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 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 syntax checking is enabled. Zero otherwise.
776 Each opcode in the table has a flag which indicates whether or not
777 strict syntax checking should be enabled for that instruction. */
778 static int strict
= 0;
780 /* pa_parse_number returns values in `pa_number'. Mostly
781 pa_parse_number is used to return a register number, with floating
782 point registers being numbered from FP_REG_BASE upwards.
783 The bit specified with FP_REG_RSEL is set if the floating point
784 register has a `r' suffix. */
785 #define FP_REG_BASE 64
786 #define FP_REG_RSEL 128
787 static int pa_number
;
790 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
791 static symbolS
*dummy_symbol
;
794 /* Nonzero if errors are to be printed. */
795 static int print_errors
= 1;
797 /* List of registers that are pre-defined:
799 Each general register has one predefined name of the form
800 %r<REGNUM> which has the value <REGNUM>.
802 Space and control registers are handled in a similar manner,
803 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
805 Likewise for the floating point registers, but of the form
806 %fr<REGNUM>. Floating point registers have additional predefined
807 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
808 again have the value <REGNUM>.
810 Many registers also have synonyms:
812 %r26 - %r23 have %arg0 - %arg3 as synonyms
813 %r28 - %r29 have %ret0 - %ret1 as synonyms
814 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
815 %r30 has %sp as a synonym
816 %r27 has %dp as a synonym
817 %r2 has %rp as a synonym
819 Almost every control register has a synonym; they are not listed
822 The table is sorted. Suitable for searching by a binary search. */
824 static const struct pd_reg pre_defined_registers
[] =
858 {"%farg0", 4 + FP_REG_BASE
},
859 {"%farg1", 5 + FP_REG_BASE
},
860 {"%farg2", 6 + FP_REG_BASE
},
861 {"%farg3", 7 + FP_REG_BASE
},
862 {"%fr0", 0 + FP_REG_BASE
},
863 {"%fr0l", 0 + FP_REG_BASE
},
864 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
865 {"%fr1", 1 + FP_REG_BASE
},
866 {"%fr10", 10 + FP_REG_BASE
},
867 {"%fr10l", 10 + FP_REG_BASE
},
868 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
869 {"%fr11", 11 + FP_REG_BASE
},
870 {"%fr11l", 11 + FP_REG_BASE
},
871 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
872 {"%fr12", 12 + FP_REG_BASE
},
873 {"%fr12l", 12 + FP_REG_BASE
},
874 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
875 {"%fr13", 13 + FP_REG_BASE
},
876 {"%fr13l", 13 + FP_REG_BASE
},
877 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
878 {"%fr14", 14 + FP_REG_BASE
},
879 {"%fr14l", 14 + FP_REG_BASE
},
880 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
881 {"%fr15", 15 + FP_REG_BASE
},
882 {"%fr15l", 15 + FP_REG_BASE
},
883 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
884 {"%fr16", 16 + FP_REG_BASE
},
885 {"%fr16l", 16 + FP_REG_BASE
},
886 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
887 {"%fr17", 17 + FP_REG_BASE
},
888 {"%fr17l", 17 + FP_REG_BASE
},
889 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
890 {"%fr18", 18 + FP_REG_BASE
},
891 {"%fr18l", 18 + FP_REG_BASE
},
892 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
893 {"%fr19", 19 + FP_REG_BASE
},
894 {"%fr19l", 19 + FP_REG_BASE
},
895 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
896 {"%fr1l", 1 + FP_REG_BASE
},
897 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
898 {"%fr2", 2 + FP_REG_BASE
},
899 {"%fr20", 20 + FP_REG_BASE
},
900 {"%fr20l", 20 + FP_REG_BASE
},
901 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
902 {"%fr21", 21 + FP_REG_BASE
},
903 {"%fr21l", 21 + FP_REG_BASE
},
904 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
905 {"%fr22", 22 + FP_REG_BASE
},
906 {"%fr22l", 22 + FP_REG_BASE
},
907 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
908 {"%fr23", 23 + FP_REG_BASE
},
909 {"%fr23l", 23 + FP_REG_BASE
},
910 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
911 {"%fr24", 24 + FP_REG_BASE
},
912 {"%fr24l", 24 + FP_REG_BASE
},
913 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
914 {"%fr25", 25 + FP_REG_BASE
},
915 {"%fr25l", 25 + FP_REG_BASE
},
916 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
917 {"%fr26", 26 + FP_REG_BASE
},
918 {"%fr26l", 26 + FP_REG_BASE
},
919 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
920 {"%fr27", 27 + FP_REG_BASE
},
921 {"%fr27l", 27 + FP_REG_BASE
},
922 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
923 {"%fr28", 28 + FP_REG_BASE
},
924 {"%fr28l", 28 + FP_REG_BASE
},
925 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
926 {"%fr29", 29 + FP_REG_BASE
},
927 {"%fr29l", 29 + FP_REG_BASE
},
928 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
929 {"%fr2l", 2 + FP_REG_BASE
},
930 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
931 {"%fr3", 3 + FP_REG_BASE
},
932 {"%fr30", 30 + FP_REG_BASE
},
933 {"%fr30l", 30 + FP_REG_BASE
},
934 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
935 {"%fr31", 31 + FP_REG_BASE
},
936 {"%fr31l", 31 + FP_REG_BASE
},
937 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
938 {"%fr3l", 3 + FP_REG_BASE
},
939 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
940 {"%fr4", 4 + FP_REG_BASE
},
941 {"%fr4l", 4 + FP_REG_BASE
},
942 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
943 {"%fr5", 5 + FP_REG_BASE
},
944 {"%fr5l", 5 + FP_REG_BASE
},
945 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
946 {"%fr6", 6 + FP_REG_BASE
},
947 {"%fr6l", 6 + FP_REG_BASE
},
948 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
949 {"%fr7", 7 + FP_REG_BASE
},
950 {"%fr7l", 7 + FP_REG_BASE
},
951 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
952 {"%fr8", 8 + FP_REG_BASE
},
953 {"%fr8l", 8 + FP_REG_BASE
},
954 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
955 {"%fr9", 9 + FP_REG_BASE
},
956 {"%fr9l", 9 + FP_REG_BASE
},
957 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
966 #if TARGET_ARCH_SIZE == 64
1042 /* This table is sorted by order of the length of the string. This is
1043 so we check for <> before we check for <. If we had a <> and checked
1044 for < first, we would get a false match. */
1045 static const struct fp_cond_map fp_cond_map
[] =
1081 static const struct selector_entry selector_table
[] =
1106 /* default space and subspace dictionaries */
1108 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1109 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1111 /* pre-defined subsegments (subspaces) for the HPPA. */
1112 #define SUBSEG_CODE 0
1113 #define SUBSEG_LIT 1
1114 #define SUBSEG_MILLI 2
1115 #define SUBSEG_DATA 0
1116 #define SUBSEG_BSS 2
1117 #define SUBSEG_UNWIND 3
1118 #define SUBSEG_GDB_STRINGS 0
1119 #define SUBSEG_GDB_SYMBOLS 1
1121 static struct default_subspace_dict pa_def_subspaces
[] =
1123 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1124 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1125 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1126 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1127 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1128 {NULL
, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1131 static struct default_space_dict pa_def_spaces
[] =
1133 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1134 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1135 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1138 /* Misc local definitions used by the assembler. */
1140 /* These macros are used to maintain spaces/subspaces. */
1141 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1142 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1143 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1144 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1146 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1147 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1150 /* Return nonzero if the string pointed to by S potentially represents
1151 a right or left half of a FP register */
1152 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1153 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1155 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1156 main loop after insertion. */
1158 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1160 ((OPCODE) |= (FIELD) << (START)); \
1164 /* Simple range checking for FIELD against HIGH and LOW bounds.
1165 IGNORE is used to suppress the error message. */
1167 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1169 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1172 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1178 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1179 the current file and line number are not valid. */
1181 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1183 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1185 as_bad_where ((FILENAME), (LINE), \
1186 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1192 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1193 IGNORE is used to suppress the error message. */
1195 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1197 if ((FIELD) & ((ALIGN) - 1)) \
1200 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1206 #define is_DP_relative(exp) \
1207 ((exp).X_op == O_subtract \
1208 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1210 #define is_PC_relative(exp) \
1211 ((exp).X_op == O_subtract \
1212 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1214 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1215 always be able to reduce the expression to a constant, so we don't
1216 need real complex handling yet. */
1217 #define is_complex(exp) \
1218 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1220 /* Actual functions to implement the PA specific code for the assembler. */
1222 /* Called before writing the object file. Make sure entry/exit and
1223 proc/procend pairs match. */
1228 if (within_entry_exit
)
1229 as_fatal (_("Missing .exit\n"));
1231 if (within_procedure
)
1232 as_fatal (_("Missing .procend\n"));
1235 /* Returns a pointer to the label_symbol_struct for the current space.
1236 or NULL if no label_symbol_struct exists for the current space. */
1238 static label_symbol_struct
*
1241 label_symbol_struct
*label_chain
;
1243 for (label_chain
= label_symbols_rootp
;
1245 label_chain
= label_chain
->lss_next
)
1248 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1252 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1260 /* Defines a label for the current space. If one is already defined,
1261 this function will replace it with the new label. */
1264 pa_define_label (symbol
)
1267 label_symbol_struct
*label_chain
= pa_get_label ();
1270 label_chain
->lss_label
= symbol
;
1273 /* Create a new label entry and add it to the head of the chain. */
1275 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1276 label_chain
->lss_label
= symbol
;
1278 label_chain
->lss_space
= current_space
;
1281 label_chain
->lss_segment
= now_seg
;
1283 label_chain
->lss_next
= NULL
;
1285 if (label_symbols_rootp
)
1286 label_chain
->lss_next
= label_symbols_rootp
;
1288 label_symbols_rootp
= label_chain
;
1292 /* Removes a label definition for the current space.
1293 If there is no label_symbol_struct entry, then no action is taken. */
1296 pa_undefine_label ()
1298 label_symbol_struct
*label_chain
;
1299 label_symbol_struct
*prev_label_chain
= NULL
;
1301 for (label_chain
= label_symbols_rootp
;
1303 label_chain
= label_chain
->lss_next
)
1307 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1310 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1314 /* Remove the label from the chain and free its memory. */
1315 if (prev_label_chain
)
1316 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1318 label_symbols_rootp
= label_chain
->lss_next
;
1323 prev_label_chain
= label_chain
;
1327 /* An HPPA-specific version of fix_new. This is required because the HPPA
1328 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1329 results in the creation of an instance of an hppa_fix_struct. An
1330 hppa_fix_struct stores the extra information along with a pointer to the
1331 original fixS. This is attached to the original fixup via the
1332 tc_fix_data field. */
1335 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1336 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1340 symbolS
*add_symbol
;
1344 bfd_reloc_code_real_type r_type
;
1345 enum hppa_reloc_field_selector_type_alt r_field
;
1347 unsigned int arg_reloc
;
1348 int unwind_bits ATTRIBUTE_UNUSED
;
1352 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1353 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1356 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1358 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1359 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1360 hppa_fix
->fx_r_type
= r_type
;
1361 hppa_fix
->fx_r_field
= r_field
;
1362 hppa_fix
->fx_r_format
= r_format
;
1363 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1364 hppa_fix
->segment
= now_seg
;
1366 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1367 new_fix
->fx_offset
= unwind_bits
;
1370 /* foo-$global$ is used to access non-automatic storage. $global$
1371 is really just a marker and has served its purpose, so eliminate
1372 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1373 if (new_fix
->fx_subsy
1374 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1375 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0))
1376 new_fix
->fx_subsy
= NULL
;
1379 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1380 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1383 parse_cons_expression_hppa (exp
)
1386 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1390 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1391 hppa_field_selector is set by the parse_cons_expression_hppa. */
1394 cons_fix_new_hppa (frag
, where
, size
, exp
)
1400 unsigned int rel_type
;
1402 /* Get a base relocation type. */
1403 if (is_DP_relative (*exp
))
1404 rel_type
= R_HPPA_GOTOFF
;
1405 else if (is_PC_relative (*exp
))
1406 rel_type
= R_HPPA_PCREL_CALL
;
1407 else if (is_complex (*exp
))
1408 rel_type
= R_HPPA_COMPLEX
;
1412 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1414 as_warn (_("Invalid field selector. Assuming F%%."));
1415 hppa_field_selector
= e_fsel
;
1418 fix_new_hppa (frag
, where
, size
,
1419 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1420 hppa_field_selector
, size
* 8, 0, 0);
1422 /* Reset field selector to its default state. */
1423 hppa_field_selector
= 0;
1426 /* This function is called once, at assembler startup time. It should
1427 set up all the tables, etc. that the MD part of the assembler will need. */
1432 const char *retval
= NULL
;
1436 last_call_info
= NULL
;
1437 call_info_root
= NULL
;
1439 /* Set the default machine type. */
1440 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
1441 as_warn (_("could not set architecture and machine"));
1443 /* Folding of text and data segments fails miserably on the PA.
1444 Warn user and disable "-R" option. */
1445 if (flag_readonly_data_in_text
)
1447 as_warn (_("-R option not supported on this target."));
1448 flag_readonly_data_in_text
= 0;
1455 op_hash
= hash_new ();
1457 while (i
< NUMOPCODES
)
1459 const char *name
= pa_opcodes
[i
].name
;
1460 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1461 if (retval
!= NULL
&& *retval
!= '\0')
1463 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1468 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1469 != pa_opcodes
[i
].match
)
1471 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1472 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1477 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1481 as_fatal (_("Broken assembler. No assembly attempted."));
1484 /* SOM will change text_section. To make sure we never put
1485 anything into the old one switch to the new one now. */
1486 subseg_set (text_section
, 0);
1490 dummy_symbol
= symbol_find_or_make ("L$dummy");
1491 S_SET_SEGMENT (dummy_symbol
, text_section
);
1492 /* Force the symbol to be converted to a real symbol. */
1493 (void) symbol_get_bfdsym (dummy_symbol
);
1497 /* Assemble a single instruction storing it into a frag. */
1504 /* The had better be something to assemble. */
1507 /* If we are within a procedure definition, make sure we've
1508 defined a label for the procedure; handle case where the
1509 label was defined after the .PROC directive.
1511 Note there's not need to diddle with the segment or fragment
1512 for the label symbol in this case. We have already switched
1513 into the new $CODE$ subspace at this point. */
1514 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1516 label_symbol_struct
*label_symbol
= pa_get_label ();
1520 if (label_symbol
->lss_label
)
1522 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1523 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1526 /* Also handle allocation of a fixup to hold the unwind
1527 information when the label appears after the proc/procend. */
1528 if (within_entry_exit
)
1533 where
= frag_more (0);
1534 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
1535 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1536 NULL
, (offsetT
) 0, NULL
,
1537 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
1542 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1545 as_bad (_("Missing function name for .PROC"));
1548 /* Assemble the instruction. Results are saved into "the_insn". */
1551 /* Get somewhere to put the assembled instruction. */
1554 /* Output the opcode. */
1555 md_number_to_chars (to
, the_insn
.opcode
, 4);
1557 /* If necessary output more stuff. */
1558 if (the_insn
.reloc
!= R_HPPA_NONE
)
1559 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1560 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1561 the_insn
.reloc
, the_insn
.field_selector
,
1562 the_insn
.format
, the_insn
.arg_reloc
, 0);
1565 dwarf2_emit_insn (4);
1569 /* Do the real work for assembling a single instruction. Store results
1570 into the global "the_insn" variable. */
1576 char *error_message
= "";
1577 char *s
, c
, *argstart
, *name
, *save_s
;
1580 int need_promotion
= FALSE
;
1582 int cmpltr
, nullif
, flag
, cond
, num
;
1583 unsigned long opcode
;
1584 struct pa_opcode
*insn
;
1585 struct pa_opcode
*promoted_insn
= NULL
;
1588 /* We must have a valid space and subspace. */
1589 pa_check_current_space_and_subspace ();
1592 /* Convert everything up to the first whitespace character into lower
1594 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1597 /* Skip to something interesting. */
1599 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
1619 as_fatal (_("Unknown opcode: `%s'"), str
);
1622 /* Look up the opcode in the has table. */
1623 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1625 as_bad ("Unknown opcode: `%s'", str
);
1634 /* Mark the location where arguments for the instruction start, then
1635 start processing them. */
1639 /* Do some initialization. */
1640 opcode
= insn
->match
;
1641 strict
= (insn
->flags
& FLAG_STRICT
);
1642 memset (&the_insn
, 0, sizeof (the_insn
));
1644 the_insn
.reloc
= R_HPPA_NONE
;
1646 if (insn
->arch
>= 20
1647 && bfd_get_mach (stdoutput
) < insn
->arch
)
1650 /* Build the opcode, checking as we go to make
1651 sure that the operands match. */
1652 for (args
= insn
->args
;; ++args
)
1654 /* Absorb white space in instruction. */
1655 while (*s
== ' ' || *s
== '\t')
1661 /* End of arguments. */
1677 /* These must match exactly. */
1686 /* Handle a 5 bit register or control register field at 10. */
1689 if (!pa_parse_number (&s
, 0))
1692 CHECK_FIELD (num
, 31, 0, 0);
1693 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1695 /* Handle %sar or %cr11. No bits get set, we just verify that it
1698 /* Skip whitespace before register. */
1699 while (*s
== ' ' || *s
== '\t')
1702 if (!strncasecmp (s
, "%sar", 4))
1707 else if (!strncasecmp (s
, "%cr11", 5))
1714 /* Handle a 5 bit register field at 15. */
1716 if (!pa_parse_number (&s
, 0))
1719 CHECK_FIELD (num
, 31, 0, 0);
1720 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1722 /* Handle a 5 bit register field at 31. */
1724 if (!pa_parse_number (&s
, 0))
1727 CHECK_FIELD (num
, 31, 0, 0);
1728 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1730 /* Handle a 5 bit register field at 10 and 15. */
1732 if (!pa_parse_number (&s
, 0))
1735 CHECK_FIELD (num
, 31, 0, 0);
1736 opcode
|= num
<< 16;
1737 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1739 /* Handle a 5 bit field length at 31. */
1741 num
= pa_get_absolute_expression (&the_insn
, &s
);
1742 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1745 CHECK_FIELD (num
, 32, 1, 0);
1746 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1748 /* Handle a 5 bit immediate at 15. */
1750 num
= pa_get_absolute_expression (&the_insn
, &s
);
1751 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1754 /* When in strict mode, we want to just reject this
1755 match instead of giving an out of range error. */
1756 CHECK_FIELD (num
, 15, -16, strict
);
1757 num
= low_sign_unext (num
, 5);
1758 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1760 /* Handle a 5 bit immediate at 31. */
1762 num
= pa_get_absolute_expression (&the_insn
, &s
);
1763 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1766 /* When in strict mode, we want to just reject this
1767 match instead of giving an out of range error. */
1768 CHECK_FIELD (num
, 15, -16, strict
);
1769 num
= low_sign_unext (num
, 5);
1770 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1772 /* Handle an unsigned 5 bit immediate at 31. */
1774 num
= pa_get_absolute_expression (&the_insn
, &s
);
1775 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1778 CHECK_FIELD (num
, 31, 0, strict
);
1779 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1781 /* Handle an unsigned 5 bit immediate at 15. */
1783 num
= pa_get_absolute_expression (&the_insn
, &s
);
1784 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1787 CHECK_FIELD (num
, 31, 0, strict
);
1788 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1790 /* Handle an unsigned 10 bit immediate at 15. */
1792 num
= pa_get_absolute_expression (&the_insn
, &s
);
1793 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1796 CHECK_FIELD (num
, 1023, 0, strict
);
1797 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1799 /* Handle a 2 bit space identifier at 17. */
1801 if (!pa_parse_number (&s
, 0))
1804 CHECK_FIELD (num
, 3, 0, 1);
1805 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1807 /* Handle a 3 bit space identifier at 18. */
1809 if (!pa_parse_number (&s
, 0))
1812 CHECK_FIELD (num
, 7, 0, 1);
1813 opcode
|= re_assemble_3 (num
);
1816 /* Handle all completers. */
1821 /* Handle a completer for an indexing load or store. */
1828 while (*s
== ',' && i
< 2)
1831 if (strncasecmp (s
, "sm", 2) == 0)
1838 else if (strncasecmp (s
, "m", 1) == 0)
1840 else if ((strncasecmp (s
, "s ", 2) == 0)
1841 || (strncasecmp (s
, "s,", 2) == 0))
1843 /* When in strict mode this is a match failure. */
1850 as_bad (_("Invalid Indexed Load Completer."));
1855 as_bad (_("Invalid Indexed Load Completer Syntax."));
1857 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1860 /* Handle a short load/store completer. */
1873 if (strncasecmp (s
, "ma", 2) == 0)
1879 else if (strncasecmp (s
, "mb", 2) == 0)
1886 /* When in strict mode, pass through for cache op. */
1887 if (!found
&& strict
)
1892 as_bad (_("Invalid Short Load/Store Completer."));
1896 /* If we did not get a ma/mb completer, then we do not
1897 consider this a positive match for 'ce'. */
1898 else if (*args
== 'e')
1901 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1902 encode the before/after field. */
1903 if (*args
== 'm' || *args
== 'M')
1906 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1908 else if (*args
== 'q')
1911 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1913 else if (*args
== 'J')
1915 /* M bit is explicit in the major opcode. */
1916 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1918 else if (*args
== 'e')
1920 /* Stash the ma/mb flag temporarily in the
1921 instruction. We will use (and remove it)
1922 later when handling 'J', 'K', '<' & '>'. */
1928 /* Handle a stbys completer. */
1935 while (*s
== ',' && i
< 2)
1938 if (strncasecmp (s
, "m", 1) == 0)
1940 else if ((strncasecmp (s
, "b ", 2) == 0)
1941 || (strncasecmp (s
, "b,", 2) == 0))
1943 else if (strncasecmp (s
, "e", 1) == 0)
1945 /* When in strict mode this is a match failure. */
1952 as_bad (_("Invalid Store Bytes Short Completer"));
1957 as_bad (_("Invalid Store Bytes Short Completer"));
1959 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1962 /* Handle load cache hint completer. */
1965 if (!strncmp (s
, ",sl", 3))
1970 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1972 /* Handle store cache hint completer. */
1975 if (!strncmp (s
, ",sl", 3))
1980 else if (!strncmp (s
, ",bc", 3))
1985 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1987 /* Handle load and clear cache hint completer. */
1990 if (!strncmp (s
, ",co", 3))
1995 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1997 /* Handle load ordering completer. */
1999 if (strncmp (s
, ",o", 2) != 0)
2004 /* Handle a branch gate completer. */
2006 if (strncasecmp (s
, ",gate", 5) != 0)
2011 /* Handle a branch link and push completer. */
2013 if (strncasecmp (s
, ",l,push", 7) != 0)
2018 /* Handle a branch link completer. */
2020 if (strncasecmp (s
, ",l", 2) != 0)
2025 /* Handle a branch pop completer. */
2027 if (strncasecmp (s
, ",pop", 4) != 0)
2032 /* Handle a local processor completer. */
2034 if (strncasecmp (s
, ",l", 2) != 0)
2039 /* Handle a PROBE read/write completer. */
2042 if (!strncasecmp (s
, ",w", 2))
2047 else if (!strncasecmp (s
, ",r", 2))
2053 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2055 /* Handle MFCTL wide completer. */
2057 if (strncasecmp (s
, ",w", 2) != 0)
2062 /* Handle an RFI restore completer. */
2065 if (!strncasecmp (s
, ",r", 2))
2071 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2073 /* Handle a system control completer. */
2075 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2083 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2085 /* Handle intermediate/final completer for DCOR. */
2088 if (!strncasecmp (s
, ",i", 2))
2094 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2096 /* Handle zero/sign extension completer. */
2099 if (!strncasecmp (s
, ",z", 2))
2105 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2107 /* Handle add completer. */
2110 if (!strncasecmp (s
, ",l", 2))
2115 else if (!strncasecmp (s
, ",tsv", 4))
2121 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2123 /* Handle 64 bit carry for ADD. */
2126 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2127 !strncasecmp (s
, ",tsv,dc", 7))
2132 else if (!strncasecmp (s
, ",dc", 3))
2140 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2142 /* Handle 32 bit carry for ADD. */
2145 if (!strncasecmp (s
, ",c,tsv", 6) ||
2146 !strncasecmp (s
, ",tsv,c", 6))
2151 else if (!strncasecmp (s
, ",c", 2))
2159 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2161 /* Handle trap on signed overflow. */
2164 if (!strncasecmp (s
, ",tsv", 4))
2170 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2172 /* Handle trap on condition and overflow. */
2175 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2176 !strncasecmp (s
, ",tsv,tc", 7))
2181 else if (!strncasecmp (s
, ",tc", 3))
2189 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2191 /* Handle 64 bit borrow for SUB. */
2194 if (!strncasecmp (s
, ",db,tsv", 7) ||
2195 !strncasecmp (s
, ",tsv,db", 7))
2200 else if (!strncasecmp (s
, ",db", 3))
2208 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2210 /* Handle 32 bit borrow for SUB. */
2213 if (!strncasecmp (s
, ",b,tsv", 6) ||
2214 !strncasecmp (s
, ",tsv,b", 6))
2219 else if (!strncasecmp (s
, ",b", 2))
2227 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2229 /* Handle trap condition completer for UADDCM. */
2232 if (!strncasecmp (s
, ",tc", 3))
2238 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2240 /* Handle signed/unsigned at 21. */
2244 if (strncasecmp (s
, ",s", 2) == 0)
2249 else if (strncasecmp (s
, ",u", 2) == 0)
2255 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2258 /* Handle left/right combination at 17:18. */
2268 as_bad (_("Invalid left/right combination completer"));
2271 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2274 as_bad (_("Invalid left/right combination completer"));
2277 /* Handle saturation at 24:25. */
2281 if (strncasecmp (s
, ",ss", 3) == 0)
2286 else if (strncasecmp (s
, ",us", 3) == 0)
2292 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2295 /* Handle permutation completer. */
2323 as_bad (_("Invalid permutation completer"));
2325 opcode
|= perm
<< permloc
[i
];
2330 as_bad (_("Invalid permutation completer"));
2338 /* Handle all conditions. */
2344 /* Handle FP compare conditions. */
2346 cond
= pa_parse_fp_cmp_cond (&s
);
2347 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2349 /* Handle an add condition. */
2358 /* 64 bit conditions. */
2370 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2374 if (strcmp (name
, "=") == 0)
2376 else if (strcmp (name
, "<") == 0)
2378 else if (strcmp (name
, "<=") == 0)
2380 else if (strcasecmp (name
, "nuv") == 0)
2382 else if (strcasecmp (name
, "znv") == 0)
2384 else if (strcasecmp (name
, "sv") == 0)
2386 else if (strcasecmp (name
, "od") == 0)
2388 else if (strcasecmp (name
, "tr") == 0)
2393 else if (strcmp (name
, "<>") == 0)
2398 else if (strcmp (name
, ">=") == 0)
2403 else if (strcmp (name
, ">") == 0)
2408 else if (strcasecmp (name
, "uv") == 0)
2413 else if (strcasecmp (name
, "vnz") == 0)
2418 else if (strcasecmp (name
, "nsv") == 0)
2423 else if (strcasecmp (name
, "ev") == 0)
2428 /* ",*" is a valid condition. */
2429 else if (*args
== 'a' || *name
)
2430 as_bad (_("Invalid Add Condition: %s"), name
);
2433 opcode
|= cmpltr
<< 13;
2434 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2436 /* Handle non-negated add and branch condition. */
2438 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2441 as_bad (_("Invalid Add and Branch Condition"));
2444 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2446 /* Handle 64 bit wide-mode add and branch condition. */
2448 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2451 as_bad (_("Invalid Add and Branch Condition"));
2456 /* Negated condition requires an opcode change. */
2457 opcode
|= (cmpltr
& 8) << 24;
2459 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2461 /* Handle a negated or non-negated add and branch
2465 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2469 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2472 as_bad (_("Invalid Compare/Subtract Condition"));
2477 /* Negated condition requires an opcode change. */
2481 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2483 /* Handle branch on bit conditions. */
2501 if (strncmp (s
, "<", 1) == 0)
2506 else if (strncmp (s
, ">=", 2) == 0)
2512 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2514 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2516 /* Handle a compare/subtract condition. */
2525 /* 64 bit conditions. */
2537 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2541 if (strcmp (name
, "=") == 0)
2543 else if (strcmp (name
, "<") == 0)
2545 else if (strcmp (name
, "<=") == 0)
2547 else if (strcasecmp (name
, "<<") == 0)
2549 else if (strcasecmp (name
, "<<=") == 0)
2551 else if (strcasecmp (name
, "sv") == 0)
2553 else if (strcasecmp (name
, "od") == 0)
2555 else if (strcasecmp (name
, "tr") == 0)
2560 else if (strcmp (name
, "<>") == 0)
2565 else if (strcmp (name
, ">=") == 0)
2570 else if (strcmp (name
, ">") == 0)
2575 else if (strcasecmp (name
, ">>=") == 0)
2580 else if (strcasecmp (name
, ">>") == 0)
2585 else if (strcasecmp (name
, "nsv") == 0)
2590 else if (strcasecmp (name
, "ev") == 0)
2595 /* ",*" is a valid condition. */
2596 else if (*args
!= 'S' || *name
)
2597 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2601 opcode
|= cmpltr
<< 13;
2602 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2604 /* Handle a non-negated compare condition. */
2606 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2609 as_bad (_("Invalid Compare/Subtract Condition"));
2612 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2614 /* Handle a 32 bit compare and branch condition. */
2617 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2621 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2624 as_bad (_("Invalid Compare and Branch Condition"));
2629 /* Negated condition requires an opcode change. */
2634 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2636 /* Handle a 64 bit compare and branch condition. */
2638 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2641 /* Negated condition requires an opcode change. */
2642 opcode
|= (cmpltr
& 8) << 26;
2645 /* Not a 64 bit cond. Give 32 bit a chance. */
2648 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2650 /* Handle a 64 bit cmpib condition. */
2652 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2654 /* Not a 64 bit cond. Give 32 bit a chance. */
2657 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2659 /* Handle a logical instruction condition. */
2668 /* 64 bit conditions. */
2680 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2685 if (strcmp (name
, "=") == 0)
2687 else if (strcmp (name
, "<") == 0)
2689 else if (strcmp (name
, "<=") == 0)
2691 else if (strcasecmp (name
, "od") == 0)
2693 else if (strcasecmp (name
, "tr") == 0)
2698 else if (strcmp (name
, "<>") == 0)
2703 else if (strcmp (name
, ">=") == 0)
2708 else if (strcmp (name
, ">") == 0)
2713 else if (strcasecmp (name
, "ev") == 0)
2718 /* ",*" is a valid condition. */
2719 else if (*args
!= 'L' || *name
)
2720 as_bad (_("Invalid Logical Instruction Condition."));
2723 opcode
|= cmpltr
<< 13;
2724 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2726 /* Handle a shift/extract/deposit condition. */
2735 /* 64 bit conditions. */
2747 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2751 if (strcmp (name
, "=") == 0)
2753 else if (strcmp (name
, "<") == 0)
2755 else if (strcasecmp (name
, "od") == 0)
2757 else if (strcasecmp (name
, "tr") == 0)
2759 else if (strcmp (name
, "<>") == 0)
2761 else if (strcmp (name
, ">=") == 0)
2763 else if (strcasecmp (name
, "ev") == 0)
2765 /* Handle movb,n. Put things back the way they were.
2766 This includes moving s back to where it started. */
2767 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2773 /* ",*" is a valid condition. */
2774 else if (*args
!= 'X' || *name
)
2775 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2778 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2780 /* Handle a unit instruction condition. */
2789 /* 64 bit conditions. */
2800 if (strncasecmp (s
, "sbz", 3) == 0)
2805 else if (strncasecmp (s
, "shz", 3) == 0)
2810 else if (strncasecmp (s
, "sdc", 3) == 0)
2815 else if (strncasecmp (s
, "sbc", 3) == 0)
2820 else if (strncasecmp (s
, "shc", 3) == 0)
2825 else if (strncasecmp (s
, "tr", 2) == 0)
2831 else if (strncasecmp (s
, "nbz", 3) == 0)
2837 else if (strncasecmp (s
, "nhz", 3) == 0)
2843 else if (strncasecmp (s
, "ndc", 3) == 0)
2849 else if (strncasecmp (s
, "nbc", 3) == 0)
2855 else if (strncasecmp (s
, "nhc", 3) == 0)
2861 else if (strncasecmp (s
, "swz", 3) == 0)
2867 else if (strncasecmp (s
, "swc", 3) == 0)
2873 else if (strncasecmp (s
, "nwz", 3) == 0)
2879 else if (strncasecmp (s
, "nwc", 3) == 0)
2885 /* ",*" is a valid condition. */
2886 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
2887 as_bad (_("Invalid Unit Instruction Condition."));
2889 opcode
|= cmpltr
<< 13;
2890 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2898 /* Handle a nullification completer for branch instructions. */
2900 nullif
= pa_parse_nullif (&s
);
2901 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2903 /* Handle a nullification completer for copr and spop insns. */
2905 nullif
= pa_parse_nullif (&s
);
2906 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2908 /* Handle ,%r2 completer for new syntax branches. */
2910 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2912 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2918 /* Handle 3 bit entry into the fp compare array. Valid values
2919 are 0..6 inclusive. */
2923 if (the_insn
.exp
.X_op
== O_constant
)
2925 num
= evaluate_absolute (&the_insn
);
2926 CHECK_FIELD (num
, 6, 0, 0);
2928 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2933 /* Handle 3 bit entry into the fp compare array. Valid values
2934 are 0..6 inclusive. */
2937 if (the_insn
.exp
.X_op
== O_constant
)
2940 num
= evaluate_absolute (&the_insn
);
2941 CHECK_FIELD (num
, 6, 0, 0);
2942 num
= (num
+ 1) ^ 1;
2943 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2948 /* Handle graphics test completers for ftest */
2951 num
= pa_parse_ftest_gfx_completer (&s
);
2952 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2955 /* Handle a 11 bit immediate at 31. */
2957 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2960 if (the_insn
.exp
.X_op
== O_constant
)
2962 num
= evaluate_absolute (&the_insn
);
2963 CHECK_FIELD (num
, 1023, -1024, 0);
2964 num
= low_sign_unext (num
, 11);
2965 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2969 if (is_DP_relative (the_insn
.exp
))
2970 the_insn
.reloc
= R_HPPA_GOTOFF
;
2971 else if (is_PC_relative (the_insn
.exp
))
2972 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2974 the_insn
.reloc
= R_HPPA
;
2975 the_insn
.format
= 11;
2979 /* Handle a 14 bit immediate at 31. */
2981 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2984 if (the_insn
.exp
.X_op
== O_constant
)
2988 /* XXX the completer stored away tidbits of information
2989 for us to extract. We need a cleaner way to do this.
2990 Now that we have lots of letters again, it would be
2991 good to rethink this. */
2994 num
= evaluate_absolute (&the_insn
);
2995 if (mb
!= (num
< 0))
2997 CHECK_FIELD (num
, 8191, -8192, 0);
2998 num
= low_sign_unext (num
, 14);
2999 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3003 /* Handle a 14 bit immediate at 31. */
3005 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3008 if (the_insn
.exp
.X_op
== O_constant
)
3014 num
= evaluate_absolute (&the_insn
);
3015 if (mb
== (num
< 0))
3019 CHECK_FIELD (num
, 8191, -8192, 0);
3020 num
= low_sign_unext (num
, 14);
3021 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3025 /* Handle a 16 bit immediate at 31. */
3027 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3030 if (the_insn
.exp
.X_op
== O_constant
)
3036 num
= evaluate_absolute (&the_insn
);
3037 if (mb
!= (num
< 0))
3039 CHECK_FIELD (num
, 32767, -32768, 0);
3040 num
= re_assemble_16 (num
);
3041 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3045 /* Handle a 16 bit immediate at 31. */
3047 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3050 if (the_insn
.exp
.X_op
== O_constant
)
3056 num
= evaluate_absolute (&the_insn
);
3057 if (mb
== (num
< 0))
3061 CHECK_FIELD (num
, 32767, -32768, 0);
3062 num
= re_assemble_16 (num
);
3063 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3067 /* Handle 14 bit immediate, shifted left three times. */
3069 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3072 if (the_insn
.exp
.X_op
== O_constant
)
3074 num
= evaluate_absolute (&the_insn
);
3077 CHECK_FIELD (num
, 8191, -8192, 0);
3082 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3086 if (is_DP_relative (the_insn
.exp
))
3087 the_insn
.reloc
= R_HPPA_GOTOFF
;
3088 else if (is_PC_relative (the_insn
.exp
))
3089 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3091 the_insn
.reloc
= R_HPPA
;
3092 the_insn
.format
= 14;
3097 /* Handle 14 bit immediate, shifted left twice. */
3099 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3102 if (the_insn
.exp
.X_op
== O_constant
)
3104 num
= evaluate_absolute (&the_insn
);
3107 CHECK_FIELD (num
, 8191, -8192, 0);
3112 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3116 if (is_DP_relative (the_insn
.exp
))
3117 the_insn
.reloc
= R_HPPA_GOTOFF
;
3118 else if (is_PC_relative (the_insn
.exp
))
3119 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3121 the_insn
.reloc
= R_HPPA
;
3122 the_insn
.format
= 14;
3126 /* Handle a 14 bit immediate at 31. */
3128 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3131 if (the_insn
.exp
.X_op
== O_constant
)
3133 num
= evaluate_absolute (&the_insn
);
3134 CHECK_FIELD (num
, 8191, -8192, 0);
3135 num
= low_sign_unext (num
, 14);
3136 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3140 if (is_DP_relative (the_insn
.exp
))
3141 the_insn
.reloc
= R_HPPA_GOTOFF
;
3142 else if (is_PC_relative (the_insn
.exp
))
3143 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3145 the_insn
.reloc
= R_HPPA
;
3146 the_insn
.format
= 14;
3150 /* Handle a 21 bit immediate at 31. */
3152 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3155 if (the_insn
.exp
.X_op
== O_constant
)
3157 num
= evaluate_absolute (&the_insn
);
3158 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3159 opcode
|= re_assemble_21 (num
);
3164 if (is_DP_relative (the_insn
.exp
))
3165 the_insn
.reloc
= R_HPPA_GOTOFF
;
3166 else if (is_PC_relative (the_insn
.exp
))
3167 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3169 the_insn
.reloc
= R_HPPA
;
3170 the_insn
.format
= 21;
3174 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3176 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3179 if (the_insn
.exp
.X_op
== O_constant
)
3181 num
= evaluate_absolute (&the_insn
);
3182 CHECK_FIELD (num
, 32767, -32768, 0);
3183 opcode
|= re_assemble_16 (num
);
3188 /* ??? Is this valid for wide mode? */
3189 if (is_DP_relative (the_insn
.exp
))
3190 the_insn
.reloc
= R_HPPA_GOTOFF
;
3191 else if (is_PC_relative (the_insn
.exp
))
3192 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3194 the_insn
.reloc
= R_HPPA
;
3195 the_insn
.format
= 14;
3199 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3201 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3204 if (the_insn
.exp
.X_op
== O_constant
)
3206 num
= evaluate_absolute (&the_insn
);
3207 CHECK_FIELD (num
, 32767, -32768, 0);
3208 CHECK_ALIGN (num
, 4, 0);
3209 opcode
|= re_assemble_16 (num
);
3214 /* ??? Is this valid for wide mode? */
3215 if (is_DP_relative (the_insn
.exp
))
3216 the_insn
.reloc
= R_HPPA_GOTOFF
;
3217 else if (is_PC_relative (the_insn
.exp
))
3218 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3220 the_insn
.reloc
= R_HPPA
;
3221 the_insn
.format
= 14;
3225 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3227 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3230 if (the_insn
.exp
.X_op
== O_constant
)
3232 num
= evaluate_absolute (&the_insn
);
3233 CHECK_FIELD (num
, 32767, -32768, 0);
3234 CHECK_ALIGN (num
, 8, 0);
3235 opcode
|= re_assemble_16 (num
);
3240 /* ??? Is this valid for wide mode? */
3241 if (is_DP_relative (the_insn
.exp
))
3242 the_insn
.reloc
= R_HPPA_GOTOFF
;
3243 else if (is_PC_relative (the_insn
.exp
))
3244 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3246 the_insn
.reloc
= R_HPPA
;
3247 the_insn
.format
= 14;
3251 /* Handle a 12 bit branch displacement. */
3253 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3257 if (!the_insn
.exp
.X_add_symbol
3258 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3261 num
= evaluate_absolute (&the_insn
);
3264 as_bad (_("Branch to unaligned address"));
3267 if (the_insn
.exp
.X_add_symbol
)
3269 CHECK_FIELD (num
, 8191, -8192, 0);
3270 opcode
|= re_assemble_12 (num
>> 2);
3275 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3276 the_insn
.format
= 12;
3277 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3278 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3283 /* Handle a 17 bit branch displacement. */
3285 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3289 if (!the_insn
.exp
.X_add_symbol
3290 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3293 num
= evaluate_absolute (&the_insn
);
3296 as_bad (_("Branch to unaligned address"));
3299 if (the_insn
.exp
.X_add_symbol
)
3301 CHECK_FIELD (num
, 262143, -262144, 0);
3302 opcode
|= re_assemble_17 (num
>> 2);
3307 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3308 the_insn
.format
= 17;
3309 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3310 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3314 /* Handle a 22 bit branch displacement. */
3316 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3320 if (!the_insn
.exp
.X_add_symbol
3321 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3324 num
= evaluate_absolute (&the_insn
);
3327 as_bad (_("Branch to unaligned address"));
3330 if (the_insn
.exp
.X_add_symbol
)
3332 CHECK_FIELD (num
, 8388607, -8388608, 0);
3333 opcode
|= re_assemble_22 (num
>> 2);
3337 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3338 the_insn
.format
= 22;
3339 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3340 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3344 /* Handle an absolute 17 bit branch target. */
3346 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3350 if (!the_insn
.exp
.X_add_symbol
3351 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3354 num
= evaluate_absolute (&the_insn
);
3357 as_bad (_("Branch to unaligned address"));
3360 if (the_insn
.exp
.X_add_symbol
)
3362 CHECK_FIELD (num
, 262143, -262144, 0);
3363 opcode
|= re_assemble_17 (num
>> 2);
3368 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3369 the_insn
.format
= 17;
3370 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3371 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3375 /* Handle '%r1' implicit operand of addil instruction. */
3377 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3378 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3386 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3388 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3393 /* Handle immediate value of 0 for ordered load/store instructions. */
3400 /* Handle a 2 bit shift count at 25. */
3402 num
= pa_get_absolute_expression (&the_insn
, &s
);
3403 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3406 CHECK_FIELD (num
, 3, 1, strict
);
3407 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3409 /* Handle a 4 bit shift count at 25. */
3411 num
= pa_get_absolute_expression (&the_insn
, &s
);
3412 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3415 CHECK_FIELD (num
, 15, 0, strict
);
3416 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3418 /* Handle a 5 bit shift count at 26. */
3420 num
= pa_get_absolute_expression (&the_insn
, &s
);
3421 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3424 CHECK_FIELD (num
, 31, 0, strict
);
3425 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3427 /* Handle a 6 bit shift count at 20,22:26. */
3429 num
= pa_get_absolute_expression (&the_insn
, &s
);
3430 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3433 CHECK_FIELD (num
, 63, 0, strict
);
3435 opcode
|= (num
& 0x20) << 6;
3436 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3438 /* Handle a 6 bit field length at 23,27:31. */
3441 num
= pa_get_absolute_expression (&the_insn
, &s
);
3442 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3445 CHECK_FIELD (num
, 64, 1, strict
);
3447 opcode
|= (num
& 0x20) << 3;
3448 num
= 31 - (num
& 0x1f);
3449 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3451 /* Handle a 6 bit field length at 19,27:31. */
3453 num
= pa_get_absolute_expression (&the_insn
, &s
);
3454 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3457 CHECK_FIELD (num
, 64, 1, strict
);
3459 opcode
|= (num
& 0x20) << 7;
3460 num
= 31 - (num
& 0x1f);
3461 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3463 /* Handle a 5 bit bit position at 26. */
3465 num
= pa_get_absolute_expression (&the_insn
, &s
);
3466 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3469 CHECK_FIELD (num
, 31, 0, strict
);
3470 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3472 /* Handle a 6 bit bit position at 20,22:26. */
3474 num
= pa_get_absolute_expression (&the_insn
, &s
);
3475 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3478 CHECK_FIELD (num
, 63, 0, strict
);
3479 opcode
|= (num
& 0x20) << 6;
3480 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3482 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3483 of the high bit of the immediate. */
3485 num
= pa_get_absolute_expression (&the_insn
, &s
);
3486 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3489 CHECK_FIELD (num
, 63, 0, strict
);
3493 opcode
|= (1 << 13);
3494 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3496 /* Handle a 5 bit immediate at 10. */
3498 num
= pa_get_absolute_expression (&the_insn
, &s
);
3499 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3502 CHECK_FIELD (num
, 31, 0, strict
);
3503 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3505 /* Handle a 9 bit immediate at 28. */
3507 num
= pa_get_absolute_expression (&the_insn
, &s
);
3508 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3511 CHECK_FIELD (num
, 511, 1, strict
);
3512 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3514 /* Handle a 13 bit immediate at 18. */
3516 num
= pa_get_absolute_expression (&the_insn
, &s
);
3517 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3520 CHECK_FIELD (num
, 8191, 0, strict
);
3521 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3523 /* Handle a 26 bit immediate at 31. */
3525 num
= pa_get_absolute_expression (&the_insn
, &s
);
3526 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3529 CHECK_FIELD (num
, 67108863, 0, strict
);
3530 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3532 /* Handle a 3 bit SFU identifier at 25. */
3535 as_bad (_("Invalid SFU identifier"));
3536 num
= pa_get_absolute_expression (&the_insn
, &s
);
3537 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3540 CHECK_FIELD (num
, 7, 0, strict
);
3541 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3543 /* Handle a 20 bit SOP field for spop0. */
3545 num
= pa_get_absolute_expression (&the_insn
, &s
);
3546 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3549 CHECK_FIELD (num
, 1048575, 0, strict
);
3550 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3551 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3553 /* Handle a 15bit SOP field for spop1. */
3555 num
= pa_get_absolute_expression (&the_insn
, &s
);
3556 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3559 CHECK_FIELD (num
, 32767, 0, strict
);
3560 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3562 /* Handle a 10bit SOP field for spop3. */
3564 num
= pa_get_absolute_expression (&the_insn
, &s
);
3565 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3568 CHECK_FIELD (num
, 1023, 0, strict
);
3569 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3570 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3572 /* Handle a 15 bit SOP field for spop2. */
3574 num
= pa_get_absolute_expression (&the_insn
, &s
);
3575 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3578 CHECK_FIELD (num
, 32767, 0, strict
);
3579 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3580 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3582 /* Handle a 3-bit co-processor ID field. */
3585 as_bad (_("Invalid COPR identifier"));
3586 num
= pa_get_absolute_expression (&the_insn
, &s
);
3587 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3590 CHECK_FIELD (num
, 7, 0, strict
);
3591 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3593 /* Handle a 22bit SOP field for copr. */
3595 num
= pa_get_absolute_expression (&the_insn
, &s
);
3596 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3599 CHECK_FIELD (num
, 4194303, 0, strict
);
3600 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3601 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3603 /* Handle a source FP operand format completer. */
3605 if (*s
== ',' && *(s
+1) == 't')
3612 flag
= pa_parse_fp_cnv_format (&s
);
3613 the_insn
.fpof1
= flag
;
3614 if (flag
== W
|| flag
== UW
)
3616 if (flag
== DW
|| flag
== UDW
)
3618 if (flag
== QW
|| flag
== UQW
)
3620 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3622 /* Handle a destination FP operand format completer. */
3624 /* pa_parse_format needs the ',' prefix. */
3626 flag
= pa_parse_fp_cnv_format (&s
);
3627 the_insn
.fpof2
= flag
;
3628 if (flag
== W
|| flag
== UW
)
3630 if (flag
== DW
|| flag
== UDW
)
3632 if (flag
== QW
|| flag
== UQW
)
3634 opcode
|= flag
<< 13;
3635 if (the_insn
.fpof1
== SGL
3636 || the_insn
.fpof1
== DBL
3637 || the_insn
.fpof1
== QUAD
)
3639 if (the_insn
.fpof2
== SGL
3640 || the_insn
.fpof2
== DBL
3641 || the_insn
.fpof2
== QUAD
)
3643 else if (the_insn
.fpof2
== W
3644 || the_insn
.fpof2
== DW
3645 || the_insn
.fpof2
== QW
)
3647 else if (the_insn
.fpof2
== UW
3648 || the_insn
.fpof2
== UDW
3649 || the_insn
.fpof2
== UQW
)
3654 else if (the_insn
.fpof1
== W
3655 || the_insn
.fpof1
== DW
3656 || the_insn
.fpof1
== QW
)
3658 if (the_insn
.fpof2
== SGL
3659 || the_insn
.fpof2
== DBL
3660 || the_insn
.fpof2
== QUAD
)
3665 else if (the_insn
.fpof1
== UW
3666 || the_insn
.fpof1
== UDW
3667 || the_insn
.fpof1
== UQW
)
3669 if (the_insn
.fpof2
== SGL
3670 || the_insn
.fpof2
== DBL
3671 || the_insn
.fpof2
== QUAD
)
3676 flag
|= the_insn
.trunc
;
3677 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3679 /* Handle a source FP operand format completer. */
3681 flag
= pa_parse_fp_format (&s
);
3682 the_insn
.fpof1
= flag
;
3683 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3685 /* Handle a destination FP operand format completer. */
3687 /* pa_parse_format needs the ',' prefix. */
3689 flag
= pa_parse_fp_format (&s
);
3690 the_insn
.fpof2
= flag
;
3691 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3693 /* Handle a source FP operand format completer at 20. */
3695 flag
= pa_parse_fp_format (&s
);
3696 the_insn
.fpof1
= flag
;
3697 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3699 /* Handle a floating point operand format at 26.
3700 Only allows single and double precision. */
3702 flag
= pa_parse_fp_format (&s
);
3708 the_insn
.fpof1
= flag
;
3714 as_bad (_("Invalid Floating Point Operand Format."));
3718 /* Handle all floating point registers. */
3722 /* Float target register. */
3724 if (!pa_parse_number (&s
, 3))
3726 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3727 CHECK_FIELD (num
, 31, 0, 0);
3728 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3730 /* Float target register with L/R selection. */
3733 if (!pa_parse_number (&s
, 1))
3735 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3736 CHECK_FIELD (num
, 31, 0, 0);
3739 /* 0x30 opcodes are FP arithmetic operation opcodes
3740 and need to be turned into 0x38 opcodes. This
3741 is not necessary for loads/stores. */
3742 if (need_pa11_opcode ()
3743 && ((opcode
& 0xfc000000) == 0x30000000))
3746 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3750 /* Float operand 1. */
3753 if (!pa_parse_number (&s
, 1))
3755 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3756 CHECK_FIELD (num
, 31, 0, 0);
3757 opcode
|= num
<< 21;
3758 if (need_pa11_opcode ())
3760 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3766 /* Float operand 1 with L/R selection. */
3770 if (!pa_parse_number (&s
, 1))
3772 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3773 CHECK_FIELD (num
, 31, 0, 0);
3774 opcode
|= num
<< 21;
3775 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3779 /* Float operand 2. */
3782 if (!pa_parse_number (&s
, 1))
3784 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3785 CHECK_FIELD (num
, 31, 0, 0);
3786 opcode
|= num
<< 16;
3787 if (need_pa11_opcode ())
3789 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3795 /* Float operand 2 with L/R selection. */
3798 if (!pa_parse_number (&s
, 1))
3800 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3801 CHECK_FIELD (num
, 31, 0, 0);
3802 opcode
|= num
<< 16;
3803 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3807 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3810 if (!pa_parse_number (&s
, 1))
3812 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3813 CHECK_FIELD (num
, 31, 0, 0);
3814 opcode
|= (num
& 0x1c) << 11;
3815 opcode
|= (num
& 0x03) << 9;
3816 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3820 /* Float mult operand 1 for fmpyadd, fmpysub */
3823 if (!pa_parse_number (&s
, 1))
3825 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3826 CHECK_FIELD (num
, 31, 0, 0);
3827 if (the_insn
.fpof1
== SGL
)
3831 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3835 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3837 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3840 /* Float mult operand 2 for fmpyadd, fmpysub */
3843 if (!pa_parse_number (&s
, 1))
3845 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3846 CHECK_FIELD (num
, 31, 0, 0);
3847 if (the_insn
.fpof1
== SGL
)
3851 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3855 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3857 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3860 /* Float mult target for fmpyadd, fmpysub */
3863 if (!pa_parse_number (&s
, 1))
3865 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3866 CHECK_FIELD (num
, 31, 0, 0);
3867 if (the_insn
.fpof1
== SGL
)
3871 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3875 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3877 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3880 /* Float add operand 1 for fmpyadd, fmpysub */
3883 if (!pa_parse_number (&s
, 1))
3885 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3886 CHECK_FIELD (num
, 31, 0, 0);
3887 if (the_insn
.fpof1
== SGL
)
3891 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3895 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3897 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3900 /* Float add target for fmpyadd, fmpysub */
3903 if (!pa_parse_number (&s
, 1))
3905 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3906 CHECK_FIELD (num
, 31, 0, 0);
3907 if (the_insn
.fpof1
== SGL
)
3911 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3915 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3917 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3920 /* Handle L/R register halves like 'x'. */
3924 if (!pa_parse_number (&s
, 1))
3926 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3927 CHECK_FIELD (num
, 31, 0, 0);
3928 opcode
|= num
<< 16;
3929 if (need_pa11_opcode ())
3931 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3936 /* Float target register (PA 2.0 wide). */
3938 if (!pa_parse_number (&s
, 3))
3940 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3941 CHECK_FIELD (num
, 31, 0, 0);
3942 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3955 /* If this instruction is specific to a particular architecture,
3956 then set a new architecture. This automatic promotion crud is
3957 for compatibility with HP's old assemblers only. */
3959 && bfd_get_mach (stdoutput
) < insn
->arch
)
3963 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
3964 as_warn (_("could not update architecture and machine"));
3970 promoted_insn
= insn
;
3975 /* Check if the args matched. */
3978 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3979 && !strcmp (insn
->name
, insn
[1].name
))
3989 insn
= promoted_insn
;
3990 need_promotion
= TRUE
;
3994 as_bad (_("Invalid operands %s"), error_message
);
4001 the_insn
.opcode
= opcode
;
4004 /* Turn a string in input_line_pointer into a floating point constant of type
4005 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
4006 emitted is stored in *sizeP . An error message or NULL is returned. */
4008 #define MAX_LITTLENUMS 6
4011 md_atof (type
, litP
, sizeP
)
4017 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
4018 LITTLENUM_TYPE
*wordP
;
4050 return _("Bad call to MD_ATOF()");
4052 t
= atof_ieee (input_line_pointer
, type
, words
);
4054 input_line_pointer
= t
;
4055 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4056 for (wordP
= words
; prec
--;)
4058 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4059 litP
+= sizeof (LITTLENUM_TYPE
);
4064 /* Write out big-endian. */
4067 md_number_to_chars (buf
, val
, n
)
4072 number_to_chars_bigendian (buf
, val
, n
);
4075 /* Translate internal representation of relocation info to BFD target
4079 tc_gen_reloc (section
, fixp
)
4084 struct hppa_fix_struct
*hppa_fixp
;
4085 static arelent
*no_relocs
= NULL
;
4092 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4093 if (fixp
->fx_addsy
== 0)
4096 assert (hppa_fixp
!= 0);
4097 assert (section
!= 0);
4099 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4101 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4102 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4103 codes
= hppa_gen_reloc_type (stdoutput
,
4105 hppa_fixp
->fx_r_format
,
4106 hppa_fixp
->fx_r_field
,
4107 fixp
->fx_subsy
!= NULL
,
4108 symbol_get_bfdsym (fixp
->fx_addsy
));
4112 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4116 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4119 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4120 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4121 for (i
= 0; i
< n_relocs
; i
++)
4122 relocs
[i
] = &reloc
[i
];
4124 relocs
[n_relocs
] = NULL
;
4127 switch (fixp
->fx_r_type
)
4130 assert (n_relocs
== 1);
4134 /* Now, do any processing that is dependent on the relocation type. */
4137 case R_PARISC_DLTREL21L
:
4138 case R_PARISC_DLTREL14R
:
4139 case R_PARISC_DLTREL14F
:
4140 case R_PARISC_PLABEL32
:
4141 case R_PARISC_PLABEL21L
:
4142 case R_PARISC_PLABEL14R
:
4143 /* For plabel relocations, the addend of the
4144 relocation should be either 0 (no static link) or 2
4145 (static link required). This adjustment is done in
4146 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4148 We also slam a zero addend into the DLT relative relocs;
4149 it doesn't make a lot of sense to use any addend since
4150 it gets you a different (eg unknown) DLT entry. */
4154 #ifdef ELF_ARG_RELOC
4155 case R_PARISC_PCREL17R
:
4156 case R_PARISC_PCREL17F
:
4157 case R_PARISC_PCREL17C
:
4158 case R_PARISC_DIR17R
:
4159 case R_PARISC_DIR17F
:
4160 case R_PARISC_PCREL21L
:
4161 case R_PARISC_DIR21L
:
4162 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4167 case R_PARISC_DIR32
:
4168 /* Facilitate hand-crafted unwind info. */
4169 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4170 code
= R_PARISC_SEGREL32
;
4174 reloc
->addend
= fixp
->fx_offset
;
4178 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4179 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4180 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4181 (bfd_reloc_code_real_type
) code
);
4182 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4184 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4189 /* Walk over reach relocation returned by the BFD backend. */
4190 for (i
= 0; i
< n_relocs
; i
++)
4194 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4195 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4197 bfd_reloc_type_lookup (stdoutput
,
4198 (bfd_reloc_code_real_type
) code
);
4199 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4204 /* The only time we ever use a R_COMP2 fixup is for the difference
4205 of two symbols. With that in mind we fill in all four
4206 relocs now and break out of the loop. */
4208 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4210 bfd_reloc_type_lookup (stdoutput
,
4211 (bfd_reloc_code_real_type
) *codes
[0]);
4212 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4213 relocs
[0]->addend
= 0;
4214 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4215 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4217 bfd_reloc_type_lookup (stdoutput
,
4218 (bfd_reloc_code_real_type
) *codes
[1]);
4219 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4220 relocs
[1]->addend
= 0;
4221 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4222 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4224 bfd_reloc_type_lookup (stdoutput
,
4225 (bfd_reloc_code_real_type
) *codes
[2]);
4226 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4227 relocs
[2]->addend
= 0;
4228 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4230 bfd_reloc_type_lookup (stdoutput
,
4231 (bfd_reloc_code_real_type
) *codes
[3]);
4232 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4233 relocs
[3]->addend
= 0;
4234 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4236 bfd_reloc_type_lookup (stdoutput
,
4237 (bfd_reloc_code_real_type
) *codes
[4]);
4238 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4239 relocs
[4]->addend
= 0;
4243 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4249 /* For plabel relocations, the addend of the
4250 relocation should be either 0 (no static link) or 2
4251 (static link required).
4253 FIXME: We always assume no static link!
4255 We also slam a zero addend into the DLT relative relocs;
4256 it doesn't make a lot of sense to use any addend since
4257 it gets you a different (eg unknown) DLT entry. */
4258 relocs
[i
]->addend
= 0;
4273 /* There is no symbol or addend associated with these fixups. */
4274 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4275 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4276 relocs
[i
]->addend
= 0;
4282 /* There is no symbol associated with these fixups. */
4283 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4284 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4285 relocs
[i
]->addend
= fixp
->fx_offset
;
4289 relocs
[i
]->addend
= fixp
->fx_offset
;
4299 /* Process any machine dependent frag types. */
4302 md_convert_frag (abfd
, sec
, fragP
)
4303 register bfd
*abfd ATTRIBUTE_UNUSED
;
4304 register asection
*sec ATTRIBUTE_UNUSED
;
4305 register fragS
*fragP
;
4307 unsigned int address
;
4309 if (fragP
->fr_type
== rs_machine_dependent
)
4311 switch ((int) fragP
->fr_subtype
)
4314 fragP
->fr_type
= rs_fill
;
4315 know (fragP
->fr_var
== 1);
4316 know (fragP
->fr_next
);
4317 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4318 if (address
% fragP
->fr_offset
)
4321 fragP
->fr_next
->fr_address
4326 fragP
->fr_offset
= 0;
4332 /* Round up a section size to the appropriate boundary. */
4335 md_section_align (segment
, size
)
4339 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4340 int align2
= (1 << align
) - 1;
4342 return (size
+ align2
) & ~align2
;
4345 /* Return the approximate size of a frag before relaxation has occurred. */
4347 md_estimate_size_before_relax (fragP
, segment
)
4348 register fragS
*fragP
;
4349 asection
*segment ATTRIBUTE_UNUSED
;
4355 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4362 # ifdef WARN_COMMENTS
4363 const char *md_shortopts
= "Vc";
4365 const char *md_shortopts
= "V";
4368 # ifdef WARN_COMMENTS
4369 const char *md_shortopts
= "c";
4371 const char *md_shortopts
= "";
4375 struct option md_longopts
[] = {
4376 #ifdef WARN_COMMENTS
4377 {"warn-comment", no_argument
, NULL
, 'c'},
4379 {NULL
, no_argument
, NULL
, 0}
4381 size_t md_longopts_size
= sizeof (md_longopts
);
4384 md_parse_option (c
, arg
)
4385 int c ATTRIBUTE_UNUSED
;
4386 char *arg ATTRIBUTE_UNUSED
;
4395 print_version_id ();
4398 #ifdef WARN_COMMENTS
4409 md_show_usage (stream
)
4410 FILE *stream ATTRIBUTE_UNUSED
;
4413 fprintf (stream
, _("\
4416 #ifdef WARN_COMMENTS
4417 fprintf (stream
, _("\
4418 -c print a warning if a comment is found\n"));
4422 /* We have no need to default values of symbols. */
4425 md_undefined_symbol (name
)
4426 char *name ATTRIBUTE_UNUSED
;
4431 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4432 #define nonzero_dibits(x) \
4433 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4434 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4435 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4437 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4440 /* Apply a fixup to an instruction. */
4443 md_apply_fix (fixP
, valP
, seg
)
4446 segT seg ATTRIBUTE_UNUSED
;
4449 struct hppa_fix_struct
*hppa_fixP
;
4453 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4454 never be "applied" (they are just markers). Likewise for
4455 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4457 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4458 || fixP
->fx_r_type
== R_HPPA_EXIT
4459 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4460 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4461 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4464 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4465 fixups are considered not adjustable, which in turn causes
4466 adjust_reloc_syms to not set fx_offset. Ugh. */
4467 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4469 fixP
->fx_offset
= * valP
;
4474 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4475 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4479 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
4482 /* There should have been an HPPA specific fixup associated
4483 with the GAS fixup. */
4484 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4485 if (hppa_fixP
== NULL
)
4487 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4488 _("no hppa_fixup entry for fixup type 0x%x"),
4493 buf
= (unsigned char *) (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
);
4494 insn
= bfd_get_32 (stdoutput
, buf
);
4495 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4497 /* If there is a symbol associated with this fixup, then it's something
4498 which will need a SOM relocation (except for some PC-relative relocs).
4499 In such cases we should treat the "val" or "addend" as zero since it
4500 will be added in as needed from fx_offset in tc_gen_reloc. */
4501 if ((fixP
->fx_addsy
!= NULL
4502 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4507 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4509 /* These field selectors imply that we do not want an addend. */
4510 else if (hppa_fixP
->fx_r_field
== e_psel
4511 || hppa_fixP
->fx_r_field
== e_rpsel
4512 || hppa_fixP
->fx_r_field
== e_lpsel
4513 || hppa_fixP
->fx_r_field
== e_tsel
4514 || hppa_fixP
->fx_r_field
== e_rtsel
4515 || hppa_fixP
->fx_r_field
== e_ltsel
)
4516 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4519 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4521 /* Handle pc-relative exceptions from above. */
4522 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4525 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4526 hppa_fixP
->fx_arg_reloc
)
4528 && (* valP
- 8 + 8192 < 16384
4529 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
4530 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4533 && (* valP
- 8 + 262144 < 524288
4534 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4536 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4537 && !S_IS_WEAK (fixP
->fx_addsy
)
4538 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4540 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4542 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4548 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4549 fixP
->fx_file
, fixP
->fx_line
);
4552 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4553 | ((val
& 0x2000) >> 13));
4556 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4557 fixP
->fx_file
, fixP
->fx_line
);
4560 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4561 | ((val
& 0x2000) >> 13));
4563 /* Handle all opcodes with the 'j' operand type. */
4565 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4566 fixP
->fx_file
, fixP
->fx_line
);
4569 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4572 /* Handle all opcodes with the 'k' operand type. */
4574 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4575 fixP
->fx_file
, fixP
->fx_line
);
4578 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4581 /* Handle all the opcodes with the 'i' operand type. */
4583 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4584 fixP
->fx_file
, fixP
->fx_line
);
4587 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4590 /* Handle all the opcodes with the 'w' operand type. */
4592 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4593 fixP
->fx_file
, fixP
->fx_line
);
4596 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4599 /* Handle some of the opcodes with the 'W' operand type. */
4602 offsetT distance
= * valP
;
4604 /* If this is an absolute branch (ie no link) with an out of
4605 range target, then we want to complain. */
4606 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4607 && (insn
& 0xffe00000) == 0xe8000000)
4608 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4609 fixP
->fx_file
, fixP
->fx_line
);
4611 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4612 fixP
->fx_file
, fixP
->fx_line
);
4615 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4621 offsetT distance
= * valP
;
4623 /* If this is an absolute branch (ie no link) with an out of
4624 range target, then we want to complain. */
4625 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4626 && (insn
& 0xffe00000) == 0xe8000000)
4627 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4628 fixP
->fx_file
, fixP
->fx_line
);
4630 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4631 fixP
->fx_file
, fixP
->fx_line
);
4634 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4640 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4645 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4650 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4658 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4659 _("Unknown relocation encountered in md_apply_fix."));
4663 /* Insert the relocation. */
4664 bfd_put_32 (stdoutput
, insn
, buf
);
4667 /* Exactly what point is a PC-relative offset relative TO?
4668 On the PA, they're relative to the address of the offset. */
4671 md_pcrel_from (fixP
)
4674 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4677 /* Return nonzero if the input line pointer is at the end of
4681 is_end_of_statement ()
4683 return ((*input_line_pointer
== '\n')
4684 || (*input_line_pointer
== ';')
4685 || (*input_line_pointer
== '!'));
4688 /* Read a number from S. The number might come in one of many forms,
4689 the most common will be a hex or decimal constant, but it could be
4690 a pre-defined register (Yuk!), or an absolute symbol.
4692 Return 1 on success or 0 on failure. If STRICT, then a missing
4693 register prefix will cause a failure. The number itself is
4694 returned in `pa_number'.
4696 IS_FLOAT indicates that a PA-89 FP register number should be
4697 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4700 pa_parse_number can not handle negative constants and will fail
4701 horribly if it is passed such a constant. */
4704 pa_parse_number (s
, is_float
)
4714 bfd_boolean have_prefix
;
4716 /* Skip whitespace before the number. */
4717 while (*p
== ' ' || *p
== '\t')
4723 if (!strict
&& ISDIGIT (*p
))
4725 /* Looks like a number. */
4727 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4729 /* The number is specified in hex. */
4731 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4732 || ((*p
>= 'A') && (*p
<= 'F')))
4735 num
= num
* 16 + *p
- '0';
4736 else if (*p
>= 'a' && *p
<= 'f')
4737 num
= num
* 16 + *p
- 'a' + 10;
4739 num
= num
* 16 + *p
- 'A' + 10;
4745 /* The number is specified in decimal. */
4746 while (ISDIGIT (*p
))
4748 num
= num
* 10 + *p
- '0';
4755 /* Check for a `l' or `r' suffix. */
4758 pa_number
+= FP_REG_BASE
;
4759 if (! (is_float
& 2))
4761 if (IS_R_SELECT (p
))
4763 pa_number
+= FP_REG_RSEL
;
4766 else if (IS_L_SELECT (p
))
4775 /* The number might be a predefined register. */
4780 /* Tege hack: Special case for general registers as the general
4781 code makes a binary search with case translation, and is VERY
4786 if (*p
== 'e' && *(p
+ 1) == 't'
4787 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4790 num
= *p
- '0' + 28;
4798 else if (!ISDIGIT (*p
))
4801 as_bad (_("Undefined register: '%s'."), name
);
4807 num
= num
* 10 + *p
++ - '0';
4808 while (ISDIGIT (*p
));
4813 /* Do a normal register search. */
4814 while (is_part_of_name (c
))
4820 status
= reg_name_search (name
);
4826 as_bad (_("Undefined register: '%s'."), name
);
4836 /* And finally, it could be a symbol in the absolute section which
4837 is effectively a constant, or a register alias symbol. */
4840 while (is_part_of_name (c
))
4846 if ((sym
= symbol_find (name
)) != NULL
)
4848 if (S_GET_SEGMENT (sym
) == reg_section
)
4850 num
= S_GET_VALUE (sym
);
4851 /* Well, we don't really have one, but we do have a
4855 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4856 num
= S_GET_VALUE (sym
);
4860 as_bad (_("Non-absolute symbol: '%s'."), name
);
4866 /* There is where we'd come for an undefined symbol
4867 or for an empty string. For an empty string we
4868 will return zero. That's a concession made for
4869 compatibility with the braindamaged HP assemblers. */
4875 as_bad (_("Undefined absolute constant: '%s'."), name
);
4884 if (!strict
|| have_prefix
)
4892 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4894 /* Given NAME, find the register number associated with that name, return
4895 the integer value associated with the given name or -1 on failure. */
4898 reg_name_search (name
)
4901 int middle
, low
, high
;
4905 high
= REG_NAME_CNT
- 1;
4909 middle
= (low
+ high
) / 2;
4910 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4916 return pre_defined_registers
[middle
].value
;
4918 while (low
<= high
);
4923 /* Return nonzero if the given INSN and L/R information will require
4924 a new PA-1.1 opcode. */
4929 if ((pa_number
& FP_REG_RSEL
) != 0
4930 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4932 /* If this instruction is specific to a particular architecture,
4933 then set a new architecture. */
4934 if (bfd_get_mach (stdoutput
) < pa11
)
4936 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4937 as_warn (_("could not update architecture and machine"));
4945 /* Parse a condition for a fcmp instruction. Return the numerical
4946 code associated with the condition. */
4949 pa_parse_fp_cmp_cond (s
)
4956 for (i
= 0; i
< 32; i
++)
4958 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4959 strlen (fp_cond_map
[i
].string
)) == 0)
4961 cond
= fp_cond_map
[i
].cond
;
4962 *s
+= strlen (fp_cond_map
[i
].string
);
4963 /* If not a complete match, back up the input string and
4965 if (**s
!= ' ' && **s
!= '\t')
4967 *s
-= strlen (fp_cond_map
[i
].string
);
4970 while (**s
== ' ' || **s
== '\t')
4976 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4978 /* Advance over the bogus completer. */
4979 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4985 /* Parse a graphics test complete for ftest. */
4988 pa_parse_ftest_gfx_completer (s
)
4994 if (strncasecmp (*s
, "acc8", 4) == 0)
4999 else if (strncasecmp (*s
, "acc6", 4) == 0)
5004 else if (strncasecmp (*s
, "acc4", 4) == 0)
5009 else if (strncasecmp (*s
, "acc2", 4) == 0)
5014 else if (strncasecmp (*s
, "acc", 3) == 0)
5019 else if (strncasecmp (*s
, "rej8", 4) == 0)
5024 else if (strncasecmp (*s
, "rej", 3) == 0)
5032 as_bad (_("Invalid FTEST completer: %s"), *s
);
5038 /* Parse an FP operand format completer returning the completer
5041 static fp_operand_format
5042 pa_parse_fp_cnv_format (s
)
5051 if (strncasecmp (*s
, "sgl", 3) == 0)
5056 else if (strncasecmp (*s
, "dbl", 3) == 0)
5061 else if (strncasecmp (*s
, "quad", 4) == 0)
5066 else if (strncasecmp (*s
, "w", 1) == 0)
5071 else if (strncasecmp (*s
, "uw", 2) == 0)
5076 else if (strncasecmp (*s
, "dw", 2) == 0)
5081 else if (strncasecmp (*s
, "udw", 3) == 0)
5086 else if (strncasecmp (*s
, "qw", 2) == 0)
5091 else if (strncasecmp (*s
, "uqw", 3) == 0)
5098 format
= ILLEGAL_FMT
;
5099 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5106 /* Parse an FP operand format completer returning the completer
5109 static fp_operand_format
5110 pa_parse_fp_format (s
)
5119 if (strncasecmp (*s
, "sgl", 3) == 0)
5124 else if (strncasecmp (*s
, "dbl", 3) == 0)
5129 else if (strncasecmp (*s
, "quad", 4) == 0)
5136 format
= ILLEGAL_FMT
;
5137 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5144 /* Convert from a selector string into a selector type. */
5147 pa_chk_field_selector (str
)
5150 int middle
, low
, high
;
5154 /* Read past any whitespace. */
5155 /* FIXME: should we read past newlines and formfeeds??? */
5156 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5159 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5160 name
[0] = TOLOWER ((*str
)[0]),
5162 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5163 name
[0] = TOLOWER ((*str
)[0]),
5164 name
[1] = TOLOWER ((*str
)[1]),
5166 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5167 name
[0] = TOLOWER ((*str
)[0]),
5168 name
[1] = TOLOWER ((*str
)[1]),
5169 name
[2] = TOLOWER ((*str
)[2]),
5175 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5179 middle
= (low
+ high
) / 2;
5180 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5187 *str
+= strlen (name
) + 1;
5189 if (selector_table
[middle
].field_selector
== e_nsel
)
5192 return selector_table
[middle
].field_selector
;
5195 while (low
<= high
);
5200 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5203 get_expression (str
)
5209 save_in
= input_line_pointer
;
5210 input_line_pointer
= str
;
5211 seg
= expression (&the_insn
.exp
);
5212 if (!(seg
== absolute_section
5213 || seg
== undefined_section
5214 || SEG_NORMAL (seg
)))
5216 as_warn (_("Bad segment in expression."));
5217 expr_end
= input_line_pointer
;
5218 input_line_pointer
= save_in
;
5221 expr_end
= input_line_pointer
;
5222 input_line_pointer
= save_in
;
5226 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5228 pa_get_absolute_expression (insn
, strp
)
5234 insn
->field_selector
= pa_chk_field_selector (strp
);
5235 save_in
= input_line_pointer
;
5236 input_line_pointer
= *strp
;
5237 expression (&insn
->exp
);
5238 /* This is not perfect, but is a huge improvement over doing nothing.
5240 The PA assembly syntax is ambiguous in a variety of ways. Consider
5241 this string "4 %r5" Is that the number 4 followed by the register
5242 r5, or is that 4 MOD r5?
5244 If we get a modulo expression when looking for an absolute, we try
5245 again cutting off the input string at the first whitespace character. */
5246 if (insn
->exp
.X_op
== O_modulus
)
5251 input_line_pointer
= *strp
;
5253 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5259 retval
= pa_get_absolute_expression (insn
, strp
);
5261 input_line_pointer
= save_in
;
5263 return evaluate_absolute (insn
);
5265 /* When in strict mode we have a non-match, fix up the pointers
5266 and return to our caller. */
5267 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5269 expr_end
= input_line_pointer
;
5270 input_line_pointer
= save_in
;
5273 if (insn
->exp
.X_op
!= O_constant
)
5275 as_bad (_("Bad segment (should be absolute)."));
5276 expr_end
= input_line_pointer
;
5277 input_line_pointer
= save_in
;
5280 expr_end
= input_line_pointer
;
5281 input_line_pointer
= save_in
;
5282 return evaluate_absolute (insn
);
5285 /* Evaluate an absolute expression EXP which may be modified by
5286 the selector FIELD_SELECTOR. Return the value of the expression. */
5288 evaluate_absolute (insn
)
5293 int field_selector
= insn
->field_selector
;
5296 value
= exp
.X_add_number
;
5298 return hppa_field_adjust (0, value
, field_selector
);
5301 /* Given an argument location specification return the associated
5302 argument location number. */
5305 pa_build_arg_reloc (type_name
)
5309 if (strncasecmp (type_name
, "no", 2) == 0)
5311 if (strncasecmp (type_name
, "gr", 2) == 0)
5313 else if (strncasecmp (type_name
, "fr", 2) == 0)
5315 else if (strncasecmp (type_name
, "fu", 2) == 0)
5318 as_bad (_("Invalid argument location: %s\n"), type_name
);
5323 /* Encode and return an argument relocation specification for
5324 the given register in the location specified by arg_reloc. */
5327 pa_align_arg_reloc (reg
, arg_reloc
)
5329 unsigned int arg_reloc
;
5331 unsigned int new_reloc
;
5333 new_reloc
= arg_reloc
;
5349 as_bad (_("Invalid argument description: %d"), reg
);
5355 /* Parse a PA nullification completer (,n). Return nonzero if the
5356 completer was found; return zero if no completer was found. */
5368 if (strncasecmp (*s
, "n", 1) == 0)
5372 as_bad (_("Invalid Nullification: (%c)"), **s
);
5381 /* Parse a non-negated compare/subtract completer returning the
5382 number (for encoding in instructions) of the given completer. */
5385 pa_parse_nonneg_cmpsub_cmpltr (s
)
5389 char *name
= *s
+ 1;
5398 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5403 if (strcmp (name
, "=") == 0)
5407 else if (strcmp (name
, "<") == 0)
5411 else if (strcmp (name
, "<=") == 0)
5415 else if (strcmp (name
, "<<") == 0)
5419 else if (strcmp (name
, "<<=") == 0)
5423 else if (strcasecmp (name
, "sv") == 0)
5427 else if (strcasecmp (name
, "od") == 0)
5431 /* If we have something like addb,n then there is no condition
5433 else if (strcasecmp (name
, "n") == 0)
5445 /* Reset pointers if this was really a ,n for a branch instruction. */
5452 /* Parse a negated compare/subtract completer returning the
5453 number (for encoding in instructions) of the given completer. */
5456 pa_parse_neg_cmpsub_cmpltr (s
)
5460 char *name
= *s
+ 1;
5469 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5474 if (strcasecmp (name
, "tr") == 0)
5478 else if (strcmp (name
, "<>") == 0)
5482 else if (strcmp (name
, ">=") == 0)
5486 else if (strcmp (name
, ">") == 0)
5490 else if (strcmp (name
, ">>=") == 0)
5494 else if (strcmp (name
, ">>") == 0)
5498 else if (strcasecmp (name
, "nsv") == 0)
5502 else if (strcasecmp (name
, "ev") == 0)
5506 /* If we have something like addb,n then there is no condition
5508 else if (strcasecmp (name
, "n") == 0)
5520 /* Reset pointers if this was really a ,n for a branch instruction. */
5527 /* Parse a 64 bit compare and branch completer returning the number (for
5528 encoding in instructions) of the given completer.
5530 Nonnegated comparisons are returned as 0-7, negated comparisons are
5531 returned as 8-15. */
5534 pa_parse_cmpb_64_cmpltr (s
)
5538 char *name
= *s
+ 1;
5545 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5550 if (strcmp (name
, "*") == 0)
5554 else if (strcmp (name
, "*=") == 0)
5558 else if (strcmp (name
, "*<") == 0)
5562 else if (strcmp (name
, "*<=") == 0)
5566 else if (strcmp (name
, "*<<") == 0)
5570 else if (strcmp (name
, "*<<=") == 0)
5574 else if (strcasecmp (name
, "*sv") == 0)
5578 else if (strcasecmp (name
, "*od") == 0)
5582 else if (strcasecmp (name
, "*tr") == 0)
5586 else if (strcmp (name
, "*<>") == 0)
5590 else if (strcmp (name
, "*>=") == 0)
5594 else if (strcmp (name
, "*>") == 0)
5598 else if (strcmp (name
, "*>>=") == 0)
5602 else if (strcmp (name
, "*>>") == 0)
5606 else if (strcasecmp (name
, "*nsv") == 0)
5610 else if (strcasecmp (name
, "*ev") == 0)
5624 /* Parse a 64 bit compare immediate and branch completer returning the number
5625 (for encoding in instructions) of the given completer. */
5628 pa_parse_cmpib_64_cmpltr (s
)
5632 char *name
= *s
+ 1;
5639 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5644 if (strcmp (name
, "*<<") == 0)
5648 else if (strcmp (name
, "*=") == 0)
5652 else if (strcmp (name
, "*<") == 0)
5656 else if (strcmp (name
, "*<=") == 0)
5660 else if (strcmp (name
, "*>>=") == 0)
5664 else if (strcmp (name
, "*<>") == 0)
5668 else if (strcasecmp (name
, "*>=") == 0)
5672 else if (strcasecmp (name
, "*>") == 0)
5686 /* Parse a non-negated addition completer returning the number
5687 (for encoding in instructions) of the given completer. */
5690 pa_parse_nonneg_add_cmpltr (s
)
5694 char *name
= *s
+ 1;
5703 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5707 if (strcmp (name
, "=") == 0)
5711 else if (strcmp (name
, "<") == 0)
5715 else if (strcmp (name
, "<=") == 0)
5719 else if (strcasecmp (name
, "nuv") == 0)
5723 else if (strcasecmp (name
, "znv") == 0)
5727 else if (strcasecmp (name
, "sv") == 0)
5731 else if (strcasecmp (name
, "od") == 0)
5735 /* If we have something like addb,n then there is no condition
5737 else if (strcasecmp (name
, "n") == 0)
5749 /* Reset pointers if this was really a ,n for a branch instruction. */
5756 /* Parse a negated addition completer returning the number
5757 (for encoding in instructions) of the given completer. */
5760 pa_parse_neg_add_cmpltr (s
)
5764 char *name
= *s
+ 1;
5773 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5777 if (strcasecmp (name
, "tr") == 0)
5781 else if (strcmp (name
, "<>") == 0)
5785 else if (strcmp (name
, ">=") == 0)
5789 else if (strcmp (name
, ">") == 0)
5793 else if (strcasecmp (name
, "uv") == 0)
5797 else if (strcasecmp (name
, "vnz") == 0)
5801 else if (strcasecmp (name
, "nsv") == 0)
5805 else if (strcasecmp (name
, "ev") == 0)
5809 /* If we have something like addb,n then there is no condition
5811 else if (strcasecmp (name
, "n") == 0)
5823 /* Reset pointers if this was really a ,n for a branch instruction. */
5830 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5831 encoding in instructions) of the given completer. */
5834 pa_parse_addb_64_cmpltr (s
)
5838 char *name
= *s
+ 1;
5847 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5851 if (strcmp (name
, "=") == 0)
5855 else if (strcmp (name
, "<") == 0)
5859 else if (strcmp (name
, "<=") == 0)
5863 else if (strcasecmp (name
, "nuv") == 0)
5867 else if (strcasecmp (name
, "*=") == 0)
5871 else if (strcasecmp (name
, "*<") == 0)
5875 else if (strcasecmp (name
, "*<=") == 0)
5879 else if (strcmp (name
, "tr") == 0)
5883 else if (strcmp (name
, "<>") == 0)
5887 else if (strcmp (name
, ">=") == 0)
5891 else if (strcmp (name
, ">") == 0)
5895 else if (strcasecmp (name
, "uv") == 0)
5899 else if (strcasecmp (name
, "*<>") == 0)
5903 else if (strcasecmp (name
, "*>=") == 0)
5907 else if (strcasecmp (name
, "*>") == 0)
5911 /* If we have something like addb,n then there is no condition
5913 else if (strcasecmp (name
, "n") == 0)
5925 /* Reset pointers if this was really a ,n for a branch instruction. */
5933 /* Handle an alignment directive. Special so that we can update the
5934 alignment of the subspace if necessary. */
5939 /* We must have a valid space and subspace. */
5940 pa_check_current_space_and_subspace ();
5942 /* Let the generic gas code do most of the work. */
5943 s_align_bytes (bytes
);
5945 /* If bytes is a power of 2, then update the current subspace's
5946 alignment if necessary. */
5947 if (exact_log2 (bytes
) != -1)
5948 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5952 /* Handle a .BLOCK type pseudo-op. */
5956 int z ATTRIBUTE_UNUSED
;
5958 unsigned int temp_size
;
5961 /* We must have a valid space and subspace. */
5962 pa_check_current_space_and_subspace ();
5965 temp_size
= get_absolute_expression ();
5967 if (temp_size
> 0x3FFFFFFF)
5969 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5974 /* Always fill with zeros, that's what the HP assembler does. */
5975 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5979 pa_undefine_label ();
5980 demand_empty_rest_of_line ();
5983 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5987 int begin ATTRIBUTE_UNUSED
;
5991 /* The BRTAB relocations are only available in SOM (to denote
5992 the beginning and end of branch tables). */
5993 char *where
= frag_more (0);
5995 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5996 NULL
, (offsetT
) 0, NULL
,
5997 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
6001 demand_empty_rest_of_line ();
6004 /* Handle a .begin_try and .end_try pseudo-op. */
6008 int begin ATTRIBUTE_UNUSED
;
6012 char *where
= frag_more (0);
6017 /* The TRY relocations are only available in SOM (to denote
6018 the beginning and end of exception handling regions). */
6020 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6021 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
6022 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6026 demand_empty_rest_of_line ();
6029 /* Handle a .CALL pseudo-op. This involves storing away information
6030 about where arguments are to be found so the linker can detect
6031 (and correct) argument location mismatches between caller and callee. */
6035 int unused ATTRIBUTE_UNUSED
;
6038 /* We must have a valid space and subspace. */
6039 pa_check_current_space_and_subspace ();
6042 pa_call_args (&last_call_desc
);
6043 demand_empty_rest_of_line ();
6046 /* Do the dirty work of building a call descriptor which describes
6047 where the caller placed arguments to a function call. */
6050 pa_call_args (call_desc
)
6051 struct call_desc
*call_desc
;
6054 unsigned int temp
, arg_reloc
;
6056 while (!is_end_of_statement ())
6058 name
= input_line_pointer
;
6059 c
= get_symbol_end ();
6060 /* Process a source argument. */
6061 if ((strncasecmp (name
, "argw", 4) == 0))
6063 temp
= atoi (name
+ 4);
6064 p
= input_line_pointer
;
6066 input_line_pointer
++;
6067 name
= input_line_pointer
;
6068 c
= get_symbol_end ();
6069 arg_reloc
= pa_build_arg_reloc (name
);
6070 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6072 /* Process a return value. */
6073 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6075 p
= input_line_pointer
;
6077 input_line_pointer
++;
6078 name
= input_line_pointer
;
6079 c
= get_symbol_end ();
6080 arg_reloc
= pa_build_arg_reloc (name
);
6081 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6085 as_bad (_("Invalid .CALL argument: %s"), name
);
6087 p
= input_line_pointer
;
6089 if (!is_end_of_statement ())
6090 input_line_pointer
++;
6094 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6097 is_same_frag (frag1
, frag2
)
6104 else if (frag2
== NULL
)
6106 else if (frag1
== frag2
)
6108 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6109 return (is_same_frag (frag1
, frag2
->fr_next
));
6115 /* Build an entry in the UNWIND subspace from the given function
6116 attributes in CALL_INFO. This is not needed for SOM as using
6117 R_ENTRY and R_EXIT relocations allow the linker to handle building
6118 of the unwind spaces. */
6121 pa_build_unwind_subspace (call_info
)
6122 struct call_info
*call_info
;
6124 asection
*seg
, *save_seg
;
6125 subsegT save_subseg
;
6126 unsigned int unwind
;
6130 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6131 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6132 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6135 reloc
= R_PARISC_SEGREL32
;
6137 save_subseg
= now_subseg
;
6138 /* Get into the right seg/subseg. This may involve creating
6139 the seg the first time through. Make sure to have the
6140 old seg/subseg so that we can reset things when we are done. */
6141 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6142 if (seg
== ASEC_NULL
)
6144 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6145 bfd_set_section_flags (stdoutput
, seg
,
6146 SEC_READONLY
| SEC_HAS_CONTENTS
6147 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6148 bfd_set_section_alignment (stdoutput
, seg
, 2);
6151 subseg_set (seg
, 0);
6153 /* Get some space to hold relocation information for the unwind
6157 /* Relocation info. for start offset of the function. */
6158 md_number_to_chars (p
, 0, 4);
6159 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6160 call_info
->start_symbol
, (offsetT
) 0,
6161 (expressionS
*) NULL
, 0, reloc
,
6164 /* Relocation info. for end offset of the function.
6166 Because we allow reductions of 32bit relocations for ELF, this will be
6167 reduced to section_sym + offset which avoids putting the temporary
6168 symbol into the symbol table. It (should) end up giving the same
6169 value as call_info->start_symbol + function size once the linker is
6170 finished with its work. */
6171 md_number_to_chars (p
+ 4, 0, 4);
6172 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6173 call_info
->end_symbol
, (offsetT
) 0,
6174 (expressionS
*) NULL
, 0, reloc
,
6177 /* Dump the descriptor. */
6178 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6179 md_number_to_chars (p
+ 8, unwind
, 4);
6181 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6182 md_number_to_chars (p
+ 12, unwind
, 4);
6184 /* Return back to the original segment/subsegment. */
6185 subseg_set (save_seg
, save_subseg
);
6189 /* Process a .CALLINFO pseudo-op. This information is used later
6190 to build unwind descriptors and maybe one day to support
6191 .ENTER and .LEAVE. */
6194 pa_callinfo (unused
)
6195 int unused ATTRIBUTE_UNUSED
;
6201 /* We must have a valid space and subspace. */
6202 pa_check_current_space_and_subspace ();
6205 /* .CALLINFO must appear within a procedure definition. */
6206 if (!within_procedure
)
6207 as_bad (_(".callinfo is not within a procedure definition"));
6209 /* Mark the fact that we found the .CALLINFO for the
6210 current procedure. */
6211 callinfo_found
= TRUE
;
6213 /* Iterate over the .CALLINFO arguments. */
6214 while (!is_end_of_statement ())
6216 name
= input_line_pointer
;
6217 c
= get_symbol_end ();
6218 /* Frame size specification. */
6219 if ((strncasecmp (name
, "frame", 5) == 0))
6221 p
= input_line_pointer
;
6223 input_line_pointer
++;
6224 temp
= get_absolute_expression ();
6225 if ((temp
& 0x3) != 0)
6227 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6231 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6232 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6235 /* Entry register (GR, GR and SR) specifications. */
6236 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6238 p
= input_line_pointer
;
6240 input_line_pointer
++;
6241 temp
= get_absolute_expression ();
6242 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6243 even though %r19 is caller saved. I think this is a bug in
6244 the HP assembler, and we are not going to emulate it. */
6245 if (temp
< 3 || temp
> 18)
6246 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6247 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6249 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6251 p
= input_line_pointer
;
6253 input_line_pointer
++;
6254 temp
= get_absolute_expression ();
6255 /* Similarly the HP assembler takes 31 as the high bound even
6256 though %fr21 is the last callee saved floating point register. */
6257 if (temp
< 12 || temp
> 21)
6258 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6259 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6261 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6263 p
= input_line_pointer
;
6265 input_line_pointer
++;
6266 temp
= get_absolute_expression ();
6268 as_bad (_("Value for ENTRY_SR must be 3\n"));
6270 /* Note whether or not this function performs any calls. */
6271 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6272 (strncasecmp (name
, "caller", 6) == 0))
6274 p
= input_line_pointer
;
6277 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6279 p
= input_line_pointer
;
6282 /* Should RP be saved into the stack. */
6283 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6285 p
= input_line_pointer
;
6287 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6289 /* Likewise for SP. */
6290 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6292 p
= input_line_pointer
;
6294 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6296 /* Is this an unwindable procedure. If so mark it so
6297 in the unwind descriptor. */
6298 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6300 p
= input_line_pointer
;
6302 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6304 /* Is this an interrupt routine. If so mark it in the
6305 unwind descriptor. */
6306 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6308 p
= input_line_pointer
;
6310 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6312 /* Is this a millicode routine. "millicode" isn't in my
6313 assembler manual, but my copy is old. The HP assembler
6314 accepts it, and there's a place in the unwind descriptor
6315 to drop the information, so we'll accept it too. */
6316 else if ((strncasecmp (name
, "millicode", 9) == 0))
6318 p
= input_line_pointer
;
6320 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6324 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6325 *input_line_pointer
= c
;
6327 if (!is_end_of_statement ())
6328 input_line_pointer
++;
6331 demand_empty_rest_of_line ();
6334 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6335 /* Switch to the text space. Like s_text, but delete our
6336 label when finished. */
6339 int unused ATTRIBUTE_UNUSED
;
6342 current_space
= is_defined_space ("$TEXT$");
6344 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6348 pa_undefine_label ();
6351 /* Switch to the data space. As usual delete our label. */
6354 int unused ATTRIBUTE_UNUSED
;
6357 current_space
= is_defined_space ("$PRIVATE$");
6359 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6362 pa_undefine_label ();
6365 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6366 the .comm pseudo-op has the following symtax:
6368 <label> .comm <length>
6370 where <label> is optional and is a symbol whose address will be the start of
6371 a block of memory <length> bytes long. <length> must be an absolute
6372 expression. <length> bytes will be allocated in the current space
6375 Also note the label may not even be on the same line as the .comm.
6377 This difference in syntax means the colon function will be called
6378 on the symbol before we arrive in pa_comm. colon will set a number
6379 of attributes of the symbol that need to be fixed here. In particular
6380 the value, section pointer, fragment pointer, flags, etc. What
6383 This also makes error detection all but impossible. */
6387 int unused ATTRIBUTE_UNUSED
;
6391 label_symbol_struct
*label_symbol
= pa_get_label ();
6394 symbol
= label_symbol
->lss_label
;
6399 size
= get_absolute_expression ();
6403 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6404 S_SET_VALUE (symbol
, size
);
6405 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6406 S_SET_EXTERNAL (symbol
);
6408 /* colon() has already set the frag to the current location in the
6409 current subspace; we need to reset the fragment to the zero address
6410 fragment. We also need to reset the segment pointer. */
6411 symbol_set_frag (symbol
, &zero_address_frag
);
6413 demand_empty_rest_of_line ();
6415 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6417 /* Process a .END pseudo-op. */
6421 int unused ATTRIBUTE_UNUSED
;
6423 demand_empty_rest_of_line ();
6426 /* Process a .ENTER pseudo-op. This is not supported. */
6429 int unused ATTRIBUTE_UNUSED
;
6432 /* We must have a valid space and subspace. */
6433 pa_check_current_space_and_subspace ();
6436 as_bad (_("The .ENTER pseudo-op is not supported"));
6437 demand_empty_rest_of_line ();
6440 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6444 int unused ATTRIBUTE_UNUSED
;
6447 /* We must have a valid space and subspace. */
6448 pa_check_current_space_and_subspace ();
6451 if (!within_procedure
)
6452 as_bad (_("Misplaced .entry. Ignored."));
6455 if (!callinfo_found
)
6456 as_bad (_("Missing .callinfo."));
6458 demand_empty_rest_of_line ();
6459 within_entry_exit
= TRUE
;
6462 /* SOM defers building of unwind descriptors until the link phase.
6463 The assembler is responsible for creating an R_ENTRY relocation
6464 to mark the beginning of a region and hold the unwind bits, and
6465 for creating an R_EXIT relocation to mark the end of the region.
6467 FIXME. ELF should be using the same conventions! The problem
6468 is an unwind requires too much relocation space. Hmmm. Maybe
6469 if we split the unwind bits up between the relocations which
6470 denote the entry and exit points. */
6471 if (last_call_info
->start_symbol
!= NULL
)
6476 where
= frag_more (0);
6477 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6478 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6479 NULL
, (offsetT
) 0, NULL
,
6480 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6485 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6486 being able to subtract two register symbols that specify a range of
6487 registers, to get the size of the range. */
6488 static int fudge_reg_expressions
;
6491 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6492 expressionS
*resultP
;
6493 operatorT op ATTRIBUTE_UNUSED
;
6494 expressionS
*rightP
;
6496 if (fudge_reg_expressions
6497 && rightP
->X_op
== O_register
6498 && resultP
->X_op
== O_register
)
6500 rightP
->X_op
= O_constant
;
6501 resultP
->X_op
= O_constant
;
6503 return 0; /* Continue normal expr handling. */
6506 /* Handle a .EQU pseudo-op. */
6512 label_symbol_struct
*label_symbol
= pa_get_label ();
6517 symbol
= label_symbol
->lss_label
;
6521 if (!pa_parse_number (&input_line_pointer
, 0))
6522 as_bad (_(".REG expression must be a register"));
6523 S_SET_VALUE (symbol
, pa_number
);
6524 S_SET_SEGMENT (symbol
, reg_section
);
6531 fudge_reg_expressions
= 1;
6532 seg
= expression (&exp
);
6533 fudge_reg_expressions
= 0;
6534 if (exp
.X_op
!= O_constant
6535 && exp
.X_op
!= O_register
)
6537 if (exp
.X_op
!= O_absent
)
6538 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6539 exp
.X_add_number
= 0;
6540 seg
= absolute_section
;
6542 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6543 S_SET_SEGMENT (symbol
, seg
);
6549 as_bad (_(".REG must use a label"));
6551 as_bad (_(".EQU must use a label"));
6554 pa_undefine_label ();
6555 demand_empty_rest_of_line ();
6558 /* Helper function. Does processing for the end of a function. This
6559 usually involves creating some relocations or building special
6560 symbols to mark the end of the function. */
6567 where
= frag_more (0);
6570 /* Mark the end of the function, stuff away the location of the frag
6571 for the end of the function, and finally call pa_build_unwind_subspace
6572 to add an entry in the unwind table. */
6573 hppa_elf_mark_end_of_function ();
6574 pa_build_unwind_subspace (last_call_info
);
6576 /* SOM defers building of unwind descriptors until the link phase.
6577 The assembler is responsible for creating an R_ENTRY relocation
6578 to mark the beginning of a region and hold the unwind bits, and
6579 for creating an R_EXIT relocation to mark the end of the region.
6581 FIXME. ELF should be using the same conventions! The problem
6582 is an unwind requires too much relocation space. Hmmm. Maybe
6583 if we split the unwind bits up between the relocations which
6584 denote the entry and exit points. */
6585 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6587 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6588 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6592 /* Process a .EXIT pseudo-op. */
6596 int unused ATTRIBUTE_UNUSED
;
6599 /* We must have a valid space and subspace. */
6600 pa_check_current_space_and_subspace ();
6603 if (!within_procedure
)
6604 as_bad (_(".EXIT must appear within a procedure"));
6607 if (!callinfo_found
)
6608 as_bad (_("Missing .callinfo"));
6611 if (!within_entry_exit
)
6612 as_bad (_("No .ENTRY for this .EXIT"));
6615 within_entry_exit
= FALSE
;
6620 demand_empty_rest_of_line ();
6623 /* Process a .EXPORT directive. This makes functions external
6624 and provides information such as argument relocation entries
6629 int unused ATTRIBUTE_UNUSED
;
6634 name
= input_line_pointer
;
6635 c
= get_symbol_end ();
6636 /* Make sure the given symbol exists. */
6637 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6639 as_bad (_("Cannot define export symbol: %s\n"), name
);
6640 p
= input_line_pointer
;
6642 input_line_pointer
++;
6646 /* OK. Set the external bits and process argument relocations.
6647 For the HP, weak and global are not mutually exclusive.
6648 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6649 Call S_SET_EXTERNAL to get the other processing. Manually
6650 set BSF_GLOBAL when we get back. */
6651 S_SET_EXTERNAL (symbol
);
6652 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6653 p
= input_line_pointer
;
6655 if (!is_end_of_statement ())
6657 input_line_pointer
++;
6658 pa_type_args (symbol
, 1);
6662 demand_empty_rest_of_line ();
6665 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6668 pa_type_args (symbolP
, is_export
)
6673 unsigned int temp
, arg_reloc
;
6674 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6675 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6677 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6680 input_line_pointer
+= 8;
6681 bfdsym
->flags
&= ~BSF_FUNCTION
;
6682 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6683 type
= SYMBOL_TYPE_ABSOLUTE
;
6685 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6687 input_line_pointer
+= 4;
6688 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6689 instead one should be IMPORTing/EXPORTing ENTRY types.
6691 Complain if one tries to EXPORT a CODE type since that's never
6692 done. Both GCC and HP C still try to IMPORT CODE types, so
6693 silently fix them to be ENTRY types. */
6694 if (S_IS_FUNCTION (symbolP
))
6697 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6698 S_GET_NAME (symbolP
));
6700 bfdsym
->flags
|= BSF_FUNCTION
;
6701 type
= SYMBOL_TYPE_ENTRY
;
6705 bfdsym
->flags
&= ~BSF_FUNCTION
;
6706 type
= SYMBOL_TYPE_CODE
;
6709 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6711 input_line_pointer
+= 4;
6712 bfdsym
->flags
&= ~BSF_FUNCTION
;
6713 bfdsym
->flags
|= BSF_OBJECT
;
6714 type
= SYMBOL_TYPE_DATA
;
6716 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6718 input_line_pointer
+= 5;
6719 bfdsym
->flags
|= BSF_FUNCTION
;
6720 type
= SYMBOL_TYPE_ENTRY
;
6722 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6724 input_line_pointer
+= 9;
6725 bfdsym
->flags
|= BSF_FUNCTION
;
6728 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6729 elfsym
->internal_elf_sym
.st_info
=
6730 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6734 type
= SYMBOL_TYPE_MILLICODE
;
6736 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6738 input_line_pointer
+= 6;
6739 bfdsym
->flags
&= ~BSF_FUNCTION
;
6740 type
= SYMBOL_TYPE_PLABEL
;
6742 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6744 input_line_pointer
+= 8;
6745 bfdsym
->flags
|= BSF_FUNCTION
;
6746 type
= SYMBOL_TYPE_PRI_PROG
;
6748 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6750 input_line_pointer
+= 8;
6751 bfdsym
->flags
|= BSF_FUNCTION
;
6752 type
= SYMBOL_TYPE_SEC_PROG
;
6755 /* SOM requires much more information about symbol types
6756 than BFD understands. This is how we get this information
6757 to the SOM BFD backend. */
6758 #ifdef obj_set_symbol_type
6759 obj_set_symbol_type (bfdsym
, (int) type
);
6762 /* Now that the type of the exported symbol has been handled,
6763 handle any argument relocation information. */
6764 while (!is_end_of_statement ())
6766 if (*input_line_pointer
== ',')
6767 input_line_pointer
++;
6768 name
= input_line_pointer
;
6769 c
= get_symbol_end ();
6770 /* Argument sources. */
6771 if ((strncasecmp (name
, "argw", 4) == 0))
6773 p
= input_line_pointer
;
6775 input_line_pointer
++;
6776 temp
= atoi (name
+ 4);
6777 name
= input_line_pointer
;
6778 c
= get_symbol_end ();
6779 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6780 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6781 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6783 *input_line_pointer
= c
;
6785 /* The return value. */
6786 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6788 p
= input_line_pointer
;
6790 input_line_pointer
++;
6791 name
= input_line_pointer
;
6792 c
= get_symbol_end ();
6793 arg_reloc
= pa_build_arg_reloc (name
);
6794 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6795 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6797 *input_line_pointer
= c
;
6799 /* Privilege level. */
6800 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6802 p
= input_line_pointer
;
6804 input_line_pointer
++;
6805 temp
= atoi (input_line_pointer
);
6807 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6809 c
= get_symbol_end ();
6810 *input_line_pointer
= c
;
6814 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6815 p
= input_line_pointer
;
6818 if (!is_end_of_statement ())
6819 input_line_pointer
++;
6823 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6824 assembly file must either be defined in the assembly file, or
6825 explicitly IMPORTED from another. */
6829 int unused ATTRIBUTE_UNUSED
;
6834 name
= input_line_pointer
;
6835 c
= get_symbol_end ();
6837 symbol
= symbol_find (name
);
6838 /* Ugh. We might be importing a symbol defined earlier in the file,
6839 in which case all the code below will really screw things up
6840 (set the wrong segment, symbol flags & type, etc). */
6841 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6843 symbol
= symbol_find_or_make (name
);
6844 p
= input_line_pointer
;
6847 if (!is_end_of_statement ())
6849 input_line_pointer
++;
6850 pa_type_args (symbol
, 0);
6854 /* Sigh. To be compatible with the HP assembler and to help
6855 poorly written assembly code, we assign a type based on
6856 the current segment. Note only BSF_FUNCTION really
6857 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6858 if (now_seg
== text_section
)
6859 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6861 /* If the section is undefined, then the symbol is undefined
6862 Since this is an import, leave the section undefined. */
6863 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6868 /* The symbol was already defined. Just eat everything up to
6869 the end of the current statement. */
6870 while (!is_end_of_statement ())
6871 input_line_pointer
++;
6874 demand_empty_rest_of_line ();
6877 /* Handle a .LABEL pseudo-op. */
6881 int unused ATTRIBUTE_UNUSED
;
6885 name
= input_line_pointer
;
6886 c
= get_symbol_end ();
6888 if (strlen (name
) > 0)
6891 p
= input_line_pointer
;
6896 as_warn (_("Missing label name on .LABEL"));
6899 if (!is_end_of_statement ())
6901 as_warn (_("extra .LABEL arguments ignored."));
6902 ignore_rest_of_line ();
6904 demand_empty_rest_of_line ();
6907 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6911 int unused ATTRIBUTE_UNUSED
;
6914 /* We must have a valid space and subspace. */
6915 pa_check_current_space_and_subspace ();
6918 as_bad (_("The .LEAVE pseudo-op is not supported"));
6919 demand_empty_rest_of_line ();
6922 /* Handle a .LEVEL pseudo-op. */
6926 int unused ATTRIBUTE_UNUSED
;
6930 level
= input_line_pointer
;
6931 if (strncmp (level
, "1.0", 3) == 0)
6933 input_line_pointer
+= 3;
6934 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6935 as_warn (_("could not set architecture and machine"));
6937 else if (strncmp (level
, "1.1", 3) == 0)
6939 input_line_pointer
+= 3;
6940 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6941 as_warn (_("could not set architecture and machine"));
6943 else if (strncmp (level
, "2.0w", 4) == 0)
6945 input_line_pointer
+= 4;
6946 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6947 as_warn (_("could not set architecture and machine"));
6949 else if (strncmp (level
, "2.0", 3) == 0)
6951 input_line_pointer
+= 3;
6952 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6953 as_warn (_("could not set architecture and machine"));
6957 as_bad (_("Unrecognized .LEVEL argument\n"));
6958 ignore_rest_of_line ();
6960 demand_empty_rest_of_line ();
6963 /* Handle a .ORIGIN pseudo-op. */
6967 int unused ATTRIBUTE_UNUSED
;
6970 /* We must have a valid space and subspace. */
6971 pa_check_current_space_and_subspace ();
6975 pa_undefine_label ();
6978 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6979 is for static functions. FIXME. Should share more code with .EXPORT. */
6983 int unused ATTRIBUTE_UNUSED
;
6988 name
= input_line_pointer
;
6989 c
= get_symbol_end ();
6991 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6993 as_bad (_("Cannot define static symbol: %s\n"), name
);
6994 p
= input_line_pointer
;
6996 input_line_pointer
++;
7000 S_CLEAR_EXTERNAL (symbol
);
7001 p
= input_line_pointer
;
7003 if (!is_end_of_statement ())
7005 input_line_pointer
++;
7006 pa_type_args (symbol
, 0);
7010 demand_empty_rest_of_line ();
7013 /* Handle a .PROC pseudo-op. It is used to mark the beginning
7014 of a procedure from a syntactical point of view. */
7018 int unused ATTRIBUTE_UNUSED
;
7020 struct call_info
*call_info
;
7023 /* We must have a valid space and subspace. */
7024 pa_check_current_space_and_subspace ();
7027 if (within_procedure
)
7028 as_fatal (_("Nested procedures"));
7030 /* Reset global variables for new procedure. */
7031 callinfo_found
= FALSE
;
7032 within_procedure
= TRUE
;
7034 /* Create another call_info structure. */
7035 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7038 as_fatal (_("Cannot allocate unwind descriptor\n"));
7040 memset (call_info
, 0, sizeof (struct call_info
));
7042 call_info
->ci_next
= NULL
;
7044 if (call_info_root
== NULL
)
7046 call_info_root
= call_info
;
7047 last_call_info
= call_info
;
7051 last_call_info
->ci_next
= call_info
;
7052 last_call_info
= call_info
;
7055 /* set up defaults on call_info structure */
7057 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7058 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7059 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7061 /* If we got a .PROC pseudo-op, we know that the function is defined
7062 locally. Make sure it gets into the symbol table. */
7064 label_symbol_struct
*label_symbol
= pa_get_label ();
7068 if (label_symbol
->lss_label
)
7070 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7071 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7074 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7077 last_call_info
->start_symbol
= NULL
;
7080 demand_empty_rest_of_line ();
7083 /* Process the syntactical end of a procedure. Make sure all the
7084 appropriate pseudo-ops were found within the procedure. */
7088 int unused ATTRIBUTE_UNUSED
;
7092 /* We must have a valid space and subspace. */
7093 pa_check_current_space_and_subspace ();
7096 /* If we are within a procedure definition, make sure we've
7097 defined a label for the procedure; handle case where the
7098 label was defined after the .PROC directive.
7100 Note there's not need to diddle with the segment or fragment
7101 for the label symbol in this case. We have already switched
7102 into the new $CODE$ subspace at this point. */
7103 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7105 label_symbol_struct
*label_symbol
= pa_get_label ();
7109 if (label_symbol
->lss_label
)
7111 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7112 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7115 /* Also handle allocation of a fixup to hold the unwind
7116 information when the label appears after the proc/procend. */
7117 if (within_entry_exit
)
7122 where
= frag_more (0);
7123 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7124 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7125 NULL
, (offsetT
) 0, NULL
,
7126 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7131 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7134 as_bad (_("Missing function name for .PROC"));
7137 if (!within_procedure
)
7138 as_bad (_("misplaced .procend"));
7140 if (!callinfo_found
)
7141 as_bad (_("Missing .callinfo for this procedure"));
7143 if (within_entry_exit
)
7144 as_bad (_("Missing .EXIT for a .ENTRY"));
7147 /* ELF needs to mark the end of each function so that it can compute
7148 the size of the function (apparently its needed in the symbol table). */
7149 hppa_elf_mark_end_of_function ();
7152 within_procedure
= FALSE
;
7153 demand_empty_rest_of_line ();
7154 pa_undefine_label ();
7158 /* If VALUE is an exact power of two between zero and 2^31, then
7159 return log2 (VALUE). Else return -1. */
7167 while ((1 << shift
) != value
&& shift
< 32)
7176 /* Check to make sure we have a valid space and subspace. */
7179 pa_check_current_space_and_subspace ()
7181 if (current_space
== NULL
)
7182 as_fatal (_("Not in a space.\n"));
7184 if (current_subspace
== NULL
)
7185 as_fatal (_("Not in a subspace.\n"));
7188 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7189 then create a new space entry to hold the information specified
7190 by the parameters to the .SPACE directive. */
7192 static sd_chain_struct
*
7193 pa_parse_space_stmt (space_name
, create_flag
)
7197 char *name
, *ptemp
, c
;
7198 char loadable
, defined
, private, sort
;
7200 asection
*seg
= NULL
;
7201 sd_chain_struct
*space
;
7203 /* load default values */
7209 if (strcmp (space_name
, "$TEXT$") == 0)
7211 seg
= pa_def_spaces
[0].segment
;
7212 defined
= pa_def_spaces
[0].defined
;
7213 private = pa_def_spaces
[0].private;
7214 sort
= pa_def_spaces
[0].sort
;
7215 spnum
= pa_def_spaces
[0].spnum
;
7217 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7219 seg
= pa_def_spaces
[1].segment
;
7220 defined
= pa_def_spaces
[1].defined
;
7221 private = pa_def_spaces
[1].private;
7222 sort
= pa_def_spaces
[1].sort
;
7223 spnum
= pa_def_spaces
[1].spnum
;
7226 if (!is_end_of_statement ())
7228 print_errors
= FALSE
;
7229 ptemp
= input_line_pointer
+ 1;
7230 /* First see if the space was specified as a number rather than
7231 as a name. According to the PA assembly manual the rest of
7232 the line should be ignored. */
7234 pa_parse_number (&ptemp
, 0);
7238 input_line_pointer
= ptemp
;
7242 while (!is_end_of_statement ())
7244 input_line_pointer
++;
7245 name
= input_line_pointer
;
7246 c
= get_symbol_end ();
7247 if ((strncasecmp (name
, "spnum", 5) == 0))
7249 *input_line_pointer
= c
;
7250 input_line_pointer
++;
7251 spnum
= get_absolute_expression ();
7253 else if ((strncasecmp (name
, "sort", 4) == 0))
7255 *input_line_pointer
= c
;
7256 input_line_pointer
++;
7257 sort
= get_absolute_expression ();
7259 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7261 *input_line_pointer
= c
;
7264 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7266 *input_line_pointer
= c
;
7269 else if ((strncasecmp (name
, "private", 7) == 0))
7271 *input_line_pointer
= c
;
7276 as_bad (_("Invalid .SPACE argument"));
7277 *input_line_pointer
= c
;
7278 if (!is_end_of_statement ())
7279 input_line_pointer
++;
7283 print_errors
= TRUE
;
7286 if (create_flag
&& seg
== NULL
)
7287 seg
= subseg_new (space_name
, 0);
7289 /* If create_flag is nonzero, then create the new space with
7290 the attributes computed above. Else set the values in
7291 an already existing space -- this can only happen for
7292 the first occurrence of a built-in space. */
7294 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7295 private, sort
, seg
, 1);
7298 space
= is_defined_space (space_name
);
7299 SPACE_SPNUM (space
) = spnum
;
7300 SPACE_DEFINED (space
) = defined
& 1;
7301 SPACE_USER_DEFINED (space
) = 1;
7304 #ifdef obj_set_section_attributes
7305 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7311 /* Handle a .SPACE pseudo-op; this switches the current space to the
7312 given space, creating the new space if necessary. */
7316 int unused ATTRIBUTE_UNUSED
;
7318 char *name
, c
, *space_name
, *save_s
;
7319 sd_chain_struct
*sd_chain
;
7321 if (within_procedure
)
7323 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7324 ignore_rest_of_line ();
7328 /* Check for some of the predefined spaces. FIXME: most of the code
7329 below is repeated several times, can we extract the common parts
7330 and place them into a subroutine or something similar? */
7331 /* FIXME Is this (and the next IF stmt) really right?
7332 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7333 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7335 input_line_pointer
+= 6;
7336 sd_chain
= is_defined_space ("$TEXT$");
7337 if (sd_chain
== NULL
)
7338 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7339 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7340 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7342 current_space
= sd_chain
;
7343 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7345 = pa_subsegment_to_subspace (text_section
,
7346 sd_chain
->sd_last_subseg
);
7347 demand_empty_rest_of_line ();
7350 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7352 input_line_pointer
+= 9;
7353 sd_chain
= is_defined_space ("$PRIVATE$");
7354 if (sd_chain
== NULL
)
7355 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7356 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7357 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7359 current_space
= sd_chain
;
7360 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7362 = pa_subsegment_to_subspace (data_section
,
7363 sd_chain
->sd_last_subseg
);
7364 demand_empty_rest_of_line ();
7367 if (!strncasecmp (input_line_pointer
,
7368 GDB_DEBUG_SPACE_NAME
,
7369 strlen (GDB_DEBUG_SPACE_NAME
)))
7371 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7372 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7373 if (sd_chain
== NULL
)
7374 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7375 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7376 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7378 current_space
= sd_chain
;
7381 asection
*gdb_section
7382 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7384 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7386 = pa_subsegment_to_subspace (gdb_section
,
7387 sd_chain
->sd_last_subseg
);
7389 demand_empty_rest_of_line ();
7393 /* It could be a space specified by number. */
7395 save_s
= input_line_pointer
;
7397 pa_parse_number (&input_line_pointer
, 0);
7400 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7402 current_space
= sd_chain
;
7404 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7406 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7407 sd_chain
->sd_last_subseg
);
7408 demand_empty_rest_of_line ();
7413 /* Not a number, attempt to create a new space. */
7415 input_line_pointer
= save_s
;
7416 name
= input_line_pointer
;
7417 c
= get_symbol_end ();
7418 space_name
= xmalloc (strlen (name
) + 1);
7419 strcpy (space_name
, name
);
7420 *input_line_pointer
= c
;
7422 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7423 current_space
= sd_chain
;
7425 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7426 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7427 sd_chain
->sd_last_subseg
);
7428 demand_empty_rest_of_line ();
7432 /* Switch to a new space. (I think). FIXME. */
7436 int unused ATTRIBUTE_UNUSED
;
7441 sd_chain_struct
*space
;
7443 name
= input_line_pointer
;
7444 c
= get_symbol_end ();
7445 space
= is_defined_space (name
);
7449 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7452 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7454 *input_line_pointer
= c
;
7455 demand_empty_rest_of_line ();
7458 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7459 given subspace, creating the new subspace if necessary.
7461 FIXME. Should mirror pa_space more closely, in particular how
7462 they're broken up into subroutines. */
7465 pa_subspace (create_new
)
7468 char *name
, *ss_name
, c
;
7469 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7470 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7471 sd_chain_struct
*space
;
7472 ssd_chain_struct
*ssd
;
7475 if (current_space
== NULL
)
7476 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7478 if (within_procedure
)
7480 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7481 ignore_rest_of_line ();
7485 name
= input_line_pointer
;
7486 c
= get_symbol_end ();
7487 ss_name
= xmalloc (strlen (name
) + 1);
7488 strcpy (ss_name
, name
);
7489 *input_line_pointer
= c
;
7491 /* Load default values. */
7504 space
= current_space
;
7508 ssd
= is_defined_subspace (ss_name
);
7509 /* Allow user to override the builtin attributes of subspaces. But
7510 only allow the attributes to be changed once! */
7511 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7513 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7514 current_subspace
= ssd
;
7515 if (!is_end_of_statement ())
7516 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7517 demand_empty_rest_of_line ();
7522 /* A new subspace. Load default values if it matches one of
7523 the builtin subspaces. */
7525 while (pa_def_subspaces
[i
].name
)
7527 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7529 loadable
= pa_def_subspaces
[i
].loadable
;
7530 comdat
= pa_def_subspaces
[i
].comdat
;
7531 common
= pa_def_subspaces
[i
].common
;
7532 dup_common
= pa_def_subspaces
[i
].dup_common
;
7533 code_only
= pa_def_subspaces
[i
].code_only
;
7534 zero
= pa_def_subspaces
[i
].zero
;
7535 space_index
= pa_def_subspaces
[i
].space_index
;
7536 alignment
= pa_def_subspaces
[i
].alignment
;
7537 quadrant
= pa_def_subspaces
[i
].quadrant
;
7538 access
= pa_def_subspaces
[i
].access
;
7539 sort
= pa_def_subspaces
[i
].sort
;
7546 /* We should be working with a new subspace now. Fill in
7547 any information as specified by the user. */
7548 if (!is_end_of_statement ())
7550 input_line_pointer
++;
7551 while (!is_end_of_statement ())
7553 name
= input_line_pointer
;
7554 c
= get_symbol_end ();
7555 if ((strncasecmp (name
, "quad", 4) == 0))
7557 *input_line_pointer
= c
;
7558 input_line_pointer
++;
7559 quadrant
= get_absolute_expression ();
7561 else if ((strncasecmp (name
, "align", 5) == 0))
7563 *input_line_pointer
= c
;
7564 input_line_pointer
++;
7565 alignment
= get_absolute_expression ();
7566 if (exact_log2 (alignment
) == -1)
7568 as_bad (_("Alignment must be a power of 2"));
7572 else if ((strncasecmp (name
, "access", 6) == 0))
7574 *input_line_pointer
= c
;
7575 input_line_pointer
++;
7576 access
= get_absolute_expression ();
7578 else if ((strncasecmp (name
, "sort", 4) == 0))
7580 *input_line_pointer
= c
;
7581 input_line_pointer
++;
7582 sort
= get_absolute_expression ();
7584 else if ((strncasecmp (name
, "code_only", 9) == 0))
7586 *input_line_pointer
= c
;
7589 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7591 *input_line_pointer
= c
;
7594 else if ((strncasecmp (name
, "comdat", 6) == 0))
7596 *input_line_pointer
= c
;
7599 else if ((strncasecmp (name
, "common", 6) == 0))
7601 *input_line_pointer
= c
;
7604 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7606 *input_line_pointer
= c
;
7609 else if ((strncasecmp (name
, "zero", 4) == 0))
7611 *input_line_pointer
= c
;
7614 else if ((strncasecmp (name
, "first", 5) == 0))
7615 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7617 as_bad (_("Invalid .SUBSPACE argument"));
7618 if (!is_end_of_statement ())
7619 input_line_pointer
++;
7623 /* Compute a reasonable set of BFD flags based on the information
7624 in the .subspace directive. */
7625 applicable
= bfd_applicable_section_flags (stdoutput
);
7628 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7632 /* These flags are used to implement various flavors of initialized
7633 common. The SOM linker discards duplicate subspaces when they
7634 have the same "key" symbol name. This support is more like
7635 GNU linkonce than BFD common. Further, pc-relative relocations
7636 are converted to section relative relocations in BFD common
7637 sections. This complicates the handling of relocations in
7638 common sections containing text and isn't currently supported
7639 correctly in the SOM BFD backend. */
7640 if (comdat
|| common
|| dup_common
)
7641 flags
|= SEC_LINK_ONCE
;
7643 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7645 /* This is a zero-filled subspace (eg BSS). */
7647 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7649 applicable
&= flags
;
7651 /* If this is an existing subspace, then we want to use the
7652 segment already associated with the subspace.
7654 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7655 lots of sections. It might be a problem in the PA ELF
7656 code, I do not know yet. For now avoid creating anything
7657 but the "standard" sections for ELF. */
7659 section
= subseg_force_new (ss_name
, 0);
7661 section
= ssd
->ssd_seg
;
7663 section
= subseg_new (ss_name
, 0);
7666 seg_info (section
)->bss
= 1;
7668 /* Now set the flags. */
7669 bfd_set_section_flags (stdoutput
, section
, applicable
);
7671 /* Record any alignment request for this section. */
7672 record_alignment (section
, exact_log2 (alignment
));
7674 /* Set the starting offset for this section. */
7675 bfd_set_section_vma (stdoutput
, section
,
7676 pa_subspace_start (space
, quadrant
));
7678 /* Now that all the flags are set, update an existing subspace,
7679 or create a new one. */
7682 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7683 code_only
, comdat
, common
,
7684 dup_common
, sort
, zero
, access
,
7685 space_index
, alignment
, quadrant
,
7688 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7689 code_only
, comdat
, common
,
7690 dup_common
, zero
, sort
,
7691 access
, space_index
,
7692 alignment
, quadrant
, section
);
7694 demand_empty_rest_of_line ();
7695 current_subspace
->ssd_seg
= section
;
7696 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7698 SUBSPACE_DEFINED (current_subspace
) = 1;
7701 /* Create default space and subspace dictionaries. */
7708 space_dict_root
= NULL
;
7709 space_dict_last
= NULL
;
7712 while (pa_def_spaces
[i
].name
)
7716 /* Pick the right name to use for the new section. */
7717 name
= pa_def_spaces
[i
].name
;
7719 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7720 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7721 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7722 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7723 pa_def_spaces
[i
].segment
, 0);
7728 while (pa_def_subspaces
[i
].name
)
7731 int applicable
, subsegment
;
7732 asection
*segment
= NULL
;
7733 sd_chain_struct
*space
;
7735 /* Pick the right name for the new section and pick the right
7736 subsegment number. */
7737 name
= pa_def_subspaces
[i
].name
;
7740 /* Create the new section. */
7741 segment
= subseg_new (name
, subsegment
);
7743 /* For SOM we want to replace the standard .text, .data, and .bss
7744 sections with our own. We also want to set BFD flags for
7745 all the built-in subspaces. */
7746 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7748 text_section
= segment
;
7749 applicable
= bfd_applicable_section_flags (stdoutput
);
7750 bfd_set_section_flags (stdoutput
, segment
,
7751 applicable
& (SEC_ALLOC
| SEC_LOAD
7752 | SEC_RELOC
| SEC_CODE
7754 | SEC_HAS_CONTENTS
));
7756 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7758 data_section
= segment
;
7759 applicable
= bfd_applicable_section_flags (stdoutput
);
7760 bfd_set_section_flags (stdoutput
, segment
,
7761 applicable
& (SEC_ALLOC
| SEC_LOAD
7763 | SEC_HAS_CONTENTS
));
7766 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7768 bss_section
= segment
;
7769 applicable
= bfd_applicable_section_flags (stdoutput
);
7770 bfd_set_section_flags (stdoutput
, segment
,
7771 applicable
& SEC_ALLOC
);
7773 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7775 applicable
= bfd_applicable_section_flags (stdoutput
);
7776 bfd_set_section_flags (stdoutput
, segment
,
7777 applicable
& (SEC_ALLOC
| SEC_LOAD
7780 | SEC_HAS_CONTENTS
));
7782 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7784 applicable
= bfd_applicable_section_flags (stdoutput
);
7785 bfd_set_section_flags (stdoutput
, segment
,
7786 applicable
& (SEC_ALLOC
| SEC_LOAD
7789 | SEC_HAS_CONTENTS
));
7791 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7793 applicable
= bfd_applicable_section_flags (stdoutput
);
7794 bfd_set_section_flags (stdoutput
, segment
,
7795 applicable
& (SEC_ALLOC
| SEC_LOAD
7798 | SEC_HAS_CONTENTS
));
7801 /* Find the space associated with this subspace. */
7802 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7803 def_space_index
].segment
);
7806 as_fatal (_("Internal error: Unable to find containing space for %s."),
7807 pa_def_subspaces
[i
].name
);
7810 create_new_subspace (space
, name
,
7811 pa_def_subspaces
[i
].loadable
,
7812 pa_def_subspaces
[i
].code_only
,
7813 pa_def_subspaces
[i
].comdat
,
7814 pa_def_subspaces
[i
].common
,
7815 pa_def_subspaces
[i
].dup_common
,
7816 pa_def_subspaces
[i
].zero
,
7817 pa_def_subspaces
[i
].sort
,
7818 pa_def_subspaces
[i
].access
,
7819 pa_def_subspaces
[i
].space_index
,
7820 pa_def_subspaces
[i
].alignment
,
7821 pa_def_subspaces
[i
].quadrant
,
7827 /* Create a new space NAME, with the appropriate flags as defined
7828 by the given parameters. */
7830 static sd_chain_struct
*
7831 create_new_space (name
, spnum
, loadable
, defined
, private,
7832 sort
, seg
, user_defined
)
7835 int loadable ATTRIBUTE_UNUSED
;
7842 sd_chain_struct
*chain_entry
;
7844 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7846 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7849 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7850 strcpy (SPACE_NAME (chain_entry
), name
);
7851 SPACE_DEFINED (chain_entry
) = defined
;
7852 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7853 SPACE_SPNUM (chain_entry
) = spnum
;
7855 chain_entry
->sd_seg
= seg
;
7856 chain_entry
->sd_last_subseg
= -1;
7857 chain_entry
->sd_subspaces
= NULL
;
7858 chain_entry
->sd_next
= NULL
;
7860 /* Find spot for the new space based on its sort key. */
7861 if (!space_dict_last
)
7862 space_dict_last
= chain_entry
;
7864 if (space_dict_root
== NULL
)
7865 space_dict_root
= chain_entry
;
7868 sd_chain_struct
*chain_pointer
;
7869 sd_chain_struct
*prev_chain_pointer
;
7871 chain_pointer
= space_dict_root
;
7872 prev_chain_pointer
= NULL
;
7874 while (chain_pointer
)
7876 prev_chain_pointer
= chain_pointer
;
7877 chain_pointer
= chain_pointer
->sd_next
;
7880 /* At this point we've found the correct place to add the new
7881 entry. So add it and update the linked lists as appropriate. */
7882 if (prev_chain_pointer
)
7884 chain_entry
->sd_next
= chain_pointer
;
7885 prev_chain_pointer
->sd_next
= chain_entry
;
7889 space_dict_root
= chain_entry
;
7890 chain_entry
->sd_next
= chain_pointer
;
7893 if (chain_entry
->sd_next
== NULL
)
7894 space_dict_last
= chain_entry
;
7897 /* This is here to catch predefined spaces which do not get
7898 modified by the user's input. Another call is found at
7899 the bottom of pa_parse_space_stmt to handle cases where
7900 the user modifies a predefined space. */
7901 #ifdef obj_set_section_attributes
7902 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7908 /* Create a new subspace NAME, with the appropriate flags as defined
7909 by the given parameters.
7911 Add the new subspace to the subspace dictionary chain in numerical
7912 order as defined by the SORT entries. */
7914 static ssd_chain_struct
*
7915 create_new_subspace (space
, name
, loadable
, code_only
, comdat
, common
,
7916 dup_common
, is_zero
, sort
, access
, space_index
,
7917 alignment
, quadrant
, seg
)
7918 sd_chain_struct
*space
;
7920 int loadable ATTRIBUTE_UNUSED
;
7921 int code_only ATTRIBUTE_UNUSED
;
7922 int comdat
, common
, dup_common
;
7923 int is_zero ATTRIBUTE_UNUSED
;
7926 int space_index ATTRIBUTE_UNUSED
;
7927 int alignment ATTRIBUTE_UNUSED
;
7931 ssd_chain_struct
*chain_entry
;
7933 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7935 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7937 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7938 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7940 /* Initialize subspace_defined. When we hit a .subspace directive
7941 we'll set it to 1 which "locks-in" the subspace attributes. */
7942 SUBSPACE_DEFINED (chain_entry
) = 0;
7944 chain_entry
->ssd_subseg
= 0;
7945 chain_entry
->ssd_seg
= seg
;
7946 chain_entry
->ssd_next
= NULL
;
7948 /* Find spot for the new subspace based on its sort key. */
7949 if (space
->sd_subspaces
== NULL
)
7950 space
->sd_subspaces
= chain_entry
;
7953 ssd_chain_struct
*chain_pointer
;
7954 ssd_chain_struct
*prev_chain_pointer
;
7956 chain_pointer
= space
->sd_subspaces
;
7957 prev_chain_pointer
= NULL
;
7959 while (chain_pointer
)
7961 prev_chain_pointer
= chain_pointer
;
7962 chain_pointer
= chain_pointer
->ssd_next
;
7965 /* Now we have somewhere to put the new entry. Insert it and update
7967 if (prev_chain_pointer
)
7969 chain_entry
->ssd_next
= chain_pointer
;
7970 prev_chain_pointer
->ssd_next
= chain_entry
;
7974 space
->sd_subspaces
= chain_entry
;
7975 chain_entry
->ssd_next
= chain_pointer
;
7979 #ifdef obj_set_subsection_attributes
7980 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
, sort
,
7981 quadrant
, comdat
, common
, dup_common
);
7987 /* Update the information for the given subspace based upon the
7988 various arguments. Return the modified subspace chain entry. */
7990 static ssd_chain_struct
*
7991 update_subspace (space
, name
, loadable
, code_only
, comdat
, common
, dup_common
,
7992 sort
, zero
, access
, space_index
, alignment
, quadrant
, section
)
7993 sd_chain_struct
*space
;
7995 int loadable ATTRIBUTE_UNUSED
;
7996 int code_only ATTRIBUTE_UNUSED
;
8000 int zero ATTRIBUTE_UNUSED
;
8003 int space_index ATTRIBUTE_UNUSED
;
8004 int alignment ATTRIBUTE_UNUSED
;
8008 ssd_chain_struct
*chain_entry
;
8010 chain_entry
= is_defined_subspace (name
);
8012 #ifdef obj_set_subsection_attributes
8013 obj_set_subsection_attributes (section
, space
->sd_seg
, access
, sort
,
8014 quadrant
, comdat
, common
, dup_common
);
8020 /* Return the space chain entry for the space with the name NAME or
8021 NULL if no such space exists. */
8023 static sd_chain_struct
*
8024 is_defined_space (name
)
8027 sd_chain_struct
*chain_pointer
;
8029 for (chain_pointer
= space_dict_root
;
8031 chain_pointer
= chain_pointer
->sd_next
)
8033 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
8034 return chain_pointer
;
8037 /* No mapping from segment to space was found. Return NULL. */
8041 /* Find and return the space associated with the given seg. If no mapping
8042 from the given seg to a space is found, then return NULL.
8044 Unlike subspaces, the number of spaces is not expected to grow much,
8045 so a linear exhaustive search is OK here. */
8047 static sd_chain_struct
*
8048 pa_segment_to_space (seg
)
8051 sd_chain_struct
*space_chain
;
8053 /* Walk through each space looking for the correct mapping. */
8054 for (space_chain
= space_dict_root
;
8056 space_chain
= space_chain
->sd_next
)
8058 if (space_chain
->sd_seg
== seg
)
8062 /* Mapping was not found. Return NULL. */
8066 /* Return the first space chain entry for the subspace with the name
8067 NAME or NULL if no such subspace exists.
8069 When there are multiple subspaces with the same name, switching to
8070 the first (i.e., default) subspace is preferable in most situations.
8071 For example, it wouldn't be desirable to merge COMDAT data with non
8074 Uses a linear search through all the spaces and subspaces, this may
8075 not be appropriate if we ever being placing each function in its
8078 static ssd_chain_struct
*
8079 is_defined_subspace (name
)
8082 sd_chain_struct
*space_chain
;
8083 ssd_chain_struct
*subspace_chain
;
8085 /* Walk through each space. */
8086 for (space_chain
= space_dict_root
;
8088 space_chain
= space_chain
->sd_next
)
8090 /* Walk through each subspace looking for a name which matches. */
8091 for (subspace_chain
= space_chain
->sd_subspaces
;
8093 subspace_chain
= subspace_chain
->ssd_next
)
8094 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8095 return subspace_chain
;
8098 /* Subspace wasn't found. Return NULL. */
8102 /* Find and return the subspace associated with the given seg. If no
8103 mapping from the given seg to a subspace is found, then return NULL.
8105 If we ever put each procedure/function within its own subspace
8106 (to make life easier on the compiler and linker), then this will have
8107 to become more efficient. */
8109 static ssd_chain_struct
*
8110 pa_subsegment_to_subspace (seg
, subseg
)
8114 sd_chain_struct
*space_chain
;
8115 ssd_chain_struct
*subspace_chain
;
8117 /* Walk through each space. */
8118 for (space_chain
= space_dict_root
;
8120 space_chain
= space_chain
->sd_next
)
8122 if (space_chain
->sd_seg
== seg
)
8124 /* Walk through each subspace within each space looking for
8125 the correct mapping. */
8126 for (subspace_chain
= space_chain
->sd_subspaces
;
8128 subspace_chain
= subspace_chain
->ssd_next
)
8129 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8130 return subspace_chain
;
8134 /* No mapping from subsegment to subspace found. Return NULL. */
8138 /* Given a number, try and find a space with the name number.
8140 Return a pointer to a space dictionary chain entry for the space
8141 that was found or NULL on failure. */
8143 static sd_chain_struct
*
8144 pa_find_space_by_number (number
)
8147 sd_chain_struct
*space_chain
;
8149 for (space_chain
= space_dict_root
;
8151 space_chain
= space_chain
->sd_next
)
8153 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8157 /* No appropriate space found. Return NULL. */
8161 /* Return the starting address for the given subspace. If the starting
8162 address is unknown then return zero. */
8165 pa_subspace_start (space
, quadrant
)
8166 sd_chain_struct
*space
;
8169 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8170 is not correct for the PA OSF1 port. */
8171 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8173 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8181 /* Helper function for pa_stringer. Used to find the end of
8188 unsigned int c
= *s
& CHAR_MASK
;
8201 /* Handle a .STRING type pseudo-op. */
8204 pa_stringer (append_zero
)
8207 char *s
, num_buf
[4];
8211 /* Preprocess the string to handle PA-specific escape sequences.
8212 For example, \xDD where DD is a hexadecimal number should be
8213 changed to \OOO where OOO is an octal number. */
8216 /* We must have a valid space and subspace. */
8217 pa_check_current_space_and_subspace ();
8220 /* Skip the opening quote. */
8221 s
= input_line_pointer
+ 1;
8223 while (is_a_char (c
= pa_stringer_aux (s
++)))
8230 /* Handle \x<num>. */
8233 unsigned int number
;
8238 /* Get past the 'x'. */
8240 for (num_digit
= 0, number
= 0, dg
= *s
;
8242 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8243 || (dg
>= 'A' && dg
<= 'F'));
8247 number
= number
* 16 + dg
- '0';
8248 else if (dg
>= 'a' && dg
<= 'f')
8249 number
= number
* 16 + dg
- 'a' + 10;
8251 number
= number
* 16 + dg
- 'A' + 10;
8261 sprintf (num_buf
, "%02o", number
);
8264 sprintf (num_buf
, "%03o", number
);
8267 for (i
= 0; i
<= num_digit
; i
++)
8268 s_start
[i
] = num_buf
[i
];
8272 /* This might be a "\"", skip over the escaped char. */
8279 stringer (append_zero
);
8280 pa_undefine_label ();
8283 /* Handle a .VERSION pseudo-op. */
8287 int unused ATTRIBUTE_UNUSED
;
8290 pa_undefine_label ();
8295 /* Handle a .COMPILER pseudo-op. */
8298 pa_compiler (unused
)
8299 int unused ATTRIBUTE_UNUSED
;
8301 obj_som_compiler (0);
8302 pa_undefine_label ();
8307 /* Handle a .COPYRIGHT pseudo-op. */
8310 pa_copyright (unused
)
8311 int unused ATTRIBUTE_UNUSED
;
8314 pa_undefine_label ();
8317 /* Just like a normal cons, but when finished we have to undefine
8318 the latest space label. */
8325 pa_undefine_label ();
8328 /* Like float_cons, but we need to undefine our label. */
8331 pa_float_cons (float_type
)
8334 float_cons (float_type
);
8335 pa_undefine_label ();
8338 /* Like s_fill, but delete our label when finished. */
8342 int unused ATTRIBUTE_UNUSED
;
8345 /* We must have a valid space and subspace. */
8346 pa_check_current_space_and_subspace ();
8350 pa_undefine_label ();
8353 /* Like lcomm, but delete our label when finished. */
8356 pa_lcomm (needs_align
)
8360 /* We must have a valid space and subspace. */
8361 pa_check_current_space_and_subspace ();
8364 s_lcomm (needs_align
);
8365 pa_undefine_label ();
8368 /* Like lsym, but delete our label when finished. */
8372 int unused ATTRIBUTE_UNUSED
;
8375 /* We must have a valid space and subspace. */
8376 pa_check_current_space_and_subspace ();
8380 pa_undefine_label ();
8383 /* On the PA relocations which involve function symbols must not be
8384 adjusted. This so that the linker can know when/how to create argument
8385 relocation stubs for indirect calls and calls to static functions.
8387 "T" field selectors create DLT relative fixups for accessing
8388 globals and statics in PIC code; each DLT relative fixup creates
8389 an entry in the DLT table. The entries contain the address of
8390 the final target (eg accessing "foo" would create a DLT entry
8391 with the address of "foo").
8393 Unfortunately, the HP linker doesn't take into account any addend
8394 when generating the DLT; so accessing $LIT$+8 puts the address of
8395 $LIT$ into the DLT rather than the address of $LIT$+8.
8397 The end result is we can't perform relocation symbol reductions for
8398 any fixup which creates entries in the DLT (eg they use "T" field
8401 Reject reductions involving symbols with external scope; such
8402 reductions make life a living hell for object file editors.
8404 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8405 the code space. The SOM BFD backend doesn't know how to pull the
8406 right bits out of an instruction. */
8409 hppa_fix_adjustable (fixp
)
8415 struct hppa_fix_struct
*hppa_fix
;
8417 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8420 /* Reject reductions of symbols in 32bit relocs unless they
8422 if (fixp
->fx_r_type
== R_HPPA
8423 && hppa_fix
->fx_r_format
== 32
8424 && strncmp (S_GET_NAME (fixp
->fx_addsy
),
8426 strlen (FAKE_LABEL_NAME
)))
8431 /* LR/RR selectors are implicitly used for a number of different relocation
8432 types. We must ensure that none of these types are adjusted (see below)
8433 even if they occur with a different selector. */
8434 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8435 hppa_fix
->fx_r_format
,
8436 hppa_fix
->fx_r_field
);
8440 /* Relocation types which use e_lrsel. */
8441 case R_PARISC_DIR21L
:
8442 case R_PARISC_DLTREL21L
:
8443 case R_PARISC_DPREL21L
:
8444 case R_PARISC_PLTOFF21L
:
8446 /* Relocation types which use e_rrsel. */
8447 case R_PARISC_DIR14R
:
8448 case R_PARISC_DIR14DR
:
8449 case R_PARISC_DIR14WR
:
8450 case R_PARISC_DIR17R
:
8451 case R_PARISC_DLTREL14R
:
8452 case R_PARISC_DLTREL14DR
:
8453 case R_PARISC_DLTREL14WR
:
8454 case R_PARISC_DPREL14R
:
8455 case R_PARISC_DPREL14DR
:
8456 case R_PARISC_DPREL14WR
:
8457 case R_PARISC_PLTOFF14R
:
8458 case R_PARISC_PLTOFF14DR
:
8459 case R_PARISC_PLTOFF14WR
:
8461 /* Other types that we reject for reduction. */
8462 case R_PARISC_GNU_VTENTRY
:
8463 case R_PARISC_GNU_VTINHERIT
:
8470 /* Reject reductions of symbols in sym1-sym2 expressions when
8471 the fixup will occur in a CODE subspace.
8473 XXX FIXME: Long term we probably want to reject all of these;
8474 for example reducing in the debug section would lose if we ever
8475 supported using the optimizing hp linker. */
8478 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8481 /* We can't adjust any relocs that use LR% and RR% field selectors.
8483 If a symbol is reduced to a section symbol, the assembler will
8484 adjust the addend unless the symbol happens to reside right at
8485 the start of the section. Additionally, the linker has no choice
8486 but to manipulate the addends when coalescing input sections for
8487 "ld -r". Since an LR% field selector is defined to round the
8488 addend, we can't change the addend without risking that a LR% and
8489 it's corresponding (possible multiple) RR% field will no longer
8490 sum to the right value.
8493 . ldil LR%foo+0,%r21
8494 . ldw RR%foo+0(%r21),%r26
8495 . ldw RR%foo+4(%r21),%r25
8497 If foo is at address 4092 (decimal) in section `sect', then after
8498 reducing to the section symbol we get
8499 . LR%sect+4092 == (L%sect)+0
8500 . RR%sect+4092 == (R%sect)+4092
8501 . RR%sect+4096 == (R%sect)-4096
8502 and the last address loses because rounding the addend to 8k
8503 multiples takes us up to 8192 with an offset of -4096.
8505 In cases where the LR% expression is identical to the RR% one we
8506 will never have a problem, but is so happens that gcc rounds
8507 addends involved in LR% field selectors to work around a HP
8508 linker bug. ie. We often have addresses like the last case
8509 above where the LR% expression is offset from the RR% one. */
8511 if (hppa_fix
->fx_r_field
== e_lrsel
8512 || hppa_fix
->fx_r_field
== e_rrsel
8513 || hppa_fix
->fx_r_field
== e_nlrsel
)
8516 /* Reject reductions of symbols in DLT relative relocs,
8517 relocations with plabels. */
8518 if (hppa_fix
->fx_r_field
== e_tsel
8519 || hppa_fix
->fx_r_field
== e_ltsel
8520 || hppa_fix
->fx_r_field
== e_rtsel
8521 || hppa_fix
->fx_r_field
== e_psel
8522 || hppa_fix
->fx_r_field
== e_rpsel
8523 || hppa_fix
->fx_r_field
== e_lpsel
)
8526 /* Reject absolute calls (jumps). */
8527 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8530 /* Reject reductions of function symbols. */
8531 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8537 /* Return nonzero if the fixup in FIXP will require a relocation,
8538 even it if appears that the fixup could be completely handled
8542 hppa_force_relocation (fixp
)
8545 struct hppa_fix_struct
*hppa_fixp
;
8547 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8549 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8550 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8551 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8552 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8553 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8554 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8555 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8556 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8560 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8561 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8565 assert (fixp
->fx_addsy
!= NULL
);
8567 /* Ensure we emit a relocation for global symbols so that dynamic
8569 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8572 /* It is necessary to force PC-relative calls/jumps to have a relocation
8573 entry if they're going to need either an argument relocation or long
8576 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8577 hppa_fixp
->fx_arg_reloc
))
8580 /* Now check to see if we're going to need a long-branch stub. */
8581 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8583 long pc
= md_pcrel_from (fixp
);
8584 valueT distance
, min_stub_distance
;
8586 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8588 /* Distance to the closest possible stub. This will detect most
8589 but not all circumstances where a stub will not work. */
8590 min_stub_distance
= pc
+ 16;
8592 if (last_call_info
!= NULL
)
8593 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8596 if ((distance
+ 8388608 >= 16777216
8597 && min_stub_distance
<= 8388608)
8598 || (hppa_fixp
->fx_r_format
== 17
8599 && distance
+ 262144 >= 524288
8600 && min_stub_distance
<= 262144)
8601 || (hppa_fixp
->fx_r_format
== 12
8602 && distance
+ 8192 >= 16384
8603 && min_stub_distance
<= 8192)
8608 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8611 /* No need (yet) to force another relocations to be emitted. */
8615 /* Now for some ELF specific code. FIXME. */
8617 /* Mark the end of a function so that it's possible to compute
8618 the size of the function in elf_hppa_final_processing. */
8621 hppa_elf_mark_end_of_function ()
8623 /* ELF does not have EXIT relocations. All we do is create a
8624 temporary symbol marking the end of the function. */
8627 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8629 /* We have already warned about a missing label,
8630 or other problems. */
8634 name
= (char *) xmalloc (strlen ("L$\001end_")
8635 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8641 strcpy (name
, "L$\001end_");
8642 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8644 /* If we have a .exit followed by a .procend, then the
8645 symbol will have already been defined. */
8646 symbolP
= symbol_find (name
);
8649 /* The symbol has already been defined! This can
8650 happen if we have a .exit followed by a .procend.
8652 This is *not* an error. All we want to do is free
8653 the memory we just allocated for the name and continue. */
8658 /* symbol value should be the offset of the
8659 last instruction of the function */
8660 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8664 S_CLEAR_EXTERNAL (symbolP
);
8665 symbol_table_insert (symbolP
);
8669 last_call_info
->end_symbol
= symbolP
;
8671 as_bad (_("Symbol '%s' could not be created."), name
);
8675 as_bad (_("No memory for symbol name."));
8679 /* For ELF, this function serves one purpose: to setup the st_size
8680 field of STT_FUNC symbols. To do this, we need to scan the
8681 call_info structure list, determining st_size in by taking the
8682 difference in the address of the beginning/end marker symbols. */
8685 elf_hppa_final_processing ()
8687 struct call_info
*call_info_pointer
;
8689 for (call_info_pointer
= call_info_root
;
8691 call_info_pointer
= call_info_pointer
->ci_next
)
8693 elf_symbol_type
*esym
8694 = ((elf_symbol_type
*)
8695 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8696 esym
->internal_elf_sym
.st_size
=
8697 S_GET_VALUE (call_info_pointer
->end_symbol
)
8698 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8703 pa_vtable_entry (ignore
)
8704 int ignore ATTRIBUTE_UNUSED
;
8706 struct fix
*new_fix
;
8708 new_fix
= obj_elf_vtable_entry (0);
8712 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8713 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8714 hppa_fix
->fx_r_type
= R_HPPA
;
8715 hppa_fix
->fx_r_field
= e_fsel
;
8716 hppa_fix
->fx_r_format
= 32;
8717 hppa_fix
->fx_arg_reloc
= 0;
8718 hppa_fix
->segment
= now_seg
;
8719 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8720 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8725 pa_vtable_inherit (ignore
)
8726 int ignore ATTRIBUTE_UNUSED
;
8728 struct fix
*new_fix
;
8730 new_fix
= obj_elf_vtable_inherit (0);
8734 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8735 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8736 hppa_fix
->fx_r_type
= R_HPPA
;
8737 hppa_fix
->fx_r_field
= e_fsel
;
8738 hppa_fix
->fx_r_format
= 32;
8739 hppa_fix
->fx_arg_reloc
= 0;
8740 hppa_fix
->segment
= now_seg
;
8741 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8742 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;