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 dwarf2_emit_label (symbol
);
1296 /* Removes a label definition for the current space.
1297 If there is no label_symbol_struct entry, then no action is taken. */
1300 pa_undefine_label ()
1302 label_symbol_struct
*label_chain
;
1303 label_symbol_struct
*prev_label_chain
= NULL
;
1305 for (label_chain
= label_symbols_rootp
;
1307 label_chain
= label_chain
->lss_next
)
1311 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1314 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1318 /* Remove the label from the chain and free its memory. */
1319 if (prev_label_chain
)
1320 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1322 label_symbols_rootp
= label_chain
->lss_next
;
1327 prev_label_chain
= label_chain
;
1331 /* An HPPA-specific version of fix_new. This is required because the HPPA
1332 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1333 results in the creation of an instance of an hppa_fix_struct. An
1334 hppa_fix_struct stores the extra information along with a pointer to the
1335 original fixS. This is attached to the original fixup via the
1336 tc_fix_data field. */
1339 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1340 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1344 symbolS
*add_symbol
;
1348 bfd_reloc_code_real_type r_type
;
1349 enum hppa_reloc_field_selector_type_alt r_field
;
1351 unsigned int arg_reloc
;
1352 int unwind_bits ATTRIBUTE_UNUSED
;
1356 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1357 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1360 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1362 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1363 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1364 hppa_fix
->fx_r_type
= r_type
;
1365 hppa_fix
->fx_r_field
= r_field
;
1366 hppa_fix
->fx_r_format
= r_format
;
1367 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1368 hppa_fix
->segment
= now_seg
;
1370 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1371 new_fix
->fx_offset
= unwind_bits
;
1374 /* foo-$global$ is used to access non-automatic storage. $global$
1375 is really just a marker and has served its purpose, so eliminate
1376 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1377 if (new_fix
->fx_subsy
1378 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1379 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0))
1380 new_fix
->fx_subsy
= NULL
;
1383 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1384 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1387 parse_cons_expression_hppa (exp
)
1390 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1394 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1395 hppa_field_selector is set by the parse_cons_expression_hppa. */
1398 cons_fix_new_hppa (frag
, where
, size
, exp
)
1404 unsigned int rel_type
;
1406 /* Get a base relocation type. */
1407 if (is_DP_relative (*exp
))
1408 rel_type
= R_HPPA_GOTOFF
;
1409 else if (is_PC_relative (*exp
))
1410 rel_type
= R_HPPA_PCREL_CALL
;
1411 else if (is_complex (*exp
))
1412 rel_type
= R_HPPA_COMPLEX
;
1416 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1418 as_warn (_("Invalid field selector. Assuming F%%."));
1419 hppa_field_selector
= e_fsel
;
1422 fix_new_hppa (frag
, where
, size
,
1423 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1424 hppa_field_selector
, size
* 8, 0, 0);
1426 /* Reset field selector to its default state. */
1427 hppa_field_selector
= 0;
1430 /* This function is called once, at assembler startup time. It should
1431 set up all the tables, etc. that the MD part of the assembler will need. */
1436 const char *retval
= NULL
;
1440 last_call_info
= NULL
;
1441 call_info_root
= NULL
;
1443 /* Set the default machine type. */
1444 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
1445 as_warn (_("could not set architecture and machine"));
1447 /* Folding of text and data segments fails miserably on the PA.
1448 Warn user and disable "-R" option. */
1449 if (flag_readonly_data_in_text
)
1451 as_warn (_("-R option not supported on this target."));
1452 flag_readonly_data_in_text
= 0;
1459 op_hash
= hash_new ();
1461 while (i
< NUMOPCODES
)
1463 const char *name
= pa_opcodes
[i
].name
;
1464 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1465 if (retval
!= NULL
&& *retval
!= '\0')
1467 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1472 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1473 != pa_opcodes
[i
].match
)
1475 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1476 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1481 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1485 as_fatal (_("Broken assembler. No assembly attempted."));
1488 /* SOM will change text_section. To make sure we never put
1489 anything into the old one switch to the new one now. */
1490 subseg_set (text_section
, 0);
1494 dummy_symbol
= symbol_find_or_make ("L$dummy");
1495 S_SET_SEGMENT (dummy_symbol
, text_section
);
1496 /* Force the symbol to be converted to a real symbol. */
1497 (void) symbol_get_bfdsym (dummy_symbol
);
1501 /* Assemble a single instruction storing it into a frag. */
1508 /* The had better be something to assemble. */
1511 /* If we are within a procedure definition, make sure we've
1512 defined a label for the procedure; handle case where the
1513 label was defined after the .PROC directive.
1515 Note there's not need to diddle with the segment or fragment
1516 for the label symbol in this case. We have already switched
1517 into the new $CODE$ subspace at this point. */
1518 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1520 label_symbol_struct
*label_symbol
= pa_get_label ();
1524 if (label_symbol
->lss_label
)
1526 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1527 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1530 /* Also handle allocation of a fixup to hold the unwind
1531 information when the label appears after the proc/procend. */
1532 if (within_entry_exit
)
1537 where
= frag_more (0);
1538 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
1539 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1540 NULL
, (offsetT
) 0, NULL
,
1541 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
1546 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1549 as_bad (_("Missing function name for .PROC"));
1552 /* Assemble the instruction. Results are saved into "the_insn". */
1555 /* Get somewhere to put the assembled instruction. */
1558 /* Output the opcode. */
1559 md_number_to_chars (to
, the_insn
.opcode
, 4);
1561 /* If necessary output more stuff. */
1562 if (the_insn
.reloc
!= R_HPPA_NONE
)
1563 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1564 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1565 the_insn
.reloc
, the_insn
.field_selector
,
1566 the_insn
.format
, the_insn
.arg_reloc
, 0);
1569 dwarf2_emit_insn (4);
1573 /* Do the real work for assembling a single instruction. Store results
1574 into the global "the_insn" variable. */
1580 char *error_message
= "";
1581 char *s
, c
, *argstart
, *name
, *save_s
;
1584 int need_promotion
= FALSE
;
1586 int cmpltr
, nullif
, flag
, cond
, num
;
1587 unsigned long opcode
;
1588 struct pa_opcode
*insn
;
1589 struct pa_opcode
*promoted_insn
= NULL
;
1592 /* We must have a valid space and subspace. */
1593 pa_check_current_space_and_subspace ();
1596 /* Convert everything up to the first whitespace character into lower
1598 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1601 /* Skip to something interesting. */
1603 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
1623 as_fatal (_("Unknown opcode: `%s'"), str
);
1626 /* Look up the opcode in the has table. */
1627 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1629 as_bad ("Unknown opcode: `%s'", str
);
1638 /* Mark the location where arguments for the instruction start, then
1639 start processing them. */
1643 /* Do some initialization. */
1644 opcode
= insn
->match
;
1645 strict
= (insn
->flags
& FLAG_STRICT
);
1646 memset (&the_insn
, 0, sizeof (the_insn
));
1648 the_insn
.reloc
= R_HPPA_NONE
;
1650 if (insn
->arch
>= 20
1651 && bfd_get_mach (stdoutput
) < insn
->arch
)
1654 /* Build the opcode, checking as we go to make
1655 sure that the operands match. */
1656 for (args
= insn
->args
;; ++args
)
1658 /* Absorb white space in instruction. */
1659 while (*s
== ' ' || *s
== '\t')
1665 /* End of arguments. */
1681 /* These must match exactly. */
1690 /* Handle a 5 bit register or control register field at 10. */
1693 if (!pa_parse_number (&s
, 0))
1696 CHECK_FIELD (num
, 31, 0, 0);
1697 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1699 /* Handle %sar or %cr11. No bits get set, we just verify that it
1702 /* Skip whitespace before register. */
1703 while (*s
== ' ' || *s
== '\t')
1706 if (!strncasecmp (s
, "%sar", 4))
1711 else if (!strncasecmp (s
, "%cr11", 5))
1718 /* Handle a 5 bit register field at 15. */
1720 if (!pa_parse_number (&s
, 0))
1723 CHECK_FIELD (num
, 31, 0, 0);
1724 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1726 /* Handle a 5 bit register field at 31. */
1728 if (!pa_parse_number (&s
, 0))
1731 CHECK_FIELD (num
, 31, 0, 0);
1732 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1734 /* Handle a 5 bit register field at 10 and 15. */
1736 if (!pa_parse_number (&s
, 0))
1739 CHECK_FIELD (num
, 31, 0, 0);
1740 opcode
|= num
<< 16;
1741 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1743 /* Handle a 5 bit field length at 31. */
1745 num
= pa_get_absolute_expression (&the_insn
, &s
);
1746 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1749 CHECK_FIELD (num
, 32, 1, 0);
1750 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1752 /* Handle a 5 bit immediate at 15. */
1754 num
= pa_get_absolute_expression (&the_insn
, &s
);
1755 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1758 /* When in strict mode, we want to just reject this
1759 match instead of giving an out of range error. */
1760 CHECK_FIELD (num
, 15, -16, strict
);
1761 num
= low_sign_unext (num
, 5);
1762 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1764 /* Handle a 5 bit immediate at 31. */
1766 num
= pa_get_absolute_expression (&the_insn
, &s
);
1767 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1770 /* When in strict mode, we want to just reject this
1771 match instead of giving an out of range error. */
1772 CHECK_FIELD (num
, 15, -16, strict
);
1773 num
= low_sign_unext (num
, 5);
1774 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1776 /* Handle an unsigned 5 bit immediate at 31. */
1778 num
= pa_get_absolute_expression (&the_insn
, &s
);
1779 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1782 CHECK_FIELD (num
, 31, 0, strict
);
1783 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1785 /* Handle an unsigned 5 bit immediate at 15. */
1787 num
= pa_get_absolute_expression (&the_insn
, &s
);
1788 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1791 CHECK_FIELD (num
, 31, 0, strict
);
1792 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1794 /* Handle an unsigned 10 bit immediate at 15. */
1796 num
= pa_get_absolute_expression (&the_insn
, &s
);
1797 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1800 CHECK_FIELD (num
, 1023, 0, strict
);
1801 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1803 /* Handle a 2 bit space identifier at 17. */
1805 if (!pa_parse_number (&s
, 0))
1808 CHECK_FIELD (num
, 3, 0, 1);
1809 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1811 /* Handle a 3 bit space identifier at 18. */
1813 if (!pa_parse_number (&s
, 0))
1816 CHECK_FIELD (num
, 7, 0, 1);
1817 opcode
|= re_assemble_3 (num
);
1820 /* Handle all completers. */
1825 /* Handle a completer for an indexing load or store. */
1832 while (*s
== ',' && i
< 2)
1835 if (strncasecmp (s
, "sm", 2) == 0)
1842 else if (strncasecmp (s
, "m", 1) == 0)
1844 else if ((strncasecmp (s
, "s ", 2) == 0)
1845 || (strncasecmp (s
, "s,", 2) == 0))
1847 /* When in strict mode this is a match failure. */
1854 as_bad (_("Invalid Indexed Load Completer."));
1859 as_bad (_("Invalid Indexed Load Completer Syntax."));
1861 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1864 /* Handle a short load/store completer. */
1877 if (strncasecmp (s
, "ma", 2) == 0)
1883 else if (strncasecmp (s
, "mb", 2) == 0)
1890 /* When in strict mode, pass through for cache op. */
1891 if (!found
&& strict
)
1896 as_bad (_("Invalid Short Load/Store Completer."));
1900 /* If we did not get a ma/mb completer, then we do not
1901 consider this a positive match for 'ce'. */
1902 else if (*args
== 'e')
1905 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1906 encode the before/after field. */
1907 if (*args
== 'm' || *args
== 'M')
1910 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1912 else if (*args
== 'q')
1915 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1917 else if (*args
== 'J')
1919 /* M bit is explicit in the major opcode. */
1920 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1922 else if (*args
== 'e')
1924 /* Stash the ma/mb flag temporarily in the
1925 instruction. We will use (and remove it)
1926 later when handling 'J', 'K', '<' & '>'. */
1932 /* Handle a stbys completer. */
1939 while (*s
== ',' && i
< 2)
1942 if (strncasecmp (s
, "m", 1) == 0)
1944 else if ((strncasecmp (s
, "b ", 2) == 0)
1945 || (strncasecmp (s
, "b,", 2) == 0))
1947 else if (strncasecmp (s
, "e", 1) == 0)
1949 /* When in strict mode this is a match failure. */
1956 as_bad (_("Invalid Store Bytes Short Completer"));
1961 as_bad (_("Invalid Store Bytes Short Completer"));
1963 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1966 /* Handle load cache hint completer. */
1969 if (!strncmp (s
, ",sl", 3))
1974 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1976 /* Handle store cache hint completer. */
1979 if (!strncmp (s
, ",sl", 3))
1984 else if (!strncmp (s
, ",bc", 3))
1989 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1991 /* Handle load and clear cache hint completer. */
1994 if (!strncmp (s
, ",co", 3))
1999 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
2001 /* Handle load ordering completer. */
2003 if (strncmp (s
, ",o", 2) != 0)
2008 /* Handle a branch gate completer. */
2010 if (strncasecmp (s
, ",gate", 5) != 0)
2015 /* Handle a branch link and push completer. */
2017 if (strncasecmp (s
, ",l,push", 7) != 0)
2022 /* Handle a branch link completer. */
2024 if (strncasecmp (s
, ",l", 2) != 0)
2029 /* Handle a branch pop completer. */
2031 if (strncasecmp (s
, ",pop", 4) != 0)
2036 /* Handle a local processor completer. */
2038 if (strncasecmp (s
, ",l", 2) != 0)
2043 /* Handle a PROBE read/write completer. */
2046 if (!strncasecmp (s
, ",w", 2))
2051 else if (!strncasecmp (s
, ",r", 2))
2057 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2059 /* Handle MFCTL wide completer. */
2061 if (strncasecmp (s
, ",w", 2) != 0)
2066 /* Handle an RFI restore completer. */
2069 if (!strncasecmp (s
, ",r", 2))
2075 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2077 /* Handle a system control completer. */
2079 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2087 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2089 /* Handle intermediate/final completer for DCOR. */
2092 if (!strncasecmp (s
, ",i", 2))
2098 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2100 /* Handle zero/sign extension completer. */
2103 if (!strncasecmp (s
, ",z", 2))
2109 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2111 /* Handle add completer. */
2114 if (!strncasecmp (s
, ",l", 2))
2119 else if (!strncasecmp (s
, ",tsv", 4))
2125 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2127 /* Handle 64 bit carry for ADD. */
2130 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2131 !strncasecmp (s
, ",tsv,dc", 7))
2136 else if (!strncasecmp (s
, ",dc", 3))
2144 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2146 /* Handle 32 bit carry for ADD. */
2149 if (!strncasecmp (s
, ",c,tsv", 6) ||
2150 !strncasecmp (s
, ",tsv,c", 6))
2155 else if (!strncasecmp (s
, ",c", 2))
2163 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2165 /* Handle trap on signed overflow. */
2168 if (!strncasecmp (s
, ",tsv", 4))
2174 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2176 /* Handle trap on condition and overflow. */
2179 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2180 !strncasecmp (s
, ",tsv,tc", 7))
2185 else if (!strncasecmp (s
, ",tc", 3))
2193 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2195 /* Handle 64 bit borrow for SUB. */
2198 if (!strncasecmp (s
, ",db,tsv", 7) ||
2199 !strncasecmp (s
, ",tsv,db", 7))
2204 else if (!strncasecmp (s
, ",db", 3))
2212 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2214 /* Handle 32 bit borrow for SUB. */
2217 if (!strncasecmp (s
, ",b,tsv", 6) ||
2218 !strncasecmp (s
, ",tsv,b", 6))
2223 else if (!strncasecmp (s
, ",b", 2))
2231 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2233 /* Handle trap condition completer for UADDCM. */
2236 if (!strncasecmp (s
, ",tc", 3))
2242 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2244 /* Handle signed/unsigned at 21. */
2248 if (strncasecmp (s
, ",s", 2) == 0)
2253 else if (strncasecmp (s
, ",u", 2) == 0)
2259 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2262 /* Handle left/right combination at 17:18. */
2272 as_bad (_("Invalid left/right combination completer"));
2275 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2278 as_bad (_("Invalid left/right combination completer"));
2281 /* Handle saturation at 24:25. */
2285 if (strncasecmp (s
, ",ss", 3) == 0)
2290 else if (strncasecmp (s
, ",us", 3) == 0)
2296 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2299 /* Handle permutation completer. */
2327 as_bad (_("Invalid permutation completer"));
2329 opcode
|= perm
<< permloc
[i
];
2334 as_bad (_("Invalid permutation completer"));
2342 /* Handle all conditions. */
2348 /* Handle FP compare conditions. */
2350 cond
= pa_parse_fp_cmp_cond (&s
);
2351 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2353 /* Handle an add condition. */
2362 /* 64 bit conditions. */
2374 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2378 if (strcmp (name
, "=") == 0)
2380 else if (strcmp (name
, "<") == 0)
2382 else if (strcmp (name
, "<=") == 0)
2384 else if (strcasecmp (name
, "nuv") == 0)
2386 else if (strcasecmp (name
, "znv") == 0)
2388 else if (strcasecmp (name
, "sv") == 0)
2390 else if (strcasecmp (name
, "od") == 0)
2392 else if (strcasecmp (name
, "tr") == 0)
2397 else if (strcmp (name
, "<>") == 0)
2402 else if (strcmp (name
, ">=") == 0)
2407 else if (strcmp (name
, ">") == 0)
2412 else if (strcasecmp (name
, "uv") == 0)
2417 else if (strcasecmp (name
, "vnz") == 0)
2422 else if (strcasecmp (name
, "nsv") == 0)
2427 else if (strcasecmp (name
, "ev") == 0)
2432 /* ",*" is a valid condition. */
2433 else if (*args
== 'a' || *name
)
2434 as_bad (_("Invalid Add Condition: %s"), name
);
2437 opcode
|= cmpltr
<< 13;
2438 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2440 /* Handle non-negated add and branch condition. */
2442 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2445 as_bad (_("Invalid Add and Branch Condition"));
2448 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2450 /* Handle 64 bit wide-mode add and branch condition. */
2452 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2455 as_bad (_("Invalid Add and Branch Condition"));
2460 /* Negated condition requires an opcode change. */
2461 opcode
|= (cmpltr
& 8) << 24;
2463 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2465 /* Handle a negated or non-negated add and branch
2469 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2473 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2476 as_bad (_("Invalid Compare/Subtract Condition"));
2481 /* Negated condition requires an opcode change. */
2485 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2487 /* Handle branch on bit conditions. */
2505 if (strncmp (s
, "<", 1) == 0)
2510 else if (strncmp (s
, ">=", 2) == 0)
2516 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2518 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2520 /* Handle a compare/subtract condition. */
2529 /* 64 bit conditions. */
2541 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2545 if (strcmp (name
, "=") == 0)
2547 else if (strcmp (name
, "<") == 0)
2549 else if (strcmp (name
, "<=") == 0)
2551 else if (strcasecmp (name
, "<<") == 0)
2553 else if (strcasecmp (name
, "<<=") == 0)
2555 else if (strcasecmp (name
, "sv") == 0)
2557 else if (strcasecmp (name
, "od") == 0)
2559 else if (strcasecmp (name
, "tr") == 0)
2564 else if (strcmp (name
, "<>") == 0)
2569 else if (strcmp (name
, ">=") == 0)
2574 else if (strcmp (name
, ">") == 0)
2579 else if (strcasecmp (name
, ">>=") == 0)
2584 else if (strcasecmp (name
, ">>") == 0)
2589 else if (strcasecmp (name
, "nsv") == 0)
2594 else if (strcasecmp (name
, "ev") == 0)
2599 /* ",*" is a valid condition. */
2600 else if (*args
!= 'S' || *name
)
2601 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2605 opcode
|= cmpltr
<< 13;
2606 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2608 /* Handle a non-negated compare condition. */
2610 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2613 as_bad (_("Invalid Compare/Subtract Condition"));
2616 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2618 /* Handle a 32 bit compare and branch condition. */
2621 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2625 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2628 as_bad (_("Invalid Compare and Branch Condition"));
2633 /* Negated condition requires an opcode change. */
2638 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2640 /* Handle a 64 bit compare and branch condition. */
2642 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2645 /* Negated condition requires an opcode change. */
2646 opcode
|= (cmpltr
& 8) << 26;
2649 /* Not a 64 bit cond. Give 32 bit a chance. */
2652 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2654 /* Handle a 64 bit cmpib condition. */
2656 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2658 /* Not a 64 bit cond. Give 32 bit a chance. */
2661 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2663 /* Handle a logical instruction condition. */
2672 /* 64 bit conditions. */
2684 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2689 if (strcmp (name
, "=") == 0)
2691 else if (strcmp (name
, "<") == 0)
2693 else if (strcmp (name
, "<=") == 0)
2695 else if (strcasecmp (name
, "od") == 0)
2697 else if (strcasecmp (name
, "tr") == 0)
2702 else if (strcmp (name
, "<>") == 0)
2707 else if (strcmp (name
, ">=") == 0)
2712 else if (strcmp (name
, ">") == 0)
2717 else if (strcasecmp (name
, "ev") == 0)
2722 /* ",*" is a valid condition. */
2723 else if (*args
!= 'L' || *name
)
2724 as_bad (_("Invalid Logical Instruction Condition."));
2727 opcode
|= cmpltr
<< 13;
2728 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2730 /* Handle a shift/extract/deposit condition. */
2739 /* 64 bit conditions. */
2751 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2755 if (strcmp (name
, "=") == 0)
2757 else if (strcmp (name
, "<") == 0)
2759 else if (strcasecmp (name
, "od") == 0)
2761 else if (strcasecmp (name
, "tr") == 0)
2763 else if (strcmp (name
, "<>") == 0)
2765 else if (strcmp (name
, ">=") == 0)
2767 else if (strcasecmp (name
, "ev") == 0)
2769 /* Handle movb,n. Put things back the way they were.
2770 This includes moving s back to where it started. */
2771 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2777 /* ",*" is a valid condition. */
2778 else if (*args
!= 'X' || *name
)
2779 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2782 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2784 /* Handle a unit instruction condition. */
2793 /* 64 bit conditions. */
2804 if (strncasecmp (s
, "sbz", 3) == 0)
2809 else if (strncasecmp (s
, "shz", 3) == 0)
2814 else if (strncasecmp (s
, "sdc", 3) == 0)
2819 else if (strncasecmp (s
, "sbc", 3) == 0)
2824 else if (strncasecmp (s
, "shc", 3) == 0)
2829 else if (strncasecmp (s
, "tr", 2) == 0)
2835 else if (strncasecmp (s
, "nbz", 3) == 0)
2841 else if (strncasecmp (s
, "nhz", 3) == 0)
2847 else if (strncasecmp (s
, "ndc", 3) == 0)
2853 else if (strncasecmp (s
, "nbc", 3) == 0)
2859 else if (strncasecmp (s
, "nhc", 3) == 0)
2865 else if (strncasecmp (s
, "swz", 3) == 0)
2871 else if (strncasecmp (s
, "swc", 3) == 0)
2877 else if (strncasecmp (s
, "nwz", 3) == 0)
2883 else if (strncasecmp (s
, "nwc", 3) == 0)
2889 /* ",*" is a valid condition. */
2890 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
2891 as_bad (_("Invalid Unit Instruction Condition."));
2893 opcode
|= cmpltr
<< 13;
2894 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2902 /* Handle a nullification completer for branch instructions. */
2904 nullif
= pa_parse_nullif (&s
);
2905 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2907 /* Handle a nullification completer for copr and spop insns. */
2909 nullif
= pa_parse_nullif (&s
);
2910 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2912 /* Handle ,%r2 completer for new syntax branches. */
2914 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2916 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2922 /* Handle 3 bit entry into the fp compare array. Valid values
2923 are 0..6 inclusive. */
2927 if (the_insn
.exp
.X_op
== O_constant
)
2929 num
= evaluate_absolute (&the_insn
);
2930 CHECK_FIELD (num
, 6, 0, 0);
2932 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2937 /* Handle 3 bit entry into the fp compare array. Valid values
2938 are 0..6 inclusive. */
2941 if (the_insn
.exp
.X_op
== O_constant
)
2944 num
= evaluate_absolute (&the_insn
);
2945 CHECK_FIELD (num
, 6, 0, 0);
2946 num
= (num
+ 1) ^ 1;
2947 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2952 /* Handle graphics test completers for ftest */
2955 num
= pa_parse_ftest_gfx_completer (&s
);
2956 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2959 /* Handle a 11 bit immediate at 31. */
2961 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2964 if (the_insn
.exp
.X_op
== O_constant
)
2966 num
= evaluate_absolute (&the_insn
);
2967 CHECK_FIELD (num
, 1023, -1024, 0);
2968 num
= low_sign_unext (num
, 11);
2969 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2973 if (is_DP_relative (the_insn
.exp
))
2974 the_insn
.reloc
= R_HPPA_GOTOFF
;
2975 else if (is_PC_relative (the_insn
.exp
))
2976 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2978 the_insn
.reloc
= R_HPPA
;
2979 the_insn
.format
= 11;
2983 /* Handle a 14 bit immediate at 31. */
2985 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2988 if (the_insn
.exp
.X_op
== O_constant
)
2992 /* XXX the completer stored away tidbits of information
2993 for us to extract. We need a cleaner way to do this.
2994 Now that we have lots of letters again, it would be
2995 good to rethink this. */
2998 num
= evaluate_absolute (&the_insn
);
2999 if (mb
!= (num
< 0))
3001 CHECK_FIELD (num
, 8191, -8192, 0);
3002 num
= low_sign_unext (num
, 14);
3003 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3007 /* Handle a 14 bit immediate at 31. */
3009 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3012 if (the_insn
.exp
.X_op
== O_constant
)
3018 num
= evaluate_absolute (&the_insn
);
3019 if (mb
== (num
< 0))
3023 CHECK_FIELD (num
, 8191, -8192, 0);
3024 num
= low_sign_unext (num
, 14);
3025 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3029 /* Handle a 16 bit immediate at 31. */
3031 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3034 if (the_insn
.exp
.X_op
== O_constant
)
3040 num
= evaluate_absolute (&the_insn
);
3041 if (mb
!= (num
< 0))
3043 CHECK_FIELD (num
, 32767, -32768, 0);
3044 num
= re_assemble_16 (num
);
3045 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3049 /* Handle a 16 bit immediate at 31. */
3051 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3054 if (the_insn
.exp
.X_op
== O_constant
)
3060 num
= evaluate_absolute (&the_insn
);
3061 if (mb
== (num
< 0))
3065 CHECK_FIELD (num
, 32767, -32768, 0);
3066 num
= re_assemble_16 (num
);
3067 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3071 /* Handle 14 bit immediate, shifted left three times. */
3073 if (bfd_get_mach (stdoutput
) != pa20
)
3075 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3078 if (the_insn
.exp
.X_op
== O_constant
)
3080 num
= evaluate_absolute (&the_insn
);
3083 CHECK_FIELD (num
, 8191, -8192, 0);
3088 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3092 if (is_DP_relative (the_insn
.exp
))
3093 the_insn
.reloc
= R_HPPA_GOTOFF
;
3094 else if (is_PC_relative (the_insn
.exp
))
3095 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3097 the_insn
.reloc
= R_HPPA
;
3098 the_insn
.format
= 14;
3103 /* Handle 14 bit immediate, shifted left twice. */
3105 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3108 if (the_insn
.exp
.X_op
== O_constant
)
3110 num
= evaluate_absolute (&the_insn
);
3113 CHECK_FIELD (num
, 8191, -8192, 0);
3118 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3122 if (is_DP_relative (the_insn
.exp
))
3123 the_insn
.reloc
= R_HPPA_GOTOFF
;
3124 else if (is_PC_relative (the_insn
.exp
))
3125 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3127 the_insn
.reloc
= R_HPPA
;
3128 the_insn
.format
= 14;
3132 /* Handle a 14 bit immediate at 31. */
3134 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3137 if (the_insn
.exp
.X_op
== O_constant
)
3139 num
= evaluate_absolute (&the_insn
);
3140 CHECK_FIELD (num
, 8191, -8192, 0);
3141 num
= low_sign_unext (num
, 14);
3142 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3146 if (is_DP_relative (the_insn
.exp
))
3147 the_insn
.reloc
= R_HPPA_GOTOFF
;
3148 else if (is_PC_relative (the_insn
.exp
))
3149 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3151 the_insn
.reloc
= R_HPPA
;
3152 the_insn
.format
= 14;
3156 /* Handle a 21 bit immediate at 31. */
3158 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3161 if (the_insn
.exp
.X_op
== O_constant
)
3163 num
= evaluate_absolute (&the_insn
);
3164 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3165 opcode
|= re_assemble_21 (num
);
3170 if (is_DP_relative (the_insn
.exp
))
3171 the_insn
.reloc
= R_HPPA_GOTOFF
;
3172 else if (is_PC_relative (the_insn
.exp
))
3173 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3175 the_insn
.reloc
= R_HPPA
;
3176 the_insn
.format
= 21;
3180 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3182 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3185 if (the_insn
.exp
.X_op
== O_constant
)
3187 num
= evaluate_absolute (&the_insn
);
3188 CHECK_FIELD (num
, 32767, -32768, 0);
3189 opcode
|= re_assemble_16 (num
);
3194 /* ??? Is this valid for wide mode? */
3195 if (is_DP_relative (the_insn
.exp
))
3196 the_insn
.reloc
= R_HPPA_GOTOFF
;
3197 else if (is_PC_relative (the_insn
.exp
))
3198 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3200 the_insn
.reloc
= R_HPPA
;
3201 the_insn
.format
= 14;
3205 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3207 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3210 if (the_insn
.exp
.X_op
== O_constant
)
3212 num
= evaluate_absolute (&the_insn
);
3213 CHECK_FIELD (num
, 32767, -32768, 0);
3214 CHECK_ALIGN (num
, 4, 0);
3215 opcode
|= re_assemble_16 (num
);
3220 /* ??? Is this valid for wide mode? */
3221 if (is_DP_relative (the_insn
.exp
))
3222 the_insn
.reloc
= R_HPPA_GOTOFF
;
3223 else if (is_PC_relative (the_insn
.exp
))
3224 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3226 the_insn
.reloc
= R_HPPA
;
3227 the_insn
.format
= 14;
3231 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3233 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3236 if (the_insn
.exp
.X_op
== O_constant
)
3238 num
= evaluate_absolute (&the_insn
);
3239 CHECK_FIELD (num
, 32767, -32768, 0);
3240 CHECK_ALIGN (num
, 8, 0);
3241 opcode
|= re_assemble_16 (num
);
3246 /* ??? Is this valid for wide mode? */
3247 if (is_DP_relative (the_insn
.exp
))
3248 the_insn
.reloc
= R_HPPA_GOTOFF
;
3249 else if (is_PC_relative (the_insn
.exp
))
3250 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3252 the_insn
.reloc
= R_HPPA
;
3253 the_insn
.format
= 14;
3257 /* Handle a 12 bit branch displacement. */
3259 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3263 if (!the_insn
.exp
.X_add_symbol
3264 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3267 num
= evaluate_absolute (&the_insn
);
3270 as_bad (_("Branch to unaligned address"));
3273 if (the_insn
.exp
.X_add_symbol
)
3275 CHECK_FIELD (num
, 8191, -8192, 0);
3276 opcode
|= re_assemble_12 (num
>> 2);
3281 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3282 the_insn
.format
= 12;
3283 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3284 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3289 /* Handle a 17 bit branch displacement. */
3291 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3295 if (!the_insn
.exp
.X_add_symbol
3296 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3299 num
= evaluate_absolute (&the_insn
);
3302 as_bad (_("Branch to unaligned address"));
3305 if (the_insn
.exp
.X_add_symbol
)
3307 CHECK_FIELD (num
, 262143, -262144, 0);
3308 opcode
|= re_assemble_17 (num
>> 2);
3313 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3314 the_insn
.format
= 17;
3315 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3316 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3320 /* Handle a 22 bit branch displacement. */
3322 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3326 if (!the_insn
.exp
.X_add_symbol
3327 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3330 num
= evaluate_absolute (&the_insn
);
3333 as_bad (_("Branch to unaligned address"));
3336 if (the_insn
.exp
.X_add_symbol
)
3338 CHECK_FIELD (num
, 8388607, -8388608, 0);
3339 opcode
|= re_assemble_22 (num
>> 2);
3343 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3344 the_insn
.format
= 22;
3345 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3346 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3350 /* Handle an absolute 17 bit branch target. */
3352 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3356 if (!the_insn
.exp
.X_add_symbol
3357 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3360 num
= evaluate_absolute (&the_insn
);
3363 as_bad (_("Branch to unaligned address"));
3366 if (the_insn
.exp
.X_add_symbol
)
3368 CHECK_FIELD (num
, 262143, -262144, 0);
3369 opcode
|= re_assemble_17 (num
>> 2);
3374 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3375 the_insn
.format
= 17;
3376 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3377 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3381 /* Handle '%r1' implicit operand of addil instruction. */
3383 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3384 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3392 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3394 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3399 /* Handle immediate value of 0 for ordered load/store instructions. */
3406 /* Handle a 2 bit shift count at 25. */
3408 num
= pa_get_absolute_expression (&the_insn
, &s
);
3409 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3412 CHECK_FIELD (num
, 3, 1, strict
);
3413 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3415 /* Handle a 4 bit shift count at 25. */
3417 num
= pa_get_absolute_expression (&the_insn
, &s
);
3418 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3421 CHECK_FIELD (num
, 15, 0, strict
);
3422 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3424 /* Handle a 5 bit shift count at 26. */
3426 num
= pa_get_absolute_expression (&the_insn
, &s
);
3427 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3430 CHECK_FIELD (num
, 31, 0, strict
);
3431 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3433 /* Handle a 6 bit shift count at 20,22:26. */
3435 num
= pa_get_absolute_expression (&the_insn
, &s
);
3436 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3439 CHECK_FIELD (num
, 63, 0, strict
);
3441 opcode
|= (num
& 0x20) << 6;
3442 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3444 /* Handle a 6 bit field length at 23,27:31. */
3447 num
= pa_get_absolute_expression (&the_insn
, &s
);
3448 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3451 CHECK_FIELD (num
, 64, 1, strict
);
3453 opcode
|= (num
& 0x20) << 3;
3454 num
= 31 - (num
& 0x1f);
3455 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3457 /* Handle a 6 bit field length at 19,27:31. */
3459 num
= pa_get_absolute_expression (&the_insn
, &s
);
3460 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3463 CHECK_FIELD (num
, 64, 1, strict
);
3465 opcode
|= (num
& 0x20) << 7;
3466 num
= 31 - (num
& 0x1f);
3467 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3469 /* Handle a 5 bit bit position at 26. */
3471 num
= pa_get_absolute_expression (&the_insn
, &s
);
3472 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3475 CHECK_FIELD (num
, 31, 0, strict
);
3476 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3478 /* Handle a 6 bit bit position at 20,22:26. */
3480 num
= pa_get_absolute_expression (&the_insn
, &s
);
3481 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3484 CHECK_FIELD (num
, 63, 0, strict
);
3485 opcode
|= (num
& 0x20) << 6;
3486 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3488 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3489 of the high bit of the immediate. */
3491 num
= pa_get_absolute_expression (&the_insn
, &s
);
3492 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3495 CHECK_FIELD (num
, 63, 0, strict
);
3499 opcode
|= (1 << 13);
3500 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3502 /* Handle a 5 bit immediate at 10. */
3504 num
= pa_get_absolute_expression (&the_insn
, &s
);
3505 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3508 CHECK_FIELD (num
, 31, 0, strict
);
3509 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3511 /* Handle a 9 bit immediate at 28. */
3513 num
= pa_get_absolute_expression (&the_insn
, &s
);
3514 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3517 CHECK_FIELD (num
, 511, 1, strict
);
3518 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3520 /* Handle a 13 bit immediate at 18. */
3522 num
= pa_get_absolute_expression (&the_insn
, &s
);
3523 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3526 CHECK_FIELD (num
, 8191, 0, strict
);
3527 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3529 /* Handle a 26 bit immediate at 31. */
3531 num
= pa_get_absolute_expression (&the_insn
, &s
);
3532 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3535 CHECK_FIELD (num
, 67108863, 0, strict
);
3536 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3538 /* Handle a 3 bit SFU identifier at 25. */
3541 as_bad (_("Invalid SFU identifier"));
3542 num
= pa_get_absolute_expression (&the_insn
, &s
);
3543 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3546 CHECK_FIELD (num
, 7, 0, strict
);
3547 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3549 /* Handle a 20 bit SOP field for spop0. */
3551 num
= pa_get_absolute_expression (&the_insn
, &s
);
3552 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3555 CHECK_FIELD (num
, 1048575, 0, strict
);
3556 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3557 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3559 /* Handle a 15bit SOP field for spop1. */
3561 num
= pa_get_absolute_expression (&the_insn
, &s
);
3562 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3565 CHECK_FIELD (num
, 32767, 0, strict
);
3566 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3568 /* Handle a 10bit SOP field for spop3. */
3570 num
= pa_get_absolute_expression (&the_insn
, &s
);
3571 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3574 CHECK_FIELD (num
, 1023, 0, strict
);
3575 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3576 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3578 /* Handle a 15 bit SOP field for spop2. */
3580 num
= pa_get_absolute_expression (&the_insn
, &s
);
3581 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3584 CHECK_FIELD (num
, 32767, 0, strict
);
3585 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3586 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3588 /* Handle a 3-bit co-processor ID field. */
3591 as_bad (_("Invalid COPR identifier"));
3592 num
= pa_get_absolute_expression (&the_insn
, &s
);
3593 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3596 CHECK_FIELD (num
, 7, 0, strict
);
3597 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3599 /* Handle a 22bit SOP field for copr. */
3601 num
= pa_get_absolute_expression (&the_insn
, &s
);
3602 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3605 CHECK_FIELD (num
, 4194303, 0, strict
);
3606 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3607 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3609 /* Handle a source FP operand format completer. */
3611 if (*s
== ',' && *(s
+1) == 't')
3618 flag
= pa_parse_fp_cnv_format (&s
);
3619 the_insn
.fpof1
= flag
;
3620 if (flag
== W
|| flag
== UW
)
3622 if (flag
== DW
|| flag
== UDW
)
3624 if (flag
== QW
|| flag
== UQW
)
3626 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3628 /* Handle a destination FP operand format completer. */
3630 /* pa_parse_format needs the ',' prefix. */
3632 flag
= pa_parse_fp_cnv_format (&s
);
3633 the_insn
.fpof2
= flag
;
3634 if (flag
== W
|| flag
== UW
)
3636 if (flag
== DW
|| flag
== UDW
)
3638 if (flag
== QW
|| flag
== UQW
)
3640 opcode
|= flag
<< 13;
3641 if (the_insn
.fpof1
== SGL
3642 || the_insn
.fpof1
== DBL
3643 || the_insn
.fpof1
== QUAD
)
3645 if (the_insn
.fpof2
== SGL
3646 || the_insn
.fpof2
== DBL
3647 || the_insn
.fpof2
== QUAD
)
3649 else if (the_insn
.fpof2
== W
3650 || the_insn
.fpof2
== DW
3651 || the_insn
.fpof2
== QW
)
3653 else if (the_insn
.fpof2
== UW
3654 || the_insn
.fpof2
== UDW
3655 || the_insn
.fpof2
== UQW
)
3660 else if (the_insn
.fpof1
== W
3661 || the_insn
.fpof1
== DW
3662 || the_insn
.fpof1
== QW
)
3664 if (the_insn
.fpof2
== SGL
3665 || the_insn
.fpof2
== DBL
3666 || the_insn
.fpof2
== QUAD
)
3671 else if (the_insn
.fpof1
== UW
3672 || the_insn
.fpof1
== UDW
3673 || the_insn
.fpof1
== UQW
)
3675 if (the_insn
.fpof2
== SGL
3676 || the_insn
.fpof2
== DBL
3677 || the_insn
.fpof2
== QUAD
)
3682 flag
|= the_insn
.trunc
;
3683 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3685 /* Handle a source FP operand format completer. */
3687 flag
= pa_parse_fp_format (&s
);
3688 the_insn
.fpof1
= flag
;
3689 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3691 /* Handle a destination FP operand format completer. */
3693 /* pa_parse_format needs the ',' prefix. */
3695 flag
= pa_parse_fp_format (&s
);
3696 the_insn
.fpof2
= flag
;
3697 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3699 /* Handle a source FP operand format completer at 20. */
3701 flag
= pa_parse_fp_format (&s
);
3702 the_insn
.fpof1
= flag
;
3703 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3705 /* Handle a floating point operand format at 26.
3706 Only allows single and double precision. */
3708 flag
= pa_parse_fp_format (&s
);
3714 the_insn
.fpof1
= flag
;
3720 as_bad (_("Invalid Floating Point Operand Format."));
3724 /* Handle all floating point registers. */
3728 /* Float target register. */
3730 if (!pa_parse_number (&s
, 3))
3732 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3733 CHECK_FIELD (num
, 31, 0, 0);
3734 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3736 /* Float target register with L/R selection. */
3739 if (!pa_parse_number (&s
, 1))
3741 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3742 CHECK_FIELD (num
, 31, 0, 0);
3745 /* 0x30 opcodes are FP arithmetic operation opcodes
3746 and need to be turned into 0x38 opcodes. This
3747 is not necessary for loads/stores. */
3748 if (need_pa11_opcode ()
3749 && ((opcode
& 0xfc000000) == 0x30000000))
3752 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3756 /* Float operand 1. */
3759 if (!pa_parse_number (&s
, 1))
3761 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3762 CHECK_FIELD (num
, 31, 0, 0);
3763 opcode
|= num
<< 21;
3764 if (need_pa11_opcode ())
3766 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3772 /* Float operand 1 with L/R selection. */
3776 if (!pa_parse_number (&s
, 1))
3778 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3779 CHECK_FIELD (num
, 31, 0, 0);
3780 opcode
|= num
<< 21;
3781 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3785 /* Float operand 2. */
3788 if (!pa_parse_number (&s
, 1))
3790 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3791 CHECK_FIELD (num
, 31, 0, 0);
3792 opcode
|= num
<< 16;
3793 if (need_pa11_opcode ())
3795 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3801 /* Float operand 2 with L/R selection. */
3804 if (!pa_parse_number (&s
, 1))
3806 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3807 CHECK_FIELD (num
, 31, 0, 0);
3808 opcode
|= num
<< 16;
3809 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3813 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3816 if (!pa_parse_number (&s
, 1))
3818 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3819 CHECK_FIELD (num
, 31, 0, 0);
3820 opcode
|= (num
& 0x1c) << 11;
3821 opcode
|= (num
& 0x03) << 9;
3822 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3826 /* Float mult operand 1 for fmpyadd, fmpysub */
3829 if (!pa_parse_number (&s
, 1))
3831 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3832 CHECK_FIELD (num
, 31, 0, 0);
3833 if (the_insn
.fpof1
== SGL
)
3837 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3841 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3843 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3846 /* Float mult operand 2 for fmpyadd, fmpysub */
3849 if (!pa_parse_number (&s
, 1))
3851 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3852 CHECK_FIELD (num
, 31, 0, 0);
3853 if (the_insn
.fpof1
== SGL
)
3857 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3861 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3863 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3866 /* Float mult target for fmpyadd, fmpysub */
3869 if (!pa_parse_number (&s
, 1))
3871 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3872 CHECK_FIELD (num
, 31, 0, 0);
3873 if (the_insn
.fpof1
== SGL
)
3877 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3881 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3883 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3886 /* Float add operand 1 for fmpyadd, fmpysub */
3889 if (!pa_parse_number (&s
, 1))
3891 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3892 CHECK_FIELD (num
, 31, 0, 0);
3893 if (the_insn
.fpof1
== SGL
)
3897 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3901 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3903 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3906 /* Float add target for fmpyadd, fmpysub */
3909 if (!pa_parse_number (&s
, 1))
3911 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3912 CHECK_FIELD (num
, 31, 0, 0);
3913 if (the_insn
.fpof1
== SGL
)
3917 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3921 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3923 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3926 /* Handle L/R register halves like 'x'. */
3930 if (!pa_parse_number (&s
, 1))
3932 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3933 CHECK_FIELD (num
, 31, 0, 0);
3934 opcode
|= num
<< 16;
3935 if (need_pa11_opcode ())
3937 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3942 /* Float target register (PA 2.0 wide). */
3944 if (!pa_parse_number (&s
, 3))
3946 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3947 CHECK_FIELD (num
, 31, 0, 0);
3948 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3961 /* If this instruction is specific to a particular architecture,
3962 then set a new architecture. This automatic promotion crud is
3963 for compatibility with HP's old assemblers only. */
3965 && bfd_get_mach (stdoutput
) < insn
->arch
)
3969 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
3970 as_warn (_("could not update architecture and machine"));
3976 promoted_insn
= insn
;
3981 /* Check if the args matched. */
3984 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3985 && !strcmp (insn
->name
, insn
[1].name
))
3995 insn
= promoted_insn
;
3996 need_promotion
= TRUE
;
4000 as_bad (_("Invalid operands %s"), error_message
);
4007 the_insn
.opcode
= opcode
;
4010 /* Turn a string in input_line_pointer into a floating point constant of type
4011 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
4012 emitted is stored in *sizeP . An error message or NULL is returned. */
4014 #define MAX_LITTLENUMS 6
4017 md_atof (type
, litP
, sizeP
)
4023 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
4024 LITTLENUM_TYPE
*wordP
;
4056 return _("Bad call to MD_ATOF()");
4058 t
= atof_ieee (input_line_pointer
, type
, words
);
4060 input_line_pointer
= t
;
4061 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4062 for (wordP
= words
; prec
--;)
4064 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4065 litP
+= sizeof (LITTLENUM_TYPE
);
4070 /* Write out big-endian. */
4073 md_number_to_chars (buf
, val
, n
)
4078 number_to_chars_bigendian (buf
, val
, n
);
4081 /* Translate internal representation of relocation info to BFD target
4085 tc_gen_reloc (section
, fixp
)
4090 struct hppa_fix_struct
*hppa_fixp
;
4091 static arelent
*no_relocs
= NULL
;
4098 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4099 if (fixp
->fx_addsy
== 0)
4102 assert (hppa_fixp
!= 0);
4103 assert (section
!= 0);
4105 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4107 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4108 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4109 codes
= hppa_gen_reloc_type (stdoutput
,
4111 hppa_fixp
->fx_r_format
,
4112 hppa_fixp
->fx_r_field
,
4113 fixp
->fx_subsy
!= NULL
,
4114 symbol_get_bfdsym (fixp
->fx_addsy
));
4118 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4122 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4125 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4126 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4127 for (i
= 0; i
< n_relocs
; i
++)
4128 relocs
[i
] = &reloc
[i
];
4130 relocs
[n_relocs
] = NULL
;
4133 switch (fixp
->fx_r_type
)
4136 assert (n_relocs
== 1);
4140 /* Now, do any processing that is dependent on the relocation type. */
4143 case R_PARISC_DLTREL21L
:
4144 case R_PARISC_DLTREL14R
:
4145 case R_PARISC_DLTREL14F
:
4146 case R_PARISC_PLABEL32
:
4147 case R_PARISC_PLABEL21L
:
4148 case R_PARISC_PLABEL14R
:
4149 /* For plabel relocations, the addend of the
4150 relocation should be either 0 (no static link) or 2
4151 (static link required). This adjustment is done in
4152 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4154 We also slam a zero addend into the DLT relative relocs;
4155 it doesn't make a lot of sense to use any addend since
4156 it gets you a different (eg unknown) DLT entry. */
4160 #ifdef ELF_ARG_RELOC
4161 case R_PARISC_PCREL17R
:
4162 case R_PARISC_PCREL17F
:
4163 case R_PARISC_PCREL17C
:
4164 case R_PARISC_DIR17R
:
4165 case R_PARISC_DIR17F
:
4166 case R_PARISC_PCREL21L
:
4167 case R_PARISC_DIR21L
:
4168 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4173 case R_PARISC_DIR32
:
4174 /* Facilitate hand-crafted unwind info. */
4175 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4176 code
= R_PARISC_SEGREL32
;
4180 reloc
->addend
= fixp
->fx_offset
;
4184 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4185 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4186 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4187 (bfd_reloc_code_real_type
) code
);
4188 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4190 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4195 /* Walk over reach relocation returned by the BFD backend. */
4196 for (i
= 0; i
< n_relocs
; i
++)
4200 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4201 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4203 bfd_reloc_type_lookup (stdoutput
,
4204 (bfd_reloc_code_real_type
) code
);
4205 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4210 /* The only time we ever use a R_COMP2 fixup is for the difference
4211 of two symbols. With that in mind we fill in all four
4212 relocs now and break out of the loop. */
4214 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4216 bfd_reloc_type_lookup (stdoutput
,
4217 (bfd_reloc_code_real_type
) *codes
[0]);
4218 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4219 relocs
[0]->addend
= 0;
4220 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4221 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4223 bfd_reloc_type_lookup (stdoutput
,
4224 (bfd_reloc_code_real_type
) *codes
[1]);
4225 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4226 relocs
[1]->addend
= 0;
4227 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4228 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4230 bfd_reloc_type_lookup (stdoutput
,
4231 (bfd_reloc_code_real_type
) *codes
[2]);
4232 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4233 relocs
[2]->addend
= 0;
4234 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4236 bfd_reloc_type_lookup (stdoutput
,
4237 (bfd_reloc_code_real_type
) *codes
[3]);
4238 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4239 relocs
[3]->addend
= 0;
4240 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4242 bfd_reloc_type_lookup (stdoutput
,
4243 (bfd_reloc_code_real_type
) *codes
[4]);
4244 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4245 relocs
[4]->addend
= 0;
4249 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4255 /* For plabel relocations, the addend of the
4256 relocation should be either 0 (no static link) or 2
4257 (static link required).
4259 FIXME: We always assume no static link!
4261 We also slam a zero addend into the DLT relative relocs;
4262 it doesn't make a lot of sense to use any addend since
4263 it gets you a different (eg unknown) DLT entry. */
4264 relocs
[i
]->addend
= 0;
4279 /* There is no symbol or addend associated with these fixups. */
4280 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4281 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4282 relocs
[i
]->addend
= 0;
4288 /* There is no symbol associated with these fixups. */
4289 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4290 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4291 relocs
[i
]->addend
= fixp
->fx_offset
;
4295 relocs
[i
]->addend
= fixp
->fx_offset
;
4305 /* Process any machine dependent frag types. */
4308 md_convert_frag (abfd
, sec
, fragP
)
4309 register bfd
*abfd ATTRIBUTE_UNUSED
;
4310 register asection
*sec ATTRIBUTE_UNUSED
;
4311 register fragS
*fragP
;
4313 unsigned int address
;
4315 if (fragP
->fr_type
== rs_machine_dependent
)
4317 switch ((int) fragP
->fr_subtype
)
4320 fragP
->fr_type
= rs_fill
;
4321 know (fragP
->fr_var
== 1);
4322 know (fragP
->fr_next
);
4323 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4324 if (address
% fragP
->fr_offset
)
4327 fragP
->fr_next
->fr_address
4332 fragP
->fr_offset
= 0;
4338 /* Round up a section size to the appropriate boundary. */
4341 md_section_align (segment
, size
)
4345 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4346 int align2
= (1 << align
) - 1;
4348 return (size
+ align2
) & ~align2
;
4351 /* Return the approximate size of a frag before relaxation has occurred. */
4353 md_estimate_size_before_relax (fragP
, segment
)
4354 register fragS
*fragP
;
4355 asection
*segment ATTRIBUTE_UNUSED
;
4361 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4368 # ifdef WARN_COMMENTS
4369 const char *md_shortopts
= "Vc";
4371 const char *md_shortopts
= "V";
4374 # ifdef WARN_COMMENTS
4375 const char *md_shortopts
= "c";
4377 const char *md_shortopts
= "";
4381 struct option md_longopts
[] = {
4382 #ifdef WARN_COMMENTS
4383 {"warn-comment", no_argument
, NULL
, 'c'},
4385 {NULL
, no_argument
, NULL
, 0}
4387 size_t md_longopts_size
= sizeof (md_longopts
);
4390 md_parse_option (c
, arg
)
4391 int c ATTRIBUTE_UNUSED
;
4392 char *arg ATTRIBUTE_UNUSED
;
4401 print_version_id ();
4404 #ifdef WARN_COMMENTS
4415 md_show_usage (stream
)
4416 FILE *stream ATTRIBUTE_UNUSED
;
4419 fprintf (stream
, _("\
4422 #ifdef WARN_COMMENTS
4423 fprintf (stream
, _("\
4424 -c print a warning if a comment is found\n"));
4428 /* We have no need to default values of symbols. */
4431 md_undefined_symbol (name
)
4432 char *name ATTRIBUTE_UNUSED
;
4437 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4438 #define nonzero_dibits(x) \
4439 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4440 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4441 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4443 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4446 /* Apply a fixup to an instruction. */
4449 md_apply_fix (fixP
, valP
, seg
)
4452 segT seg ATTRIBUTE_UNUSED
;
4455 struct hppa_fix_struct
*hppa_fixP
;
4459 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4460 never be "applied" (they are just markers). Likewise for
4461 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4463 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4464 || fixP
->fx_r_type
== R_HPPA_EXIT
4465 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4466 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4467 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4470 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4471 fixups are considered not adjustable, which in turn causes
4472 adjust_reloc_syms to not set fx_offset. Ugh. */
4473 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4475 fixP
->fx_offset
= * valP
;
4480 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4481 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4485 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
4488 /* There should have been an HPPA specific fixup associated
4489 with the GAS fixup. */
4490 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4491 if (hppa_fixP
== NULL
)
4493 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4494 _("no hppa_fixup entry for fixup type 0x%x"),
4499 buf
= (unsigned char *) (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
);
4500 insn
= bfd_get_32 (stdoutput
, buf
);
4501 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4503 /* If there is a symbol associated with this fixup, then it's something
4504 which will need a SOM relocation (except for some PC-relative relocs).
4505 In such cases we should treat the "val" or "addend" as zero since it
4506 will be added in as needed from fx_offset in tc_gen_reloc. */
4507 if ((fixP
->fx_addsy
!= NULL
4508 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4513 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4515 /* These field selectors imply that we do not want an addend. */
4516 else if (hppa_fixP
->fx_r_field
== e_psel
4517 || hppa_fixP
->fx_r_field
== e_rpsel
4518 || hppa_fixP
->fx_r_field
== e_lpsel
4519 || hppa_fixP
->fx_r_field
== e_tsel
4520 || hppa_fixP
->fx_r_field
== e_rtsel
4521 || hppa_fixP
->fx_r_field
== e_ltsel
)
4522 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4525 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4527 /* Handle pc-relative exceptions from above. */
4528 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4531 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4532 hppa_fixP
->fx_arg_reloc
)
4534 && (* valP
- 8 + 8192 < 16384
4535 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
4536 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4539 && (* valP
- 8 + 262144 < 524288
4540 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4542 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4543 && !S_IS_WEAK (fixP
->fx_addsy
)
4544 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4546 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4548 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4554 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4555 fixP
->fx_file
, fixP
->fx_line
);
4558 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4559 | ((val
& 0x2000) >> 13));
4562 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4563 fixP
->fx_file
, fixP
->fx_line
);
4566 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4567 | ((val
& 0x2000) >> 13));
4569 /* Handle all opcodes with the 'j' operand type. */
4571 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4572 fixP
->fx_file
, fixP
->fx_line
);
4575 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4578 /* Handle all opcodes with the 'k' operand type. */
4580 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4581 fixP
->fx_file
, fixP
->fx_line
);
4584 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4587 /* Handle all the opcodes with the 'i' operand type. */
4589 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4590 fixP
->fx_file
, fixP
->fx_line
);
4593 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4596 /* Handle all the opcodes with the 'w' operand type. */
4598 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4599 fixP
->fx_file
, fixP
->fx_line
);
4602 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4605 /* Handle some of the opcodes with the 'W' operand type. */
4608 offsetT distance
= * valP
;
4610 /* If this is an absolute branch (ie no link) with an out of
4611 range target, then we want to complain. */
4612 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4613 && (insn
& 0xffe00000) == 0xe8000000)
4614 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4615 fixP
->fx_file
, fixP
->fx_line
);
4617 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4618 fixP
->fx_file
, fixP
->fx_line
);
4621 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4627 offsetT distance
= * valP
;
4629 /* If this is an absolute branch (ie no link) with an out of
4630 range target, then we want to complain. */
4631 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4632 && (insn
& 0xffe00000) == 0xe8000000)
4633 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4634 fixP
->fx_file
, fixP
->fx_line
);
4636 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4637 fixP
->fx_file
, fixP
->fx_line
);
4640 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4646 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4651 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4656 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4664 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4665 _("Unknown relocation encountered in md_apply_fix."));
4669 /* Insert the relocation. */
4670 bfd_put_32 (stdoutput
, insn
, buf
);
4673 /* Exactly what point is a PC-relative offset relative TO?
4674 On the PA, they're relative to the address of the offset. */
4677 md_pcrel_from (fixP
)
4680 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4683 /* Return nonzero if the input line pointer is at the end of
4687 is_end_of_statement ()
4689 return ((*input_line_pointer
== '\n')
4690 || (*input_line_pointer
== ';')
4691 || (*input_line_pointer
== '!'));
4694 /* Read a number from S. The number might come in one of many forms,
4695 the most common will be a hex or decimal constant, but it could be
4696 a pre-defined register (Yuk!), or an absolute symbol.
4698 Return 1 on success or 0 on failure. If STRICT, then a missing
4699 register prefix will cause a failure. The number itself is
4700 returned in `pa_number'.
4702 IS_FLOAT indicates that a PA-89 FP register number should be
4703 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4706 pa_parse_number can not handle negative constants and will fail
4707 horribly if it is passed such a constant. */
4710 pa_parse_number (s
, is_float
)
4720 bfd_boolean have_prefix
;
4722 /* Skip whitespace before the number. */
4723 while (*p
== ' ' || *p
== '\t')
4729 if (!strict
&& ISDIGIT (*p
))
4731 /* Looks like a number. */
4733 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4735 /* The number is specified in hex. */
4737 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4738 || ((*p
>= 'A') && (*p
<= 'F')))
4741 num
= num
* 16 + *p
- '0';
4742 else if (*p
>= 'a' && *p
<= 'f')
4743 num
= num
* 16 + *p
- 'a' + 10;
4745 num
= num
* 16 + *p
- 'A' + 10;
4751 /* The number is specified in decimal. */
4752 while (ISDIGIT (*p
))
4754 num
= num
* 10 + *p
- '0';
4761 /* Check for a `l' or `r' suffix. */
4764 pa_number
+= FP_REG_BASE
;
4765 if (! (is_float
& 2))
4767 if (IS_R_SELECT (p
))
4769 pa_number
+= FP_REG_RSEL
;
4772 else if (IS_L_SELECT (p
))
4781 /* The number might be a predefined register. */
4786 /* Tege hack: Special case for general registers as the general
4787 code makes a binary search with case translation, and is VERY
4792 if (*p
== 'e' && *(p
+ 1) == 't'
4793 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4796 num
= *p
- '0' + 28;
4804 else if (!ISDIGIT (*p
))
4807 as_bad (_("Undefined register: '%s'."), name
);
4813 num
= num
* 10 + *p
++ - '0';
4814 while (ISDIGIT (*p
));
4819 /* Do a normal register search. */
4820 while (is_part_of_name (c
))
4826 status
= reg_name_search (name
);
4832 as_bad (_("Undefined register: '%s'."), name
);
4842 /* And finally, it could be a symbol in the absolute section which
4843 is effectively a constant, or a register alias symbol. */
4846 while (is_part_of_name (c
))
4852 if ((sym
= symbol_find (name
)) != NULL
)
4854 if (S_GET_SEGMENT (sym
) == reg_section
)
4856 num
= S_GET_VALUE (sym
);
4857 /* Well, we don't really have one, but we do have a
4861 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4862 num
= S_GET_VALUE (sym
);
4866 as_bad (_("Non-absolute symbol: '%s'."), name
);
4872 /* There is where we'd come for an undefined symbol
4873 or for an empty string. For an empty string we
4874 will return zero. That's a concession made for
4875 compatibility with the braindamaged HP assemblers. */
4881 as_bad (_("Undefined absolute constant: '%s'."), name
);
4890 if (!strict
|| have_prefix
)
4898 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4900 /* Given NAME, find the register number associated with that name, return
4901 the integer value associated with the given name or -1 on failure. */
4904 reg_name_search (name
)
4907 int middle
, low
, high
;
4911 high
= REG_NAME_CNT
- 1;
4915 middle
= (low
+ high
) / 2;
4916 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4922 return pre_defined_registers
[middle
].value
;
4924 while (low
<= high
);
4929 /* Return nonzero if the given INSN and L/R information will require
4930 a new PA-1.1 opcode. */
4935 if ((pa_number
& FP_REG_RSEL
) != 0
4936 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4938 /* If this instruction is specific to a particular architecture,
4939 then set a new architecture. */
4940 if (bfd_get_mach (stdoutput
) < pa11
)
4942 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4943 as_warn (_("could not update architecture and machine"));
4951 /* Parse a condition for a fcmp instruction. Return the numerical
4952 code associated with the condition. */
4955 pa_parse_fp_cmp_cond (s
)
4962 for (i
= 0; i
< 32; i
++)
4964 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4965 strlen (fp_cond_map
[i
].string
)) == 0)
4967 cond
= fp_cond_map
[i
].cond
;
4968 *s
+= strlen (fp_cond_map
[i
].string
);
4969 /* If not a complete match, back up the input string and
4971 if (**s
!= ' ' && **s
!= '\t')
4973 *s
-= strlen (fp_cond_map
[i
].string
);
4976 while (**s
== ' ' || **s
== '\t')
4982 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4984 /* Advance over the bogus completer. */
4985 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4991 /* Parse a graphics test complete for ftest. */
4994 pa_parse_ftest_gfx_completer (s
)
5000 if (strncasecmp (*s
, "acc8", 4) == 0)
5005 else if (strncasecmp (*s
, "acc6", 4) == 0)
5010 else if (strncasecmp (*s
, "acc4", 4) == 0)
5015 else if (strncasecmp (*s
, "acc2", 4) == 0)
5020 else if (strncasecmp (*s
, "acc", 3) == 0)
5025 else if (strncasecmp (*s
, "rej8", 4) == 0)
5030 else if (strncasecmp (*s
, "rej", 3) == 0)
5038 as_bad (_("Invalid FTEST completer: %s"), *s
);
5044 /* Parse an FP operand format completer returning the completer
5047 static fp_operand_format
5048 pa_parse_fp_cnv_format (s
)
5057 if (strncasecmp (*s
, "sgl", 3) == 0)
5062 else if (strncasecmp (*s
, "dbl", 3) == 0)
5067 else if (strncasecmp (*s
, "quad", 4) == 0)
5072 else if (strncasecmp (*s
, "w", 1) == 0)
5077 else if (strncasecmp (*s
, "uw", 2) == 0)
5082 else if (strncasecmp (*s
, "dw", 2) == 0)
5087 else if (strncasecmp (*s
, "udw", 3) == 0)
5092 else if (strncasecmp (*s
, "qw", 2) == 0)
5097 else if (strncasecmp (*s
, "uqw", 3) == 0)
5104 format
= ILLEGAL_FMT
;
5105 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5112 /* Parse an FP operand format completer returning the completer
5115 static fp_operand_format
5116 pa_parse_fp_format (s
)
5125 if (strncasecmp (*s
, "sgl", 3) == 0)
5130 else if (strncasecmp (*s
, "dbl", 3) == 0)
5135 else if (strncasecmp (*s
, "quad", 4) == 0)
5142 format
= ILLEGAL_FMT
;
5143 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5150 /* Convert from a selector string into a selector type. */
5153 pa_chk_field_selector (str
)
5156 int middle
, low
, high
;
5160 /* Read past any whitespace. */
5161 /* FIXME: should we read past newlines and formfeeds??? */
5162 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5165 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5166 name
[0] = TOLOWER ((*str
)[0]),
5168 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5169 name
[0] = TOLOWER ((*str
)[0]),
5170 name
[1] = TOLOWER ((*str
)[1]),
5172 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5173 name
[0] = TOLOWER ((*str
)[0]),
5174 name
[1] = TOLOWER ((*str
)[1]),
5175 name
[2] = TOLOWER ((*str
)[2]),
5181 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5185 middle
= (low
+ high
) / 2;
5186 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5193 *str
+= strlen (name
) + 1;
5195 if (selector_table
[middle
].field_selector
== e_nsel
)
5198 return selector_table
[middle
].field_selector
;
5201 while (low
<= high
);
5206 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5209 get_expression (str
)
5215 save_in
= input_line_pointer
;
5216 input_line_pointer
= str
;
5217 seg
= expression (&the_insn
.exp
);
5218 if (!(seg
== absolute_section
5219 || seg
== undefined_section
5220 || SEG_NORMAL (seg
)))
5222 as_warn (_("Bad segment in expression."));
5223 expr_end
= input_line_pointer
;
5224 input_line_pointer
= save_in
;
5227 expr_end
= input_line_pointer
;
5228 input_line_pointer
= save_in
;
5232 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5234 pa_get_absolute_expression (insn
, strp
)
5240 insn
->field_selector
= pa_chk_field_selector (strp
);
5241 save_in
= input_line_pointer
;
5242 input_line_pointer
= *strp
;
5243 expression (&insn
->exp
);
5244 /* This is not perfect, but is a huge improvement over doing nothing.
5246 The PA assembly syntax is ambiguous in a variety of ways. Consider
5247 this string "4 %r5" Is that the number 4 followed by the register
5248 r5, or is that 4 MOD r5?
5250 If we get a modulo expression when looking for an absolute, we try
5251 again cutting off the input string at the first whitespace character. */
5252 if (insn
->exp
.X_op
== O_modulus
)
5257 input_line_pointer
= *strp
;
5259 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5265 retval
= pa_get_absolute_expression (insn
, strp
);
5267 input_line_pointer
= save_in
;
5269 return evaluate_absolute (insn
);
5271 /* When in strict mode we have a non-match, fix up the pointers
5272 and return to our caller. */
5273 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5275 expr_end
= input_line_pointer
;
5276 input_line_pointer
= save_in
;
5279 if (insn
->exp
.X_op
!= O_constant
)
5281 as_bad (_("Bad segment (should be absolute)."));
5282 expr_end
= input_line_pointer
;
5283 input_line_pointer
= save_in
;
5286 expr_end
= input_line_pointer
;
5287 input_line_pointer
= save_in
;
5288 return evaluate_absolute (insn
);
5291 /* Evaluate an absolute expression EXP which may be modified by
5292 the selector FIELD_SELECTOR. Return the value of the expression. */
5294 evaluate_absolute (insn
)
5299 int field_selector
= insn
->field_selector
;
5302 value
= exp
.X_add_number
;
5304 return hppa_field_adjust (0, value
, field_selector
);
5307 /* Given an argument location specification return the associated
5308 argument location number. */
5311 pa_build_arg_reloc (type_name
)
5315 if (strncasecmp (type_name
, "no", 2) == 0)
5317 if (strncasecmp (type_name
, "gr", 2) == 0)
5319 else if (strncasecmp (type_name
, "fr", 2) == 0)
5321 else if (strncasecmp (type_name
, "fu", 2) == 0)
5324 as_bad (_("Invalid argument location: %s\n"), type_name
);
5329 /* Encode and return an argument relocation specification for
5330 the given register in the location specified by arg_reloc. */
5333 pa_align_arg_reloc (reg
, arg_reloc
)
5335 unsigned int arg_reloc
;
5337 unsigned int new_reloc
;
5339 new_reloc
= arg_reloc
;
5355 as_bad (_("Invalid argument description: %d"), reg
);
5361 /* Parse a PA nullification completer (,n). Return nonzero if the
5362 completer was found; return zero if no completer was found. */
5374 if (strncasecmp (*s
, "n", 1) == 0)
5378 as_bad (_("Invalid Nullification: (%c)"), **s
);
5387 /* Parse a non-negated compare/subtract completer returning the
5388 number (for encoding in instructions) of the given completer. */
5391 pa_parse_nonneg_cmpsub_cmpltr (s
)
5395 char *name
= *s
+ 1;
5404 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5409 if (strcmp (name
, "=") == 0)
5413 else if (strcmp (name
, "<") == 0)
5417 else if (strcmp (name
, "<=") == 0)
5421 else if (strcmp (name
, "<<") == 0)
5425 else if (strcmp (name
, "<<=") == 0)
5429 else if (strcasecmp (name
, "sv") == 0)
5433 else if (strcasecmp (name
, "od") == 0)
5437 /* If we have something like addb,n then there is no condition
5439 else if (strcasecmp (name
, "n") == 0)
5451 /* Reset pointers if this was really a ,n for a branch instruction. */
5458 /* Parse a negated compare/subtract completer returning the
5459 number (for encoding in instructions) of the given completer. */
5462 pa_parse_neg_cmpsub_cmpltr (s
)
5466 char *name
= *s
+ 1;
5475 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5480 if (strcasecmp (name
, "tr") == 0)
5484 else if (strcmp (name
, "<>") == 0)
5488 else if (strcmp (name
, ">=") == 0)
5492 else if (strcmp (name
, ">") == 0)
5496 else if (strcmp (name
, ">>=") == 0)
5500 else if (strcmp (name
, ">>") == 0)
5504 else if (strcasecmp (name
, "nsv") == 0)
5508 else if (strcasecmp (name
, "ev") == 0)
5512 /* If we have something like addb,n then there is no condition
5514 else if (strcasecmp (name
, "n") == 0)
5526 /* Reset pointers if this was really a ,n for a branch instruction. */
5533 /* Parse a 64 bit compare and branch completer returning the number (for
5534 encoding in instructions) of the given completer.
5536 Nonnegated comparisons are returned as 0-7, negated comparisons are
5537 returned as 8-15. */
5540 pa_parse_cmpb_64_cmpltr (s
)
5544 char *name
= *s
+ 1;
5551 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5556 if (strcmp (name
, "*") == 0)
5560 else if (strcmp (name
, "*=") == 0)
5564 else if (strcmp (name
, "*<") == 0)
5568 else if (strcmp (name
, "*<=") == 0)
5572 else if (strcmp (name
, "*<<") == 0)
5576 else if (strcmp (name
, "*<<=") == 0)
5580 else if (strcasecmp (name
, "*sv") == 0)
5584 else if (strcasecmp (name
, "*od") == 0)
5588 else if (strcasecmp (name
, "*tr") == 0)
5592 else if (strcmp (name
, "*<>") == 0)
5596 else if (strcmp (name
, "*>=") == 0)
5600 else if (strcmp (name
, "*>") == 0)
5604 else if (strcmp (name
, "*>>=") == 0)
5608 else if (strcmp (name
, "*>>") == 0)
5612 else if (strcasecmp (name
, "*nsv") == 0)
5616 else if (strcasecmp (name
, "*ev") == 0)
5630 /* Parse a 64 bit compare immediate and branch completer returning the number
5631 (for encoding in instructions) of the given completer. */
5634 pa_parse_cmpib_64_cmpltr (s
)
5638 char *name
= *s
+ 1;
5645 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5650 if (strcmp (name
, "*<<") == 0)
5654 else if (strcmp (name
, "*=") == 0)
5658 else if (strcmp (name
, "*<") == 0)
5662 else if (strcmp (name
, "*<=") == 0)
5666 else if (strcmp (name
, "*>>=") == 0)
5670 else if (strcmp (name
, "*<>") == 0)
5674 else if (strcasecmp (name
, "*>=") == 0)
5678 else if (strcasecmp (name
, "*>") == 0)
5692 /* Parse a non-negated addition completer returning the number
5693 (for encoding in instructions) of the given completer. */
5696 pa_parse_nonneg_add_cmpltr (s
)
5700 char *name
= *s
+ 1;
5709 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5713 if (strcmp (name
, "=") == 0)
5717 else if (strcmp (name
, "<") == 0)
5721 else if (strcmp (name
, "<=") == 0)
5725 else if (strcasecmp (name
, "nuv") == 0)
5729 else if (strcasecmp (name
, "znv") == 0)
5733 else if (strcasecmp (name
, "sv") == 0)
5737 else if (strcasecmp (name
, "od") == 0)
5741 /* If we have something like addb,n then there is no condition
5743 else if (strcasecmp (name
, "n") == 0)
5755 /* Reset pointers if this was really a ,n for a branch instruction. */
5762 /* Parse a negated addition completer returning the number
5763 (for encoding in instructions) of the given completer. */
5766 pa_parse_neg_add_cmpltr (s
)
5770 char *name
= *s
+ 1;
5779 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5783 if (strcasecmp (name
, "tr") == 0)
5787 else if (strcmp (name
, "<>") == 0)
5791 else if (strcmp (name
, ">=") == 0)
5795 else if (strcmp (name
, ">") == 0)
5799 else if (strcasecmp (name
, "uv") == 0)
5803 else if (strcasecmp (name
, "vnz") == 0)
5807 else if (strcasecmp (name
, "nsv") == 0)
5811 else if (strcasecmp (name
, "ev") == 0)
5815 /* If we have something like addb,n then there is no condition
5817 else if (strcasecmp (name
, "n") == 0)
5829 /* Reset pointers if this was really a ,n for a branch instruction. */
5836 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5837 encoding in instructions) of the given completer. */
5840 pa_parse_addb_64_cmpltr (s
)
5844 char *name
= *s
+ 1;
5853 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5857 if (strcmp (name
, "=") == 0)
5861 else if (strcmp (name
, "<") == 0)
5865 else if (strcmp (name
, "<=") == 0)
5869 else if (strcasecmp (name
, "nuv") == 0)
5873 else if (strcasecmp (name
, "*=") == 0)
5877 else if (strcasecmp (name
, "*<") == 0)
5881 else if (strcasecmp (name
, "*<=") == 0)
5885 else if (strcmp (name
, "tr") == 0)
5889 else if (strcmp (name
, "<>") == 0)
5893 else if (strcmp (name
, ">=") == 0)
5897 else if (strcmp (name
, ">") == 0)
5901 else if (strcasecmp (name
, "uv") == 0)
5905 else if (strcasecmp (name
, "*<>") == 0)
5909 else if (strcasecmp (name
, "*>=") == 0)
5913 else if (strcasecmp (name
, "*>") == 0)
5917 /* If we have something like addb,n then there is no condition
5919 else if (strcasecmp (name
, "n") == 0)
5931 /* Reset pointers if this was really a ,n for a branch instruction. */
5939 /* Handle an alignment directive. Special so that we can update the
5940 alignment of the subspace if necessary. */
5945 /* We must have a valid space and subspace. */
5946 pa_check_current_space_and_subspace ();
5948 /* Let the generic gas code do most of the work. */
5949 s_align_bytes (bytes
);
5951 /* If bytes is a power of 2, then update the current subspace's
5952 alignment if necessary. */
5953 if (exact_log2 (bytes
) != -1)
5954 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5958 /* Handle a .BLOCK type pseudo-op. */
5962 int z ATTRIBUTE_UNUSED
;
5964 unsigned int temp_size
;
5967 /* We must have a valid space and subspace. */
5968 pa_check_current_space_and_subspace ();
5971 temp_size
= get_absolute_expression ();
5973 if (temp_size
> 0x3FFFFFFF)
5975 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5980 /* Always fill with zeros, that's what the HP assembler does. */
5981 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5985 pa_undefine_label ();
5986 demand_empty_rest_of_line ();
5989 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5993 int begin ATTRIBUTE_UNUSED
;
5997 /* The BRTAB relocations are only available in SOM (to denote
5998 the beginning and end of branch tables). */
5999 char *where
= frag_more (0);
6001 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6002 NULL
, (offsetT
) 0, NULL
,
6003 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
6007 demand_empty_rest_of_line ();
6010 /* Handle a .begin_try and .end_try pseudo-op. */
6014 int begin ATTRIBUTE_UNUSED
;
6018 char *where
= frag_more (0);
6023 /* The TRY relocations are only available in SOM (to denote
6024 the beginning and end of exception handling regions). */
6026 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6027 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
6028 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6032 demand_empty_rest_of_line ();
6035 /* Handle a .CALL pseudo-op. This involves storing away information
6036 about where arguments are to be found so the linker can detect
6037 (and correct) argument location mismatches between caller and callee. */
6041 int unused ATTRIBUTE_UNUSED
;
6044 /* We must have a valid space and subspace. */
6045 pa_check_current_space_and_subspace ();
6048 pa_call_args (&last_call_desc
);
6049 demand_empty_rest_of_line ();
6052 /* Do the dirty work of building a call descriptor which describes
6053 where the caller placed arguments to a function call. */
6056 pa_call_args (call_desc
)
6057 struct call_desc
*call_desc
;
6060 unsigned int temp
, arg_reloc
;
6062 while (!is_end_of_statement ())
6064 name
= input_line_pointer
;
6065 c
= get_symbol_end ();
6066 /* Process a source argument. */
6067 if ((strncasecmp (name
, "argw", 4) == 0))
6069 temp
= atoi (name
+ 4);
6070 p
= input_line_pointer
;
6072 input_line_pointer
++;
6073 name
= input_line_pointer
;
6074 c
= get_symbol_end ();
6075 arg_reloc
= pa_build_arg_reloc (name
);
6076 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6078 /* Process a return value. */
6079 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6081 p
= input_line_pointer
;
6083 input_line_pointer
++;
6084 name
= input_line_pointer
;
6085 c
= get_symbol_end ();
6086 arg_reloc
= pa_build_arg_reloc (name
);
6087 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6091 as_bad (_("Invalid .CALL argument: %s"), name
);
6093 p
= input_line_pointer
;
6095 if (!is_end_of_statement ())
6096 input_line_pointer
++;
6100 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6103 is_same_frag (frag1
, frag2
)
6110 else if (frag2
== NULL
)
6112 else if (frag1
== frag2
)
6114 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6115 return (is_same_frag (frag1
, frag2
->fr_next
));
6121 /* Build an entry in the UNWIND subspace from the given function
6122 attributes in CALL_INFO. This is not needed for SOM as using
6123 R_ENTRY and R_EXIT relocations allow the linker to handle building
6124 of the unwind spaces. */
6127 pa_build_unwind_subspace (call_info
)
6128 struct call_info
*call_info
;
6130 asection
*seg
, *save_seg
;
6131 subsegT save_subseg
;
6132 unsigned int unwind
;
6136 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6137 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6138 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6141 reloc
= R_PARISC_SEGREL32
;
6143 save_subseg
= now_subseg
;
6144 /* Get into the right seg/subseg. This may involve creating
6145 the seg the first time through. Make sure to have the
6146 old seg/subseg so that we can reset things when we are done. */
6147 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6148 if (seg
== ASEC_NULL
)
6150 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6151 bfd_set_section_flags (stdoutput
, seg
,
6152 SEC_READONLY
| SEC_HAS_CONTENTS
6153 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6154 bfd_set_section_alignment (stdoutput
, seg
, 2);
6157 subseg_set (seg
, 0);
6159 /* Get some space to hold relocation information for the unwind
6163 /* Relocation info. for start offset of the function. */
6164 md_number_to_chars (p
, 0, 4);
6165 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6166 call_info
->start_symbol
, (offsetT
) 0,
6167 (expressionS
*) NULL
, 0, reloc
,
6170 /* Relocation info. for end offset of the function.
6172 Because we allow reductions of 32bit relocations for ELF, this will be
6173 reduced to section_sym + offset which avoids putting the temporary
6174 symbol into the symbol table. It (should) end up giving the same
6175 value as call_info->start_symbol + function size once the linker is
6176 finished with its work. */
6177 md_number_to_chars (p
+ 4, 0, 4);
6178 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6179 call_info
->end_symbol
, (offsetT
) 0,
6180 (expressionS
*) NULL
, 0, reloc
,
6183 /* Dump the descriptor. */
6184 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6185 md_number_to_chars (p
+ 8, unwind
, 4);
6187 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6188 md_number_to_chars (p
+ 12, unwind
, 4);
6190 /* Return back to the original segment/subsegment. */
6191 subseg_set (save_seg
, save_subseg
);
6195 /* Process a .CALLINFO pseudo-op. This information is used later
6196 to build unwind descriptors and maybe one day to support
6197 .ENTER and .LEAVE. */
6200 pa_callinfo (unused
)
6201 int unused ATTRIBUTE_UNUSED
;
6207 /* We must have a valid space and subspace. */
6208 pa_check_current_space_and_subspace ();
6211 /* .CALLINFO must appear within a procedure definition. */
6212 if (!within_procedure
)
6213 as_bad (_(".callinfo is not within a procedure definition"));
6215 /* Mark the fact that we found the .CALLINFO for the
6216 current procedure. */
6217 callinfo_found
= TRUE
;
6219 /* Iterate over the .CALLINFO arguments. */
6220 while (!is_end_of_statement ())
6222 name
= input_line_pointer
;
6223 c
= get_symbol_end ();
6224 /* Frame size specification. */
6225 if ((strncasecmp (name
, "frame", 5) == 0))
6227 p
= input_line_pointer
;
6229 input_line_pointer
++;
6230 temp
= get_absolute_expression ();
6231 if ((temp
& 0x3) != 0)
6233 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6237 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6238 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6241 /* Entry register (GR, GR and SR) specifications. */
6242 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6244 p
= input_line_pointer
;
6246 input_line_pointer
++;
6247 temp
= get_absolute_expression ();
6248 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6249 even though %r19 is caller saved. I think this is a bug in
6250 the HP assembler, and we are not going to emulate it. */
6251 if (temp
< 3 || temp
> 18)
6252 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6253 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6255 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6257 p
= input_line_pointer
;
6259 input_line_pointer
++;
6260 temp
= get_absolute_expression ();
6261 /* Similarly the HP assembler takes 31 as the high bound even
6262 though %fr21 is the last callee saved floating point register. */
6263 if (temp
< 12 || temp
> 21)
6264 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6265 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6267 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6269 p
= input_line_pointer
;
6271 input_line_pointer
++;
6272 temp
= get_absolute_expression ();
6274 as_bad (_("Value for ENTRY_SR must be 3\n"));
6276 /* Note whether or not this function performs any calls. */
6277 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6278 (strncasecmp (name
, "caller", 6) == 0))
6280 p
= input_line_pointer
;
6283 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6285 p
= input_line_pointer
;
6288 /* Should RP be saved into the stack. */
6289 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6291 p
= input_line_pointer
;
6293 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6295 /* Likewise for SP. */
6296 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6298 p
= input_line_pointer
;
6300 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6302 /* Is this an unwindable procedure. If so mark it so
6303 in the unwind descriptor. */
6304 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6306 p
= input_line_pointer
;
6308 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6310 /* Is this an interrupt routine. If so mark it in the
6311 unwind descriptor. */
6312 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6314 p
= input_line_pointer
;
6316 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6318 /* Is this a millicode routine. "millicode" isn't in my
6319 assembler manual, but my copy is old. The HP assembler
6320 accepts it, and there's a place in the unwind descriptor
6321 to drop the information, so we'll accept it too. */
6322 else if ((strncasecmp (name
, "millicode", 9) == 0))
6324 p
= input_line_pointer
;
6326 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6330 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6331 *input_line_pointer
= c
;
6333 if (!is_end_of_statement ())
6334 input_line_pointer
++;
6337 demand_empty_rest_of_line ();
6340 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6341 /* Switch to the text space. Like s_text, but delete our
6342 label when finished. */
6345 int unused ATTRIBUTE_UNUSED
;
6348 current_space
= is_defined_space ("$TEXT$");
6350 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6354 pa_undefine_label ();
6357 /* Switch to the data space. As usual delete our label. */
6360 int unused ATTRIBUTE_UNUSED
;
6363 current_space
= is_defined_space ("$PRIVATE$");
6365 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6368 pa_undefine_label ();
6371 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6372 the .comm pseudo-op has the following symtax:
6374 <label> .comm <length>
6376 where <label> is optional and is a symbol whose address will be the start of
6377 a block of memory <length> bytes long. <length> must be an absolute
6378 expression. <length> bytes will be allocated in the current space
6381 Also note the label may not even be on the same line as the .comm.
6383 This difference in syntax means the colon function will be called
6384 on the symbol before we arrive in pa_comm. colon will set a number
6385 of attributes of the symbol that need to be fixed here. In particular
6386 the value, section pointer, fragment pointer, flags, etc. What
6389 This also makes error detection all but impossible. */
6393 int unused ATTRIBUTE_UNUSED
;
6397 label_symbol_struct
*label_symbol
= pa_get_label ();
6400 symbol
= label_symbol
->lss_label
;
6405 size
= get_absolute_expression ();
6409 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6410 S_SET_VALUE (symbol
, size
);
6411 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6412 S_SET_EXTERNAL (symbol
);
6414 /* colon() has already set the frag to the current location in the
6415 current subspace; we need to reset the fragment to the zero address
6416 fragment. We also need to reset the segment pointer. */
6417 symbol_set_frag (symbol
, &zero_address_frag
);
6419 demand_empty_rest_of_line ();
6421 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6423 /* Process a .END pseudo-op. */
6427 int unused ATTRIBUTE_UNUSED
;
6429 demand_empty_rest_of_line ();
6432 /* Process a .ENTER pseudo-op. This is not supported. */
6435 int unused ATTRIBUTE_UNUSED
;
6438 /* We must have a valid space and subspace. */
6439 pa_check_current_space_and_subspace ();
6442 as_bad (_("The .ENTER pseudo-op is not supported"));
6443 demand_empty_rest_of_line ();
6446 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6450 int unused ATTRIBUTE_UNUSED
;
6453 /* We must have a valid space and subspace. */
6454 pa_check_current_space_and_subspace ();
6457 if (!within_procedure
)
6458 as_bad (_("Misplaced .entry. Ignored."));
6461 if (!callinfo_found
)
6462 as_bad (_("Missing .callinfo."));
6464 demand_empty_rest_of_line ();
6465 within_entry_exit
= TRUE
;
6468 /* SOM defers building of unwind descriptors until the link phase.
6469 The assembler is responsible for creating an R_ENTRY relocation
6470 to mark the beginning of a region and hold the unwind bits, and
6471 for creating an R_EXIT relocation to mark the end of the region.
6473 FIXME. ELF should be using the same conventions! The problem
6474 is an unwind requires too much relocation space. Hmmm. Maybe
6475 if we split the unwind bits up between the relocations which
6476 denote the entry and exit points. */
6477 if (last_call_info
->start_symbol
!= NULL
)
6482 where
= frag_more (0);
6483 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6484 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6485 NULL
, (offsetT
) 0, NULL
,
6486 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6491 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6492 being able to subtract two register symbols that specify a range of
6493 registers, to get the size of the range. */
6494 static int fudge_reg_expressions
;
6497 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6498 expressionS
*resultP
;
6499 operatorT op ATTRIBUTE_UNUSED
;
6500 expressionS
*rightP
;
6502 if (fudge_reg_expressions
6503 && rightP
->X_op
== O_register
6504 && resultP
->X_op
== O_register
)
6506 rightP
->X_op
= O_constant
;
6507 resultP
->X_op
= O_constant
;
6509 return 0; /* Continue normal expr handling. */
6512 /* Handle a .EQU pseudo-op. */
6518 label_symbol_struct
*label_symbol
= pa_get_label ();
6523 symbol
= label_symbol
->lss_label
;
6527 if (!pa_parse_number (&input_line_pointer
, 0))
6528 as_bad (_(".REG expression must be a register"));
6529 S_SET_VALUE (symbol
, pa_number
);
6530 S_SET_SEGMENT (symbol
, reg_section
);
6537 fudge_reg_expressions
= 1;
6538 seg
= expression (&exp
);
6539 fudge_reg_expressions
= 0;
6540 if (exp
.X_op
!= O_constant
6541 && exp
.X_op
!= O_register
)
6543 if (exp
.X_op
!= O_absent
)
6544 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6545 exp
.X_add_number
= 0;
6546 seg
= absolute_section
;
6548 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6549 S_SET_SEGMENT (symbol
, seg
);
6555 as_bad (_(".REG must use a label"));
6557 as_bad (_(".EQU must use a label"));
6560 pa_undefine_label ();
6561 demand_empty_rest_of_line ();
6564 /* Helper function. Does processing for the end of a function. This
6565 usually involves creating some relocations or building special
6566 symbols to mark the end of the function. */
6573 where
= frag_more (0);
6576 /* Mark the end of the function, stuff away the location of the frag
6577 for the end of the function, and finally call pa_build_unwind_subspace
6578 to add an entry in the unwind table. */
6579 hppa_elf_mark_end_of_function ();
6580 pa_build_unwind_subspace (last_call_info
);
6582 /* SOM defers building of unwind descriptors until the link phase.
6583 The assembler is responsible for creating an R_ENTRY relocation
6584 to mark the beginning of a region and hold the unwind bits, and
6585 for creating an R_EXIT relocation to mark the end of the region.
6587 FIXME. ELF should be using the same conventions! The problem
6588 is an unwind requires too much relocation space. Hmmm. Maybe
6589 if we split the unwind bits up between the relocations which
6590 denote the entry and exit points. */
6591 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6593 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6594 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6598 /* Process a .EXIT pseudo-op. */
6602 int unused ATTRIBUTE_UNUSED
;
6605 /* We must have a valid space and subspace. */
6606 pa_check_current_space_and_subspace ();
6609 if (!within_procedure
)
6610 as_bad (_(".EXIT must appear within a procedure"));
6613 if (!callinfo_found
)
6614 as_bad (_("Missing .callinfo"));
6617 if (!within_entry_exit
)
6618 as_bad (_("No .ENTRY for this .EXIT"));
6621 within_entry_exit
= FALSE
;
6626 demand_empty_rest_of_line ();
6629 /* Process a .EXPORT directive. This makes functions external
6630 and provides information such as argument relocation entries
6635 int unused ATTRIBUTE_UNUSED
;
6640 name
= input_line_pointer
;
6641 c
= get_symbol_end ();
6642 /* Make sure the given symbol exists. */
6643 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6645 as_bad (_("Cannot define export symbol: %s\n"), name
);
6646 p
= input_line_pointer
;
6648 input_line_pointer
++;
6652 /* OK. Set the external bits and process argument relocations.
6653 For the HP, weak and global are not mutually exclusive.
6654 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6655 Call S_SET_EXTERNAL to get the other processing. Manually
6656 set BSF_GLOBAL when we get back. */
6657 S_SET_EXTERNAL (symbol
);
6658 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6659 p
= input_line_pointer
;
6661 if (!is_end_of_statement ())
6663 input_line_pointer
++;
6664 pa_type_args (symbol
, 1);
6668 demand_empty_rest_of_line ();
6671 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6674 pa_type_args (symbolP
, is_export
)
6679 unsigned int temp
, arg_reloc
;
6680 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6681 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6683 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6686 input_line_pointer
+= 8;
6687 bfdsym
->flags
&= ~BSF_FUNCTION
;
6688 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6689 type
= SYMBOL_TYPE_ABSOLUTE
;
6691 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6693 input_line_pointer
+= 4;
6694 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6695 instead one should be IMPORTing/EXPORTing ENTRY types.
6697 Complain if one tries to EXPORT a CODE type since that's never
6698 done. Both GCC and HP C still try to IMPORT CODE types, so
6699 silently fix them to be ENTRY types. */
6700 if (S_IS_FUNCTION (symbolP
))
6703 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6704 S_GET_NAME (symbolP
));
6706 bfdsym
->flags
|= BSF_FUNCTION
;
6707 type
= SYMBOL_TYPE_ENTRY
;
6711 bfdsym
->flags
&= ~BSF_FUNCTION
;
6712 type
= SYMBOL_TYPE_CODE
;
6715 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6717 input_line_pointer
+= 4;
6718 bfdsym
->flags
&= ~BSF_FUNCTION
;
6719 bfdsym
->flags
|= BSF_OBJECT
;
6720 type
= SYMBOL_TYPE_DATA
;
6722 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6724 input_line_pointer
+= 5;
6725 bfdsym
->flags
|= BSF_FUNCTION
;
6726 type
= SYMBOL_TYPE_ENTRY
;
6728 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6730 input_line_pointer
+= 9;
6731 bfdsym
->flags
|= BSF_FUNCTION
;
6734 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6735 elfsym
->internal_elf_sym
.st_info
=
6736 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6740 type
= SYMBOL_TYPE_MILLICODE
;
6742 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6744 input_line_pointer
+= 6;
6745 bfdsym
->flags
&= ~BSF_FUNCTION
;
6746 type
= SYMBOL_TYPE_PLABEL
;
6748 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6750 input_line_pointer
+= 8;
6751 bfdsym
->flags
|= BSF_FUNCTION
;
6752 type
= SYMBOL_TYPE_PRI_PROG
;
6754 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6756 input_line_pointer
+= 8;
6757 bfdsym
->flags
|= BSF_FUNCTION
;
6758 type
= SYMBOL_TYPE_SEC_PROG
;
6761 /* SOM requires much more information about symbol types
6762 than BFD understands. This is how we get this information
6763 to the SOM BFD backend. */
6764 #ifdef obj_set_symbol_type
6765 obj_set_symbol_type (bfdsym
, (int) type
);
6768 /* Now that the type of the exported symbol has been handled,
6769 handle any argument relocation information. */
6770 while (!is_end_of_statement ())
6772 if (*input_line_pointer
== ',')
6773 input_line_pointer
++;
6774 name
= input_line_pointer
;
6775 c
= get_symbol_end ();
6776 /* Argument sources. */
6777 if ((strncasecmp (name
, "argw", 4) == 0))
6779 p
= input_line_pointer
;
6781 input_line_pointer
++;
6782 temp
= atoi (name
+ 4);
6783 name
= input_line_pointer
;
6784 c
= get_symbol_end ();
6785 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6786 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6787 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6789 *input_line_pointer
= c
;
6791 /* The return value. */
6792 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6794 p
= input_line_pointer
;
6796 input_line_pointer
++;
6797 name
= input_line_pointer
;
6798 c
= get_symbol_end ();
6799 arg_reloc
= pa_build_arg_reloc (name
);
6800 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6801 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6803 *input_line_pointer
= c
;
6805 /* Privilege level. */
6806 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6808 p
= input_line_pointer
;
6810 input_line_pointer
++;
6811 temp
= atoi (input_line_pointer
);
6813 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6815 c
= get_symbol_end ();
6816 *input_line_pointer
= c
;
6820 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6821 p
= input_line_pointer
;
6824 if (!is_end_of_statement ())
6825 input_line_pointer
++;
6829 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6830 assembly file must either be defined in the assembly file, or
6831 explicitly IMPORTED from another. */
6835 int unused ATTRIBUTE_UNUSED
;
6840 name
= input_line_pointer
;
6841 c
= get_symbol_end ();
6843 symbol
= symbol_find (name
);
6844 /* Ugh. We might be importing a symbol defined earlier in the file,
6845 in which case all the code below will really screw things up
6846 (set the wrong segment, symbol flags & type, etc). */
6847 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6849 symbol
= symbol_find_or_make (name
);
6850 p
= input_line_pointer
;
6853 if (!is_end_of_statement ())
6855 input_line_pointer
++;
6856 pa_type_args (symbol
, 0);
6860 /* Sigh. To be compatible with the HP assembler and to help
6861 poorly written assembly code, we assign a type based on
6862 the current segment. Note only BSF_FUNCTION really
6863 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6864 if (now_seg
== text_section
)
6865 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6867 /* If the section is undefined, then the symbol is undefined
6868 Since this is an import, leave the section undefined. */
6869 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6874 /* The symbol was already defined. Just eat everything up to
6875 the end of the current statement. */
6876 while (!is_end_of_statement ())
6877 input_line_pointer
++;
6880 demand_empty_rest_of_line ();
6883 /* Handle a .LABEL pseudo-op. */
6887 int unused ATTRIBUTE_UNUSED
;
6891 name
= input_line_pointer
;
6892 c
= get_symbol_end ();
6894 if (strlen (name
) > 0)
6897 p
= input_line_pointer
;
6902 as_warn (_("Missing label name on .LABEL"));
6905 if (!is_end_of_statement ())
6907 as_warn (_("extra .LABEL arguments ignored."));
6908 ignore_rest_of_line ();
6910 demand_empty_rest_of_line ();
6913 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6917 int unused ATTRIBUTE_UNUSED
;
6920 /* We must have a valid space and subspace. */
6921 pa_check_current_space_and_subspace ();
6924 as_bad (_("The .LEAVE pseudo-op is not supported"));
6925 demand_empty_rest_of_line ();
6928 /* Handle a .LEVEL pseudo-op. */
6932 int unused ATTRIBUTE_UNUSED
;
6936 level
= input_line_pointer
;
6937 if (strncmp (level
, "1.0", 3) == 0)
6939 input_line_pointer
+= 3;
6940 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6941 as_warn (_("could not set architecture and machine"));
6943 else if (strncmp (level
, "1.1", 3) == 0)
6945 input_line_pointer
+= 3;
6946 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6947 as_warn (_("could not set architecture and machine"));
6949 else if (strncmp (level
, "2.0w", 4) == 0)
6951 input_line_pointer
+= 4;
6952 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6953 as_warn (_("could not set architecture and machine"));
6955 else if (strncmp (level
, "2.0", 3) == 0)
6957 input_line_pointer
+= 3;
6958 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6959 as_warn (_("could not set architecture and machine"));
6963 as_bad (_("Unrecognized .LEVEL argument\n"));
6964 ignore_rest_of_line ();
6966 demand_empty_rest_of_line ();
6969 /* Handle a .ORIGIN pseudo-op. */
6973 int unused ATTRIBUTE_UNUSED
;
6976 /* We must have a valid space and subspace. */
6977 pa_check_current_space_and_subspace ();
6981 pa_undefine_label ();
6984 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6985 is for static functions. FIXME. Should share more code with .EXPORT. */
6989 int unused ATTRIBUTE_UNUSED
;
6994 name
= input_line_pointer
;
6995 c
= get_symbol_end ();
6997 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6999 as_bad (_("Cannot define static symbol: %s\n"), name
);
7000 p
= input_line_pointer
;
7002 input_line_pointer
++;
7006 S_CLEAR_EXTERNAL (symbol
);
7007 p
= input_line_pointer
;
7009 if (!is_end_of_statement ())
7011 input_line_pointer
++;
7012 pa_type_args (symbol
, 0);
7016 demand_empty_rest_of_line ();
7019 /* Handle a .PROC pseudo-op. It is used to mark the beginning
7020 of a procedure from a syntactical point of view. */
7024 int unused ATTRIBUTE_UNUSED
;
7026 struct call_info
*call_info
;
7029 /* We must have a valid space and subspace. */
7030 pa_check_current_space_and_subspace ();
7033 if (within_procedure
)
7034 as_fatal (_("Nested procedures"));
7036 /* Reset global variables for new procedure. */
7037 callinfo_found
= FALSE
;
7038 within_procedure
= TRUE
;
7040 /* Create another call_info structure. */
7041 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7044 as_fatal (_("Cannot allocate unwind descriptor\n"));
7046 memset (call_info
, 0, sizeof (struct call_info
));
7048 call_info
->ci_next
= NULL
;
7050 if (call_info_root
== NULL
)
7052 call_info_root
= call_info
;
7053 last_call_info
= call_info
;
7057 last_call_info
->ci_next
= call_info
;
7058 last_call_info
= call_info
;
7061 /* set up defaults on call_info structure */
7063 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7064 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7065 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7067 /* If we got a .PROC pseudo-op, we know that the function is defined
7068 locally. Make sure it gets into the symbol table. */
7070 label_symbol_struct
*label_symbol
= pa_get_label ();
7074 if (label_symbol
->lss_label
)
7076 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7077 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7080 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7083 last_call_info
->start_symbol
= NULL
;
7086 demand_empty_rest_of_line ();
7089 /* Process the syntactical end of a procedure. Make sure all the
7090 appropriate pseudo-ops were found within the procedure. */
7094 int unused ATTRIBUTE_UNUSED
;
7098 /* We must have a valid space and subspace. */
7099 pa_check_current_space_and_subspace ();
7102 /* If we are within a procedure definition, make sure we've
7103 defined a label for the procedure; handle case where the
7104 label was defined after the .PROC directive.
7106 Note there's not need to diddle with the segment or fragment
7107 for the label symbol in this case. We have already switched
7108 into the new $CODE$ subspace at this point. */
7109 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7111 label_symbol_struct
*label_symbol
= pa_get_label ();
7115 if (label_symbol
->lss_label
)
7117 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7118 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7121 /* Also handle allocation of a fixup to hold the unwind
7122 information when the label appears after the proc/procend. */
7123 if (within_entry_exit
)
7128 where
= frag_more (0);
7129 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7130 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7131 NULL
, (offsetT
) 0, NULL
,
7132 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7137 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7140 as_bad (_("Missing function name for .PROC"));
7143 if (!within_procedure
)
7144 as_bad (_("misplaced .procend"));
7146 if (!callinfo_found
)
7147 as_bad (_("Missing .callinfo for this procedure"));
7149 if (within_entry_exit
)
7150 as_bad (_("Missing .EXIT for a .ENTRY"));
7153 /* ELF needs to mark the end of each function so that it can compute
7154 the size of the function (apparently its needed in the symbol table). */
7155 hppa_elf_mark_end_of_function ();
7158 within_procedure
= FALSE
;
7159 demand_empty_rest_of_line ();
7160 pa_undefine_label ();
7164 /* If VALUE is an exact power of two between zero and 2^31, then
7165 return log2 (VALUE). Else return -1. */
7173 while ((1 << shift
) != value
&& shift
< 32)
7182 /* Check to make sure we have a valid space and subspace. */
7185 pa_check_current_space_and_subspace ()
7187 if (current_space
== NULL
)
7188 as_fatal (_("Not in a space.\n"));
7190 if (current_subspace
== NULL
)
7191 as_fatal (_("Not in a subspace.\n"));
7194 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7195 then create a new space entry to hold the information specified
7196 by the parameters to the .SPACE directive. */
7198 static sd_chain_struct
*
7199 pa_parse_space_stmt (space_name
, create_flag
)
7203 char *name
, *ptemp
, c
;
7204 char loadable
, defined
, private, sort
;
7206 asection
*seg
= NULL
;
7207 sd_chain_struct
*space
;
7209 /* load default values */
7215 if (strcmp (space_name
, "$TEXT$") == 0)
7217 seg
= pa_def_spaces
[0].segment
;
7218 defined
= pa_def_spaces
[0].defined
;
7219 private = pa_def_spaces
[0].private;
7220 sort
= pa_def_spaces
[0].sort
;
7221 spnum
= pa_def_spaces
[0].spnum
;
7223 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7225 seg
= pa_def_spaces
[1].segment
;
7226 defined
= pa_def_spaces
[1].defined
;
7227 private = pa_def_spaces
[1].private;
7228 sort
= pa_def_spaces
[1].sort
;
7229 spnum
= pa_def_spaces
[1].spnum
;
7232 if (!is_end_of_statement ())
7234 print_errors
= FALSE
;
7235 ptemp
= input_line_pointer
+ 1;
7236 /* First see if the space was specified as a number rather than
7237 as a name. According to the PA assembly manual the rest of
7238 the line should be ignored. */
7240 pa_parse_number (&ptemp
, 0);
7244 input_line_pointer
= ptemp
;
7248 while (!is_end_of_statement ())
7250 input_line_pointer
++;
7251 name
= input_line_pointer
;
7252 c
= get_symbol_end ();
7253 if ((strncasecmp (name
, "spnum", 5) == 0))
7255 *input_line_pointer
= c
;
7256 input_line_pointer
++;
7257 spnum
= get_absolute_expression ();
7259 else if ((strncasecmp (name
, "sort", 4) == 0))
7261 *input_line_pointer
= c
;
7262 input_line_pointer
++;
7263 sort
= get_absolute_expression ();
7265 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7267 *input_line_pointer
= c
;
7270 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7272 *input_line_pointer
= c
;
7275 else if ((strncasecmp (name
, "private", 7) == 0))
7277 *input_line_pointer
= c
;
7282 as_bad (_("Invalid .SPACE argument"));
7283 *input_line_pointer
= c
;
7284 if (!is_end_of_statement ())
7285 input_line_pointer
++;
7289 print_errors
= TRUE
;
7292 if (create_flag
&& seg
== NULL
)
7293 seg
= subseg_new (space_name
, 0);
7295 /* If create_flag is nonzero, then create the new space with
7296 the attributes computed above. Else set the values in
7297 an already existing space -- this can only happen for
7298 the first occurrence of a built-in space. */
7300 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7301 private, sort
, seg
, 1);
7304 space
= is_defined_space (space_name
);
7305 SPACE_SPNUM (space
) = spnum
;
7306 SPACE_DEFINED (space
) = defined
& 1;
7307 SPACE_USER_DEFINED (space
) = 1;
7310 #ifdef obj_set_section_attributes
7311 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7317 /* Handle a .SPACE pseudo-op; this switches the current space to the
7318 given space, creating the new space if necessary. */
7322 int unused ATTRIBUTE_UNUSED
;
7324 char *name
, c
, *space_name
, *save_s
;
7325 sd_chain_struct
*sd_chain
;
7327 if (within_procedure
)
7329 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7330 ignore_rest_of_line ();
7334 /* Check for some of the predefined spaces. FIXME: most of the code
7335 below is repeated several times, can we extract the common parts
7336 and place them into a subroutine or something similar? */
7337 /* FIXME Is this (and the next IF stmt) really right?
7338 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7339 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7341 input_line_pointer
+= 6;
7342 sd_chain
= is_defined_space ("$TEXT$");
7343 if (sd_chain
== NULL
)
7344 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7345 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7346 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7348 current_space
= sd_chain
;
7349 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7351 = pa_subsegment_to_subspace (text_section
,
7352 sd_chain
->sd_last_subseg
);
7353 demand_empty_rest_of_line ();
7356 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7358 input_line_pointer
+= 9;
7359 sd_chain
= is_defined_space ("$PRIVATE$");
7360 if (sd_chain
== NULL
)
7361 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7362 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7363 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7365 current_space
= sd_chain
;
7366 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7368 = pa_subsegment_to_subspace (data_section
,
7369 sd_chain
->sd_last_subseg
);
7370 demand_empty_rest_of_line ();
7373 if (!strncasecmp (input_line_pointer
,
7374 GDB_DEBUG_SPACE_NAME
,
7375 strlen (GDB_DEBUG_SPACE_NAME
)))
7377 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7378 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7379 if (sd_chain
== NULL
)
7380 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7381 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7382 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7384 current_space
= sd_chain
;
7387 asection
*gdb_section
7388 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7390 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7392 = pa_subsegment_to_subspace (gdb_section
,
7393 sd_chain
->sd_last_subseg
);
7395 demand_empty_rest_of_line ();
7399 /* It could be a space specified by number. */
7401 save_s
= input_line_pointer
;
7403 pa_parse_number (&input_line_pointer
, 0);
7406 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7408 current_space
= sd_chain
;
7410 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7412 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7413 sd_chain
->sd_last_subseg
);
7414 demand_empty_rest_of_line ();
7419 /* Not a number, attempt to create a new space. */
7421 input_line_pointer
= save_s
;
7422 name
= input_line_pointer
;
7423 c
= get_symbol_end ();
7424 space_name
= xmalloc (strlen (name
) + 1);
7425 strcpy (space_name
, name
);
7426 *input_line_pointer
= c
;
7428 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7429 current_space
= sd_chain
;
7431 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7432 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7433 sd_chain
->sd_last_subseg
);
7434 demand_empty_rest_of_line ();
7438 /* Switch to a new space. (I think). FIXME. */
7442 int unused ATTRIBUTE_UNUSED
;
7447 sd_chain_struct
*space
;
7449 name
= input_line_pointer
;
7450 c
= get_symbol_end ();
7451 space
= is_defined_space (name
);
7455 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7458 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7460 *input_line_pointer
= c
;
7461 demand_empty_rest_of_line ();
7464 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7465 given subspace, creating the new subspace if necessary.
7467 FIXME. Should mirror pa_space more closely, in particular how
7468 they're broken up into subroutines. */
7471 pa_subspace (create_new
)
7474 char *name
, *ss_name
, c
;
7475 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7476 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7477 sd_chain_struct
*space
;
7478 ssd_chain_struct
*ssd
;
7481 if (current_space
== NULL
)
7482 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7484 if (within_procedure
)
7486 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7487 ignore_rest_of_line ();
7491 name
= input_line_pointer
;
7492 c
= get_symbol_end ();
7493 ss_name
= xmalloc (strlen (name
) + 1);
7494 strcpy (ss_name
, name
);
7495 *input_line_pointer
= c
;
7497 /* Load default values. */
7510 space
= current_space
;
7514 ssd
= is_defined_subspace (ss_name
);
7515 /* Allow user to override the builtin attributes of subspaces. But
7516 only allow the attributes to be changed once! */
7517 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7519 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7520 current_subspace
= ssd
;
7521 if (!is_end_of_statement ())
7522 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7523 demand_empty_rest_of_line ();
7528 /* A new subspace. Load default values if it matches one of
7529 the builtin subspaces. */
7531 while (pa_def_subspaces
[i
].name
)
7533 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7535 loadable
= pa_def_subspaces
[i
].loadable
;
7536 comdat
= pa_def_subspaces
[i
].comdat
;
7537 common
= pa_def_subspaces
[i
].common
;
7538 dup_common
= pa_def_subspaces
[i
].dup_common
;
7539 code_only
= pa_def_subspaces
[i
].code_only
;
7540 zero
= pa_def_subspaces
[i
].zero
;
7541 space_index
= pa_def_subspaces
[i
].space_index
;
7542 alignment
= pa_def_subspaces
[i
].alignment
;
7543 quadrant
= pa_def_subspaces
[i
].quadrant
;
7544 access
= pa_def_subspaces
[i
].access
;
7545 sort
= pa_def_subspaces
[i
].sort
;
7552 /* We should be working with a new subspace now. Fill in
7553 any information as specified by the user. */
7554 if (!is_end_of_statement ())
7556 input_line_pointer
++;
7557 while (!is_end_of_statement ())
7559 name
= input_line_pointer
;
7560 c
= get_symbol_end ();
7561 if ((strncasecmp (name
, "quad", 4) == 0))
7563 *input_line_pointer
= c
;
7564 input_line_pointer
++;
7565 quadrant
= get_absolute_expression ();
7567 else if ((strncasecmp (name
, "align", 5) == 0))
7569 *input_line_pointer
= c
;
7570 input_line_pointer
++;
7571 alignment
= get_absolute_expression ();
7572 if (exact_log2 (alignment
) == -1)
7574 as_bad (_("Alignment must be a power of 2"));
7578 else if ((strncasecmp (name
, "access", 6) == 0))
7580 *input_line_pointer
= c
;
7581 input_line_pointer
++;
7582 access
= get_absolute_expression ();
7584 else if ((strncasecmp (name
, "sort", 4) == 0))
7586 *input_line_pointer
= c
;
7587 input_line_pointer
++;
7588 sort
= get_absolute_expression ();
7590 else if ((strncasecmp (name
, "code_only", 9) == 0))
7592 *input_line_pointer
= c
;
7595 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7597 *input_line_pointer
= c
;
7600 else if ((strncasecmp (name
, "comdat", 6) == 0))
7602 *input_line_pointer
= c
;
7605 else if ((strncasecmp (name
, "common", 6) == 0))
7607 *input_line_pointer
= c
;
7610 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7612 *input_line_pointer
= c
;
7615 else if ((strncasecmp (name
, "zero", 4) == 0))
7617 *input_line_pointer
= c
;
7620 else if ((strncasecmp (name
, "first", 5) == 0))
7621 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7623 as_bad (_("Invalid .SUBSPACE argument"));
7624 if (!is_end_of_statement ())
7625 input_line_pointer
++;
7629 /* Compute a reasonable set of BFD flags based on the information
7630 in the .subspace directive. */
7631 applicable
= bfd_applicable_section_flags (stdoutput
);
7634 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7638 /* These flags are used to implement various flavors of initialized
7639 common. The SOM linker discards duplicate subspaces when they
7640 have the same "key" symbol name. This support is more like
7641 GNU linkonce than BFD common. Further, pc-relative relocations
7642 are converted to section relative relocations in BFD common
7643 sections. This complicates the handling of relocations in
7644 common sections containing text and isn't currently supported
7645 correctly in the SOM BFD backend. */
7646 if (comdat
|| common
|| dup_common
)
7647 flags
|= SEC_LINK_ONCE
;
7649 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7651 /* This is a zero-filled subspace (eg BSS). */
7653 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7655 applicable
&= flags
;
7657 /* If this is an existing subspace, then we want to use the
7658 segment already associated with the subspace.
7660 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7661 lots of sections. It might be a problem in the PA ELF
7662 code, I do not know yet. For now avoid creating anything
7663 but the "standard" sections for ELF. */
7665 section
= subseg_force_new (ss_name
, 0);
7667 section
= ssd
->ssd_seg
;
7669 section
= subseg_new (ss_name
, 0);
7672 seg_info (section
)->bss
= 1;
7674 /* Now set the flags. */
7675 bfd_set_section_flags (stdoutput
, section
, applicable
);
7677 /* Record any alignment request for this section. */
7678 record_alignment (section
, exact_log2 (alignment
));
7680 /* Set the starting offset for this section. */
7681 bfd_set_section_vma (stdoutput
, section
,
7682 pa_subspace_start (space
, quadrant
));
7684 /* Now that all the flags are set, update an existing subspace,
7685 or create a new one. */
7688 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7689 code_only
, comdat
, common
,
7690 dup_common
, sort
, zero
, access
,
7691 space_index
, alignment
, quadrant
,
7694 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7695 code_only
, comdat
, common
,
7696 dup_common
, zero
, sort
,
7697 access
, space_index
,
7698 alignment
, quadrant
, section
);
7700 demand_empty_rest_of_line ();
7701 current_subspace
->ssd_seg
= section
;
7702 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7704 SUBSPACE_DEFINED (current_subspace
) = 1;
7707 /* Create default space and subspace dictionaries. */
7714 space_dict_root
= NULL
;
7715 space_dict_last
= NULL
;
7718 while (pa_def_spaces
[i
].name
)
7722 /* Pick the right name to use for the new section. */
7723 name
= pa_def_spaces
[i
].name
;
7725 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7726 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7727 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7728 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7729 pa_def_spaces
[i
].segment
, 0);
7734 while (pa_def_subspaces
[i
].name
)
7737 int applicable
, subsegment
;
7738 asection
*segment
= NULL
;
7739 sd_chain_struct
*space
;
7741 /* Pick the right name for the new section and pick the right
7742 subsegment number. */
7743 name
= pa_def_subspaces
[i
].name
;
7746 /* Create the new section. */
7747 segment
= subseg_new (name
, subsegment
);
7749 /* For SOM we want to replace the standard .text, .data, and .bss
7750 sections with our own. We also want to set BFD flags for
7751 all the built-in subspaces. */
7752 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7754 text_section
= segment
;
7755 applicable
= bfd_applicable_section_flags (stdoutput
);
7756 bfd_set_section_flags (stdoutput
, segment
,
7757 applicable
& (SEC_ALLOC
| SEC_LOAD
7758 | SEC_RELOC
| SEC_CODE
7760 | SEC_HAS_CONTENTS
));
7762 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7764 data_section
= segment
;
7765 applicable
= bfd_applicable_section_flags (stdoutput
);
7766 bfd_set_section_flags (stdoutput
, segment
,
7767 applicable
& (SEC_ALLOC
| SEC_LOAD
7769 | SEC_HAS_CONTENTS
));
7772 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7774 bss_section
= segment
;
7775 applicable
= bfd_applicable_section_flags (stdoutput
);
7776 bfd_set_section_flags (stdoutput
, segment
,
7777 applicable
& SEC_ALLOC
);
7779 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7781 applicable
= bfd_applicable_section_flags (stdoutput
);
7782 bfd_set_section_flags (stdoutput
, segment
,
7783 applicable
& (SEC_ALLOC
| SEC_LOAD
7786 | SEC_HAS_CONTENTS
));
7788 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7790 applicable
= bfd_applicable_section_flags (stdoutput
);
7791 bfd_set_section_flags (stdoutput
, segment
,
7792 applicable
& (SEC_ALLOC
| SEC_LOAD
7795 | SEC_HAS_CONTENTS
));
7797 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7799 applicable
= bfd_applicable_section_flags (stdoutput
);
7800 bfd_set_section_flags (stdoutput
, segment
,
7801 applicable
& (SEC_ALLOC
| SEC_LOAD
7804 | SEC_HAS_CONTENTS
));
7807 /* Find the space associated with this subspace. */
7808 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7809 def_space_index
].segment
);
7812 as_fatal (_("Internal error: Unable to find containing space for %s."),
7813 pa_def_subspaces
[i
].name
);
7816 create_new_subspace (space
, name
,
7817 pa_def_subspaces
[i
].loadable
,
7818 pa_def_subspaces
[i
].code_only
,
7819 pa_def_subspaces
[i
].comdat
,
7820 pa_def_subspaces
[i
].common
,
7821 pa_def_subspaces
[i
].dup_common
,
7822 pa_def_subspaces
[i
].zero
,
7823 pa_def_subspaces
[i
].sort
,
7824 pa_def_subspaces
[i
].access
,
7825 pa_def_subspaces
[i
].space_index
,
7826 pa_def_subspaces
[i
].alignment
,
7827 pa_def_subspaces
[i
].quadrant
,
7833 /* Create a new space NAME, with the appropriate flags as defined
7834 by the given parameters. */
7836 static sd_chain_struct
*
7837 create_new_space (name
, spnum
, loadable
, defined
, private,
7838 sort
, seg
, user_defined
)
7841 int loadable ATTRIBUTE_UNUSED
;
7848 sd_chain_struct
*chain_entry
;
7850 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7852 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7855 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7856 strcpy (SPACE_NAME (chain_entry
), name
);
7857 SPACE_DEFINED (chain_entry
) = defined
;
7858 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7859 SPACE_SPNUM (chain_entry
) = spnum
;
7861 chain_entry
->sd_seg
= seg
;
7862 chain_entry
->sd_last_subseg
= -1;
7863 chain_entry
->sd_subspaces
= NULL
;
7864 chain_entry
->sd_next
= NULL
;
7866 /* Find spot for the new space based on its sort key. */
7867 if (!space_dict_last
)
7868 space_dict_last
= chain_entry
;
7870 if (space_dict_root
== NULL
)
7871 space_dict_root
= chain_entry
;
7874 sd_chain_struct
*chain_pointer
;
7875 sd_chain_struct
*prev_chain_pointer
;
7877 chain_pointer
= space_dict_root
;
7878 prev_chain_pointer
= NULL
;
7880 while (chain_pointer
)
7882 prev_chain_pointer
= chain_pointer
;
7883 chain_pointer
= chain_pointer
->sd_next
;
7886 /* At this point we've found the correct place to add the new
7887 entry. So add it and update the linked lists as appropriate. */
7888 if (prev_chain_pointer
)
7890 chain_entry
->sd_next
= chain_pointer
;
7891 prev_chain_pointer
->sd_next
= chain_entry
;
7895 space_dict_root
= chain_entry
;
7896 chain_entry
->sd_next
= chain_pointer
;
7899 if (chain_entry
->sd_next
== NULL
)
7900 space_dict_last
= chain_entry
;
7903 /* This is here to catch predefined spaces which do not get
7904 modified by the user's input. Another call is found at
7905 the bottom of pa_parse_space_stmt to handle cases where
7906 the user modifies a predefined space. */
7907 #ifdef obj_set_section_attributes
7908 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7914 /* Create a new subspace NAME, with the appropriate flags as defined
7915 by the given parameters.
7917 Add the new subspace to the subspace dictionary chain in numerical
7918 order as defined by the SORT entries. */
7920 static ssd_chain_struct
*
7921 create_new_subspace (space
, name
, loadable
, code_only
, comdat
, common
,
7922 dup_common
, is_zero
, sort
, access
, space_index
,
7923 alignment
, quadrant
, seg
)
7924 sd_chain_struct
*space
;
7926 int loadable ATTRIBUTE_UNUSED
;
7927 int code_only ATTRIBUTE_UNUSED
;
7928 int comdat
, common
, dup_common
;
7929 int is_zero ATTRIBUTE_UNUSED
;
7932 int space_index ATTRIBUTE_UNUSED
;
7933 int alignment ATTRIBUTE_UNUSED
;
7937 ssd_chain_struct
*chain_entry
;
7939 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7941 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7943 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7944 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7946 /* Initialize subspace_defined. When we hit a .subspace directive
7947 we'll set it to 1 which "locks-in" the subspace attributes. */
7948 SUBSPACE_DEFINED (chain_entry
) = 0;
7950 chain_entry
->ssd_subseg
= 0;
7951 chain_entry
->ssd_seg
= seg
;
7952 chain_entry
->ssd_next
= NULL
;
7954 /* Find spot for the new subspace based on its sort key. */
7955 if (space
->sd_subspaces
== NULL
)
7956 space
->sd_subspaces
= chain_entry
;
7959 ssd_chain_struct
*chain_pointer
;
7960 ssd_chain_struct
*prev_chain_pointer
;
7962 chain_pointer
= space
->sd_subspaces
;
7963 prev_chain_pointer
= NULL
;
7965 while (chain_pointer
)
7967 prev_chain_pointer
= chain_pointer
;
7968 chain_pointer
= chain_pointer
->ssd_next
;
7971 /* Now we have somewhere to put the new entry. Insert it and update
7973 if (prev_chain_pointer
)
7975 chain_entry
->ssd_next
= chain_pointer
;
7976 prev_chain_pointer
->ssd_next
= chain_entry
;
7980 space
->sd_subspaces
= chain_entry
;
7981 chain_entry
->ssd_next
= chain_pointer
;
7985 #ifdef obj_set_subsection_attributes
7986 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
, sort
,
7987 quadrant
, comdat
, common
, dup_common
);
7993 /* Update the information for the given subspace based upon the
7994 various arguments. Return the modified subspace chain entry. */
7996 static ssd_chain_struct
*
7997 update_subspace (space
, name
, loadable
, code_only
, comdat
, common
, dup_common
,
7998 sort
, zero
, access
, space_index
, alignment
, quadrant
, section
)
7999 sd_chain_struct
*space
;
8001 int loadable ATTRIBUTE_UNUSED
;
8002 int code_only ATTRIBUTE_UNUSED
;
8006 int zero ATTRIBUTE_UNUSED
;
8009 int space_index ATTRIBUTE_UNUSED
;
8010 int alignment ATTRIBUTE_UNUSED
;
8014 ssd_chain_struct
*chain_entry
;
8016 chain_entry
= is_defined_subspace (name
);
8018 #ifdef obj_set_subsection_attributes
8019 obj_set_subsection_attributes (section
, space
->sd_seg
, access
, sort
,
8020 quadrant
, comdat
, common
, dup_common
);
8026 /* Return the space chain entry for the space with the name NAME or
8027 NULL if no such space exists. */
8029 static sd_chain_struct
*
8030 is_defined_space (name
)
8033 sd_chain_struct
*chain_pointer
;
8035 for (chain_pointer
= space_dict_root
;
8037 chain_pointer
= chain_pointer
->sd_next
)
8039 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
8040 return chain_pointer
;
8043 /* No mapping from segment to space was found. Return NULL. */
8047 /* Find and return the space associated with the given seg. If no mapping
8048 from the given seg to a space is found, then return NULL.
8050 Unlike subspaces, the number of spaces is not expected to grow much,
8051 so a linear exhaustive search is OK here. */
8053 static sd_chain_struct
*
8054 pa_segment_to_space (seg
)
8057 sd_chain_struct
*space_chain
;
8059 /* Walk through each space looking for the correct mapping. */
8060 for (space_chain
= space_dict_root
;
8062 space_chain
= space_chain
->sd_next
)
8064 if (space_chain
->sd_seg
== seg
)
8068 /* Mapping was not found. Return NULL. */
8072 /* Return the first space chain entry for the subspace with the name
8073 NAME or NULL if no such subspace exists.
8075 When there are multiple subspaces with the same name, switching to
8076 the first (i.e., default) subspace is preferable in most situations.
8077 For example, it wouldn't be desirable to merge COMDAT data with non
8080 Uses a linear search through all the spaces and subspaces, this may
8081 not be appropriate if we ever being placing each function in its
8084 static ssd_chain_struct
*
8085 is_defined_subspace (name
)
8088 sd_chain_struct
*space_chain
;
8089 ssd_chain_struct
*subspace_chain
;
8091 /* Walk through each space. */
8092 for (space_chain
= space_dict_root
;
8094 space_chain
= space_chain
->sd_next
)
8096 /* Walk through each subspace looking for a name which matches. */
8097 for (subspace_chain
= space_chain
->sd_subspaces
;
8099 subspace_chain
= subspace_chain
->ssd_next
)
8100 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8101 return subspace_chain
;
8104 /* Subspace wasn't found. Return NULL. */
8108 /* Find and return the subspace associated with the given seg. If no
8109 mapping from the given seg to a subspace is found, then return NULL.
8111 If we ever put each procedure/function within its own subspace
8112 (to make life easier on the compiler and linker), then this will have
8113 to become more efficient. */
8115 static ssd_chain_struct
*
8116 pa_subsegment_to_subspace (seg
, subseg
)
8120 sd_chain_struct
*space_chain
;
8121 ssd_chain_struct
*subspace_chain
;
8123 /* Walk through each space. */
8124 for (space_chain
= space_dict_root
;
8126 space_chain
= space_chain
->sd_next
)
8128 if (space_chain
->sd_seg
== seg
)
8130 /* Walk through each subspace within each space looking for
8131 the correct mapping. */
8132 for (subspace_chain
= space_chain
->sd_subspaces
;
8134 subspace_chain
= subspace_chain
->ssd_next
)
8135 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8136 return subspace_chain
;
8140 /* No mapping from subsegment to subspace found. Return NULL. */
8144 /* Given a number, try and find a space with the name number.
8146 Return a pointer to a space dictionary chain entry for the space
8147 that was found or NULL on failure. */
8149 static sd_chain_struct
*
8150 pa_find_space_by_number (number
)
8153 sd_chain_struct
*space_chain
;
8155 for (space_chain
= space_dict_root
;
8157 space_chain
= space_chain
->sd_next
)
8159 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8163 /* No appropriate space found. Return NULL. */
8167 /* Return the starting address for the given subspace. If the starting
8168 address is unknown then return zero. */
8171 pa_subspace_start (space
, quadrant
)
8172 sd_chain_struct
*space
;
8175 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8176 is not correct for the PA OSF1 port. */
8177 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8179 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8187 /* Helper function for pa_stringer. Used to find the end of
8194 unsigned int c
= *s
& CHAR_MASK
;
8207 /* Handle a .STRING type pseudo-op. */
8210 pa_stringer (append_zero
)
8213 char *s
, num_buf
[4];
8217 /* Preprocess the string to handle PA-specific escape sequences.
8218 For example, \xDD where DD is a hexadecimal number should be
8219 changed to \OOO where OOO is an octal number. */
8222 /* We must have a valid space and subspace. */
8223 pa_check_current_space_and_subspace ();
8226 /* Skip the opening quote. */
8227 s
= input_line_pointer
+ 1;
8229 while (is_a_char (c
= pa_stringer_aux (s
++)))
8236 /* Handle \x<num>. */
8239 unsigned int number
;
8244 /* Get past the 'x'. */
8246 for (num_digit
= 0, number
= 0, dg
= *s
;
8248 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8249 || (dg
>= 'A' && dg
<= 'F'));
8253 number
= number
* 16 + dg
- '0';
8254 else if (dg
>= 'a' && dg
<= 'f')
8255 number
= number
* 16 + dg
- 'a' + 10;
8257 number
= number
* 16 + dg
- 'A' + 10;
8267 sprintf (num_buf
, "%02o", number
);
8270 sprintf (num_buf
, "%03o", number
);
8273 for (i
= 0; i
<= num_digit
; i
++)
8274 s_start
[i
] = num_buf
[i
];
8278 /* This might be a "\"", skip over the escaped char. */
8285 stringer (append_zero
);
8286 pa_undefine_label ();
8289 /* Handle a .VERSION pseudo-op. */
8293 int unused ATTRIBUTE_UNUSED
;
8296 pa_undefine_label ();
8301 /* Handle a .COMPILER pseudo-op. */
8304 pa_compiler (unused
)
8305 int unused ATTRIBUTE_UNUSED
;
8307 obj_som_compiler (0);
8308 pa_undefine_label ();
8313 /* Handle a .COPYRIGHT pseudo-op. */
8316 pa_copyright (unused
)
8317 int unused ATTRIBUTE_UNUSED
;
8320 pa_undefine_label ();
8323 /* Just like a normal cons, but when finished we have to undefine
8324 the latest space label. */
8331 pa_undefine_label ();
8334 /* Like float_cons, but we need to undefine our label. */
8337 pa_float_cons (float_type
)
8340 float_cons (float_type
);
8341 pa_undefine_label ();
8344 /* Like s_fill, but delete our label when finished. */
8348 int unused ATTRIBUTE_UNUSED
;
8351 /* We must have a valid space and subspace. */
8352 pa_check_current_space_and_subspace ();
8356 pa_undefine_label ();
8359 /* Like lcomm, but delete our label when finished. */
8362 pa_lcomm (needs_align
)
8366 /* We must have a valid space and subspace. */
8367 pa_check_current_space_and_subspace ();
8370 s_lcomm (needs_align
);
8371 pa_undefine_label ();
8374 /* Like lsym, but delete our label when finished. */
8378 int unused ATTRIBUTE_UNUSED
;
8381 /* We must have a valid space and subspace. */
8382 pa_check_current_space_and_subspace ();
8386 pa_undefine_label ();
8389 /* On the PA relocations which involve function symbols must not be
8390 adjusted. This so that the linker can know when/how to create argument
8391 relocation stubs for indirect calls and calls to static functions.
8393 "T" field selectors create DLT relative fixups for accessing
8394 globals and statics in PIC code; each DLT relative fixup creates
8395 an entry in the DLT table. The entries contain the address of
8396 the final target (eg accessing "foo" would create a DLT entry
8397 with the address of "foo").
8399 Unfortunately, the HP linker doesn't take into account any addend
8400 when generating the DLT; so accessing $LIT$+8 puts the address of
8401 $LIT$ into the DLT rather than the address of $LIT$+8.
8403 The end result is we can't perform relocation symbol reductions for
8404 any fixup which creates entries in the DLT (eg they use "T" field
8407 Reject reductions involving symbols with external scope; such
8408 reductions make life a living hell for object file editors.
8410 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8411 the code space. The SOM BFD backend doesn't know how to pull the
8412 right bits out of an instruction. */
8415 hppa_fix_adjustable (fixp
)
8421 struct hppa_fix_struct
*hppa_fix
;
8423 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8426 /* Reject reductions of symbols in 32bit relocs unless they
8428 if (fixp
->fx_r_type
== R_HPPA
8429 && hppa_fix
->fx_r_format
== 32
8430 && strncmp (S_GET_NAME (fixp
->fx_addsy
),
8432 strlen (FAKE_LABEL_NAME
)))
8437 /* LR/RR selectors are implicitly used for a number of different relocation
8438 types. We must ensure that none of these types are adjusted (see below)
8439 even if they occur with a different selector. */
8440 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8441 hppa_fix
->fx_r_format
,
8442 hppa_fix
->fx_r_field
);
8446 /* Relocation types which use e_lrsel. */
8447 case R_PARISC_DIR21L
:
8448 case R_PARISC_DLTREL21L
:
8449 case R_PARISC_DPREL21L
:
8450 case R_PARISC_PLTOFF21L
:
8452 /* Relocation types which use e_rrsel. */
8453 case R_PARISC_DIR14R
:
8454 case R_PARISC_DIR14DR
:
8455 case R_PARISC_DIR14WR
:
8456 case R_PARISC_DIR17R
:
8457 case R_PARISC_DLTREL14R
:
8458 case R_PARISC_DLTREL14DR
:
8459 case R_PARISC_DLTREL14WR
:
8460 case R_PARISC_DPREL14R
:
8461 case R_PARISC_DPREL14DR
:
8462 case R_PARISC_DPREL14WR
:
8463 case R_PARISC_PLTOFF14R
:
8464 case R_PARISC_PLTOFF14DR
:
8465 case R_PARISC_PLTOFF14WR
:
8467 /* Other types that we reject for reduction. */
8468 case R_PARISC_GNU_VTENTRY
:
8469 case R_PARISC_GNU_VTINHERIT
:
8476 /* Reject reductions of symbols in sym1-sym2 expressions when
8477 the fixup will occur in a CODE subspace.
8479 XXX FIXME: Long term we probably want to reject all of these;
8480 for example reducing in the debug section would lose if we ever
8481 supported using the optimizing hp linker. */
8484 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8487 /* We can't adjust any relocs that use LR% and RR% field selectors.
8489 If a symbol is reduced to a section symbol, the assembler will
8490 adjust the addend unless the symbol happens to reside right at
8491 the start of the section. Additionally, the linker has no choice
8492 but to manipulate the addends when coalescing input sections for
8493 "ld -r". Since an LR% field selector is defined to round the
8494 addend, we can't change the addend without risking that a LR% and
8495 it's corresponding (possible multiple) RR% field will no longer
8496 sum to the right value.
8499 . ldil LR%foo+0,%r21
8500 . ldw RR%foo+0(%r21),%r26
8501 . ldw RR%foo+4(%r21),%r25
8503 If foo is at address 4092 (decimal) in section `sect', then after
8504 reducing to the section symbol we get
8505 . LR%sect+4092 == (L%sect)+0
8506 . RR%sect+4092 == (R%sect)+4092
8507 . RR%sect+4096 == (R%sect)-4096
8508 and the last address loses because rounding the addend to 8k
8509 multiples takes us up to 8192 with an offset of -4096.
8511 In cases where the LR% expression is identical to the RR% one we
8512 will never have a problem, but is so happens that gcc rounds
8513 addends involved in LR% field selectors to work around a HP
8514 linker bug. ie. We often have addresses like the last case
8515 above where the LR% expression is offset from the RR% one. */
8517 if (hppa_fix
->fx_r_field
== e_lrsel
8518 || hppa_fix
->fx_r_field
== e_rrsel
8519 || hppa_fix
->fx_r_field
== e_nlrsel
)
8522 /* Reject reductions of symbols in DLT relative relocs,
8523 relocations with plabels. */
8524 if (hppa_fix
->fx_r_field
== e_tsel
8525 || hppa_fix
->fx_r_field
== e_ltsel
8526 || hppa_fix
->fx_r_field
== e_rtsel
8527 || hppa_fix
->fx_r_field
== e_psel
8528 || hppa_fix
->fx_r_field
== e_rpsel
8529 || hppa_fix
->fx_r_field
== e_lpsel
)
8532 /* Reject absolute calls (jumps). */
8533 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8536 /* Reject reductions of function symbols. */
8537 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8543 /* Return nonzero if the fixup in FIXP will require a relocation,
8544 even it if appears that the fixup could be completely handled
8548 hppa_force_relocation (fixp
)
8551 struct hppa_fix_struct
*hppa_fixp
;
8553 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8555 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8556 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8557 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8558 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8559 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8560 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8561 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8562 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8566 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8567 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8571 assert (fixp
->fx_addsy
!= NULL
);
8573 /* Ensure we emit a relocation for global symbols so that dynamic
8575 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8578 /* It is necessary to force PC-relative calls/jumps to have a relocation
8579 entry if they're going to need either an argument relocation or long
8582 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8583 hppa_fixp
->fx_arg_reloc
))
8586 /* Now check to see if we're going to need a long-branch stub. */
8587 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8589 long pc
= md_pcrel_from (fixp
);
8590 valueT distance
, min_stub_distance
;
8592 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8594 /* Distance to the closest possible stub. This will detect most
8595 but not all circumstances where a stub will not work. */
8596 min_stub_distance
= pc
+ 16;
8598 if (last_call_info
!= NULL
)
8599 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8602 if ((distance
+ 8388608 >= 16777216
8603 && min_stub_distance
<= 8388608)
8604 || (hppa_fixp
->fx_r_format
== 17
8605 && distance
+ 262144 >= 524288
8606 && min_stub_distance
<= 262144)
8607 || (hppa_fixp
->fx_r_format
== 12
8608 && distance
+ 8192 >= 16384
8609 && min_stub_distance
<= 8192)
8614 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8617 /* No need (yet) to force another relocations to be emitted. */
8621 /* Now for some ELF specific code. FIXME. */
8623 /* Mark the end of a function so that it's possible to compute
8624 the size of the function in elf_hppa_final_processing. */
8627 hppa_elf_mark_end_of_function ()
8629 /* ELF does not have EXIT relocations. All we do is create a
8630 temporary symbol marking the end of the function. */
8633 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8635 /* We have already warned about a missing label,
8636 or other problems. */
8640 name
= (char *) xmalloc (strlen ("L$\001end_")
8641 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8647 strcpy (name
, "L$\001end_");
8648 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8650 /* If we have a .exit followed by a .procend, then the
8651 symbol will have already been defined. */
8652 symbolP
= symbol_find (name
);
8655 /* The symbol has already been defined! This can
8656 happen if we have a .exit followed by a .procend.
8658 This is *not* an error. All we want to do is free
8659 the memory we just allocated for the name and continue. */
8664 /* symbol value should be the offset of the
8665 last instruction of the function */
8666 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8670 S_CLEAR_EXTERNAL (symbolP
);
8671 symbol_table_insert (symbolP
);
8675 last_call_info
->end_symbol
= symbolP
;
8677 as_bad (_("Symbol '%s' could not be created."), name
);
8681 as_bad (_("No memory for symbol name."));
8685 /* For ELF, this function serves one purpose: to setup the st_size
8686 field of STT_FUNC symbols. To do this, we need to scan the
8687 call_info structure list, determining st_size in by taking the
8688 difference in the address of the beginning/end marker symbols. */
8691 elf_hppa_final_processing ()
8693 struct call_info
*call_info_pointer
;
8695 for (call_info_pointer
= call_info_root
;
8697 call_info_pointer
= call_info_pointer
->ci_next
)
8699 elf_symbol_type
*esym
8700 = ((elf_symbol_type
*)
8701 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8702 esym
->internal_elf_sym
.st_size
=
8703 S_GET_VALUE (call_info_pointer
->end_symbol
)
8704 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8709 pa_vtable_entry (ignore
)
8710 int ignore ATTRIBUTE_UNUSED
;
8712 struct fix
*new_fix
;
8714 new_fix
= obj_elf_vtable_entry (0);
8718 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8719 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8720 hppa_fix
->fx_r_type
= R_HPPA
;
8721 hppa_fix
->fx_r_field
= e_fsel
;
8722 hppa_fix
->fx_r_format
= 32;
8723 hppa_fix
->fx_arg_reloc
= 0;
8724 hppa_fix
->segment
= now_seg
;
8725 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8726 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8731 pa_vtable_inherit (ignore
)
8732 int ignore ATTRIBUTE_UNUSED
;
8734 struct fix
*new_fix
;
8736 new_fix
= obj_elf_vtable_inherit (0);
8740 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8741 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8742 hppa_fix
->fx_r_type
= R_HPPA
;
8743 hppa_fix
->fx_r_field
= e_fsel
;
8744 hppa_fix
->fx_r_format
= 32;
8745 hppa_fix
->fx_arg_reloc
= 0;
8746 hppa_fix
->segment
= now_seg
;
8747 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8748 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;