1 /* tc-hppa.c -- Assemble for the PA
2 Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
22 /* HP PA-RISC support was contributed by the Center for Software Science
23 at the University of Utah. */
28 #include "safe-ctype.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
PARAMS ((void));
496 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
497 static void pa_text
PARAMS ((int));
498 static void pa_data
PARAMS ((int));
499 static void pa_comm
PARAMS ((int));
501 static fp_operand_format pa_parse_fp_format
PARAMS ((char **s
));
502 static void pa_cons
PARAMS ((int));
503 static void pa_float_cons
PARAMS ((int));
504 static void pa_fill
PARAMS ((int));
505 static void pa_lcomm
PARAMS ((int));
506 static void pa_lsym
PARAMS ((int));
507 static void pa_stringer
PARAMS ((int));
508 static void pa_version
PARAMS ((int));
509 static int pa_parse_fp_cmp_cond
PARAMS ((char **));
510 static int get_expression
PARAMS ((char *));
511 static int pa_get_absolute_expression
PARAMS ((struct pa_it
*, char **));
512 static int evaluate_absolute
PARAMS ((struct pa_it
*));
513 static unsigned int pa_build_arg_reloc
PARAMS ((char *));
514 static unsigned int pa_align_arg_reloc
PARAMS ((unsigned int, unsigned int));
515 static int pa_parse_nullif
PARAMS ((char **));
516 static int pa_parse_nonneg_cmpsub_cmpltr
PARAMS ((char **));
517 static int pa_parse_neg_cmpsub_cmpltr
PARAMS ((char **));
518 static int pa_parse_neg_add_cmpltr
PARAMS ((char **));
519 static int pa_parse_nonneg_add_cmpltr
PARAMS ((char **));
520 static int pa_parse_cmpb_64_cmpltr
PARAMS ((char **));
521 static int pa_parse_cmpib_64_cmpltr
PARAMS ((char **));
522 static int pa_parse_addb_64_cmpltr
PARAMS ((char **));
523 static void pa_block
PARAMS ((int));
524 static void pa_brtab
PARAMS ((int));
525 static void pa_try
PARAMS ((int));
526 static void pa_call
PARAMS ((int));
527 static void pa_call_args
PARAMS ((struct call_desc
*));
528 static void pa_callinfo
PARAMS ((int));
529 static void pa_copyright
PARAMS ((int));
530 static void pa_end
PARAMS ((int));
531 static void pa_enter
PARAMS ((int));
532 static void pa_entry
PARAMS ((int));
533 static void pa_equ
PARAMS ((int));
534 static void pa_exit
PARAMS ((int));
535 static void pa_export
PARAMS ((int));
536 static void pa_type_args
PARAMS ((symbolS
*, int));
537 static void pa_import
PARAMS ((int));
538 static void pa_label
PARAMS ((int));
539 static void pa_leave
PARAMS ((int));
540 static void pa_level
PARAMS ((int));
541 static void pa_origin
PARAMS ((int));
542 static void pa_proc
PARAMS ((int));
543 static void pa_procend
PARAMS ((int));
544 static void pa_param
PARAMS ((int));
545 static void pa_undefine_label
PARAMS ((void));
546 static int need_pa11_opcode
PARAMS ((void));
547 static int pa_parse_number
PARAMS ((char **, int));
548 static label_symbol_struct
*pa_get_label
PARAMS ((void));
550 static int exact_log2
PARAMS ((int));
551 static void pa_compiler
PARAMS ((int));
552 static void pa_align
PARAMS ((int));
553 static void pa_space
PARAMS ((int));
554 static void pa_spnum
PARAMS ((int));
555 static void pa_subspace
PARAMS ((int));
556 static sd_chain_struct
*create_new_space
PARAMS ((char *, int, int,
559 static ssd_chain_struct
*create_new_subspace
PARAMS ((sd_chain_struct
*,
564 static ssd_chain_struct
*update_subspace
PARAMS ((sd_chain_struct
*,
565 char *, int, int, int,
569 static sd_chain_struct
*is_defined_space
PARAMS ((char *));
570 static ssd_chain_struct
*is_defined_subspace
PARAMS ((char *));
571 static sd_chain_struct
*pa_segment_to_space
PARAMS ((asection
*));
572 static ssd_chain_struct
*pa_subsegment_to_subspace
PARAMS ((asection
*,
574 static sd_chain_struct
*pa_find_space_by_number
PARAMS ((int));
575 static unsigned int pa_subspace_start
PARAMS ((sd_chain_struct
*, int));
576 static sd_chain_struct
*pa_parse_space_stmt
PARAMS ((char *, int));
577 static void pa_spaces_begin
PARAMS ((void));
579 static void pa_ip
PARAMS ((char *));
580 static void fix_new_hppa
PARAMS ((fragS
*, int, int, symbolS
*,
581 offsetT
, expressionS
*, int,
582 bfd_reloc_code_real_type
,
583 enum hppa_reloc_field_selector_type_alt
,
584 int, unsigned int, int));
585 static int is_end_of_statement
PARAMS ((void));
586 static int reg_name_search
PARAMS ((char *));
587 static int pa_chk_field_selector
PARAMS ((char **));
588 static int is_same_frag
PARAMS ((fragS
*, fragS
*));
589 static void process_exit
PARAMS ((void));
590 static unsigned int pa_stringer_aux
PARAMS ((char *));
591 static fp_operand_format pa_parse_fp_cnv_format
PARAMS ((char **s
));
592 static int pa_parse_ftest_gfx_completer
PARAMS ((char **));
595 static void hppa_elf_mark_end_of_function
PARAMS ((void));
596 static void pa_build_unwind_subspace
PARAMS ((struct call_info
*));
597 static void pa_vtable_entry
PARAMS ((int));
598 static void pa_vtable_inherit
PARAMS ((int));
601 /* File and globally scoped variable declarations. */
604 /* Root and final entry in the space chain. */
605 static sd_chain_struct
*space_dict_root
;
606 static sd_chain_struct
*space_dict_last
;
608 /* The current space and subspace. */
609 static sd_chain_struct
*current_space
;
610 static ssd_chain_struct
*current_subspace
;
613 /* Root of the call_info chain. */
614 static struct call_info
*call_info_root
;
616 /* The last call_info (for functions) structure
617 seen so it can be associated with fixups and
619 static struct call_info
*last_call_info
;
621 /* The last call description (for actual calls). */
622 static struct call_desc last_call_desc
;
624 /* handle of the OPCODE hash table */
625 static struct hash_control
*op_hash
= NULL
;
627 /* These characters can be suffixes of opcode names and they may be
628 followed by meaningful whitespace. We don't include `,' and `!'
629 as they never appear followed by meaningful whitespace. */
630 const char hppa_symbol_chars
[] = "*?=<>";
632 /* Table of pseudo ops for the PA. FIXME -- how many of these
633 are now redundant with the overall GAS and the object file
635 const pseudo_typeS md_pseudo_table
[] =
637 /* align pseudo-ops on the PA specify the actual alignment requested,
638 not the log2 of the requested alignment. */
640 {"align", pa_align
, 8},
643 {"align", s_align_bytes
, 8},
645 {"begin_brtab", pa_brtab
, 1},
646 {"begin_try", pa_try
, 1},
647 {"block", pa_block
, 1},
648 {"blockz", pa_block
, 0},
649 {"byte", pa_cons
, 1},
650 {"call", pa_call
, 0},
651 {"callinfo", pa_callinfo
, 0},
652 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
653 {"code", obj_elf_text
, 0},
655 {"code", pa_text
, 0},
656 {"comm", pa_comm
, 0},
659 {"compiler", pa_compiler
, 0},
661 {"copyright", pa_copyright
, 0},
662 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
663 {"data", pa_data
, 0},
665 {"double", pa_float_cons
, 'd'},
666 {"dword", pa_cons
, 8},
668 {"end_brtab", pa_brtab
, 0},
669 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
670 {"end_try", pa_try
, 0},
672 {"enter", pa_enter
, 0},
673 {"entry", pa_entry
, 0},
675 {"exit", pa_exit
, 0},
676 {"export", pa_export
, 0},
677 {"fill", pa_fill
, 0},
678 {"float", pa_float_cons
, 'f'},
679 {"half", pa_cons
, 2},
680 {"import", pa_import
, 0},
682 {"label", pa_label
, 0},
683 {"lcomm", pa_lcomm
, 0},
684 {"leave", pa_leave
, 0},
685 {"level", pa_level
, 0},
686 {"long", pa_cons
, 4},
687 {"lsym", pa_lsym
, 0},
689 {"nsubspa", pa_subspace
, 1},
691 {"octa", pa_cons
, 16},
692 {"org", pa_origin
, 0},
693 {"origin", pa_origin
, 0},
694 {"param", pa_param
, 0},
695 {"proc", pa_proc
, 0},
696 {"procend", pa_procend
, 0},
697 {"quad", pa_cons
, 8},
699 {"short", pa_cons
, 2},
700 {"single", pa_float_cons
, 'f'},
702 {"space", pa_space
, 0},
703 {"spnum", pa_spnum
, 0},
705 {"string", pa_stringer
, 0},
706 {"stringz", pa_stringer
, 1},
708 {"subspa", pa_subspace
, 0},
710 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
711 {"text", pa_text
, 0},
713 {"version", pa_version
, 0},
715 {"vtable_entry", pa_vtable_entry
, 0},
716 {"vtable_inherit", pa_vtable_inherit
, 0},
718 {"word", pa_cons
, 4},
722 /* This array holds the chars that only start a comment at the beginning of
723 a line. If the line seems to have the form '# 123 filename'
724 .line and .file directives will appear in the pre-processed output.
726 Note that input_file.c hand checks for '#' at the beginning of the
727 first line of the input file. This is because the compiler outputs
728 #NO_APP at the beginning of its output.
730 Also note that C style comments will always work. */
731 const char line_comment_chars
[] = "#";
733 /* This array holds the chars that always start a comment. If the
734 pre-processor is disabled, these aren't very useful. */
735 const char comment_chars
[] = ";";
737 /* This array holds the characters which act as line separators. */
738 const char line_separator_chars
[] = "!";
740 /* Chars that can be used to separate mant from exp in floating point nums. */
741 const char EXP_CHARS
[] = "eE";
743 /* Chars that mean this number is a floating point constant.
744 As in 0f12.456 or 0d1.2345e12.
746 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
747 changed in read.c. Ideally it shouldn't hae to know abou it at
748 all, but nothing is ideal around here. */
749 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
751 static struct pa_it the_insn
;
753 /* Points to the end of an expression just parsed by get_expression
754 and friends. FIXME. This shouldn't be handled with a file-global
756 static char *expr_end
;
758 /* Nonzero if a .callinfo appeared within the current procedure. */
759 static int callinfo_found
;
761 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
762 static int within_entry_exit
;
764 /* Nonzero if the assembler is currently within a procedure definition. */
765 static int within_procedure
;
767 /* Handle on structure which keep track of the last symbol
768 seen in each subspace. */
769 static label_symbol_struct
*label_symbols_rootp
= NULL
;
771 /* Holds the last field selector. */
772 static int hppa_field_selector
;
774 /* Nonzero when strict matching is enabled. Zero otherwise.
776 Each opcode in the table has a flag which indicates whether or
777 not strict matching should be enabled for that instruction.
779 Mainly, strict causes errors to be ignored when a match failure
780 occurs. However, it also affects the parsing of register fields
781 by pa_parse_number. */
784 /* pa_parse_number returns values in `pa_number'. Mostly
785 pa_parse_number is used to return a register number, with floating
786 point registers being numbered from FP_REG_BASE upwards.
787 The bit specified with FP_REG_RSEL is set if the floating point
788 register has a `r' suffix. */
789 #define FP_REG_BASE 64
790 #define FP_REG_RSEL 128
791 static int pa_number
;
794 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
795 static symbolS
*dummy_symbol
;
798 /* Nonzero if errors are to be printed. */
799 static int print_errors
= 1;
801 /* List of registers that are pre-defined:
803 Each general register has one predefined name of the form
804 %r<REGNUM> which has the value <REGNUM>.
806 Space and control registers are handled in a similar manner,
807 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
809 Likewise for the floating point registers, but of the form
810 %fr<REGNUM>. Floating point registers have additional predefined
811 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
812 again have the value <REGNUM>.
814 Many registers also have synonyms:
816 %r26 - %r23 have %arg0 - %arg3 as synonyms
817 %r28 - %r29 have %ret0 - %ret1 as synonyms
818 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
819 %r30 has %sp as a synonym
820 %r27 has %dp as a synonym
821 %r2 has %rp as a synonym
823 Almost every control register has a synonym; they are not listed
826 The table is sorted. Suitable for searching by a binary search. */
828 static const struct pd_reg pre_defined_registers
[] =
862 {"%farg0", 4 + FP_REG_BASE
},
863 {"%farg1", 5 + FP_REG_BASE
},
864 {"%farg2", 6 + FP_REG_BASE
},
865 {"%farg3", 7 + FP_REG_BASE
},
866 {"%fr0", 0 + FP_REG_BASE
},
867 {"%fr0l", 0 + FP_REG_BASE
},
868 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
869 {"%fr1", 1 + FP_REG_BASE
},
870 {"%fr10", 10 + FP_REG_BASE
},
871 {"%fr10l", 10 + FP_REG_BASE
},
872 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
873 {"%fr11", 11 + FP_REG_BASE
},
874 {"%fr11l", 11 + FP_REG_BASE
},
875 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
876 {"%fr12", 12 + FP_REG_BASE
},
877 {"%fr12l", 12 + FP_REG_BASE
},
878 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
879 {"%fr13", 13 + FP_REG_BASE
},
880 {"%fr13l", 13 + FP_REG_BASE
},
881 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
882 {"%fr14", 14 + FP_REG_BASE
},
883 {"%fr14l", 14 + FP_REG_BASE
},
884 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
885 {"%fr15", 15 + FP_REG_BASE
},
886 {"%fr15l", 15 + FP_REG_BASE
},
887 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
888 {"%fr16", 16 + FP_REG_BASE
},
889 {"%fr16l", 16 + FP_REG_BASE
},
890 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
891 {"%fr17", 17 + FP_REG_BASE
},
892 {"%fr17l", 17 + FP_REG_BASE
},
893 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
894 {"%fr18", 18 + FP_REG_BASE
},
895 {"%fr18l", 18 + FP_REG_BASE
},
896 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
897 {"%fr19", 19 + FP_REG_BASE
},
898 {"%fr19l", 19 + FP_REG_BASE
},
899 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
900 {"%fr1l", 1 + FP_REG_BASE
},
901 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
902 {"%fr2", 2 + FP_REG_BASE
},
903 {"%fr20", 20 + FP_REG_BASE
},
904 {"%fr20l", 20 + FP_REG_BASE
},
905 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
906 {"%fr21", 21 + FP_REG_BASE
},
907 {"%fr21l", 21 + FP_REG_BASE
},
908 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
909 {"%fr22", 22 + FP_REG_BASE
},
910 {"%fr22l", 22 + FP_REG_BASE
},
911 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
912 {"%fr23", 23 + FP_REG_BASE
},
913 {"%fr23l", 23 + FP_REG_BASE
},
914 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
915 {"%fr24", 24 + FP_REG_BASE
},
916 {"%fr24l", 24 + FP_REG_BASE
},
917 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
918 {"%fr25", 25 + FP_REG_BASE
},
919 {"%fr25l", 25 + FP_REG_BASE
},
920 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
921 {"%fr26", 26 + FP_REG_BASE
},
922 {"%fr26l", 26 + FP_REG_BASE
},
923 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
924 {"%fr27", 27 + FP_REG_BASE
},
925 {"%fr27l", 27 + FP_REG_BASE
},
926 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
927 {"%fr28", 28 + FP_REG_BASE
},
928 {"%fr28l", 28 + FP_REG_BASE
},
929 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
930 {"%fr29", 29 + FP_REG_BASE
},
931 {"%fr29l", 29 + FP_REG_BASE
},
932 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
933 {"%fr2l", 2 + FP_REG_BASE
},
934 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
935 {"%fr3", 3 + FP_REG_BASE
},
936 {"%fr30", 30 + FP_REG_BASE
},
937 {"%fr30l", 30 + FP_REG_BASE
},
938 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
939 {"%fr31", 31 + FP_REG_BASE
},
940 {"%fr31l", 31 + FP_REG_BASE
},
941 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
942 {"%fr3l", 3 + FP_REG_BASE
},
943 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
944 {"%fr4", 4 + FP_REG_BASE
},
945 {"%fr4l", 4 + FP_REG_BASE
},
946 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
947 {"%fr5", 5 + FP_REG_BASE
},
948 {"%fr5l", 5 + FP_REG_BASE
},
949 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
950 {"%fr6", 6 + FP_REG_BASE
},
951 {"%fr6l", 6 + FP_REG_BASE
},
952 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
953 {"%fr7", 7 + FP_REG_BASE
},
954 {"%fr7l", 7 + FP_REG_BASE
},
955 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
956 {"%fr8", 8 + FP_REG_BASE
},
957 {"%fr8l", 8 + FP_REG_BASE
},
958 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
959 {"%fr9", 9 + FP_REG_BASE
},
960 {"%fr9l", 9 + FP_REG_BASE
},
961 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
970 #if TARGET_ARCH_SIZE == 64
1046 /* This table is sorted by order of the length of the string. This is
1047 so we check for <> before we check for <. If we had a <> and checked
1048 for < first, we would get a false match. */
1049 static const struct fp_cond_map fp_cond_map
[] =
1085 static const struct selector_entry selector_table
[] =
1110 /* default space and subspace dictionaries */
1112 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1113 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1115 /* pre-defined subsegments (subspaces) for the HPPA. */
1116 #define SUBSEG_CODE 0
1117 #define SUBSEG_LIT 1
1118 #define SUBSEG_MILLI 2
1119 #define SUBSEG_DATA 0
1120 #define SUBSEG_BSS 2
1121 #define SUBSEG_UNWIND 3
1122 #define SUBSEG_GDB_STRINGS 0
1123 #define SUBSEG_GDB_SYMBOLS 1
1125 static struct default_subspace_dict pa_def_subspaces
[] =
1127 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1128 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1129 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1130 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1131 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1132 {NULL
, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1135 static struct default_space_dict pa_def_spaces
[] =
1137 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1138 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1139 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1142 /* Misc local definitions used by the assembler. */
1144 /* These macros are used to maintain spaces/subspaces. */
1145 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1146 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1147 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1148 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1150 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1151 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1154 /* Return nonzero if the string pointed to by S potentially represents
1155 a right or left half of a FP register */
1156 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1157 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1159 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1160 main loop after insertion. */
1162 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1164 ((OPCODE) |= (FIELD) << (START)); \
1168 /* Simple range checking for FIELD against HIGH and LOW bounds.
1169 IGNORE is used to suppress the error message. */
1171 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1173 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1176 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1182 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1183 the current file and line number are not valid. */
1185 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1187 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1189 as_bad_where ((FILENAME), (LINE), \
1190 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1196 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1197 IGNORE is used to suppress the error message. */
1199 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1201 if ((FIELD) & ((ALIGN) - 1)) \
1204 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1210 #define is_DP_relative(exp) \
1211 ((exp).X_op == O_subtract \
1212 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1214 #define is_PC_relative(exp) \
1215 ((exp).X_op == O_subtract \
1216 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1218 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1219 always be able to reduce the expression to a constant, so we don't
1220 need real complex handling yet. */
1221 #define is_complex(exp) \
1222 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1224 /* Actual functions to implement the PA specific code for the assembler. */
1226 /* Called before writing the object file. Make sure entry/exit and
1227 proc/procend pairs match. */
1232 if (within_entry_exit
)
1233 as_fatal (_("Missing .exit\n"));
1235 if (within_procedure
)
1236 as_fatal (_("Missing .procend\n"));
1239 /* Returns a pointer to the label_symbol_struct for the current space.
1240 or NULL if no label_symbol_struct exists for the current space. */
1242 static label_symbol_struct
*
1245 label_symbol_struct
*label_chain
;
1247 for (label_chain
= label_symbols_rootp
;
1249 label_chain
= label_chain
->lss_next
)
1252 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1256 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1264 /* Defines a label for the current space. If one is already defined,
1265 this function will replace it with the new label. */
1268 pa_define_label (symbol
)
1271 label_symbol_struct
*label_chain
= pa_get_label ();
1274 label_chain
->lss_label
= symbol
;
1277 /* Create a new label entry and add it to the head of the chain. */
1279 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1280 label_chain
->lss_label
= symbol
;
1282 label_chain
->lss_space
= current_space
;
1285 label_chain
->lss_segment
= now_seg
;
1287 label_chain
->lss_next
= NULL
;
1289 if (label_symbols_rootp
)
1290 label_chain
->lss_next
= label_symbols_rootp
;
1292 label_symbols_rootp
= label_chain
;
1296 dwarf2_emit_label (symbol
);
1300 /* Removes a label definition for the current space.
1301 If there is no label_symbol_struct entry, then no action is taken. */
1304 pa_undefine_label ()
1306 label_symbol_struct
*label_chain
;
1307 label_symbol_struct
*prev_label_chain
= NULL
;
1309 for (label_chain
= label_symbols_rootp
;
1311 label_chain
= label_chain
->lss_next
)
1315 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1318 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1322 /* Remove the label from the chain and free its memory. */
1323 if (prev_label_chain
)
1324 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1326 label_symbols_rootp
= label_chain
->lss_next
;
1331 prev_label_chain
= label_chain
;
1335 /* An HPPA-specific version of fix_new. This is required because the HPPA
1336 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1337 results in the creation of an instance of an hppa_fix_struct. An
1338 hppa_fix_struct stores the extra information along with a pointer to the
1339 original fixS. This is attached to the original fixup via the
1340 tc_fix_data field. */
1343 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1344 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1348 symbolS
*add_symbol
;
1352 bfd_reloc_code_real_type r_type
;
1353 enum hppa_reloc_field_selector_type_alt r_field
;
1355 unsigned int arg_reloc
;
1356 int unwind_bits ATTRIBUTE_UNUSED
;
1360 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1361 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1364 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1366 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1367 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1368 hppa_fix
->fx_r_type
= r_type
;
1369 hppa_fix
->fx_r_field
= r_field
;
1370 hppa_fix
->fx_r_format
= r_format
;
1371 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1372 hppa_fix
->segment
= now_seg
;
1374 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1375 new_fix
->fx_offset
= unwind_bits
;
1378 /* foo-$global$ is used to access non-automatic storage. $global$
1379 is really just a marker and has served its purpose, so eliminate
1380 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1381 if (new_fix
->fx_subsy
1382 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1383 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0))
1384 new_fix
->fx_subsy
= NULL
;
1387 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1388 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1391 parse_cons_expression_hppa (exp
)
1394 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1398 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1399 hppa_field_selector is set by the parse_cons_expression_hppa. */
1402 cons_fix_new_hppa (frag
, where
, size
, exp
)
1408 unsigned int rel_type
;
1410 /* Get a base relocation type. */
1411 if (is_DP_relative (*exp
))
1412 rel_type
= R_HPPA_GOTOFF
;
1413 else if (is_PC_relative (*exp
))
1414 rel_type
= R_HPPA_PCREL_CALL
;
1415 else if (is_complex (*exp
))
1416 rel_type
= R_HPPA_COMPLEX
;
1420 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1422 as_warn (_("Invalid field selector. Assuming F%%."));
1423 hppa_field_selector
= e_fsel
;
1426 fix_new_hppa (frag
, where
, size
,
1427 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1428 hppa_field_selector
, size
* 8, 0, 0);
1430 /* Reset field selector to its default state. */
1431 hppa_field_selector
= 0;
1434 /* This function is called once, at assembler startup time. It should
1435 set up all the tables, etc. that the MD part of the assembler will need. */
1440 const char *retval
= NULL
;
1444 last_call_info
= NULL
;
1445 call_info_root
= NULL
;
1447 /* Set the default machine type. */
1448 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
1449 as_warn (_("could not set architecture and machine"));
1451 /* Folding of text and data segments fails miserably on the PA.
1452 Warn user and disable "-R" option. */
1453 if (flag_readonly_data_in_text
)
1455 as_warn (_("-R option not supported on this target."));
1456 flag_readonly_data_in_text
= 0;
1463 op_hash
= hash_new ();
1465 while (i
< NUMOPCODES
)
1467 const char *name
= pa_opcodes
[i
].name
;
1468 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1469 if (retval
!= NULL
&& *retval
!= '\0')
1471 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1476 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1477 != pa_opcodes
[i
].match
)
1479 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1480 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1485 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1489 as_fatal (_("Broken assembler. No assembly attempted."));
1492 /* SOM will change text_section. To make sure we never put
1493 anything into the old one switch to the new one now. */
1494 subseg_set (text_section
, 0);
1498 dummy_symbol
= symbol_find_or_make ("L$dummy");
1499 S_SET_SEGMENT (dummy_symbol
, text_section
);
1500 /* Force the symbol to be converted to a real symbol. */
1501 (void) symbol_get_bfdsym (dummy_symbol
);
1505 /* Assemble a single instruction storing it into a frag. */
1512 /* The had better be something to assemble. */
1515 /* If we are within a procedure definition, make sure we've
1516 defined a label for the procedure; handle case where the
1517 label was defined after the .PROC directive.
1519 Note there's not need to diddle with the segment or fragment
1520 for the label symbol in this case. We have already switched
1521 into the new $CODE$ subspace at this point. */
1522 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1524 label_symbol_struct
*label_symbol
= pa_get_label ();
1528 if (label_symbol
->lss_label
)
1530 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1531 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1534 /* Also handle allocation of a fixup to hold the unwind
1535 information when the label appears after the proc/procend. */
1536 if (within_entry_exit
)
1541 where
= frag_more (0);
1542 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
1543 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1544 NULL
, (offsetT
) 0, NULL
,
1545 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
1550 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1553 as_bad (_("Missing function name for .PROC"));
1556 /* Assemble the instruction. Results are saved into "the_insn". */
1559 /* Get somewhere to put the assembled instruction. */
1562 /* Output the opcode. */
1563 md_number_to_chars (to
, the_insn
.opcode
, 4);
1565 /* If necessary output more stuff. */
1566 if (the_insn
.reloc
!= R_HPPA_NONE
)
1567 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1568 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1569 the_insn
.reloc
, the_insn
.field_selector
,
1570 the_insn
.format
, the_insn
.arg_reloc
, 0);
1573 dwarf2_emit_insn (4);
1577 /* Do the real work for assembling a single instruction. Store results
1578 into the global "the_insn" variable. */
1584 char *error_message
= "";
1585 char *s
, c
, *argstart
, *name
, *save_s
;
1589 int cmpltr
, nullif
, flag
, cond
, num
;
1590 unsigned long opcode
;
1591 struct pa_opcode
*insn
;
1594 /* We must have a valid space and subspace. */
1595 pa_check_current_space_and_subspace ();
1598 /* Convert everything up to the first whitespace character into lower
1600 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1603 /* Skip to something interesting. */
1605 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
1625 as_bad (_("Unknown opcode: `%s'"), str
);
1629 /* Look up the opcode in the has table. */
1630 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1632 as_bad ("Unknown opcode: `%s'", str
);
1641 /* Mark the location where arguments for the instruction start, then
1642 start processing them. */
1646 /* Do some initialization. */
1647 opcode
= insn
->match
;
1648 strict
= (insn
->flags
& FLAG_STRICT
);
1649 memset (&the_insn
, 0, sizeof (the_insn
));
1651 the_insn
.reloc
= R_HPPA_NONE
;
1653 if (insn
->arch
>= pa20
1654 && bfd_get_mach (stdoutput
) < insn
->arch
)
1657 /* Build the opcode, checking as we go to make
1658 sure that the operands match. */
1659 for (args
= insn
->args
;; ++args
)
1661 /* Absorb white space in instruction. */
1662 while (*s
== ' ' || *s
== '\t')
1668 /* End of arguments. */
1684 /* These must match exactly. */
1693 /* Handle a 5 bit register or control register field at 10. */
1696 if (!pa_parse_number (&s
, 0))
1699 CHECK_FIELD (num
, 31, 0, 0);
1700 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1702 /* Handle %sar or %cr11. No bits get set, we just verify that it
1705 /* Skip whitespace before register. */
1706 while (*s
== ' ' || *s
== '\t')
1709 if (!strncasecmp (s
, "%sar", 4))
1714 else if (!strncasecmp (s
, "%cr11", 5))
1721 /* Handle a 5 bit register field at 15. */
1723 if (!pa_parse_number (&s
, 0))
1726 CHECK_FIELD (num
, 31, 0, 0);
1727 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1729 /* Handle a 5 bit register field at 31. */
1731 if (!pa_parse_number (&s
, 0))
1734 CHECK_FIELD (num
, 31, 0, 0);
1735 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1737 /* Handle a 5 bit register field at 10 and 15. */
1739 if (!pa_parse_number (&s
, 0))
1742 CHECK_FIELD (num
, 31, 0, 0);
1743 opcode
|= num
<< 16;
1744 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1746 /* Handle a 5 bit field length at 31. */
1748 num
= pa_get_absolute_expression (&the_insn
, &s
);
1749 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1752 CHECK_FIELD (num
, 32, 1, 0);
1753 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1755 /* Handle a 5 bit immediate at 15. */
1757 num
= pa_get_absolute_expression (&the_insn
, &s
);
1758 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1761 /* When in strict mode, we want to just reject this
1762 match instead of giving an out of range error. */
1763 CHECK_FIELD (num
, 15, -16, strict
);
1764 num
= low_sign_unext (num
, 5);
1765 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1767 /* Handle a 5 bit immediate at 31. */
1769 num
= pa_get_absolute_expression (&the_insn
, &s
);
1770 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1773 /* When in strict mode, we want to just reject this
1774 match instead of giving an out of range error. */
1775 CHECK_FIELD (num
, 15, -16, strict
);
1776 num
= low_sign_unext (num
, 5);
1777 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1779 /* Handle an unsigned 5 bit immediate at 31. */
1781 num
= pa_get_absolute_expression (&the_insn
, &s
);
1782 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1785 CHECK_FIELD (num
, 31, 0, strict
);
1786 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1788 /* Handle an unsigned 5 bit immediate at 15. */
1790 num
= pa_get_absolute_expression (&the_insn
, &s
);
1791 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1794 CHECK_FIELD (num
, 31, 0, strict
);
1795 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1797 /* Handle an unsigned 10 bit immediate at 15. */
1799 num
= pa_get_absolute_expression (&the_insn
, &s
);
1800 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1803 CHECK_FIELD (num
, 1023, 0, strict
);
1804 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1806 /* Handle a 2 bit space identifier at 17. */
1808 if (!pa_parse_number (&s
, 0))
1811 CHECK_FIELD (num
, 3, 0, 1);
1812 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1814 /* Handle a 3 bit space identifier at 18. */
1816 if (!pa_parse_number (&s
, 0))
1819 CHECK_FIELD (num
, 7, 0, 1);
1820 opcode
|= re_assemble_3 (num
);
1823 /* Handle all completers. */
1828 /* Handle a completer for an indexing load or store. */
1835 while (*s
== ',' && i
< 2)
1838 if (strncasecmp (s
, "sm", 2) == 0)
1845 else if (strncasecmp (s
, "m", 1) == 0)
1847 else if ((strncasecmp (s
, "s ", 2) == 0)
1848 || (strncasecmp (s
, "s,", 2) == 0))
1852 /* This is a match failure. */
1857 as_bad (_("Invalid Indexed Load Completer."));
1862 as_bad (_("Invalid Indexed Load Completer Syntax."));
1864 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1867 /* Handle a short load/store completer. */
1879 if (strncasecmp (s
, "ma", 2) == 0)
1885 else if (strncasecmp (s
, "mb", 2) == 0)
1892 /* This is a match failure. */
1896 as_bad (_("Invalid Short Load/Store Completer."));
1900 /* If we did not get a ma/mb completer, then we do not
1901 consider this a positive match for 'ce'. */
1902 else if (*args
== 'e')
1905 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1906 encode the before/after field. */
1907 if (*args
== 'm' || *args
== 'M')
1910 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1912 else if (*args
== 'q')
1915 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1917 else if (*args
== 'J')
1919 /* M bit is explicit in the major opcode. */
1920 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1922 else if (*args
== 'e')
1924 /* Stash the ma/mb flag temporarily in the
1925 instruction. We will use (and remove it)
1926 later when handling 'J', 'K', '<' & '>'. */
1932 /* Handle a stbys completer. */
1939 while (*s
== ',' && i
< 2)
1942 if (strncasecmp (s
, "m", 1) == 0)
1944 else if ((strncasecmp (s
, "b ", 2) == 0)
1945 || (strncasecmp (s
, "b,", 2) == 0))
1947 else if (strncasecmp (s
, "e", 1) == 0)
1949 /* In strict mode, this is a match failure. */
1956 as_bad (_("Invalid Store Bytes Short Completer"));
1961 as_bad (_("Invalid Store Bytes Short Completer"));
1963 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1966 /* Handle load cache hint completer. */
1969 if (!strncmp (s
, ",sl", 3))
1974 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1976 /* Handle store cache hint completer. */
1979 if (!strncmp (s
, ",sl", 3))
1984 else if (!strncmp (s
, ",bc", 3))
1989 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1991 /* Handle load and clear cache hint completer. */
1994 if (!strncmp (s
, ",co", 3))
1999 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
2001 /* Handle load ordering completer. */
2003 if (strncmp (s
, ",o", 2) != 0)
2008 /* Handle a branch gate completer. */
2010 if (strncasecmp (s
, ",gate", 5) != 0)
2015 /* Handle a branch link and push completer. */
2017 if (strncasecmp (s
, ",l,push", 7) != 0)
2022 /* Handle a branch link completer. */
2024 if (strncasecmp (s
, ",l", 2) != 0)
2029 /* Handle a branch pop completer. */
2031 if (strncasecmp (s
, ",pop", 4) != 0)
2036 /* Handle a local processor completer. */
2038 if (strncasecmp (s
, ",l", 2) != 0)
2043 /* Handle a PROBE read/write completer. */
2046 if (!strncasecmp (s
, ",w", 2))
2051 else if (!strncasecmp (s
, ",r", 2))
2057 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2059 /* Handle MFCTL wide completer. */
2061 if (strncasecmp (s
, ",w", 2) != 0)
2066 /* Handle an RFI restore completer. */
2069 if (!strncasecmp (s
, ",r", 2))
2075 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2077 /* Handle a system control completer. */
2079 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2087 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2089 /* Handle intermediate/final completer for DCOR. */
2092 if (!strncasecmp (s
, ",i", 2))
2098 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2100 /* Handle zero/sign extension completer. */
2103 if (!strncasecmp (s
, ",z", 2))
2109 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2111 /* Handle add completer. */
2114 if (!strncasecmp (s
, ",l", 2))
2119 else if (!strncasecmp (s
, ",tsv", 4))
2125 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2127 /* Handle 64 bit carry for ADD. */
2130 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2131 !strncasecmp (s
, ",tsv,dc", 7))
2136 else if (!strncasecmp (s
, ",dc", 3))
2144 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2146 /* Handle 32 bit carry for ADD. */
2149 if (!strncasecmp (s
, ",c,tsv", 6) ||
2150 !strncasecmp (s
, ",tsv,c", 6))
2155 else if (!strncasecmp (s
, ",c", 2))
2163 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2165 /* Handle trap on signed overflow. */
2168 if (!strncasecmp (s
, ",tsv", 4))
2174 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2176 /* Handle trap on condition and overflow. */
2179 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2180 !strncasecmp (s
, ",tsv,tc", 7))
2185 else if (!strncasecmp (s
, ",tc", 3))
2193 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2195 /* Handle 64 bit borrow for SUB. */
2198 if (!strncasecmp (s
, ",db,tsv", 7) ||
2199 !strncasecmp (s
, ",tsv,db", 7))
2204 else if (!strncasecmp (s
, ",db", 3))
2212 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2214 /* Handle 32 bit borrow for SUB. */
2217 if (!strncasecmp (s
, ",b,tsv", 6) ||
2218 !strncasecmp (s
, ",tsv,b", 6))
2223 else if (!strncasecmp (s
, ",b", 2))
2231 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2233 /* Handle trap condition completer for UADDCM. */
2236 if (!strncasecmp (s
, ",tc", 3))
2242 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2244 /* Handle signed/unsigned at 21. */
2248 if (strncasecmp (s
, ",s", 2) == 0)
2253 else if (strncasecmp (s
, ",u", 2) == 0)
2259 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2262 /* Handle left/right combination at 17:18. */
2272 as_bad (_("Invalid left/right combination completer"));
2275 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2278 as_bad (_("Invalid left/right combination completer"));
2281 /* Handle saturation at 24:25. */
2285 if (strncasecmp (s
, ",ss", 3) == 0)
2290 else if (strncasecmp (s
, ",us", 3) == 0)
2296 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2299 /* Handle permutation completer. */
2327 as_bad (_("Invalid permutation completer"));
2329 opcode
|= perm
<< permloc
[i
];
2334 as_bad (_("Invalid permutation completer"));
2342 /* Handle all conditions. */
2348 /* Handle FP compare conditions. */
2350 cond
= pa_parse_fp_cmp_cond (&s
);
2351 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2353 /* Handle an add condition. */
2362 /* 64 bit conditions. */
2374 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2378 if (strcmp (name
, "=") == 0)
2380 else if (strcmp (name
, "<") == 0)
2382 else if (strcmp (name
, "<=") == 0)
2384 else if (strcasecmp (name
, "nuv") == 0)
2386 else if (strcasecmp (name
, "znv") == 0)
2388 else if (strcasecmp (name
, "sv") == 0)
2390 else if (strcasecmp (name
, "od") == 0)
2392 else if (strcasecmp (name
, "tr") == 0)
2397 else if (strcmp (name
, "<>") == 0)
2402 else if (strcmp (name
, ">=") == 0)
2407 else if (strcmp (name
, ">") == 0)
2412 else if (strcasecmp (name
, "uv") == 0)
2417 else if (strcasecmp (name
, "vnz") == 0)
2422 else if (strcasecmp (name
, "nsv") == 0)
2427 else if (strcasecmp (name
, "ev") == 0)
2432 /* ",*" is a valid condition. */
2433 else if (*args
== 'a' || *name
)
2434 as_bad (_("Invalid Add Condition: %s"), name
);
2437 opcode
|= cmpltr
<< 13;
2438 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2440 /* Handle non-negated add and branch condition. */
2442 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2445 as_bad (_("Invalid Add and Branch Condition"));
2448 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2450 /* Handle 64 bit wide-mode add and branch condition. */
2452 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2455 as_bad (_("Invalid Add and Branch Condition"));
2460 /* Negated condition requires an opcode change. */
2461 opcode
|= (cmpltr
& 8) << 24;
2463 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2465 /* Handle a negated or non-negated add and branch
2469 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2473 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2476 as_bad (_("Invalid Compare/Subtract Condition"));
2481 /* Negated condition requires an opcode change. */
2485 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2487 /* Handle branch on bit conditions. */
2505 if (strncmp (s
, "<", 1) == 0)
2510 else if (strncmp (s
, ">=", 2) == 0)
2516 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2518 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2520 /* Handle a compare/subtract condition. */
2529 /* 64 bit conditions. */
2541 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2545 if (strcmp (name
, "=") == 0)
2547 else if (strcmp (name
, "<") == 0)
2549 else if (strcmp (name
, "<=") == 0)
2551 else if (strcasecmp (name
, "<<") == 0)
2553 else if (strcasecmp (name
, "<<=") == 0)
2555 else if (strcasecmp (name
, "sv") == 0)
2557 else if (strcasecmp (name
, "od") == 0)
2559 else if (strcasecmp (name
, "tr") == 0)
2564 else if (strcmp (name
, "<>") == 0)
2569 else if (strcmp (name
, ">=") == 0)
2574 else if (strcmp (name
, ">") == 0)
2579 else if (strcasecmp (name
, ">>=") == 0)
2584 else if (strcasecmp (name
, ">>") == 0)
2589 else if (strcasecmp (name
, "nsv") == 0)
2594 else if (strcasecmp (name
, "ev") == 0)
2599 /* ",*" is a valid condition. */
2600 else if (*args
!= 'S' || *name
)
2601 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2605 opcode
|= cmpltr
<< 13;
2606 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2608 /* Handle a non-negated compare condition. */
2610 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2613 as_bad (_("Invalid Compare/Subtract Condition"));
2616 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2618 /* Handle a 32 bit compare and branch condition. */
2621 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2625 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2628 as_bad (_("Invalid Compare and Branch Condition"));
2633 /* Negated condition requires an opcode change. */
2638 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2640 /* Handle a 64 bit compare and branch condition. */
2642 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2645 /* Negated condition requires an opcode change. */
2646 opcode
|= (cmpltr
& 8) << 26;
2649 /* Not a 64 bit cond. Give 32 bit a chance. */
2652 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2654 /* Handle a 64 bit cmpib condition. */
2656 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2658 /* Not a 64 bit cond. Give 32 bit a chance. */
2661 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2663 /* Handle a logical instruction condition. */
2672 /* 64 bit conditions. */
2684 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2689 if (strcmp (name
, "=") == 0)
2691 else if (strcmp (name
, "<") == 0)
2693 else if (strcmp (name
, "<=") == 0)
2695 else if (strcasecmp (name
, "od") == 0)
2697 else if (strcasecmp (name
, "tr") == 0)
2702 else if (strcmp (name
, "<>") == 0)
2707 else if (strcmp (name
, ">=") == 0)
2712 else if (strcmp (name
, ">") == 0)
2717 else if (strcasecmp (name
, "ev") == 0)
2722 /* ",*" is a valid condition. */
2723 else if (*args
!= 'L' || *name
)
2724 as_bad (_("Invalid Logical Instruction Condition."));
2727 opcode
|= cmpltr
<< 13;
2728 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2730 /* Handle a shift/extract/deposit condition. */
2739 /* 64 bit conditions. */
2751 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2755 if (strcmp (name
, "=") == 0)
2757 else if (strcmp (name
, "<") == 0)
2759 else if (strcasecmp (name
, "od") == 0)
2761 else if (strcasecmp (name
, "tr") == 0)
2763 else if (strcmp (name
, "<>") == 0)
2765 else if (strcmp (name
, ">=") == 0)
2767 else if (strcasecmp (name
, "ev") == 0)
2769 /* Handle movb,n. Put things back the way they were.
2770 This includes moving s back to where it started. */
2771 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2777 /* ",*" is a valid condition. */
2778 else if (*args
!= 'X' || *name
)
2779 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2782 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2784 /* Handle a unit instruction condition. */
2793 /* 64 bit conditions. */
2804 if (strncasecmp (s
, "sbz", 3) == 0)
2809 else if (strncasecmp (s
, "shz", 3) == 0)
2814 else if (strncasecmp (s
, "sdc", 3) == 0)
2819 else if (strncasecmp (s
, "sbc", 3) == 0)
2824 else if (strncasecmp (s
, "shc", 3) == 0)
2829 else if (strncasecmp (s
, "tr", 2) == 0)
2835 else if (strncasecmp (s
, "nbz", 3) == 0)
2841 else if (strncasecmp (s
, "nhz", 3) == 0)
2847 else if (strncasecmp (s
, "ndc", 3) == 0)
2853 else if (strncasecmp (s
, "nbc", 3) == 0)
2859 else if (strncasecmp (s
, "nhc", 3) == 0)
2865 else if (strncasecmp (s
, "swz", 3) == 0)
2871 else if (strncasecmp (s
, "swc", 3) == 0)
2877 else if (strncasecmp (s
, "nwz", 3) == 0)
2883 else if (strncasecmp (s
, "nwc", 3) == 0)
2889 /* ",*" is a valid condition. */
2890 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
2891 as_bad (_("Invalid Unit Instruction Condition."));
2893 opcode
|= cmpltr
<< 13;
2894 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2902 /* Handle a nullification completer for branch instructions. */
2904 nullif
= pa_parse_nullif (&s
);
2905 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2907 /* Handle a nullification completer for copr and spop insns. */
2909 nullif
= pa_parse_nullif (&s
);
2910 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2912 /* Handle ,%r2 completer for new syntax branches. */
2914 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2916 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2922 /* Handle 3 bit entry into the fp compare array. Valid values
2923 are 0..6 inclusive. */
2927 if (the_insn
.exp
.X_op
== O_constant
)
2929 num
= evaluate_absolute (&the_insn
);
2930 CHECK_FIELD (num
, 6, 0, 0);
2932 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2937 /* Handle 3 bit entry into the fp compare array. Valid values
2938 are 0..6 inclusive. */
2941 if (the_insn
.exp
.X_op
== O_constant
)
2944 num
= evaluate_absolute (&the_insn
);
2945 CHECK_FIELD (num
, 6, 0, 0);
2946 num
= (num
+ 1) ^ 1;
2947 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2952 /* Handle graphics test completers for ftest */
2955 num
= pa_parse_ftest_gfx_completer (&s
);
2956 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2959 /* Handle a 11 bit immediate at 31. */
2961 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2964 if (the_insn
.exp
.X_op
== O_constant
)
2966 num
= evaluate_absolute (&the_insn
);
2967 CHECK_FIELD (num
, 1023, -1024, 0);
2968 num
= low_sign_unext (num
, 11);
2969 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2973 if (is_DP_relative (the_insn
.exp
))
2974 the_insn
.reloc
= R_HPPA_GOTOFF
;
2975 else if (is_PC_relative (the_insn
.exp
))
2976 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2978 the_insn
.reloc
= R_HPPA
;
2979 the_insn
.format
= 11;
2983 /* Handle a 14 bit immediate at 31. */
2985 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2988 if (the_insn
.exp
.X_op
== O_constant
)
2992 /* XXX the completer stored away tidbits of information
2993 for us to extract. We need a cleaner way to do this.
2994 Now that we have lots of letters again, it would be
2995 good to rethink this. */
2998 num
= evaluate_absolute (&the_insn
);
2999 if (mb
!= (num
< 0))
3001 CHECK_FIELD (num
, 8191, -8192, 0);
3002 num
= low_sign_unext (num
, 14);
3003 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3007 /* Handle a 14 bit immediate at 31. */
3009 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3012 if (the_insn
.exp
.X_op
== O_constant
)
3018 num
= evaluate_absolute (&the_insn
);
3019 if (mb
== (num
< 0))
3023 CHECK_FIELD (num
, 8191, -8192, 0);
3024 num
= low_sign_unext (num
, 14);
3025 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3029 /* Handle a 16 bit immediate at 31. */
3031 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3034 if (the_insn
.exp
.X_op
== O_constant
)
3040 num
= evaluate_absolute (&the_insn
);
3041 if (mb
!= (num
< 0))
3043 CHECK_FIELD (num
, 32767, -32768, 0);
3044 num
= re_assemble_16 (num
);
3045 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3049 /* Handle a 16 bit immediate at 31. */
3051 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3054 if (the_insn
.exp
.X_op
== O_constant
)
3060 num
= evaluate_absolute (&the_insn
);
3061 if (mb
== (num
< 0))
3065 CHECK_FIELD (num
, 32767, -32768, 0);
3066 num
= re_assemble_16 (num
);
3067 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3071 /* Handle 14 bit immediate, shifted left three times. */
3073 if (bfd_get_mach (stdoutput
) != pa20
)
3075 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3078 if (the_insn
.exp
.X_op
== O_constant
)
3080 num
= evaluate_absolute (&the_insn
);
3083 CHECK_FIELD (num
, 8191, -8192, 0);
3088 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3092 if (is_DP_relative (the_insn
.exp
))
3093 the_insn
.reloc
= R_HPPA_GOTOFF
;
3094 else if (is_PC_relative (the_insn
.exp
))
3095 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3097 the_insn
.reloc
= R_HPPA
;
3098 the_insn
.format
= 14;
3103 /* Handle 14 bit immediate, shifted left twice. */
3105 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3108 if (the_insn
.exp
.X_op
== O_constant
)
3110 num
= evaluate_absolute (&the_insn
);
3113 CHECK_FIELD (num
, 8191, -8192, 0);
3118 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3122 if (is_DP_relative (the_insn
.exp
))
3123 the_insn
.reloc
= R_HPPA_GOTOFF
;
3124 else if (is_PC_relative (the_insn
.exp
))
3125 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3127 the_insn
.reloc
= R_HPPA
;
3128 the_insn
.format
= 14;
3132 /* Handle a 14 bit immediate at 31. */
3134 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3137 if (the_insn
.exp
.X_op
== O_constant
)
3139 num
= evaluate_absolute (&the_insn
);
3140 CHECK_FIELD (num
, 8191, -8192, 0);
3141 num
= low_sign_unext (num
, 14);
3142 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3146 if (is_DP_relative (the_insn
.exp
))
3147 the_insn
.reloc
= R_HPPA_GOTOFF
;
3148 else if (is_PC_relative (the_insn
.exp
))
3149 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3151 the_insn
.reloc
= R_HPPA
;
3152 the_insn
.format
= 14;
3156 /* Handle a 21 bit immediate at 31. */
3158 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3161 if (the_insn
.exp
.X_op
== O_constant
)
3163 num
= evaluate_absolute (&the_insn
);
3164 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3165 opcode
|= re_assemble_21 (num
);
3170 if (is_DP_relative (the_insn
.exp
))
3171 the_insn
.reloc
= R_HPPA_GOTOFF
;
3172 else if (is_PC_relative (the_insn
.exp
))
3173 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3175 the_insn
.reloc
= R_HPPA
;
3176 the_insn
.format
= 21;
3180 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3182 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3185 if (the_insn
.exp
.X_op
== O_constant
)
3187 num
= evaluate_absolute (&the_insn
);
3188 CHECK_FIELD (num
, 32767, -32768, 0);
3189 opcode
|= re_assemble_16 (num
);
3194 /* ??? Is this valid for wide mode? */
3195 if (is_DP_relative (the_insn
.exp
))
3196 the_insn
.reloc
= R_HPPA_GOTOFF
;
3197 else if (is_PC_relative (the_insn
.exp
))
3198 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3200 the_insn
.reloc
= R_HPPA
;
3201 the_insn
.format
= 14;
3205 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3207 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3210 if (the_insn
.exp
.X_op
== O_constant
)
3212 num
= evaluate_absolute (&the_insn
);
3213 CHECK_FIELD (num
, 32767, -32768, 0);
3214 CHECK_ALIGN (num
, 4, 0);
3215 opcode
|= re_assemble_16 (num
);
3220 /* ??? Is this valid for wide mode? */
3221 if (is_DP_relative (the_insn
.exp
))
3222 the_insn
.reloc
= R_HPPA_GOTOFF
;
3223 else if (is_PC_relative (the_insn
.exp
))
3224 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3226 the_insn
.reloc
= R_HPPA
;
3227 the_insn
.format
= 14;
3231 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3233 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3236 if (the_insn
.exp
.X_op
== O_constant
)
3238 num
= evaluate_absolute (&the_insn
);
3239 CHECK_FIELD (num
, 32767, -32768, 0);
3240 CHECK_ALIGN (num
, 8, 0);
3241 opcode
|= re_assemble_16 (num
);
3246 /* ??? Is this valid for wide mode? */
3247 if (is_DP_relative (the_insn
.exp
))
3248 the_insn
.reloc
= R_HPPA_GOTOFF
;
3249 else if (is_PC_relative (the_insn
.exp
))
3250 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3252 the_insn
.reloc
= R_HPPA
;
3253 the_insn
.format
= 14;
3257 /* Handle a 12 bit branch displacement. */
3259 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3263 if (!the_insn
.exp
.X_add_symbol
3264 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3267 num
= evaluate_absolute (&the_insn
);
3270 as_bad (_("Branch to unaligned address"));
3273 if (the_insn
.exp
.X_add_symbol
)
3275 CHECK_FIELD (num
, 8191, -8192, 0);
3276 opcode
|= re_assemble_12 (num
>> 2);
3281 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3282 the_insn
.format
= 12;
3283 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3284 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3289 /* Handle a 17 bit branch displacement. */
3291 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3295 if (!the_insn
.exp
.X_add_symbol
3296 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3299 num
= evaluate_absolute (&the_insn
);
3302 as_bad (_("Branch to unaligned address"));
3305 if (the_insn
.exp
.X_add_symbol
)
3307 CHECK_FIELD (num
, 262143, -262144, 0);
3308 opcode
|= re_assemble_17 (num
>> 2);
3313 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3314 the_insn
.format
= 17;
3315 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3316 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3320 /* Handle a 22 bit branch displacement. */
3322 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3326 if (!the_insn
.exp
.X_add_symbol
3327 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3330 num
= evaluate_absolute (&the_insn
);
3333 as_bad (_("Branch to unaligned address"));
3336 if (the_insn
.exp
.X_add_symbol
)
3338 CHECK_FIELD (num
, 8388607, -8388608, 0);
3339 opcode
|= re_assemble_22 (num
>> 2);
3343 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3344 the_insn
.format
= 22;
3345 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3346 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3350 /* Handle an absolute 17 bit branch target. */
3352 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3356 if (!the_insn
.exp
.X_add_symbol
3357 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3360 num
= evaluate_absolute (&the_insn
);
3363 as_bad (_("Branch to unaligned address"));
3366 if (the_insn
.exp
.X_add_symbol
)
3368 CHECK_FIELD (num
, 262143, -262144, 0);
3369 opcode
|= re_assemble_17 (num
>> 2);
3374 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3375 the_insn
.format
= 17;
3376 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3377 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3381 /* Handle '%r1' implicit operand of addil instruction. */
3383 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3384 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3392 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3394 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3399 /* Handle immediate value of 0 for ordered load/store instructions. */
3406 /* Handle a 2 bit shift count at 25. */
3408 num
= pa_get_absolute_expression (&the_insn
, &s
);
3409 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3412 CHECK_FIELD (num
, 3, 1, strict
);
3413 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3415 /* Handle a 4 bit shift count at 25. */
3417 num
= pa_get_absolute_expression (&the_insn
, &s
);
3418 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3421 CHECK_FIELD (num
, 15, 0, strict
);
3422 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3424 /* Handle a 5 bit shift count at 26. */
3426 num
= pa_get_absolute_expression (&the_insn
, &s
);
3427 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3430 CHECK_FIELD (num
, 31, 0, strict
);
3431 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3433 /* Handle a 6 bit shift count at 20,22:26. */
3435 num
= pa_get_absolute_expression (&the_insn
, &s
);
3436 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3439 CHECK_FIELD (num
, 63, 0, strict
);
3441 opcode
|= (num
& 0x20) << 6;
3442 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3444 /* Handle a 6 bit field length at 23,27:31. */
3447 num
= pa_get_absolute_expression (&the_insn
, &s
);
3448 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3451 CHECK_FIELD (num
, 64, 1, strict
);
3453 opcode
|= (num
& 0x20) << 3;
3454 num
= 31 - (num
& 0x1f);
3455 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3457 /* Handle a 6 bit field length at 19,27:31. */
3459 num
= pa_get_absolute_expression (&the_insn
, &s
);
3460 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3463 CHECK_FIELD (num
, 64, 1, strict
);
3465 opcode
|= (num
& 0x20) << 7;
3466 num
= 31 - (num
& 0x1f);
3467 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3469 /* Handle a 5 bit bit position at 26. */
3471 num
= pa_get_absolute_expression (&the_insn
, &s
);
3472 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3475 CHECK_FIELD (num
, 31, 0, strict
);
3476 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3478 /* Handle a 6 bit bit position at 20,22:26. */
3480 num
= pa_get_absolute_expression (&the_insn
, &s
);
3481 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3484 CHECK_FIELD (num
, 63, 0, strict
);
3485 opcode
|= (num
& 0x20) << 6;
3486 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3488 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3489 of the high bit of the immediate. */
3491 num
= pa_get_absolute_expression (&the_insn
, &s
);
3492 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3495 CHECK_FIELD (num
, 63, 0, strict
);
3499 opcode
|= (1 << 13);
3500 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3502 /* Handle a 5 bit immediate at 10. */
3504 num
= pa_get_absolute_expression (&the_insn
, &s
);
3505 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3508 CHECK_FIELD (num
, 31, 0, strict
);
3509 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3511 /* Handle a 9 bit immediate at 28. */
3513 num
= pa_get_absolute_expression (&the_insn
, &s
);
3514 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3517 CHECK_FIELD (num
, 511, 1, strict
);
3518 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3520 /* Handle a 13 bit immediate at 18. */
3522 num
= pa_get_absolute_expression (&the_insn
, &s
);
3523 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3526 CHECK_FIELD (num
, 8191, 0, strict
);
3527 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3529 /* Handle a 26 bit immediate at 31. */
3531 num
= pa_get_absolute_expression (&the_insn
, &s
);
3532 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3535 CHECK_FIELD (num
, 67108863, 0, strict
);
3536 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3538 /* Handle a 3 bit SFU identifier at 25. */
3541 as_bad (_("Invalid SFU identifier"));
3542 num
= pa_get_absolute_expression (&the_insn
, &s
);
3543 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3546 CHECK_FIELD (num
, 7, 0, strict
);
3547 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3549 /* Handle a 20 bit SOP field for spop0. */
3551 num
= pa_get_absolute_expression (&the_insn
, &s
);
3552 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3555 CHECK_FIELD (num
, 1048575, 0, strict
);
3556 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3557 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3559 /* Handle a 15bit SOP field for spop1. */
3561 num
= pa_get_absolute_expression (&the_insn
, &s
);
3562 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3565 CHECK_FIELD (num
, 32767, 0, strict
);
3566 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3568 /* Handle a 10bit SOP field for spop3. */
3570 num
= pa_get_absolute_expression (&the_insn
, &s
);
3571 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3574 CHECK_FIELD (num
, 1023, 0, strict
);
3575 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3576 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3578 /* Handle a 15 bit SOP field for spop2. */
3580 num
= pa_get_absolute_expression (&the_insn
, &s
);
3581 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3584 CHECK_FIELD (num
, 32767, 0, strict
);
3585 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3586 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3588 /* Handle a 3-bit co-processor ID field. */
3591 as_bad (_("Invalid COPR identifier"));
3592 num
= pa_get_absolute_expression (&the_insn
, &s
);
3593 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3596 CHECK_FIELD (num
, 7, 0, strict
);
3597 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3599 /* Handle a 22bit SOP field for copr. */
3601 num
= pa_get_absolute_expression (&the_insn
, &s
);
3602 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3605 CHECK_FIELD (num
, 4194303, 0, strict
);
3606 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3607 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3609 /* Handle a source FP operand format completer. */
3611 if (*s
== ',' && *(s
+1) == 't')
3618 flag
= pa_parse_fp_cnv_format (&s
);
3619 the_insn
.fpof1
= flag
;
3620 if (flag
== W
|| flag
== UW
)
3622 if (flag
== DW
|| flag
== UDW
)
3624 if (flag
== QW
|| flag
== UQW
)
3626 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3628 /* Handle a destination FP operand format completer. */
3630 /* pa_parse_format needs the ',' prefix. */
3632 flag
= pa_parse_fp_cnv_format (&s
);
3633 the_insn
.fpof2
= flag
;
3634 if (flag
== W
|| flag
== UW
)
3636 if (flag
== DW
|| flag
== UDW
)
3638 if (flag
== QW
|| flag
== UQW
)
3640 opcode
|= flag
<< 13;
3641 if (the_insn
.fpof1
== SGL
3642 || the_insn
.fpof1
== DBL
3643 || the_insn
.fpof1
== QUAD
)
3645 if (the_insn
.fpof2
== SGL
3646 || the_insn
.fpof2
== DBL
3647 || the_insn
.fpof2
== QUAD
)
3649 else if (the_insn
.fpof2
== W
3650 || the_insn
.fpof2
== DW
3651 || the_insn
.fpof2
== QW
)
3653 else if (the_insn
.fpof2
== UW
3654 || the_insn
.fpof2
== UDW
3655 || the_insn
.fpof2
== UQW
)
3660 else if (the_insn
.fpof1
== W
3661 || the_insn
.fpof1
== DW
3662 || the_insn
.fpof1
== QW
)
3664 if (the_insn
.fpof2
== SGL
3665 || the_insn
.fpof2
== DBL
3666 || the_insn
.fpof2
== QUAD
)
3671 else if (the_insn
.fpof1
== UW
3672 || the_insn
.fpof1
== UDW
3673 || the_insn
.fpof1
== UQW
)
3675 if (the_insn
.fpof2
== SGL
3676 || the_insn
.fpof2
== DBL
3677 || the_insn
.fpof2
== QUAD
)
3682 flag
|= the_insn
.trunc
;
3683 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3685 /* Handle a source FP operand format completer. */
3687 flag
= pa_parse_fp_format (&s
);
3688 the_insn
.fpof1
= flag
;
3689 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3691 /* Handle a destination FP operand format completer. */
3693 /* pa_parse_format needs the ',' prefix. */
3695 flag
= pa_parse_fp_format (&s
);
3696 the_insn
.fpof2
= flag
;
3697 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3699 /* Handle a source FP operand format completer at 20. */
3701 flag
= pa_parse_fp_format (&s
);
3702 the_insn
.fpof1
= flag
;
3703 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3705 /* Handle a floating point operand format at 26.
3706 Only allows single and double precision. */
3708 flag
= pa_parse_fp_format (&s
);
3714 the_insn
.fpof1
= flag
;
3720 as_bad (_("Invalid Floating Point Operand Format."));
3724 /* Handle all floating point registers. */
3728 /* Float target register. */
3730 if (!pa_parse_number (&s
, 3))
3732 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3733 CHECK_FIELD (num
, 31, 0, 0);
3734 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3736 /* Float target register with L/R selection. */
3739 if (!pa_parse_number (&s
, 1))
3741 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3742 CHECK_FIELD (num
, 31, 0, 0);
3745 /* 0x30 opcodes are FP arithmetic operation opcodes
3746 and need to be turned into 0x38 opcodes. This
3747 is not necessary for loads/stores. */
3748 if (need_pa11_opcode ()
3749 && ((opcode
& 0xfc000000) == 0x30000000))
3752 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3756 /* Float operand 1. */
3759 if (!pa_parse_number (&s
, 1))
3761 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3762 CHECK_FIELD (num
, 31, 0, 0);
3763 opcode
|= num
<< 21;
3764 if (need_pa11_opcode ())
3766 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3772 /* Float operand 1 with L/R selection. */
3776 if (!pa_parse_number (&s
, 1))
3778 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3779 CHECK_FIELD (num
, 31, 0, 0);
3780 opcode
|= num
<< 21;
3781 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3785 /* Float operand 2. */
3788 if (!pa_parse_number (&s
, 1))
3790 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3791 CHECK_FIELD (num
, 31, 0, 0);
3792 opcode
|= num
<< 16;
3793 if (need_pa11_opcode ())
3795 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3801 /* Float operand 2 with L/R selection. */
3804 if (!pa_parse_number (&s
, 1))
3806 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3807 CHECK_FIELD (num
, 31, 0, 0);
3808 opcode
|= num
<< 16;
3809 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3813 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3816 if (!pa_parse_number (&s
, 1))
3818 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3819 CHECK_FIELD (num
, 31, 0, 0);
3820 opcode
|= (num
& 0x1c) << 11;
3821 opcode
|= (num
& 0x03) << 9;
3822 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3826 /* Float mult operand 1 for fmpyadd, fmpysub */
3829 if (!pa_parse_number (&s
, 1))
3831 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3832 CHECK_FIELD (num
, 31, 0, 0);
3833 if (the_insn
.fpof1
== SGL
)
3837 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3841 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3843 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3846 /* Float mult operand 2 for fmpyadd, fmpysub */
3849 if (!pa_parse_number (&s
, 1))
3851 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3852 CHECK_FIELD (num
, 31, 0, 0);
3853 if (the_insn
.fpof1
== SGL
)
3857 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3861 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3863 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3866 /* Float mult target for fmpyadd, fmpysub */
3869 if (!pa_parse_number (&s
, 1))
3871 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3872 CHECK_FIELD (num
, 31, 0, 0);
3873 if (the_insn
.fpof1
== SGL
)
3877 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3881 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3883 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3886 /* Float add operand 1 for fmpyadd, fmpysub */
3889 if (!pa_parse_number (&s
, 1))
3891 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3892 CHECK_FIELD (num
, 31, 0, 0);
3893 if (the_insn
.fpof1
== SGL
)
3897 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3901 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3903 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3906 /* Float add target for fmpyadd, fmpysub */
3909 if (!pa_parse_number (&s
, 1))
3911 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3912 CHECK_FIELD (num
, 31, 0, 0);
3913 if (the_insn
.fpof1
== SGL
)
3917 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3921 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3923 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3926 /* Handle L/R register halves like 'x'. */
3930 if (!pa_parse_number (&s
, 1))
3932 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3933 CHECK_FIELD (num
, 31, 0, 0);
3934 opcode
|= num
<< 16;
3935 if (need_pa11_opcode ())
3937 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3942 /* Float target register (PA 2.0 wide). */
3944 if (!pa_parse_number (&s
, 3))
3946 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3947 CHECK_FIELD (num
, 31, 0, 0);
3948 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3961 /* If this instruction is specific to a particular architecture,
3962 then set a new architecture. This automatic promotion crud is
3963 for compatibility with HP's old assemblers only. */
3965 && bfd_get_mach (stdoutput
) < insn
->arch
3966 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
3968 as_warn (_("could not update architecture and machine"));
3973 /* Check if the args matched. */
3976 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3977 && !strcmp (insn
->name
, insn
[1].name
))
3985 as_bad (_("Invalid operands %s"), error_message
);
3992 the_insn
.opcode
= opcode
;
3995 /* Turn a string in input_line_pointer into a floating point constant of type
3996 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3997 emitted is stored in *sizeP . An error message or NULL is returned. */
3999 #define MAX_LITTLENUMS 6
4002 md_atof (type
, litP
, sizeP
)
4008 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
4009 LITTLENUM_TYPE
*wordP
;
4041 return _("Bad call to MD_ATOF()");
4043 t
= atof_ieee (input_line_pointer
, type
, words
);
4045 input_line_pointer
= t
;
4046 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4047 for (wordP
= words
; prec
--;)
4049 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4050 litP
+= sizeof (LITTLENUM_TYPE
);
4055 /* Write out big-endian. */
4058 md_number_to_chars (buf
, val
, n
)
4063 number_to_chars_bigendian (buf
, val
, n
);
4066 /* Translate internal representation of relocation info to BFD target
4070 tc_gen_reloc (section
, fixp
)
4075 struct hppa_fix_struct
*hppa_fixp
;
4076 static arelent
*no_relocs
= NULL
;
4083 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4084 if (fixp
->fx_addsy
== 0)
4087 assert (hppa_fixp
!= 0);
4088 assert (section
!= 0);
4090 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4092 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4093 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4094 codes
= hppa_gen_reloc_type (stdoutput
,
4096 hppa_fixp
->fx_r_format
,
4097 hppa_fixp
->fx_r_field
,
4098 fixp
->fx_subsy
!= NULL
,
4099 symbol_get_bfdsym (fixp
->fx_addsy
));
4103 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4107 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4110 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4111 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4112 for (i
= 0; i
< n_relocs
; i
++)
4113 relocs
[i
] = &reloc
[i
];
4115 relocs
[n_relocs
] = NULL
;
4118 switch (fixp
->fx_r_type
)
4121 assert (n_relocs
== 1);
4125 /* Now, do any processing that is dependent on the relocation type. */
4128 case R_PARISC_DLTREL21L
:
4129 case R_PARISC_DLTREL14R
:
4130 case R_PARISC_DLTREL14F
:
4131 case R_PARISC_PLABEL32
:
4132 case R_PARISC_PLABEL21L
:
4133 case R_PARISC_PLABEL14R
:
4134 /* For plabel relocations, the addend of the
4135 relocation should be either 0 (no static link) or 2
4136 (static link required). This adjustment is done in
4137 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4139 We also slam a zero addend into the DLT relative relocs;
4140 it doesn't make a lot of sense to use any addend since
4141 it gets you a different (eg unknown) DLT entry. */
4145 #ifdef ELF_ARG_RELOC
4146 case R_PARISC_PCREL17R
:
4147 case R_PARISC_PCREL17F
:
4148 case R_PARISC_PCREL17C
:
4149 case R_PARISC_DIR17R
:
4150 case R_PARISC_DIR17F
:
4151 case R_PARISC_PCREL21L
:
4152 case R_PARISC_DIR21L
:
4153 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4158 case R_PARISC_DIR32
:
4159 /* Facilitate hand-crafted unwind info. */
4160 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4161 code
= R_PARISC_SEGREL32
;
4165 reloc
->addend
= fixp
->fx_offset
;
4169 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4170 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4171 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4172 (bfd_reloc_code_real_type
) code
);
4173 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4175 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4180 /* Walk over reach relocation returned by the BFD backend. */
4181 for (i
= 0; i
< n_relocs
; i
++)
4185 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4186 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4188 bfd_reloc_type_lookup (stdoutput
,
4189 (bfd_reloc_code_real_type
) code
);
4190 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4195 /* The only time we ever use a R_COMP2 fixup is for the difference
4196 of two symbols. With that in mind we fill in all four
4197 relocs now and break out of the loop. */
4199 relocs
[0]->sym_ptr_ptr
4200 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
4202 = bfd_reloc_type_lookup (stdoutput
,
4203 (bfd_reloc_code_real_type
) *codes
[0]);
4204 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4205 relocs
[0]->addend
= 0;
4206 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4207 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4209 = bfd_reloc_type_lookup (stdoutput
,
4210 (bfd_reloc_code_real_type
) *codes
[1]);
4211 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4212 relocs
[1]->addend
= 0;
4213 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4214 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4216 = bfd_reloc_type_lookup (stdoutput
,
4217 (bfd_reloc_code_real_type
) *codes
[2]);
4218 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4219 relocs
[2]->addend
= 0;
4220 relocs
[3]->sym_ptr_ptr
4221 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
4223 = bfd_reloc_type_lookup (stdoutput
,
4224 (bfd_reloc_code_real_type
) *codes
[3]);
4225 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4226 relocs
[3]->addend
= 0;
4227 relocs
[4]->sym_ptr_ptr
4228 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
4230 = bfd_reloc_type_lookup (stdoutput
,
4231 (bfd_reloc_code_real_type
) *codes
[4]);
4232 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4233 relocs
[4]->addend
= 0;
4237 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4243 /* For plabel relocations, the addend of the
4244 relocation should be either 0 (no static link) or 2
4245 (static link required).
4247 FIXME: We always assume no static link!
4249 We also slam a zero addend into the DLT relative relocs;
4250 it doesn't make a lot of sense to use any addend since
4251 it gets you a different (eg unknown) DLT entry. */
4252 relocs
[i
]->addend
= 0;
4267 /* There is no symbol or addend associated with these fixups. */
4268 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4269 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4270 relocs
[i
]->addend
= 0;
4276 /* There is no symbol associated with these fixups. */
4277 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4278 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4279 relocs
[i
]->addend
= fixp
->fx_offset
;
4283 relocs
[i
]->addend
= fixp
->fx_offset
;
4293 /* Process any machine dependent frag types. */
4296 md_convert_frag (abfd
, sec
, fragP
)
4297 register bfd
*abfd ATTRIBUTE_UNUSED
;
4298 register asection
*sec ATTRIBUTE_UNUSED
;
4299 register fragS
*fragP
;
4301 unsigned int address
;
4303 if (fragP
->fr_type
== rs_machine_dependent
)
4305 switch ((int) fragP
->fr_subtype
)
4308 fragP
->fr_type
= rs_fill
;
4309 know (fragP
->fr_var
== 1);
4310 know (fragP
->fr_next
);
4311 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4312 if (address
% fragP
->fr_offset
)
4315 fragP
->fr_next
->fr_address
4320 fragP
->fr_offset
= 0;
4326 /* Round up a section size to the appropriate boundary. */
4329 md_section_align (segment
, size
)
4333 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4334 int align2
= (1 << align
) - 1;
4336 return (size
+ align2
) & ~align2
;
4339 /* Return the approximate size of a frag before relaxation has occurred. */
4341 md_estimate_size_before_relax (fragP
, segment
)
4342 register fragS
*fragP
;
4343 asection
*segment ATTRIBUTE_UNUSED
;
4349 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4356 # ifdef WARN_COMMENTS
4357 const char *md_shortopts
= "Vc";
4359 const char *md_shortopts
= "V";
4362 # ifdef WARN_COMMENTS
4363 const char *md_shortopts
= "c";
4365 const char *md_shortopts
= "";
4369 struct option md_longopts
[] = {
4370 #ifdef WARN_COMMENTS
4371 {"warn-comment", no_argument
, NULL
, 'c'},
4373 {NULL
, no_argument
, NULL
, 0}
4375 size_t md_longopts_size
= sizeof (md_longopts
);
4378 md_parse_option (c
, arg
)
4379 int c ATTRIBUTE_UNUSED
;
4380 char *arg ATTRIBUTE_UNUSED
;
4389 print_version_id ();
4392 #ifdef WARN_COMMENTS
4403 md_show_usage (stream
)
4404 FILE *stream ATTRIBUTE_UNUSED
;
4407 fprintf (stream
, _("\
4410 #ifdef WARN_COMMENTS
4411 fprintf (stream
, _("\
4412 -c print a warning if a comment is found\n"));
4416 /* We have no need to default values of symbols. */
4419 md_undefined_symbol (name
)
4420 char *name ATTRIBUTE_UNUSED
;
4425 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4426 #define nonzero_dibits(x) \
4427 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4428 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4429 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4431 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4434 /* Apply a fixup to an instruction. */
4437 md_apply_fix (fixP
, valP
, seg
)
4440 segT seg ATTRIBUTE_UNUSED
;
4443 struct hppa_fix_struct
*hppa_fixP
;
4447 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4448 never be "applied" (they are just markers). Likewise for
4449 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4451 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4452 || fixP
->fx_r_type
== R_HPPA_EXIT
4453 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4454 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4455 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4458 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4459 fixups are considered not adjustable, which in turn causes
4460 adjust_reloc_syms to not set fx_offset. Ugh. */
4461 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4463 fixP
->fx_offset
= * valP
;
4468 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4469 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4473 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
4476 /* There should be a HPPA specific fixup associated with the GAS fixup. */
4477 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4478 if (hppa_fixP
== NULL
)
4480 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4481 _("no hppa_fixup entry for fixup type 0x%x"),
4486 fixpos
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
4488 if (fixP
->fx_size
!= 4 || hppa_fixP
->fx_r_format
== 32)
4490 /* Handle constant output. */
4491 number_to_chars_bigendian (fixpos
, *valP
, fixP
->fx_size
);
4495 insn
= bfd_get_32 (stdoutput
, fixpos
);
4496 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4498 /* If there is a symbol associated with this fixup, then it's something
4499 which will need a SOM relocation (except for some PC-relative relocs).
4500 In such cases we should treat the "val" or "addend" as zero since it
4501 will be added in as needed from fx_offset in tc_gen_reloc. */
4502 if ((fixP
->fx_addsy
!= NULL
4503 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4508 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4510 /* These field selectors imply that we do not want an addend. */
4511 else if (hppa_fixP
->fx_r_field
== e_psel
4512 || hppa_fixP
->fx_r_field
== e_rpsel
4513 || hppa_fixP
->fx_r_field
== e_lpsel
4514 || hppa_fixP
->fx_r_field
== e_tsel
4515 || hppa_fixP
->fx_r_field
== e_rtsel
4516 || hppa_fixP
->fx_r_field
== e_ltsel
)
4517 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4520 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4522 /* Handle pc-relative exceptions from above. */
4523 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4526 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4527 hppa_fixP
->fx_arg_reloc
)
4529 && (* valP
- 8 + 8192 < 16384
4530 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
4531 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4534 && (* valP
- 8 + 262144 < 524288
4535 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4537 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4538 && !S_IS_WEAK (fixP
->fx_addsy
)
4539 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4541 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4543 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4549 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4550 fixP
->fx_file
, fixP
->fx_line
);
4553 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4554 | ((val
& 0x2000) >> 13));
4557 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4558 fixP
->fx_file
, fixP
->fx_line
);
4561 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4562 | ((val
& 0x2000) >> 13));
4564 /* Handle all opcodes with the 'j' operand type. */
4566 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4567 fixP
->fx_file
, fixP
->fx_line
);
4570 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4573 /* Handle all opcodes with the 'k' operand type. */
4575 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4576 fixP
->fx_file
, fixP
->fx_line
);
4579 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4582 /* Handle all the opcodes with the 'i' operand type. */
4584 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4585 fixP
->fx_file
, fixP
->fx_line
);
4588 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4591 /* Handle all the opcodes with the 'w' operand type. */
4593 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4594 fixP
->fx_file
, fixP
->fx_line
);
4597 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4600 /* Handle some of the opcodes with the 'W' operand type. */
4603 offsetT distance
= * valP
;
4605 /* If this is an absolute branch (ie no link) with an out of
4606 range target, then we want to complain. */
4607 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4608 && (insn
& 0xffe00000) == 0xe8000000)
4609 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4610 fixP
->fx_file
, fixP
->fx_line
);
4612 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4613 fixP
->fx_file
, fixP
->fx_line
);
4616 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4622 offsetT distance
= * valP
;
4624 /* If this is an absolute branch (ie no link) with an out of
4625 range target, then we want to complain. */
4626 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4627 && (insn
& 0xffe00000) == 0xe8000000)
4628 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4629 fixP
->fx_file
, fixP
->fx_line
);
4631 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4632 fixP
->fx_file
, fixP
->fx_line
);
4635 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4641 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4646 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4651 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4659 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4660 _("Unknown relocation encountered in md_apply_fix."));
4664 /* Insert the relocation. */
4665 bfd_put_32 (stdoutput
, insn
, fixpos
);
4668 /* Exactly what point is a PC-relative offset relative TO?
4669 On the PA, they're relative to the address of the offset. */
4672 md_pcrel_from (fixP
)
4675 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4678 /* Return nonzero if the input line pointer is at the end of
4682 is_end_of_statement ()
4684 return ((*input_line_pointer
== '\n')
4685 || (*input_line_pointer
== ';')
4686 || (*input_line_pointer
== '!'));
4689 /* Read a number from S. The number might come in one of many forms,
4690 the most common will be a hex or decimal constant, but it could be
4691 a pre-defined register (Yuk!), or an absolute symbol.
4693 Return 1 on success or 0 on failure. If STRICT, then a missing
4694 register prefix will cause a failure. The number itself is
4695 returned in `pa_number'.
4697 IS_FLOAT indicates that a PA-89 FP register number should be
4698 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4701 pa_parse_number can not handle negative constants and will fail
4702 horribly if it is passed such a constant. */
4705 pa_parse_number (s
, is_float
)
4715 bfd_boolean have_prefix
;
4717 /* Skip whitespace before the number. */
4718 while (*p
== ' ' || *p
== '\t')
4724 if (!strict
&& ISDIGIT (*p
))
4726 /* Looks like a number. */
4728 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4730 /* The number is specified in hex. */
4732 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4733 || ((*p
>= 'A') && (*p
<= 'F')))
4736 num
= num
* 16 + *p
- '0';
4737 else if (*p
>= 'a' && *p
<= 'f')
4738 num
= num
* 16 + *p
- 'a' + 10;
4740 num
= num
* 16 + *p
- 'A' + 10;
4746 /* The number is specified in decimal. */
4747 while (ISDIGIT (*p
))
4749 num
= num
* 10 + *p
- '0';
4756 /* Check for a `l' or `r' suffix. */
4759 pa_number
+= FP_REG_BASE
;
4760 if (! (is_float
& 2))
4762 if (IS_R_SELECT (p
))
4764 pa_number
+= FP_REG_RSEL
;
4767 else if (IS_L_SELECT (p
))
4776 /* The number might be a predefined register. */
4781 /* Tege hack: Special case for general registers as the general
4782 code makes a binary search with case translation, and is VERY
4787 if (*p
== 'e' && *(p
+ 1) == 't'
4788 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4791 num
= *p
- '0' + 28;
4799 else if (!ISDIGIT (*p
))
4802 as_bad (_("Undefined register: '%s'."), name
);
4808 num
= num
* 10 + *p
++ - '0';
4809 while (ISDIGIT (*p
));
4814 /* Do a normal register search. */
4815 while (is_part_of_name (c
))
4821 status
= reg_name_search (name
);
4827 as_bad (_("Undefined register: '%s'."), name
);
4837 /* And finally, it could be a symbol in the absolute section which
4838 is effectively a constant, or a register alias symbol. */
4841 while (is_part_of_name (c
))
4847 if ((sym
= symbol_find (name
)) != NULL
)
4849 if (S_GET_SEGMENT (sym
) == reg_section
)
4851 num
= S_GET_VALUE (sym
);
4852 /* Well, we don't really have one, but we do have a
4856 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4857 num
= S_GET_VALUE (sym
);
4861 as_bad (_("Non-absolute symbol: '%s'."), name
);
4867 /* There is where we'd come for an undefined symbol
4868 or for an empty string. For an empty string we
4869 will return zero. That's a concession made for
4870 compatibility with the braindamaged HP assemblers. */
4876 as_bad (_("Undefined absolute constant: '%s'."), name
);
4885 if (!strict
|| have_prefix
)
4893 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4895 /* Given NAME, find the register number associated with that name, return
4896 the integer value associated with the given name or -1 on failure. */
4899 reg_name_search (name
)
4902 int middle
, low
, high
;
4906 high
= REG_NAME_CNT
- 1;
4910 middle
= (low
+ high
) / 2;
4911 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4917 return pre_defined_registers
[middle
].value
;
4919 while (low
<= high
);
4924 /* Return nonzero if the given INSN and L/R information will require
4925 a new PA-1.1 opcode. */
4930 if ((pa_number
& FP_REG_RSEL
) != 0
4931 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4933 /* If this instruction is specific to a particular architecture,
4934 then set a new architecture. */
4935 if (bfd_get_mach (stdoutput
) < pa11
)
4937 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4938 as_warn (_("could not update architecture and machine"));
4946 /* Parse a condition for a fcmp instruction. Return the numerical
4947 code associated with the condition. */
4950 pa_parse_fp_cmp_cond (s
)
4957 for (i
= 0; i
< 32; i
++)
4959 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4960 strlen (fp_cond_map
[i
].string
)) == 0)
4962 cond
= fp_cond_map
[i
].cond
;
4963 *s
+= strlen (fp_cond_map
[i
].string
);
4964 /* If not a complete match, back up the input string and
4966 if (**s
!= ' ' && **s
!= '\t')
4968 *s
-= strlen (fp_cond_map
[i
].string
);
4971 while (**s
== ' ' || **s
== '\t')
4977 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4979 /* Advance over the bogus completer. */
4980 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4986 /* Parse a graphics test complete for ftest. */
4989 pa_parse_ftest_gfx_completer (s
)
4995 if (strncasecmp (*s
, "acc8", 4) == 0)
5000 else if (strncasecmp (*s
, "acc6", 4) == 0)
5005 else if (strncasecmp (*s
, "acc4", 4) == 0)
5010 else if (strncasecmp (*s
, "acc2", 4) == 0)
5015 else if (strncasecmp (*s
, "acc", 3) == 0)
5020 else if (strncasecmp (*s
, "rej8", 4) == 0)
5025 else if (strncasecmp (*s
, "rej", 3) == 0)
5033 as_bad (_("Invalid FTEST completer: %s"), *s
);
5039 /* Parse an FP operand format completer returning the completer
5042 static fp_operand_format
5043 pa_parse_fp_cnv_format (s
)
5052 if (strncasecmp (*s
, "sgl", 3) == 0)
5057 else if (strncasecmp (*s
, "dbl", 3) == 0)
5062 else if (strncasecmp (*s
, "quad", 4) == 0)
5067 else if (strncasecmp (*s
, "w", 1) == 0)
5072 else if (strncasecmp (*s
, "uw", 2) == 0)
5077 else if (strncasecmp (*s
, "dw", 2) == 0)
5082 else if (strncasecmp (*s
, "udw", 3) == 0)
5087 else if (strncasecmp (*s
, "qw", 2) == 0)
5092 else if (strncasecmp (*s
, "uqw", 3) == 0)
5099 format
= ILLEGAL_FMT
;
5100 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5107 /* Parse an FP operand format completer returning the completer
5110 static fp_operand_format
5111 pa_parse_fp_format (s
)
5120 if (strncasecmp (*s
, "sgl", 3) == 0)
5125 else if (strncasecmp (*s
, "dbl", 3) == 0)
5130 else if (strncasecmp (*s
, "quad", 4) == 0)
5137 format
= ILLEGAL_FMT
;
5138 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5145 /* Convert from a selector string into a selector type. */
5148 pa_chk_field_selector (str
)
5151 int middle
, low
, high
;
5155 /* Read past any whitespace. */
5156 /* FIXME: should we read past newlines and formfeeds??? */
5157 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5160 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5161 name
[0] = TOLOWER ((*str
)[0]),
5163 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5164 name
[0] = TOLOWER ((*str
)[0]),
5165 name
[1] = TOLOWER ((*str
)[1]),
5167 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5168 name
[0] = TOLOWER ((*str
)[0]),
5169 name
[1] = TOLOWER ((*str
)[1]),
5170 name
[2] = TOLOWER ((*str
)[2]),
5176 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5180 middle
= (low
+ high
) / 2;
5181 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5188 *str
+= strlen (name
) + 1;
5190 if (selector_table
[middle
].field_selector
== e_nsel
)
5193 return selector_table
[middle
].field_selector
;
5196 while (low
<= high
);
5201 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5204 get_expression (str
)
5210 save_in
= input_line_pointer
;
5211 input_line_pointer
= str
;
5212 seg
= expression (&the_insn
.exp
);
5213 if (!(seg
== absolute_section
5214 || seg
== undefined_section
5215 || SEG_NORMAL (seg
)))
5217 as_warn (_("Bad segment in expression."));
5218 expr_end
= input_line_pointer
;
5219 input_line_pointer
= save_in
;
5222 expr_end
= input_line_pointer
;
5223 input_line_pointer
= save_in
;
5227 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5229 pa_get_absolute_expression (insn
, strp
)
5235 insn
->field_selector
= pa_chk_field_selector (strp
);
5236 save_in
= input_line_pointer
;
5237 input_line_pointer
= *strp
;
5238 expression (&insn
->exp
);
5239 /* This is not perfect, but is a huge improvement over doing nothing.
5241 The PA assembly syntax is ambiguous in a variety of ways. Consider
5242 this string "4 %r5" Is that the number 4 followed by the register
5243 r5, or is that 4 MOD r5?
5245 If we get a modulo expression when looking for an absolute, we try
5246 again cutting off the input string at the first whitespace character. */
5247 if (insn
->exp
.X_op
== O_modulus
)
5252 input_line_pointer
= *strp
;
5254 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5260 retval
= pa_get_absolute_expression (insn
, strp
);
5262 input_line_pointer
= save_in
;
5264 return evaluate_absolute (insn
);
5266 /* When in strict mode we have a non-match, fix up the pointers
5267 and return to our caller. */
5268 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5270 expr_end
= input_line_pointer
;
5271 input_line_pointer
= save_in
;
5274 if (insn
->exp
.X_op
!= O_constant
)
5276 as_bad (_("Bad segment (should be absolute)."));
5277 expr_end
= input_line_pointer
;
5278 input_line_pointer
= save_in
;
5281 expr_end
= input_line_pointer
;
5282 input_line_pointer
= save_in
;
5283 return evaluate_absolute (insn
);
5286 /* Evaluate an absolute expression EXP which may be modified by
5287 the selector FIELD_SELECTOR. Return the value of the expression. */
5289 evaluate_absolute (insn
)
5294 int field_selector
= insn
->field_selector
;
5297 value
= exp
.X_add_number
;
5299 return hppa_field_adjust (0, value
, field_selector
);
5302 /* Given an argument location specification return the associated
5303 argument location number. */
5306 pa_build_arg_reloc (type_name
)
5310 if (strncasecmp (type_name
, "no", 2) == 0)
5312 if (strncasecmp (type_name
, "gr", 2) == 0)
5314 else if (strncasecmp (type_name
, "fr", 2) == 0)
5316 else if (strncasecmp (type_name
, "fu", 2) == 0)
5319 as_bad (_("Invalid argument location: %s\n"), type_name
);
5324 /* Encode and return an argument relocation specification for
5325 the given register in the location specified by arg_reloc. */
5328 pa_align_arg_reloc (reg
, arg_reloc
)
5330 unsigned int arg_reloc
;
5332 unsigned int new_reloc
;
5334 new_reloc
= arg_reloc
;
5350 as_bad (_("Invalid argument description: %d"), reg
);
5356 /* Parse a PA nullification completer (,n). Return nonzero if the
5357 completer was found; return zero if no completer was found. */
5369 if (strncasecmp (*s
, "n", 1) == 0)
5373 as_bad (_("Invalid Nullification: (%c)"), **s
);
5382 /* Parse a non-negated compare/subtract completer returning the
5383 number (for encoding in instructions) of the given completer. */
5386 pa_parse_nonneg_cmpsub_cmpltr (s
)
5390 char *name
= *s
+ 1;
5399 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5404 if (strcmp (name
, "=") == 0)
5408 else if (strcmp (name
, "<") == 0)
5412 else if (strcmp (name
, "<=") == 0)
5416 else if (strcmp (name
, "<<") == 0)
5420 else if (strcmp (name
, "<<=") == 0)
5424 else if (strcasecmp (name
, "sv") == 0)
5428 else if (strcasecmp (name
, "od") == 0)
5432 /* If we have something like addb,n then there is no condition
5434 else if (strcasecmp (name
, "n") == 0)
5446 /* Reset pointers if this was really a ,n for a branch instruction. */
5453 /* Parse a negated compare/subtract completer returning the
5454 number (for encoding in instructions) of the given completer. */
5457 pa_parse_neg_cmpsub_cmpltr (s
)
5461 char *name
= *s
+ 1;
5470 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5475 if (strcasecmp (name
, "tr") == 0)
5479 else if (strcmp (name
, "<>") == 0)
5483 else if (strcmp (name
, ">=") == 0)
5487 else if (strcmp (name
, ">") == 0)
5491 else if (strcmp (name
, ">>=") == 0)
5495 else if (strcmp (name
, ">>") == 0)
5499 else if (strcasecmp (name
, "nsv") == 0)
5503 else if (strcasecmp (name
, "ev") == 0)
5507 /* If we have something like addb,n then there is no condition
5509 else if (strcasecmp (name
, "n") == 0)
5521 /* Reset pointers if this was really a ,n for a branch instruction. */
5528 /* Parse a 64 bit compare and branch completer returning the number (for
5529 encoding in instructions) of the given completer.
5531 Nonnegated comparisons are returned as 0-7, negated comparisons are
5532 returned as 8-15. */
5535 pa_parse_cmpb_64_cmpltr (s
)
5539 char *name
= *s
+ 1;
5546 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5551 if (strcmp (name
, "*") == 0)
5555 else if (strcmp (name
, "*=") == 0)
5559 else if (strcmp (name
, "*<") == 0)
5563 else if (strcmp (name
, "*<=") == 0)
5567 else if (strcmp (name
, "*<<") == 0)
5571 else if (strcmp (name
, "*<<=") == 0)
5575 else if (strcasecmp (name
, "*sv") == 0)
5579 else if (strcasecmp (name
, "*od") == 0)
5583 else if (strcasecmp (name
, "*tr") == 0)
5587 else if (strcmp (name
, "*<>") == 0)
5591 else if (strcmp (name
, "*>=") == 0)
5595 else if (strcmp (name
, "*>") == 0)
5599 else if (strcmp (name
, "*>>=") == 0)
5603 else if (strcmp (name
, "*>>") == 0)
5607 else if (strcasecmp (name
, "*nsv") == 0)
5611 else if (strcasecmp (name
, "*ev") == 0)
5625 /* Parse a 64 bit compare immediate and branch completer returning the number
5626 (for encoding in instructions) of the given completer. */
5629 pa_parse_cmpib_64_cmpltr (s
)
5633 char *name
= *s
+ 1;
5640 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5645 if (strcmp (name
, "*<<") == 0)
5649 else if (strcmp (name
, "*=") == 0)
5653 else if (strcmp (name
, "*<") == 0)
5657 else if (strcmp (name
, "*<=") == 0)
5661 else if (strcmp (name
, "*>>=") == 0)
5665 else if (strcmp (name
, "*<>") == 0)
5669 else if (strcasecmp (name
, "*>=") == 0)
5673 else if (strcasecmp (name
, "*>") == 0)
5687 /* Parse a non-negated addition completer returning the number
5688 (for encoding in instructions) of the given completer. */
5691 pa_parse_nonneg_add_cmpltr (s
)
5695 char *name
= *s
+ 1;
5704 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5708 if (strcmp (name
, "=") == 0)
5712 else if (strcmp (name
, "<") == 0)
5716 else if (strcmp (name
, "<=") == 0)
5720 else if (strcasecmp (name
, "nuv") == 0)
5724 else if (strcasecmp (name
, "znv") == 0)
5728 else if (strcasecmp (name
, "sv") == 0)
5732 else if (strcasecmp (name
, "od") == 0)
5736 /* If we have something like addb,n then there is no condition
5738 else if (strcasecmp (name
, "n") == 0)
5750 /* Reset pointers if this was really a ,n for a branch instruction. */
5757 /* Parse a negated addition completer returning the number
5758 (for encoding in instructions) of the given completer. */
5761 pa_parse_neg_add_cmpltr (s
)
5765 char *name
= *s
+ 1;
5774 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5778 if (strcasecmp (name
, "tr") == 0)
5782 else if (strcmp (name
, "<>") == 0)
5786 else if (strcmp (name
, ">=") == 0)
5790 else if (strcmp (name
, ">") == 0)
5794 else if (strcasecmp (name
, "uv") == 0)
5798 else if (strcasecmp (name
, "vnz") == 0)
5802 else if (strcasecmp (name
, "nsv") == 0)
5806 else if (strcasecmp (name
, "ev") == 0)
5810 /* If we have something like addb,n then there is no condition
5812 else if (strcasecmp (name
, "n") == 0)
5824 /* Reset pointers if this was really a ,n for a branch instruction. */
5831 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5832 encoding in instructions) of the given completer. */
5835 pa_parse_addb_64_cmpltr (s
)
5839 char *name
= *s
+ 1;
5848 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5852 if (strcmp (name
, "=") == 0)
5856 else if (strcmp (name
, "<") == 0)
5860 else if (strcmp (name
, "<=") == 0)
5864 else if (strcasecmp (name
, "nuv") == 0)
5868 else if (strcasecmp (name
, "*=") == 0)
5872 else if (strcasecmp (name
, "*<") == 0)
5876 else if (strcasecmp (name
, "*<=") == 0)
5880 else if (strcmp (name
, "tr") == 0)
5884 else if (strcmp (name
, "<>") == 0)
5888 else if (strcmp (name
, ">=") == 0)
5892 else if (strcmp (name
, ">") == 0)
5896 else if (strcasecmp (name
, "uv") == 0)
5900 else if (strcasecmp (name
, "*<>") == 0)
5904 else if (strcasecmp (name
, "*>=") == 0)
5908 else if (strcasecmp (name
, "*>") == 0)
5912 /* If we have something like addb,n then there is no condition
5914 else if (strcasecmp (name
, "n") == 0)
5926 /* Reset pointers if this was really a ,n for a branch instruction. */
5934 /* Handle an alignment directive. Special so that we can update the
5935 alignment of the subspace if necessary. */
5940 /* We must have a valid space and subspace. */
5941 pa_check_current_space_and_subspace ();
5943 /* Let the generic gas code do most of the work. */
5944 s_align_bytes (bytes
);
5946 /* If bytes is a power of 2, then update the current subspace's
5947 alignment if necessary. */
5948 if (exact_log2 (bytes
) != -1)
5949 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5953 /* Handle a .BLOCK type pseudo-op. */
5957 int z ATTRIBUTE_UNUSED
;
5959 unsigned int temp_size
;
5962 /* We must have a valid space and subspace. */
5963 pa_check_current_space_and_subspace ();
5966 temp_size
= get_absolute_expression ();
5968 if (temp_size
> 0x3FFFFFFF)
5970 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5975 /* Always fill with zeros, that's what the HP assembler does. */
5976 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5980 pa_undefine_label ();
5981 demand_empty_rest_of_line ();
5984 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5988 int begin ATTRIBUTE_UNUSED
;
5992 /* The BRTAB relocations are only available in SOM (to denote
5993 the beginning and end of branch tables). */
5994 char *where
= frag_more (0);
5996 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5997 NULL
, (offsetT
) 0, NULL
,
5998 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
6002 demand_empty_rest_of_line ();
6005 /* Handle a .begin_try and .end_try pseudo-op. */
6009 int begin ATTRIBUTE_UNUSED
;
6013 char *where
= frag_more (0);
6018 /* The TRY relocations are only available in SOM (to denote
6019 the beginning and end of exception handling regions). */
6021 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6022 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
6023 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6027 demand_empty_rest_of_line ();
6030 /* Handle a .CALL pseudo-op. This involves storing away information
6031 about where arguments are to be found so the linker can detect
6032 (and correct) argument location mismatches between caller and callee. */
6036 int unused ATTRIBUTE_UNUSED
;
6039 /* We must have a valid space and subspace. */
6040 pa_check_current_space_and_subspace ();
6043 pa_call_args (&last_call_desc
);
6044 demand_empty_rest_of_line ();
6047 /* Do the dirty work of building a call descriptor which describes
6048 where the caller placed arguments to a function call. */
6051 pa_call_args (call_desc
)
6052 struct call_desc
*call_desc
;
6055 unsigned int temp
, arg_reloc
;
6057 while (!is_end_of_statement ())
6059 name
= input_line_pointer
;
6060 c
= get_symbol_end ();
6061 /* Process a source argument. */
6062 if ((strncasecmp (name
, "argw", 4) == 0))
6064 temp
= atoi (name
+ 4);
6065 p
= input_line_pointer
;
6067 input_line_pointer
++;
6068 name
= input_line_pointer
;
6069 c
= get_symbol_end ();
6070 arg_reloc
= pa_build_arg_reloc (name
);
6071 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6073 /* Process a return value. */
6074 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6076 p
= input_line_pointer
;
6078 input_line_pointer
++;
6079 name
= input_line_pointer
;
6080 c
= get_symbol_end ();
6081 arg_reloc
= pa_build_arg_reloc (name
);
6082 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6086 as_bad (_("Invalid .CALL argument: %s"), name
);
6088 p
= input_line_pointer
;
6090 if (!is_end_of_statement ())
6091 input_line_pointer
++;
6095 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6098 is_same_frag (frag1
, frag2
)
6105 else if (frag2
== NULL
)
6107 else if (frag1
== frag2
)
6109 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6110 return (is_same_frag (frag1
, frag2
->fr_next
));
6116 /* Build an entry in the UNWIND subspace from the given function
6117 attributes in CALL_INFO. This is not needed for SOM as using
6118 R_ENTRY and R_EXIT relocations allow the linker to handle building
6119 of the unwind spaces. */
6122 pa_build_unwind_subspace (call_info
)
6123 struct call_info
*call_info
;
6125 asection
*seg
, *save_seg
;
6126 subsegT save_subseg
;
6127 unsigned int unwind
;
6131 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6132 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6133 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6136 reloc
= R_PARISC_SEGREL32
;
6138 save_subseg
= now_subseg
;
6139 /* Get into the right seg/subseg. This may involve creating
6140 the seg the first time through. Make sure to have the
6141 old seg/subseg so that we can reset things when we are done. */
6142 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6143 if (seg
== ASEC_NULL
)
6145 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6146 bfd_set_section_flags (stdoutput
, seg
,
6147 SEC_READONLY
| SEC_HAS_CONTENTS
6148 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6149 bfd_set_section_alignment (stdoutput
, seg
, 2);
6152 subseg_set (seg
, 0);
6154 /* Get some space to hold relocation information for the unwind
6158 /* Relocation info. for start offset of the function. */
6159 md_number_to_chars (p
, 0, 4);
6160 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6161 call_info
->start_symbol
, (offsetT
) 0,
6162 (expressionS
*) NULL
, 0, reloc
,
6165 /* Relocation info. for end offset of the function.
6167 Because we allow reductions of 32bit relocations for ELF, this will be
6168 reduced to section_sym + offset which avoids putting the temporary
6169 symbol into the symbol table. It (should) end up giving the same
6170 value as call_info->start_symbol + function size once the linker is
6171 finished with its work. */
6172 md_number_to_chars (p
+ 4, 0, 4);
6173 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6174 call_info
->end_symbol
, (offsetT
) 0,
6175 (expressionS
*) NULL
, 0, reloc
,
6178 /* Dump the descriptor. */
6179 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6180 md_number_to_chars (p
+ 8, unwind
, 4);
6182 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6183 md_number_to_chars (p
+ 12, unwind
, 4);
6185 /* Return back to the original segment/subsegment. */
6186 subseg_set (save_seg
, save_subseg
);
6190 /* Process a .CALLINFO pseudo-op. This information is used later
6191 to build unwind descriptors and maybe one day to support
6192 .ENTER and .LEAVE. */
6195 pa_callinfo (unused
)
6196 int unused ATTRIBUTE_UNUSED
;
6202 /* We must have a valid space and subspace. */
6203 pa_check_current_space_and_subspace ();
6206 /* .CALLINFO must appear within a procedure definition. */
6207 if (!within_procedure
)
6208 as_bad (_(".callinfo is not within a procedure definition"));
6210 /* Mark the fact that we found the .CALLINFO for the
6211 current procedure. */
6212 callinfo_found
= TRUE
;
6214 /* Iterate over the .CALLINFO arguments. */
6215 while (!is_end_of_statement ())
6217 name
= input_line_pointer
;
6218 c
= get_symbol_end ();
6219 /* Frame size specification. */
6220 if ((strncasecmp (name
, "frame", 5) == 0))
6222 p
= input_line_pointer
;
6224 input_line_pointer
++;
6225 temp
= get_absolute_expression ();
6226 if ((temp
& 0x3) != 0)
6228 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6232 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6233 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6236 /* Entry register (GR, GR and SR) specifications. */
6237 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6239 p
= input_line_pointer
;
6241 input_line_pointer
++;
6242 temp
= get_absolute_expression ();
6243 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6244 even though %r19 is caller saved. I think this is a bug in
6245 the HP assembler, and we are not going to emulate it. */
6246 if (temp
< 3 || temp
> 18)
6247 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6248 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6250 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6252 p
= input_line_pointer
;
6254 input_line_pointer
++;
6255 temp
= get_absolute_expression ();
6256 /* Similarly the HP assembler takes 31 as the high bound even
6257 though %fr21 is the last callee saved floating point register. */
6258 if (temp
< 12 || temp
> 21)
6259 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6260 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6262 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6264 p
= input_line_pointer
;
6266 input_line_pointer
++;
6267 temp
= get_absolute_expression ();
6269 as_bad (_("Value for ENTRY_SR must be 3\n"));
6271 /* Note whether or not this function performs any calls. */
6272 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6273 (strncasecmp (name
, "caller", 6) == 0))
6275 p
= input_line_pointer
;
6278 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6280 p
= input_line_pointer
;
6283 /* Should RP be saved into the stack. */
6284 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6286 p
= input_line_pointer
;
6288 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6290 /* Likewise for SP. */
6291 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6293 p
= input_line_pointer
;
6295 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6297 /* Is this an unwindable procedure. If so mark it so
6298 in the unwind descriptor. */
6299 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6301 p
= input_line_pointer
;
6303 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6305 /* Is this an interrupt routine. If so mark it in the
6306 unwind descriptor. */
6307 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6309 p
= input_line_pointer
;
6311 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6313 /* Is this a millicode routine. "millicode" isn't in my
6314 assembler manual, but my copy is old. The HP assembler
6315 accepts it, and there's a place in the unwind descriptor
6316 to drop the information, so we'll accept it too. */
6317 else if ((strncasecmp (name
, "millicode", 9) == 0))
6319 p
= input_line_pointer
;
6321 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6325 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6326 *input_line_pointer
= c
;
6328 if (!is_end_of_statement ())
6329 input_line_pointer
++;
6332 demand_empty_rest_of_line ();
6335 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6336 /* Switch to the text space. Like s_text, but delete our
6337 label when finished. */
6340 int unused ATTRIBUTE_UNUSED
;
6343 current_space
= is_defined_space ("$TEXT$");
6345 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6349 pa_undefine_label ();
6352 /* Switch to the data space. As usual delete our label. */
6355 int unused ATTRIBUTE_UNUSED
;
6358 current_space
= is_defined_space ("$PRIVATE$");
6360 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6363 pa_undefine_label ();
6366 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6367 the .comm pseudo-op has the following symtax:
6369 <label> .comm <length>
6371 where <label> is optional and is a symbol whose address will be the start of
6372 a block of memory <length> bytes long. <length> must be an absolute
6373 expression. <length> bytes will be allocated in the current space
6376 Also note the label may not even be on the same line as the .comm.
6378 This difference in syntax means the colon function will be called
6379 on the symbol before we arrive in pa_comm. colon will set a number
6380 of attributes of the symbol that need to be fixed here. In particular
6381 the value, section pointer, fragment pointer, flags, etc. What
6384 This also makes error detection all but impossible. */
6388 int unused ATTRIBUTE_UNUSED
;
6392 label_symbol_struct
*label_symbol
= pa_get_label ();
6395 symbol
= label_symbol
->lss_label
;
6400 size
= get_absolute_expression ();
6404 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6405 S_SET_VALUE (symbol
, size
);
6406 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6407 S_SET_EXTERNAL (symbol
);
6409 /* colon() has already set the frag to the current location in the
6410 current subspace; we need to reset the fragment to the zero address
6411 fragment. We also need to reset the segment pointer. */
6412 symbol_set_frag (symbol
, &zero_address_frag
);
6414 demand_empty_rest_of_line ();
6416 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6418 /* Process a .END pseudo-op. */
6422 int unused ATTRIBUTE_UNUSED
;
6424 demand_empty_rest_of_line ();
6427 /* Process a .ENTER pseudo-op. This is not supported. */
6430 int unused ATTRIBUTE_UNUSED
;
6433 /* We must have a valid space and subspace. */
6434 pa_check_current_space_and_subspace ();
6437 as_bad (_("The .ENTER pseudo-op is not supported"));
6438 demand_empty_rest_of_line ();
6441 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6445 int unused ATTRIBUTE_UNUSED
;
6448 /* We must have a valid space and subspace. */
6449 pa_check_current_space_and_subspace ();
6452 if (!within_procedure
)
6453 as_bad (_("Misplaced .entry. Ignored."));
6456 if (!callinfo_found
)
6457 as_bad (_("Missing .callinfo."));
6459 demand_empty_rest_of_line ();
6460 within_entry_exit
= TRUE
;
6463 /* SOM defers building of unwind descriptors until the link phase.
6464 The assembler is responsible for creating an R_ENTRY relocation
6465 to mark the beginning of a region and hold the unwind bits, and
6466 for creating an R_EXIT relocation to mark the end of the region.
6468 FIXME. ELF should be using the same conventions! The problem
6469 is an unwind requires too much relocation space. Hmmm. Maybe
6470 if we split the unwind bits up between the relocations which
6471 denote the entry and exit points. */
6472 if (last_call_info
->start_symbol
!= NULL
)
6477 where
= frag_more (0);
6478 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6479 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6480 NULL
, (offsetT
) 0, NULL
,
6481 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6486 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6487 being able to subtract two register symbols that specify a range of
6488 registers, to get the size of the range. */
6489 static int fudge_reg_expressions
;
6492 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6493 expressionS
*resultP
;
6494 operatorT op ATTRIBUTE_UNUSED
;
6495 expressionS
*rightP
;
6497 if (fudge_reg_expressions
6498 && rightP
->X_op
== O_register
6499 && resultP
->X_op
== O_register
)
6501 rightP
->X_op
= O_constant
;
6502 resultP
->X_op
= O_constant
;
6504 return 0; /* Continue normal expr handling. */
6507 /* Handle a .EQU pseudo-op. */
6513 label_symbol_struct
*label_symbol
= pa_get_label ();
6518 symbol
= label_symbol
->lss_label
;
6522 if (!pa_parse_number (&input_line_pointer
, 0))
6523 as_bad (_(".REG expression must be a register"));
6524 S_SET_VALUE (symbol
, pa_number
);
6525 S_SET_SEGMENT (symbol
, reg_section
);
6532 fudge_reg_expressions
= 1;
6533 seg
= expression (&exp
);
6534 fudge_reg_expressions
= 0;
6535 if (exp
.X_op
!= O_constant
6536 && exp
.X_op
!= O_register
)
6538 if (exp
.X_op
!= O_absent
)
6539 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6540 exp
.X_add_number
= 0;
6541 seg
= absolute_section
;
6543 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6544 S_SET_SEGMENT (symbol
, seg
);
6550 as_bad (_(".REG must use a label"));
6552 as_bad (_(".EQU must use a label"));
6555 pa_undefine_label ();
6556 demand_empty_rest_of_line ();
6559 /* Helper function. Does processing for the end of a function. This
6560 usually involves creating some relocations or building special
6561 symbols to mark the end of the function. */
6568 where
= frag_more (0);
6571 /* Mark the end of the function, stuff away the location of the frag
6572 for the end of the function, and finally call pa_build_unwind_subspace
6573 to add an entry in the unwind table. */
6574 hppa_elf_mark_end_of_function ();
6575 pa_build_unwind_subspace (last_call_info
);
6577 /* SOM defers building of unwind descriptors until the link phase.
6578 The assembler is responsible for creating an R_ENTRY relocation
6579 to mark the beginning of a region and hold the unwind bits, and
6580 for creating an R_EXIT relocation to mark the end of the region.
6582 FIXME. ELF should be using the same conventions! The problem
6583 is an unwind requires too much relocation space. Hmmm. Maybe
6584 if we split the unwind bits up between the relocations which
6585 denote the entry and exit points. */
6586 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6588 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6589 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6593 /* Process a .EXIT pseudo-op. */
6597 int unused ATTRIBUTE_UNUSED
;
6600 /* We must have a valid space and subspace. */
6601 pa_check_current_space_and_subspace ();
6604 if (!within_procedure
)
6605 as_bad (_(".EXIT must appear within a procedure"));
6608 if (!callinfo_found
)
6609 as_bad (_("Missing .callinfo"));
6612 if (!within_entry_exit
)
6613 as_bad (_("No .ENTRY for this .EXIT"));
6616 within_entry_exit
= FALSE
;
6621 demand_empty_rest_of_line ();
6624 /* Process a .EXPORT directive. This makes functions external
6625 and provides information such as argument relocation entries
6630 int unused ATTRIBUTE_UNUSED
;
6635 name
= input_line_pointer
;
6636 c
= get_symbol_end ();
6637 /* Make sure the given symbol exists. */
6638 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6640 as_bad (_("Cannot define export symbol: %s\n"), name
);
6641 p
= input_line_pointer
;
6643 input_line_pointer
++;
6647 /* OK. Set the external bits and process argument relocations.
6648 For the HP, weak and global are not mutually exclusive.
6649 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6650 Call S_SET_EXTERNAL to get the other processing. Manually
6651 set BSF_GLOBAL when we get back. */
6652 S_SET_EXTERNAL (symbol
);
6653 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6654 p
= input_line_pointer
;
6656 if (!is_end_of_statement ())
6658 input_line_pointer
++;
6659 pa_type_args (symbol
, 1);
6663 demand_empty_rest_of_line ();
6666 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6669 pa_type_args (symbolP
, is_export
)
6674 unsigned int temp
, arg_reloc
;
6675 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6676 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6678 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6681 input_line_pointer
+= 8;
6682 bfdsym
->flags
&= ~BSF_FUNCTION
;
6683 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6684 type
= SYMBOL_TYPE_ABSOLUTE
;
6686 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6688 input_line_pointer
+= 4;
6689 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6690 instead one should be IMPORTing/EXPORTing ENTRY types.
6692 Complain if one tries to EXPORT a CODE type since that's never
6693 done. Both GCC and HP C still try to IMPORT CODE types, so
6694 silently fix them to be ENTRY types. */
6695 if (S_IS_FUNCTION (symbolP
))
6698 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6699 S_GET_NAME (symbolP
));
6701 bfdsym
->flags
|= BSF_FUNCTION
;
6702 type
= SYMBOL_TYPE_ENTRY
;
6706 bfdsym
->flags
&= ~BSF_FUNCTION
;
6707 type
= SYMBOL_TYPE_CODE
;
6710 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6712 input_line_pointer
+= 4;
6713 bfdsym
->flags
&= ~BSF_FUNCTION
;
6714 bfdsym
->flags
|= BSF_OBJECT
;
6715 type
= SYMBOL_TYPE_DATA
;
6717 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6719 input_line_pointer
+= 5;
6720 bfdsym
->flags
|= BSF_FUNCTION
;
6721 type
= SYMBOL_TYPE_ENTRY
;
6723 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6725 input_line_pointer
+= 9;
6726 bfdsym
->flags
|= BSF_FUNCTION
;
6729 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6730 elfsym
->internal_elf_sym
.st_info
=
6731 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6735 type
= SYMBOL_TYPE_MILLICODE
;
6737 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6739 input_line_pointer
+= 6;
6740 bfdsym
->flags
&= ~BSF_FUNCTION
;
6741 type
= SYMBOL_TYPE_PLABEL
;
6743 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6745 input_line_pointer
+= 8;
6746 bfdsym
->flags
|= BSF_FUNCTION
;
6747 type
= SYMBOL_TYPE_PRI_PROG
;
6749 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6751 input_line_pointer
+= 8;
6752 bfdsym
->flags
|= BSF_FUNCTION
;
6753 type
= SYMBOL_TYPE_SEC_PROG
;
6756 /* SOM requires much more information about symbol types
6757 than BFD understands. This is how we get this information
6758 to the SOM BFD backend. */
6759 #ifdef obj_set_symbol_type
6760 obj_set_symbol_type (bfdsym
, (int) type
);
6763 /* Now that the type of the exported symbol has been handled,
6764 handle any argument relocation information. */
6765 while (!is_end_of_statement ())
6767 if (*input_line_pointer
== ',')
6768 input_line_pointer
++;
6769 name
= input_line_pointer
;
6770 c
= get_symbol_end ();
6771 /* Argument sources. */
6772 if ((strncasecmp (name
, "argw", 4) == 0))
6774 p
= input_line_pointer
;
6776 input_line_pointer
++;
6777 temp
= atoi (name
+ 4);
6778 name
= input_line_pointer
;
6779 c
= get_symbol_end ();
6780 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6781 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6782 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6784 *input_line_pointer
= c
;
6786 /* The return value. */
6787 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6789 p
= input_line_pointer
;
6791 input_line_pointer
++;
6792 name
= input_line_pointer
;
6793 c
= get_symbol_end ();
6794 arg_reloc
= pa_build_arg_reloc (name
);
6795 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6796 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6798 *input_line_pointer
= c
;
6800 /* Privilege level. */
6801 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6803 p
= input_line_pointer
;
6805 input_line_pointer
++;
6806 temp
= atoi (input_line_pointer
);
6808 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6810 c
= get_symbol_end ();
6811 *input_line_pointer
= c
;
6815 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6816 p
= input_line_pointer
;
6819 if (!is_end_of_statement ())
6820 input_line_pointer
++;
6824 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6825 assembly file must either be defined in the assembly file, or
6826 explicitly IMPORTED from another. */
6830 int unused ATTRIBUTE_UNUSED
;
6835 name
= input_line_pointer
;
6836 c
= get_symbol_end ();
6838 symbol
= symbol_find (name
);
6839 /* Ugh. We might be importing a symbol defined earlier in the file,
6840 in which case all the code below will really screw things up
6841 (set the wrong segment, symbol flags & type, etc). */
6842 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6844 symbol
= symbol_find_or_make (name
);
6845 p
= input_line_pointer
;
6848 if (!is_end_of_statement ())
6850 input_line_pointer
++;
6851 pa_type_args (symbol
, 0);
6855 /* Sigh. To be compatible with the HP assembler and to help
6856 poorly written assembly code, we assign a type based on
6857 the current segment. Note only BSF_FUNCTION really
6858 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6859 if (now_seg
== text_section
)
6860 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6862 /* If the section is undefined, then the symbol is undefined
6863 Since this is an import, leave the section undefined. */
6864 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6869 /* The symbol was already defined. Just eat everything up to
6870 the end of the current statement. */
6871 while (!is_end_of_statement ())
6872 input_line_pointer
++;
6875 demand_empty_rest_of_line ();
6878 /* Handle a .LABEL pseudo-op. */
6882 int unused ATTRIBUTE_UNUSED
;
6886 name
= input_line_pointer
;
6887 c
= get_symbol_end ();
6889 if (strlen (name
) > 0)
6892 p
= input_line_pointer
;
6897 as_warn (_("Missing label name on .LABEL"));
6900 if (!is_end_of_statement ())
6902 as_warn (_("extra .LABEL arguments ignored."));
6903 ignore_rest_of_line ();
6905 demand_empty_rest_of_line ();
6908 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6912 int unused ATTRIBUTE_UNUSED
;
6915 /* We must have a valid space and subspace. */
6916 pa_check_current_space_and_subspace ();
6919 as_bad (_("The .LEAVE pseudo-op is not supported"));
6920 demand_empty_rest_of_line ();
6923 /* Handle a .LEVEL pseudo-op. */
6927 int unused ATTRIBUTE_UNUSED
;
6931 level
= input_line_pointer
;
6932 if (strncmp (level
, "1.0", 3) == 0)
6934 input_line_pointer
+= 3;
6935 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6936 as_warn (_("could not set architecture and machine"));
6938 else if (strncmp (level
, "1.1", 3) == 0)
6940 input_line_pointer
+= 3;
6941 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6942 as_warn (_("could not set architecture and machine"));
6944 else if (strncmp (level
, "2.0w", 4) == 0)
6946 input_line_pointer
+= 4;
6947 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6948 as_warn (_("could not set architecture and machine"));
6950 else if (strncmp (level
, "2.0", 3) == 0)
6952 input_line_pointer
+= 3;
6953 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6954 as_warn (_("could not set architecture and machine"));
6958 as_bad (_("Unrecognized .LEVEL argument\n"));
6959 ignore_rest_of_line ();
6961 demand_empty_rest_of_line ();
6964 /* Handle a .ORIGIN pseudo-op. */
6968 int unused ATTRIBUTE_UNUSED
;
6971 /* We must have a valid space and subspace. */
6972 pa_check_current_space_and_subspace ();
6976 pa_undefine_label ();
6979 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6980 is for static functions. FIXME. Should share more code with .EXPORT. */
6984 int unused ATTRIBUTE_UNUSED
;
6989 name
= input_line_pointer
;
6990 c
= get_symbol_end ();
6992 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6994 as_bad (_("Cannot define static symbol: %s\n"), name
);
6995 p
= input_line_pointer
;
6997 input_line_pointer
++;
7001 S_CLEAR_EXTERNAL (symbol
);
7002 p
= input_line_pointer
;
7004 if (!is_end_of_statement ())
7006 input_line_pointer
++;
7007 pa_type_args (symbol
, 0);
7011 demand_empty_rest_of_line ();
7014 /* Handle a .PROC pseudo-op. It is used to mark the beginning
7015 of a procedure from a syntactical point of view. */
7019 int unused ATTRIBUTE_UNUSED
;
7021 struct call_info
*call_info
;
7024 /* We must have a valid space and subspace. */
7025 pa_check_current_space_and_subspace ();
7028 if (within_procedure
)
7029 as_fatal (_("Nested procedures"));
7031 /* Reset global variables for new procedure. */
7032 callinfo_found
= FALSE
;
7033 within_procedure
= TRUE
;
7035 /* Create another call_info structure. */
7036 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7039 as_fatal (_("Cannot allocate unwind descriptor\n"));
7041 memset (call_info
, 0, sizeof (struct call_info
));
7043 call_info
->ci_next
= NULL
;
7045 if (call_info_root
== NULL
)
7047 call_info_root
= call_info
;
7048 last_call_info
= call_info
;
7052 last_call_info
->ci_next
= call_info
;
7053 last_call_info
= call_info
;
7056 /* set up defaults on call_info structure */
7058 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7059 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7060 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7062 /* If we got a .PROC pseudo-op, we know that the function is defined
7063 locally. Make sure it gets into the symbol table. */
7065 label_symbol_struct
*label_symbol
= pa_get_label ();
7069 if (label_symbol
->lss_label
)
7071 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7072 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7075 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7078 last_call_info
->start_symbol
= NULL
;
7081 demand_empty_rest_of_line ();
7084 /* Process the syntactical end of a procedure. Make sure all the
7085 appropriate pseudo-ops were found within the procedure. */
7089 int unused ATTRIBUTE_UNUSED
;
7093 /* We must have a valid space and subspace. */
7094 pa_check_current_space_and_subspace ();
7097 /* If we are within a procedure definition, make sure we've
7098 defined a label for the procedure; handle case where the
7099 label was defined after the .PROC directive.
7101 Note there's not need to diddle with the segment or fragment
7102 for the label symbol in this case. We have already switched
7103 into the new $CODE$ subspace at this point. */
7104 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7106 label_symbol_struct
*label_symbol
= pa_get_label ();
7110 if (label_symbol
->lss_label
)
7112 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7113 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7116 /* Also handle allocation of a fixup to hold the unwind
7117 information when the label appears after the proc/procend. */
7118 if (within_entry_exit
)
7123 where
= frag_more (0);
7124 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7125 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7126 NULL
, (offsetT
) 0, NULL
,
7127 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7132 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7135 as_bad (_("Missing function name for .PROC"));
7138 if (!within_procedure
)
7139 as_bad (_("misplaced .procend"));
7141 if (!callinfo_found
)
7142 as_bad (_("Missing .callinfo for this procedure"));
7144 if (within_entry_exit
)
7145 as_bad (_("Missing .EXIT for a .ENTRY"));
7148 /* ELF needs to mark the end of each function so that it can compute
7149 the size of the function (apparently its needed in the symbol table). */
7150 hppa_elf_mark_end_of_function ();
7153 within_procedure
= FALSE
;
7154 demand_empty_rest_of_line ();
7155 pa_undefine_label ();
7159 /* If VALUE is an exact power of two between zero and 2^31, then
7160 return log2 (VALUE). Else return -1. */
7168 while ((1 << shift
) != value
&& shift
< 32)
7177 /* Check to make sure we have a valid space and subspace. */
7180 pa_check_current_space_and_subspace ()
7182 if (current_space
== NULL
)
7183 as_fatal (_("Not in a space.\n"));
7185 if (current_subspace
== NULL
)
7186 as_fatal (_("Not in a subspace.\n"));
7189 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7190 then create a new space entry to hold the information specified
7191 by the parameters to the .SPACE directive. */
7193 static sd_chain_struct
*
7194 pa_parse_space_stmt (space_name
, create_flag
)
7198 char *name
, *ptemp
, c
;
7199 char loadable
, defined
, private, sort
;
7201 asection
*seg
= NULL
;
7202 sd_chain_struct
*space
;
7204 /* load default values */
7210 if (strcmp (space_name
, "$TEXT$") == 0)
7212 seg
= pa_def_spaces
[0].segment
;
7213 defined
= pa_def_spaces
[0].defined
;
7214 private = pa_def_spaces
[0].private;
7215 sort
= pa_def_spaces
[0].sort
;
7216 spnum
= pa_def_spaces
[0].spnum
;
7218 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7220 seg
= pa_def_spaces
[1].segment
;
7221 defined
= pa_def_spaces
[1].defined
;
7222 private = pa_def_spaces
[1].private;
7223 sort
= pa_def_spaces
[1].sort
;
7224 spnum
= pa_def_spaces
[1].spnum
;
7227 if (!is_end_of_statement ())
7229 print_errors
= FALSE
;
7230 ptemp
= input_line_pointer
+ 1;
7231 /* First see if the space was specified as a number rather than
7232 as a name. According to the PA assembly manual the rest of
7233 the line should be ignored. */
7235 pa_parse_number (&ptemp
, 0);
7239 input_line_pointer
= ptemp
;
7243 while (!is_end_of_statement ())
7245 input_line_pointer
++;
7246 name
= input_line_pointer
;
7247 c
= get_symbol_end ();
7248 if ((strncasecmp (name
, "spnum", 5) == 0))
7250 *input_line_pointer
= c
;
7251 input_line_pointer
++;
7252 spnum
= get_absolute_expression ();
7254 else if ((strncasecmp (name
, "sort", 4) == 0))
7256 *input_line_pointer
= c
;
7257 input_line_pointer
++;
7258 sort
= get_absolute_expression ();
7260 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7262 *input_line_pointer
= c
;
7265 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7267 *input_line_pointer
= c
;
7270 else if ((strncasecmp (name
, "private", 7) == 0))
7272 *input_line_pointer
= c
;
7277 as_bad (_("Invalid .SPACE argument"));
7278 *input_line_pointer
= c
;
7279 if (!is_end_of_statement ())
7280 input_line_pointer
++;
7284 print_errors
= TRUE
;
7287 if (create_flag
&& seg
== NULL
)
7288 seg
= subseg_new (space_name
, 0);
7290 /* If create_flag is nonzero, then create the new space with
7291 the attributes computed above. Else set the values in
7292 an already existing space -- this can only happen for
7293 the first occurrence of a built-in space. */
7295 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7296 private, sort
, seg
, 1);
7299 space
= is_defined_space (space_name
);
7300 SPACE_SPNUM (space
) = spnum
;
7301 SPACE_DEFINED (space
) = defined
& 1;
7302 SPACE_USER_DEFINED (space
) = 1;
7305 #ifdef obj_set_section_attributes
7306 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7312 /* Handle a .SPACE pseudo-op; this switches the current space to the
7313 given space, creating the new space if necessary. */
7317 int unused ATTRIBUTE_UNUSED
;
7319 char *name
, c
, *space_name
, *save_s
;
7320 sd_chain_struct
*sd_chain
;
7322 if (within_procedure
)
7324 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7325 ignore_rest_of_line ();
7329 /* Check for some of the predefined spaces. FIXME: most of the code
7330 below is repeated several times, can we extract the common parts
7331 and place them into a subroutine or something similar? */
7332 /* FIXME Is this (and the next IF stmt) really right?
7333 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7334 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7336 input_line_pointer
+= 6;
7337 sd_chain
= is_defined_space ("$TEXT$");
7338 if (sd_chain
== NULL
)
7339 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7340 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7341 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7343 current_space
= sd_chain
;
7344 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7346 = pa_subsegment_to_subspace (text_section
,
7347 sd_chain
->sd_last_subseg
);
7348 demand_empty_rest_of_line ();
7351 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7353 input_line_pointer
+= 9;
7354 sd_chain
= is_defined_space ("$PRIVATE$");
7355 if (sd_chain
== NULL
)
7356 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7357 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7358 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7360 current_space
= sd_chain
;
7361 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7363 = pa_subsegment_to_subspace (data_section
,
7364 sd_chain
->sd_last_subseg
);
7365 demand_empty_rest_of_line ();
7368 if (!strncasecmp (input_line_pointer
,
7369 GDB_DEBUG_SPACE_NAME
,
7370 strlen (GDB_DEBUG_SPACE_NAME
)))
7372 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7373 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7374 if (sd_chain
== NULL
)
7375 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7376 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7377 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7379 current_space
= sd_chain
;
7382 asection
*gdb_section
7383 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7385 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7387 = pa_subsegment_to_subspace (gdb_section
,
7388 sd_chain
->sd_last_subseg
);
7390 demand_empty_rest_of_line ();
7394 /* It could be a space specified by number. */
7396 save_s
= input_line_pointer
;
7398 pa_parse_number (&input_line_pointer
, 0);
7401 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7403 current_space
= sd_chain
;
7405 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7407 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7408 sd_chain
->sd_last_subseg
);
7409 demand_empty_rest_of_line ();
7414 /* Not a number, attempt to create a new space. */
7416 input_line_pointer
= save_s
;
7417 name
= input_line_pointer
;
7418 c
= get_symbol_end ();
7419 space_name
= xmalloc (strlen (name
) + 1);
7420 strcpy (space_name
, name
);
7421 *input_line_pointer
= c
;
7423 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7424 current_space
= sd_chain
;
7426 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7427 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7428 sd_chain
->sd_last_subseg
);
7429 demand_empty_rest_of_line ();
7433 /* Switch to a new space. (I think). FIXME. */
7437 int unused ATTRIBUTE_UNUSED
;
7442 sd_chain_struct
*space
;
7444 name
= input_line_pointer
;
7445 c
= get_symbol_end ();
7446 space
= is_defined_space (name
);
7450 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7453 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7455 *input_line_pointer
= c
;
7456 demand_empty_rest_of_line ();
7459 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7460 given subspace, creating the new subspace if necessary.
7462 FIXME. Should mirror pa_space more closely, in particular how
7463 they're broken up into subroutines. */
7466 pa_subspace (create_new
)
7469 char *name
, *ss_name
, c
;
7470 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7471 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7472 sd_chain_struct
*space
;
7473 ssd_chain_struct
*ssd
;
7476 if (current_space
== NULL
)
7477 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7479 if (within_procedure
)
7481 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7482 ignore_rest_of_line ();
7486 name
= input_line_pointer
;
7487 c
= get_symbol_end ();
7488 ss_name
= xmalloc (strlen (name
) + 1);
7489 strcpy (ss_name
, name
);
7490 *input_line_pointer
= c
;
7492 /* Load default values. */
7505 space
= current_space
;
7509 ssd
= is_defined_subspace (ss_name
);
7510 /* Allow user to override the builtin attributes of subspaces. But
7511 only allow the attributes to be changed once! */
7512 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7514 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7515 current_subspace
= ssd
;
7516 if (!is_end_of_statement ())
7517 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7518 demand_empty_rest_of_line ();
7523 /* A new subspace. Load default values if it matches one of
7524 the builtin subspaces. */
7526 while (pa_def_subspaces
[i
].name
)
7528 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7530 loadable
= pa_def_subspaces
[i
].loadable
;
7531 comdat
= pa_def_subspaces
[i
].comdat
;
7532 common
= pa_def_subspaces
[i
].common
;
7533 dup_common
= pa_def_subspaces
[i
].dup_common
;
7534 code_only
= pa_def_subspaces
[i
].code_only
;
7535 zero
= pa_def_subspaces
[i
].zero
;
7536 space_index
= pa_def_subspaces
[i
].space_index
;
7537 alignment
= pa_def_subspaces
[i
].alignment
;
7538 quadrant
= pa_def_subspaces
[i
].quadrant
;
7539 access
= pa_def_subspaces
[i
].access
;
7540 sort
= pa_def_subspaces
[i
].sort
;
7547 /* We should be working with a new subspace now. Fill in
7548 any information as specified by the user. */
7549 if (!is_end_of_statement ())
7551 input_line_pointer
++;
7552 while (!is_end_of_statement ())
7554 name
= input_line_pointer
;
7555 c
= get_symbol_end ();
7556 if ((strncasecmp (name
, "quad", 4) == 0))
7558 *input_line_pointer
= c
;
7559 input_line_pointer
++;
7560 quadrant
= get_absolute_expression ();
7562 else if ((strncasecmp (name
, "align", 5) == 0))
7564 *input_line_pointer
= c
;
7565 input_line_pointer
++;
7566 alignment
= get_absolute_expression ();
7567 if (exact_log2 (alignment
) == -1)
7569 as_bad (_("Alignment must be a power of 2"));
7573 else if ((strncasecmp (name
, "access", 6) == 0))
7575 *input_line_pointer
= c
;
7576 input_line_pointer
++;
7577 access
= get_absolute_expression ();
7579 else if ((strncasecmp (name
, "sort", 4) == 0))
7581 *input_line_pointer
= c
;
7582 input_line_pointer
++;
7583 sort
= get_absolute_expression ();
7585 else if ((strncasecmp (name
, "code_only", 9) == 0))
7587 *input_line_pointer
= c
;
7590 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7592 *input_line_pointer
= c
;
7595 else if ((strncasecmp (name
, "comdat", 6) == 0))
7597 *input_line_pointer
= c
;
7600 else if ((strncasecmp (name
, "common", 6) == 0))
7602 *input_line_pointer
= c
;
7605 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7607 *input_line_pointer
= c
;
7610 else if ((strncasecmp (name
, "zero", 4) == 0))
7612 *input_line_pointer
= c
;
7615 else if ((strncasecmp (name
, "first", 5) == 0))
7616 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7618 as_bad (_("Invalid .SUBSPACE argument"));
7619 if (!is_end_of_statement ())
7620 input_line_pointer
++;
7624 /* Compute a reasonable set of BFD flags based on the information
7625 in the .subspace directive. */
7626 applicable
= bfd_applicable_section_flags (stdoutput
);
7629 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7633 /* These flags are used to implement various flavors of initialized
7634 common. The SOM linker discards duplicate subspaces when they
7635 have the same "key" symbol name. This support is more like
7636 GNU linkonce than BFD common. Further, pc-relative relocations
7637 are converted to section relative relocations in BFD common
7638 sections. This complicates the handling of relocations in
7639 common sections containing text and isn't currently supported
7640 correctly in the SOM BFD backend. */
7641 if (comdat
|| common
|| dup_common
)
7642 flags
|= SEC_LINK_ONCE
;
7644 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7646 /* This is a zero-filled subspace (eg BSS). */
7648 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7650 applicable
&= flags
;
7652 /* If this is an existing subspace, then we want to use the
7653 segment already associated with the subspace.
7655 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7656 lots of sections. It might be a problem in the PA ELF
7657 code, I do not know yet. For now avoid creating anything
7658 but the "standard" sections for ELF. */
7660 section
= subseg_force_new (ss_name
, 0);
7662 section
= ssd
->ssd_seg
;
7664 section
= subseg_new (ss_name
, 0);
7667 seg_info (section
)->bss
= 1;
7669 /* Now set the flags. */
7670 bfd_set_section_flags (stdoutput
, section
, applicable
);
7672 /* Record any alignment request for this section. */
7673 record_alignment (section
, exact_log2 (alignment
));
7675 /* Set the starting offset for this section. */
7676 bfd_set_section_vma (stdoutput
, section
,
7677 pa_subspace_start (space
, quadrant
));
7679 /* Now that all the flags are set, update an existing subspace,
7680 or create a new one. */
7683 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7684 code_only
, comdat
, common
,
7685 dup_common
, sort
, zero
, access
,
7686 space_index
, alignment
, quadrant
,
7689 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7690 code_only
, comdat
, common
,
7691 dup_common
, zero
, sort
,
7692 access
, space_index
,
7693 alignment
, quadrant
, section
);
7695 demand_empty_rest_of_line ();
7696 current_subspace
->ssd_seg
= section
;
7697 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7699 SUBSPACE_DEFINED (current_subspace
) = 1;
7702 /* Create default space and subspace dictionaries. */
7709 space_dict_root
= NULL
;
7710 space_dict_last
= NULL
;
7713 while (pa_def_spaces
[i
].name
)
7717 /* Pick the right name to use for the new section. */
7718 name
= pa_def_spaces
[i
].name
;
7720 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7721 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7722 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7723 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7724 pa_def_spaces
[i
].segment
, 0);
7729 while (pa_def_subspaces
[i
].name
)
7732 int applicable
, subsegment
;
7733 asection
*segment
= NULL
;
7734 sd_chain_struct
*space
;
7736 /* Pick the right name for the new section and pick the right
7737 subsegment number. */
7738 name
= pa_def_subspaces
[i
].name
;
7741 /* Create the new section. */
7742 segment
= subseg_new (name
, subsegment
);
7744 /* For SOM we want to replace the standard .text, .data, and .bss
7745 sections with our own. We also want to set BFD flags for
7746 all the built-in subspaces. */
7747 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7749 text_section
= segment
;
7750 applicable
= bfd_applicable_section_flags (stdoutput
);
7751 bfd_set_section_flags (stdoutput
, segment
,
7752 applicable
& (SEC_ALLOC
| SEC_LOAD
7753 | SEC_RELOC
| SEC_CODE
7755 | SEC_HAS_CONTENTS
));
7757 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7759 data_section
= segment
;
7760 applicable
= bfd_applicable_section_flags (stdoutput
);
7761 bfd_set_section_flags (stdoutput
, segment
,
7762 applicable
& (SEC_ALLOC
| SEC_LOAD
7764 | SEC_HAS_CONTENTS
));
7767 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7769 bss_section
= segment
;
7770 applicable
= bfd_applicable_section_flags (stdoutput
);
7771 bfd_set_section_flags (stdoutput
, segment
,
7772 applicable
& SEC_ALLOC
);
7774 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7776 applicable
= bfd_applicable_section_flags (stdoutput
);
7777 bfd_set_section_flags (stdoutput
, segment
,
7778 applicable
& (SEC_ALLOC
| SEC_LOAD
7781 | SEC_HAS_CONTENTS
));
7783 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7785 applicable
= bfd_applicable_section_flags (stdoutput
);
7786 bfd_set_section_flags (stdoutput
, segment
,
7787 applicable
& (SEC_ALLOC
| SEC_LOAD
7790 | SEC_HAS_CONTENTS
));
7792 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7794 applicable
= bfd_applicable_section_flags (stdoutput
);
7795 bfd_set_section_flags (stdoutput
, segment
,
7796 applicable
& (SEC_ALLOC
| SEC_LOAD
7799 | SEC_HAS_CONTENTS
));
7802 /* Find the space associated with this subspace. */
7803 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7804 def_space_index
].segment
);
7807 as_fatal (_("Internal error: Unable to find containing space for %s."),
7808 pa_def_subspaces
[i
].name
);
7811 create_new_subspace (space
, name
,
7812 pa_def_subspaces
[i
].loadable
,
7813 pa_def_subspaces
[i
].code_only
,
7814 pa_def_subspaces
[i
].comdat
,
7815 pa_def_subspaces
[i
].common
,
7816 pa_def_subspaces
[i
].dup_common
,
7817 pa_def_subspaces
[i
].zero
,
7818 pa_def_subspaces
[i
].sort
,
7819 pa_def_subspaces
[i
].access
,
7820 pa_def_subspaces
[i
].space_index
,
7821 pa_def_subspaces
[i
].alignment
,
7822 pa_def_subspaces
[i
].quadrant
,
7828 /* Create a new space NAME, with the appropriate flags as defined
7829 by the given parameters. */
7831 static sd_chain_struct
*
7832 create_new_space (name
, spnum
, loadable
, defined
, private,
7833 sort
, seg
, user_defined
)
7836 int loadable ATTRIBUTE_UNUSED
;
7843 sd_chain_struct
*chain_entry
;
7845 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7847 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7850 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7851 strcpy (SPACE_NAME (chain_entry
), name
);
7852 SPACE_DEFINED (chain_entry
) = defined
;
7853 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7854 SPACE_SPNUM (chain_entry
) = spnum
;
7856 chain_entry
->sd_seg
= seg
;
7857 chain_entry
->sd_last_subseg
= -1;
7858 chain_entry
->sd_subspaces
= NULL
;
7859 chain_entry
->sd_next
= NULL
;
7861 /* Find spot for the new space based on its sort key. */
7862 if (!space_dict_last
)
7863 space_dict_last
= chain_entry
;
7865 if (space_dict_root
== NULL
)
7866 space_dict_root
= chain_entry
;
7869 sd_chain_struct
*chain_pointer
;
7870 sd_chain_struct
*prev_chain_pointer
;
7872 chain_pointer
= space_dict_root
;
7873 prev_chain_pointer
= NULL
;
7875 while (chain_pointer
)
7877 prev_chain_pointer
= chain_pointer
;
7878 chain_pointer
= chain_pointer
->sd_next
;
7881 /* At this point we've found the correct place to add the new
7882 entry. So add it and update the linked lists as appropriate. */
7883 if (prev_chain_pointer
)
7885 chain_entry
->sd_next
= chain_pointer
;
7886 prev_chain_pointer
->sd_next
= chain_entry
;
7890 space_dict_root
= chain_entry
;
7891 chain_entry
->sd_next
= chain_pointer
;
7894 if (chain_entry
->sd_next
== NULL
)
7895 space_dict_last
= chain_entry
;
7898 /* This is here to catch predefined spaces which do not get
7899 modified by the user's input. Another call is found at
7900 the bottom of pa_parse_space_stmt to handle cases where
7901 the user modifies a predefined space. */
7902 #ifdef obj_set_section_attributes
7903 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7909 /* Create a new subspace NAME, with the appropriate flags as defined
7910 by the given parameters.
7912 Add the new subspace to the subspace dictionary chain in numerical
7913 order as defined by the SORT entries. */
7915 static ssd_chain_struct
*
7916 create_new_subspace (space
, name
, loadable
, code_only
, comdat
, common
,
7917 dup_common
, is_zero
, sort
, access
, space_index
,
7918 alignment
, quadrant
, seg
)
7919 sd_chain_struct
*space
;
7921 int loadable ATTRIBUTE_UNUSED
;
7922 int code_only ATTRIBUTE_UNUSED
;
7923 int comdat
, common
, dup_common
;
7924 int is_zero ATTRIBUTE_UNUSED
;
7927 int space_index ATTRIBUTE_UNUSED
;
7928 int alignment ATTRIBUTE_UNUSED
;
7932 ssd_chain_struct
*chain_entry
;
7934 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7936 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7938 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7939 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7941 /* Initialize subspace_defined. When we hit a .subspace directive
7942 we'll set it to 1 which "locks-in" the subspace attributes. */
7943 SUBSPACE_DEFINED (chain_entry
) = 0;
7945 chain_entry
->ssd_subseg
= 0;
7946 chain_entry
->ssd_seg
= seg
;
7947 chain_entry
->ssd_next
= NULL
;
7949 /* Find spot for the new subspace based on its sort key. */
7950 if (space
->sd_subspaces
== NULL
)
7951 space
->sd_subspaces
= chain_entry
;
7954 ssd_chain_struct
*chain_pointer
;
7955 ssd_chain_struct
*prev_chain_pointer
;
7957 chain_pointer
= space
->sd_subspaces
;
7958 prev_chain_pointer
= NULL
;
7960 while (chain_pointer
)
7962 prev_chain_pointer
= chain_pointer
;
7963 chain_pointer
= chain_pointer
->ssd_next
;
7966 /* Now we have somewhere to put the new entry. Insert it and update
7968 if (prev_chain_pointer
)
7970 chain_entry
->ssd_next
= chain_pointer
;
7971 prev_chain_pointer
->ssd_next
= chain_entry
;
7975 space
->sd_subspaces
= chain_entry
;
7976 chain_entry
->ssd_next
= chain_pointer
;
7980 #ifdef obj_set_subsection_attributes
7981 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
, sort
,
7982 quadrant
, comdat
, common
, dup_common
);
7988 /* Update the information for the given subspace based upon the
7989 various arguments. Return the modified subspace chain entry. */
7991 static ssd_chain_struct
*
7992 update_subspace (space
, name
, loadable
, code_only
, comdat
, common
, dup_common
,
7993 sort
, zero
, access
, space_index
, alignment
, quadrant
, section
)
7994 sd_chain_struct
*space
;
7996 int loadable ATTRIBUTE_UNUSED
;
7997 int code_only ATTRIBUTE_UNUSED
;
8001 int zero ATTRIBUTE_UNUSED
;
8004 int space_index ATTRIBUTE_UNUSED
;
8005 int alignment ATTRIBUTE_UNUSED
;
8009 ssd_chain_struct
*chain_entry
;
8011 chain_entry
= is_defined_subspace (name
);
8013 #ifdef obj_set_subsection_attributes
8014 obj_set_subsection_attributes (section
, space
->sd_seg
, access
, sort
,
8015 quadrant
, comdat
, common
, dup_common
);
8021 /* Return the space chain entry for the space with the name NAME or
8022 NULL if no such space exists. */
8024 static sd_chain_struct
*
8025 is_defined_space (name
)
8028 sd_chain_struct
*chain_pointer
;
8030 for (chain_pointer
= space_dict_root
;
8032 chain_pointer
= chain_pointer
->sd_next
)
8034 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
8035 return chain_pointer
;
8038 /* No mapping from segment to space was found. Return NULL. */
8042 /* Find and return the space associated with the given seg. If no mapping
8043 from the given seg to a space is found, then return NULL.
8045 Unlike subspaces, the number of spaces is not expected to grow much,
8046 so a linear exhaustive search is OK here. */
8048 static sd_chain_struct
*
8049 pa_segment_to_space (seg
)
8052 sd_chain_struct
*space_chain
;
8054 /* Walk through each space looking for the correct mapping. */
8055 for (space_chain
= space_dict_root
;
8057 space_chain
= space_chain
->sd_next
)
8059 if (space_chain
->sd_seg
== seg
)
8063 /* Mapping was not found. Return NULL. */
8067 /* Return the first space chain entry for the subspace with the name
8068 NAME or NULL if no such subspace exists.
8070 When there are multiple subspaces with the same name, switching to
8071 the first (i.e., default) subspace is preferable in most situations.
8072 For example, it wouldn't be desirable to merge COMDAT data with non
8075 Uses a linear search through all the spaces and subspaces, this may
8076 not be appropriate if we ever being placing each function in its
8079 static ssd_chain_struct
*
8080 is_defined_subspace (name
)
8083 sd_chain_struct
*space_chain
;
8084 ssd_chain_struct
*subspace_chain
;
8086 /* Walk through each space. */
8087 for (space_chain
= space_dict_root
;
8089 space_chain
= space_chain
->sd_next
)
8091 /* Walk through each subspace looking for a name which matches. */
8092 for (subspace_chain
= space_chain
->sd_subspaces
;
8094 subspace_chain
= subspace_chain
->ssd_next
)
8095 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8096 return subspace_chain
;
8099 /* Subspace wasn't found. Return NULL. */
8103 /* Find and return the subspace associated with the given seg. If no
8104 mapping from the given seg to a subspace is found, then return NULL.
8106 If we ever put each procedure/function within its own subspace
8107 (to make life easier on the compiler and linker), then this will have
8108 to become more efficient. */
8110 static ssd_chain_struct
*
8111 pa_subsegment_to_subspace (seg
, subseg
)
8115 sd_chain_struct
*space_chain
;
8116 ssd_chain_struct
*subspace_chain
;
8118 /* Walk through each space. */
8119 for (space_chain
= space_dict_root
;
8121 space_chain
= space_chain
->sd_next
)
8123 if (space_chain
->sd_seg
== seg
)
8125 /* Walk through each subspace within each space looking for
8126 the correct mapping. */
8127 for (subspace_chain
= space_chain
->sd_subspaces
;
8129 subspace_chain
= subspace_chain
->ssd_next
)
8130 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8131 return subspace_chain
;
8135 /* No mapping from subsegment to subspace found. Return NULL. */
8139 /* Given a number, try and find a space with the name number.
8141 Return a pointer to a space dictionary chain entry for the space
8142 that was found or NULL on failure. */
8144 static sd_chain_struct
*
8145 pa_find_space_by_number (number
)
8148 sd_chain_struct
*space_chain
;
8150 for (space_chain
= space_dict_root
;
8152 space_chain
= space_chain
->sd_next
)
8154 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8158 /* No appropriate space found. Return NULL. */
8162 /* Return the starting address for the given subspace. If the starting
8163 address is unknown then return zero. */
8166 pa_subspace_start (space
, quadrant
)
8167 sd_chain_struct
*space
;
8170 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8171 is not correct for the PA OSF1 port. */
8172 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8174 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8182 /* Helper function for pa_stringer. Used to find the end of
8189 unsigned int c
= *s
& CHAR_MASK
;
8202 /* Handle a .STRING type pseudo-op. */
8205 pa_stringer (append_zero
)
8208 char *s
, num_buf
[4];
8212 /* Preprocess the string to handle PA-specific escape sequences.
8213 For example, \xDD where DD is a hexadecimal number should be
8214 changed to \OOO where OOO is an octal number. */
8217 /* We must have a valid space and subspace. */
8218 pa_check_current_space_and_subspace ();
8221 /* Skip the opening quote. */
8222 s
= input_line_pointer
+ 1;
8224 while (is_a_char (c
= pa_stringer_aux (s
++)))
8231 /* Handle \x<num>. */
8234 unsigned int number
;
8239 /* Get past the 'x'. */
8241 for (num_digit
= 0, number
= 0, dg
= *s
;
8243 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8244 || (dg
>= 'A' && dg
<= 'F'));
8248 number
= number
* 16 + dg
- '0';
8249 else if (dg
>= 'a' && dg
<= 'f')
8250 number
= number
* 16 + dg
- 'a' + 10;
8252 number
= number
* 16 + dg
- 'A' + 10;
8262 sprintf (num_buf
, "%02o", number
);
8265 sprintf (num_buf
, "%03o", number
);
8268 for (i
= 0; i
<= num_digit
; i
++)
8269 s_start
[i
] = num_buf
[i
];
8273 /* This might be a "\"", skip over the escaped char. */
8280 stringer (append_zero
);
8281 pa_undefine_label ();
8284 /* Handle a .VERSION pseudo-op. */
8288 int unused ATTRIBUTE_UNUSED
;
8291 pa_undefine_label ();
8296 /* Handle a .COMPILER pseudo-op. */
8299 pa_compiler (unused
)
8300 int unused ATTRIBUTE_UNUSED
;
8302 obj_som_compiler (0);
8303 pa_undefine_label ();
8308 /* Handle a .COPYRIGHT pseudo-op. */
8311 pa_copyright (unused
)
8312 int unused ATTRIBUTE_UNUSED
;
8315 pa_undefine_label ();
8318 /* Just like a normal cons, but when finished we have to undefine
8319 the latest space label. */
8326 pa_undefine_label ();
8329 /* Like float_cons, but we need to undefine our label. */
8332 pa_float_cons (float_type
)
8335 float_cons (float_type
);
8336 pa_undefine_label ();
8339 /* Like s_fill, but delete our label when finished. */
8343 int unused ATTRIBUTE_UNUSED
;
8346 /* We must have a valid space and subspace. */
8347 pa_check_current_space_and_subspace ();
8351 pa_undefine_label ();
8354 /* Like lcomm, but delete our label when finished. */
8357 pa_lcomm (needs_align
)
8361 /* We must have a valid space and subspace. */
8362 pa_check_current_space_and_subspace ();
8365 s_lcomm (needs_align
);
8366 pa_undefine_label ();
8369 /* Like lsym, but delete our label when finished. */
8373 int unused ATTRIBUTE_UNUSED
;
8376 /* We must have a valid space and subspace. */
8377 pa_check_current_space_and_subspace ();
8381 pa_undefine_label ();
8384 /* On the PA relocations which involve function symbols must not be
8385 adjusted. This so that the linker can know when/how to create argument
8386 relocation stubs for indirect calls and calls to static functions.
8388 "T" field selectors create DLT relative fixups for accessing
8389 globals and statics in PIC code; each DLT relative fixup creates
8390 an entry in the DLT table. The entries contain the address of
8391 the final target (eg accessing "foo" would create a DLT entry
8392 with the address of "foo").
8394 Unfortunately, the HP linker doesn't take into account any addend
8395 when generating the DLT; so accessing $LIT$+8 puts the address of
8396 $LIT$ into the DLT rather than the address of $LIT$+8.
8398 The end result is we can't perform relocation symbol reductions for
8399 any fixup which creates entries in the DLT (eg they use "T" field
8402 ??? Reject reductions involving symbols with external scope; such
8403 reductions make life a living hell for object file editors. */
8406 hppa_fix_adjustable (fixp
)
8412 struct hppa_fix_struct
*hppa_fix
;
8414 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8417 /* LR/RR selectors are implicitly used for a number of different relocation
8418 types. We must ensure that none of these types are adjusted (see below)
8419 even if they occur with a different selector. */
8420 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8421 hppa_fix
->fx_r_format
,
8422 hppa_fix
->fx_r_field
);
8426 /* Relocation types which use e_lrsel. */
8427 case R_PARISC_DIR21L
:
8428 case R_PARISC_DLTREL21L
:
8429 case R_PARISC_DPREL21L
:
8430 case R_PARISC_PLTOFF21L
:
8432 /* Relocation types which use e_rrsel. */
8433 case R_PARISC_DIR14R
:
8434 case R_PARISC_DIR14DR
:
8435 case R_PARISC_DIR14WR
:
8436 case R_PARISC_DIR17R
:
8437 case R_PARISC_DLTREL14R
:
8438 case R_PARISC_DLTREL14DR
:
8439 case R_PARISC_DLTREL14WR
:
8440 case R_PARISC_DPREL14R
:
8441 case R_PARISC_DPREL14DR
:
8442 case R_PARISC_DPREL14WR
:
8443 case R_PARISC_PLTOFF14R
:
8444 case R_PARISC_PLTOFF14DR
:
8445 case R_PARISC_PLTOFF14WR
:
8447 /* Other types that we reject for reduction. */
8448 case R_PARISC_GNU_VTENTRY
:
8449 case R_PARISC_GNU_VTINHERIT
:
8456 /* Reject reductions of symbols in sym1-sym2 expressions when
8457 the fixup will occur in a CODE subspace.
8459 XXX FIXME: Long term we probably want to reject all of these;
8460 for example reducing in the debug section would lose if we ever
8461 supported using the optimizing hp linker. */
8464 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8467 /* We can't adjust any relocs that use LR% and RR% field selectors.
8469 If a symbol is reduced to a section symbol, the assembler will
8470 adjust the addend unless the symbol happens to reside right at
8471 the start of the section. Additionally, the linker has no choice
8472 but to manipulate the addends when coalescing input sections for
8473 "ld -r". Since an LR% field selector is defined to round the
8474 addend, we can't change the addend without risking that a LR% and
8475 it's corresponding (possible multiple) RR% field will no longer
8476 sum to the right value.
8479 . ldil LR%foo+0,%r21
8480 . ldw RR%foo+0(%r21),%r26
8481 . ldw RR%foo+4(%r21),%r25
8483 If foo is at address 4092 (decimal) in section `sect', then after
8484 reducing to the section symbol we get
8485 . LR%sect+4092 == (L%sect)+0
8486 . RR%sect+4092 == (R%sect)+4092
8487 . RR%sect+4096 == (R%sect)-4096
8488 and the last address loses because rounding the addend to 8k
8489 multiples takes us up to 8192 with an offset of -4096.
8491 In cases where the LR% expression is identical to the RR% one we
8492 will never have a problem, but is so happens that gcc rounds
8493 addends involved in LR% field selectors to work around a HP
8494 linker bug. ie. We often have addresses like the last case
8495 above where the LR% expression is offset from the RR% one. */
8497 if (hppa_fix
->fx_r_field
== e_lrsel
8498 || hppa_fix
->fx_r_field
== e_rrsel
8499 || hppa_fix
->fx_r_field
== e_nlrsel
)
8502 /* Reject reductions of symbols in DLT relative relocs,
8503 relocations with plabels. */
8504 if (hppa_fix
->fx_r_field
== e_tsel
8505 || hppa_fix
->fx_r_field
== e_ltsel
8506 || hppa_fix
->fx_r_field
== e_rtsel
8507 || hppa_fix
->fx_r_field
== e_psel
8508 || hppa_fix
->fx_r_field
== e_rpsel
8509 || hppa_fix
->fx_r_field
== e_lpsel
)
8512 /* Reject absolute calls (jumps). */
8513 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8516 /* Reject reductions of function symbols. */
8517 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8523 /* Return nonzero if the fixup in FIXP will require a relocation,
8524 even it if appears that the fixup could be completely handled
8528 hppa_force_relocation (fixp
)
8531 struct hppa_fix_struct
*hppa_fixp
;
8533 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8535 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8536 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8537 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8538 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8539 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8540 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8541 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8542 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8546 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8547 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8551 assert (fixp
->fx_addsy
!= NULL
);
8553 /* Ensure we emit a relocation for global symbols so that dynamic
8555 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8558 /* It is necessary to force PC-relative calls/jumps to have a relocation
8559 entry if they're going to need either an argument relocation or long
8562 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8563 hppa_fixp
->fx_arg_reloc
))
8566 /* Now check to see if we're going to need a long-branch stub. */
8567 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8569 long pc
= md_pcrel_from (fixp
);
8570 valueT distance
, min_stub_distance
;
8572 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8574 /* Distance to the closest possible stub. This will detect most
8575 but not all circumstances where a stub will not work. */
8576 min_stub_distance
= pc
+ 16;
8578 if (last_call_info
!= NULL
)
8579 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8582 if ((distance
+ 8388608 >= 16777216
8583 && min_stub_distance
<= 8388608)
8584 || (hppa_fixp
->fx_r_format
== 17
8585 && distance
+ 262144 >= 524288
8586 && min_stub_distance
<= 262144)
8587 || (hppa_fixp
->fx_r_format
== 12
8588 && distance
+ 8192 >= 16384
8589 && min_stub_distance
<= 8192)
8594 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8597 /* No need (yet) to force another relocations to be emitted. */
8601 /* Now for some ELF specific code. FIXME. */
8603 /* Mark the end of a function so that it's possible to compute
8604 the size of the function in elf_hppa_final_processing. */
8607 hppa_elf_mark_end_of_function ()
8609 /* ELF does not have EXIT relocations. All we do is create a
8610 temporary symbol marking the end of the function. */
8613 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8615 /* We have already warned about a missing label,
8616 or other problems. */
8620 name
= (char *) xmalloc (strlen ("L$\001end_")
8621 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8627 strcpy (name
, "L$\001end_");
8628 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8630 /* If we have a .exit followed by a .procend, then the
8631 symbol will have already been defined. */
8632 symbolP
= symbol_find (name
);
8635 /* The symbol has already been defined! This can
8636 happen if we have a .exit followed by a .procend.
8638 This is *not* an error. All we want to do is free
8639 the memory we just allocated for the name and continue. */
8644 /* symbol value should be the offset of the
8645 last instruction of the function */
8646 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8650 S_CLEAR_EXTERNAL (symbolP
);
8651 symbol_table_insert (symbolP
);
8655 last_call_info
->end_symbol
= symbolP
;
8657 as_bad (_("Symbol '%s' could not be created."), name
);
8661 as_bad (_("No memory for symbol name."));
8665 /* For ELF, this function serves one purpose: to setup the st_size
8666 field of STT_FUNC symbols. To do this, we need to scan the
8667 call_info structure list, determining st_size in by taking the
8668 difference in the address of the beginning/end marker symbols. */
8671 elf_hppa_final_processing ()
8673 struct call_info
*call_info_pointer
;
8675 for (call_info_pointer
= call_info_root
;
8677 call_info_pointer
= call_info_pointer
->ci_next
)
8679 elf_symbol_type
*esym
8680 = ((elf_symbol_type
*)
8681 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8682 esym
->internal_elf_sym
.st_size
=
8683 S_GET_VALUE (call_info_pointer
->end_symbol
)
8684 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8689 pa_vtable_entry (ignore
)
8690 int ignore ATTRIBUTE_UNUSED
;
8692 struct fix
*new_fix
;
8694 new_fix
= obj_elf_vtable_entry (0);
8698 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8699 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8700 hppa_fix
->fx_r_type
= R_HPPA
;
8701 hppa_fix
->fx_r_field
= e_fsel
;
8702 hppa_fix
->fx_r_format
= 32;
8703 hppa_fix
->fx_arg_reloc
= 0;
8704 hppa_fix
->segment
= now_seg
;
8705 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8706 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8711 pa_vtable_inherit (ignore
)
8712 int ignore ATTRIBUTE_UNUSED
;
8714 struct fix
*new_fix
;
8716 new_fix
= obj_elf_vtable_inherit (0);
8720 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8721 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8722 hppa_fix
->fx_r_type
= R_HPPA
;
8723 hppa_fix
->fx_r_field
= e_fsel
;
8724 hppa_fix
->fx_r_format
= 32;
8725 hppa_fix
->fx_arg_reloc
= 0;
8726 hppa_fix
->segment
= now_seg
;
8727 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8728 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;