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
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
)
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
, 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
));
3268 the_insn
.reloc
= R_HPPA_NONE
;
3270 if (insn
->arch
>= pa20
3271 && bfd_get_mach (stdoutput
) < insn
->arch
)
3274 /* Build the opcode, checking as we go to make
3275 sure that the operands match. */
3276 for (args
= insn
->args
;; ++args
)
3278 /* Absorb white space in instruction. */
3279 while (*s
== ' ' || *s
== '\t')
3284 /* End of arguments. */
3300 /* These must match exactly. */
3309 /* Handle a 5 bit register or control register field at 10. */
3312 if (!pa_parse_number (&s
, 0))
3315 CHECK_FIELD (num
, 31, 0, 0);
3316 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3318 /* Handle %sar or %cr11. No bits get set, we just verify that it
3321 /* Skip whitespace before register. */
3322 while (*s
== ' ' || *s
== '\t')
3325 if (!strncasecmp (s
, "%sar", 4))
3330 else if (!strncasecmp (s
, "%cr11", 5))
3337 /* Handle a 5 bit register field at 15. */
3339 if (!pa_parse_number (&s
, 0))
3342 CHECK_FIELD (num
, 31, 0, 0);
3343 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3345 /* Handle a 5 bit register field at 31. */
3347 if (!pa_parse_number (&s
, 0))
3350 CHECK_FIELD (num
, 31, 0, 0);
3351 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3353 /* Handle a 5 bit register field at 10 and 15. */
3355 if (!pa_parse_number (&s
, 0))
3358 CHECK_FIELD (num
, 31, 0, 0);
3359 opcode
|= num
<< 16;
3360 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3362 /* Handle a 5 bit field length at 31. */
3364 num
= pa_get_absolute_expression (&the_insn
, &s
);
3365 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3368 CHECK_FIELD (num
, 32, 1, 0);
3369 SAVE_IMMEDIATE(num
);
3370 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
3372 /* Handle a 5 bit immediate at 15. */
3374 num
= pa_get_absolute_expression (&the_insn
, &s
);
3375 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3378 /* When in strict mode, we want to just reject this
3379 match instead of giving an out of range error. */
3380 CHECK_FIELD (num
, 15, -16, strict
);
3381 num
= low_sign_unext (num
, 5);
3382 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3384 /* Handle a 5 bit immediate at 31. */
3386 num
= pa_get_absolute_expression (&the_insn
, &s
);
3387 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3390 /* When in strict mode, we want to just reject this
3391 match instead of giving an out of range error. */
3392 CHECK_FIELD (num
, 15, -16, strict
);
3393 num
= low_sign_unext (num
, 5);
3394 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3396 /* Handle an unsigned 5 bit immediate at 31. */
3398 num
= pa_get_absolute_expression (&the_insn
, &s
);
3399 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3402 CHECK_FIELD (num
, 31, 0, strict
);
3403 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3405 /* Handle an unsigned 5 bit immediate at 15. */
3407 num
= pa_get_absolute_expression (&the_insn
, &s
);
3408 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3411 CHECK_FIELD (num
, 31, 0, strict
);
3412 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3414 /* Handle an unsigned 10 bit immediate at 15. */
3416 num
= pa_get_absolute_expression (&the_insn
, &s
);
3417 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3420 CHECK_FIELD (num
, 1023, 0, strict
);
3421 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3423 /* Handle a 2 bit space identifier at 17. */
3425 if (!pa_parse_number (&s
, 0))
3428 CHECK_FIELD (num
, 3, 0, 1);
3429 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
3431 /* Handle a 3 bit space identifier at 18. */
3433 if (!pa_parse_number (&s
, 0))
3436 CHECK_FIELD (num
, 7, 0, 1);
3437 opcode
|= re_assemble_3 (num
);
3440 /* Handle all completers. */
3445 /* Handle a completer for an indexing load or store. */
3452 while (*s
== ',' && i
< 2)
3455 if (strncasecmp (s
, "sm", 2) == 0)
3462 else if (strncasecmp (s
, "m", 1) == 0)
3464 else if ((strncasecmp (s
, "s ", 2) == 0)
3465 || (strncasecmp (s
, "s,", 2) == 0))
3469 /* This is a match failure. */
3474 as_bad (_("Invalid Indexed Load Completer."));
3479 as_bad (_("Invalid Indexed Load Completer Syntax."));
3481 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
3484 /* Handle a short load/store completer. */
3496 if (strncasecmp (s
, "ma", 2) == 0)
3502 else if (strncasecmp (s
, "mb", 2) == 0)
3509 /* This is a match failure. */
3513 as_bad (_("Invalid Short Load/Store Completer."));
3517 /* If we did not get a ma/mb completer, then we do not
3518 consider this a positive match for 'ce'. */
3519 else if (*args
== 'e')
3522 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3523 encode the before/after field. */
3524 if (*args
== 'm' || *args
== 'M')
3527 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3529 else if (*args
== 'q')
3532 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3534 else if (*args
== 'J')
3536 /* M bit is explicit in the major opcode. */
3537 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3539 else if (*args
== 'e')
3541 /* Stash the ma/mb flag temporarily in the
3542 instruction. We will use (and remove it)
3543 later when handling 'J', 'K', '<' & '>'. */
3549 /* Handle a stbys completer. */
3556 while (*s
== ',' && i
< 2)
3559 if (strncasecmp (s
, "m", 1) == 0)
3561 else if ((strncasecmp (s
, "b ", 2) == 0)
3562 || (strncasecmp (s
, "b,", 2) == 0))
3564 else if (strncasecmp (s
, "e", 1) == 0)
3566 /* In strict mode, this is a match failure. */
3573 as_bad (_("Invalid Store Bytes Short Completer"));
3578 as_bad (_("Invalid Store Bytes Short Completer"));
3580 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3583 /* Handle load cache hint completer. */
3586 if (!strncmp (s
, ",sl", 3))
3591 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3593 /* Handle store cache hint completer. */
3596 if (!strncmp (s
, ",sl", 3))
3601 else if (!strncmp (s
, ",bc", 3))
3606 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3608 /* Handle load and clear cache hint completer. */
3611 if (!strncmp (s
, ",co", 3))
3616 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3618 /* Handle load ordering completer. */
3620 if (strncmp (s
, ",o", 2) != 0)
3625 /* Handle a branch gate completer. */
3627 if (strncasecmp (s
, ",gate", 5) != 0)
3632 /* Handle a branch link and push completer. */
3634 if (strncasecmp (s
, ",l,push", 7) != 0)
3639 /* Handle a branch link completer. */
3641 if (strncasecmp (s
, ",l", 2) != 0)
3646 /* Handle a branch pop completer. */
3648 if (strncasecmp (s
, ",pop", 4) != 0)
3653 /* Handle a local processor completer. */
3655 if (strncasecmp (s
, ",l", 2) != 0)
3660 /* Handle a PROBE read/write completer. */
3663 if (!strncasecmp (s
, ",w", 2))
3668 else if (!strncasecmp (s
, ",r", 2))
3674 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3676 /* Handle MFCTL wide completer. */
3678 if (strncasecmp (s
, ",w", 2) != 0)
3683 /* Handle an RFI restore completer. */
3686 if (!strncasecmp (s
, ",r", 2))
3692 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3694 /* Handle a system control completer. */
3696 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
3704 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3706 /* Handle intermediate/final completer for DCOR. */
3709 if (!strncasecmp (s
, ",i", 2))
3715 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3717 /* Handle zero/sign extension completer. */
3720 if (!strncasecmp (s
, ",z", 2))
3726 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3728 /* Handle add completer. */
3731 if (!strncasecmp (s
, ",l", 2))
3736 else if (!strncasecmp (s
, ",tsv", 4))
3742 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3744 /* Handle 64 bit carry for ADD. */
3747 if (!strncasecmp (s
, ",dc,tsv", 7) ||
3748 !strncasecmp (s
, ",tsv,dc", 7))
3753 else if (!strncasecmp (s
, ",dc", 3))
3761 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3763 /* Handle 32 bit carry for ADD. */
3766 if (!strncasecmp (s
, ",c,tsv", 6) ||
3767 !strncasecmp (s
, ",tsv,c", 6))
3772 else if (!strncasecmp (s
, ",c", 2))
3780 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3782 /* Handle trap on signed overflow. */
3785 if (!strncasecmp (s
, ",tsv", 4))
3791 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3793 /* Handle trap on condition and overflow. */
3796 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3797 !strncasecmp (s
, ",tsv,tc", 7))
3802 else if (!strncasecmp (s
, ",tc", 3))
3810 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3812 /* Handle 64 bit borrow for SUB. */
3815 if (!strncasecmp (s
, ",db,tsv", 7) ||
3816 !strncasecmp (s
, ",tsv,db", 7))
3821 else if (!strncasecmp (s
, ",db", 3))
3829 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3831 /* Handle 32 bit borrow for SUB. */
3834 if (!strncasecmp (s
, ",b,tsv", 6) ||
3835 !strncasecmp (s
, ",tsv,b", 6))
3840 else if (!strncasecmp (s
, ",b", 2))
3848 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3850 /* Handle trap condition completer for UADDCM. */
3853 if (!strncasecmp (s
, ",tc", 3))
3859 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3861 /* Handle signed/unsigned at 21. */
3865 if (strncasecmp (s
, ",s", 2) == 0)
3870 else if (strncasecmp (s
, ",u", 2) == 0)
3876 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3879 /* Handle left/right combination at 17:18. */
3889 as_bad (_("Invalid left/right combination completer"));
3892 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3895 as_bad (_("Invalid left/right combination completer"));
3898 /* Handle saturation at 24:25. */
3902 if (strncasecmp (s
, ",ss", 3) == 0)
3907 else if (strncasecmp (s
, ",us", 3) == 0)
3913 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3916 /* Handle permutation completer. */
3944 as_bad (_("Invalid permutation completer"));
3946 opcode
|= perm
<< permloc
[i
];
3951 as_bad (_("Invalid permutation completer"));
3959 /* Handle all conditions. */
3965 /* Handle FP compare conditions. */
3967 cond
= pa_parse_fp_cmp_cond (&s
);
3968 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3970 /* Handle an add condition. */
3973 If we are looking for 64-bit add conditions and we
3974 do not have the ",*" prefix, then we have no match. */
3985 /* 64 bit conditions. */
3997 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4001 if (strcmp (name
, "=") == 0)
4003 else if (strcmp (name
, "<") == 0)
4005 else if (strcmp (name
, "<=") == 0)
4007 else if (strcasecmp (name
, "nuv") == 0)
4009 else if (strcasecmp (name
, "znv") == 0)
4011 else if (strcasecmp (name
, "sv") == 0)
4013 else if (strcasecmp (name
, "od") == 0)
4015 else if (strcasecmp (name
, "tr") == 0)
4020 else if (strcmp (name
, "<>") == 0)
4025 else if (strcmp (name
, ">=") == 0)
4030 else if (strcmp (name
, ">") == 0)
4035 else if (strcasecmp (name
, "uv") == 0)
4040 else if (strcasecmp (name
, "vnz") == 0)
4045 else if (strcasecmp (name
, "nsv") == 0)
4050 else if (strcasecmp (name
, "ev") == 0)
4055 /* ",*" is a valid condition. */
4056 else if (*args
== 'a' || *name
)
4057 as_bad (_("Invalid Add Condition: %s"), name
);
4060 opcode
|= cmpltr
<< 13;
4061 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4063 /* Handle non-negated add and branch condition. */
4065 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4068 as_bad (_("Invalid Add and Branch Condition"));
4071 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4073 /* Handle 64 bit wide-mode add and branch condition. */
4075 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4078 as_bad (_("Invalid Add and Branch Condition"));
4083 /* Negated condition requires an opcode change. */
4084 opcode
|= (cmpltr
& 8) << 24;
4086 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4088 /* Handle a negated or non-negated add and branch
4092 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4096 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4099 as_bad (_("Invalid Compare/Subtract Condition"));
4104 /* Negated condition requires an opcode change. */
4108 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4110 /* Handle branch on bit conditions. */
4128 if (strncmp (s
, "<", 1) == 0)
4133 else if (strncmp (s
, ">=", 2) == 0)
4139 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
4141 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4143 /* Handle a compare/subtract condition. */
4152 /* 64 bit conditions. */
4164 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4168 if (strcmp (name
, "=") == 0)
4170 else if (strcmp (name
, "<") == 0)
4172 else if (strcmp (name
, "<=") == 0)
4174 else if (strcasecmp (name
, "<<") == 0)
4176 else if (strcasecmp (name
, "<<=") == 0)
4178 else if (strcasecmp (name
, "sv") == 0)
4180 else if (strcasecmp (name
, "od") == 0)
4182 else if (strcasecmp (name
, "tr") == 0)
4187 else if (strcmp (name
, "<>") == 0)
4192 else if (strcmp (name
, ">=") == 0)
4197 else if (strcmp (name
, ">") == 0)
4202 else if (strcasecmp (name
, ">>=") == 0)
4207 else if (strcasecmp (name
, ">>") == 0)
4212 else if (strcasecmp (name
, "nsv") == 0)
4217 else if (strcasecmp (name
, "ev") == 0)
4222 /* ",*" is a valid condition. */
4223 else if (*args
!= 'S' || *name
)
4224 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4228 opcode
|= cmpltr
<< 13;
4229 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4231 /* Handle a non-negated compare condition. */
4233 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4236 as_bad (_("Invalid Compare/Subtract Condition"));
4239 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4241 /* Handle a 32 bit compare and branch condition. */
4244 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4248 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4251 as_bad (_("Invalid Compare and Branch Condition"));
4256 /* Negated condition requires an opcode change. */
4261 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4263 /* Handle a 64 bit compare and branch condition. */
4265 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4268 /* Negated condition requires an opcode change. */
4269 opcode
|= (cmpltr
& 8) << 26;
4272 /* Not a 64 bit cond. Give 32 bit a chance. */
4275 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4277 /* Handle a 64 bit cmpib condition. */
4279 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4281 /* Not a 64 bit cond. Give 32 bit a chance. */
4284 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4286 /* Handle a logical instruction condition. */
4295 /* 64 bit conditions. */
4307 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4312 if (strcmp (name
, "=") == 0)
4314 else if (strcmp (name
, "<") == 0)
4316 else if (strcmp (name
, "<=") == 0)
4318 else if (strcasecmp (name
, "od") == 0)
4320 else if (strcasecmp (name
, "tr") == 0)
4325 else if (strcmp (name
, "<>") == 0)
4330 else if (strcmp (name
, ">=") == 0)
4335 else if (strcmp (name
, ">") == 0)
4340 else if (strcasecmp (name
, "ev") == 0)
4345 /* ",*" is a valid condition. */
4346 else if (*args
!= 'L' || *name
)
4347 as_bad (_("Invalid Logical Instruction Condition."));
4350 opcode
|= cmpltr
<< 13;
4351 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4353 /* Handle a shift/extract/deposit condition. */
4358 /* Check immediate values in shift/extract/deposit
4359 * instructions if they will give undefined behaviour. */
4360 immediate_check
= 1;
4365 /* 64 bit conditions. */
4377 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4381 if (strcmp (name
, "=") == 0)
4383 else if (strcmp (name
, "<") == 0)
4385 else if (strcasecmp (name
, "od") == 0)
4387 else if (strcasecmp (name
, "tr") == 0)
4389 else if (strcmp (name
, "<>") == 0)
4391 else if (strcmp (name
, ">=") == 0)
4393 else if (strcasecmp (name
, "ev") == 0)
4395 /* Handle movb,n. Put things back the way they were.
4396 This includes moving s back to where it started. */
4397 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4403 /* ",*" is a valid condition. */
4404 else if (*args
!= 'X' || *name
)
4405 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4408 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4410 /* Handle a unit instruction condition. */
4419 /* 64 bit conditions. */
4430 if (strncasecmp (s
, "sbz", 3) == 0)
4435 else if (strncasecmp (s
, "shz", 3) == 0)
4440 else if (strncasecmp (s
, "sdc", 3) == 0)
4445 else if (strncasecmp (s
, "sbc", 3) == 0)
4450 else if (strncasecmp (s
, "shc", 3) == 0)
4455 else if (strncasecmp (s
, "tr", 2) == 0)
4461 else if (strncasecmp (s
, "nbz", 3) == 0)
4467 else if (strncasecmp (s
, "nhz", 3) == 0)
4473 else if (strncasecmp (s
, "ndc", 3) == 0)
4479 else if (strncasecmp (s
, "nbc", 3) == 0)
4485 else if (strncasecmp (s
, "nhc", 3) == 0)
4491 else if (strncasecmp (s
, "swz", 3) == 0)
4497 else if (strncasecmp (s
, "swc", 3) == 0)
4503 else if (strncasecmp (s
, "nwz", 3) == 0)
4509 else if (strncasecmp (s
, "nwc", 3) == 0)
4515 /* ",*" is a valid condition. */
4516 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4517 as_bad (_("Invalid Unit Instruction Condition."));
4519 opcode
|= cmpltr
<< 13;
4520 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4528 /* Handle a nullification completer for branch instructions. */
4530 nullif
= pa_parse_nullif (&s
);
4531 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4533 /* Handle a nullification completer for copr and spop insns. */
4535 nullif
= pa_parse_nullif (&s
);
4536 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4538 /* Handle ,%r2 completer for new syntax branches. */
4540 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4542 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4548 /* Handle 3 bit entry into the fp compare array. Valid values
4549 are 0..6 inclusive. */
4553 if (the_insn
.exp
.X_op
== O_constant
)
4555 num
= evaluate_absolute (&the_insn
);
4556 CHECK_FIELD (num
, 6, 0, 0);
4558 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4563 /* Handle 3 bit entry into the fp compare array. Valid values
4564 are 0..6 inclusive. */
4567 if (the_insn
.exp
.X_op
== O_constant
)
4570 num
= evaluate_absolute (&the_insn
);
4571 CHECK_FIELD (num
, 6, 0, 0);
4572 num
= (num
+ 1) ^ 1;
4573 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4578 /* Handle graphics test completers for ftest */
4581 num
= pa_parse_ftest_gfx_completer (&s
);
4582 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4585 /* Handle a 11 bit immediate at 31. */
4587 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4590 if (the_insn
.exp
.X_op
== O_constant
)
4592 num
= evaluate_absolute (&the_insn
);
4593 CHECK_FIELD (num
, 1023, -1024, 0);
4594 num
= low_sign_unext (num
, 11);
4595 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4599 if (is_DP_relative (the_insn
.exp
))
4600 the_insn
.reloc
= R_HPPA_GOTOFF
;
4601 else if (is_PC_relative (the_insn
.exp
))
4602 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4604 else if (is_tls_gdidx (the_insn
.exp
))
4605 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4606 else if (is_tls_ldidx (the_insn
.exp
))
4607 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4608 else if (is_tls_dtpoff (the_insn
.exp
))
4609 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4610 else if (is_tls_ieoff (the_insn
.exp
))
4611 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4612 else if (is_tls_leoff (the_insn
.exp
))
4613 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4616 the_insn
.reloc
= R_HPPA
;
4617 the_insn
.format
= 11;
4621 /* Handle a 14 bit immediate at 31. */
4623 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4626 if (the_insn
.exp
.X_op
== O_constant
)
4630 /* XXX the completer stored away tidbits of information
4631 for us to extract. We need a cleaner way to do this.
4632 Now that we have lots of letters again, it would be
4633 good to rethink this. */
4636 num
= evaluate_absolute (&the_insn
);
4637 if (mb
!= (num
< 0))
4639 CHECK_FIELD (num
, 8191, -8192, 0);
4640 num
= low_sign_unext (num
, 14);
4641 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4645 /* Handle a 14 bit immediate at 31. */
4647 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4650 if (the_insn
.exp
.X_op
== O_constant
)
4656 num
= evaluate_absolute (&the_insn
);
4657 if (mb
== (num
< 0))
4661 CHECK_FIELD (num
, 8191, -8192, 0);
4662 num
= low_sign_unext (num
, 14);
4663 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4667 /* Handle a 16 bit immediate at 31. */
4669 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4672 if (the_insn
.exp
.X_op
== O_constant
)
4678 num
= evaluate_absolute (&the_insn
);
4679 if (mb
!= (num
< 0))
4681 CHECK_FIELD (num
, 32767, -32768, 0);
4682 num
= re_assemble_16 (num
);
4683 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4687 /* Handle a 16 bit immediate at 31. */
4689 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4692 if (the_insn
.exp
.X_op
== O_constant
)
4698 num
= evaluate_absolute (&the_insn
);
4699 if (mb
== (num
< 0))
4703 CHECK_FIELD (num
, 32767, -32768, 0);
4704 num
= re_assemble_16 (num
);
4705 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4709 /* Handle 14 bit immediate, shifted left three times. */
4711 if (bfd_get_mach (stdoutput
) != pa20
)
4713 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4716 if (the_insn
.exp
.X_op
== O_constant
)
4718 num
= evaluate_absolute (&the_insn
);
4721 CHECK_FIELD (num
, 8191, -8192, 0);
4726 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4730 if (is_DP_relative (the_insn
.exp
))
4731 the_insn
.reloc
= R_HPPA_GOTOFF
;
4732 else if (is_PC_relative (the_insn
.exp
))
4733 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4735 else if (is_tls_gdidx (the_insn
.exp
))
4736 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4737 else if (is_tls_ldidx (the_insn
.exp
))
4738 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4739 else if (is_tls_dtpoff (the_insn
.exp
))
4740 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4741 else if (is_tls_ieoff (the_insn
.exp
))
4742 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4743 else if (is_tls_leoff (the_insn
.exp
))
4744 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4747 the_insn
.reloc
= R_HPPA
;
4748 the_insn
.format
= 14;
4753 /* Handle 14 bit immediate, shifted left twice. */
4755 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4758 if (the_insn
.exp
.X_op
== O_constant
)
4760 num
= evaluate_absolute (&the_insn
);
4763 CHECK_FIELD (num
, 8191, -8192, 0);
4768 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4772 if (is_DP_relative (the_insn
.exp
))
4773 the_insn
.reloc
= R_HPPA_GOTOFF
;
4774 else if (is_PC_relative (the_insn
.exp
))
4775 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4777 else if (is_tls_gdidx (the_insn
.exp
))
4778 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4779 else if (is_tls_ldidx (the_insn
.exp
))
4780 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4781 else if (is_tls_dtpoff (the_insn
.exp
))
4782 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4783 else if (is_tls_ieoff (the_insn
.exp
))
4784 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4785 else if (is_tls_leoff (the_insn
.exp
))
4786 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4789 the_insn
.reloc
= R_HPPA
;
4790 the_insn
.format
= 14;
4794 /* Handle a 14 bit immediate at 31. */
4796 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4799 if (the_insn
.exp
.X_op
== O_constant
)
4801 num
= evaluate_absolute (&the_insn
);
4802 CHECK_FIELD (num
, 8191, -8192, 0);
4803 num
= low_sign_unext (num
, 14);
4804 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4808 if (is_DP_relative (the_insn
.exp
))
4809 the_insn
.reloc
= R_HPPA_GOTOFF
;
4810 else if (is_PC_relative (the_insn
.exp
))
4811 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4813 else if (is_tls_gdidx (the_insn
.exp
))
4814 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4815 else if (is_tls_ldidx (the_insn
.exp
))
4816 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4817 else if (is_tls_dtpoff (the_insn
.exp
))
4818 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4819 else if (is_tls_ieoff (the_insn
.exp
))
4820 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4821 else if (is_tls_leoff (the_insn
.exp
))
4822 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4825 the_insn
.reloc
= R_HPPA
;
4826 the_insn
.format
= 14;
4830 /* Handle a 21 bit immediate at 31. */
4832 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4835 if (the_insn
.exp
.X_op
== O_constant
)
4837 num
= evaluate_absolute (&the_insn
);
4838 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4839 opcode
|= re_assemble_21 (num
);
4844 if (is_DP_relative (the_insn
.exp
))
4845 the_insn
.reloc
= R_HPPA_GOTOFF
;
4846 else if (is_PC_relative (the_insn
.exp
))
4847 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4849 else if (is_tls_gdidx (the_insn
.exp
))
4850 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4851 else if (is_tls_ldidx (the_insn
.exp
))
4852 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4853 else if (is_tls_dtpoff (the_insn
.exp
))
4854 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4855 else if (is_tls_ieoff (the_insn
.exp
))
4856 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4857 else if (is_tls_leoff (the_insn
.exp
))
4858 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4861 the_insn
.reloc
= R_HPPA
;
4862 the_insn
.format
= 21;
4866 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4868 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4871 if (the_insn
.exp
.X_op
== O_constant
)
4873 num
= evaluate_absolute (&the_insn
);
4874 CHECK_FIELD (num
, 32767, -32768, 0);
4875 opcode
|= re_assemble_16 (num
);
4880 /* ??? Is this valid for wide mode? */
4881 if (is_DP_relative (the_insn
.exp
))
4882 the_insn
.reloc
= R_HPPA_GOTOFF
;
4883 else if (is_PC_relative (the_insn
.exp
))
4884 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4886 else if (is_tls_gdidx (the_insn
.exp
))
4887 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4888 else if (is_tls_ldidx (the_insn
.exp
))
4889 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4890 else if (is_tls_dtpoff (the_insn
.exp
))
4891 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4892 else if (is_tls_ieoff (the_insn
.exp
))
4893 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4894 else if (is_tls_leoff (the_insn
.exp
))
4895 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4898 the_insn
.reloc
= R_HPPA
;
4899 the_insn
.format
= 14;
4903 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4905 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4908 if (the_insn
.exp
.X_op
== O_constant
)
4910 num
= evaluate_absolute (&the_insn
);
4911 CHECK_FIELD (num
, 32767, -32768, 0);
4912 CHECK_ALIGN (num
, 4, 0);
4913 opcode
|= re_assemble_16 (num
);
4918 /* ??? Is this valid for wide mode? */
4919 if (is_DP_relative (the_insn
.exp
))
4920 the_insn
.reloc
= R_HPPA_GOTOFF
;
4921 else if (is_PC_relative (the_insn
.exp
))
4922 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4924 else if (is_tls_gdidx (the_insn
.exp
))
4925 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4926 else if (is_tls_ldidx (the_insn
.exp
))
4927 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4928 else if (is_tls_dtpoff (the_insn
.exp
))
4929 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4930 else if (is_tls_ieoff (the_insn
.exp
))
4931 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4932 else if (is_tls_leoff (the_insn
.exp
))
4933 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4936 the_insn
.reloc
= R_HPPA
;
4937 the_insn
.format
= 14;
4941 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4943 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4946 if (the_insn
.exp
.X_op
== O_constant
)
4948 num
= evaluate_absolute (&the_insn
);
4949 CHECK_FIELD (num
, 32767, -32768, 0);
4950 CHECK_ALIGN (num
, 8, 0);
4951 opcode
|= re_assemble_16 (num
);
4956 /* ??? Is this valid for wide mode? */
4957 if (is_DP_relative (the_insn
.exp
))
4958 the_insn
.reloc
= R_HPPA_GOTOFF
;
4959 else if (is_PC_relative (the_insn
.exp
))
4960 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4962 else if (is_tls_gdidx (the_insn
.exp
))
4963 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4964 else if (is_tls_ldidx (the_insn
.exp
))
4965 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4966 else if (is_tls_dtpoff (the_insn
.exp
))
4967 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4968 else if (is_tls_ieoff (the_insn
.exp
))
4969 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4970 else if (is_tls_leoff (the_insn
.exp
))
4971 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4974 the_insn
.reloc
= R_HPPA
;
4975 the_insn
.format
= 14;
4979 /* Handle a 12 bit branch displacement. */
4981 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4985 if (!the_insn
.exp
.X_add_symbol
4986 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
4989 num
= evaluate_absolute (&the_insn
);
4992 as_bad (_("Branch to unaligned address"));
4995 if (the_insn
.exp
.X_add_symbol
)
4997 CHECK_FIELD (num
, 8191, -8192, 0);
4998 opcode
|= re_assemble_12 (num
>> 2);
5003 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5004 the_insn
.format
= 12;
5005 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5006 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5011 /* Handle a 17 bit branch displacement. */
5013 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5017 if (!the_insn
.exp
.X_add_symbol
5018 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5021 num
= evaluate_absolute (&the_insn
);
5024 as_bad (_("Branch to unaligned address"));
5027 if (the_insn
.exp
.X_add_symbol
)
5029 CHECK_FIELD (num
, 262143, -262144, 0);
5030 opcode
|= re_assemble_17 (num
>> 2);
5035 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5036 the_insn
.format
= 17;
5037 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5038 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5042 /* Handle a 22 bit branch displacement. */
5044 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5048 if (!the_insn
.exp
.X_add_symbol
5049 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5052 num
= evaluate_absolute (&the_insn
);
5055 as_bad (_("Branch to unaligned address"));
5058 if (the_insn
.exp
.X_add_symbol
)
5060 CHECK_FIELD (num
, 8388607, -8388608, 0);
5061 opcode
|= re_assemble_22 (num
>> 2);
5065 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5066 the_insn
.format
= 22;
5067 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5068 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5072 /* Handle an absolute 17 bit branch target. */
5074 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5078 if (!the_insn
.exp
.X_add_symbol
5079 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5082 num
= evaluate_absolute (&the_insn
);
5085 as_bad (_("Branch to unaligned address"));
5088 if (the_insn
.exp
.X_add_symbol
)
5090 CHECK_FIELD (num
, 262143, -262144, 0);
5091 opcode
|= re_assemble_17 (num
>> 2);
5096 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5097 the_insn
.format
= 17;
5098 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5099 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5103 /* Handle '%r1' implicit operand of addil instruction. */
5105 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5106 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5114 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5116 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5121 /* Handle immediate value of 0 for ordered load/store instructions. */
5128 /* Handle a 2 bit shift count at 25. */
5130 num
= pa_get_absolute_expression (&the_insn
, &s
);
5131 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5134 CHECK_FIELD (num
, 3, 1, strict
);
5135 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5137 /* Handle a 4 bit shift count at 25. */
5139 num
= pa_get_absolute_expression (&the_insn
, &s
);
5140 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5143 CHECK_FIELD (num
, 15, 0, strict
);
5144 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5146 /* Handle a 5 bit shift count at 26. */
5148 num
= pa_get_absolute_expression (&the_insn
, &s
);
5149 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5152 CHECK_FIELD (num
, 31, 0, strict
);
5153 SAVE_IMMEDIATE(num
);
5154 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5156 /* Handle a 6 bit shift count at 20,22:26. */
5158 num
= pa_get_absolute_expression (&the_insn
, &s
);
5159 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5162 CHECK_FIELD (num
, 63, 0, strict
);
5163 SAVE_IMMEDIATE(num
);
5165 opcode
|= (num
& 0x20) << 6;
5166 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5168 /* Handle a 6 bit field length at 23,27:31. */
5171 num
= pa_get_absolute_expression (&the_insn
, &s
);
5172 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5175 CHECK_FIELD (num
, 64, 1, strict
);
5176 SAVE_IMMEDIATE(num
);
5178 opcode
|= (num
& 0x20) << 3;
5179 num
= 31 - (num
& 0x1f);
5180 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5182 /* Handle a 6 bit field length at 19,27:31. */
5184 num
= pa_get_absolute_expression (&the_insn
, &s
);
5185 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5188 CHECK_FIELD (num
, 64, 1, strict
);
5189 SAVE_IMMEDIATE(num
);
5191 opcode
|= (num
& 0x20) << 7;
5192 num
= 31 - (num
& 0x1f);
5193 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5195 /* Handle a 5 bit bit position at 26. */
5197 num
= pa_get_absolute_expression (&the_insn
, &s
);
5198 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5201 CHECK_FIELD (num
, 31, 0, strict
);
5202 SAVE_IMMEDIATE(num
);
5203 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5205 /* Handle a 6 bit bit position at 20,22:26. */
5207 num
= pa_get_absolute_expression (&the_insn
, &s
);
5208 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5211 CHECK_FIELD (num
, 63, 0, strict
);
5212 SAVE_IMMEDIATE(num
);
5213 opcode
|= (num
& 0x20) << 6;
5214 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5216 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5217 of the high bit of the immediate. */
5219 num
= pa_get_absolute_expression (&the_insn
, &s
);
5220 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5223 CHECK_FIELD (num
, 63, 0, strict
);
5227 opcode
|= (1 << 13);
5228 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5230 /* Handle a 5 bit immediate at 10. */
5232 num
= pa_get_absolute_expression (&the_insn
, &s
);
5233 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5236 CHECK_FIELD (num
, 31, 0, strict
);
5237 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5239 /* Handle a 9 bit immediate at 28. */
5241 num
= pa_get_absolute_expression (&the_insn
, &s
);
5242 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5245 CHECK_FIELD (num
, 511, 1, strict
);
5246 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5248 /* Handle a 13 bit immediate at 18. */
5250 num
= pa_get_absolute_expression (&the_insn
, &s
);
5251 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5254 CHECK_FIELD (num
, 8191, 0, strict
);
5255 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5257 /* Handle a 26 bit immediate at 31. */
5259 num
= pa_get_absolute_expression (&the_insn
, &s
);
5260 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5263 CHECK_FIELD (num
, 67108863, 0, strict
);
5264 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5266 /* Handle a 3 bit SFU identifier at 25. */
5269 as_bad (_("Invalid SFU identifier"));
5270 num
= pa_get_absolute_expression (&the_insn
, &s
);
5271 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5274 CHECK_FIELD (num
, 7, 0, strict
);
5275 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5277 /* Handle a 20 bit SOP field for spop0. */
5279 num
= pa_get_absolute_expression (&the_insn
, &s
);
5280 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5283 CHECK_FIELD (num
, 1048575, 0, strict
);
5284 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5285 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5287 /* Handle a 15bit SOP field for spop1. */
5289 num
= pa_get_absolute_expression (&the_insn
, &s
);
5290 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5293 CHECK_FIELD (num
, 32767, 0, strict
);
5294 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5296 /* Handle a 10bit SOP field for spop3. */
5298 num
= pa_get_absolute_expression (&the_insn
, &s
);
5299 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5302 CHECK_FIELD (num
, 1023, 0, strict
);
5303 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5304 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5306 /* Handle a 15 bit SOP field for spop2. */
5308 num
= pa_get_absolute_expression (&the_insn
, &s
);
5309 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5312 CHECK_FIELD (num
, 32767, 0, strict
);
5313 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5314 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5316 /* Handle a 3-bit co-processor ID field. */
5319 as_bad (_("Invalid COPR identifier"));
5320 num
= pa_get_absolute_expression (&the_insn
, &s
);
5321 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5324 CHECK_FIELD (num
, 7, 0, strict
);
5325 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5327 /* Handle a 22bit SOP field for copr. */
5329 num
= pa_get_absolute_expression (&the_insn
, &s
);
5330 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5333 CHECK_FIELD (num
, 4194303, 0, strict
);
5334 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5335 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5337 /* Handle a source FP operand format completer. */
5339 if (*s
== ',' && *(s
+1) == 't')
5346 flag
= pa_parse_fp_cnv_format (&s
);
5347 the_insn
.fpof1
= flag
;
5348 if (flag
== W
|| flag
== UW
)
5350 if (flag
== DW
|| flag
== UDW
)
5352 if (flag
== QW
|| flag
== UQW
)
5354 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5356 /* Handle a destination FP operand format completer. */
5358 /* pa_parse_format needs the ',' prefix. */
5360 flag
= pa_parse_fp_cnv_format (&s
);
5361 the_insn
.fpof2
= flag
;
5362 if (flag
== W
|| flag
== UW
)
5364 if (flag
== DW
|| flag
== UDW
)
5366 if (flag
== QW
|| flag
== UQW
)
5368 opcode
|= flag
<< 13;
5369 if (the_insn
.fpof1
== SGL
5370 || the_insn
.fpof1
== DBL
5371 || the_insn
.fpof1
== QUAD
)
5373 if (the_insn
.fpof2
== SGL
5374 || the_insn
.fpof2
== DBL
5375 || the_insn
.fpof2
== QUAD
)
5377 else if (the_insn
.fpof2
== W
5378 || the_insn
.fpof2
== DW
5379 || the_insn
.fpof2
== QW
)
5381 else if (the_insn
.fpof2
== UW
5382 || the_insn
.fpof2
== UDW
5383 || the_insn
.fpof2
== UQW
)
5388 else if (the_insn
.fpof1
== W
5389 || the_insn
.fpof1
== DW
5390 || the_insn
.fpof1
== QW
)
5392 if (the_insn
.fpof2
== SGL
5393 || the_insn
.fpof2
== DBL
5394 || the_insn
.fpof2
== QUAD
)
5399 else if (the_insn
.fpof1
== UW
5400 || the_insn
.fpof1
== UDW
5401 || the_insn
.fpof1
== UQW
)
5403 if (the_insn
.fpof2
== SGL
5404 || the_insn
.fpof2
== DBL
5405 || the_insn
.fpof2
== QUAD
)
5410 flag
|= the_insn
.trunc
;
5411 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5413 /* Handle a source FP operand format completer. */
5415 flag
= pa_parse_fp_format (&s
);
5416 the_insn
.fpof1
= flag
;
5417 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5419 /* Handle a destination FP operand format completer. */
5421 /* pa_parse_format needs the ',' prefix. */
5423 flag
= pa_parse_fp_format (&s
);
5424 the_insn
.fpof2
= flag
;
5425 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5427 /* Handle a source FP operand format completer at 20. */
5429 flag
= pa_parse_fp_format (&s
);
5430 the_insn
.fpof1
= flag
;
5431 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5433 /* Handle a floating point operand format at 26.
5434 Only allows single and double precision. */
5436 flag
= pa_parse_fp_format (&s
);
5442 the_insn
.fpof1
= flag
;
5448 as_bad (_("Invalid Floating Point Operand Format."));
5452 /* Handle all floating point registers. */
5456 /* Float target register. */
5458 if (!pa_parse_number (&s
, 3))
5460 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5461 CHECK_FIELD (num
, 31, 0, 0);
5462 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5464 /* Float target register with L/R selection. */
5467 if (!pa_parse_number (&s
, 1))
5469 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5470 CHECK_FIELD (num
, 31, 0, 0);
5473 /* 0x30 opcodes are FP arithmetic operation opcodes
5474 and need to be turned into 0x38 opcodes. This
5475 is not necessary for loads/stores. */
5476 if (need_pa11_opcode ()
5477 && ((opcode
& 0xfc000000) == 0x30000000))
5480 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5484 /* Float operand 1. */
5487 if (!pa_parse_number (&s
, 1))
5489 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5490 CHECK_FIELD (num
, 31, 0, 0);
5491 opcode
|= num
<< 21;
5492 if (need_pa11_opcode ())
5494 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5500 /* Float operand 1 with L/R selection. */
5504 if (!pa_parse_number (&s
, 1))
5506 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5507 CHECK_FIELD (num
, 31, 0, 0);
5508 opcode
|= num
<< 21;
5509 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5513 /* Float operand 2. */
5516 if (!pa_parse_number (&s
, 1))
5518 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5519 CHECK_FIELD (num
, 31, 0, 0);
5520 opcode
|= num
<< 16;
5521 if (need_pa11_opcode ())
5523 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5529 /* Float operand 2 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
<< 16;
5537 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5541 /* Float operand 3 for fmpyfadd, fmpynfadd. */
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
& 0x1c) << 11;
5549 opcode
|= (num
& 0x03) << 9;
5550 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5554 /* Float mult operand 1 for fmpyadd, fmpysub */
5557 if (!pa_parse_number (&s
, 1))
5559 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5560 CHECK_FIELD (num
, 31, 0, 0);
5561 if (the_insn
.fpof1
== SGL
)
5565 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5569 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5571 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5574 /* Float mult operand 2 for fmpyadd, fmpysub */
5577 if (!pa_parse_number (&s
, 1))
5579 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5580 CHECK_FIELD (num
, 31, 0, 0);
5581 if (the_insn
.fpof1
== SGL
)
5585 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5589 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5591 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5594 /* Float mult target for fmpyadd, fmpysub */
5597 if (!pa_parse_number (&s
, 1))
5599 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5600 CHECK_FIELD (num
, 31, 0, 0);
5601 if (the_insn
.fpof1
== SGL
)
5605 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5609 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5611 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5614 /* Float add operand 1 for fmpyadd, fmpysub */
5617 if (!pa_parse_number (&s
, 1))
5619 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5620 CHECK_FIELD (num
, 31, 0, 0);
5621 if (the_insn
.fpof1
== SGL
)
5625 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5629 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5631 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5634 /* Float add target for fmpyadd, fmpysub */
5637 if (!pa_parse_number (&s
, 1))
5639 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5640 CHECK_FIELD (num
, 31, 0, 0);
5641 if (the_insn
.fpof1
== SGL
)
5645 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5649 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5651 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5654 /* Handle L/R register halves like 'x'. */
5658 if (!pa_parse_number (&s
, 1))
5660 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5661 CHECK_FIELD (num
, 31, 0, 0);
5662 opcode
|= num
<< 16;
5663 if (need_pa11_opcode ())
5665 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5670 /* Float target register (PA 2.0 wide). */
5672 if (!pa_parse_number (&s
, 3))
5674 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5675 CHECK_FIELD (num
, 31, 0, 0);
5676 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5689 /* If this instruction is specific to a particular architecture,
5690 then set a new architecture. This automatic promotion crud is
5691 for compatibility with HP's old assemblers only. */
5693 && bfd_get_mach (stdoutput
) < insn
->arch
5694 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5696 as_warn (_("could not update architecture and machine"));
5701 /* Check if the args matched. */
5704 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5705 && !strcmp (insn
->name
, insn
[1].name
))
5713 as_bad (_("Invalid operands %s"), error_message
);
5720 if (immediate_check
)
5722 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5723 as_warn (_("Immediates %d and %d will give undefined behavior."),
5727 the_insn
.opcode
= opcode
;
5730 /* Assemble a single instruction storing it into a frag. */
5733 md_assemble (char *str
)
5737 /* The had better be something to assemble. */
5740 /* If we are within a procedure definition, make sure we've
5741 defined a label for the procedure; handle case where the
5742 label was defined after the .PROC directive.
5744 Note there's not need to diddle with the segment or fragment
5745 for the label symbol in this case. We have already switched
5746 into the new $CODE$ subspace at this point. */
5747 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5749 label_symbol_struct
*label_symbol
= pa_get_label ();
5753 if (label_symbol
->lss_label
)
5755 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5756 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5759 /* Also handle allocation of a fixup to hold the unwind
5760 information when the label appears after the proc/procend. */
5761 if (within_entry_exit
)
5766 where
= frag_more (0);
5767 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5768 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5769 NULL
, (offsetT
) 0, NULL
,
5770 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5775 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5778 as_bad (_("Missing function name for .PROC"));
5781 /* Assemble the instruction. Results are saved into "the_insn". */
5784 /* Get somewhere to put the assembled instruction. */
5787 /* Output the opcode. */
5788 md_number_to_chars (to
, the_insn
.opcode
, 4);
5790 /* If necessary output more stuff. */
5791 if (the_insn
.reloc
!= R_HPPA_NONE
)
5792 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5793 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5794 the_insn
.reloc
, the_insn
.field_selector
,
5795 the_insn
.format
, the_insn
.arg_reloc
, 0);
5798 dwarf2_emit_insn (4);
5803 /* Handle an alignment directive. Special so that we can update the
5804 alignment of the subspace if necessary. */
5806 pa_align (int bytes
)
5808 /* We must have a valid space and subspace. */
5809 pa_check_current_space_and_subspace ();
5811 /* Let the generic gas code do most of the work. */
5812 s_align_bytes (bytes
);
5814 /* If bytes is a power of 2, then update the current subspace's
5815 alignment if necessary. */
5816 if (exact_log2 (bytes
) != -1)
5817 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5821 /* Handle a .BLOCK type pseudo-op. */
5824 pa_block (int z ATTRIBUTE_UNUSED
)
5826 unsigned int temp_size
;
5829 /* We must have a valid space and subspace. */
5830 pa_check_current_space_and_subspace ();
5833 temp_size
= get_absolute_expression ();
5835 if (temp_size
> 0x3FFFFFFF)
5837 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5842 /* Always fill with zeros, that's what the HP assembler does. */
5843 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5847 pa_undefine_label ();
5848 demand_empty_rest_of_line ();
5851 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5854 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5858 /* The BRTAB relocations are only available in SOM (to denote
5859 the beginning and end of branch tables). */
5860 char *where
= frag_more (0);
5862 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5863 NULL
, (offsetT
) 0, NULL
,
5864 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5868 demand_empty_rest_of_line ();
5871 /* Handle a .begin_try and .end_try pseudo-op. */
5874 pa_try (int begin ATTRIBUTE_UNUSED
)
5878 char *where
= frag_more (0);
5883 /* The TRY relocations are only available in SOM (to denote
5884 the beginning and end of exception handling regions). */
5886 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5887 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5888 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5892 demand_empty_rest_of_line ();
5895 /* Do the dirty work of building a call descriptor which describes
5896 where the caller placed arguments to a function call. */
5899 pa_call_args (struct call_desc
*call_desc
)
5902 unsigned int temp
, arg_reloc
;
5904 while (!is_end_of_statement ())
5906 name
= input_line_pointer
;
5907 c
= get_symbol_end ();
5908 /* Process a source argument. */
5909 if ((strncasecmp (name
, "argw", 4) == 0))
5911 temp
= atoi (name
+ 4);
5912 p
= input_line_pointer
;
5914 input_line_pointer
++;
5915 name
= input_line_pointer
;
5916 c
= get_symbol_end ();
5917 arg_reloc
= pa_build_arg_reloc (name
);
5918 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5920 /* Process a return value. */
5921 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5923 p
= input_line_pointer
;
5925 input_line_pointer
++;
5926 name
= input_line_pointer
;
5927 c
= get_symbol_end ();
5928 arg_reloc
= pa_build_arg_reloc (name
);
5929 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5933 as_bad (_("Invalid .CALL argument: %s"), name
);
5935 p
= input_line_pointer
;
5937 if (!is_end_of_statement ())
5938 input_line_pointer
++;
5942 /* Handle a .CALL pseudo-op. This involves storing away information
5943 about where arguments are to be found so the linker can detect
5944 (and correct) argument location mismatches between caller and callee. */
5947 pa_call (int unused ATTRIBUTE_UNUSED
)
5950 /* We must have a valid space and subspace. */
5951 pa_check_current_space_and_subspace ();
5954 pa_call_args (&last_call_desc
);
5955 demand_empty_rest_of_line ();
5959 /* Build an entry in the UNWIND subspace from the given function
5960 attributes in CALL_INFO. This is not needed for SOM as using
5961 R_ENTRY and R_EXIT relocations allow the linker to handle building
5962 of the unwind spaces. */
5965 pa_build_unwind_subspace (struct call_info
*call_info
)
5967 asection
*seg
, *save_seg
;
5968 subsegT save_subseg
;
5969 unsigned int unwind
;
5974 if ((bfd_get_section_flags (stdoutput
, now_seg
)
5975 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5976 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5979 if (call_info
->start_symbol
== NULL
)
5980 /* This can happen if there were errors earlier on in the assembly. */
5983 /* Replace the start symbol with a local symbol that will be reduced
5984 to a section offset. This avoids problems with weak functions with
5985 multiple definitions, etc. */
5986 name
= xmalloc (strlen ("L$\001start_")
5987 + strlen (S_GET_NAME (call_info
->start_symbol
))
5989 strcpy (name
, "L$\001start_");
5990 strcat (name
, S_GET_NAME (call_info
->start_symbol
));
5992 /* If we have a .procend preceded by a .exit, then the symbol will have
5993 already been defined. In that case, we don't want another unwind
5995 symbolP
= symbol_find (name
);
6003 symbolP
= symbol_new (name
, now_seg
,
6004 S_GET_VALUE (call_info
->start_symbol
), frag_now
);
6005 gas_assert (symbolP
);
6006 S_CLEAR_EXTERNAL (symbolP
);
6007 symbol_table_insert (symbolP
);
6010 reloc
= R_PARISC_SEGREL32
;
6012 save_subseg
= now_subseg
;
6013 /* Get into the right seg/subseg. This may involve creating
6014 the seg the first time through. Make sure to have the
6015 old seg/subseg so that we can reset things when we are done. */
6016 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6017 if (seg
== ASEC_NULL
)
6019 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6020 bfd_set_section_flags (stdoutput
, seg
,
6021 SEC_READONLY
| SEC_HAS_CONTENTS
6022 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6023 bfd_set_section_alignment (stdoutput
, seg
, 2);
6026 subseg_set (seg
, 0);
6028 /* Get some space to hold relocation information for the unwind
6032 /* Relocation info. for start offset of the function. */
6033 md_number_to_chars (p
, 0, 4);
6034 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6035 symbolP
, (offsetT
) 0,
6036 (expressionS
*) NULL
, 0, reloc
,
6039 /* Relocation info. for end offset of the function.
6041 Because we allow reductions of 32bit relocations for ELF, this will be
6042 reduced to section_sym + offset which avoids putting the temporary
6043 symbol into the symbol table. It (should) end up giving the same
6044 value as call_info->start_symbol + function size once the linker is
6045 finished with its work. */
6046 md_number_to_chars (p
+ 4, 0, 4);
6047 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6048 call_info
->end_symbol
, (offsetT
) 0,
6049 (expressionS
*) NULL
, 0, reloc
,
6052 /* Dump the descriptor. */
6053 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6054 md_number_to_chars (p
+ 8, unwind
, 4);
6056 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6057 md_number_to_chars (p
+ 12, unwind
, 4);
6059 /* Return back to the original segment/subsegment. */
6060 subseg_set (save_seg
, save_subseg
);
6064 /* Process a .CALLINFO pseudo-op. This information is used later
6065 to build unwind descriptors and maybe one day to support
6066 .ENTER and .LEAVE. */
6069 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6075 /* We must have a valid space and subspace. */
6076 pa_check_current_space_and_subspace ();
6079 /* .CALLINFO must appear within a procedure definition. */
6080 if (!within_procedure
)
6081 as_bad (_(".callinfo is not within a procedure definition"));
6083 /* Mark the fact that we found the .CALLINFO for the
6084 current procedure. */
6085 callinfo_found
= TRUE
;
6087 /* Iterate over the .CALLINFO arguments. */
6088 while (!is_end_of_statement ())
6090 name
= input_line_pointer
;
6091 c
= get_symbol_end ();
6092 /* Frame size specification. */
6093 if ((strncasecmp (name
, "frame", 5) == 0))
6095 p
= input_line_pointer
;
6097 input_line_pointer
++;
6098 temp
= get_absolute_expression ();
6099 if ((temp
& 0x3) != 0)
6101 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6105 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6106 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6109 /* Entry register (GR, GR and SR) specifications. */
6110 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6112 p
= input_line_pointer
;
6114 input_line_pointer
++;
6115 temp
= get_absolute_expression ();
6116 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6117 even though %r19 is caller saved. I think this is a bug in
6118 the HP assembler, and we are not going to emulate it. */
6119 if (temp
< 3 || temp
> 18)
6120 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6121 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6123 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6125 p
= input_line_pointer
;
6127 input_line_pointer
++;
6128 temp
= get_absolute_expression ();
6129 /* Similarly the HP assembler takes 31 as the high bound even
6130 though %fr21 is the last callee saved floating point register. */
6131 if (temp
< 12 || temp
> 21)
6132 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6133 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6135 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6137 p
= input_line_pointer
;
6139 input_line_pointer
++;
6140 temp
= get_absolute_expression ();
6142 as_bad (_("Value for ENTRY_SR must be 3\n"));
6144 /* Note whether or not this function performs any calls. */
6145 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6146 (strncasecmp (name
, "caller", 6) == 0))
6148 p
= input_line_pointer
;
6151 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6153 p
= input_line_pointer
;
6156 /* Should RP be saved into the stack. */
6157 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6159 p
= input_line_pointer
;
6161 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6163 /* Likewise for SP. */
6164 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6166 p
= input_line_pointer
;
6168 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6170 /* Is this an unwindable procedure. If so mark it so
6171 in the unwind descriptor. */
6172 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6174 p
= input_line_pointer
;
6176 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6178 /* Is this an interrupt routine. If so mark it in the
6179 unwind descriptor. */
6180 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6182 p
= input_line_pointer
;
6184 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6186 /* Is this a millicode routine. "millicode" isn't in my
6187 assembler manual, but my copy is old. The HP assembler
6188 accepts it, and there's a place in the unwind descriptor
6189 to drop the information, so we'll accept it too. */
6190 else if ((strncasecmp (name
, "millicode", 9) == 0))
6192 p
= input_line_pointer
;
6194 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6198 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6199 *input_line_pointer
= c
;
6201 if (!is_end_of_statement ())
6202 input_line_pointer
++;
6205 demand_empty_rest_of_line ();
6208 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6209 /* Switch to the text space. Like s_text, but delete our
6210 label when finished. */
6213 pa_text (int unused ATTRIBUTE_UNUSED
)
6216 current_space
= is_defined_space ("$TEXT$");
6218 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6222 pa_undefine_label ();
6225 /* Switch to the data space. As usual delete our label. */
6228 pa_data (int unused ATTRIBUTE_UNUSED
)
6231 current_space
= is_defined_space ("$PRIVATE$");
6233 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6236 pa_undefine_label ();
6239 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6240 the .comm pseudo-op has the following syntax:
6242 <label> .comm <length>
6244 where <label> is optional and is a symbol whose address will be the start of
6245 a block of memory <length> bytes long. <length> must be an absolute
6246 expression. <length> bytes will be allocated in the current space
6249 Also note the label may not even be on the same line as the .comm.
6251 This difference in syntax means the colon function will be called
6252 on the symbol before we arrive in pa_comm. colon will set a number
6253 of attributes of the symbol that need to be fixed here. In particular
6254 the value, section pointer, fragment pointer, flags, etc. What
6257 This also makes error detection all but impossible. */
6260 pa_comm (int unused ATTRIBUTE_UNUSED
)
6264 label_symbol_struct
*label_symbol
= pa_get_label ();
6267 symbol
= label_symbol
->lss_label
;
6272 size
= get_absolute_expression ();
6276 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6277 S_SET_VALUE (symbol
, size
);
6278 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6279 S_SET_EXTERNAL (symbol
);
6281 /* colon() has already set the frag to the current location in the
6282 current subspace; we need to reset the fragment to the zero address
6283 fragment. We also need to reset the segment pointer. */
6284 symbol_set_frag (symbol
, &zero_address_frag
);
6286 demand_empty_rest_of_line ();
6288 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6290 /* Process a .END pseudo-op. */
6293 pa_end (int unused ATTRIBUTE_UNUSED
)
6295 demand_empty_rest_of_line ();
6298 /* Process a .ENTER pseudo-op. This is not supported. */
6301 pa_enter (int unused ATTRIBUTE_UNUSED
)
6304 /* We must have a valid space and subspace. */
6305 pa_check_current_space_and_subspace ();
6308 as_bad (_("The .ENTER pseudo-op is not supported"));
6309 demand_empty_rest_of_line ();
6312 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6316 pa_entry (int unused ATTRIBUTE_UNUSED
)
6319 /* We must have a valid space and subspace. */
6320 pa_check_current_space_and_subspace ();
6323 if (!within_procedure
)
6324 as_bad (_("Misplaced .entry. Ignored."));
6327 if (!callinfo_found
)
6328 as_bad (_("Missing .callinfo."));
6330 demand_empty_rest_of_line ();
6331 within_entry_exit
= TRUE
;
6334 /* SOM defers building of unwind descriptors until the link phase.
6335 The assembler is responsible for creating an R_ENTRY relocation
6336 to mark the beginning of a region and hold the unwind bits, and
6337 for creating an R_EXIT relocation to mark the end of the region.
6339 FIXME. ELF should be using the same conventions! The problem
6340 is an unwind requires too much relocation space. Hmmm. Maybe
6341 if we split the unwind bits up between the relocations which
6342 denote the entry and exit points. */
6343 if (last_call_info
->start_symbol
!= NULL
)
6348 where
= frag_more (0);
6349 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6350 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6351 NULL
, (offsetT
) 0, NULL
,
6352 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6357 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6358 being able to subtract two register symbols that specify a range of
6359 registers, to get the size of the range. */
6360 static int fudge_reg_expressions
;
6363 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6364 operatorT op ATTRIBUTE_UNUSED
,
6365 expressionS
*rightP
)
6367 if (fudge_reg_expressions
6368 && rightP
->X_op
== O_register
6369 && resultP
->X_op
== O_register
)
6371 rightP
->X_op
= O_constant
;
6372 resultP
->X_op
= O_constant
;
6374 return 0; /* Continue normal expr handling. */
6377 /* Handle a .EQU pseudo-op. */
6382 label_symbol_struct
*label_symbol
= pa_get_label ();
6387 symbol
= label_symbol
->lss_label
;
6391 if (!pa_parse_number (&input_line_pointer
, 0))
6392 as_bad (_(".REG expression must be a register"));
6393 S_SET_VALUE (symbol
, pa_number
);
6394 S_SET_SEGMENT (symbol
, reg_section
);
6401 fudge_reg_expressions
= 1;
6402 seg
= expression (&exp
);
6403 fudge_reg_expressions
= 0;
6404 if (exp
.X_op
!= O_constant
6405 && exp
.X_op
!= O_register
)
6407 if (exp
.X_op
!= O_absent
)
6408 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6409 exp
.X_add_number
= 0;
6410 seg
= absolute_section
;
6412 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6413 S_SET_SEGMENT (symbol
, seg
);
6419 as_bad (_(".REG must use a label"));
6421 as_bad (_(".EQU must use a label"));
6424 pa_undefine_label ();
6425 demand_empty_rest_of_line ();
6429 /* Mark the end of a function so that it's possible to compute
6430 the size of the function in elf_hppa_final_processing. */
6433 hppa_elf_mark_end_of_function (void)
6435 /* ELF does not have EXIT relocations. All we do is create a
6436 temporary symbol marking the end of the function. */
6439 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6441 /* We have already warned about a missing label,
6442 or other problems. */
6446 name
= xmalloc (strlen ("L$\001end_")
6447 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
6453 strcpy (name
, "L$\001end_");
6454 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6456 /* If we have a .exit followed by a .procend, then the
6457 symbol will have already been defined. */
6458 symbolP
= symbol_find (name
);
6461 /* The symbol has already been defined! This can
6462 happen if we have a .exit followed by a .procend.
6464 This is *not* an error. All we want to do is free
6465 the memory we just allocated for the name and continue. */
6470 /* symbol value should be the offset of the
6471 last instruction of the function */
6472 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6475 gas_assert (symbolP
);
6476 S_CLEAR_EXTERNAL (symbolP
);
6477 symbol_table_insert (symbolP
);
6481 last_call_info
->end_symbol
= symbolP
;
6483 as_bad (_("Symbol '%s' could not be created."), name
);
6487 as_bad (_("No memory for symbol name."));
6491 /* Helper function. Does processing for the end of a function. This
6492 usually involves creating some relocations or building special
6493 symbols to mark the end of the function. */
6500 where
= frag_more (0);
6503 /* Mark the end of the function, stuff away the location of the frag
6504 for the end of the function, and finally call pa_build_unwind_subspace
6505 to add an entry in the unwind table. */
6507 hppa_elf_mark_end_of_function ();
6508 pa_build_unwind_subspace (last_call_info
);
6510 /* SOM defers building of unwind descriptors until the link phase.
6511 The assembler is responsible for creating an R_ENTRY relocation
6512 to mark the beginning of a region and hold the unwind bits, and
6513 for creating an R_EXIT relocation to mark the end of the region.
6515 FIXME. ELF should be using the same conventions! The problem
6516 is an unwind requires too much relocation space. Hmmm. Maybe
6517 if we split the unwind bits up between the relocations which
6518 denote the entry and exit points. */
6519 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6521 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6522 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6526 /* Process a .EXIT pseudo-op. */
6529 pa_exit (int unused ATTRIBUTE_UNUSED
)
6532 /* We must have a valid space and subspace. */
6533 pa_check_current_space_and_subspace ();
6536 if (!within_procedure
)
6537 as_bad (_(".EXIT must appear within a procedure"));
6540 if (!callinfo_found
)
6541 as_bad (_("Missing .callinfo"));
6544 if (!within_entry_exit
)
6545 as_bad (_("No .ENTRY for this .EXIT"));
6548 within_entry_exit
= FALSE
;
6553 demand_empty_rest_of_line ();
6556 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6559 pa_type_args (symbolS
*symbolP
, int is_export
)
6562 unsigned int temp
, arg_reloc
;
6563 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6564 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6566 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6568 input_line_pointer
+= 8;
6569 bfdsym
->flags
&= ~BSF_FUNCTION
;
6570 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6571 type
= SYMBOL_TYPE_ABSOLUTE
;
6573 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6575 input_line_pointer
+= 4;
6576 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6577 instead one should be IMPORTing/EXPORTing ENTRY types.
6579 Complain if one tries to EXPORT a CODE type since that's never
6580 done. Both GCC and HP C still try to IMPORT CODE types, so
6581 silently fix them to be ENTRY types. */
6582 if (S_IS_FUNCTION (symbolP
))
6585 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6586 S_GET_NAME (symbolP
));
6588 bfdsym
->flags
|= BSF_FUNCTION
;
6589 type
= SYMBOL_TYPE_ENTRY
;
6593 bfdsym
->flags
&= ~BSF_FUNCTION
;
6594 type
= SYMBOL_TYPE_CODE
;
6597 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6599 input_line_pointer
+= 4;
6600 bfdsym
->flags
&= ~BSF_FUNCTION
;
6601 bfdsym
->flags
|= BSF_OBJECT
;
6602 type
= SYMBOL_TYPE_DATA
;
6604 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6606 input_line_pointer
+= 5;
6607 bfdsym
->flags
|= BSF_FUNCTION
;
6608 type
= SYMBOL_TYPE_ENTRY
;
6610 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6612 input_line_pointer
+= 9;
6613 bfdsym
->flags
|= BSF_FUNCTION
;
6616 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6617 elfsym
->internal_elf_sym
.st_info
=
6618 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6622 type
= SYMBOL_TYPE_MILLICODE
;
6624 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6626 input_line_pointer
+= 6;
6627 bfdsym
->flags
&= ~BSF_FUNCTION
;
6628 type
= SYMBOL_TYPE_PLABEL
;
6630 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6632 input_line_pointer
+= 8;
6633 bfdsym
->flags
|= BSF_FUNCTION
;
6634 type
= SYMBOL_TYPE_PRI_PROG
;
6636 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6638 input_line_pointer
+= 8;
6639 bfdsym
->flags
|= BSF_FUNCTION
;
6640 type
= SYMBOL_TYPE_SEC_PROG
;
6643 /* SOM requires much more information about symbol types
6644 than BFD understands. This is how we get this information
6645 to the SOM BFD backend. */
6646 #ifdef obj_set_symbol_type
6647 obj_set_symbol_type (bfdsym
, (int) type
);
6652 /* Now that the type of the exported symbol has been handled,
6653 handle any argument relocation information. */
6654 while (!is_end_of_statement ())
6656 if (*input_line_pointer
== ',')
6657 input_line_pointer
++;
6658 name
= input_line_pointer
;
6659 c
= get_symbol_end ();
6660 /* Argument sources. */
6661 if ((strncasecmp (name
, "argw", 4) == 0))
6663 p
= input_line_pointer
;
6665 input_line_pointer
++;
6666 temp
= atoi (name
+ 4);
6667 name
= input_line_pointer
;
6668 c
= get_symbol_end ();
6669 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6670 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6671 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6675 *input_line_pointer
= c
;
6677 /* The return value. */
6678 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6680 p
= input_line_pointer
;
6682 input_line_pointer
++;
6683 name
= input_line_pointer
;
6684 c
= get_symbol_end ();
6685 arg_reloc
= pa_build_arg_reloc (name
);
6686 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6687 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6691 *input_line_pointer
= c
;
6693 /* Privilege level. */
6694 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6696 p
= input_line_pointer
;
6698 input_line_pointer
++;
6699 temp
= atoi (input_line_pointer
);
6701 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6703 c
= get_symbol_end ();
6704 *input_line_pointer
= c
;
6708 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6709 p
= input_line_pointer
;
6712 if (!is_end_of_statement ())
6713 input_line_pointer
++;
6717 /* Process a .EXPORT directive. This makes functions external
6718 and provides information such as argument relocation entries
6722 pa_export (int unused ATTRIBUTE_UNUSED
)
6727 name
= input_line_pointer
;
6728 c
= get_symbol_end ();
6729 /* Make sure the given symbol exists. */
6730 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6732 as_bad (_("Cannot define export symbol: %s\n"), name
);
6733 p
= input_line_pointer
;
6735 input_line_pointer
++;
6739 /* OK. Set the external bits and process argument relocations.
6740 For the HP, weak and global are not mutually exclusive.
6741 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6742 Call S_SET_EXTERNAL to get the other processing. Manually
6743 set BSF_GLOBAL when we get back. */
6744 S_SET_EXTERNAL (symbol
);
6745 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6746 p
= input_line_pointer
;
6748 if (!is_end_of_statement ())
6750 input_line_pointer
++;
6751 pa_type_args (symbol
, 1);
6755 demand_empty_rest_of_line ();
6758 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6759 assembly file must either be defined in the assembly file, or
6760 explicitly IMPORTED from another. */
6763 pa_import (int unused ATTRIBUTE_UNUSED
)
6768 name
= input_line_pointer
;
6769 c
= get_symbol_end ();
6771 symbol
= symbol_find (name
);
6772 /* Ugh. We might be importing a symbol defined earlier in the file,
6773 in which case all the code below will really screw things up
6774 (set the wrong segment, symbol flags & type, etc). */
6775 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6777 symbol
= symbol_find_or_make (name
);
6778 p
= input_line_pointer
;
6781 if (!is_end_of_statement ())
6783 input_line_pointer
++;
6784 pa_type_args (symbol
, 0);
6788 /* Sigh. To be compatible with the HP assembler and to help
6789 poorly written assembly code, we assign a type based on
6790 the current segment. Note only BSF_FUNCTION really
6791 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6792 if (now_seg
== text_section
)
6793 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6795 /* If the section is undefined, then the symbol is undefined
6796 Since this is an import, leave the section undefined. */
6797 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6802 /* The symbol was already defined. Just eat everything up to
6803 the end of the current statement. */
6804 while (!is_end_of_statement ())
6805 input_line_pointer
++;
6808 demand_empty_rest_of_line ();
6811 /* Handle a .LABEL pseudo-op. */
6814 pa_label (int unused ATTRIBUTE_UNUSED
)
6818 name
= input_line_pointer
;
6819 c
= get_symbol_end ();
6821 if (strlen (name
) > 0)
6824 p
= input_line_pointer
;
6829 as_warn (_("Missing label name on .LABEL"));
6832 if (!is_end_of_statement ())
6834 as_warn (_("extra .LABEL arguments ignored."));
6835 ignore_rest_of_line ();
6837 demand_empty_rest_of_line ();
6840 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6843 pa_leave (int unused ATTRIBUTE_UNUSED
)
6846 /* We must have a valid space and subspace. */
6847 pa_check_current_space_and_subspace ();
6850 as_bad (_("The .LEAVE pseudo-op is not supported"));
6851 demand_empty_rest_of_line ();
6854 /* Handle a .LEVEL pseudo-op. */
6857 pa_level (int unused ATTRIBUTE_UNUSED
)
6861 level
= input_line_pointer
;
6862 if (strncmp (level
, "1.0", 3) == 0)
6864 input_line_pointer
+= 3;
6865 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6866 as_warn (_("could not set architecture and machine"));
6868 else if (strncmp (level
, "1.1", 3) == 0)
6870 input_line_pointer
+= 3;
6871 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6872 as_warn (_("could not set architecture and machine"));
6874 else if (strncmp (level
, "2.0w", 4) == 0)
6876 input_line_pointer
+= 4;
6877 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6878 as_warn (_("could not set architecture and machine"));
6880 else if (strncmp (level
, "2.0", 3) == 0)
6882 input_line_pointer
+= 3;
6883 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6884 as_warn (_("could not set architecture and machine"));
6888 as_bad (_("Unrecognized .LEVEL argument\n"));
6889 ignore_rest_of_line ();
6891 demand_empty_rest_of_line ();
6894 /* Handle a .ORIGIN pseudo-op. */
6897 pa_origin (int unused ATTRIBUTE_UNUSED
)
6900 /* We must have a valid space and subspace. */
6901 pa_check_current_space_and_subspace ();
6905 pa_undefine_label ();
6908 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6909 is for static functions. FIXME. Should share more code with .EXPORT. */
6912 pa_param (int unused ATTRIBUTE_UNUSED
)
6917 name
= input_line_pointer
;
6918 c
= get_symbol_end ();
6920 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6922 as_bad (_("Cannot define static symbol: %s\n"), name
);
6923 p
= input_line_pointer
;
6925 input_line_pointer
++;
6929 S_CLEAR_EXTERNAL (symbol
);
6930 p
= input_line_pointer
;
6932 if (!is_end_of_statement ())
6934 input_line_pointer
++;
6935 pa_type_args (symbol
, 0);
6939 demand_empty_rest_of_line ();
6942 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6943 of a procedure from a syntactical point of view. */
6946 pa_proc (int unused ATTRIBUTE_UNUSED
)
6948 struct call_info
*call_info
;
6951 /* We must have a valid space and subspace. */
6952 pa_check_current_space_and_subspace ();
6955 if (within_procedure
)
6956 as_fatal (_("Nested procedures"));
6958 /* Reset global variables for new procedure. */
6959 callinfo_found
= FALSE
;
6960 within_procedure
= TRUE
;
6962 /* Create another call_info structure. */
6963 call_info
= xmalloc (sizeof (struct call_info
));
6966 as_fatal (_("Cannot allocate unwind descriptor\n"));
6968 memset (call_info
, 0, sizeof (struct call_info
));
6970 call_info
->ci_next
= NULL
;
6972 if (call_info_root
== NULL
)
6974 call_info_root
= call_info
;
6975 last_call_info
= call_info
;
6979 last_call_info
->ci_next
= call_info
;
6980 last_call_info
= call_info
;
6983 /* set up defaults on call_info structure */
6985 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
6986 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
6987 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
6989 /* If we got a .PROC pseudo-op, we know that the function is defined
6990 locally. Make sure it gets into the symbol table. */
6992 label_symbol_struct
*label_symbol
= pa_get_label ();
6996 if (label_symbol
->lss_label
)
6998 last_call_info
->start_symbol
= label_symbol
->lss_label
;
6999 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7002 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7005 last_call_info
->start_symbol
= NULL
;
7008 demand_empty_rest_of_line ();
7011 /* Process the syntactical end of a procedure. Make sure all the
7012 appropriate pseudo-ops were found within the procedure. */
7015 pa_procend (int unused ATTRIBUTE_UNUSED
)
7018 /* We must have a valid space and subspace. */
7019 pa_check_current_space_and_subspace ();
7022 /* If we are within a procedure definition, make sure we've
7023 defined a label for the procedure; handle case where the
7024 label was defined after the .PROC directive.
7026 Note there's not need to diddle with the segment or fragment
7027 for the label symbol in this case. We have already switched
7028 into the new $CODE$ subspace at this point. */
7029 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7031 label_symbol_struct
*label_symbol
= pa_get_label ();
7035 if (label_symbol
->lss_label
)
7037 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7038 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7041 /* Also handle allocation of a fixup to hold the unwind
7042 information when the label appears after the proc/procend. */
7043 if (within_entry_exit
)
7048 where
= frag_more (0);
7049 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7050 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7051 NULL
, (offsetT
) 0, NULL
,
7052 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7057 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7060 as_bad (_("Missing function name for .PROC"));
7063 if (!within_procedure
)
7064 as_bad (_("misplaced .procend"));
7066 if (!callinfo_found
)
7067 as_bad (_("Missing .callinfo for this procedure"));
7069 if (within_entry_exit
)
7070 as_bad (_("Missing .EXIT for a .ENTRY"));
7073 /* ELF needs to mark the end of each function so that it can compute
7074 the size of the function (apparently its needed in the symbol table). */
7075 hppa_elf_mark_end_of_function ();
7078 within_procedure
= FALSE
;
7079 demand_empty_rest_of_line ();
7080 pa_undefine_label ();
7084 /* If VALUE is an exact power of two between zero and 2^31, then
7085 return log2 (VALUE). Else return -1. */
7088 exact_log2 (int value
)
7092 while ((1 << shift
) != value
&& shift
< 32)
7101 /* Check to make sure we have a valid space and subspace. */
7104 pa_check_current_space_and_subspace (void)
7106 if (current_space
== NULL
)
7107 as_fatal (_("Not in a space.\n"));
7109 if (current_subspace
== NULL
)
7110 as_fatal (_("Not in a subspace.\n"));
7113 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7114 then create a new space entry to hold the information specified
7115 by the parameters to the .SPACE directive. */
7117 static sd_chain_struct
*
7118 pa_parse_space_stmt (char *space_name
, int create_flag
)
7120 char *name
, *ptemp
, c
;
7121 char loadable
, defined
, private, sort
;
7123 asection
*seg
= NULL
;
7124 sd_chain_struct
*space
;
7126 /* Load default values. */
7132 if (strcmp (space_name
, "$TEXT$") == 0)
7134 seg
= pa_def_spaces
[0].segment
;
7135 defined
= pa_def_spaces
[0].defined
;
7136 private = pa_def_spaces
[0].private;
7137 sort
= pa_def_spaces
[0].sort
;
7138 spnum
= pa_def_spaces
[0].spnum
;
7140 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7142 seg
= pa_def_spaces
[1].segment
;
7143 defined
= pa_def_spaces
[1].defined
;
7144 private = pa_def_spaces
[1].private;
7145 sort
= pa_def_spaces
[1].sort
;
7146 spnum
= pa_def_spaces
[1].spnum
;
7149 if (!is_end_of_statement ())
7151 print_errors
= FALSE
;
7152 ptemp
= input_line_pointer
+ 1;
7153 /* First see if the space was specified as a number rather than
7154 as a name. According to the PA assembly manual the rest of
7155 the line should be ignored. */
7157 pa_parse_number (&ptemp
, 0);
7161 input_line_pointer
= ptemp
;
7165 while (!is_end_of_statement ())
7167 input_line_pointer
++;
7168 name
= input_line_pointer
;
7169 c
= get_symbol_end ();
7170 if ((strncasecmp (name
, "spnum", 5) == 0))
7172 *input_line_pointer
= c
;
7173 input_line_pointer
++;
7174 spnum
= get_absolute_expression ();
7176 else if ((strncasecmp (name
, "sort", 4) == 0))
7178 *input_line_pointer
= c
;
7179 input_line_pointer
++;
7180 sort
= get_absolute_expression ();
7182 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7184 *input_line_pointer
= c
;
7187 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7189 *input_line_pointer
= c
;
7192 else if ((strncasecmp (name
, "private", 7) == 0))
7194 *input_line_pointer
= c
;
7199 as_bad (_("Invalid .SPACE argument"));
7200 *input_line_pointer
= c
;
7201 if (!is_end_of_statement ())
7202 input_line_pointer
++;
7206 print_errors
= TRUE
;
7209 if (create_flag
&& seg
== NULL
)
7210 seg
= subseg_new (space_name
, 0);
7212 /* If create_flag is nonzero, then create the new space with
7213 the attributes computed above. Else set the values in
7214 an already existing space -- this can only happen for
7215 the first occurrence of a built-in space. */
7217 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7218 private, sort
, seg
, 1);
7221 space
= is_defined_space (space_name
);
7222 SPACE_SPNUM (space
) = spnum
;
7223 SPACE_DEFINED (space
) = defined
& 1;
7224 SPACE_USER_DEFINED (space
) = 1;
7227 #ifdef obj_set_section_attributes
7228 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7234 /* Handle a .SPACE pseudo-op; this switches the current space to the
7235 given space, creating the new space if necessary. */
7238 pa_space (int unused ATTRIBUTE_UNUSED
)
7240 char *name
, c
, *space_name
, *save_s
;
7241 sd_chain_struct
*sd_chain
;
7243 if (within_procedure
)
7245 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7246 ignore_rest_of_line ();
7250 /* Check for some of the predefined spaces. FIXME: most of the code
7251 below is repeated several times, can we extract the common parts
7252 and place them into a subroutine or something similar? */
7253 /* FIXME Is this (and the next IF stmt) really right?
7254 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7255 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7257 input_line_pointer
+= 6;
7258 sd_chain
= is_defined_space ("$TEXT$");
7259 if (sd_chain
== NULL
)
7260 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7261 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7262 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7264 current_space
= sd_chain
;
7265 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7267 = pa_subsegment_to_subspace (text_section
,
7268 sd_chain
->sd_last_subseg
);
7269 demand_empty_rest_of_line ();
7272 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7274 input_line_pointer
+= 9;
7275 sd_chain
= is_defined_space ("$PRIVATE$");
7276 if (sd_chain
== NULL
)
7277 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7278 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7279 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7281 current_space
= sd_chain
;
7282 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7284 = pa_subsegment_to_subspace (data_section
,
7285 sd_chain
->sd_last_subseg
);
7286 demand_empty_rest_of_line ();
7289 if (!strncasecmp (input_line_pointer
,
7290 GDB_DEBUG_SPACE_NAME
,
7291 strlen (GDB_DEBUG_SPACE_NAME
)))
7293 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7294 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7295 if (sd_chain
== NULL
)
7296 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7297 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7298 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7300 current_space
= sd_chain
;
7303 asection
*gdb_section
7304 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7306 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7308 = pa_subsegment_to_subspace (gdb_section
,
7309 sd_chain
->sd_last_subseg
);
7311 demand_empty_rest_of_line ();
7315 /* It could be a space specified by number. */
7317 save_s
= input_line_pointer
;
7319 pa_parse_number (&input_line_pointer
, 0);
7322 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7324 current_space
= sd_chain
;
7326 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7328 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7329 sd_chain
->sd_last_subseg
);
7330 demand_empty_rest_of_line ();
7335 /* Not a number, attempt to create a new space. */
7337 input_line_pointer
= save_s
;
7338 name
= input_line_pointer
;
7339 c
= get_symbol_end ();
7340 space_name
= xmalloc (strlen (name
) + 1);
7341 strcpy (space_name
, name
);
7342 *input_line_pointer
= c
;
7344 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7345 current_space
= sd_chain
;
7347 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7348 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7349 sd_chain
->sd_last_subseg
);
7350 demand_empty_rest_of_line ();
7354 /* Switch to a new space. (I think). FIXME. */
7357 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7362 sd_chain_struct
*space
;
7364 name
= input_line_pointer
;
7365 c
= get_symbol_end ();
7366 space
= is_defined_space (name
);
7370 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7373 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7375 *input_line_pointer
= c
;
7376 demand_empty_rest_of_line ();
7379 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7380 given subspace, creating the new subspace if necessary.
7382 FIXME. Should mirror pa_space more closely, in particular how
7383 they're broken up into subroutines. */
7386 pa_subspace (int create_new
)
7388 char *name
, *ss_name
, c
;
7389 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7390 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7391 sd_chain_struct
*space
;
7392 ssd_chain_struct
*ssd
;
7395 if (current_space
== NULL
)
7396 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7398 if (within_procedure
)
7400 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7401 ignore_rest_of_line ();
7405 name
= input_line_pointer
;
7406 c
= get_symbol_end ();
7407 ss_name
= xmalloc (strlen (name
) + 1);
7408 strcpy (ss_name
, name
);
7409 *input_line_pointer
= c
;
7411 /* Load default values. */
7424 space
= current_space
;
7428 ssd
= is_defined_subspace (ss_name
);
7429 /* Allow user to override the builtin attributes of subspaces. But
7430 only allow the attributes to be changed once! */
7431 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7433 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7434 current_subspace
= ssd
;
7435 if (!is_end_of_statement ())
7436 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7437 demand_empty_rest_of_line ();
7442 /* A new subspace. Load default values if it matches one of
7443 the builtin subspaces. */
7445 while (pa_def_subspaces
[i
].name
)
7447 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7449 loadable
= pa_def_subspaces
[i
].loadable
;
7450 comdat
= pa_def_subspaces
[i
].comdat
;
7451 common
= pa_def_subspaces
[i
].common
;
7452 dup_common
= pa_def_subspaces
[i
].dup_common
;
7453 code_only
= pa_def_subspaces
[i
].code_only
;
7454 zero
= pa_def_subspaces
[i
].zero
;
7455 space_index
= pa_def_subspaces
[i
].space_index
;
7456 alignment
= pa_def_subspaces
[i
].alignment
;
7457 quadrant
= pa_def_subspaces
[i
].quadrant
;
7458 access_ctr
= pa_def_subspaces
[i
].access
;
7459 sort
= pa_def_subspaces
[i
].sort
;
7466 /* We should be working with a new subspace now. Fill in
7467 any information as specified by the user. */
7468 if (!is_end_of_statement ())
7470 input_line_pointer
++;
7471 while (!is_end_of_statement ())
7473 name
= input_line_pointer
;
7474 c
= get_symbol_end ();
7475 if ((strncasecmp (name
, "quad", 4) == 0))
7477 *input_line_pointer
= c
;
7478 input_line_pointer
++;
7479 quadrant
= get_absolute_expression ();
7481 else if ((strncasecmp (name
, "align", 5) == 0))
7483 *input_line_pointer
= c
;
7484 input_line_pointer
++;
7485 alignment
= get_absolute_expression ();
7486 if (exact_log2 (alignment
) == -1)
7488 as_bad (_("Alignment must be a power of 2"));
7492 else if ((strncasecmp (name
, "access", 6) == 0))
7494 *input_line_pointer
= c
;
7495 input_line_pointer
++;
7496 access_ctr
= get_absolute_expression ();
7498 else if ((strncasecmp (name
, "sort", 4) == 0))
7500 *input_line_pointer
= c
;
7501 input_line_pointer
++;
7502 sort
= get_absolute_expression ();
7504 else if ((strncasecmp (name
, "code_only", 9) == 0))
7506 *input_line_pointer
= c
;
7509 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7511 *input_line_pointer
= c
;
7514 else if ((strncasecmp (name
, "comdat", 6) == 0))
7516 *input_line_pointer
= c
;
7519 else if ((strncasecmp (name
, "common", 6) == 0))
7521 *input_line_pointer
= c
;
7524 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7526 *input_line_pointer
= c
;
7529 else if ((strncasecmp (name
, "zero", 4) == 0))
7531 *input_line_pointer
= c
;
7534 else if ((strncasecmp (name
, "first", 5) == 0))
7535 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7537 as_bad (_("Invalid .SUBSPACE argument"));
7538 if (!is_end_of_statement ())
7539 input_line_pointer
++;
7543 /* Compute a reasonable set of BFD flags based on the information
7544 in the .subspace directive. */
7545 applicable
= bfd_applicable_section_flags (stdoutput
);
7548 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7552 /* These flags are used to implement various flavors of initialized
7553 common. The SOM linker discards duplicate subspaces when they
7554 have the same "key" symbol name. This support is more like
7555 GNU linkonce than BFD common. Further, pc-relative relocations
7556 are converted to section relative relocations in BFD common
7557 sections. This complicates the handling of relocations in
7558 common sections containing text and isn't currently supported
7559 correctly in the SOM BFD backend. */
7560 if (comdat
|| common
|| dup_common
)
7561 flags
|= SEC_LINK_ONCE
;
7563 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7565 /* This is a zero-filled subspace (eg BSS). */
7567 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7569 applicable
&= flags
;
7571 /* If this is an existing subspace, then we want to use the
7572 segment already associated with the subspace.
7574 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7575 lots of sections. It might be a problem in the PA ELF
7576 code, I do not know yet. For now avoid creating anything
7577 but the "standard" sections for ELF. */
7579 section
= subseg_force_new (ss_name
, 0);
7581 section
= ssd
->ssd_seg
;
7583 section
= subseg_new (ss_name
, 0);
7586 seg_info (section
)->bss
= 1;
7588 /* Now set the flags. */
7589 bfd_set_section_flags (stdoutput
, section
, applicable
);
7591 /* Record any alignment request for this section. */
7592 record_alignment (section
, exact_log2 (alignment
));
7594 /* Set the starting offset for this section. */
7595 bfd_set_section_vma (stdoutput
, section
,
7596 pa_subspace_start (space
, quadrant
));
7598 /* Now that all the flags are set, update an existing subspace,
7599 or create a new one. */
7602 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7603 code_only
, comdat
, common
,
7604 dup_common
, sort
, zero
, access_ctr
,
7605 space_index
, alignment
, quadrant
,
7608 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7609 code_only
, comdat
, common
,
7610 dup_common
, zero
, sort
,
7611 access_ctr
, space_index
,
7612 alignment
, quadrant
, section
);
7614 demand_empty_rest_of_line ();
7615 current_subspace
->ssd_seg
= section
;
7616 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7618 SUBSPACE_DEFINED (current_subspace
) = 1;
7621 /* Create default space and subspace dictionaries. */
7624 pa_spaces_begin (void)
7628 space_dict_root
= NULL
;
7629 space_dict_last
= NULL
;
7632 while (pa_def_spaces
[i
].name
)
7636 /* Pick the right name to use for the new section. */
7637 name
= pa_def_spaces
[i
].name
;
7639 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7640 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7641 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7642 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7643 pa_def_spaces
[i
].segment
, 0);
7648 while (pa_def_subspaces
[i
].name
)
7651 int applicable
, subsegment
;
7652 asection
*segment
= NULL
;
7653 sd_chain_struct
*space
;
7655 /* Pick the right name for the new section and pick the right
7656 subsegment number. */
7657 name
= pa_def_subspaces
[i
].name
;
7660 /* Create the new section. */
7661 segment
= subseg_new (name
, subsegment
);
7663 /* For SOM we want to replace the standard .text, .data, and .bss
7664 sections with our own. We also want to set BFD flags for
7665 all the built-in subspaces. */
7666 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7668 text_section
= segment
;
7669 applicable
= bfd_applicable_section_flags (stdoutput
);
7670 bfd_set_section_flags (stdoutput
, segment
,
7671 applicable
& (SEC_ALLOC
| SEC_LOAD
7672 | SEC_RELOC
| SEC_CODE
7674 | SEC_HAS_CONTENTS
));
7676 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7678 data_section
= segment
;
7679 applicable
= bfd_applicable_section_flags (stdoutput
);
7680 bfd_set_section_flags (stdoutput
, segment
,
7681 applicable
& (SEC_ALLOC
| SEC_LOAD
7683 | SEC_HAS_CONTENTS
));
7686 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7688 bss_section
= segment
;
7689 applicable
= bfd_applicable_section_flags (stdoutput
);
7690 bfd_set_section_flags (stdoutput
, segment
,
7691 applicable
& SEC_ALLOC
);
7693 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7695 applicable
= bfd_applicable_section_flags (stdoutput
);
7696 bfd_set_section_flags (stdoutput
, segment
,
7697 applicable
& (SEC_ALLOC
| SEC_LOAD
7700 | SEC_HAS_CONTENTS
));
7702 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7704 applicable
= bfd_applicable_section_flags (stdoutput
);
7705 bfd_set_section_flags (stdoutput
, segment
,
7706 applicable
& (SEC_ALLOC
| SEC_LOAD
7709 | SEC_HAS_CONTENTS
));
7711 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7713 applicable
= bfd_applicable_section_flags (stdoutput
);
7714 bfd_set_section_flags (stdoutput
, segment
,
7715 applicable
& (SEC_ALLOC
| SEC_LOAD
7718 | SEC_HAS_CONTENTS
));
7721 /* Find the space associated with this subspace. */
7722 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7723 def_space_index
].segment
);
7726 as_fatal (_("Internal error: Unable to find containing space for %s."),
7727 pa_def_subspaces
[i
].name
);
7730 create_new_subspace (space
, name
,
7731 pa_def_subspaces
[i
].loadable
,
7732 pa_def_subspaces
[i
].code_only
,
7733 pa_def_subspaces
[i
].comdat
,
7734 pa_def_subspaces
[i
].common
,
7735 pa_def_subspaces
[i
].dup_common
,
7736 pa_def_subspaces
[i
].zero
,
7737 pa_def_subspaces
[i
].sort
,
7738 pa_def_subspaces
[i
].access
,
7739 pa_def_subspaces
[i
].space_index
,
7740 pa_def_subspaces
[i
].alignment
,
7741 pa_def_subspaces
[i
].quadrant
,
7747 /* Create a new space NAME, with the appropriate flags as defined
7748 by the given parameters. */
7750 static sd_chain_struct
*
7751 create_new_space (char *name
,
7753 int loadable ATTRIBUTE_UNUSED
,
7760 sd_chain_struct
*chain_entry
;
7762 chain_entry
= xmalloc (sizeof (sd_chain_struct
));
7764 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7767 SPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7768 strcpy (SPACE_NAME (chain_entry
), name
);
7769 SPACE_DEFINED (chain_entry
) = defined
;
7770 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7771 SPACE_SPNUM (chain_entry
) = spnum
;
7773 chain_entry
->sd_seg
= seg
;
7774 chain_entry
->sd_last_subseg
= -1;
7775 chain_entry
->sd_subspaces
= NULL
;
7776 chain_entry
->sd_next
= NULL
;
7778 /* Find spot for the new space based on its sort key. */
7779 if (!space_dict_last
)
7780 space_dict_last
= chain_entry
;
7782 if (space_dict_root
== NULL
)
7783 space_dict_root
= chain_entry
;
7786 sd_chain_struct
*chain_pointer
;
7787 sd_chain_struct
*prev_chain_pointer
;
7789 chain_pointer
= space_dict_root
;
7790 prev_chain_pointer
= NULL
;
7792 while (chain_pointer
)
7794 prev_chain_pointer
= chain_pointer
;
7795 chain_pointer
= chain_pointer
->sd_next
;
7798 /* At this point we've found the correct place to add the new
7799 entry. So add it and update the linked lists as appropriate. */
7800 if (prev_chain_pointer
)
7802 chain_entry
->sd_next
= chain_pointer
;
7803 prev_chain_pointer
->sd_next
= chain_entry
;
7807 space_dict_root
= chain_entry
;
7808 chain_entry
->sd_next
= chain_pointer
;
7811 if (chain_entry
->sd_next
== NULL
)
7812 space_dict_last
= chain_entry
;
7815 /* This is here to catch predefined spaces which do not get
7816 modified by the user's input. Another call is found at
7817 the bottom of pa_parse_space_stmt to handle cases where
7818 the user modifies a predefined space. */
7819 #ifdef obj_set_section_attributes
7820 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7826 /* Create a new subspace NAME, with the appropriate flags as defined
7827 by the given parameters.
7829 Add the new subspace to the subspace dictionary chain in numerical
7830 order as defined by the SORT entries. */
7832 static ssd_chain_struct
*
7833 create_new_subspace (sd_chain_struct
*space
,
7835 int loadable ATTRIBUTE_UNUSED
,
7836 int code_only ATTRIBUTE_UNUSED
,
7840 int is_zero ATTRIBUTE_UNUSED
,
7843 int space_index ATTRIBUTE_UNUSED
,
7844 int alignment ATTRIBUTE_UNUSED
,
7848 ssd_chain_struct
*chain_entry
;
7850 chain_entry
= xmalloc (sizeof (ssd_chain_struct
));
7852 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7854 SUBSPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7855 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7857 /* Initialize subspace_defined. When we hit a .subspace directive
7858 we'll set it to 1 which "locks-in" the subspace attributes. */
7859 SUBSPACE_DEFINED (chain_entry
) = 0;
7861 chain_entry
->ssd_subseg
= 0;
7862 chain_entry
->ssd_seg
= seg
;
7863 chain_entry
->ssd_next
= NULL
;
7865 /* Find spot for the new subspace based on its sort key. */
7866 if (space
->sd_subspaces
== NULL
)
7867 space
->sd_subspaces
= chain_entry
;
7870 ssd_chain_struct
*chain_pointer
;
7871 ssd_chain_struct
*prev_chain_pointer
;
7873 chain_pointer
= space
->sd_subspaces
;
7874 prev_chain_pointer
= NULL
;
7876 while (chain_pointer
)
7878 prev_chain_pointer
= chain_pointer
;
7879 chain_pointer
= chain_pointer
->ssd_next
;
7882 /* Now we have somewhere to put the new entry. Insert it and update
7884 if (prev_chain_pointer
)
7886 chain_entry
->ssd_next
= chain_pointer
;
7887 prev_chain_pointer
->ssd_next
= chain_entry
;
7891 space
->sd_subspaces
= chain_entry
;
7892 chain_entry
->ssd_next
= chain_pointer
;
7896 #ifdef obj_set_subsection_attributes
7897 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7898 quadrant
, comdat
, common
, dup_common
);
7904 /* Update the information for the given subspace based upon the
7905 various arguments. Return the modified subspace chain entry. */
7907 static ssd_chain_struct
*
7908 update_subspace (sd_chain_struct
*space
,
7910 int loadable ATTRIBUTE_UNUSED
,
7911 int code_only ATTRIBUTE_UNUSED
,
7916 int zero ATTRIBUTE_UNUSED
,
7918 int space_index ATTRIBUTE_UNUSED
,
7919 int alignment ATTRIBUTE_UNUSED
,
7923 ssd_chain_struct
*chain_entry
;
7925 chain_entry
= is_defined_subspace (name
);
7927 #ifdef obj_set_subsection_attributes
7928 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7929 quadrant
, comdat
, common
, dup_common
);
7935 /* Return the space chain entry for the space with the name NAME or
7936 NULL if no such space exists. */
7938 static sd_chain_struct
*
7939 is_defined_space (char *name
)
7941 sd_chain_struct
*chain_pointer
;
7943 for (chain_pointer
= space_dict_root
;
7945 chain_pointer
= chain_pointer
->sd_next
)
7946 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7947 return chain_pointer
;
7949 /* No mapping from segment to space was found. Return NULL. */
7953 /* Find and return the space associated with the given seg. If no mapping
7954 from the given seg to a space is found, then return NULL.
7956 Unlike subspaces, the number of spaces is not expected to grow much,
7957 so a linear exhaustive search is OK here. */
7959 static sd_chain_struct
*
7960 pa_segment_to_space (asection
*seg
)
7962 sd_chain_struct
*space_chain
;
7964 /* Walk through each space looking for the correct mapping. */
7965 for (space_chain
= space_dict_root
;
7967 space_chain
= space_chain
->sd_next
)
7968 if (space_chain
->sd_seg
== seg
)
7971 /* Mapping was not found. Return NULL. */
7975 /* Return the first space chain entry for the subspace with the name
7976 NAME or NULL if no such subspace exists.
7978 When there are multiple subspaces with the same name, switching to
7979 the first (i.e., default) subspace is preferable in most situations.
7980 For example, it wouldn't be desirable to merge COMDAT data with non
7983 Uses a linear search through all the spaces and subspaces, this may
7984 not be appropriate if we ever being placing each function in its
7987 static ssd_chain_struct
*
7988 is_defined_subspace (char *name
)
7990 sd_chain_struct
*space_chain
;
7991 ssd_chain_struct
*subspace_chain
;
7993 /* Walk through each space. */
7994 for (space_chain
= space_dict_root
;
7996 space_chain
= space_chain
->sd_next
)
7998 /* Walk through each subspace looking for a name which matches. */
7999 for (subspace_chain
= space_chain
->sd_subspaces
;
8001 subspace_chain
= subspace_chain
->ssd_next
)
8002 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8003 return subspace_chain
;
8006 /* Subspace wasn't found. Return NULL. */
8010 /* Find and return the subspace associated with the given seg. If no
8011 mapping from the given seg to a subspace is found, then return NULL.
8013 If we ever put each procedure/function within its own subspace
8014 (to make life easier on the compiler and linker), then this will have
8015 to become more efficient. */
8017 static ssd_chain_struct
*
8018 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
8020 sd_chain_struct
*space_chain
;
8021 ssd_chain_struct
*subspace_chain
;
8023 /* Walk through each space. */
8024 for (space_chain
= space_dict_root
;
8026 space_chain
= space_chain
->sd_next
)
8028 if (space_chain
->sd_seg
== seg
)
8030 /* Walk through each subspace within each space looking for
8031 the correct mapping. */
8032 for (subspace_chain
= space_chain
->sd_subspaces
;
8034 subspace_chain
= subspace_chain
->ssd_next
)
8035 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8036 return subspace_chain
;
8040 /* No mapping from subsegment to subspace found. Return NULL. */
8044 /* Given a number, try and find a space with the name number.
8046 Return a pointer to a space dictionary chain entry for the space
8047 that was found or NULL on failure. */
8049 static sd_chain_struct
*
8050 pa_find_space_by_number (int number
)
8052 sd_chain_struct
*space_chain
;
8054 for (space_chain
= space_dict_root
;
8056 space_chain
= space_chain
->sd_next
)
8058 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8062 /* No appropriate space found. Return NULL. */
8066 /* Return the starting address for the given subspace. If the starting
8067 address is unknown then return zero. */
8070 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8072 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8073 is not correct for the PA OSF1 port. */
8074 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8076 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8084 /* Helper function for pa_stringer. Used to find the end of
8088 pa_stringer_aux (char *s
)
8090 unsigned int c
= *s
& CHAR_MASK
;
8103 /* Handle a .STRING type pseudo-op. */
8106 pa_stringer (int append_zero
)
8108 char *s
, num_buf
[4];
8112 /* Preprocess the string to handle PA-specific escape sequences.
8113 For example, \xDD where DD is a hexadecimal number should be
8114 changed to \OOO where OOO is an octal number. */
8117 /* We must have a valid space and subspace. */
8118 pa_check_current_space_and_subspace ();
8121 /* Skip the opening quote. */
8122 s
= input_line_pointer
+ 1;
8124 while (is_a_char (c
= pa_stringer_aux (s
++)))
8131 /* Handle \x<num>. */
8134 unsigned int number
;
8139 /* Get past the 'x'. */
8141 for (num_digit
= 0, number
= 0, dg
= *s
;
8143 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8144 || (dg
>= 'A' && dg
<= 'F'));
8148 number
= number
* 16 + dg
- '0';
8149 else if (dg
>= 'a' && dg
<= 'f')
8150 number
= number
* 16 + dg
- 'a' + 10;
8152 number
= number
* 16 + dg
- 'A' + 10;
8162 sprintf (num_buf
, "%02o", number
);
8165 sprintf (num_buf
, "%03o", number
);
8168 for (i
= 0; i
<= num_digit
; i
++)
8169 s_start
[i
] = num_buf
[i
];
8173 /* This might be a "\"", skip over the escaped char. */
8180 stringer (8 + append_zero
);
8181 pa_undefine_label ();
8184 /* Handle a .VERSION pseudo-op. */
8187 pa_version (int unused ATTRIBUTE_UNUSED
)
8190 pa_undefine_label ();
8195 /* Handle a .COMPILER pseudo-op. */
8198 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8200 obj_som_compiler (0);
8201 pa_undefine_label ();
8206 /* Handle a .COPYRIGHT pseudo-op. */
8209 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8212 pa_undefine_label ();
8215 /* Just like a normal cons, but when finished we have to undefine
8216 the latest space label. */
8219 pa_cons (int nbytes
)
8222 pa_undefine_label ();
8225 /* Like float_cons, but we need to undefine our label. */
8228 pa_float_cons (int float_type
)
8230 float_cons (float_type
);
8231 pa_undefine_label ();
8234 /* Like s_fill, but delete our label when finished. */
8237 pa_fill (int unused ATTRIBUTE_UNUSED
)
8240 /* We must have a valid space and subspace. */
8241 pa_check_current_space_and_subspace ();
8245 pa_undefine_label ();
8248 /* Like lcomm, but delete our label when finished. */
8251 pa_lcomm (int needs_align
)
8254 /* We must have a valid space and subspace. */
8255 pa_check_current_space_and_subspace ();
8258 s_lcomm (needs_align
);
8259 pa_undefine_label ();
8262 /* Like lsym, but delete our label when finished. */
8265 pa_lsym (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 /* This function is called once, at assembler startup time. It should
8277 set up all the tables, etc. that the MD part of the assembler will need. */
8282 const char *retval
= NULL
;
8286 last_call_info
= NULL
;
8287 call_info_root
= NULL
;
8289 /* Set the default machine type. */
8290 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8291 as_warn (_("could not set architecture and machine"));
8293 /* Folding of text and data segments fails miserably on the PA.
8294 Warn user and disable "-R" option. */
8295 if (flag_readonly_data_in_text
)
8297 as_warn (_("-R option not supported on this target."));
8298 flag_readonly_data_in_text
= 0;
8305 op_hash
= hash_new ();
8307 while (i
< NUMOPCODES
)
8309 const char *name
= pa_opcodes
[i
].name
;
8311 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
8312 if (retval
!= NULL
&& *retval
!= '\0')
8314 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
8320 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8321 != pa_opcodes
[i
].match
)
8323 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8324 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8329 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8333 as_fatal (_("Broken assembler. No assembly attempted."));
8336 /* SOM will change text_section. To make sure we never put
8337 anything into the old one switch to the new one now. */
8338 subseg_set (text_section
, 0);
8342 dummy_symbol
= symbol_find_or_make ("L$dummy");
8343 S_SET_SEGMENT (dummy_symbol
, text_section
);
8344 /* Force the symbol to be converted to a real symbol. */
8345 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8349 /* On the PA relocations which involve function symbols must not be
8350 adjusted. This so that the linker can know when/how to create argument
8351 relocation stubs for indirect calls and calls to static functions.
8353 "T" field selectors create DLT relative fixups for accessing
8354 globals and statics in PIC code; each DLT relative fixup creates
8355 an entry in the DLT table. The entries contain the address of
8356 the final target (eg accessing "foo" would create a DLT entry
8357 with the address of "foo").
8359 Unfortunately, the HP linker doesn't take into account any addend
8360 when generating the DLT; so accessing $LIT$+8 puts the address of
8361 $LIT$ into the DLT rather than the address of $LIT$+8.
8363 The end result is we can't perform relocation symbol reductions for
8364 any fixup which creates entries in the DLT (eg they use "T" field
8367 ??? Reject reductions involving symbols with external scope; such
8368 reductions make life a living hell for object file editors. */
8371 hppa_fix_adjustable (fixS
*fixp
)
8376 struct hppa_fix_struct
*hppa_fix
;
8378 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8381 /* LR/RR selectors are implicitly used for a number of different relocation
8382 types. We must ensure that none of these types are adjusted (see below)
8383 even if they occur with a different selector. */
8384 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8385 hppa_fix
->fx_r_format
,
8386 hppa_fix
->fx_r_field
);
8390 /* Relocation types which use e_lrsel. */
8391 case R_PARISC_DIR21L
:
8392 case R_PARISC_DLTREL21L
:
8393 case R_PARISC_DPREL21L
:
8394 case R_PARISC_PLTOFF21L
:
8396 /* Relocation types which use e_rrsel. */
8397 case R_PARISC_DIR14R
:
8398 case R_PARISC_DIR14DR
:
8399 case R_PARISC_DIR14WR
:
8400 case R_PARISC_DIR17R
:
8401 case R_PARISC_DLTREL14R
:
8402 case R_PARISC_DLTREL14DR
:
8403 case R_PARISC_DLTREL14WR
:
8404 case R_PARISC_DPREL14R
:
8405 case R_PARISC_DPREL14DR
:
8406 case R_PARISC_DPREL14WR
:
8407 case R_PARISC_PLTOFF14R
:
8408 case R_PARISC_PLTOFF14DR
:
8409 case R_PARISC_PLTOFF14WR
:
8411 /* Other types that we reject for reduction. */
8412 case R_PARISC_GNU_VTENTRY
:
8413 case R_PARISC_GNU_VTINHERIT
:
8420 /* Reject reductions of symbols in sym1-sym2 expressions when
8421 the fixup will occur in a CODE subspace.
8423 XXX FIXME: Long term we probably want to reject all of these;
8424 for example reducing in the debug section would lose if we ever
8425 supported using the optimizing hp linker. */
8428 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8431 /* We can't adjust any relocs that use LR% and RR% field selectors.
8433 If a symbol is reduced to a section symbol, the assembler will
8434 adjust the addend unless the symbol happens to reside right at
8435 the start of the section. Additionally, the linker has no choice
8436 but to manipulate the addends when coalescing input sections for
8437 "ld -r". Since an LR% field selector is defined to round the
8438 addend, we can't change the addend without risking that a LR% and
8439 it's corresponding (possible multiple) RR% field will no longer
8440 sum to the right value.
8443 . ldil LR%foo+0,%r21
8444 . ldw RR%foo+0(%r21),%r26
8445 . ldw RR%foo+4(%r21),%r25
8447 If foo is at address 4092 (decimal) in section `sect', then after
8448 reducing to the section symbol we get
8449 . LR%sect+4092 == (L%sect)+0
8450 . RR%sect+4092 == (R%sect)+4092
8451 . RR%sect+4096 == (R%sect)-4096
8452 and the last address loses because rounding the addend to 8k
8453 multiples takes us up to 8192 with an offset of -4096.
8455 In cases where the LR% expression is identical to the RR% one we
8456 will never have a problem, but is so happens that gcc rounds
8457 addends involved in LR% field selectors to work around a HP
8458 linker bug. ie. We often have addresses like the last case
8459 above where the LR% expression is offset from the RR% one. */
8461 if (hppa_fix
->fx_r_field
== e_lrsel
8462 || hppa_fix
->fx_r_field
== e_rrsel
8463 || hppa_fix
->fx_r_field
== e_nlrsel
)
8466 /* Reject reductions of symbols in DLT relative relocs,
8467 relocations with plabels. */
8468 if (hppa_fix
->fx_r_field
== e_tsel
8469 || hppa_fix
->fx_r_field
== e_ltsel
8470 || hppa_fix
->fx_r_field
== e_rtsel
8471 || hppa_fix
->fx_r_field
== e_psel
8472 || hppa_fix
->fx_r_field
== e_rpsel
8473 || hppa_fix
->fx_r_field
== e_lpsel
)
8476 /* Reject absolute calls (jumps). */
8477 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8480 /* Reject reductions of function symbols. */
8481 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8487 /* Return nonzero if the fixup in FIXP will require a relocation,
8488 even it if appears that the fixup could be completely handled
8492 hppa_force_relocation (struct fix
*fixp
)
8494 struct hppa_fix_struct
*hppa_fixp
;
8496 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8498 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8499 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8500 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8501 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8502 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8503 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8504 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8505 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8509 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8510 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8514 gas_assert (fixp
->fx_addsy
!= NULL
);
8516 /* Ensure we emit a relocation for global symbols so that dynamic
8518 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8521 /* It is necessary to force PC-relative calls/jumps to have a relocation
8522 entry if they're going to need either an argument relocation or long
8525 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8526 hppa_fixp
->fx_arg_reloc
))
8529 /* Now check to see if we're going to need a long-branch stub. */
8530 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8532 long pc
= md_pcrel_from (fixp
);
8533 valueT distance
, min_stub_distance
;
8535 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8537 /* Distance to the closest possible stub. This will detect most
8538 but not all circumstances where a stub will not work. */
8539 min_stub_distance
= pc
+ 16;
8541 if (last_call_info
!= NULL
)
8542 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8545 if ((distance
+ 8388608 >= 16777216
8546 && min_stub_distance
<= 8388608)
8547 || (hppa_fixp
->fx_r_format
== 17
8548 && distance
+ 262144 >= 524288
8549 && min_stub_distance
<= 262144)
8550 || (hppa_fixp
->fx_r_format
== 12
8551 && distance
+ 8192 >= 16384
8552 && min_stub_distance
<= 8192)
8557 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8560 /* No need (yet) to force another relocations to be emitted. */
8564 /* Now for some ELF specific code. FIXME. */
8566 /* For ELF, this function serves one purpose: to setup the st_size
8567 field of STT_FUNC symbols. To do this, we need to scan the
8568 call_info structure list, determining st_size in by taking the
8569 difference in the address of the beginning/end marker symbols. */
8572 elf_hppa_final_processing (void)
8574 struct call_info
*call_info_pointer
;
8576 for (call_info_pointer
= call_info_root
;
8578 call_info_pointer
= call_info_pointer
->ci_next
)
8580 elf_symbol_type
*esym
8581 = ((elf_symbol_type
*)
8582 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8583 esym
->internal_elf_sym
.st_size
=
8584 S_GET_VALUE (call_info_pointer
->end_symbol
)
8585 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8590 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8592 struct fix
*new_fix
;
8594 new_fix
= obj_elf_vtable_entry (0);
8598 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8600 hppa_fix
->fx_r_type
= R_HPPA
;
8601 hppa_fix
->fx_r_field
= e_fsel
;
8602 hppa_fix
->fx_r_format
= 32;
8603 hppa_fix
->fx_arg_reloc
= 0;
8604 hppa_fix
->segment
= now_seg
;
8605 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8606 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8611 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8613 struct fix
*new_fix
;
8615 new_fix
= obj_elf_vtable_inherit (0);
8619 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8621 hppa_fix
->fx_r_type
= R_HPPA
;
8622 hppa_fix
->fx_r_field
= e_fsel
;
8623 hppa_fix
->fx_r_format
= 32;
8624 hppa_fix
->fx_arg_reloc
= 0;
8625 hppa_fix
->segment
= now_seg
;
8626 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8627 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8632 /* Table of pseudo ops for the PA. FIXME -- how many of these
8633 are now redundant with the overall GAS and the object file
8634 dependent tables? */
8635 const pseudo_typeS md_pseudo_table
[] =
8637 /* align pseudo-ops on the PA specify the actual alignment requested,
8638 not the log2 of the requested alignment. */
8640 {"align", pa_align
, 8},
8643 {"align", s_align_bytes
, 8},
8645 {"begin_brtab", pa_brtab
, 1},
8646 {"begin_try", pa_try
, 1},
8647 {"block", pa_block
, 1},
8648 {"blockz", pa_block
, 0},
8649 {"byte", pa_cons
, 1},
8650 {"call", pa_call
, 0},
8651 {"callinfo", pa_callinfo
, 0},
8652 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8653 {"code", obj_elf_text
, 0},
8655 {"code", pa_text
, 0},
8656 {"comm", pa_comm
, 0},
8659 {"compiler", pa_compiler
, 0},
8661 {"copyright", pa_copyright
, 0},
8662 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8663 {"data", pa_data
, 0},
8665 {"double", pa_float_cons
, 'd'},
8666 {"dword", pa_cons
, 8},
8668 {"end_brtab", pa_brtab
, 0},
8669 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8670 {"end_try", pa_try
, 0},
8672 {"enter", pa_enter
, 0},
8673 {"entry", pa_entry
, 0},
8675 {"exit", pa_exit
, 0},
8676 {"export", pa_export
, 0},
8677 {"fill", pa_fill
, 0},
8678 {"float", pa_float_cons
, 'f'},
8679 {"half", pa_cons
, 2},
8680 {"import", pa_import
, 0},
8681 {"int", pa_cons
, 4},
8682 {"label", pa_label
, 0},
8683 {"lcomm", pa_lcomm
, 0},
8684 {"leave", pa_leave
, 0},
8685 {"level", pa_level
, 0},
8686 {"long", pa_cons
, 4},
8687 {"lsym", pa_lsym
, 0},
8689 {"nsubspa", pa_subspace
, 1},
8691 {"octa", pa_cons
, 16},
8692 {"org", pa_origin
, 0},
8693 {"origin", pa_origin
, 0},
8694 {"param", pa_param
, 0},
8695 {"proc", pa_proc
, 0},
8696 {"procend", pa_procend
, 0},
8697 {"quad", pa_cons
, 8},
8699 {"short", pa_cons
, 2},
8700 {"single", pa_float_cons
, 'f'},
8702 {"space", pa_space
, 0},
8703 {"spnum", pa_spnum
, 0},
8705 {"string", pa_stringer
, 0},
8706 {"stringz", pa_stringer
, 1},
8708 {"subspa", pa_subspace
, 0},
8710 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8711 {"text", pa_text
, 0},
8713 {"version", pa_version
, 0},
8715 {"vtable_entry", pa_vtable_entry
, 0},
8716 {"vtable_inherit", pa_vtable_inherit
, 0},
8718 {"word", pa_cons
, 4},
8724 hppa_cfi_frame_initial_instructions (void)
8726 cfi_add_CFA_def_cfa (30, 0);
8730 hppa_regname_to_dw2regnum (char *regname
)
8732 unsigned int regnum
= -1;
8736 static struct { char *name
; int dw2regnum
; } regnames
[] =
8738 { "sp", 30 }, { "rp", 2 },
8741 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8742 if (strcmp (regnames
[i
].name
, regname
) == 0)
8743 return regnames
[i
].dw2regnum
;
8745 if (regname
[0] == 'r')
8748 regnum
= strtoul (p
, &q
, 10);
8749 if (p
== q
|| *q
|| regnum
>= 32)
8752 else if (regname
[0] == 'f' && regname
[1] == 'r')
8755 regnum
= strtoul (p
, &q
, 10);
8756 #if TARGET_ARCH_SIZE == 64
8757 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8762 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8763 || regnum
<= 4 || regnum
>= 32)
8765 regnum
= (regnum
- 4) * 2 + 32;