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 /* Set doubleword carry bit. */
3763 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3765 /* Handle 32 bit carry for ADD. */
3768 if (!strncasecmp (s
, ",c,tsv", 6) ||
3769 !strncasecmp (s
, ",tsv,c", 6))
3774 else if (!strncasecmp (s
, ",c", 2))
3782 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3784 /* Handle trap on signed overflow. */
3787 if (!strncasecmp (s
, ",tsv", 4))
3793 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3795 /* Handle trap on condition and overflow. */
3798 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3799 !strncasecmp (s
, ",tsv,tc", 7))
3804 else if (!strncasecmp (s
, ",tc", 3))
3812 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3814 /* Handle 64 bit borrow for SUB. */
3817 if (!strncasecmp (s
, ",db,tsv", 7) ||
3818 !strncasecmp (s
, ",tsv,db", 7))
3823 else if (!strncasecmp (s
, ",db", 3))
3831 /* Set doubleword borrow bit. */
3833 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3835 /* Handle 32 bit borrow for SUB. */
3838 if (!strncasecmp (s
, ",b,tsv", 6) ||
3839 !strncasecmp (s
, ",tsv,b", 6))
3844 else if (!strncasecmp (s
, ",b", 2))
3852 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3854 /* Handle trap condition completer for UADDCM. */
3857 if (!strncasecmp (s
, ",tc", 3))
3863 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3865 /* Handle signed/unsigned at 21. */
3869 if (strncasecmp (s
, ",s", 2) == 0)
3874 else if (strncasecmp (s
, ",u", 2) == 0)
3880 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3883 /* Handle left/right combination at 17:18. */
3893 as_bad (_("Invalid left/right combination completer"));
3896 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3899 as_bad (_("Invalid left/right combination completer"));
3902 /* Handle saturation at 24:25. */
3906 if (strncasecmp (s
, ",ss", 3) == 0)
3911 else if (strncasecmp (s
, ",us", 3) == 0)
3917 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3920 /* Handle permutation completer. */
3948 as_bad (_("Invalid permutation completer"));
3950 opcode
|= perm
<< permloc
[i
];
3955 as_bad (_("Invalid permutation completer"));
3963 /* Handle all conditions. */
3969 /* Handle FP compare conditions. */
3971 cond
= pa_parse_fp_cmp_cond (&s
);
3972 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3974 /* Handle an add condition. */
3977 If we don't have a ",*" condition or "dc" completer,
3978 then we have a doubleword carry match failure. */
3979 if (*s
!= ',' && !(opcode
& 0x20))
3991 /* 64 bit conditions. */
4003 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4007 if (strcmp (name
, "=") == 0)
4009 else if (strcmp (name
, "<") == 0)
4011 else if (strcmp (name
, "<=") == 0)
4013 else if (strcasecmp (name
, "nuv") == 0)
4015 else if (strcasecmp (name
, "znv") == 0)
4017 else if (strcasecmp (name
, "sv") == 0)
4019 else if (strcasecmp (name
, "od") == 0)
4021 else if (strcasecmp (name
, "tr") == 0)
4026 else if (strcmp (name
, "<>") == 0)
4031 else if (strcmp (name
, ">=") == 0)
4036 else if (strcmp (name
, ">") == 0)
4041 else if (strcasecmp (name
, "uv") == 0)
4046 else if (strcasecmp (name
, "vnz") == 0)
4051 else if (strcasecmp (name
, "nsv") == 0)
4056 else if (strcasecmp (name
, "ev") == 0)
4061 /* ",*" is a valid condition. */
4062 else if (*args
== 'a' || *name
)
4063 as_bad (_("Invalid Add Condition: %s"), name
);
4066 opcode
|= cmpltr
<< 13;
4067 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4069 /* Handle non-negated add and branch condition. */
4071 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4074 as_bad (_("Invalid Add and Branch Condition"));
4077 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4079 /* Handle 64 bit wide-mode add and branch condition. */
4081 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4084 as_bad (_("Invalid Add and Branch Condition"));
4089 /* Negated condition requires an opcode change. */
4090 opcode
|= (cmpltr
& 8) << 24;
4092 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4094 /* Handle a negated or non-negated add and branch
4098 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4102 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4105 as_bad (_("Invalid Compare/Subtract Condition"));
4110 /* Negated condition requires an opcode change. */
4114 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4116 /* Handle branch on bit conditions. */
4134 if (strncmp (s
, "<", 1) == 0)
4139 else if (strncmp (s
, ">=", 2) == 0)
4145 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
4147 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4149 /* Handle a compare/subtract condition. */
4152 If we don't have a ",*" condition or "dc" completer,
4153 then we have a doubleword carry match failure. */
4154 if (*s
!= ',' && !(opcode
& 0x20))
4166 /* 64 bit conditions. */
4178 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4182 if (strcmp (name
, "=") == 0)
4184 else if (strcmp (name
, "<") == 0)
4186 else if (strcmp (name
, "<=") == 0)
4188 else if (strcasecmp (name
, "<<") == 0)
4190 else if (strcasecmp (name
, "<<=") == 0)
4192 else if (strcasecmp (name
, "sv") == 0)
4194 else if (strcasecmp (name
, "od") == 0)
4196 else if (strcasecmp (name
, "tr") == 0)
4201 else if (strcmp (name
, "<>") == 0)
4206 else if (strcmp (name
, ">=") == 0)
4211 else if (strcmp (name
, ">") == 0)
4216 else if (strcasecmp (name
, ">>=") == 0)
4221 else if (strcasecmp (name
, ">>") == 0)
4226 else if (strcasecmp (name
, "nsv") == 0)
4231 else if (strcasecmp (name
, "ev") == 0)
4236 /* ",*" is a valid condition. */
4237 else if (*args
!= 'S' || *name
)
4238 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4242 opcode
|= cmpltr
<< 13;
4243 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4245 /* Handle a non-negated compare condition. */
4247 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4250 as_bad (_("Invalid Compare/Subtract Condition"));
4253 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4255 /* Handle a 32 bit compare and branch condition. */
4258 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4262 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4265 as_bad (_("Invalid Compare and Branch Condition"));
4270 /* Negated condition requires an opcode change. */
4275 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4277 /* Handle a 64 bit compare and branch condition. */
4279 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4282 /* Negated condition requires an opcode change. */
4283 opcode
|= (cmpltr
& 8) << 26;
4286 /* Not a 64 bit cond. Give 32 bit a chance. */
4289 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4291 /* Handle a 64 bit cmpib condition. */
4293 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4295 /* Not a 64 bit cond. Give 32 bit a chance. */
4298 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4300 /* Handle a logical instruction condition. */
4309 /* 64 bit conditions. */
4321 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4326 if (strcmp (name
, "=") == 0)
4328 else if (strcmp (name
, "<") == 0)
4330 else if (strcmp (name
, "<=") == 0)
4332 else if (strcasecmp (name
, "od") == 0)
4334 else if (strcasecmp (name
, "tr") == 0)
4339 else if (strcmp (name
, "<>") == 0)
4344 else if (strcmp (name
, ">=") == 0)
4349 else if (strcmp (name
, ">") == 0)
4354 else if (strcasecmp (name
, "ev") == 0)
4359 /* ",*" is a valid condition. */
4360 else if (*args
!= 'L' || *name
)
4361 as_bad (_("Invalid Logical Instruction Condition."));
4364 opcode
|= cmpltr
<< 13;
4365 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4367 /* Handle a shift/extract/deposit condition. */
4372 /* Check immediate values in shift/extract/deposit
4373 * instructions if they will give undefined behaviour. */
4374 immediate_check
= 1;
4379 /* 64 bit conditions. */
4391 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4395 if (strcmp (name
, "=") == 0)
4397 else if (strcmp (name
, "<") == 0)
4399 else if (strcasecmp (name
, "od") == 0)
4401 else if (strcasecmp (name
, "tr") == 0)
4403 else if (strcmp (name
, "<>") == 0)
4405 else if (strcmp (name
, ">=") == 0)
4407 else if (strcasecmp (name
, "ev") == 0)
4409 /* Handle movb,n. Put things back the way they were.
4410 This includes moving s back to where it started. */
4411 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4417 /* ",*" is a valid condition. */
4418 else if (*args
!= 'X' || *name
)
4419 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4422 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4424 /* Handle a unit instruction condition. */
4433 /* 64 bit conditions. */
4444 if (strncasecmp (s
, "sbz", 3) == 0)
4449 else if (strncasecmp (s
, "shz", 3) == 0)
4454 else if (strncasecmp (s
, "sdc", 3) == 0)
4459 else if (strncasecmp (s
, "sbc", 3) == 0)
4464 else if (strncasecmp (s
, "shc", 3) == 0)
4469 else if (strncasecmp (s
, "tr", 2) == 0)
4475 else if (strncasecmp (s
, "nbz", 3) == 0)
4481 else if (strncasecmp (s
, "nhz", 3) == 0)
4487 else if (strncasecmp (s
, "ndc", 3) == 0)
4493 else if (strncasecmp (s
, "nbc", 3) == 0)
4499 else if (strncasecmp (s
, "nhc", 3) == 0)
4505 else if (strncasecmp (s
, "swz", 3) == 0)
4511 else if (strncasecmp (s
, "swc", 3) == 0)
4517 else if (strncasecmp (s
, "nwz", 3) == 0)
4523 else if (strncasecmp (s
, "nwc", 3) == 0)
4529 /* ",*" is a valid condition. */
4530 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4531 as_bad (_("Invalid Unit Instruction Condition."));
4533 opcode
|= cmpltr
<< 13;
4534 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4542 /* Handle a nullification completer for branch instructions. */
4544 nullif
= pa_parse_nullif (&s
);
4545 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4547 /* Handle a nullification completer for copr and spop insns. */
4549 nullif
= pa_parse_nullif (&s
);
4550 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4552 /* Handle ,%r2 completer for new syntax branches. */
4554 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4556 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4562 /* Handle 3 bit entry into the fp compare array. Valid values
4563 are 0..6 inclusive. */
4567 if (the_insn
.exp
.X_op
== O_constant
)
4569 num
= evaluate_absolute (&the_insn
);
4570 CHECK_FIELD (num
, 6, 0, 0);
4572 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4577 /* Handle 3 bit entry into the fp compare array. Valid values
4578 are 0..6 inclusive. */
4581 if (the_insn
.exp
.X_op
== O_constant
)
4584 num
= evaluate_absolute (&the_insn
);
4585 CHECK_FIELD (num
, 6, 0, 0);
4586 num
= (num
+ 1) ^ 1;
4587 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4592 /* Handle graphics test completers for ftest */
4595 num
= pa_parse_ftest_gfx_completer (&s
);
4596 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4599 /* Handle a 11 bit immediate at 31. */
4601 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4604 if (the_insn
.exp
.X_op
== O_constant
)
4606 num
= evaluate_absolute (&the_insn
);
4607 CHECK_FIELD (num
, 1023, -1024, 0);
4608 num
= low_sign_unext (num
, 11);
4609 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4613 if (is_DP_relative (the_insn
.exp
))
4614 the_insn
.reloc
= R_HPPA_GOTOFF
;
4615 else if (is_PC_relative (the_insn
.exp
))
4616 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4618 else if (is_tls_gdidx (the_insn
.exp
))
4619 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4620 else if (is_tls_ldidx (the_insn
.exp
))
4621 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4622 else if (is_tls_dtpoff (the_insn
.exp
))
4623 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4624 else if (is_tls_ieoff (the_insn
.exp
))
4625 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4626 else if (is_tls_leoff (the_insn
.exp
))
4627 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4630 the_insn
.reloc
= R_HPPA
;
4631 the_insn
.format
= 11;
4635 /* Handle a 14 bit immediate at 31. */
4637 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4640 if (the_insn
.exp
.X_op
== O_constant
)
4644 /* XXX the completer stored away tidbits of information
4645 for us to extract. We need a cleaner way to do this.
4646 Now that we have lots of letters again, it would be
4647 good to rethink this. */
4650 num
= evaluate_absolute (&the_insn
);
4651 if (mb
!= (num
< 0))
4653 CHECK_FIELD (num
, 8191, -8192, 0);
4654 num
= low_sign_unext (num
, 14);
4655 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4659 /* Handle a 14 bit immediate at 31. */
4661 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4664 if (the_insn
.exp
.X_op
== O_constant
)
4670 num
= evaluate_absolute (&the_insn
);
4671 if (mb
== (num
< 0))
4675 CHECK_FIELD (num
, 8191, -8192, 0);
4676 num
= low_sign_unext (num
, 14);
4677 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4681 /* Handle a 16 bit immediate at 31. */
4683 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4686 if (the_insn
.exp
.X_op
== O_constant
)
4692 num
= evaluate_absolute (&the_insn
);
4693 if (mb
!= (num
< 0))
4695 CHECK_FIELD (num
, 32767, -32768, 0);
4696 num
= re_assemble_16 (num
);
4697 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4701 /* Handle a 16 bit immediate at 31. */
4703 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4706 if (the_insn
.exp
.X_op
== O_constant
)
4712 num
= evaluate_absolute (&the_insn
);
4713 if (mb
== (num
< 0))
4717 CHECK_FIELD (num
, 32767, -32768, 0);
4718 num
= re_assemble_16 (num
);
4719 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4723 /* Handle 14 bit immediate, shifted left three times. */
4725 if (bfd_get_mach (stdoutput
) != pa20
)
4727 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4730 if (the_insn
.exp
.X_op
== O_constant
)
4732 num
= evaluate_absolute (&the_insn
);
4735 CHECK_FIELD (num
, 8191, -8192, 0);
4740 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4744 if (is_DP_relative (the_insn
.exp
))
4745 the_insn
.reloc
= R_HPPA_GOTOFF
;
4746 else if (is_PC_relative (the_insn
.exp
))
4747 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4749 else if (is_tls_gdidx (the_insn
.exp
))
4750 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4751 else if (is_tls_ldidx (the_insn
.exp
))
4752 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4753 else if (is_tls_dtpoff (the_insn
.exp
))
4754 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4755 else if (is_tls_ieoff (the_insn
.exp
))
4756 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4757 else if (is_tls_leoff (the_insn
.exp
))
4758 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4761 the_insn
.reloc
= R_HPPA
;
4762 the_insn
.format
= 14;
4767 /* Handle 14 bit immediate, shifted left twice. */
4769 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4772 if (the_insn
.exp
.X_op
== O_constant
)
4774 num
= evaluate_absolute (&the_insn
);
4777 CHECK_FIELD (num
, 8191, -8192, 0);
4782 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4786 if (is_DP_relative (the_insn
.exp
))
4787 the_insn
.reloc
= R_HPPA_GOTOFF
;
4788 else if (is_PC_relative (the_insn
.exp
))
4789 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4791 else if (is_tls_gdidx (the_insn
.exp
))
4792 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4793 else if (is_tls_ldidx (the_insn
.exp
))
4794 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4795 else if (is_tls_dtpoff (the_insn
.exp
))
4796 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4797 else if (is_tls_ieoff (the_insn
.exp
))
4798 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4799 else if (is_tls_leoff (the_insn
.exp
))
4800 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4803 the_insn
.reloc
= R_HPPA
;
4804 the_insn
.format
= 14;
4808 /* Handle a 14 bit immediate at 31. */
4810 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4813 if (the_insn
.exp
.X_op
== O_constant
)
4815 num
= evaluate_absolute (&the_insn
);
4816 CHECK_FIELD (num
, 8191, -8192, 0);
4817 num
= low_sign_unext (num
, 14);
4818 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4822 if (is_DP_relative (the_insn
.exp
))
4823 the_insn
.reloc
= R_HPPA_GOTOFF
;
4824 else if (is_PC_relative (the_insn
.exp
))
4825 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4827 else if (is_tls_gdidx (the_insn
.exp
))
4828 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4829 else if (is_tls_ldidx (the_insn
.exp
))
4830 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4831 else if (is_tls_dtpoff (the_insn
.exp
))
4832 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4833 else if (is_tls_ieoff (the_insn
.exp
))
4834 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4835 else if (is_tls_leoff (the_insn
.exp
))
4836 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4839 the_insn
.reloc
= R_HPPA
;
4840 the_insn
.format
= 14;
4844 /* Handle a 21 bit immediate at 31. */
4846 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4849 if (the_insn
.exp
.X_op
== O_constant
)
4851 num
= evaluate_absolute (&the_insn
);
4852 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4853 opcode
|= re_assemble_21 (num
);
4858 if (is_DP_relative (the_insn
.exp
))
4859 the_insn
.reloc
= R_HPPA_GOTOFF
;
4860 else if (is_PC_relative (the_insn
.exp
))
4861 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4863 else if (is_tls_gdidx (the_insn
.exp
))
4864 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4865 else if (is_tls_ldidx (the_insn
.exp
))
4866 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4867 else if (is_tls_dtpoff (the_insn
.exp
))
4868 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4869 else if (is_tls_ieoff (the_insn
.exp
))
4870 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4871 else if (is_tls_leoff (the_insn
.exp
))
4872 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4875 the_insn
.reloc
= R_HPPA
;
4876 the_insn
.format
= 21;
4880 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4882 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4885 if (the_insn
.exp
.X_op
== O_constant
)
4887 num
= evaluate_absolute (&the_insn
);
4888 CHECK_FIELD (num
, 32767, -32768, 0);
4889 opcode
|= re_assemble_16 (num
);
4894 /* ??? Is this valid for wide mode? */
4895 if (is_DP_relative (the_insn
.exp
))
4896 the_insn
.reloc
= R_HPPA_GOTOFF
;
4897 else if (is_PC_relative (the_insn
.exp
))
4898 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4900 else if (is_tls_gdidx (the_insn
.exp
))
4901 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4902 else if (is_tls_ldidx (the_insn
.exp
))
4903 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4904 else if (is_tls_dtpoff (the_insn
.exp
))
4905 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4906 else if (is_tls_ieoff (the_insn
.exp
))
4907 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4908 else if (is_tls_leoff (the_insn
.exp
))
4909 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4912 the_insn
.reloc
= R_HPPA
;
4913 the_insn
.format
= 14;
4917 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4919 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4922 if (the_insn
.exp
.X_op
== O_constant
)
4924 num
= evaluate_absolute (&the_insn
);
4925 CHECK_FIELD (num
, 32767, -32768, 0);
4926 CHECK_ALIGN (num
, 4, 0);
4927 opcode
|= re_assemble_16 (num
);
4932 /* ??? Is this valid for wide mode? */
4933 if (is_DP_relative (the_insn
.exp
))
4934 the_insn
.reloc
= R_HPPA_GOTOFF
;
4935 else if (is_PC_relative (the_insn
.exp
))
4936 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4938 else if (is_tls_gdidx (the_insn
.exp
))
4939 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4940 else if (is_tls_ldidx (the_insn
.exp
))
4941 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4942 else if (is_tls_dtpoff (the_insn
.exp
))
4943 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4944 else if (is_tls_ieoff (the_insn
.exp
))
4945 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4946 else if (is_tls_leoff (the_insn
.exp
))
4947 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4950 the_insn
.reloc
= R_HPPA
;
4951 the_insn
.format
= 14;
4955 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4957 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4960 if (the_insn
.exp
.X_op
== O_constant
)
4962 num
= evaluate_absolute (&the_insn
);
4963 CHECK_FIELD (num
, 32767, -32768, 0);
4964 CHECK_ALIGN (num
, 8, 0);
4965 opcode
|= re_assemble_16 (num
);
4970 /* ??? Is this valid for wide mode? */
4971 if (is_DP_relative (the_insn
.exp
))
4972 the_insn
.reloc
= R_HPPA_GOTOFF
;
4973 else if (is_PC_relative (the_insn
.exp
))
4974 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4976 else if (is_tls_gdidx (the_insn
.exp
))
4977 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4978 else if (is_tls_ldidx (the_insn
.exp
))
4979 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4980 else if (is_tls_dtpoff (the_insn
.exp
))
4981 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4982 else if (is_tls_ieoff (the_insn
.exp
))
4983 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4984 else if (is_tls_leoff (the_insn
.exp
))
4985 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4988 the_insn
.reloc
= R_HPPA
;
4989 the_insn
.format
= 14;
4993 /* Handle a 12 bit branch displacement. */
4995 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4999 if (!the_insn
.exp
.X_add_symbol
5000 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5003 num
= evaluate_absolute (&the_insn
);
5006 as_bad (_("Branch to unaligned address"));
5009 if (the_insn
.exp
.X_add_symbol
)
5011 CHECK_FIELD (num
, 8191, -8192, 0);
5012 opcode
|= re_assemble_12 (num
>> 2);
5017 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5018 the_insn
.format
= 12;
5019 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5020 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5025 /* Handle a 17 bit branch displacement. */
5027 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5031 if (!the_insn
.exp
.X_add_symbol
5032 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5035 num
= evaluate_absolute (&the_insn
);
5038 as_bad (_("Branch to unaligned address"));
5041 if (the_insn
.exp
.X_add_symbol
)
5043 CHECK_FIELD (num
, 262143, -262144, 0);
5044 opcode
|= re_assemble_17 (num
>> 2);
5049 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5050 the_insn
.format
= 17;
5051 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5052 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5056 /* Handle a 22 bit branch displacement. */
5058 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5062 if (!the_insn
.exp
.X_add_symbol
5063 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5066 num
= evaluate_absolute (&the_insn
);
5069 as_bad (_("Branch to unaligned address"));
5072 if (the_insn
.exp
.X_add_symbol
)
5074 CHECK_FIELD (num
, 8388607, -8388608, 0);
5075 opcode
|= re_assemble_22 (num
>> 2);
5079 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5080 the_insn
.format
= 22;
5081 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5082 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5086 /* Handle an absolute 17 bit branch target. */
5088 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5092 if (!the_insn
.exp
.X_add_symbol
5093 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5096 num
= evaluate_absolute (&the_insn
);
5099 as_bad (_("Branch to unaligned address"));
5102 if (the_insn
.exp
.X_add_symbol
)
5104 CHECK_FIELD (num
, 262143, -262144, 0);
5105 opcode
|= re_assemble_17 (num
>> 2);
5110 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5111 the_insn
.format
= 17;
5112 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5113 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5117 /* Handle '%r1' implicit operand of addil instruction. */
5119 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5120 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5128 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5130 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5135 /* Handle immediate value of 0 for ordered load/store instructions. */
5142 /* Handle a 2 bit shift count at 25. */
5144 num
= pa_get_absolute_expression (&the_insn
, &s
);
5145 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5148 CHECK_FIELD (num
, 3, 1, strict
);
5149 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5151 /* Handle a 4 bit shift count at 25. */
5153 num
= pa_get_absolute_expression (&the_insn
, &s
);
5154 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5157 CHECK_FIELD (num
, 15, 0, strict
);
5158 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5160 /* Handle a 5 bit shift count at 26. */
5162 num
= pa_get_absolute_expression (&the_insn
, &s
);
5163 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5166 CHECK_FIELD (num
, 31, 0, strict
);
5167 SAVE_IMMEDIATE(num
);
5168 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5170 /* Handle a 6 bit shift count at 20,22:26. */
5172 num
= pa_get_absolute_expression (&the_insn
, &s
);
5173 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5176 CHECK_FIELD (num
, 63, 0, strict
);
5177 SAVE_IMMEDIATE(num
);
5179 opcode
|= (num
& 0x20) << 6;
5180 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5182 /* Handle a 6 bit field length at 23,27:31. */
5185 num
= pa_get_absolute_expression (&the_insn
, &s
);
5186 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5189 CHECK_FIELD (num
, 64, 1, strict
);
5190 SAVE_IMMEDIATE(num
);
5192 opcode
|= (num
& 0x20) << 3;
5193 num
= 31 - (num
& 0x1f);
5194 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5196 /* Handle a 6 bit field length at 19,27:31. */
5198 num
= pa_get_absolute_expression (&the_insn
, &s
);
5199 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5202 CHECK_FIELD (num
, 64, 1, strict
);
5203 SAVE_IMMEDIATE(num
);
5205 opcode
|= (num
& 0x20) << 7;
5206 num
= 31 - (num
& 0x1f);
5207 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5209 /* Handle a 5 bit bit position at 26. */
5211 num
= pa_get_absolute_expression (&the_insn
, &s
);
5212 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5215 CHECK_FIELD (num
, 31, 0, strict
);
5216 SAVE_IMMEDIATE(num
);
5217 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5219 /* Handle a 6 bit bit position at 20,22:26. */
5221 num
= pa_get_absolute_expression (&the_insn
, &s
);
5222 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5225 CHECK_FIELD (num
, 63, 0, strict
);
5226 SAVE_IMMEDIATE(num
);
5227 opcode
|= (num
& 0x20) << 6;
5228 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5230 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5231 of the high bit of the immediate. */
5233 num
= pa_get_absolute_expression (&the_insn
, &s
);
5234 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5237 CHECK_FIELD (num
, 63, 0, strict
);
5241 opcode
|= (1 << 13);
5242 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5244 /* Handle a 5 bit immediate at 10. */
5246 num
= pa_get_absolute_expression (&the_insn
, &s
);
5247 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5250 CHECK_FIELD (num
, 31, 0, strict
);
5251 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5253 /* Handle a 9 bit immediate at 28. */
5255 num
= pa_get_absolute_expression (&the_insn
, &s
);
5256 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5259 CHECK_FIELD (num
, 511, 1, strict
);
5260 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5262 /* Handle a 13 bit immediate at 18. */
5264 num
= pa_get_absolute_expression (&the_insn
, &s
);
5265 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5268 CHECK_FIELD (num
, 8191, 0, strict
);
5269 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5271 /* Handle a 26 bit immediate at 31. */
5273 num
= pa_get_absolute_expression (&the_insn
, &s
);
5274 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5277 CHECK_FIELD (num
, 67108863, 0, strict
);
5278 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5280 /* Handle a 3 bit SFU identifier at 25. */
5283 as_bad (_("Invalid SFU identifier"));
5284 num
= pa_get_absolute_expression (&the_insn
, &s
);
5285 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5288 CHECK_FIELD (num
, 7, 0, strict
);
5289 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5291 /* Handle a 20 bit SOP field for spop0. */
5293 num
= pa_get_absolute_expression (&the_insn
, &s
);
5294 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5297 CHECK_FIELD (num
, 1048575, 0, strict
);
5298 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5299 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5301 /* Handle a 15bit SOP field for spop1. */
5303 num
= pa_get_absolute_expression (&the_insn
, &s
);
5304 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5307 CHECK_FIELD (num
, 32767, 0, strict
);
5308 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5310 /* Handle a 10bit SOP field for spop3. */
5312 num
= pa_get_absolute_expression (&the_insn
, &s
);
5313 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5316 CHECK_FIELD (num
, 1023, 0, strict
);
5317 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5318 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5320 /* Handle a 15 bit SOP field for spop2. */
5322 num
= pa_get_absolute_expression (&the_insn
, &s
);
5323 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5326 CHECK_FIELD (num
, 32767, 0, strict
);
5327 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5328 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5330 /* Handle a 3-bit co-processor ID field. */
5333 as_bad (_("Invalid COPR identifier"));
5334 num
= pa_get_absolute_expression (&the_insn
, &s
);
5335 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5338 CHECK_FIELD (num
, 7, 0, strict
);
5339 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5341 /* Handle a 22bit SOP field for copr. */
5343 num
= pa_get_absolute_expression (&the_insn
, &s
);
5344 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5347 CHECK_FIELD (num
, 4194303, 0, strict
);
5348 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5349 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5351 /* Handle a source FP operand format completer. */
5353 if (*s
== ',' && *(s
+1) == 't')
5360 flag
= pa_parse_fp_cnv_format (&s
);
5361 the_insn
.fpof1
= flag
;
5362 if (flag
== W
|| flag
== UW
)
5364 if (flag
== DW
|| flag
== UDW
)
5366 if (flag
== QW
|| flag
== UQW
)
5368 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5370 /* Handle a destination FP operand format completer. */
5372 /* pa_parse_format needs the ',' prefix. */
5374 flag
= pa_parse_fp_cnv_format (&s
);
5375 the_insn
.fpof2
= flag
;
5376 if (flag
== W
|| flag
== UW
)
5378 if (flag
== DW
|| flag
== UDW
)
5380 if (flag
== QW
|| flag
== UQW
)
5382 opcode
|= flag
<< 13;
5383 if (the_insn
.fpof1
== SGL
5384 || the_insn
.fpof1
== DBL
5385 || the_insn
.fpof1
== QUAD
)
5387 if (the_insn
.fpof2
== SGL
5388 || the_insn
.fpof2
== DBL
5389 || the_insn
.fpof2
== QUAD
)
5391 else if (the_insn
.fpof2
== W
5392 || the_insn
.fpof2
== DW
5393 || the_insn
.fpof2
== QW
)
5395 else if (the_insn
.fpof2
== UW
5396 || the_insn
.fpof2
== UDW
5397 || the_insn
.fpof2
== UQW
)
5402 else if (the_insn
.fpof1
== W
5403 || the_insn
.fpof1
== DW
5404 || the_insn
.fpof1
== QW
)
5406 if (the_insn
.fpof2
== SGL
5407 || the_insn
.fpof2
== DBL
5408 || the_insn
.fpof2
== QUAD
)
5413 else if (the_insn
.fpof1
== UW
5414 || the_insn
.fpof1
== UDW
5415 || the_insn
.fpof1
== UQW
)
5417 if (the_insn
.fpof2
== SGL
5418 || the_insn
.fpof2
== DBL
5419 || the_insn
.fpof2
== QUAD
)
5424 flag
|= the_insn
.trunc
;
5425 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5427 /* Handle a source FP operand format completer. */
5429 flag
= pa_parse_fp_format (&s
);
5430 the_insn
.fpof1
= flag
;
5431 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5433 /* Handle a destination FP operand format completer. */
5435 /* pa_parse_format needs the ',' prefix. */
5437 flag
= pa_parse_fp_format (&s
);
5438 the_insn
.fpof2
= flag
;
5439 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5441 /* Handle a source FP operand format completer at 20. */
5443 flag
= pa_parse_fp_format (&s
);
5444 the_insn
.fpof1
= flag
;
5445 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5447 /* Handle a floating point operand format at 26.
5448 Only allows single and double precision. */
5450 flag
= pa_parse_fp_format (&s
);
5456 the_insn
.fpof1
= flag
;
5462 as_bad (_("Invalid Floating Point Operand Format."));
5466 /* Handle all floating point registers. */
5470 /* Float target register. */
5472 if (!pa_parse_number (&s
, 3))
5474 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5475 CHECK_FIELD (num
, 31, 0, 0);
5476 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5478 /* Float target register with L/R selection. */
5481 if (!pa_parse_number (&s
, 1))
5483 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5484 CHECK_FIELD (num
, 31, 0, 0);
5487 /* 0x30 opcodes are FP arithmetic operation opcodes
5488 and need to be turned into 0x38 opcodes. This
5489 is not necessary for loads/stores. */
5490 if (need_pa11_opcode ()
5491 && ((opcode
& 0xfc000000) == 0x30000000))
5494 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5498 /* Float operand 1. */
5501 if (!pa_parse_number (&s
, 1))
5503 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5504 CHECK_FIELD (num
, 31, 0, 0);
5505 opcode
|= num
<< 21;
5506 if (need_pa11_opcode ())
5508 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5514 /* Float operand 1 with L/R selection. */
5518 if (!pa_parse_number (&s
, 1))
5520 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5521 CHECK_FIELD (num
, 31, 0, 0);
5522 opcode
|= num
<< 21;
5523 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5527 /* Float operand 2. */
5530 if (!pa_parse_number (&s
, 1))
5532 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5533 CHECK_FIELD (num
, 31, 0, 0);
5534 opcode
|= num
<< 16;
5535 if (need_pa11_opcode ())
5537 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5543 /* Float operand 2 with L/R selection. */
5546 if (!pa_parse_number (&s
, 1))
5548 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5549 CHECK_FIELD (num
, 31, 0, 0);
5550 opcode
|= num
<< 16;
5551 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5555 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5558 if (!pa_parse_number (&s
, 1))
5560 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5561 CHECK_FIELD (num
, 31, 0, 0);
5562 opcode
|= (num
& 0x1c) << 11;
5563 opcode
|= (num
& 0x03) << 9;
5564 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5568 /* Float mult operand 1 for fmpyadd, fmpysub */
5571 if (!pa_parse_number (&s
, 1))
5573 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5574 CHECK_FIELD (num
, 31, 0, 0);
5575 if (the_insn
.fpof1
== SGL
)
5579 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5583 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5585 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5588 /* Float mult operand 2 for fmpyadd, fmpysub */
5591 if (!pa_parse_number (&s
, 1))
5593 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5594 CHECK_FIELD (num
, 31, 0, 0);
5595 if (the_insn
.fpof1
== SGL
)
5599 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5603 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5605 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5608 /* Float mult target for fmpyadd, fmpysub */
5611 if (!pa_parse_number (&s
, 1))
5613 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5614 CHECK_FIELD (num
, 31, 0, 0);
5615 if (the_insn
.fpof1
== SGL
)
5619 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5623 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5625 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5628 /* Float add operand 1 for fmpyadd, fmpysub */
5631 if (!pa_parse_number (&s
, 1))
5633 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5634 CHECK_FIELD (num
, 31, 0, 0);
5635 if (the_insn
.fpof1
== SGL
)
5639 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5643 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5645 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5648 /* Float add target for fmpyadd, fmpysub */
5651 if (!pa_parse_number (&s
, 1))
5653 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5654 CHECK_FIELD (num
, 31, 0, 0);
5655 if (the_insn
.fpof1
== SGL
)
5659 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5663 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5665 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5668 /* Handle L/R register halves like 'x'. */
5672 if (!pa_parse_number (&s
, 1))
5674 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5675 CHECK_FIELD (num
, 31, 0, 0);
5676 opcode
|= num
<< 16;
5677 if (need_pa11_opcode ())
5679 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5684 /* Float target register (PA 2.0 wide). */
5686 if (!pa_parse_number (&s
, 3))
5688 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5689 CHECK_FIELD (num
, 31, 0, 0);
5690 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5703 /* If this instruction is specific to a particular architecture,
5704 then set a new architecture. This automatic promotion crud is
5705 for compatibility with HP's old assemblers only. */
5707 && bfd_get_mach (stdoutput
) < insn
->arch
5708 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5710 as_warn (_("could not update architecture and machine"));
5715 /* Check if the args matched. */
5718 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5719 && !strcmp (insn
->name
, insn
[1].name
))
5727 as_bad (_("Invalid operands %s"), error_message
);
5734 if (immediate_check
)
5736 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5737 as_warn (_("Immediates %d and %d will give undefined behavior."),
5741 the_insn
.opcode
= opcode
;
5744 /* Assemble a single instruction storing it into a frag. */
5747 md_assemble (char *str
)
5751 /* The had better be something to assemble. */
5754 /* If we are within a procedure definition, make sure we've
5755 defined a label for the procedure; handle case where the
5756 label was defined after the .PROC directive.
5758 Note there's not need to diddle with the segment or fragment
5759 for the label symbol in this case. We have already switched
5760 into the new $CODE$ subspace at this point. */
5761 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5763 label_symbol_struct
*label_symbol
= pa_get_label ();
5767 if (label_symbol
->lss_label
)
5769 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5770 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5773 /* Also handle allocation of a fixup to hold the unwind
5774 information when the label appears after the proc/procend. */
5775 if (within_entry_exit
)
5780 where
= frag_more (0);
5781 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5782 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5783 NULL
, (offsetT
) 0, NULL
,
5784 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5789 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5792 as_bad (_("Missing function name for .PROC"));
5795 /* Assemble the instruction. Results are saved into "the_insn". */
5798 /* Get somewhere to put the assembled instruction. */
5801 /* Output the opcode. */
5802 md_number_to_chars (to
, the_insn
.opcode
, 4);
5804 /* If necessary output more stuff. */
5805 if (the_insn
.reloc
!= R_HPPA_NONE
)
5806 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5807 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5808 the_insn
.reloc
, the_insn
.field_selector
,
5809 the_insn
.format
, the_insn
.arg_reloc
, 0);
5812 dwarf2_emit_insn (4);
5817 /* Handle an alignment directive. Special so that we can update the
5818 alignment of the subspace if necessary. */
5820 pa_align (int bytes
)
5822 /* We must have a valid space and subspace. */
5823 pa_check_current_space_and_subspace ();
5825 /* Let the generic gas code do most of the work. */
5826 s_align_bytes (bytes
);
5828 /* If bytes is a power of 2, then update the current subspace's
5829 alignment if necessary. */
5830 if (exact_log2 (bytes
) != -1)
5831 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5835 /* Handle a .BLOCK type pseudo-op. */
5838 pa_block (int z ATTRIBUTE_UNUSED
)
5840 unsigned int temp_size
;
5843 /* We must have a valid space and subspace. */
5844 pa_check_current_space_and_subspace ();
5847 temp_size
= get_absolute_expression ();
5849 if (temp_size
> 0x3FFFFFFF)
5851 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5856 /* Always fill with zeros, that's what the HP assembler does. */
5857 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5861 pa_undefine_label ();
5862 demand_empty_rest_of_line ();
5865 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5868 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5872 /* The BRTAB relocations are only available in SOM (to denote
5873 the beginning and end of branch tables). */
5874 char *where
= frag_more (0);
5876 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5877 NULL
, (offsetT
) 0, NULL
,
5878 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5882 demand_empty_rest_of_line ();
5885 /* Handle a .begin_try and .end_try pseudo-op. */
5888 pa_try (int begin ATTRIBUTE_UNUSED
)
5892 char *where
= frag_more (0);
5897 /* The TRY relocations are only available in SOM (to denote
5898 the beginning and end of exception handling regions). */
5900 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5901 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5902 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5906 demand_empty_rest_of_line ();
5909 /* Do the dirty work of building a call descriptor which describes
5910 where the caller placed arguments to a function call. */
5913 pa_call_args (struct call_desc
*call_desc
)
5916 unsigned int temp
, arg_reloc
;
5918 while (!is_end_of_statement ())
5920 name
= input_line_pointer
;
5921 c
= get_symbol_end ();
5922 /* Process a source argument. */
5923 if ((strncasecmp (name
, "argw", 4) == 0))
5925 temp
= atoi (name
+ 4);
5926 p
= input_line_pointer
;
5928 input_line_pointer
++;
5929 name
= input_line_pointer
;
5930 c
= get_symbol_end ();
5931 arg_reloc
= pa_build_arg_reloc (name
);
5932 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5934 /* Process a return value. */
5935 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5937 p
= input_line_pointer
;
5939 input_line_pointer
++;
5940 name
= input_line_pointer
;
5941 c
= get_symbol_end ();
5942 arg_reloc
= pa_build_arg_reloc (name
);
5943 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5947 as_bad (_("Invalid .CALL argument: %s"), name
);
5949 p
= input_line_pointer
;
5951 if (!is_end_of_statement ())
5952 input_line_pointer
++;
5956 /* Handle a .CALL pseudo-op. This involves storing away information
5957 about where arguments are to be found so the linker can detect
5958 (and correct) argument location mismatches between caller and callee. */
5961 pa_call (int unused ATTRIBUTE_UNUSED
)
5964 /* We must have a valid space and subspace. */
5965 pa_check_current_space_and_subspace ();
5968 pa_call_args (&last_call_desc
);
5969 demand_empty_rest_of_line ();
5973 /* Build an entry in the UNWIND subspace from the given function
5974 attributes in CALL_INFO. This is not needed for SOM as using
5975 R_ENTRY and R_EXIT relocations allow the linker to handle building
5976 of the unwind spaces. */
5979 pa_build_unwind_subspace (struct call_info
*call_info
)
5981 asection
*seg
, *save_seg
;
5982 subsegT save_subseg
;
5983 unsigned int unwind
;
5988 if ((bfd_get_section_flags (stdoutput
, now_seg
)
5989 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5990 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5993 if (call_info
->start_symbol
== NULL
)
5994 /* This can happen if there were errors earlier on in the assembly. */
5997 /* Replace the start symbol with a local symbol that will be reduced
5998 to a section offset. This avoids problems with weak functions with
5999 multiple definitions, etc. */
6000 name
= xmalloc (strlen ("L$\001start_")
6001 + strlen (S_GET_NAME (call_info
->start_symbol
))
6003 strcpy (name
, "L$\001start_");
6004 strcat (name
, S_GET_NAME (call_info
->start_symbol
));
6006 /* If we have a .procend preceded by a .exit, then the symbol will have
6007 already been defined. In that case, we don't want another unwind
6009 symbolP
= symbol_find (name
);
6017 symbolP
= symbol_new (name
, now_seg
,
6018 S_GET_VALUE (call_info
->start_symbol
), frag_now
);
6019 gas_assert (symbolP
);
6020 S_CLEAR_EXTERNAL (symbolP
);
6021 symbol_table_insert (symbolP
);
6024 reloc
= R_PARISC_SEGREL32
;
6026 save_subseg
= now_subseg
;
6027 /* Get into the right seg/subseg. This may involve creating
6028 the seg the first time through. Make sure to have the
6029 old seg/subseg so that we can reset things when we are done. */
6030 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6031 if (seg
== ASEC_NULL
)
6033 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6034 bfd_set_section_flags (stdoutput
, seg
,
6035 SEC_READONLY
| SEC_HAS_CONTENTS
6036 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6037 bfd_set_section_alignment (stdoutput
, seg
, 2);
6040 subseg_set (seg
, 0);
6042 /* Get some space to hold relocation information for the unwind
6046 /* Relocation info. for start offset of the function. */
6047 md_number_to_chars (p
, 0, 4);
6048 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6049 symbolP
, (offsetT
) 0,
6050 (expressionS
*) NULL
, 0, reloc
,
6053 /* Relocation info. for end offset of the function.
6055 Because we allow reductions of 32bit relocations for ELF, this will be
6056 reduced to section_sym + offset which avoids putting the temporary
6057 symbol into the symbol table. It (should) end up giving the same
6058 value as call_info->start_symbol + function size once the linker is
6059 finished with its work. */
6060 md_number_to_chars (p
+ 4, 0, 4);
6061 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6062 call_info
->end_symbol
, (offsetT
) 0,
6063 (expressionS
*) NULL
, 0, reloc
,
6066 /* Dump the descriptor. */
6067 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6068 md_number_to_chars (p
+ 8, unwind
, 4);
6070 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6071 md_number_to_chars (p
+ 12, unwind
, 4);
6073 /* Return back to the original segment/subsegment. */
6074 subseg_set (save_seg
, save_subseg
);
6078 /* Process a .CALLINFO pseudo-op. This information is used later
6079 to build unwind descriptors and maybe one day to support
6080 .ENTER and .LEAVE. */
6083 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6089 /* We must have a valid space and subspace. */
6090 pa_check_current_space_and_subspace ();
6093 /* .CALLINFO must appear within a procedure definition. */
6094 if (!within_procedure
)
6095 as_bad (_(".callinfo is not within a procedure definition"));
6097 /* Mark the fact that we found the .CALLINFO for the
6098 current procedure. */
6099 callinfo_found
= TRUE
;
6101 /* Iterate over the .CALLINFO arguments. */
6102 while (!is_end_of_statement ())
6104 name
= input_line_pointer
;
6105 c
= get_symbol_end ();
6106 /* Frame size specification. */
6107 if ((strncasecmp (name
, "frame", 5) == 0))
6109 p
= input_line_pointer
;
6111 input_line_pointer
++;
6112 temp
= get_absolute_expression ();
6113 if ((temp
& 0x3) != 0)
6115 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6119 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6120 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6123 /* Entry register (GR, GR and SR) specifications. */
6124 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6126 p
= input_line_pointer
;
6128 input_line_pointer
++;
6129 temp
= get_absolute_expression ();
6130 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6131 even though %r19 is caller saved. I think this is a bug in
6132 the HP assembler, and we are not going to emulate it. */
6133 if (temp
< 3 || temp
> 18)
6134 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6135 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6137 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6139 p
= input_line_pointer
;
6141 input_line_pointer
++;
6142 temp
= get_absolute_expression ();
6143 /* Similarly the HP assembler takes 31 as the high bound even
6144 though %fr21 is the last callee saved floating point register. */
6145 if (temp
< 12 || temp
> 21)
6146 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6147 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6149 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6151 p
= input_line_pointer
;
6153 input_line_pointer
++;
6154 temp
= get_absolute_expression ();
6156 as_bad (_("Value for ENTRY_SR must be 3\n"));
6158 /* Note whether or not this function performs any calls. */
6159 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6160 (strncasecmp (name
, "caller", 6) == 0))
6162 p
= input_line_pointer
;
6165 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6167 p
= input_line_pointer
;
6170 /* Should RP be saved into the stack. */
6171 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6173 p
= input_line_pointer
;
6175 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6177 /* Likewise for SP. */
6178 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6180 p
= input_line_pointer
;
6182 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6184 /* Is this an unwindable procedure. If so mark it so
6185 in the unwind descriptor. */
6186 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6188 p
= input_line_pointer
;
6190 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6192 /* Is this an interrupt routine. If so mark it in the
6193 unwind descriptor. */
6194 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6196 p
= input_line_pointer
;
6198 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6200 /* Is this a millicode routine. "millicode" isn't in my
6201 assembler manual, but my copy is old. The HP assembler
6202 accepts it, and there's a place in the unwind descriptor
6203 to drop the information, so we'll accept it too. */
6204 else if ((strncasecmp (name
, "millicode", 9) == 0))
6206 p
= input_line_pointer
;
6208 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6212 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6213 *input_line_pointer
= c
;
6215 if (!is_end_of_statement ())
6216 input_line_pointer
++;
6219 demand_empty_rest_of_line ();
6222 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6223 /* Switch to the text space. Like s_text, but delete our
6224 label when finished. */
6227 pa_text (int unused ATTRIBUTE_UNUSED
)
6230 current_space
= is_defined_space ("$TEXT$");
6232 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6236 pa_undefine_label ();
6239 /* Switch to the data space. As usual delete our label. */
6242 pa_data (int unused ATTRIBUTE_UNUSED
)
6245 current_space
= is_defined_space ("$PRIVATE$");
6247 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6250 pa_undefine_label ();
6253 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6254 the .comm pseudo-op has the following syntax:
6256 <label> .comm <length>
6258 where <label> is optional and is a symbol whose address will be the start of
6259 a block of memory <length> bytes long. <length> must be an absolute
6260 expression. <length> bytes will be allocated in the current space
6263 Also note the label may not even be on the same line as the .comm.
6265 This difference in syntax means the colon function will be called
6266 on the symbol before we arrive in pa_comm. colon will set a number
6267 of attributes of the symbol that need to be fixed here. In particular
6268 the value, section pointer, fragment pointer, flags, etc. What
6271 This also makes error detection all but impossible. */
6274 pa_comm (int unused ATTRIBUTE_UNUSED
)
6278 label_symbol_struct
*label_symbol
= pa_get_label ();
6281 symbol
= label_symbol
->lss_label
;
6286 size
= get_absolute_expression ();
6290 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6291 S_SET_VALUE (symbol
, size
);
6292 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6293 S_SET_EXTERNAL (symbol
);
6295 /* colon() has already set the frag to the current location in the
6296 current subspace; we need to reset the fragment to the zero address
6297 fragment. We also need to reset the segment pointer. */
6298 symbol_set_frag (symbol
, &zero_address_frag
);
6300 demand_empty_rest_of_line ();
6302 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6304 /* Process a .END pseudo-op. */
6307 pa_end (int unused ATTRIBUTE_UNUSED
)
6309 demand_empty_rest_of_line ();
6312 /* Process a .ENTER pseudo-op. This is not supported. */
6315 pa_enter (int unused ATTRIBUTE_UNUSED
)
6318 /* We must have a valid space and subspace. */
6319 pa_check_current_space_and_subspace ();
6322 as_bad (_("The .ENTER pseudo-op is not supported"));
6323 demand_empty_rest_of_line ();
6326 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6330 pa_entry (int unused ATTRIBUTE_UNUSED
)
6333 /* We must have a valid space and subspace. */
6334 pa_check_current_space_and_subspace ();
6337 if (!within_procedure
)
6338 as_bad (_("Misplaced .entry. Ignored."));
6341 if (!callinfo_found
)
6342 as_bad (_("Missing .callinfo."));
6344 demand_empty_rest_of_line ();
6345 within_entry_exit
= TRUE
;
6348 /* SOM defers building of unwind descriptors until the link phase.
6349 The assembler is responsible for creating an R_ENTRY relocation
6350 to mark the beginning of a region and hold the unwind bits, and
6351 for creating an R_EXIT relocation to mark the end of the region.
6353 FIXME. ELF should be using the same conventions! The problem
6354 is an unwind requires too much relocation space. Hmmm. Maybe
6355 if we split the unwind bits up between the relocations which
6356 denote the entry and exit points. */
6357 if (last_call_info
->start_symbol
!= NULL
)
6362 where
= frag_more (0);
6363 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6364 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6365 NULL
, (offsetT
) 0, NULL
,
6366 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6371 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6372 being able to subtract two register symbols that specify a range of
6373 registers, to get the size of the range. */
6374 static int fudge_reg_expressions
;
6377 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6378 operatorT op ATTRIBUTE_UNUSED
,
6379 expressionS
*rightP
)
6381 if (fudge_reg_expressions
6382 && rightP
->X_op
== O_register
6383 && resultP
->X_op
== O_register
)
6385 rightP
->X_op
= O_constant
;
6386 resultP
->X_op
= O_constant
;
6388 return 0; /* Continue normal expr handling. */
6391 /* Handle a .EQU pseudo-op. */
6396 label_symbol_struct
*label_symbol
= pa_get_label ();
6401 symbol
= label_symbol
->lss_label
;
6405 if (!pa_parse_number (&input_line_pointer
, 0))
6406 as_bad (_(".REG expression must be a register"));
6407 S_SET_VALUE (symbol
, pa_number
);
6408 S_SET_SEGMENT (symbol
, reg_section
);
6415 fudge_reg_expressions
= 1;
6416 seg
= expression (&exp
);
6417 fudge_reg_expressions
= 0;
6418 if (exp
.X_op
!= O_constant
6419 && exp
.X_op
!= O_register
)
6421 if (exp
.X_op
!= O_absent
)
6422 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6423 exp
.X_add_number
= 0;
6424 seg
= absolute_section
;
6426 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6427 S_SET_SEGMENT (symbol
, seg
);
6433 as_bad (_(".REG must use a label"));
6435 as_bad (_(".EQU must use a label"));
6438 pa_undefine_label ();
6439 demand_empty_rest_of_line ();
6443 /* Mark the end of a function so that it's possible to compute
6444 the size of the function in elf_hppa_final_processing. */
6447 hppa_elf_mark_end_of_function (void)
6449 /* ELF does not have EXIT relocations. All we do is create a
6450 temporary symbol marking the end of the function. */
6453 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6455 /* We have already warned about a missing label,
6456 or other problems. */
6460 name
= xmalloc (strlen ("L$\001end_")
6461 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
6467 strcpy (name
, "L$\001end_");
6468 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6470 /* If we have a .exit followed by a .procend, then the
6471 symbol will have already been defined. */
6472 symbolP
= symbol_find (name
);
6475 /* The symbol has already been defined! This can
6476 happen if we have a .exit followed by a .procend.
6478 This is *not* an error. All we want to do is free
6479 the memory we just allocated for the name and continue. */
6484 /* symbol value should be the offset of the
6485 last instruction of the function */
6486 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6489 gas_assert (symbolP
);
6490 S_CLEAR_EXTERNAL (symbolP
);
6491 symbol_table_insert (symbolP
);
6495 last_call_info
->end_symbol
= symbolP
;
6497 as_bad (_("Symbol '%s' could not be created."), name
);
6501 as_bad (_("No memory for symbol name."));
6505 /* Helper function. Does processing for the end of a function. This
6506 usually involves creating some relocations or building special
6507 symbols to mark the end of the function. */
6514 where
= frag_more (0);
6517 /* Mark the end of the function, stuff away the location of the frag
6518 for the end of the function, and finally call pa_build_unwind_subspace
6519 to add an entry in the unwind table. */
6521 hppa_elf_mark_end_of_function ();
6522 pa_build_unwind_subspace (last_call_info
);
6524 /* SOM defers building of unwind descriptors until the link phase.
6525 The assembler is responsible for creating an R_ENTRY relocation
6526 to mark the beginning of a region and hold the unwind bits, and
6527 for creating an R_EXIT relocation to mark the end of the region.
6529 FIXME. ELF should be using the same conventions! The problem
6530 is an unwind requires too much relocation space. Hmmm. Maybe
6531 if we split the unwind bits up between the relocations which
6532 denote the entry and exit points. */
6533 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6535 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6536 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6540 /* Process a .EXIT pseudo-op. */
6543 pa_exit (int unused ATTRIBUTE_UNUSED
)
6546 /* We must have a valid space and subspace. */
6547 pa_check_current_space_and_subspace ();
6550 if (!within_procedure
)
6551 as_bad (_(".EXIT must appear within a procedure"));
6554 if (!callinfo_found
)
6555 as_bad (_("Missing .callinfo"));
6558 if (!within_entry_exit
)
6559 as_bad (_("No .ENTRY for this .EXIT"));
6562 within_entry_exit
= FALSE
;
6567 demand_empty_rest_of_line ();
6570 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6573 pa_type_args (symbolS
*symbolP
, int is_export
)
6576 unsigned int temp
, arg_reloc
;
6577 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6578 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6580 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6582 input_line_pointer
+= 8;
6583 bfdsym
->flags
&= ~BSF_FUNCTION
;
6584 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6585 type
= SYMBOL_TYPE_ABSOLUTE
;
6587 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6589 input_line_pointer
+= 4;
6590 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6591 instead one should be IMPORTing/EXPORTing ENTRY types.
6593 Complain if one tries to EXPORT a CODE type since that's never
6594 done. Both GCC and HP C still try to IMPORT CODE types, so
6595 silently fix them to be ENTRY types. */
6596 if (S_IS_FUNCTION (symbolP
))
6599 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6600 S_GET_NAME (symbolP
));
6602 bfdsym
->flags
|= BSF_FUNCTION
;
6603 type
= SYMBOL_TYPE_ENTRY
;
6607 bfdsym
->flags
&= ~BSF_FUNCTION
;
6608 type
= SYMBOL_TYPE_CODE
;
6611 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6613 input_line_pointer
+= 4;
6614 bfdsym
->flags
&= ~BSF_FUNCTION
;
6615 bfdsym
->flags
|= BSF_OBJECT
;
6616 type
= SYMBOL_TYPE_DATA
;
6618 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6620 input_line_pointer
+= 5;
6621 bfdsym
->flags
|= BSF_FUNCTION
;
6622 type
= SYMBOL_TYPE_ENTRY
;
6624 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6626 input_line_pointer
+= 9;
6627 bfdsym
->flags
|= BSF_FUNCTION
;
6630 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6631 elfsym
->internal_elf_sym
.st_info
=
6632 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6636 type
= SYMBOL_TYPE_MILLICODE
;
6638 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6640 input_line_pointer
+= 6;
6641 bfdsym
->flags
&= ~BSF_FUNCTION
;
6642 type
= SYMBOL_TYPE_PLABEL
;
6644 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6646 input_line_pointer
+= 8;
6647 bfdsym
->flags
|= BSF_FUNCTION
;
6648 type
= SYMBOL_TYPE_PRI_PROG
;
6650 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6652 input_line_pointer
+= 8;
6653 bfdsym
->flags
|= BSF_FUNCTION
;
6654 type
= SYMBOL_TYPE_SEC_PROG
;
6657 /* SOM requires much more information about symbol types
6658 than BFD understands. This is how we get this information
6659 to the SOM BFD backend. */
6660 #ifdef obj_set_symbol_type
6661 obj_set_symbol_type (bfdsym
, (int) type
);
6666 /* Now that the type of the exported symbol has been handled,
6667 handle any argument relocation information. */
6668 while (!is_end_of_statement ())
6670 if (*input_line_pointer
== ',')
6671 input_line_pointer
++;
6672 name
= input_line_pointer
;
6673 c
= get_symbol_end ();
6674 /* Argument sources. */
6675 if ((strncasecmp (name
, "argw", 4) == 0))
6677 p
= input_line_pointer
;
6679 input_line_pointer
++;
6680 temp
= atoi (name
+ 4);
6681 name
= input_line_pointer
;
6682 c
= get_symbol_end ();
6683 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6684 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6685 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6689 *input_line_pointer
= c
;
6691 /* The return value. */
6692 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6694 p
= input_line_pointer
;
6696 input_line_pointer
++;
6697 name
= input_line_pointer
;
6698 c
= get_symbol_end ();
6699 arg_reloc
= pa_build_arg_reloc (name
);
6700 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6701 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6705 *input_line_pointer
= c
;
6707 /* Privilege level. */
6708 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6710 p
= input_line_pointer
;
6712 input_line_pointer
++;
6713 temp
= atoi (input_line_pointer
);
6715 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6717 c
= get_symbol_end ();
6718 *input_line_pointer
= c
;
6722 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6723 p
= input_line_pointer
;
6726 if (!is_end_of_statement ())
6727 input_line_pointer
++;
6731 /* Process a .EXPORT directive. This makes functions external
6732 and provides information such as argument relocation entries
6736 pa_export (int unused ATTRIBUTE_UNUSED
)
6741 name
= input_line_pointer
;
6742 c
= get_symbol_end ();
6743 /* Make sure the given symbol exists. */
6744 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6746 as_bad (_("Cannot define export symbol: %s\n"), name
);
6747 p
= input_line_pointer
;
6749 input_line_pointer
++;
6753 /* OK. Set the external bits and process argument relocations.
6754 For the HP, weak and global are not mutually exclusive.
6755 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6756 Call S_SET_EXTERNAL to get the other processing. Manually
6757 set BSF_GLOBAL when we get back. */
6758 S_SET_EXTERNAL (symbol
);
6759 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6760 p
= input_line_pointer
;
6762 if (!is_end_of_statement ())
6764 input_line_pointer
++;
6765 pa_type_args (symbol
, 1);
6769 demand_empty_rest_of_line ();
6772 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6773 assembly file must either be defined in the assembly file, or
6774 explicitly IMPORTED from another. */
6777 pa_import (int unused ATTRIBUTE_UNUSED
)
6782 name
= input_line_pointer
;
6783 c
= get_symbol_end ();
6785 symbol
= symbol_find (name
);
6786 /* Ugh. We might be importing a symbol defined earlier in the file,
6787 in which case all the code below will really screw things up
6788 (set the wrong segment, symbol flags & type, etc). */
6789 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6791 symbol
= symbol_find_or_make (name
);
6792 p
= input_line_pointer
;
6795 if (!is_end_of_statement ())
6797 input_line_pointer
++;
6798 pa_type_args (symbol
, 0);
6802 /* Sigh. To be compatible with the HP assembler and to help
6803 poorly written assembly code, we assign a type based on
6804 the current segment. Note only BSF_FUNCTION really
6805 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6806 if (now_seg
== text_section
)
6807 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6809 /* If the section is undefined, then the symbol is undefined
6810 Since this is an import, leave the section undefined. */
6811 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6816 /* The symbol was already defined. Just eat everything up to
6817 the end of the current statement. */
6818 while (!is_end_of_statement ())
6819 input_line_pointer
++;
6822 demand_empty_rest_of_line ();
6825 /* Handle a .LABEL pseudo-op. */
6828 pa_label (int unused ATTRIBUTE_UNUSED
)
6832 name
= input_line_pointer
;
6833 c
= get_symbol_end ();
6835 if (strlen (name
) > 0)
6838 p
= input_line_pointer
;
6843 as_warn (_("Missing label name on .LABEL"));
6846 if (!is_end_of_statement ())
6848 as_warn (_("extra .LABEL arguments ignored."));
6849 ignore_rest_of_line ();
6851 demand_empty_rest_of_line ();
6854 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6857 pa_leave (int unused ATTRIBUTE_UNUSED
)
6860 /* We must have a valid space and subspace. */
6861 pa_check_current_space_and_subspace ();
6864 as_bad (_("The .LEAVE pseudo-op is not supported"));
6865 demand_empty_rest_of_line ();
6868 /* Handle a .LEVEL pseudo-op. */
6871 pa_level (int unused ATTRIBUTE_UNUSED
)
6875 level
= input_line_pointer
;
6876 if (strncmp (level
, "1.0", 3) == 0)
6878 input_line_pointer
+= 3;
6879 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6880 as_warn (_("could not set architecture and machine"));
6882 else if (strncmp (level
, "1.1", 3) == 0)
6884 input_line_pointer
+= 3;
6885 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6886 as_warn (_("could not set architecture and machine"));
6888 else if (strncmp (level
, "2.0w", 4) == 0)
6890 input_line_pointer
+= 4;
6891 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6892 as_warn (_("could not set architecture and machine"));
6894 else if (strncmp (level
, "2.0", 3) == 0)
6896 input_line_pointer
+= 3;
6897 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6898 as_warn (_("could not set architecture and machine"));
6902 as_bad (_("Unrecognized .LEVEL argument\n"));
6903 ignore_rest_of_line ();
6905 demand_empty_rest_of_line ();
6908 /* Handle a .ORIGIN pseudo-op. */
6911 pa_origin (int unused ATTRIBUTE_UNUSED
)
6914 /* We must have a valid space and subspace. */
6915 pa_check_current_space_and_subspace ();
6919 pa_undefine_label ();
6922 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6923 is for static functions. FIXME. Should share more code with .EXPORT. */
6926 pa_param (int unused ATTRIBUTE_UNUSED
)
6931 name
= input_line_pointer
;
6932 c
= get_symbol_end ();
6934 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6936 as_bad (_("Cannot define static symbol: %s\n"), name
);
6937 p
= input_line_pointer
;
6939 input_line_pointer
++;
6943 S_CLEAR_EXTERNAL (symbol
);
6944 p
= input_line_pointer
;
6946 if (!is_end_of_statement ())
6948 input_line_pointer
++;
6949 pa_type_args (symbol
, 0);
6953 demand_empty_rest_of_line ();
6956 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6957 of a procedure from a syntactical point of view. */
6960 pa_proc (int unused ATTRIBUTE_UNUSED
)
6962 struct call_info
*call_info
;
6965 /* We must have a valid space and subspace. */
6966 pa_check_current_space_and_subspace ();
6969 if (within_procedure
)
6970 as_fatal (_("Nested procedures"));
6972 /* Reset global variables for new procedure. */
6973 callinfo_found
= FALSE
;
6974 within_procedure
= TRUE
;
6976 /* Create another call_info structure. */
6977 call_info
= xmalloc (sizeof (struct call_info
));
6980 as_fatal (_("Cannot allocate unwind descriptor\n"));
6982 memset (call_info
, 0, sizeof (struct call_info
));
6984 call_info
->ci_next
= NULL
;
6986 if (call_info_root
== NULL
)
6988 call_info_root
= call_info
;
6989 last_call_info
= call_info
;
6993 last_call_info
->ci_next
= call_info
;
6994 last_call_info
= call_info
;
6997 /* set up defaults on call_info structure */
6999 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7000 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7001 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7003 /* If we got a .PROC pseudo-op, we know that the function is defined
7004 locally. Make sure it gets into the symbol table. */
7006 label_symbol_struct
*label_symbol
= pa_get_label ();
7010 if (label_symbol
->lss_label
)
7012 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7013 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7016 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7019 last_call_info
->start_symbol
= NULL
;
7022 demand_empty_rest_of_line ();
7025 /* Process the syntactical end of a procedure. Make sure all the
7026 appropriate pseudo-ops were found within the procedure. */
7029 pa_procend (int unused ATTRIBUTE_UNUSED
)
7032 /* We must have a valid space and subspace. */
7033 pa_check_current_space_and_subspace ();
7036 /* If we are within a procedure definition, make sure we've
7037 defined a label for the procedure; handle case where the
7038 label was defined after the .PROC directive.
7040 Note there's not need to diddle with the segment or fragment
7041 for the label symbol in this case. We have already switched
7042 into the new $CODE$ subspace at this point. */
7043 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7045 label_symbol_struct
*label_symbol
= pa_get_label ();
7049 if (label_symbol
->lss_label
)
7051 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7052 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7055 /* Also handle allocation of a fixup to hold the unwind
7056 information when the label appears after the proc/procend. */
7057 if (within_entry_exit
)
7062 where
= frag_more (0);
7063 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7064 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7065 NULL
, (offsetT
) 0, NULL
,
7066 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7071 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7074 as_bad (_("Missing function name for .PROC"));
7077 if (!within_procedure
)
7078 as_bad (_("misplaced .procend"));
7080 if (!callinfo_found
)
7081 as_bad (_("Missing .callinfo for this procedure"));
7083 if (within_entry_exit
)
7084 as_bad (_("Missing .EXIT for a .ENTRY"));
7087 /* ELF needs to mark the end of each function so that it can compute
7088 the size of the function (apparently its needed in the symbol table). */
7089 hppa_elf_mark_end_of_function ();
7092 within_procedure
= FALSE
;
7093 demand_empty_rest_of_line ();
7094 pa_undefine_label ();
7098 /* If VALUE is an exact power of two between zero and 2^31, then
7099 return log2 (VALUE). Else return -1. */
7102 exact_log2 (int value
)
7106 while ((1 << shift
) != value
&& shift
< 32)
7115 /* Check to make sure we have a valid space and subspace. */
7118 pa_check_current_space_and_subspace (void)
7120 if (current_space
== NULL
)
7121 as_fatal (_("Not in a space.\n"));
7123 if (current_subspace
== NULL
)
7124 as_fatal (_("Not in a subspace.\n"));
7127 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7128 then create a new space entry to hold the information specified
7129 by the parameters to the .SPACE directive. */
7131 static sd_chain_struct
*
7132 pa_parse_space_stmt (char *space_name
, int create_flag
)
7134 char *name
, *ptemp
, c
;
7135 char loadable
, defined
, private, sort
;
7137 asection
*seg
= NULL
;
7138 sd_chain_struct
*space
;
7140 /* Load default values. */
7146 if (strcmp (space_name
, "$TEXT$") == 0)
7148 seg
= pa_def_spaces
[0].segment
;
7149 defined
= pa_def_spaces
[0].defined
;
7150 private = pa_def_spaces
[0].private;
7151 sort
= pa_def_spaces
[0].sort
;
7152 spnum
= pa_def_spaces
[0].spnum
;
7154 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7156 seg
= pa_def_spaces
[1].segment
;
7157 defined
= pa_def_spaces
[1].defined
;
7158 private = pa_def_spaces
[1].private;
7159 sort
= pa_def_spaces
[1].sort
;
7160 spnum
= pa_def_spaces
[1].spnum
;
7163 if (!is_end_of_statement ())
7165 print_errors
= FALSE
;
7166 ptemp
= input_line_pointer
+ 1;
7167 /* First see if the space was specified as a number rather than
7168 as a name. According to the PA assembly manual the rest of
7169 the line should be ignored. */
7171 pa_parse_number (&ptemp
, 0);
7175 input_line_pointer
= ptemp
;
7179 while (!is_end_of_statement ())
7181 input_line_pointer
++;
7182 name
= input_line_pointer
;
7183 c
= get_symbol_end ();
7184 if ((strncasecmp (name
, "spnum", 5) == 0))
7186 *input_line_pointer
= c
;
7187 input_line_pointer
++;
7188 spnum
= get_absolute_expression ();
7190 else if ((strncasecmp (name
, "sort", 4) == 0))
7192 *input_line_pointer
= c
;
7193 input_line_pointer
++;
7194 sort
= get_absolute_expression ();
7196 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7198 *input_line_pointer
= c
;
7201 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7203 *input_line_pointer
= c
;
7206 else if ((strncasecmp (name
, "private", 7) == 0))
7208 *input_line_pointer
= c
;
7213 as_bad (_("Invalid .SPACE argument"));
7214 *input_line_pointer
= c
;
7215 if (!is_end_of_statement ())
7216 input_line_pointer
++;
7220 print_errors
= TRUE
;
7223 if (create_flag
&& seg
== NULL
)
7224 seg
= subseg_new (space_name
, 0);
7226 /* If create_flag is nonzero, then create the new space with
7227 the attributes computed above. Else set the values in
7228 an already existing space -- this can only happen for
7229 the first occurrence of a built-in space. */
7231 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7232 private, sort
, seg
, 1);
7235 space
= is_defined_space (space_name
);
7236 SPACE_SPNUM (space
) = spnum
;
7237 SPACE_DEFINED (space
) = defined
& 1;
7238 SPACE_USER_DEFINED (space
) = 1;
7241 #ifdef obj_set_section_attributes
7242 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7248 /* Handle a .SPACE pseudo-op; this switches the current space to the
7249 given space, creating the new space if necessary. */
7252 pa_space (int unused ATTRIBUTE_UNUSED
)
7254 char *name
, c
, *space_name
, *save_s
;
7255 sd_chain_struct
*sd_chain
;
7257 if (within_procedure
)
7259 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7260 ignore_rest_of_line ();
7264 /* Check for some of the predefined spaces. FIXME: most of the code
7265 below is repeated several times, can we extract the common parts
7266 and place them into a subroutine or something similar? */
7267 /* FIXME Is this (and the next IF stmt) really right?
7268 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7269 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7271 input_line_pointer
+= 6;
7272 sd_chain
= is_defined_space ("$TEXT$");
7273 if (sd_chain
== NULL
)
7274 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7275 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7276 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7278 current_space
= sd_chain
;
7279 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7281 = pa_subsegment_to_subspace (text_section
,
7282 sd_chain
->sd_last_subseg
);
7283 demand_empty_rest_of_line ();
7286 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7288 input_line_pointer
+= 9;
7289 sd_chain
= is_defined_space ("$PRIVATE$");
7290 if (sd_chain
== NULL
)
7291 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7292 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7293 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7295 current_space
= sd_chain
;
7296 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7298 = pa_subsegment_to_subspace (data_section
,
7299 sd_chain
->sd_last_subseg
);
7300 demand_empty_rest_of_line ();
7303 if (!strncasecmp (input_line_pointer
,
7304 GDB_DEBUG_SPACE_NAME
,
7305 strlen (GDB_DEBUG_SPACE_NAME
)))
7307 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7308 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7309 if (sd_chain
== NULL
)
7310 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7311 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7312 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7314 current_space
= sd_chain
;
7317 asection
*gdb_section
7318 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7320 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7322 = pa_subsegment_to_subspace (gdb_section
,
7323 sd_chain
->sd_last_subseg
);
7325 demand_empty_rest_of_line ();
7329 /* It could be a space specified by number. */
7331 save_s
= input_line_pointer
;
7333 pa_parse_number (&input_line_pointer
, 0);
7336 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7338 current_space
= sd_chain
;
7340 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7342 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7343 sd_chain
->sd_last_subseg
);
7344 demand_empty_rest_of_line ();
7349 /* Not a number, attempt to create a new space. */
7351 input_line_pointer
= save_s
;
7352 name
= input_line_pointer
;
7353 c
= get_symbol_end ();
7354 space_name
= xmalloc (strlen (name
) + 1);
7355 strcpy (space_name
, name
);
7356 *input_line_pointer
= c
;
7358 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7359 current_space
= sd_chain
;
7361 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7362 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7363 sd_chain
->sd_last_subseg
);
7364 demand_empty_rest_of_line ();
7368 /* Switch to a new space. (I think). FIXME. */
7371 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7376 sd_chain_struct
*space
;
7378 name
= input_line_pointer
;
7379 c
= get_symbol_end ();
7380 space
= is_defined_space (name
);
7384 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7387 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7389 *input_line_pointer
= c
;
7390 demand_empty_rest_of_line ();
7393 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7394 given subspace, creating the new subspace if necessary.
7396 FIXME. Should mirror pa_space more closely, in particular how
7397 they're broken up into subroutines. */
7400 pa_subspace (int create_new
)
7402 char *name
, *ss_name
, c
;
7403 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7404 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7405 sd_chain_struct
*space
;
7406 ssd_chain_struct
*ssd
;
7409 if (current_space
== NULL
)
7410 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7412 if (within_procedure
)
7414 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7415 ignore_rest_of_line ();
7419 name
= input_line_pointer
;
7420 c
= get_symbol_end ();
7421 ss_name
= xmalloc (strlen (name
) + 1);
7422 strcpy (ss_name
, name
);
7423 *input_line_pointer
= c
;
7425 /* Load default values. */
7438 space
= current_space
;
7442 ssd
= is_defined_subspace (ss_name
);
7443 /* Allow user to override the builtin attributes of subspaces. But
7444 only allow the attributes to be changed once! */
7445 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7447 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7448 current_subspace
= ssd
;
7449 if (!is_end_of_statement ())
7450 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7451 demand_empty_rest_of_line ();
7456 /* A new subspace. Load default values if it matches one of
7457 the builtin subspaces. */
7459 while (pa_def_subspaces
[i
].name
)
7461 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7463 loadable
= pa_def_subspaces
[i
].loadable
;
7464 comdat
= pa_def_subspaces
[i
].comdat
;
7465 common
= pa_def_subspaces
[i
].common
;
7466 dup_common
= pa_def_subspaces
[i
].dup_common
;
7467 code_only
= pa_def_subspaces
[i
].code_only
;
7468 zero
= pa_def_subspaces
[i
].zero
;
7469 space_index
= pa_def_subspaces
[i
].space_index
;
7470 alignment
= pa_def_subspaces
[i
].alignment
;
7471 quadrant
= pa_def_subspaces
[i
].quadrant
;
7472 access_ctr
= pa_def_subspaces
[i
].access
;
7473 sort
= pa_def_subspaces
[i
].sort
;
7480 /* We should be working with a new subspace now. Fill in
7481 any information as specified by the user. */
7482 if (!is_end_of_statement ())
7484 input_line_pointer
++;
7485 while (!is_end_of_statement ())
7487 name
= input_line_pointer
;
7488 c
= get_symbol_end ();
7489 if ((strncasecmp (name
, "quad", 4) == 0))
7491 *input_line_pointer
= c
;
7492 input_line_pointer
++;
7493 quadrant
= get_absolute_expression ();
7495 else if ((strncasecmp (name
, "align", 5) == 0))
7497 *input_line_pointer
= c
;
7498 input_line_pointer
++;
7499 alignment
= get_absolute_expression ();
7500 if (exact_log2 (alignment
) == -1)
7502 as_bad (_("Alignment must be a power of 2"));
7506 else if ((strncasecmp (name
, "access", 6) == 0))
7508 *input_line_pointer
= c
;
7509 input_line_pointer
++;
7510 access_ctr
= get_absolute_expression ();
7512 else if ((strncasecmp (name
, "sort", 4) == 0))
7514 *input_line_pointer
= c
;
7515 input_line_pointer
++;
7516 sort
= get_absolute_expression ();
7518 else if ((strncasecmp (name
, "code_only", 9) == 0))
7520 *input_line_pointer
= c
;
7523 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7525 *input_line_pointer
= c
;
7528 else if ((strncasecmp (name
, "comdat", 6) == 0))
7530 *input_line_pointer
= c
;
7533 else if ((strncasecmp (name
, "common", 6) == 0))
7535 *input_line_pointer
= c
;
7538 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7540 *input_line_pointer
= c
;
7543 else if ((strncasecmp (name
, "zero", 4) == 0))
7545 *input_line_pointer
= c
;
7548 else if ((strncasecmp (name
, "first", 5) == 0))
7549 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7551 as_bad (_("Invalid .SUBSPACE argument"));
7552 if (!is_end_of_statement ())
7553 input_line_pointer
++;
7557 /* Compute a reasonable set of BFD flags based on the information
7558 in the .subspace directive. */
7559 applicable
= bfd_applicable_section_flags (stdoutput
);
7562 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7566 /* These flags are used to implement various flavors of initialized
7567 common. The SOM linker discards duplicate subspaces when they
7568 have the same "key" symbol name. This support is more like
7569 GNU linkonce than BFD common. Further, pc-relative relocations
7570 are converted to section relative relocations in BFD common
7571 sections. This complicates the handling of relocations in
7572 common sections containing text and isn't currently supported
7573 correctly in the SOM BFD backend. */
7574 if (comdat
|| common
|| dup_common
)
7575 flags
|= SEC_LINK_ONCE
;
7577 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7579 /* This is a zero-filled subspace (eg BSS). */
7581 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7583 applicable
&= flags
;
7585 /* If this is an existing subspace, then we want to use the
7586 segment already associated with the subspace.
7588 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7589 lots of sections. It might be a problem in the PA ELF
7590 code, I do not know yet. For now avoid creating anything
7591 but the "standard" sections for ELF. */
7593 section
= subseg_force_new (ss_name
, 0);
7595 section
= ssd
->ssd_seg
;
7597 section
= subseg_new (ss_name
, 0);
7600 seg_info (section
)->bss
= 1;
7602 /* Now set the flags. */
7603 bfd_set_section_flags (stdoutput
, section
, applicable
);
7605 /* Record any alignment request for this section. */
7606 record_alignment (section
, exact_log2 (alignment
));
7608 /* Set the starting offset for this section. */
7609 bfd_set_section_vma (stdoutput
, section
,
7610 pa_subspace_start (space
, quadrant
));
7612 /* Now that all the flags are set, update an existing subspace,
7613 or create a new one. */
7616 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7617 code_only
, comdat
, common
,
7618 dup_common
, sort
, zero
, access_ctr
,
7619 space_index
, alignment
, quadrant
,
7622 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7623 code_only
, comdat
, common
,
7624 dup_common
, zero
, sort
,
7625 access_ctr
, space_index
,
7626 alignment
, quadrant
, section
);
7628 demand_empty_rest_of_line ();
7629 current_subspace
->ssd_seg
= section
;
7630 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7632 SUBSPACE_DEFINED (current_subspace
) = 1;
7635 /* Create default space and subspace dictionaries. */
7638 pa_spaces_begin (void)
7642 space_dict_root
= NULL
;
7643 space_dict_last
= NULL
;
7646 while (pa_def_spaces
[i
].name
)
7650 /* Pick the right name to use for the new section. */
7651 name
= pa_def_spaces
[i
].name
;
7653 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7654 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7655 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7656 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7657 pa_def_spaces
[i
].segment
, 0);
7662 while (pa_def_subspaces
[i
].name
)
7665 int applicable
, subsegment
;
7666 asection
*segment
= NULL
;
7667 sd_chain_struct
*space
;
7669 /* Pick the right name for the new section and pick the right
7670 subsegment number. */
7671 name
= pa_def_subspaces
[i
].name
;
7674 /* Create the new section. */
7675 segment
= subseg_new (name
, subsegment
);
7677 /* For SOM we want to replace the standard .text, .data, and .bss
7678 sections with our own. We also want to set BFD flags for
7679 all the built-in subspaces. */
7680 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7682 text_section
= segment
;
7683 applicable
= bfd_applicable_section_flags (stdoutput
);
7684 bfd_set_section_flags (stdoutput
, segment
,
7685 applicable
& (SEC_ALLOC
| SEC_LOAD
7686 | SEC_RELOC
| SEC_CODE
7688 | SEC_HAS_CONTENTS
));
7690 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7692 data_section
= segment
;
7693 applicable
= bfd_applicable_section_flags (stdoutput
);
7694 bfd_set_section_flags (stdoutput
, segment
,
7695 applicable
& (SEC_ALLOC
| SEC_LOAD
7697 | SEC_HAS_CONTENTS
));
7700 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7702 bss_section
= segment
;
7703 applicable
= bfd_applicable_section_flags (stdoutput
);
7704 bfd_set_section_flags (stdoutput
, segment
,
7705 applicable
& SEC_ALLOC
);
7707 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7709 applicable
= bfd_applicable_section_flags (stdoutput
);
7710 bfd_set_section_flags (stdoutput
, segment
,
7711 applicable
& (SEC_ALLOC
| SEC_LOAD
7714 | SEC_HAS_CONTENTS
));
7716 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7718 applicable
= bfd_applicable_section_flags (stdoutput
);
7719 bfd_set_section_flags (stdoutput
, segment
,
7720 applicable
& (SEC_ALLOC
| SEC_LOAD
7723 | SEC_HAS_CONTENTS
));
7725 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7727 applicable
= bfd_applicable_section_flags (stdoutput
);
7728 bfd_set_section_flags (stdoutput
, segment
,
7729 applicable
& (SEC_ALLOC
| SEC_LOAD
7732 | SEC_HAS_CONTENTS
));
7735 /* Find the space associated with this subspace. */
7736 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7737 def_space_index
].segment
);
7740 as_fatal (_("Internal error: Unable to find containing space for %s."),
7741 pa_def_subspaces
[i
].name
);
7744 create_new_subspace (space
, name
,
7745 pa_def_subspaces
[i
].loadable
,
7746 pa_def_subspaces
[i
].code_only
,
7747 pa_def_subspaces
[i
].comdat
,
7748 pa_def_subspaces
[i
].common
,
7749 pa_def_subspaces
[i
].dup_common
,
7750 pa_def_subspaces
[i
].zero
,
7751 pa_def_subspaces
[i
].sort
,
7752 pa_def_subspaces
[i
].access
,
7753 pa_def_subspaces
[i
].space_index
,
7754 pa_def_subspaces
[i
].alignment
,
7755 pa_def_subspaces
[i
].quadrant
,
7761 /* Create a new space NAME, with the appropriate flags as defined
7762 by the given parameters. */
7764 static sd_chain_struct
*
7765 create_new_space (char *name
,
7767 int loadable ATTRIBUTE_UNUSED
,
7774 sd_chain_struct
*chain_entry
;
7776 chain_entry
= xmalloc (sizeof (sd_chain_struct
));
7778 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7781 SPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7782 strcpy (SPACE_NAME (chain_entry
), name
);
7783 SPACE_DEFINED (chain_entry
) = defined
;
7784 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7785 SPACE_SPNUM (chain_entry
) = spnum
;
7787 chain_entry
->sd_seg
= seg
;
7788 chain_entry
->sd_last_subseg
= -1;
7789 chain_entry
->sd_subspaces
= NULL
;
7790 chain_entry
->sd_next
= NULL
;
7792 /* Find spot for the new space based on its sort key. */
7793 if (!space_dict_last
)
7794 space_dict_last
= chain_entry
;
7796 if (space_dict_root
== NULL
)
7797 space_dict_root
= chain_entry
;
7800 sd_chain_struct
*chain_pointer
;
7801 sd_chain_struct
*prev_chain_pointer
;
7803 chain_pointer
= space_dict_root
;
7804 prev_chain_pointer
= NULL
;
7806 while (chain_pointer
)
7808 prev_chain_pointer
= chain_pointer
;
7809 chain_pointer
= chain_pointer
->sd_next
;
7812 /* At this point we've found the correct place to add the new
7813 entry. So add it and update the linked lists as appropriate. */
7814 if (prev_chain_pointer
)
7816 chain_entry
->sd_next
= chain_pointer
;
7817 prev_chain_pointer
->sd_next
= chain_entry
;
7821 space_dict_root
= chain_entry
;
7822 chain_entry
->sd_next
= chain_pointer
;
7825 if (chain_entry
->sd_next
== NULL
)
7826 space_dict_last
= chain_entry
;
7829 /* This is here to catch predefined spaces which do not get
7830 modified by the user's input. Another call is found at
7831 the bottom of pa_parse_space_stmt to handle cases where
7832 the user modifies a predefined space. */
7833 #ifdef obj_set_section_attributes
7834 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7840 /* Create a new subspace NAME, with the appropriate flags as defined
7841 by the given parameters.
7843 Add the new subspace to the subspace dictionary chain in numerical
7844 order as defined by the SORT entries. */
7846 static ssd_chain_struct
*
7847 create_new_subspace (sd_chain_struct
*space
,
7849 int loadable ATTRIBUTE_UNUSED
,
7850 int code_only ATTRIBUTE_UNUSED
,
7854 int is_zero ATTRIBUTE_UNUSED
,
7857 int space_index ATTRIBUTE_UNUSED
,
7858 int alignment ATTRIBUTE_UNUSED
,
7862 ssd_chain_struct
*chain_entry
;
7864 chain_entry
= xmalloc (sizeof (ssd_chain_struct
));
7866 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7868 SUBSPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7869 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7871 /* Initialize subspace_defined. When we hit a .subspace directive
7872 we'll set it to 1 which "locks-in" the subspace attributes. */
7873 SUBSPACE_DEFINED (chain_entry
) = 0;
7875 chain_entry
->ssd_subseg
= 0;
7876 chain_entry
->ssd_seg
= seg
;
7877 chain_entry
->ssd_next
= NULL
;
7879 /* Find spot for the new subspace based on its sort key. */
7880 if (space
->sd_subspaces
== NULL
)
7881 space
->sd_subspaces
= chain_entry
;
7884 ssd_chain_struct
*chain_pointer
;
7885 ssd_chain_struct
*prev_chain_pointer
;
7887 chain_pointer
= space
->sd_subspaces
;
7888 prev_chain_pointer
= NULL
;
7890 while (chain_pointer
)
7892 prev_chain_pointer
= chain_pointer
;
7893 chain_pointer
= chain_pointer
->ssd_next
;
7896 /* Now we have somewhere to put the new entry. Insert it and update
7898 if (prev_chain_pointer
)
7900 chain_entry
->ssd_next
= chain_pointer
;
7901 prev_chain_pointer
->ssd_next
= chain_entry
;
7905 space
->sd_subspaces
= chain_entry
;
7906 chain_entry
->ssd_next
= chain_pointer
;
7910 #ifdef obj_set_subsection_attributes
7911 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7912 quadrant
, comdat
, common
, dup_common
);
7918 /* Update the information for the given subspace based upon the
7919 various arguments. Return the modified subspace chain entry. */
7921 static ssd_chain_struct
*
7922 update_subspace (sd_chain_struct
*space
,
7924 int loadable ATTRIBUTE_UNUSED
,
7925 int code_only ATTRIBUTE_UNUSED
,
7930 int zero ATTRIBUTE_UNUSED
,
7932 int space_index ATTRIBUTE_UNUSED
,
7933 int alignment ATTRIBUTE_UNUSED
,
7937 ssd_chain_struct
*chain_entry
;
7939 chain_entry
= is_defined_subspace (name
);
7941 #ifdef obj_set_subsection_attributes
7942 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7943 quadrant
, comdat
, common
, dup_common
);
7949 /* Return the space chain entry for the space with the name NAME or
7950 NULL if no such space exists. */
7952 static sd_chain_struct
*
7953 is_defined_space (char *name
)
7955 sd_chain_struct
*chain_pointer
;
7957 for (chain_pointer
= space_dict_root
;
7959 chain_pointer
= chain_pointer
->sd_next
)
7960 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7961 return chain_pointer
;
7963 /* No mapping from segment to space was found. Return NULL. */
7967 /* Find and return the space associated with the given seg. If no mapping
7968 from the given seg to a space is found, then return NULL.
7970 Unlike subspaces, the number of spaces is not expected to grow much,
7971 so a linear exhaustive search is OK here. */
7973 static sd_chain_struct
*
7974 pa_segment_to_space (asection
*seg
)
7976 sd_chain_struct
*space_chain
;
7978 /* Walk through each space looking for the correct mapping. */
7979 for (space_chain
= space_dict_root
;
7981 space_chain
= space_chain
->sd_next
)
7982 if (space_chain
->sd_seg
== seg
)
7985 /* Mapping was not found. Return NULL. */
7989 /* Return the first space chain entry for the subspace with the name
7990 NAME or NULL if no such subspace exists.
7992 When there are multiple subspaces with the same name, switching to
7993 the first (i.e., default) subspace is preferable in most situations.
7994 For example, it wouldn't be desirable to merge COMDAT data with non
7997 Uses a linear search through all the spaces and subspaces, this may
7998 not be appropriate if we ever being placing each function in its
8001 static ssd_chain_struct
*
8002 is_defined_subspace (char *name
)
8004 sd_chain_struct
*space_chain
;
8005 ssd_chain_struct
*subspace_chain
;
8007 /* Walk through each space. */
8008 for (space_chain
= space_dict_root
;
8010 space_chain
= space_chain
->sd_next
)
8012 /* Walk through each subspace looking for a name which matches. */
8013 for (subspace_chain
= space_chain
->sd_subspaces
;
8015 subspace_chain
= subspace_chain
->ssd_next
)
8016 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8017 return subspace_chain
;
8020 /* Subspace wasn't found. Return NULL. */
8024 /* Find and return the subspace associated with the given seg. If no
8025 mapping from the given seg to a subspace is found, then return NULL.
8027 If we ever put each procedure/function within its own subspace
8028 (to make life easier on the compiler and linker), then this will have
8029 to become more efficient. */
8031 static ssd_chain_struct
*
8032 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
8034 sd_chain_struct
*space_chain
;
8035 ssd_chain_struct
*subspace_chain
;
8037 /* Walk through each space. */
8038 for (space_chain
= space_dict_root
;
8040 space_chain
= space_chain
->sd_next
)
8042 if (space_chain
->sd_seg
== seg
)
8044 /* Walk through each subspace within each space looking for
8045 the correct mapping. */
8046 for (subspace_chain
= space_chain
->sd_subspaces
;
8048 subspace_chain
= subspace_chain
->ssd_next
)
8049 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8050 return subspace_chain
;
8054 /* No mapping from subsegment to subspace found. Return NULL. */
8058 /* Given a number, try and find a space with the name number.
8060 Return a pointer to a space dictionary chain entry for the space
8061 that was found or NULL on failure. */
8063 static sd_chain_struct
*
8064 pa_find_space_by_number (int number
)
8066 sd_chain_struct
*space_chain
;
8068 for (space_chain
= space_dict_root
;
8070 space_chain
= space_chain
->sd_next
)
8072 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8076 /* No appropriate space found. Return NULL. */
8080 /* Return the starting address for the given subspace. If the starting
8081 address is unknown then return zero. */
8084 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8086 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8087 is not correct for the PA OSF1 port. */
8088 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8090 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8098 /* Helper function for pa_stringer. Used to find the end of
8102 pa_stringer_aux (char *s
)
8104 unsigned int c
= *s
& CHAR_MASK
;
8117 /* Handle a .STRING type pseudo-op. */
8120 pa_stringer (int append_zero
)
8122 char *s
, num_buf
[4];
8126 /* Preprocess the string to handle PA-specific escape sequences.
8127 For example, \xDD where DD is a hexadecimal number should be
8128 changed to \OOO where OOO is an octal number. */
8131 /* We must have a valid space and subspace. */
8132 pa_check_current_space_and_subspace ();
8135 /* Skip the opening quote. */
8136 s
= input_line_pointer
+ 1;
8138 while (is_a_char (c
= pa_stringer_aux (s
++)))
8145 /* Handle \x<num>. */
8148 unsigned int number
;
8153 /* Get past the 'x'. */
8155 for (num_digit
= 0, number
= 0, dg
= *s
;
8157 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8158 || (dg
>= 'A' && dg
<= 'F'));
8162 number
= number
* 16 + dg
- '0';
8163 else if (dg
>= 'a' && dg
<= 'f')
8164 number
= number
* 16 + dg
- 'a' + 10;
8166 number
= number
* 16 + dg
- 'A' + 10;
8176 sprintf (num_buf
, "%02o", number
);
8179 sprintf (num_buf
, "%03o", number
);
8182 for (i
= 0; i
<= num_digit
; i
++)
8183 s_start
[i
] = num_buf
[i
];
8187 /* This might be a "\"", skip over the escaped char. */
8194 stringer (8 + append_zero
);
8195 pa_undefine_label ();
8198 /* Handle a .VERSION pseudo-op. */
8201 pa_version (int unused ATTRIBUTE_UNUSED
)
8204 pa_undefine_label ();
8209 /* Handle a .COMPILER pseudo-op. */
8212 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8214 obj_som_compiler (0);
8215 pa_undefine_label ();
8220 /* Handle a .COPYRIGHT pseudo-op. */
8223 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8226 pa_undefine_label ();
8229 /* Just like a normal cons, but when finished we have to undefine
8230 the latest space label. */
8233 pa_cons (int nbytes
)
8236 pa_undefine_label ();
8239 /* Like float_cons, but we need to undefine our label. */
8242 pa_float_cons (int float_type
)
8244 float_cons (float_type
);
8245 pa_undefine_label ();
8248 /* Like s_fill, but delete our label when finished. */
8251 pa_fill (int unused ATTRIBUTE_UNUSED
)
8254 /* We must have a valid space and subspace. */
8255 pa_check_current_space_and_subspace ();
8259 pa_undefine_label ();
8262 /* Like lcomm, but delete our label when finished. */
8265 pa_lcomm (int needs_align
)
8268 /* We must have a valid space and subspace. */
8269 pa_check_current_space_and_subspace ();
8272 s_lcomm (needs_align
);
8273 pa_undefine_label ();
8276 /* Like lsym, but delete our label when finished. */
8279 pa_lsym (int unused ATTRIBUTE_UNUSED
)
8282 /* We must have a valid space and subspace. */
8283 pa_check_current_space_and_subspace ();
8287 pa_undefine_label ();
8290 /* This function is called once, at assembler startup time. It should
8291 set up all the tables, etc. that the MD part of the assembler will need. */
8296 const char *retval
= NULL
;
8300 last_call_info
= NULL
;
8301 call_info_root
= NULL
;
8303 /* Set the default machine type. */
8304 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8305 as_warn (_("could not set architecture and machine"));
8307 /* Folding of text and data segments fails miserably on the PA.
8308 Warn user and disable "-R" option. */
8309 if (flag_readonly_data_in_text
)
8311 as_warn (_("-R option not supported on this target."));
8312 flag_readonly_data_in_text
= 0;
8319 op_hash
= hash_new ();
8321 while (i
< NUMOPCODES
)
8323 const char *name
= pa_opcodes
[i
].name
;
8325 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
8326 if (retval
!= NULL
&& *retval
!= '\0')
8328 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
8334 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8335 != pa_opcodes
[i
].match
)
8337 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8338 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8343 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8347 as_fatal (_("Broken assembler. No assembly attempted."));
8350 /* SOM will change text_section. To make sure we never put
8351 anything into the old one switch to the new one now. */
8352 subseg_set (text_section
, 0);
8356 dummy_symbol
= symbol_find_or_make ("L$dummy");
8357 S_SET_SEGMENT (dummy_symbol
, text_section
);
8358 /* Force the symbol to be converted to a real symbol. */
8359 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8363 /* On the PA relocations which involve function symbols must not be
8364 adjusted. This so that the linker can know when/how to create argument
8365 relocation stubs for indirect calls and calls to static functions.
8367 "T" field selectors create DLT relative fixups for accessing
8368 globals and statics in PIC code; each DLT relative fixup creates
8369 an entry in the DLT table. The entries contain the address of
8370 the final target (eg accessing "foo" would create a DLT entry
8371 with the address of "foo").
8373 Unfortunately, the HP linker doesn't take into account any addend
8374 when generating the DLT; so accessing $LIT$+8 puts the address of
8375 $LIT$ into the DLT rather than the address of $LIT$+8.
8377 The end result is we can't perform relocation symbol reductions for
8378 any fixup which creates entries in the DLT (eg they use "T" field
8381 ??? Reject reductions involving symbols with external scope; such
8382 reductions make life a living hell for object file editors. */
8385 hppa_fix_adjustable (fixS
*fixp
)
8390 struct hppa_fix_struct
*hppa_fix
;
8392 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8395 /* LR/RR selectors are implicitly used for a number of different relocation
8396 types. We must ensure that none of these types are adjusted (see below)
8397 even if they occur with a different selector. */
8398 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8399 hppa_fix
->fx_r_format
,
8400 hppa_fix
->fx_r_field
);
8404 /* Relocation types which use e_lrsel. */
8405 case R_PARISC_DIR21L
:
8406 case R_PARISC_DLTREL21L
:
8407 case R_PARISC_DPREL21L
:
8408 case R_PARISC_PLTOFF21L
:
8410 /* Relocation types which use e_rrsel. */
8411 case R_PARISC_DIR14R
:
8412 case R_PARISC_DIR14DR
:
8413 case R_PARISC_DIR14WR
:
8414 case R_PARISC_DIR17R
:
8415 case R_PARISC_DLTREL14R
:
8416 case R_PARISC_DLTREL14DR
:
8417 case R_PARISC_DLTREL14WR
:
8418 case R_PARISC_DPREL14R
:
8419 case R_PARISC_DPREL14DR
:
8420 case R_PARISC_DPREL14WR
:
8421 case R_PARISC_PLTOFF14R
:
8422 case R_PARISC_PLTOFF14DR
:
8423 case R_PARISC_PLTOFF14WR
:
8425 /* Other types that we reject for reduction. */
8426 case R_PARISC_GNU_VTENTRY
:
8427 case R_PARISC_GNU_VTINHERIT
:
8434 /* Reject reductions of symbols in sym1-sym2 expressions when
8435 the fixup will occur in a CODE subspace.
8437 XXX FIXME: Long term we probably want to reject all of these;
8438 for example reducing in the debug section would lose if we ever
8439 supported using the optimizing hp linker. */
8442 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8445 /* We can't adjust any relocs that use LR% and RR% field selectors.
8447 If a symbol is reduced to a section symbol, the assembler will
8448 adjust the addend unless the symbol happens to reside right at
8449 the start of the section. Additionally, the linker has no choice
8450 but to manipulate the addends when coalescing input sections for
8451 "ld -r". Since an LR% field selector is defined to round the
8452 addend, we can't change the addend without risking that a LR% and
8453 it's corresponding (possible multiple) RR% field will no longer
8454 sum to the right value.
8457 . ldil LR%foo+0,%r21
8458 . ldw RR%foo+0(%r21),%r26
8459 . ldw RR%foo+4(%r21),%r25
8461 If foo is at address 4092 (decimal) in section `sect', then after
8462 reducing to the section symbol we get
8463 . LR%sect+4092 == (L%sect)+0
8464 . RR%sect+4092 == (R%sect)+4092
8465 . RR%sect+4096 == (R%sect)-4096
8466 and the last address loses because rounding the addend to 8k
8467 multiples takes us up to 8192 with an offset of -4096.
8469 In cases where the LR% expression is identical to the RR% one we
8470 will never have a problem, but is so happens that gcc rounds
8471 addends involved in LR% field selectors to work around a HP
8472 linker bug. ie. We often have addresses like the last case
8473 above where the LR% expression is offset from the RR% one. */
8475 if (hppa_fix
->fx_r_field
== e_lrsel
8476 || hppa_fix
->fx_r_field
== e_rrsel
8477 || hppa_fix
->fx_r_field
== e_nlrsel
)
8480 /* Reject reductions of symbols in DLT relative relocs,
8481 relocations with plabels. */
8482 if (hppa_fix
->fx_r_field
== e_tsel
8483 || hppa_fix
->fx_r_field
== e_ltsel
8484 || hppa_fix
->fx_r_field
== e_rtsel
8485 || hppa_fix
->fx_r_field
== e_psel
8486 || hppa_fix
->fx_r_field
== e_rpsel
8487 || hppa_fix
->fx_r_field
== e_lpsel
)
8490 /* Reject absolute calls (jumps). */
8491 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8494 /* Reject reductions of function symbols. */
8495 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8501 /* Return nonzero if the fixup in FIXP will require a relocation,
8502 even it if appears that the fixup could be completely handled
8506 hppa_force_relocation (struct fix
*fixp
)
8508 struct hppa_fix_struct
*hppa_fixp
;
8510 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8512 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8513 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8514 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8515 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8516 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8517 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8518 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8519 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8523 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8524 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8528 gas_assert (fixp
->fx_addsy
!= NULL
);
8530 /* Ensure we emit a relocation for global symbols so that dynamic
8532 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8535 /* It is necessary to force PC-relative calls/jumps to have a relocation
8536 entry if they're going to need either an argument relocation or long
8539 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8540 hppa_fixp
->fx_arg_reloc
))
8543 /* Now check to see if we're going to need a long-branch stub. */
8544 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8546 long pc
= md_pcrel_from (fixp
);
8547 valueT distance
, min_stub_distance
;
8549 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8551 /* Distance to the closest possible stub. This will detect most
8552 but not all circumstances where a stub will not work. */
8553 min_stub_distance
= pc
+ 16;
8555 if (last_call_info
!= NULL
)
8556 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8559 if ((distance
+ 8388608 >= 16777216
8560 && min_stub_distance
<= 8388608)
8561 || (hppa_fixp
->fx_r_format
== 17
8562 && distance
+ 262144 >= 524288
8563 && min_stub_distance
<= 262144)
8564 || (hppa_fixp
->fx_r_format
== 12
8565 && distance
+ 8192 >= 16384
8566 && min_stub_distance
<= 8192)
8571 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8574 /* No need (yet) to force another relocations to be emitted. */
8578 /* Now for some ELF specific code. FIXME. */
8580 /* For ELF, this function serves one purpose: to setup the st_size
8581 field of STT_FUNC symbols. To do this, we need to scan the
8582 call_info structure list, determining st_size in by taking the
8583 difference in the address of the beginning/end marker symbols. */
8586 elf_hppa_final_processing (void)
8588 struct call_info
*call_info_pointer
;
8590 for (call_info_pointer
= call_info_root
;
8592 call_info_pointer
= call_info_pointer
->ci_next
)
8594 elf_symbol_type
*esym
8595 = ((elf_symbol_type
*)
8596 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8597 esym
->internal_elf_sym
.st_size
=
8598 S_GET_VALUE (call_info_pointer
->end_symbol
)
8599 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8604 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8606 struct fix
*new_fix
;
8608 new_fix
= obj_elf_vtable_entry (0);
8612 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8614 hppa_fix
->fx_r_type
= R_HPPA
;
8615 hppa_fix
->fx_r_field
= e_fsel
;
8616 hppa_fix
->fx_r_format
= 32;
8617 hppa_fix
->fx_arg_reloc
= 0;
8618 hppa_fix
->segment
= now_seg
;
8619 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8620 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8625 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8627 struct fix
*new_fix
;
8629 new_fix
= obj_elf_vtable_inherit (0);
8633 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8635 hppa_fix
->fx_r_type
= R_HPPA
;
8636 hppa_fix
->fx_r_field
= e_fsel
;
8637 hppa_fix
->fx_r_format
= 32;
8638 hppa_fix
->fx_arg_reloc
= 0;
8639 hppa_fix
->segment
= now_seg
;
8640 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8641 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8646 /* Table of pseudo ops for the PA. FIXME -- how many of these
8647 are now redundant with the overall GAS and the object file
8648 dependent tables? */
8649 const pseudo_typeS md_pseudo_table
[] =
8651 /* align pseudo-ops on the PA specify the actual alignment requested,
8652 not the log2 of the requested alignment. */
8654 {"align", pa_align
, 8},
8657 {"align", s_align_bytes
, 8},
8659 {"begin_brtab", pa_brtab
, 1},
8660 {"begin_try", pa_try
, 1},
8661 {"block", pa_block
, 1},
8662 {"blockz", pa_block
, 0},
8663 {"byte", pa_cons
, 1},
8664 {"call", pa_call
, 0},
8665 {"callinfo", pa_callinfo
, 0},
8666 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8667 {"code", obj_elf_text
, 0},
8669 {"code", pa_text
, 0},
8670 {"comm", pa_comm
, 0},
8673 {"compiler", pa_compiler
, 0},
8675 {"copyright", pa_copyright
, 0},
8676 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8677 {"data", pa_data
, 0},
8679 {"double", pa_float_cons
, 'd'},
8680 {"dword", pa_cons
, 8},
8682 {"end_brtab", pa_brtab
, 0},
8683 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8684 {"end_try", pa_try
, 0},
8686 {"enter", pa_enter
, 0},
8687 {"entry", pa_entry
, 0},
8689 {"exit", pa_exit
, 0},
8690 {"export", pa_export
, 0},
8691 {"fill", pa_fill
, 0},
8692 {"float", pa_float_cons
, 'f'},
8693 {"half", pa_cons
, 2},
8694 {"import", pa_import
, 0},
8695 {"int", pa_cons
, 4},
8696 {"label", pa_label
, 0},
8697 {"lcomm", pa_lcomm
, 0},
8698 {"leave", pa_leave
, 0},
8699 {"level", pa_level
, 0},
8700 {"long", pa_cons
, 4},
8701 {"lsym", pa_lsym
, 0},
8703 {"nsubspa", pa_subspace
, 1},
8705 {"octa", pa_cons
, 16},
8706 {"org", pa_origin
, 0},
8707 {"origin", pa_origin
, 0},
8708 {"param", pa_param
, 0},
8709 {"proc", pa_proc
, 0},
8710 {"procend", pa_procend
, 0},
8711 {"quad", pa_cons
, 8},
8713 {"short", pa_cons
, 2},
8714 {"single", pa_float_cons
, 'f'},
8716 {"space", pa_space
, 0},
8717 {"spnum", pa_spnum
, 0},
8719 {"string", pa_stringer
, 0},
8720 {"stringz", pa_stringer
, 1},
8722 {"subspa", pa_subspace
, 0},
8724 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8725 {"text", pa_text
, 0},
8727 {"version", pa_version
, 0},
8729 {"vtable_entry", pa_vtable_entry
, 0},
8730 {"vtable_inherit", pa_vtable_inherit
, 0},
8732 {"word", pa_cons
, 4},
8738 hppa_cfi_frame_initial_instructions (void)
8740 cfi_add_CFA_def_cfa (30, 0);
8744 hppa_regname_to_dw2regnum (char *regname
)
8746 unsigned int regnum
= -1;
8750 static struct { char *name
; int dw2regnum
; } regnames
[] =
8752 { "sp", 30 }, { "rp", 2 },
8755 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8756 if (strcmp (regnames
[i
].name
, regname
) == 0)
8757 return regnames
[i
].dw2regnum
;
8759 if (regname
[0] == 'r')
8762 regnum
= strtoul (p
, &q
, 10);
8763 if (p
== q
|| *q
|| regnum
>= 32)
8766 else if (regname
[0] == 'f' && regname
[1] == 'r')
8769 regnum
= strtoul (p
, &q
, 10);
8770 #if TARGET_ARCH_SIZE == 64
8771 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8776 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8777 || regnum
<= 4 || regnum
>= 32)
8779 regnum
= (regnum
- 4) * 2 + 32;