1 /* tc-hppa.c -- Assemble for the PA
2 Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
3 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, 59 Temple Place - Suite 330, Boston, MA
22 /* HP PA-RISC support was contributed by the Center for Software Science
23 at the University of Utah. */
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 "convient" 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
61 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
64 /* ELF objects can have versions, but apparently do not have anywhere
65 to store a copyright string. */
66 #define obj_version obj_elf_version
67 #define obj_copyright obj_elf_version
69 #define UNWIND_SECTION_NAME ".PARISC.unwind"
73 /* Names of various debugging spaces/subspaces. */
74 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
75 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
76 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
77 #define UNWIND_SECTION_NAME "$UNWIND$"
79 /* Object file formats specify relocation types. */
80 typedef int reloc_type
;
82 /* SOM objects can have both a version string and a copyright string. */
83 #define obj_version obj_som_version
84 #define obj_copyright obj_som_copyright
86 /* How to generate a relocation. */
87 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
89 /* Object file formats specify BFD symbol types. */
90 typedef som_symbol_type obj_symbol_type
;
91 #define symbol_arg_reloc_info(sym)\
92 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
94 /* This apparently isn't in older versions of hpux reloc.h. */
96 #define R_DLT_REL 0x78
108 #if TARGET_ARCH_SIZE == 64
109 #define DEFAULT_LEVEL 25
111 #define DEFAULT_LEVEL 10
114 /* Various structures and types used internally in tc-hppa.c. */
116 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
120 unsigned int cannot_unwind
:1;
121 unsigned int millicode
:1;
122 unsigned int millicode_save_rest
:1;
123 unsigned int region_desc
:2;
124 unsigned int save_sr
:2;
125 unsigned int entry_fr
:4;
126 unsigned int entry_gr
:5;
127 unsigned int args_stored
:1;
128 unsigned int call_fr
:5;
129 unsigned int call_gr
:5;
130 unsigned int save_sp
:1;
131 unsigned int save_rp
:1;
132 unsigned int save_rp_in_frame
:1;
133 unsigned int extn_ptr_defined
:1;
134 unsigned int cleanup_defined
:1;
136 unsigned int hpe_interrupt_marker
:1;
137 unsigned int hpux_interrupt_marker
:1;
138 unsigned int reserved
:3;
139 unsigned int frame_size
:27;
142 /* We can't rely on compilers placing bitfields in any particular
143 place, so use these macros when dumping unwind descriptors to
145 #define UNWIND_LOW32(U) \
146 (((U)->cannot_unwind << 31) \
147 | ((U)->millicode << 30) \
148 | ((U)->millicode_save_rest << 29) \
149 | ((U)->region_desc << 27) \
150 | ((U)->save_sr << 25) \
151 | ((U)->entry_fr << 21) \
152 | ((U)->entry_gr << 16) \
153 | ((U)->args_stored << 15) \
154 | ((U)->call_fr << 10) \
155 | ((U)->call_gr << 5) \
156 | ((U)->save_sp << 4) \
157 | ((U)->save_rp << 3) \
158 | ((U)->save_rp_in_frame << 2) \
159 | ((U)->extn_ptr_defined << 1) \
160 | ((U)->cleanup_defined << 0))
162 #define UNWIND_HIGH32(U) \
163 (((U)->hpe_interrupt_marker << 31) \
164 | ((U)->hpux_interrupt_marker << 30) \
165 | ((U)->frame_size << 0))
169 /* Starting and ending offsets of the region described by
171 unsigned int start_offset
;
172 unsigned int end_offset
;
173 struct unwind_desc descriptor
;
176 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
177 control the entry and exit code they generate. It is also used in
178 creation of the correct stack unwind descriptors.
180 NOTE: GAS does not support .enter and .leave for the generation of
181 prologues and epilogues. FIXME.
183 The fields in structure roughly correspond to the arguments available on the
184 .callinfo pseudo-op. */
188 /* The unwind descriptor being built. */
189 struct unwind_table ci_unwind
;
191 /* Name of this function. */
192 symbolS
*start_symbol
;
194 /* (temporary) symbol used to mark the end of this function. */
197 /* Next entry in the chain. */
198 struct call_info
*ci_next
;
201 /* Operand formats for FP instructions. Note not all FP instructions
202 allow all four formats to be used (for example fmpysub only allows
206 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
210 /* This fully describes the symbol types which may be attached to
211 an EXPORT or IMPORT directive. Only SOM uses this formation
212 (ELF has no need for it). */
216 SYMBOL_TYPE_ABSOLUTE
,
220 SYMBOL_TYPE_MILLICODE
,
222 SYMBOL_TYPE_PRI_PROG
,
223 SYMBOL_TYPE_SEC_PROG
,
227 /* This structure contains information needed to assemble
228 individual instructions. */
231 /* Holds the opcode after parsing by pa_ip. */
232 unsigned long opcode
;
234 /* Holds an expression associated with the current instruction. */
237 /* Does this instruction use PC-relative addressing. */
240 /* Floating point formats for operand1 and operand2. */
241 fp_operand_format fpof1
;
242 fp_operand_format fpof2
;
244 /* Whether or not we saw a truncation request on an fcnv insn. */
247 /* Holds the field selector for this instruction
248 (for example L%, LR%, etc). */
251 /* Holds any argument relocation bits associated with this
252 instruction. (instruction should be some sort of call). */
253 unsigned int arg_reloc
;
255 /* The format specification for this instruction. */
258 /* The relocation (if any) associated with this instruction. */
262 /* PA-89 floating point registers are arranged like this:
264 +--------------+--------------+
265 | 0 or 16L | 16 or 16R |
266 +--------------+--------------+
267 | 1 or 17L | 17 or 17R |
268 +--------------+--------------+
276 +--------------+--------------+
277 | 14 or 30L | 30 or 30R |
278 +--------------+--------------+
279 | 15 or 31L | 31 or 31R |
280 +--------------+--------------+ */
282 /* Additional information needed to build argument relocation stubs. */
285 /* The argument relocation specification. */
286 unsigned int arg_reloc
;
288 /* Number of arguments. */
289 unsigned int arg_count
;
293 /* This structure defines an entry in the subspace dictionary
296 struct subspace_dictionary_chain
298 /* Nonzero if this space has been defined by the user code. */
299 unsigned int ssd_defined
;
301 /* Name of this subspace. */
304 /* GAS segment and subsegment associated with this subspace. */
308 /* Next space in the subspace dictionary chain. */
309 struct subspace_dictionary_chain
*ssd_next
;
312 typedef struct subspace_dictionary_chain ssd_chain_struct
;
314 /* This structure defines an entry in the subspace dictionary
317 struct space_dictionary_chain
319 /* Nonzero if this space has been defined by the user code or
320 as a default space. */
321 unsigned int sd_defined
;
323 /* Nonzero if this spaces has been defined by the user code. */
324 unsigned int sd_user_defined
;
326 /* The space number (or index). */
327 unsigned int sd_spnum
;
329 /* The name of this subspace. */
332 /* GAS segment to which this subspace corresponds. */
335 /* Current subsegment number being used. */
338 /* The chain of subspaces contained within this space. */
339 ssd_chain_struct
*sd_subspaces
;
341 /* The next entry in the space dictionary chain. */
342 struct space_dictionary_chain
*sd_next
;
345 typedef struct space_dictionary_chain sd_chain_struct
;
347 /* This structure defines attributes of the default subspace
348 dictionary entries. */
350 struct default_subspace_dict
352 /* Name of the subspace. */
355 /* FIXME. Is this still needed? */
358 /* Nonzero if this subspace is loadable. */
361 /* Nonzero if this subspace contains only code. */
364 /* Nonzero if this is a common subspace. */
367 /* Nonzero if this is a common subspace which allows symbols
368 to be multiply defined. */
371 /* Nonzero if this subspace should be zero filled. */
374 /* Sort key for this subspace. */
377 /* Access control bits for this subspace. Can represent RWX access
378 as well as privilege level changes for gateways. */
381 /* Index of containing space. */
384 /* Alignment (in bytes) of this subspace. */
387 /* Quadrant within space where this subspace should be loaded. */
390 /* An index into the default spaces array. */
393 /* Subsegment associated with this subspace. */
397 /* This structure defines attributes of the default space
398 dictionary entries. */
400 struct default_space_dict
402 /* Name of the space. */
405 /* Space number. It is possible to identify spaces within
406 assembly code numerically! */
409 /* Nonzero if this space is loadable. */
412 /* Nonzero if this space is "defined". FIXME is still needed */
415 /* Nonzero if this space can not be shared. */
418 /* Sort key for this space. */
421 /* Segment associated with this space. */
426 /* Structure for previous label tracking. Needed so that alignments,
427 callinfo declarations, etc can be easily attached to a particular
429 typedef struct label_symbol_struct
431 struct symbol
*lss_label
;
433 sd_chain_struct
*lss_space
;
438 struct label_symbol_struct
*lss_next
;
442 /* Extra information needed to perform fixups (relocations) on the PA. */
443 struct hppa_fix_struct
445 /* The field selector. */
446 enum hppa_reloc_field_selector_type_alt fx_r_field
;
451 /* Format of fixup. */
454 /* Argument relocation bits. */
455 unsigned int fx_arg_reloc
;
457 /* The segment this fixup appears in. */
461 /* Structure to hold information about predefined registers. */
469 /* This structure defines the mapping from a FP condition string
470 to a condition number which can be recorded in an instruction. */
477 /* This structure defines a mapping from a field selector
478 string to a field selector type. */
479 struct selector_entry
485 /* Prototypes for functions local to tc-hppa.c. */
488 static void pa_check_current_space_and_subspace
PARAMS ((void));
491 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
492 static void pa_text
PARAMS ((int));
493 static void pa_data
PARAMS ((int));
494 static void pa_comm
PARAMS ((int));
496 static fp_operand_format pa_parse_fp_format
PARAMS ((char **s
));
497 static void pa_cons
PARAMS ((int));
498 static void pa_float_cons
PARAMS ((int));
499 static void pa_fill
PARAMS ((int));
500 static void pa_lcomm
PARAMS ((int));
501 static void pa_lsym
PARAMS ((int));
502 static void pa_stringer
PARAMS ((int));
503 static void pa_version
PARAMS ((int));
504 static int pa_parse_fp_cmp_cond
PARAMS ((char **));
505 static int get_expression
PARAMS ((char *));
506 static int pa_get_absolute_expression
PARAMS ((struct pa_it
*, char **));
507 static int evaluate_absolute
PARAMS ((struct pa_it
*));
508 static unsigned int pa_build_arg_reloc
PARAMS ((char *));
509 static unsigned int pa_align_arg_reloc
PARAMS ((unsigned int, unsigned int));
510 static int pa_parse_nullif
PARAMS ((char **));
511 static int pa_parse_nonneg_cmpsub_cmpltr
PARAMS ((char **));
512 static int pa_parse_neg_cmpsub_cmpltr
PARAMS ((char **));
513 static int pa_parse_neg_add_cmpltr
PARAMS ((char **));
514 static int pa_parse_nonneg_add_cmpltr
PARAMS ((char **));
515 static int pa_parse_cmpb_64_cmpltr
PARAMS ((char **));
516 static int pa_parse_cmpib_64_cmpltr
PARAMS ((char **));
517 static int pa_parse_addb_64_cmpltr
PARAMS ((char **));
518 static void pa_block
PARAMS ((int));
519 static void pa_brtab
PARAMS ((int));
520 static void pa_try
PARAMS ((int));
521 static void pa_call
PARAMS ((int));
522 static void pa_call_args
PARAMS ((struct call_desc
*));
523 static void pa_callinfo
PARAMS ((int));
524 static void pa_copyright
PARAMS ((int));
525 static void pa_end
PARAMS ((int));
526 static void pa_enter
PARAMS ((int));
527 static void pa_entry
PARAMS ((int));
528 static void pa_equ
PARAMS ((int));
529 static void pa_exit
PARAMS ((int));
530 static void pa_export
PARAMS ((int));
531 static void pa_type_args
PARAMS ((symbolS
*, int));
532 static void pa_import
PARAMS ((int));
533 static void pa_label
PARAMS ((int));
534 static void pa_leave
PARAMS ((int));
535 static void pa_level
PARAMS ((int));
536 static void pa_origin
PARAMS ((int));
537 static void pa_proc
PARAMS ((int));
538 static void pa_procend
PARAMS ((int));
539 static void pa_param
PARAMS ((int));
540 static void pa_undefine_label
PARAMS ((void));
541 static int need_pa11_opcode
PARAMS ((void));
542 static int pa_parse_number
PARAMS ((char **, int));
543 static label_symbol_struct
*pa_get_label
PARAMS ((void));
545 static int log2
PARAMS ((int));
546 static void pa_compiler
PARAMS ((int));
547 static void pa_align
PARAMS ((int));
548 static void pa_space
PARAMS ((int));
549 static void pa_spnum
PARAMS ((int));
550 static void pa_subspace
PARAMS ((int));
551 static sd_chain_struct
*create_new_space
PARAMS ((char *, int, int,
554 static ssd_chain_struct
*create_new_subspace
PARAMS ((sd_chain_struct
*,
559 static ssd_chain_struct
*update_subspace
PARAMS ((sd_chain_struct
*,
560 char *, int, int, int,
564 static sd_chain_struct
*is_defined_space
PARAMS ((char *));
565 static ssd_chain_struct
*is_defined_subspace
PARAMS ((char *));
566 static sd_chain_struct
*pa_segment_to_space
PARAMS ((asection
*));
567 static ssd_chain_struct
*pa_subsegment_to_subspace
PARAMS ((asection
*,
569 static sd_chain_struct
*pa_find_space_by_number
PARAMS ((int));
570 static unsigned int pa_subspace_start
PARAMS ((sd_chain_struct
*, int));
571 static sd_chain_struct
*pa_parse_space_stmt
PARAMS ((char *, int));
572 static int pa_next_subseg
PARAMS ((sd_chain_struct
*));
573 static void pa_spaces_begin
PARAMS ((void));
575 static void pa_ip
PARAMS ((char *));
576 static void fix_new_hppa
PARAMS ((fragS
*, int, int, symbolS
*,
577 offsetT
, expressionS
*, int,
578 bfd_reloc_code_real_type
,
579 enum hppa_reloc_field_selector_type_alt
,
580 int, unsigned int, int));
581 static int is_end_of_statement
PARAMS ((void));
582 static int reg_name_search
PARAMS ((char *));
583 static int pa_chk_field_selector
PARAMS ((char **));
584 static int is_same_frag
PARAMS ((fragS
*, fragS
*));
585 static void process_exit
PARAMS ((void));
586 static unsigned int pa_stringer_aux
PARAMS ((char *));
587 static fp_operand_format pa_parse_fp_cnv_format
PARAMS ((char **s
));
588 static int pa_parse_ftest_gfx_completer
PARAMS ((char **));
591 static void hppa_elf_mark_end_of_function
PARAMS ((void));
592 static void pa_build_unwind_subspace
PARAMS ((struct call_info
*));
593 static void pa_vtable_entry
PARAMS ((int));
594 static void pa_vtable_inherit
PARAMS ((int));
597 /* File and gloally scoped variable declarations. */
600 /* Root and final entry in the space chain. */
601 static sd_chain_struct
*space_dict_root
;
602 static sd_chain_struct
*space_dict_last
;
604 /* The current space and subspace. */
605 static sd_chain_struct
*current_space
;
606 static ssd_chain_struct
*current_subspace
;
609 /* Root of the call_info chain. */
610 static struct call_info
*call_info_root
;
612 /* The last call_info (for functions) structure
613 seen so it can be associated with fixups and
615 static struct call_info
*last_call_info
;
617 /* The last call description (for actual calls). */
618 static struct call_desc last_call_desc
;
620 /* handle of the OPCODE hash table */
621 static struct hash_control
*op_hash
= NULL
;
623 /* Table of pseudo ops for the PA. FIXME -- how many of these
624 are now redundant with the overall GAS and the object file
626 const pseudo_typeS md_pseudo_table
[] =
628 /* align pseudo-ops on the PA specify the actual alignment requested,
629 not the log2 of the requested alignment. */
631 {"align", pa_align
, 8},
634 {"align", s_align_bytes
, 8},
636 {"begin_brtab", pa_brtab
, 1},
637 {"begin_try", pa_try
, 1},
638 {"block", pa_block
, 1},
639 {"blockz", pa_block
, 0},
640 {"byte", pa_cons
, 1},
641 {"call", pa_call
, 0},
642 {"callinfo", pa_callinfo
, 0},
643 #if defined (OBJ_ELF) && defined (TE_LINUX)
644 {"code", obj_elf_text
, 0},
646 {"code", pa_text
, 0},
647 {"comm", pa_comm
, 0},
650 {"compiler", pa_compiler
, 0},
652 {"copyright", pa_copyright
, 0},
653 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
654 {"data", pa_data
, 0},
656 {"double", pa_float_cons
, 'd'},
657 {"dword", pa_cons
, 8},
659 {"end_brtab", pa_brtab
, 0},
660 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
661 {"end_try", pa_try
, 0},
663 {"enter", pa_enter
, 0},
664 {"entry", pa_entry
, 0},
666 {"exit", pa_exit
, 0},
667 {"export", pa_export
, 0},
669 {"file", dwarf2_directive_file
, 0 },
671 {"fill", pa_fill
, 0},
672 {"float", pa_float_cons
, 'f'},
673 {"half", pa_cons
, 2},
674 {"import", pa_import
, 0},
676 {"label", pa_label
, 0},
677 {"lcomm", pa_lcomm
, 0},
678 {"leave", pa_leave
, 0},
679 {"level", pa_level
, 0},
681 {"loc", dwarf2_directive_loc
, 0 },
683 {"long", pa_cons
, 4},
684 {"lsym", pa_lsym
, 0},
686 {"nsubspa", pa_subspace
, 1},
688 {"octa", pa_cons
, 16},
689 {"org", pa_origin
, 0},
690 {"origin", pa_origin
, 0},
691 {"param", pa_param
, 0},
692 {"proc", pa_proc
, 0},
693 {"procend", pa_procend
, 0},
694 {"quad", pa_cons
, 8},
696 {"short", pa_cons
, 2},
697 {"single", pa_float_cons
, 'f'},
699 {"space", pa_space
, 0},
700 {"spnum", pa_spnum
, 0},
702 {"string", pa_stringer
, 0},
703 {"stringz", pa_stringer
, 1},
705 {"subspa", pa_subspace
, 0},
707 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
708 {"text", pa_text
, 0},
710 {"version", pa_version
, 0},
712 {"vtable_entry", pa_vtable_entry
, 0},
713 {"vtable_inherit", pa_vtable_inherit
, 0},
715 {"word", pa_cons
, 4},
719 /* This array holds the chars that only start a comment at the beginning of
720 a line. If the line seems to have the form '# 123 filename'
721 .line and .file directives will appear in the pre-processed output.
723 Note that input_file.c hand checks for '#' at the beginning of the
724 first line of the input file. This is because the compiler outputs
725 #NO_APP at the beginning of its output.
727 Also note that C style comments will always work. */
728 const char line_comment_chars
[] = "#";
730 /* This array holds the chars that always start a comment. If the
731 pre-processor is disabled, these aren't very useful. */
732 const char comment_chars
[] = ";";
734 /* This array holds the characters which act as line separators. */
735 const char line_separator_chars
[] = "!";
737 /* Chars that can be used to separate mant from exp in floating point nums. */
738 const char EXP_CHARS
[] = "eE";
740 /* Chars that mean this number is a floating point constant.
741 As in 0f12.456 or 0d1.2345e12.
743 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
744 changed in read.c. Ideally it shouldn't hae to know abou it at
745 all, but nothing is ideal around here. */
746 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
748 static struct pa_it the_insn
;
750 /* Points to the end of an expression just parsed by get_expressoin
751 and friends. FIXME. This shouldn't be handled with a file-global
753 static char *expr_end
;
755 /* Nonzero if a .callinfo appeared within the current procedure. */
756 static int callinfo_found
;
758 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
759 static int within_entry_exit
;
761 /* Nonzero if the assembler is currently within a procedure definition. */
762 static int within_procedure
;
764 /* Handle on structure which keep track of the last symbol
765 seen in each subspace. */
766 static label_symbol_struct
*label_symbols_rootp
= NULL
;
768 /* Holds the last field selector. */
769 static int hppa_field_selector
;
771 /* Nonzero when strict syntax checking is enabled. Zero otherwise.
773 Each opcode in the table has a flag which indicates whether or not
774 strict syntax checking should be enabled for that instruction. */
775 static int strict
= 0;
777 /* pa_parse_number returns values in `pa_number'. Mostly
778 pa_parse_number is used to return a register number, with floating
779 point registers being numbered from FP_REG_BASE upwards.
780 The bit specified with FP_REG_RSEL is set if the floating point
781 register has a `r' suffix. */
782 #define FP_REG_BASE 64
783 #define FP_REG_RSEL 128
784 static int pa_number
;
787 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
788 static symbolS
*dummy_symbol
;
791 /* Nonzero if errors are to be printed. */
792 static int print_errors
= 1;
794 /* List of registers that are pre-defined:
796 Each general register has one predefined name of the form
797 %r<REGNUM> which has the value <REGNUM>.
799 Space and control registers are handled in a similar manner,
800 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
802 Likewise for the floating point registers, but of the form
803 %fr<REGNUM>. Floating point registers have additional predefined
804 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
805 again have the value <REGNUM>.
807 Many registers also have synonyms:
809 %r26 - %r23 have %arg0 - %arg3 as synonyms
810 %r28 - %r29 have %ret0 - %ret1 as synonyms
811 %r30 has %sp as a synonym
812 %r27 has %dp as a synonym
813 %r2 has %rp as a synonym
815 Almost every control register has a synonym; they are not listed
818 The table is sorted. Suitable for searching by a binary search. */
820 static const struct pd_reg pre_defined_registers
[] =
854 {"%fr0", 0 + FP_REG_BASE
},
855 {"%fr0l", 0 + FP_REG_BASE
},
856 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
857 {"%fr1", 1 + FP_REG_BASE
},
858 {"%fr10", 10 + FP_REG_BASE
},
859 {"%fr10l", 10 + FP_REG_BASE
},
860 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
861 {"%fr11", 11 + FP_REG_BASE
},
862 {"%fr11l", 11 + FP_REG_BASE
},
863 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
864 {"%fr12", 12 + FP_REG_BASE
},
865 {"%fr12l", 12 + FP_REG_BASE
},
866 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
867 {"%fr13", 13 + FP_REG_BASE
},
868 {"%fr13l", 13 + FP_REG_BASE
},
869 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
870 {"%fr14", 14 + FP_REG_BASE
},
871 {"%fr14l", 14 + FP_REG_BASE
},
872 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
873 {"%fr15", 15 + FP_REG_BASE
},
874 {"%fr15l", 15 + FP_REG_BASE
},
875 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
876 {"%fr16", 16 + FP_REG_BASE
},
877 {"%fr16l", 16 + FP_REG_BASE
},
878 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
879 {"%fr17", 17 + FP_REG_BASE
},
880 {"%fr17l", 17 + FP_REG_BASE
},
881 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
882 {"%fr18", 18 + FP_REG_BASE
},
883 {"%fr18l", 18 + FP_REG_BASE
},
884 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
885 {"%fr19", 19 + FP_REG_BASE
},
886 {"%fr19l", 19 + FP_REG_BASE
},
887 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
888 {"%fr1l", 1 + FP_REG_BASE
},
889 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
890 {"%fr2", 2 + FP_REG_BASE
},
891 {"%fr20", 20 + FP_REG_BASE
},
892 {"%fr20l", 20 + FP_REG_BASE
},
893 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
894 {"%fr21", 21 + FP_REG_BASE
},
895 {"%fr21l", 21 + FP_REG_BASE
},
896 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
897 {"%fr22", 22 + FP_REG_BASE
},
898 {"%fr22l", 22 + FP_REG_BASE
},
899 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
900 {"%fr23", 23 + FP_REG_BASE
},
901 {"%fr23l", 23 + FP_REG_BASE
},
902 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
903 {"%fr24", 24 + FP_REG_BASE
},
904 {"%fr24l", 24 + FP_REG_BASE
},
905 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
906 {"%fr25", 25 + FP_REG_BASE
},
907 {"%fr25l", 25 + FP_REG_BASE
},
908 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
909 {"%fr26", 26 + FP_REG_BASE
},
910 {"%fr26l", 26 + FP_REG_BASE
},
911 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
912 {"%fr27", 27 + FP_REG_BASE
},
913 {"%fr27l", 27 + FP_REG_BASE
},
914 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
915 {"%fr28", 28 + FP_REG_BASE
},
916 {"%fr28l", 28 + FP_REG_BASE
},
917 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
918 {"%fr29", 29 + FP_REG_BASE
},
919 {"%fr29l", 29 + FP_REG_BASE
},
920 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
921 {"%fr2l", 2 + FP_REG_BASE
},
922 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
923 {"%fr3", 3 + FP_REG_BASE
},
924 {"%fr30", 30 + FP_REG_BASE
},
925 {"%fr30l", 30 + FP_REG_BASE
},
926 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
927 {"%fr31", 31 + FP_REG_BASE
},
928 {"%fr31l", 31 + FP_REG_BASE
},
929 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
930 {"%fr3l", 3 + FP_REG_BASE
},
931 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
932 {"%fr4", 4 + FP_REG_BASE
},
933 {"%fr4l", 4 + FP_REG_BASE
},
934 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
935 {"%fr5", 5 + FP_REG_BASE
},
936 {"%fr5l", 5 + FP_REG_BASE
},
937 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
938 {"%fr6", 6 + FP_REG_BASE
},
939 {"%fr6l", 6 + FP_REG_BASE
},
940 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
941 {"%fr7", 7 + FP_REG_BASE
},
942 {"%fr7l", 7 + FP_REG_BASE
},
943 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
944 {"%fr8", 8 + FP_REG_BASE
},
945 {"%fr8l", 8 + FP_REG_BASE
},
946 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
947 {"%fr9", 9 + FP_REG_BASE
},
948 {"%fr9l", 9 + FP_REG_BASE
},
949 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
957 #if TARGET_ARCH_SIZE == 64
1025 /* This table is sorted by order of the length of the string. This is
1026 so we check for <> before we check for <. If we had a <> and checked
1027 for < first, we would get a false match. */
1028 static const struct fp_cond_map fp_cond_map
[] =
1064 static const struct selector_entry selector_table
[] =
1089 /* default space and subspace dictionaries */
1091 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1092 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1094 /* pre-defined subsegments (subspaces) for the HPPA. */
1095 #define SUBSEG_CODE 0
1096 #define SUBSEG_LIT 1
1097 #define SUBSEG_MILLI 2
1098 #define SUBSEG_DATA 0
1099 #define SUBSEG_BSS 2
1100 #define SUBSEG_UNWIND 3
1101 #define SUBSEG_GDB_STRINGS 0
1102 #define SUBSEG_GDB_SYMBOLS 1
1104 static struct default_subspace_dict pa_def_subspaces
[] =
1106 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1107 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1108 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1109 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1110 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1111 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1114 static struct default_space_dict pa_def_spaces
[] =
1116 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1117 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1118 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1121 /* Misc local definitions used by the assembler. */
1123 /* These macros are used to maintain spaces/subspaces. */
1124 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1125 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1126 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1127 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1129 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1130 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1133 /* Return nonzero if the string pointed to by S potentially represents
1134 a right or left half of a FP register */
1135 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1136 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1138 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1139 main loop after insertion. */
1141 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1143 ((OPCODE) |= (FIELD) << (START)); \
1147 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1148 IGNORE is used to suppress the error message. */
1150 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1152 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1155 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1161 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1162 the current file and line number are not valid. */
1164 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1166 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1168 as_bad_where ((FILENAME), (LINE), \
1169 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1175 /* Simple alignment checking for FIELD againt ALIGN (a power of two).
1176 IGNORE is used to suppress the error message. */
1178 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1180 if ((FIELD) & ((ALIGN) - 1)) \
1183 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1189 #define is_DP_relative(exp) \
1190 ((exp).X_op == O_subtract \
1191 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1193 #define is_PC_relative(exp) \
1194 ((exp).X_op == O_subtract \
1195 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1197 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1198 always be able to reduce the expression to a constant, so we don't
1199 need real complex handling yet. */
1200 #define is_complex(exp) \
1201 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1203 /* Actual functions to implement the PA specific code for the assembler. */
1205 /* Called before writing the object file. Make sure entry/exit and
1206 proc/procend pairs match. */
1211 if (within_entry_exit
)
1212 as_fatal (_("Missing .exit\n"));
1214 if (within_procedure
)
1215 as_fatal (_("Missing .procend\n"));
1218 /* Returns a pointer to the label_symbol_struct for the current space.
1219 or NULL if no label_symbol_struct exists for the current space. */
1221 static label_symbol_struct
*
1224 label_symbol_struct
*label_chain
;
1226 for (label_chain
= label_symbols_rootp
;
1228 label_chain
= label_chain
->lss_next
)
1231 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1235 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1243 /* Defines a label for the current space. If one is already defined,
1244 this function will replace it with the new label. */
1247 pa_define_label (symbol
)
1250 label_symbol_struct
*label_chain
= pa_get_label ();
1253 label_chain
->lss_label
= symbol
;
1256 /* Create a new label entry and add it to the head of the chain. */
1258 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1259 label_chain
->lss_label
= symbol
;
1261 label_chain
->lss_space
= current_space
;
1264 label_chain
->lss_segment
= now_seg
;
1266 label_chain
->lss_next
= NULL
;
1268 if (label_symbols_rootp
)
1269 label_chain
->lss_next
= label_symbols_rootp
;
1271 label_symbols_rootp
= label_chain
;
1275 /* Removes a label definition for the current space.
1276 If there is no label_symbol_struct entry, then no action is taken. */
1279 pa_undefine_label ()
1281 label_symbol_struct
*label_chain
;
1282 label_symbol_struct
*prev_label_chain
= NULL
;
1284 for (label_chain
= label_symbols_rootp
;
1286 label_chain
= label_chain
->lss_next
)
1290 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1293 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1297 /* Remove the label from the chain and free its memory. */
1298 if (prev_label_chain
)
1299 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1301 label_symbols_rootp
= label_chain
->lss_next
;
1306 prev_label_chain
= label_chain
;
1310 /* An HPPA-specific version of fix_new. This is required because the HPPA
1311 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1312 results in the creation of an instance of an hppa_fix_struct. An
1313 hppa_fix_struct stores the extra information along with a pointer to the
1314 original fixS. This is attached to the original fixup via the
1315 tc_fix_data field. */
1318 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1319 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1323 symbolS
*add_symbol
;
1327 bfd_reloc_code_real_type r_type
;
1328 enum hppa_reloc_field_selector_type_alt r_field
;
1330 unsigned int arg_reloc
;
1331 int unwind_bits ATTRIBUTE_UNUSED
;
1335 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1336 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1339 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1341 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1342 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1343 hppa_fix
->fx_r_type
= r_type
;
1344 hppa_fix
->fx_r_field
= r_field
;
1345 hppa_fix
->fx_r_format
= r_format
;
1346 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1347 hppa_fix
->segment
= now_seg
;
1349 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1350 new_fix
->fx_offset
= unwind_bits
;
1353 /* foo-$global$ is used to access non-automatic storage. $global$
1354 is really just a marker and has served its purpose, so eliminate
1355 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1356 if (new_fix
->fx_subsy
1357 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1358 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0))
1359 new_fix
->fx_subsy
= NULL
;
1362 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1363 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1366 parse_cons_expression_hppa (exp
)
1369 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1373 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1374 hppa_field_selector is set by the parse_cons_expression_hppa. */
1377 cons_fix_new_hppa (frag
, where
, size
, exp
)
1383 unsigned int rel_type
;
1385 /* Get a base relocation type. */
1386 if (is_DP_relative (*exp
))
1387 rel_type
= R_HPPA_GOTOFF
;
1388 else if (is_complex (*exp
))
1389 rel_type
= R_HPPA_COMPLEX
;
1393 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1395 as_warn (_("Invalid field selector. Assuming F%%."));
1396 hppa_field_selector
= e_fsel
;
1399 fix_new_hppa (frag
, where
, size
,
1400 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1401 hppa_field_selector
, size
* 8, 0, 0);
1403 /* Reset field selector to its default state. */
1404 hppa_field_selector
= 0;
1407 /* This function is called once, at assembler startup time. It should
1408 set up all the tables, etc. that the MD part of the assembler will need. */
1413 const char *retval
= NULL
;
1417 last_call_info
= NULL
;
1418 call_info_root
= NULL
;
1420 /* Set the default machine type. */
1421 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
1422 as_warn (_("could not set architecture and machine"));
1424 /* Folding of text and data segments fails miserably on the PA.
1425 Warn user and disable "-R" option. */
1426 if (flag_readonly_data_in_text
)
1428 as_warn (_("-R option not supported on this target."));
1429 flag_readonly_data_in_text
= 0;
1436 op_hash
= hash_new ();
1438 while (i
< NUMOPCODES
)
1440 const char *name
= pa_opcodes
[i
].name
;
1441 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1442 if (retval
!= NULL
&& *retval
!= '\0')
1444 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1449 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1450 != pa_opcodes
[i
].match
)
1452 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1453 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1458 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1462 as_fatal (_("Broken assembler. No assembly attempted."));
1465 /* SOM will change text_section. To make sure we never put
1466 anything into the old one switch to the new one now. */
1467 subseg_set (text_section
, 0);
1471 dummy_symbol
= symbol_find_or_make ("L$dummy");
1472 S_SET_SEGMENT (dummy_symbol
, text_section
);
1473 /* Force the symbol to be converted to a real symbol. */
1474 (void) symbol_get_bfdsym (dummy_symbol
);
1478 /* Assemble a single instruction storing it into a frag. */
1485 /* The had better be something to assemble. */
1488 /* If we are within a procedure definition, make sure we've
1489 defined a label for the procedure; handle case where the
1490 label was defined after the .PROC directive.
1492 Note there's not need to diddle with the segment or fragment
1493 for the label symbol in this case. We have already switched
1494 into the new $CODE$ subspace at this point. */
1495 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1497 label_symbol_struct
*label_symbol
= pa_get_label ();
1501 if (label_symbol
->lss_label
)
1503 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1504 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1507 /* Also handle allocation of a fixup to hold the unwind
1508 information when the label appears after the proc/procend. */
1509 if (within_entry_exit
)
1514 where
= frag_more (0);
1515 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
1516 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1517 NULL
, (offsetT
) 0, NULL
,
1518 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
1523 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1526 as_bad (_("Missing function name for .PROC"));
1529 /* Assemble the instruction. Results are saved into "the_insn". */
1532 /* Get somewhere to put the assembled instrution. */
1535 /* Output the opcode. */
1536 md_number_to_chars (to
, the_insn
.opcode
, 4);
1538 /* If necessary output more stuff. */
1539 if (the_insn
.reloc
!= R_HPPA_NONE
)
1540 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1541 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1542 the_insn
.reloc
, the_insn
.field_selector
,
1543 the_insn
.format
, the_insn
.arg_reloc
, 0);
1546 dwarf2_emit_insn (4);
1550 /* Do the real work for assembling a single instruction. Store results
1551 into the global "the_insn" variable. */
1557 char *error_message
= "";
1558 char *s
, c
, *argstart
, *name
, *save_s
;
1562 int cmpltr
, nullif
, flag
, cond
, num
;
1563 unsigned long opcode
;
1564 struct pa_opcode
*insn
;
1567 /* We must have a valid space and subspace. */
1568 pa_check_current_space_and_subspace ();
1571 /* Convert everything up to the first whitespace character into lower
1573 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1577 /* Skip to something interesting. */
1578 for (s
= str
; isupper (*s
) || islower (*s
) || (*s
>= '0' && *s
<= '3'); ++s
)
1597 as_fatal (_("Unknown opcode: `%s'"), str
);
1600 /* Look up the opcode in the has table. */
1601 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1603 as_bad ("Unknown opcode: `%s'", str
);
1612 /* Mark the location where arguments for the instruction start, then
1613 start processing them. */
1617 /* Do some initialization. */
1618 opcode
= insn
->match
;
1619 strict
= (insn
->flags
& FLAG_STRICT
);
1620 memset (&the_insn
, 0, sizeof (the_insn
));
1622 the_insn
.reloc
= R_HPPA_NONE
;
1624 /* If this instruction is specific to a particular architecture,
1625 then set a new architecture. */
1626 /* But do not automatically promote to pa2.0. The automatic promotion
1627 crud is for compatability with HP's old assemblers only. */
1629 && bfd_get_mach (stdoutput
) < insn
->arch
)
1631 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1632 as_warn (_("could not update architecture and machine"));
1634 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1640 /* Build the opcode, checking as we go to make
1641 sure that the operands match. */
1642 for (args
= insn
->args
;; ++args
)
1644 /* Absorb white space in instruction. */
1645 while (*s
== ' ' || *s
== '\t')
1651 /* End of arguments. */
1667 /* These must match exactly. */
1676 /* Handle a 5 bit register or control register field at 10. */
1679 if (!pa_parse_number (&s
, 0))
1682 CHECK_FIELD (num
, 31, 0, 0);
1683 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1685 /* Handle %sar or %cr11. No bits get set, we just verify that it
1688 /* Skip whitespace before register. */
1689 while (*s
== ' ' || *s
== '\t')
1692 if (!strncasecmp (s
, "%sar", 4))
1697 else if (!strncasecmp (s
, "%cr11", 5))
1704 /* Handle a 5 bit register field at 15. */
1706 if (!pa_parse_number (&s
, 0))
1709 CHECK_FIELD (num
, 31, 0, 0);
1710 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1712 /* Handle a 5 bit register field at 31. */
1714 if (!pa_parse_number (&s
, 0))
1717 CHECK_FIELD (num
, 31, 0, 0);
1718 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1720 /* Handle a 5 bit register field at 10 and 15. */
1722 if (!pa_parse_number (&s
, 0))
1725 CHECK_FIELD (num
, 31, 0, 0);
1726 opcode
|= num
<< 16;
1727 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1729 /* Handle a 5 bit field length at 31. */
1731 num
= pa_get_absolute_expression (&the_insn
, &s
);
1732 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1735 CHECK_FIELD (num
, 32, 1, 0);
1736 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1738 /* Handle a 5 bit immediate at 15. */
1740 num
= pa_get_absolute_expression (&the_insn
, &s
);
1741 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1744 /* When in strict mode, we want to just reject this
1745 match instead of giving an out of range error. */
1746 CHECK_FIELD (num
, 15, -16, strict
);
1747 num
= low_sign_unext (num
, 5);
1748 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1750 /* Handle a 5 bit immediate at 31. */
1752 num
= pa_get_absolute_expression (&the_insn
, &s
);
1753 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1756 /* When in strict mode, we want to just reject this
1757 match instead of giving an out of range error. */
1758 CHECK_FIELD (num
, 15, -16, strict
);
1759 num
= low_sign_unext (num
, 5);
1760 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1762 /* Handle an unsigned 5 bit immediate at 31. */
1764 num
= pa_get_absolute_expression (&the_insn
, &s
);
1765 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1768 CHECK_FIELD (num
, 31, 0, strict
);
1769 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1771 /* Handle an unsigned 5 bit immediate at 15. */
1773 num
= pa_get_absolute_expression (&the_insn
, &s
);
1774 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1777 CHECK_FIELD (num
, 31, 0, strict
);
1778 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1780 /* Handle an unsigned 10 bit immediate at 15. */
1782 num
= pa_get_absolute_expression (&the_insn
, &s
);
1783 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1786 CHECK_FIELD (num
, 1023, 0, strict
);
1787 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1789 /* Handle a 2 bit space identifier at 17. */
1791 if (!pa_parse_number (&s
, 0))
1794 CHECK_FIELD (num
, 3, 0, 1);
1795 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1797 /* Handle a 3 bit space identifier at 18. */
1799 if (!pa_parse_number (&s
, 0))
1802 CHECK_FIELD (num
, 7, 0, 1);
1803 opcode
|= re_assemble_3 (num
);
1806 /* Handle all completers. */
1811 /* Handle a completer for an indexing load or store. */
1817 while (*s
== ',' && i
< 2)
1820 if (strncasecmp (s
, "sm", 2) == 0)
1827 else if (strncasecmp (s
, "m", 1) == 0)
1829 else if ((strncasecmp (s
, "s ", 2) == 0)
1830 || (strncasecmp (s
, "s,", 2) == 0))
1832 /* When in strict mode this is a match failure. */
1839 as_bad (_("Invalid Indexed Load Completer."));
1844 as_bad (_("Invalid Indexed Load Completer Syntax."));
1846 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1849 /* Handle a short load/store completer. */
1861 if (strncasecmp (s
, "ma", 2) == 0)
1867 else if (strncasecmp (s
, "mb", 2) == 0)
1874 /* When in strict mode, pass through for cache op. */
1875 if (!found
&& strict
)
1880 as_bad (_("Invalid Short Load/Store Completer."));
1884 /* If we did not get a ma/mb completer, then we do not
1885 consider this a positive match for 'ce'. */
1886 else if (*args
== 'e')
1889 /* 'J', 'm' and 'q' are the same, except for where they
1890 encode the before/after field. */
1894 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1896 else if (*args
== 'q')
1899 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1901 else if (*args
== 'J')
1903 /* M bit is explicit in the major opcode. */
1904 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1906 else if (*args
== 'e')
1908 /* Stash the ma/mb flag temporarily in the
1909 instruction. We will use (and remove it)
1910 later when handling 'J', 'K', '<' & '>'. */
1916 /* Handle a stbys completer. */
1922 while (*s
== ',' && i
< 2)
1925 if (strncasecmp (s
, "m", 1) == 0)
1927 else if ((strncasecmp (s
, "b ", 2) == 0)
1928 || (strncasecmp (s
, "b,", 2) == 0))
1930 else if (strncasecmp (s
, "e", 1) == 0)
1932 /* When in strict mode this is a match failure. */
1939 as_bad (_("Invalid Store Bytes Short Completer"));
1944 as_bad (_("Invalid Store Bytes Short Completer"));
1946 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1949 /* Handle load cache hint completer. */
1952 if (!strncmp (s
, ",sl", 3))
1957 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1959 /* Handle store cache hint completer. */
1962 if (!strncmp (s
, ",sl", 3))
1967 else if (!strncmp (s
, ",bc", 3))
1972 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1974 /* Handle load and clear cache hint completer. */
1977 if (!strncmp (s
, ",co", 3))
1982 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1984 /* Handle load ordering completer. */
1986 if (strncmp (s
, ",o", 2) != 0)
1991 /* Handle a branch gate completer. */
1993 if (strncasecmp (s
, ",gate", 5) != 0)
1998 /* Handle a branch link and push completer. */
2000 if (strncasecmp (s
, ",l,push", 7) != 0)
2005 /* Handle a branch link completer. */
2007 if (strncasecmp (s
, ",l", 2) != 0)
2012 /* Handle a branch pop completer. */
2014 if (strncasecmp (s
, ",pop", 4) != 0)
2019 /* Handle a local processor completer. */
2021 if (strncasecmp (s
, ",l", 2) != 0)
2026 /* Handle a PROBE read/write completer. */
2029 if (!strncasecmp (s
, ",w", 2))
2034 else if (!strncasecmp (s
, ",r", 2))
2040 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2042 /* Handle MFCTL wide completer. */
2044 if (strncasecmp (s
, ",w", 2) != 0)
2049 /* Handle an RFI restore completer. */
2052 if (!strncasecmp (s
, ",r", 2))
2058 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2060 /* Handle a system control completer. */
2062 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2070 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2072 /* Handle intermediate/final completer for DCOR. */
2075 if (!strncasecmp (s
, ",i", 2))
2081 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2083 /* Handle zero/sign extension completer. */
2086 if (!strncasecmp (s
, ",z", 2))
2092 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2094 /* Handle add completer. */
2097 if (!strncasecmp (s
, ",l", 2))
2102 else if (!strncasecmp (s
, ",tsv", 4))
2108 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2110 /* Handle 64 bit carry for ADD. */
2113 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2114 !strncasecmp (s
, ",tsv,dc", 7))
2119 else if (!strncasecmp (s
, ",dc", 3))
2127 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2129 /* Handle 32 bit carry for ADD. */
2132 if (!strncasecmp (s
, ",c,tsv", 6) ||
2133 !strncasecmp (s
, ",tsv,c", 6))
2138 else if (!strncasecmp (s
, ",c", 2))
2146 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2148 /* Handle trap on signed overflow. */
2151 if (!strncasecmp (s
, ",tsv", 4))
2157 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2159 /* Handle trap on condition and overflow. */
2162 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2163 !strncasecmp (s
, ",tsv,tc", 7))
2168 else if (!strncasecmp (s
, ",tc", 3))
2176 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2178 /* Handle 64 bit borrow for SUB. */
2181 if (!strncasecmp (s
, ",db,tsv", 7) ||
2182 !strncasecmp (s
, ",tsv,db", 7))
2187 else if (!strncasecmp (s
, ",db", 3))
2195 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2197 /* Handle 32 bit borrow for SUB. */
2200 if (!strncasecmp (s
, ",b,tsv", 6) ||
2201 !strncasecmp (s
, ",tsv,b", 6))
2206 else if (!strncasecmp (s
, ",b", 2))
2214 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2216 /* Handle trap condition completer for UADDCM. */
2219 if (!strncasecmp (s
, ",tc", 3))
2225 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2227 /* Handle signed/unsigned at 21. */
2231 if (strncasecmp (s
, ",s", 2) == 0)
2236 else if (strncasecmp (s
, ",u", 2) == 0)
2242 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2245 /* Handle left/right combination at 17:18. */
2255 as_bad (_("Invalid left/right combination completer"));
2258 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2261 as_bad (_("Invalid left/right combination completer"));
2264 /* Handle saturation at 24:25. */
2268 if (strncasecmp (s
, ",ss", 3) == 0)
2273 else if (strncasecmp (s
, ",us", 3) == 0)
2279 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2282 /* Handle permutation completer. */
2310 as_bad (_("Invalid permutation completer"));
2312 opcode
|= perm
<< permloc
[i
];
2317 as_bad (_("Invalid permutation completer"));
2325 /* Handle all conditions. */
2331 /* Handle FP compare conditions. */
2333 cond
= pa_parse_fp_cmp_cond (&s
);
2334 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2336 /* Handle an add condition. */
2345 /* 64 bit conditions. */
2358 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2362 if (strcmp (name
, "=") == 0)
2364 else if (strcmp (name
, "<") == 0)
2366 else if (strcmp (name
, "<=") == 0)
2368 else if (strcasecmp (name
, "nuv") == 0)
2370 else if (strcasecmp (name
, "znv") == 0)
2372 else if (strcasecmp (name
, "sv") == 0)
2374 else if (strcasecmp (name
, "od") == 0)
2376 else if (strcasecmp (name
, "tr") == 0)
2381 else if (strcmp (name
, "<>") == 0)
2386 else if (strcmp (name
, ">=") == 0)
2391 else if (strcmp (name
, ">") == 0)
2396 else if (strcasecmp (name
, "uv") == 0)
2401 else if (strcasecmp (name
, "vnz") == 0)
2406 else if (strcasecmp (name
, "nsv") == 0)
2411 else if (strcasecmp (name
, "ev") == 0)
2416 /* ",*" is a valid condition. */
2417 else if (*args
== 'a')
2418 as_bad (_("Invalid Add Condition: %s"), name
);
2421 opcode
|= cmpltr
<< 13;
2422 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2424 /* Handle non-negated add and branch condition. */
2426 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2429 as_bad (_("Invalid Add and Branch Condition"));
2432 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2434 /* Handle 64 bit wide-mode add and branch condition. */
2436 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2439 as_bad (_("Invalid Add and Branch Condition"));
2444 /* Negated condition requires an opcode change. */
2445 opcode
|= (cmpltr
& 8) << 24;
2447 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2449 /* Handle a negated or non-negated add and branch
2453 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2457 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2460 as_bad (_("Invalid Compare/Subtract Condition"));
2465 /* Negated condition requires an opcode change. */
2469 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2471 /* Handle branch on bit conditions. */
2489 if (strncmp (s
, "<", 1) == 0)
2494 else if (strncmp (s
, ">=", 2) == 0)
2500 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2502 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2504 /* Handle a compare/subtract condition. */
2513 /* 64 bit conditions. */
2526 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2530 if (strcmp (name
, "=") == 0)
2532 else if (strcmp (name
, "<") == 0)
2534 else if (strcmp (name
, "<=") == 0)
2536 else if (strcasecmp (name
, "<<") == 0)
2538 else if (strcasecmp (name
, "<<=") == 0)
2540 else if (strcasecmp (name
, "sv") == 0)
2542 else if (strcasecmp (name
, "od") == 0)
2544 else if (strcasecmp (name
, "tr") == 0)
2549 else if (strcmp (name
, "<>") == 0)
2554 else if (strcmp (name
, ">=") == 0)
2559 else if (strcmp (name
, ">") == 0)
2564 else if (strcasecmp (name
, ">>=") == 0)
2569 else if (strcasecmp (name
, ">>") == 0)
2574 else if (strcasecmp (name
, "nsv") == 0)
2579 else if (strcasecmp (name
, "ev") == 0)
2584 /* ",*" is a valid condition. */
2585 else if (*args
!= 'S')
2586 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2590 opcode
|= cmpltr
<< 13;
2591 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2593 /* Handle a non-negated compare condition. */
2595 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2598 as_bad (_("Invalid Compare/Subtract Condition"));
2601 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2603 /* Handle a 32 bit compare and branch condition. */
2606 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2610 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2613 as_bad (_("Invalid Compare and Branch Condition"));
2618 /* Negated condition requires an opcode change. */
2623 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2625 /* Handle a 64 bit compare and branch condition. */
2627 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2630 /* Negated condition requires an opcode change. */
2631 opcode
|= (cmpltr
& 8) << 26;
2634 /* Not a 64 bit cond. Give 32 bit a chance. */
2637 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2639 /* Handle a 64 bit cmpib condition. */
2641 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2643 /* Not a 64 bit cond. Give 32 bit a chance. */
2646 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2648 /* Handle a logical instruction condition. */
2657 /* 64 bit conditions. */
2669 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2674 if (strcmp (name
, "=") == 0)
2676 else if (strcmp (name
, "<") == 0)
2678 else if (strcmp (name
, "<=") == 0)
2680 else if (strcasecmp (name
, "od") == 0)
2682 else if (strcasecmp (name
, "tr") == 0)
2687 else if (strcmp (name
, "<>") == 0)
2692 else if (strcmp (name
, ">=") == 0)
2697 else if (strcmp (name
, ">") == 0)
2702 else if (strcasecmp (name
, "ev") == 0)
2707 /* ",*" is a valid condition. */
2708 else if (*args
!= 'L')
2709 as_bad (_("Invalid Logical Instruction Condition."));
2712 opcode
|= cmpltr
<< 13;
2713 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2715 /* Handle a shift/extract/deposit condition. */
2724 /* 64 bit conditions. */
2736 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2740 if (strcmp (name
, "=") == 0)
2742 else if (strcmp (name
, "<") == 0)
2744 else if (strcasecmp (name
, "od") == 0)
2746 else if (strcasecmp (name
, "tr") == 0)
2748 else if (strcmp (name
, "<>") == 0)
2750 else if (strcmp (name
, ">=") == 0)
2752 else if (strcasecmp (name
, "ev") == 0)
2754 /* Handle movb,n. Put things back the way they were.
2755 This includes moving s back to where it started. */
2756 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2762 /* ",*" is a valid condition. */
2763 else if (*args
!= 'X')
2764 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2767 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2769 /* Handle a unit instruction condition. */
2778 /* 64 bit conditions. */
2789 if (strncasecmp (s
, "sbz", 3) == 0)
2794 else if (strncasecmp (s
, "shz", 3) == 0)
2799 else if (strncasecmp (s
, "sdc", 3) == 0)
2804 else if (strncasecmp (s
, "sbc", 3) == 0)
2809 else if (strncasecmp (s
, "shc", 3) == 0)
2814 else if (strncasecmp (s
, "tr", 2) == 0)
2820 else if (strncasecmp (s
, "nbz", 3) == 0)
2826 else if (strncasecmp (s
, "nhz", 3) == 0)
2832 else if (strncasecmp (s
, "ndc", 3) == 0)
2838 else if (strncasecmp (s
, "nbc", 3) == 0)
2844 else if (strncasecmp (s
, "nhc", 3) == 0)
2850 else if (strncasecmp (s
, "swz", 3) == 0)
2856 else if (strncasecmp (s
, "swc", 3) == 0)
2862 else if (strncasecmp (s
, "nwz", 3) == 0)
2868 else if (strncasecmp (s
, "nwc", 3) == 0)
2874 /* ",*" is a valid condition. */
2875 else if (*args
!= 'U')
2876 as_bad (_("Invalid Unit Instruction Condition."));
2878 opcode
|= cmpltr
<< 13;
2879 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2887 /* Handle a nullification completer for branch instructions. */
2889 nullif
= pa_parse_nullif (&s
);
2890 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2892 /* Handle a nullification completer for copr and spop insns. */
2894 nullif
= pa_parse_nullif (&s
);
2895 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2897 /* Handle ,%r2 completer for new syntax branches. */
2899 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2901 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2907 /* Handle 3 bit entry into the fp compare array. Valid values
2908 are 0..6 inclusive. */
2912 if (the_insn
.exp
.X_op
== O_constant
)
2914 num
= evaluate_absolute (&the_insn
);
2915 CHECK_FIELD (num
, 6, 0, 0);
2917 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2922 /* Handle 3 bit entry into the fp compare array. Valid values
2923 are 0..6 inclusive. */
2926 if (the_insn
.exp
.X_op
== O_constant
)
2929 num
= evaluate_absolute (&the_insn
);
2930 CHECK_FIELD (num
, 6, 0, 0);
2931 num
= (num
+ 1) ^ 1;
2932 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2937 /* Handle graphics test completers for ftest */
2940 num
= pa_parse_ftest_gfx_completer (&s
);
2941 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2944 /* Handle a 11 bit immediate at 31. */
2946 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2949 if (the_insn
.exp
.X_op
== O_constant
)
2951 num
= evaluate_absolute (&the_insn
);
2952 CHECK_FIELD (num
, 1023, -1024, 0);
2953 num
= low_sign_unext (num
, 11);
2954 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2958 if (is_DP_relative (the_insn
.exp
))
2959 the_insn
.reloc
= R_HPPA_GOTOFF
;
2960 else if (is_PC_relative (the_insn
.exp
))
2961 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2963 the_insn
.reloc
= R_HPPA
;
2964 the_insn
.format
= 11;
2968 /* Handle a 14 bit immediate at 31. */
2970 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2973 if (the_insn
.exp
.X_op
== O_constant
)
2977 /* XXX the completer stored away tidbits of information
2978 for us to extract. We need a cleaner way to do this.
2979 Now that we have lots of letters again, it would be
2980 good to rethink this. */
2983 num
= evaluate_absolute (&the_insn
);
2984 if (mb
!= (num
< 0))
2986 CHECK_FIELD (num
, 8191, -8192, 0);
2987 num
= low_sign_unext (num
, 14);
2988 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2992 /* Handle a 14 bit immediate at 31. */
2994 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2997 if (the_insn
.exp
.X_op
== O_constant
)
3003 num
= evaluate_absolute (&the_insn
);
3004 if (mb
== (num
< 0))
3008 CHECK_FIELD (num
, 8191, -8192, 0);
3009 num
= low_sign_unext (num
, 14);
3010 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3014 /* Handle a 16 bit immediate at 31. */
3016 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3019 if (the_insn
.exp
.X_op
== O_constant
)
3025 num
= evaluate_absolute (&the_insn
);
3026 if (mb
!= (num
< 0))
3028 CHECK_FIELD (num
, 32767, -32768, 0);
3029 num
= re_assemble_16 (num
);
3030 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3034 /* Handle a 16 bit immediate at 31. */
3036 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3039 if (the_insn
.exp
.X_op
== O_constant
)
3045 num
= evaluate_absolute (&the_insn
);
3046 if (mb
== (num
< 0))
3050 CHECK_FIELD (num
, 32767, -32768, 0);
3051 num
= re_assemble_16 (num
);
3052 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3056 /* Handle 14 bit immediate, shifted left three times. */
3058 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3061 if (the_insn
.exp
.X_op
== O_constant
)
3063 num
= evaluate_absolute (&the_insn
);
3066 CHECK_FIELD (num
, 8191, -8192, 0);
3071 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3075 if (is_DP_relative (the_insn
.exp
))
3076 the_insn
.reloc
= R_HPPA_GOTOFF
;
3077 else if (is_PC_relative (the_insn
.exp
))
3078 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3080 the_insn
.reloc
= R_HPPA
;
3081 the_insn
.format
= 14;
3086 /* Handle 14 bit immediate, shifted left twice. */
3088 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3091 if (the_insn
.exp
.X_op
== O_constant
)
3093 num
= evaluate_absolute (&the_insn
);
3096 CHECK_FIELD (num
, 8191, -8192, 0);
3101 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3105 if (is_DP_relative (the_insn
.exp
))
3106 the_insn
.reloc
= R_HPPA_GOTOFF
;
3107 else if (is_PC_relative (the_insn
.exp
))
3108 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3110 the_insn
.reloc
= R_HPPA
;
3111 the_insn
.format
= 14;
3115 /* Handle a 14 bit immediate at 31. */
3117 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3120 if (the_insn
.exp
.X_op
== O_constant
)
3122 num
= evaluate_absolute (&the_insn
);
3123 CHECK_FIELD (num
, 8191, -8192, 0);
3124 num
= low_sign_unext (num
, 14);
3125 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3129 if (is_DP_relative (the_insn
.exp
))
3130 the_insn
.reloc
= R_HPPA_GOTOFF
;
3131 else if (is_PC_relative (the_insn
.exp
))
3132 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3134 the_insn
.reloc
= R_HPPA
;
3135 the_insn
.format
= 14;
3139 /* Handle a 21 bit immediate at 31. */
3141 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3144 if (the_insn
.exp
.X_op
== O_constant
)
3146 num
= evaluate_absolute (&the_insn
);
3147 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3148 opcode
|= re_assemble_21 (num
);
3153 if (is_DP_relative (the_insn
.exp
))
3154 the_insn
.reloc
= R_HPPA_GOTOFF
;
3155 else if (is_PC_relative (the_insn
.exp
))
3156 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3158 the_insn
.reloc
= R_HPPA
;
3159 the_insn
.format
= 21;
3163 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3165 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3168 if (the_insn
.exp
.X_op
== O_constant
)
3170 num
= evaluate_absolute (&the_insn
);
3171 CHECK_FIELD (num
, 32767, -32768, 0);
3172 opcode
|= re_assemble_16 (num
);
3177 /* ??? Is this valid for wide mode? */
3178 if (is_DP_relative (the_insn
.exp
))
3179 the_insn
.reloc
= R_HPPA_GOTOFF
;
3180 else if (is_PC_relative (the_insn
.exp
))
3181 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3183 the_insn
.reloc
= R_HPPA
;
3184 the_insn
.format
= 14;
3188 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3190 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3193 if (the_insn
.exp
.X_op
== O_constant
)
3195 num
= evaluate_absolute (&the_insn
);
3196 CHECK_FIELD (num
, 32767, -32768, 0);
3197 CHECK_ALIGN (num
, 4, 0);
3198 opcode
|= re_assemble_16 (num
);
3203 /* ??? Is this valid for wide mode? */
3204 if (is_DP_relative (the_insn
.exp
))
3205 the_insn
.reloc
= R_HPPA_GOTOFF
;
3206 else if (is_PC_relative (the_insn
.exp
))
3207 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3209 the_insn
.reloc
= R_HPPA
;
3210 the_insn
.format
= 14;
3214 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3216 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3219 if (the_insn
.exp
.X_op
== O_constant
)
3221 num
= evaluate_absolute (&the_insn
);
3222 CHECK_FIELD (num
, 32767, -32768, 0);
3223 CHECK_ALIGN (num
, 8, 0);
3224 opcode
|= re_assemble_16 (num
);
3229 /* ??? Is this valid for wide mode? */
3230 if (is_DP_relative (the_insn
.exp
))
3231 the_insn
.reloc
= R_HPPA_GOTOFF
;
3232 else if (is_PC_relative (the_insn
.exp
))
3233 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3235 the_insn
.reloc
= R_HPPA
;
3236 the_insn
.format
= 14;
3240 /* Handle a 12 bit branch displacement. */
3242 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3246 if (!the_insn
.exp
.X_add_symbol
3247 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3250 num
= evaluate_absolute (&the_insn
);
3253 as_bad (_("Branch to unaligned address"));
3256 if (the_insn
.exp
.X_add_symbol
)
3258 CHECK_FIELD (num
, 8191, -8192, 0);
3259 opcode
|= re_assemble_12 (num
>> 2);
3264 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3265 the_insn
.format
= 12;
3266 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3267 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3272 /* Handle a 17 bit branch displacement. */
3274 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3278 if (!the_insn
.exp
.X_add_symbol
3279 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3282 num
= evaluate_absolute (&the_insn
);
3285 as_bad (_("Branch to unaligned address"));
3288 if (the_insn
.exp
.X_add_symbol
)
3290 CHECK_FIELD (num
, 262143, -262144, 0);
3291 opcode
|= re_assemble_17 (num
>> 2);
3296 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3297 the_insn
.format
= 17;
3298 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3299 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3303 /* Handle a 22 bit branch displacement. */
3305 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3309 if (!the_insn
.exp
.X_add_symbol
3310 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3313 num
= evaluate_absolute (&the_insn
);
3316 as_bad (_("Branch to unaligned address"));
3319 if (the_insn
.exp
.X_add_symbol
)
3321 CHECK_FIELD (num
, 8388607, -8388608, 0);
3322 opcode
|= re_assemble_22 (num
>> 2);
3326 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3327 the_insn
.format
= 22;
3328 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3329 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3333 /* Handle an absolute 17 bit branch target. */
3335 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3339 if (!the_insn
.exp
.X_add_symbol
3340 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3343 num
= evaluate_absolute (&the_insn
);
3346 as_bad (_("Branch to unaligned address"));
3349 if (the_insn
.exp
.X_add_symbol
)
3351 CHECK_FIELD (num
, 262143, -262144, 0);
3352 opcode
|= re_assemble_17 (num
>> 2);
3357 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3358 the_insn
.format
= 17;
3359 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3360 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3364 /* Handle '%r1' implicit operand of addil instruction. */
3366 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3367 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3375 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3377 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3382 /* Handle immediate value of 0 for ordered load/store instructions. */
3389 /* Handle a 2 bit shift count at 25. */
3391 num
= pa_get_absolute_expression (&the_insn
, &s
);
3392 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3395 CHECK_FIELD (num
, 3, 1, strict
);
3396 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3398 /* Handle a 4 bit shift count at 25. */
3400 num
= pa_get_absolute_expression (&the_insn
, &s
);
3401 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3404 CHECK_FIELD (num
, 15, 0, strict
);
3405 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3407 /* Handle a 5 bit shift count at 26. */
3409 num
= pa_get_absolute_expression (&the_insn
, &s
);
3410 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3413 CHECK_FIELD (num
, 31, 0, strict
);
3414 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3416 /* Handle a 6 bit shift count at 20,22:26. */
3418 num
= pa_get_absolute_expression (&the_insn
, &s
);
3419 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3422 CHECK_FIELD (num
, 63, 0, strict
);
3424 opcode
|= (num
& 0x20) << 6;
3425 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3427 /* Handle a 6 bit field length at 23,27:31. */
3430 num
= pa_get_absolute_expression (&the_insn
, &s
);
3431 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3434 CHECK_FIELD (num
, 64, 1, strict
);
3436 opcode
|= (num
& 0x20) << 3;
3437 num
= 31 - (num
& 0x1f);
3438 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3440 /* Handle a 6 bit field length at 19,27:31. */
3442 num
= pa_get_absolute_expression (&the_insn
, &s
);
3443 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3446 CHECK_FIELD (num
, 64, 1, strict
);
3448 opcode
|= (num
& 0x20) << 7;
3449 num
= 31 - (num
& 0x1f);
3450 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3452 /* Handle a 5 bit bit position at 26. */
3454 num
= pa_get_absolute_expression (&the_insn
, &s
);
3455 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3458 CHECK_FIELD (num
, 31, 0, strict
);
3459 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3461 /* Handle a 6 bit bit position at 20,22:26. */
3463 num
= pa_get_absolute_expression (&the_insn
, &s
);
3464 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3467 CHECK_FIELD (num
, 63, 0, strict
);
3468 opcode
|= (num
& 0x20) << 6;
3469 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3471 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3472 of the high bit of the immediate. */
3474 num
= pa_get_absolute_expression (&the_insn
, &s
);
3475 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3478 CHECK_FIELD (num
, 63, 0, strict
);
3482 opcode
|= (1 << 13);
3483 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3485 /* Handle a 5 bit immediate at 10. */
3487 num
= pa_get_absolute_expression (&the_insn
, &s
);
3488 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3491 CHECK_FIELD (num
, 31, 0, strict
);
3492 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3494 /* Handle a 9 bit immediate at 28. */
3496 num
= pa_get_absolute_expression (&the_insn
, &s
);
3497 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3500 CHECK_FIELD (num
, 511, 1, strict
);
3501 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3503 /* Handle a 13 bit immediate at 18. */
3505 num
= pa_get_absolute_expression (&the_insn
, &s
);
3506 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3509 CHECK_FIELD (num
, 8191, 0, strict
);
3510 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3512 /* Handle a 26 bit immediate at 31. */
3514 num
= pa_get_absolute_expression (&the_insn
, &s
);
3515 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3518 CHECK_FIELD (num
, 67108863, 0, strict
);
3519 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3521 /* Handle a 3 bit SFU identifier at 25. */
3524 as_bad (_("Invalid SFU identifier"));
3525 num
= pa_get_absolute_expression (&the_insn
, &s
);
3526 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3529 CHECK_FIELD (num
, 7, 0, strict
);
3530 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3532 /* Handle a 20 bit SOP field for spop0. */
3534 num
= pa_get_absolute_expression (&the_insn
, &s
);
3535 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3538 CHECK_FIELD (num
, 1048575, 0, strict
);
3539 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3540 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3542 /* Handle a 15bit SOP field for spop1. */
3544 num
= pa_get_absolute_expression (&the_insn
, &s
);
3545 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3548 CHECK_FIELD (num
, 32767, 0, strict
);
3549 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3551 /* Handle a 10bit SOP field for spop3. */
3553 num
= pa_get_absolute_expression (&the_insn
, &s
);
3554 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3557 CHECK_FIELD (num
, 1023, 0, strict
);
3558 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3559 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3561 /* Handle a 15 bit SOP field for spop2. */
3563 num
= pa_get_absolute_expression (&the_insn
, &s
);
3564 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3567 CHECK_FIELD (num
, 32767, 0, strict
);
3568 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3569 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3571 /* Handle a 3-bit co-processor ID field. */
3574 as_bad (_("Invalid COPR identifier"));
3575 num
= pa_get_absolute_expression (&the_insn
, &s
);
3576 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3579 CHECK_FIELD (num
, 7, 0, strict
);
3580 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3582 /* Handle a 22bit SOP field for copr. */
3584 num
= pa_get_absolute_expression (&the_insn
, &s
);
3585 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3588 CHECK_FIELD (num
, 4194303, 0, strict
);
3589 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3590 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3592 /* Handle a source FP operand format completer. */
3594 if (*s
== ',' && *(s
+1) == 't')
3601 flag
= pa_parse_fp_cnv_format (&s
);
3602 the_insn
.fpof1
= flag
;
3603 if (flag
== W
|| flag
== UW
)
3605 if (flag
== DW
|| flag
== UDW
)
3607 if (flag
== QW
|| flag
== UQW
)
3609 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3611 /* Handle a destination FP operand format completer. */
3613 /* pa_parse_format needs the ',' prefix. */
3615 flag
= pa_parse_fp_cnv_format (&s
);
3616 the_insn
.fpof2
= flag
;
3617 if (flag
== W
|| flag
== UW
)
3619 if (flag
== DW
|| flag
== UDW
)
3621 if (flag
== QW
|| flag
== UQW
)
3623 opcode
|= flag
<< 13;
3624 if (the_insn
.fpof1
== SGL
3625 || the_insn
.fpof1
== DBL
3626 || the_insn
.fpof1
== QUAD
)
3628 if (the_insn
.fpof2
== SGL
3629 || the_insn
.fpof2
== DBL
3630 || the_insn
.fpof2
== QUAD
)
3632 else if (the_insn
.fpof2
== W
3633 || the_insn
.fpof2
== DW
3634 || the_insn
.fpof2
== QW
)
3636 else if (the_insn
.fpof2
== UW
3637 || the_insn
.fpof2
== UDW
3638 || the_insn
.fpof2
== UQW
)
3643 else if (the_insn
.fpof1
== W
3644 || the_insn
.fpof1
== DW
3645 || the_insn
.fpof1
== QW
)
3647 if (the_insn
.fpof2
== SGL
3648 || the_insn
.fpof2
== DBL
3649 || the_insn
.fpof2
== QUAD
)
3654 else if (the_insn
.fpof1
== UW
3655 || the_insn
.fpof1
== UDW
3656 || the_insn
.fpof1
== UQW
)
3658 if (the_insn
.fpof2
== SGL
3659 || the_insn
.fpof2
== DBL
3660 || the_insn
.fpof2
== QUAD
)
3665 flag
|= the_insn
.trunc
;
3666 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3668 /* Handle a source FP operand format completer. */
3670 flag
= pa_parse_fp_format (&s
);
3671 the_insn
.fpof1
= flag
;
3672 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3674 /* Handle a destination FP operand format completer. */
3676 /* pa_parse_format needs the ',' prefix. */
3678 flag
= pa_parse_fp_format (&s
);
3679 the_insn
.fpof2
= flag
;
3680 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3682 /* Handle a source FP operand format completer at 20. */
3684 flag
= pa_parse_fp_format (&s
);
3685 the_insn
.fpof1
= flag
;
3686 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3688 /* Handle a floating point operand format at 26.
3689 Only allows single and double precision. */
3691 flag
= pa_parse_fp_format (&s
);
3697 the_insn
.fpof1
= flag
;
3703 as_bad (_("Invalid Floating Point Operand Format."));
3707 /* Handle all floating point registers. */
3711 /* Float target register. */
3713 if (!pa_parse_number (&s
, 3))
3715 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3716 CHECK_FIELD (num
, 31, 0, 0);
3717 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3719 /* Float target register with L/R selection. */
3722 if (!pa_parse_number (&s
, 1))
3724 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3725 CHECK_FIELD (num
, 31, 0, 0);
3728 /* 0x30 opcodes are FP arithmetic operation opcodes
3729 and need to be turned into 0x38 opcodes. This
3730 is not necessary for loads/stores. */
3731 if (need_pa11_opcode ()
3732 && ((opcode
& 0xfc000000) == 0x30000000))
3735 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3739 /* Float operand 1. */
3742 if (!pa_parse_number (&s
, 1))
3744 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3745 CHECK_FIELD (num
, 31, 0, 0);
3746 opcode
|= num
<< 21;
3747 if (need_pa11_opcode ())
3749 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3755 /* Float operand 1 with L/R selection. */
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 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3768 /* Float operand 2. */
3771 if (!pa_parse_number (&s
, 1))
3773 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3774 CHECK_FIELD (num
, 31, 0, 0);
3775 opcode
|= num
<< 16;
3776 if (need_pa11_opcode ())
3778 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3784 /* Float operand 2 with L/R selection. */
3787 if (!pa_parse_number (&s
, 1))
3789 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3790 CHECK_FIELD (num
, 31, 0, 0);
3791 opcode
|= num
<< 16;
3792 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3796 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3799 if (!pa_parse_number (&s
, 1))
3801 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3802 CHECK_FIELD (num
, 31, 0, 0);
3803 opcode
|= (num
& 0x1c) << 11;
3804 opcode
|= (num
& 0x03) << 9;
3805 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3809 /* Float mult operand 1 for fmpyadd, fmpysub */
3812 if (!pa_parse_number (&s
, 1))
3814 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3815 CHECK_FIELD (num
, 31, 0, 0);
3816 if (the_insn
.fpof1
== SGL
)
3820 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3824 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3826 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3829 /* Float mult operand 2 for fmpyadd, fmpysub */
3832 if (!pa_parse_number (&s
, 1))
3834 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3835 CHECK_FIELD (num
, 31, 0, 0);
3836 if (the_insn
.fpof1
== SGL
)
3840 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3844 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3846 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3849 /* Float mult target for fmpyadd, fmpysub */
3852 if (!pa_parse_number (&s
, 1))
3854 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3855 CHECK_FIELD (num
, 31, 0, 0);
3856 if (the_insn
.fpof1
== SGL
)
3860 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3864 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3866 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3869 /* Float add operand 1 for fmpyadd, fmpysub */
3872 if (!pa_parse_number (&s
, 1))
3874 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3875 CHECK_FIELD (num
, 31, 0, 0);
3876 if (the_insn
.fpof1
== SGL
)
3880 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3884 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3886 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3889 /* Float add target for fmpyadd, fmpysub */
3892 if (!pa_parse_number (&s
, 1))
3894 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3895 CHECK_FIELD (num
, 31, 0, 0);
3896 if (the_insn
.fpof1
== SGL
)
3900 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3904 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3906 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3909 /* Handle L/R register halves like 'x'. */
3913 if (!pa_parse_number (&s
, 1))
3915 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3916 CHECK_FIELD (num
, 31, 0, 0);
3917 opcode
|= num
<< 16;
3918 if (need_pa11_opcode ())
3920 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3925 /* Float target register (PA 2.0 wide). */
3927 if (!pa_parse_number (&s
, 3))
3929 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3930 CHECK_FIELD (num
, 31, 0, 0);
3931 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3945 /* Check if the args matched. */
3948 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3949 && !strcmp (insn
->name
, insn
[1].name
))
3957 as_bad (_("Invalid operands %s"), error_message
);
3964 the_insn
.opcode
= opcode
;
3967 /* Turn a string in input_line_pointer into a floating point constant of type
3968 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3969 emitted is stored in *sizeP . An error message or NULL is returned. */
3971 #define MAX_LITTLENUMS 6
3974 md_atof (type
, litP
, sizeP
)
3980 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3981 LITTLENUM_TYPE
*wordP
;
4013 return _("Bad call to MD_ATOF()");
4015 t
= atof_ieee (input_line_pointer
, type
, words
);
4017 input_line_pointer
= t
;
4018 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4019 for (wordP
= words
; prec
--;)
4021 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4022 litP
+= sizeof (LITTLENUM_TYPE
);
4027 /* Write out big-endian. */
4030 md_number_to_chars (buf
, val
, n
)
4035 number_to_chars_bigendian (buf
, val
, n
);
4038 /* Translate internal representation of relocation info to BFD target
4042 tc_gen_reloc (section
, fixp
)
4047 struct hppa_fix_struct
*hppa_fixp
;
4048 static arelent
*no_relocs
= NULL
;
4055 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4056 if (fixp
->fx_addsy
== 0)
4059 assert (hppa_fixp
!= 0);
4060 assert (section
!= 0);
4062 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4064 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4065 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4066 codes
= hppa_gen_reloc_type (stdoutput
,
4068 hppa_fixp
->fx_r_format
,
4069 hppa_fixp
->fx_r_field
,
4070 fixp
->fx_subsy
!= NULL
,
4071 symbol_get_bfdsym (fixp
->fx_addsy
));
4075 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4079 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4082 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4083 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4084 for (i
= 0; i
< n_relocs
; i
++)
4085 relocs
[i
] = &reloc
[i
];
4087 relocs
[n_relocs
] = NULL
;
4090 switch (fixp
->fx_r_type
)
4093 assert (n_relocs
== 1);
4097 /* Now, do any processing that is dependent on the relocation type. */
4100 case R_PARISC_DLTREL21L
:
4101 case R_PARISC_DLTREL14R
:
4102 case R_PARISC_DLTREL14F
:
4103 case R_PARISC_PLABEL32
:
4104 case R_PARISC_PLABEL21L
:
4105 case R_PARISC_PLABEL14R
:
4106 /* For plabel relocations, the addend of the
4107 relocation should be either 0 (no static link) or 2
4108 (static link required). This adjustment is done in
4109 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4111 We also slam a zero addend into the DLT relative relocs;
4112 it doesn't make a lot of sense to use any addend since
4113 it gets you a different (eg unknown) DLT entry. */
4117 #ifdef ELF_ARG_RELOC
4118 case R_PARISC_PCREL17R
:
4119 case R_PARISC_PCREL17F
:
4120 case R_PARISC_PCREL17C
:
4121 case R_PARISC_DIR17R
:
4122 case R_PARISC_DIR17F
:
4123 case R_PARISC_PCREL21L
:
4124 case R_PARISC_DIR21L
:
4125 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4130 case R_PARISC_DIR32
:
4131 /* Facilitate hand-crafted unwind info. */
4132 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4133 code
= R_PARISC_SEGREL32
;
4137 reloc
->addend
= fixp
->fx_offset
;
4141 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4142 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4143 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4144 (bfd_reloc_code_real_type
) code
);
4145 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4147 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4152 /* Walk over reach relocation returned by the BFD backend. */
4153 for (i
= 0; i
< n_relocs
; i
++)
4157 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4158 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4160 bfd_reloc_type_lookup (stdoutput
,
4161 (bfd_reloc_code_real_type
) code
);
4162 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4167 /* The only time we ever use a R_COMP2 fixup is for the difference
4168 of two symbols. With that in mind we fill in all four
4169 relocs now and break out of the loop. */
4171 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4173 bfd_reloc_type_lookup (stdoutput
,
4174 (bfd_reloc_code_real_type
) *codes
[0]);
4175 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4176 relocs
[0]->addend
= 0;
4177 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4178 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4180 bfd_reloc_type_lookup (stdoutput
,
4181 (bfd_reloc_code_real_type
) *codes
[1]);
4182 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4183 relocs
[1]->addend
= 0;
4184 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4185 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4187 bfd_reloc_type_lookup (stdoutput
,
4188 (bfd_reloc_code_real_type
) *codes
[2]);
4189 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4190 relocs
[2]->addend
= 0;
4191 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4193 bfd_reloc_type_lookup (stdoutput
,
4194 (bfd_reloc_code_real_type
) *codes
[3]);
4195 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4196 relocs
[3]->addend
= 0;
4197 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4199 bfd_reloc_type_lookup (stdoutput
,
4200 (bfd_reloc_code_real_type
) *codes
[4]);
4201 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4202 relocs
[4]->addend
= 0;
4206 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4212 /* For plabel relocations, the addend of the
4213 relocation should be either 0 (no static link) or 2
4214 (static link required).
4216 FIXME: We always assume no static link!
4218 We also slam a zero addend into the DLT relative relocs;
4219 it doesn't make a lot of sense to use any addend since
4220 it gets you a different (eg unknown) DLT entry. */
4221 relocs
[i
]->addend
= 0;
4236 /* There is no symbol or addend associated with these fixups. */
4237 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4238 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4239 relocs
[i
]->addend
= 0;
4245 /* There is no symbol associated with these fixups. */
4246 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4247 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4248 relocs
[i
]->addend
= fixp
->fx_offset
;
4252 relocs
[i
]->addend
= fixp
->fx_offset
;
4262 /* Process any machine dependent frag types. */
4265 md_convert_frag (abfd
, sec
, fragP
)
4266 register bfd
*abfd ATTRIBUTE_UNUSED
;
4267 register asection
*sec ATTRIBUTE_UNUSED
;
4268 register fragS
*fragP
;
4270 unsigned int address
;
4272 if (fragP
->fr_type
== rs_machine_dependent
)
4274 switch ((int) fragP
->fr_subtype
)
4277 fragP
->fr_type
= rs_fill
;
4278 know (fragP
->fr_var
== 1);
4279 know (fragP
->fr_next
);
4280 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4281 if (address
% fragP
->fr_offset
)
4284 fragP
->fr_next
->fr_address
4289 fragP
->fr_offset
= 0;
4295 /* Round up a section size to the appropriate boundary. */
4298 md_section_align (segment
, size
)
4302 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4303 int align2
= (1 << align
) - 1;
4305 return (size
+ align2
) & ~align2
;
4308 /* Return the approximate size of a frag before relaxation has occurred. */
4310 md_estimate_size_before_relax (fragP
, segment
)
4311 register fragS
*fragP
;
4312 asection
*segment ATTRIBUTE_UNUSED
;
4318 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4325 # ifdef WARN_COMMENTS
4326 const char *md_shortopts
= "Vc";
4328 const char *md_shortopts
= "V";
4331 # ifdef WARN_COMMENTS
4332 const char *md_shortopts
= "c";
4334 const char *md_shortopts
= "";
4338 struct option md_longopts
[] = {
4339 #ifdef WARN_COMMENTS
4340 {"warn-comment", no_argument
, NULL
, 'c'},
4342 {NULL
, no_argument
, NULL
, 0}
4344 size_t md_longopts_size
= sizeof (md_longopts
);
4347 md_parse_option (c
, arg
)
4348 int c ATTRIBUTE_UNUSED
;
4349 char *arg ATTRIBUTE_UNUSED
;
4358 print_version_id ();
4361 #ifdef WARN_COMMENTS
4372 md_show_usage (stream
)
4373 FILE *stream ATTRIBUTE_UNUSED
;
4376 fprintf (stream
, _("\
4379 #ifdef WARN_COMMENTS
4380 fprintf (stream
, _("\
4381 -c print a warning if a comment is found\n"));
4385 /* We have no need to default values of symbols. */
4388 md_undefined_symbol (name
)
4389 char *name ATTRIBUTE_UNUSED
;
4394 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4395 #define nonzero_dibits(x) \
4396 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4397 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4398 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4400 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4403 /* Apply a fixup to an instruction. */
4406 md_apply_fix (fixP
, valp
)
4411 struct hppa_fix_struct
*hppa_fixP
;
4415 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4416 never be "applied" (they are just markers). Likewise for
4417 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4419 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4420 || fixP
->fx_r_type
== R_HPPA_EXIT
4421 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4422 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4423 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4426 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4427 fixups are considered not adjustable, which in turn causes
4428 adjust_reloc_syms to not set fx_offset. Ugh. */
4429 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4431 fixP
->fx_offset
= *valp
;
4436 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4437 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4441 /* There should have been an HPPA specific fixup associated
4442 with the GAS fixup. */
4443 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4444 if (hppa_fixP
== NULL
)
4446 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4447 _("no hppa_fixup entry for fixup type 0x%x"),
4452 buf
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
4453 insn
= bfd_get_32 (stdoutput
, buf
);
4454 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4456 /* If there is a symbol associated with this fixup, then it's something
4457 which will need a SOM relocation (except for some PC-relative relocs).
4458 In such cases we should treat the "val" or "addend" as zero since it
4459 will be added in as needed from fx_offset in tc_gen_reloc. */
4460 if ((fixP
->fx_addsy
!= NULL
4461 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4466 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4468 /* These field selectors imply that we do not want an addend. */
4469 else if (hppa_fixP
->fx_r_field
== e_psel
4470 || hppa_fixP
->fx_r_field
== e_rpsel
4471 || hppa_fixP
->fx_r_field
== e_lpsel
4472 || hppa_fixP
->fx_r_field
== e_tsel
4473 || hppa_fixP
->fx_r_field
== e_rtsel
4474 || hppa_fixP
->fx_r_field
== e_ltsel
)
4475 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4476 /* This is truly disgusting. The machine independent code blindly
4477 adds in the value of the symbol being relocated against. Damn! */
4479 && fixP
->fx_addsy
!= NULL
4480 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
4481 new_val
= hppa_field_adjust (*valp
- S_GET_VALUE (fixP
->fx_addsy
),
4482 0, hppa_fixP
->fx_r_field
);
4485 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4487 /* Handle pc-relative exceptions from above. */
4488 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4491 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4492 hppa_fixP
->fx_arg_reloc
)
4494 && (*valp
- 8 + 8192 < 16384
4495 || (fmt
== 17 && *valp
- 8 + 262144 < 524288)
4496 || (fmt
== 22 && *valp
- 8 + 8388608 < 16777216))
4499 && (*valp
- 8 + 262144 < 524288
4500 || (fmt
== 22 && *valp
- 8 + 8388608 < 16777216))
4502 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4503 && !S_IS_WEAK (fixP
->fx_addsy
)
4504 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4506 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4508 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4514 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4515 fixP
->fx_file
, fixP
->fx_line
);
4518 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4519 | ((val
& 0x2000) >> 13));
4522 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4523 fixP
->fx_file
, fixP
->fx_line
);
4526 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4527 | ((val
& 0x2000) >> 13));
4529 /* Handle all opcodes with the 'j' operand type. */
4531 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4532 fixP
->fx_file
, fixP
->fx_line
);
4535 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4538 /* Handle all opcodes with the 'k' operand type. */
4540 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4541 fixP
->fx_file
, fixP
->fx_line
);
4544 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4547 /* Handle all the opcodes with the 'i' operand type. */
4549 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4550 fixP
->fx_file
, fixP
->fx_line
);
4553 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4556 /* Handle all the opcodes with the 'w' operand type. */
4558 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4559 fixP
->fx_file
, fixP
->fx_line
);
4562 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4565 /* Handle some of the opcodes with the 'W' operand type. */
4568 offsetT distance
= *valp
;
4570 /* If this is an absolute branch (ie no link) with an out of
4571 range target, then we want to complain. */
4572 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4573 && (insn
& 0xffe00000) == 0xe8000000)
4574 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4575 fixP
->fx_file
, fixP
->fx_line
);
4577 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4578 fixP
->fx_file
, fixP
->fx_line
);
4581 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4587 offsetT distance
= *valp
;
4589 /* If this is an absolute branch (ie no link) with an out of
4590 range target, then we want to complain. */
4591 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4592 && (insn
& 0xffe00000) == 0xe8000000)
4593 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4594 fixP
->fx_file
, fixP
->fx_line
);
4596 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4597 fixP
->fx_file
, fixP
->fx_line
);
4600 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4606 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4611 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4616 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4624 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4625 _("Unknown relocation encountered in md_apply_fix."));
4629 /* Insert the relocation. */
4630 bfd_put_32 (stdoutput
, insn
, buf
);
4634 /* Exactly what point is a PC-relative offset relative TO?
4635 On the PA, they're relative to the address of the offset. */
4638 md_pcrel_from (fixP
)
4641 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4644 /* Return nonzero if the input line pointer is at the end of
4648 is_end_of_statement ()
4650 return ((*input_line_pointer
== '\n')
4651 || (*input_line_pointer
== ';')
4652 || (*input_line_pointer
== '!'));
4655 /* Read a number from S. The number might come in one of many forms,
4656 the most common will be a hex or decimal constant, but it could be
4657 a pre-defined register (Yuk!), or an absolute symbol.
4659 Return 1 on success or 0 on failure. If STRICT, then a missing
4660 register prefix will cause a failure. The number itself is
4661 returned in `pa_number'.
4663 IS_FLOAT indicates that a PA-89 FP register number should be
4664 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4667 pa_parse_number can not handle negative constants and will fail
4668 horribly if it is passed such a constant. */
4671 pa_parse_number (s
, is_float
)
4681 boolean have_prefix
;
4683 /* Skip whitespace before the number. */
4684 while (*p
== ' ' || *p
== '\t')
4690 if (!strict
&& isdigit (*p
))
4692 /* Looks like a number. */
4694 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4696 /* The number is specified in hex. */
4698 while (isdigit (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4699 || ((*p
>= 'A') && (*p
<= 'F')))
4702 num
= num
* 16 + *p
- '0';
4703 else if (*p
>= 'a' && *p
<= 'f')
4704 num
= num
* 16 + *p
- 'a' + 10;
4706 num
= num
* 16 + *p
- 'A' + 10;
4712 /* The number is specified in decimal. */
4713 while (isdigit (*p
))
4715 num
= num
* 10 + *p
- '0';
4722 /* Check for a `l' or `r' suffix. */
4725 pa_number
+= FP_REG_BASE
;
4726 if (! (is_float
& 2))
4728 if (IS_R_SELECT (p
))
4730 pa_number
+= FP_REG_RSEL
;
4733 else if (IS_L_SELECT (p
))
4742 /* The number might be a predefined register. */
4747 /* Tege hack: Special case for general registers as the general
4748 code makes a binary search with case translation, and is VERY
4753 if (*p
== 'e' && *(p
+ 1) == 't'
4754 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4757 num
= *p
- '0' + 28;
4765 else if (!isdigit (*p
))
4768 as_bad (_("Undefined register: '%s'."), name
);
4774 num
= num
* 10 + *p
++ - '0';
4775 while (isdigit (*p
));
4780 /* Do a normal register search. */
4781 while (is_part_of_name (c
))
4787 status
= reg_name_search (name
);
4793 as_bad (_("Undefined register: '%s'."), name
);
4803 /* And finally, it could be a symbol in the absolute section which
4804 is effectively a constant, or a register alias symbol. */
4807 while (is_part_of_name (c
))
4813 if ((sym
= symbol_find (name
)) != NULL
)
4815 if (S_GET_SEGMENT (sym
) == reg_section
)
4817 num
= S_GET_VALUE (sym
);
4818 /* Well, we don't really have one, but we do have a
4822 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4823 num
= S_GET_VALUE (sym
);
4827 as_bad (_("Non-absolute symbol: '%s'."), name
);
4833 /* There is where we'd come for an undefined symbol
4834 or for an empty string. For an empty string we
4835 will return zero. That's a concession made for
4836 compatability with the braindamaged HP assemblers. */
4842 as_bad (_("Undefined absolute constant: '%s'."), name
);
4851 if (!strict
|| have_prefix
)
4859 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4861 /* Given NAME, find the register number associated with that name, return
4862 the integer value associated with the given name or -1 on failure. */
4865 reg_name_search (name
)
4868 int middle
, low
, high
;
4872 high
= REG_NAME_CNT
- 1;
4876 middle
= (low
+ high
) / 2;
4877 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4883 return pre_defined_registers
[middle
].value
;
4885 while (low
<= high
);
4890 /* Return nonzero if the given INSN and L/R information will require
4891 a new PA-1.1 opcode. */
4896 if ((pa_number
& FP_REG_RSEL
) != 0
4897 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4899 /* If this instruction is specific to a particular architecture,
4900 then set a new architecture. */
4901 if (bfd_get_mach (stdoutput
) < pa11
)
4903 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4904 as_warn (_("could not update architecture and machine"));
4912 /* Parse a condition for a fcmp instruction. Return the numerical
4913 code associated with the condition. */
4916 pa_parse_fp_cmp_cond (s
)
4923 for (i
= 0; i
< 32; i
++)
4925 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4926 strlen (fp_cond_map
[i
].string
)) == 0)
4928 cond
= fp_cond_map
[i
].cond
;
4929 *s
+= strlen (fp_cond_map
[i
].string
);
4930 /* If not a complete match, back up the input string and
4932 if (**s
!= ' ' && **s
!= '\t')
4934 *s
-= strlen (fp_cond_map
[i
].string
);
4937 while (**s
== ' ' || **s
== '\t')
4943 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4945 /* Advance over the bogus completer. */
4946 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4952 /* Parse a graphics test complete for ftest. */
4955 pa_parse_ftest_gfx_completer (s
)
4961 if (strncasecmp (*s
, "acc8", 4) == 0)
4966 else if (strncasecmp (*s
, "acc6", 4) == 0)
4971 else if (strncasecmp (*s
, "acc4", 4) == 0)
4976 else if (strncasecmp (*s
, "acc2", 4) == 0)
4981 else if (strncasecmp (*s
, "acc", 3) == 0)
4986 else if (strncasecmp (*s
, "rej8", 4) == 0)
4991 else if (strncasecmp (*s
, "rej", 3) == 0)
4999 as_bad (_("Invalid FTEST completer: %s"), *s
);
5005 /* Parse an FP operand format completer returning the completer
5008 static fp_operand_format
5009 pa_parse_fp_cnv_format (s
)
5018 if (strncasecmp (*s
, "sgl", 3) == 0)
5023 else if (strncasecmp (*s
, "dbl", 3) == 0)
5028 else if (strncasecmp (*s
, "quad", 4) == 0)
5033 else if (strncasecmp (*s
, "w", 1) == 0)
5038 else if (strncasecmp (*s
, "uw", 2) == 0)
5043 else if (strncasecmp (*s
, "dw", 2) == 0)
5048 else if (strncasecmp (*s
, "udw", 3) == 0)
5053 else if (strncasecmp (*s
, "qw", 2) == 0)
5058 else if (strncasecmp (*s
, "uqw", 3) == 0)
5065 format
= ILLEGAL_FMT
;
5066 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5073 /* Parse an FP operand format completer returning the completer
5076 static fp_operand_format
5077 pa_parse_fp_format (s
)
5086 if (strncasecmp (*s
, "sgl", 3) == 0)
5091 else if (strncasecmp (*s
, "dbl", 3) == 0)
5096 else if (strncasecmp (*s
, "quad", 4) == 0)
5103 format
= ILLEGAL_FMT
;
5104 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5111 /* Convert from a selector string into a selector type. */
5114 pa_chk_field_selector (str
)
5117 int middle
, low
, high
;
5121 /* Read past any whitespace. */
5122 /* FIXME: should we read past newlines and formfeeds??? */
5123 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5126 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5127 name
[0] = tolower ((*str
)[0]),
5129 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5130 name
[0] = tolower ((*str
)[0]),
5131 name
[1] = tolower ((*str
)[1]),
5133 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5134 name
[0] = tolower ((*str
)[0]),
5135 name
[1] = tolower ((*str
)[1]),
5136 name
[2] = tolower ((*str
)[2]),
5142 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5146 middle
= (low
+ high
) / 2;
5147 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5154 *str
+= strlen (name
) + 1;
5156 if (selector_table
[middle
].field_selector
== e_nsel
)
5159 return selector_table
[middle
].field_selector
;
5162 while (low
<= high
);
5167 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5170 get_expression (str
)
5176 save_in
= input_line_pointer
;
5177 input_line_pointer
= str
;
5178 seg
= expression (&the_insn
.exp
);
5179 if (!(seg
== absolute_section
5180 || seg
== undefined_section
5181 || SEG_NORMAL (seg
)))
5183 as_warn (_("Bad segment in expression."));
5184 expr_end
= input_line_pointer
;
5185 input_line_pointer
= save_in
;
5188 expr_end
= input_line_pointer
;
5189 input_line_pointer
= save_in
;
5193 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5195 pa_get_absolute_expression (insn
, strp
)
5201 insn
->field_selector
= pa_chk_field_selector (strp
);
5202 save_in
= input_line_pointer
;
5203 input_line_pointer
= *strp
;
5204 expression (&insn
->exp
);
5205 /* This is not perfect, but is a huge improvement over doing nothing.
5207 The PA assembly syntax is ambigious in a variety of ways. Consider
5208 this string "4 %r5" Is that the number 4 followed by the register
5209 r5, or is that 4 MOD r5?
5211 If we get a modulo expresion When looking for an absolute, we try
5212 again cutting off the input string at the first whitespace character. */
5213 if (insn
->exp
.X_op
== O_modulus
)
5218 input_line_pointer
= *strp
;
5220 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5226 retval
= pa_get_absolute_expression (insn
, strp
);
5228 input_line_pointer
= save_in
;
5230 return evaluate_absolute (insn
);
5232 /* When in strict mode we have a non-match, fix up the pointers
5233 and return to our caller. */
5234 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5236 expr_end
= input_line_pointer
;
5237 input_line_pointer
= save_in
;
5240 if (insn
->exp
.X_op
!= O_constant
)
5242 as_bad (_("Bad segment (should be absolute)."));
5243 expr_end
= input_line_pointer
;
5244 input_line_pointer
= save_in
;
5247 expr_end
= input_line_pointer
;
5248 input_line_pointer
= save_in
;
5249 return evaluate_absolute (insn
);
5252 /* Evaluate an absolute expression EXP which may be modified by
5253 the selector FIELD_SELECTOR. Return the value of the expression. */
5255 evaluate_absolute (insn
)
5260 int field_selector
= insn
->field_selector
;
5263 value
= exp
.X_add_number
;
5265 return hppa_field_adjust (0, value
, field_selector
);
5268 /* Given an argument location specification return the associated
5269 argument location number. */
5272 pa_build_arg_reloc (type_name
)
5276 if (strncasecmp (type_name
, "no", 2) == 0)
5278 if (strncasecmp (type_name
, "gr", 2) == 0)
5280 else if (strncasecmp (type_name
, "fr", 2) == 0)
5282 else if (strncasecmp (type_name
, "fu", 2) == 0)
5285 as_bad (_("Invalid argument location: %s\n"), type_name
);
5290 /* Encode and return an argument relocation specification for
5291 the given register in the location specified by arg_reloc. */
5294 pa_align_arg_reloc (reg
, arg_reloc
)
5296 unsigned int arg_reloc
;
5298 unsigned int new_reloc
;
5300 new_reloc
= arg_reloc
;
5316 as_bad (_("Invalid argument description: %d"), reg
);
5322 /* Parse a PA nullification completer (,n). Return nonzero if the
5323 completer was found; return zero if no completer was found. */
5335 if (strncasecmp (*s
, "n", 1) == 0)
5339 as_bad (_("Invalid Nullification: (%c)"), **s
);
5348 /* Parse a non-negated compare/subtract completer returning the
5349 number (for encoding in instrutions) of the given completer. */
5352 pa_parse_nonneg_cmpsub_cmpltr (s
)
5356 char *name
= *s
+ 1;
5365 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5370 if (strcmp (name
, "=") == 0)
5374 else if (strcmp (name
, "<") == 0)
5378 else if (strcmp (name
, "<=") == 0)
5382 else if (strcmp (name
, "<<") == 0)
5386 else if (strcmp (name
, "<<=") == 0)
5390 else if (strcasecmp (name
, "sv") == 0)
5394 else if (strcasecmp (name
, "od") == 0)
5398 /* If we have something like addb,n then there is no condition
5400 else if (strcasecmp (name
, "n") == 0)
5412 /* Reset pointers if this was really a ,n for a branch instruction. */
5419 /* Parse a negated compare/subtract completer returning the
5420 number (for encoding in instrutions) of the given completer. */
5423 pa_parse_neg_cmpsub_cmpltr (s
)
5427 char *name
= *s
+ 1;
5436 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5441 if (strcasecmp (name
, "tr") == 0)
5445 else if (strcmp (name
, "<>") == 0)
5449 else if (strcmp (name
, ">=") == 0)
5453 else if (strcmp (name
, ">") == 0)
5457 else if (strcmp (name
, ">>=") == 0)
5461 else if (strcmp (name
, ">>") == 0)
5465 else if (strcasecmp (name
, "nsv") == 0)
5469 else if (strcasecmp (name
, "ev") == 0)
5473 /* If we have something like addb,n then there is no condition
5475 else if (strcasecmp (name
, "n") == 0)
5487 /* Reset pointers if this was really a ,n for a branch instruction. */
5494 /* Parse a 64 bit compare and branch completer returning the number (for
5495 encoding in instrutions) of the given completer.
5497 Nonnegated comparisons are returned as 0-7, negated comparisons are
5498 returned as 8-15. */
5501 pa_parse_cmpb_64_cmpltr (s
)
5505 char *name
= *s
+ 1;
5512 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5517 if (strcmp (name
, "*") == 0)
5521 else if (strcmp (name
, "*=") == 0)
5525 else if (strcmp (name
, "*<") == 0)
5529 else if (strcmp (name
, "*<=") == 0)
5533 else if (strcmp (name
, "*<<") == 0)
5537 else if (strcmp (name
, "*<<=") == 0)
5541 else if (strcasecmp (name
, "*sv") == 0)
5545 else if (strcasecmp (name
, "*od") == 0)
5549 else if (strcasecmp (name
, "*tr") == 0)
5553 else if (strcmp (name
, "*<>") == 0)
5557 else if (strcmp (name
, "*>=") == 0)
5561 else if (strcmp (name
, "*>") == 0)
5565 else if (strcmp (name
, "*>>=") == 0)
5569 else if (strcmp (name
, "*>>") == 0)
5573 else if (strcasecmp (name
, "*nsv") == 0)
5577 else if (strcasecmp (name
, "*ev") == 0)
5591 /* Parse a 64 bit compare immediate and branch completer returning the number
5592 (for encoding in instrutions) of the given completer. */
5595 pa_parse_cmpib_64_cmpltr (s
)
5599 char *name
= *s
+ 1;
5606 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5611 if (strcmp (name
, "*<<") == 0)
5615 else if (strcmp (name
, "*=") == 0)
5619 else if (strcmp (name
, "*<") == 0)
5623 else if (strcmp (name
, "*<=") == 0)
5627 else if (strcmp (name
, "*>>=") == 0)
5631 else if (strcmp (name
, "*<>") == 0)
5635 else if (strcasecmp (name
, "*>=") == 0)
5639 else if (strcasecmp (name
, "*>") == 0)
5653 /* Parse a non-negated addition completer returning the number
5654 (for encoding in instrutions) of the given completer. */
5657 pa_parse_nonneg_add_cmpltr (s
)
5661 char *name
= *s
+ 1;
5670 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5674 if (strcmp (name
, "=") == 0)
5678 else if (strcmp (name
, "<") == 0)
5682 else if (strcmp (name
, "<=") == 0)
5686 else if (strcasecmp (name
, "nuv") == 0)
5690 else if (strcasecmp (name
, "znv") == 0)
5694 else if (strcasecmp (name
, "sv") == 0)
5698 else if (strcasecmp (name
, "od") == 0)
5702 /* If we have something like addb,n then there is no condition
5704 else if (strcasecmp (name
, "n") == 0)
5716 /* Reset pointers if this was really a ,n for a branch instruction. */
5723 /* Parse a negated addition completer returning the number
5724 (for encoding in instrutions) of the given completer. */
5727 pa_parse_neg_add_cmpltr (s
)
5731 char *name
= *s
+ 1;
5740 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5744 if (strcasecmp (name
, "tr") == 0)
5748 else if (strcmp (name
, "<>") == 0)
5752 else if (strcmp (name
, ">=") == 0)
5756 else if (strcmp (name
, ">") == 0)
5760 else if (strcasecmp (name
, "uv") == 0)
5764 else if (strcasecmp (name
, "vnz") == 0)
5768 else if (strcasecmp (name
, "nsv") == 0)
5772 else if (strcasecmp (name
, "ev") == 0)
5776 /* If we have something like addb,n then there is no condition
5778 else if (strcasecmp (name
, "n") == 0)
5790 /* Reset pointers if this was really a ,n for a branch instruction. */
5797 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5798 encoding in instrutions) of the given completer. */
5801 pa_parse_addb_64_cmpltr (s
)
5805 char *name
= *s
+ 1;
5814 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5818 if (strcmp (name
, "=") == 0)
5822 else if (strcmp (name
, "<") == 0)
5826 else if (strcmp (name
, "<=") == 0)
5830 else if (strcasecmp (name
, "nuv") == 0)
5834 else if (strcasecmp (name
, "*=") == 0)
5838 else if (strcasecmp (name
, "*<") == 0)
5842 else if (strcasecmp (name
, "*<=") == 0)
5846 else if (strcmp (name
, "tr") == 0)
5850 else if (strcmp (name
, "<>") == 0)
5854 else if (strcmp (name
, ">=") == 0)
5858 else if (strcmp (name
, ">") == 0)
5862 else if (strcasecmp (name
, "uv") == 0)
5866 else if (strcasecmp (name
, "*<>") == 0)
5870 else if (strcasecmp (name
, "*>=") == 0)
5874 else if (strcasecmp (name
, "*>") == 0)
5878 /* If we have something like addb,n then there is no condition
5880 else if (strcasecmp (name
, "n") == 0)
5892 /* Reset pointers if this was really a ,n for a branch instruction. */
5900 /* Handle an alignment directive. Special so that we can update the
5901 alignment of the subspace if necessary. */
5906 /* We must have a valid space and subspace. */
5907 pa_check_current_space_and_subspace ();
5909 /* Let the generic gas code do most of the work. */
5910 s_align_bytes (bytes
);
5912 /* If bytes is a power of 2, then update the current subspace's
5913 alignment if necessary. */
5914 if (log2 (bytes
) != -1)
5915 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5919 /* Handle a .BLOCK type pseudo-op. */
5923 int z ATTRIBUTE_UNUSED
;
5927 unsigned int temp_size
;
5931 /* We must have a valid space and subspace. */
5932 pa_check_current_space_and_subspace ();
5935 temp_size
= get_absolute_expression ();
5937 /* Always fill with zeros, that's what the HP assembler does. */
5940 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5941 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5942 memset (p
, 0, temp_size
);
5944 /* Convert 2 bytes at a time. */
5946 for (i
= 0; i
< temp_size
; i
+= 2)
5948 md_number_to_chars (p
+ i
,
5950 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5953 pa_undefine_label ();
5954 demand_empty_rest_of_line ();
5957 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5961 int begin ATTRIBUTE_UNUSED
;
5965 /* The BRTAB relocations are only availble in SOM (to denote
5966 the beginning and end of branch tables). */
5967 char *where
= frag_more (0);
5969 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5970 NULL
, (offsetT
) 0, NULL
,
5971 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5975 demand_empty_rest_of_line ();
5978 /* Handle a .begin_try and .end_try pseudo-op. */
5982 int begin ATTRIBUTE_UNUSED
;
5986 char *where
= frag_more (0);
5991 /* The TRY relocations are only availble in SOM (to denote
5992 the beginning and end of exception handling regions). */
5994 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5995 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5996 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6000 demand_empty_rest_of_line ();
6003 /* Handle a .CALL pseudo-op. This involves storing away information
6004 about where arguments are to be found so the linker can detect
6005 (and correct) argument location mismatches between caller and callee. */
6009 int unused ATTRIBUTE_UNUSED
;
6012 /* We must have a valid space and subspace. */
6013 pa_check_current_space_and_subspace ();
6016 pa_call_args (&last_call_desc
);
6017 demand_empty_rest_of_line ();
6020 /* Do the dirty work of building a call descriptor which describes
6021 where the caller placed arguments to a function call. */
6024 pa_call_args (call_desc
)
6025 struct call_desc
*call_desc
;
6028 unsigned int temp
, arg_reloc
;
6030 while (!is_end_of_statement ())
6032 name
= input_line_pointer
;
6033 c
= get_symbol_end ();
6034 /* Process a source argument. */
6035 if ((strncasecmp (name
, "argw", 4) == 0))
6037 temp
= atoi (name
+ 4);
6038 p
= input_line_pointer
;
6040 input_line_pointer
++;
6041 name
= input_line_pointer
;
6042 c
= get_symbol_end ();
6043 arg_reloc
= pa_build_arg_reloc (name
);
6044 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6046 /* Process a return value. */
6047 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6049 p
= input_line_pointer
;
6051 input_line_pointer
++;
6052 name
= input_line_pointer
;
6053 c
= get_symbol_end ();
6054 arg_reloc
= pa_build_arg_reloc (name
);
6055 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6059 as_bad (_("Invalid .CALL argument: %s"), name
);
6061 p
= input_line_pointer
;
6063 if (!is_end_of_statement ())
6064 input_line_pointer
++;
6068 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6071 is_same_frag (frag1
, frag2
)
6078 else if (frag2
== NULL
)
6080 else if (frag1
== frag2
)
6082 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6083 return (is_same_frag (frag1
, frag2
->fr_next
));
6089 /* Build an entry in the UNWIND subspace from the given function
6090 attributes in CALL_INFO. This is not needed for SOM as using
6091 R_ENTRY and R_EXIT relocations allow the linker to handle building
6092 of the unwind spaces. */
6095 pa_build_unwind_subspace (call_info
)
6096 struct call_info
*call_info
;
6098 asection
*seg
, *save_seg
;
6099 subsegT save_subseg
;
6100 unsigned int unwind
;
6104 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6105 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6106 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6109 reloc
= R_PARISC_SEGREL32
;
6111 save_subseg
= now_subseg
;
6112 /* Get into the right seg/subseg. This may involve creating
6113 the seg the first time through. Make sure to have the
6114 old seg/subseg so that we can reset things when we are done. */
6115 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6116 if (seg
== ASEC_NULL
)
6118 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6119 bfd_set_section_flags (stdoutput
, seg
,
6120 SEC_READONLY
| SEC_HAS_CONTENTS
6121 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6122 bfd_set_section_alignment (stdoutput
, seg
, 2);
6125 subseg_set (seg
, 0);
6127 /* Get some space to hold relocation information for the unwind
6131 /* Relocation info. for start offset of the function. */
6132 md_number_to_chars (p
, 0, 4);
6133 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6134 call_info
->start_symbol
, (offsetT
) 0,
6135 (expressionS
*) NULL
, 0, reloc
,
6138 /* Relocation info. for end offset of the function.
6140 Because we allow reductions of 32bit relocations for ELF, this will be
6141 reduced to section_sym + offset which avoids putting the temporary
6142 symbol into the symbol table. It (should) end up giving the same
6143 value as call_info->start_symbol + function size once the linker is
6144 finished with its work. */
6145 md_number_to_chars (p
+ 4, 0, 4);
6146 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6147 call_info
->end_symbol
, (offsetT
) 0,
6148 (expressionS
*) NULL
, 0, reloc
,
6151 /* Dump the descriptor. */
6152 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6153 md_number_to_chars (p
+ 8, unwind
, 4);
6155 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6156 md_number_to_chars (p
+ 12, unwind
, 4);
6158 /* Return back to the original segment/subsegment. */
6159 subseg_set (save_seg
, save_subseg
);
6163 /* Process a .CALLINFO pseudo-op. This information is used later
6164 to build unwind descriptors and maybe one day to support
6165 .ENTER and .LEAVE. */
6168 pa_callinfo (unused
)
6169 int unused ATTRIBUTE_UNUSED
;
6175 /* We must have a valid space and subspace. */
6176 pa_check_current_space_and_subspace ();
6179 /* .CALLINFO must appear within a procedure definition. */
6180 if (!within_procedure
)
6181 as_bad (_(".callinfo is not within a procedure definition"));
6183 /* Mark the fact that we found the .CALLINFO for the
6184 current procedure. */
6185 callinfo_found
= TRUE
;
6187 /* Iterate over the .CALLINFO arguments. */
6188 while (!is_end_of_statement ())
6190 name
= input_line_pointer
;
6191 c
= get_symbol_end ();
6192 /* Frame size specification. */
6193 if ((strncasecmp (name
, "frame", 5) == 0))
6195 p
= input_line_pointer
;
6197 input_line_pointer
++;
6198 temp
= get_absolute_expression ();
6199 if ((temp
& 0x3) != 0)
6201 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6205 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6206 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6209 /* Entry register (GR, GR and SR) specifications. */
6210 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6212 p
= input_line_pointer
;
6214 input_line_pointer
++;
6215 temp
= get_absolute_expression ();
6216 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6217 even though %r19 is caller saved. I think this is a bug in
6218 the HP assembler, and we are not going to emulate it. */
6219 if (temp
< 3 || temp
> 18)
6220 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6221 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6223 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6225 p
= input_line_pointer
;
6227 input_line_pointer
++;
6228 temp
= get_absolute_expression ();
6229 /* Similarly the HP assembler takes 31 as the high bound even
6230 though %fr21 is the last callee saved floating point register. */
6231 if (temp
< 12 || temp
> 21)
6232 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6233 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6235 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6237 p
= input_line_pointer
;
6239 input_line_pointer
++;
6240 temp
= get_absolute_expression ();
6242 as_bad (_("Value for ENTRY_SR must be 3\n"));
6244 /* Note whether or not this function performs any calls. */
6245 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6246 (strncasecmp (name
, "caller", 6) == 0))
6248 p
= input_line_pointer
;
6251 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6253 p
= input_line_pointer
;
6256 /* Should RP be saved into the stack. */
6257 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6259 p
= input_line_pointer
;
6261 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6263 /* Likewise for SP. */
6264 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6266 p
= input_line_pointer
;
6268 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6270 /* Is this an unwindable procedure. If so mark it so
6271 in the unwind descriptor. */
6272 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6274 p
= input_line_pointer
;
6276 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6278 /* Is this an interrupt routine. If so mark it in the
6279 unwind descriptor. */
6280 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6282 p
= input_line_pointer
;
6284 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6286 /* Is this a millicode routine. "millicode" isn't in my
6287 assembler manual, but my copy is old. The HP assembler
6288 accepts it, and there's a place in the unwind descriptor
6289 to drop the information, so we'll accept it too. */
6290 else if ((strncasecmp (name
, "millicode", 9) == 0))
6292 p
= input_line_pointer
;
6294 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6298 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6299 *input_line_pointer
= c
;
6301 if (!is_end_of_statement ())
6302 input_line_pointer
++;
6305 demand_empty_rest_of_line ();
6308 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
6309 /* Switch to the text space. Like s_text, but delete our
6310 label when finished. */
6313 int unused ATTRIBUTE_UNUSED
;
6316 current_space
= is_defined_space ("$TEXT$");
6318 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6322 pa_undefine_label ();
6325 /* Switch to the data space. As usual delete our label. */
6328 int unused ATTRIBUTE_UNUSED
;
6331 current_space
= is_defined_space ("$PRIVATE$");
6333 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6336 pa_undefine_label ();
6339 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6340 the .comm pseudo-op has the following symtax:
6342 <label> .comm <length>
6344 where <label> is optional and is a symbol whose address will be the start of
6345 a block of memory <length> bytes long. <length> must be an absolute
6346 expression. <length> bytes will be allocated in the current space
6349 Also note the label may not even be on the same line as the .comm.
6351 This difference in syntax means the colon function will be called
6352 on the symbol before we arrive in pa_comm. colon will set a number
6353 of attributes of the symbol that need to be fixed here. In particular
6354 the value, section pointer, fragment pointer, flags, etc. What
6357 This also makes error detection all but impossible. */
6361 int unused ATTRIBUTE_UNUSED
;
6365 label_symbol_struct
*label_symbol
= pa_get_label ();
6368 symbol
= label_symbol
->lss_label
;
6373 size
= get_absolute_expression ();
6377 S_SET_VALUE (symbol
, size
);
6378 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6379 S_SET_EXTERNAL (symbol
);
6381 /* colon() has already set the frag to the current location in the
6382 current subspace; we need to reset the fragment to the zero address
6383 fragment. We also need to reset the segment pointer. */
6384 symbol_set_frag (symbol
, &zero_address_frag
);
6386 demand_empty_rest_of_line ();
6388 #endif /* !(defined (OBJ_ELF) && defined (TE_LINUX)) */
6390 /* Process a .END pseudo-op. */
6394 int unused ATTRIBUTE_UNUSED
;
6396 demand_empty_rest_of_line ();
6399 /* Process a .ENTER pseudo-op. This is not supported. */
6402 int unused ATTRIBUTE_UNUSED
;
6405 /* We must have a valid space and subspace. */
6406 pa_check_current_space_and_subspace ();
6409 as_bad (_("The .ENTER pseudo-op is not supported"));
6410 demand_empty_rest_of_line ();
6413 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6417 int unused ATTRIBUTE_UNUSED
;
6420 /* We must have a valid space and subspace. */
6421 pa_check_current_space_and_subspace ();
6424 if (!within_procedure
)
6425 as_bad (_("Misplaced .entry. Ignored."));
6428 if (!callinfo_found
)
6429 as_bad (_("Missing .callinfo."));
6431 demand_empty_rest_of_line ();
6432 within_entry_exit
= TRUE
;
6435 /* SOM defers building of unwind descriptors until the link phase.
6436 The assembler is responsible for creating an R_ENTRY relocation
6437 to mark the beginning of a region and hold the unwind bits, and
6438 for creating an R_EXIT relocation to mark the end of the region.
6440 FIXME. ELF should be using the same conventions! The problem
6441 is an unwind requires too much relocation space. Hmmm. Maybe
6442 if we split the unwind bits up between the relocations which
6443 denote the entry and exit points. */
6444 if (last_call_info
->start_symbol
!= NULL
)
6449 where
= frag_more (0);
6450 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6451 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6452 NULL
, (offsetT
) 0, NULL
,
6453 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6458 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6459 being able to subtract two register symbols that specify a range of
6460 registers, to get the size of the range. */
6461 static int fudge_reg_expressions
;
6464 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6465 expressionS
*resultP
;
6466 operatorT op ATTRIBUTE_UNUSED
;
6467 expressionS
*rightP
;
6469 if (fudge_reg_expressions
6470 && rightP
->X_op
== O_register
6471 && resultP
->X_op
== O_register
)
6473 rightP
->X_op
= O_constant
;
6474 resultP
->X_op
= O_constant
;
6476 return 0; /* Continue normal expr handling. */
6479 /* Handle a .EQU pseudo-op. */
6485 label_symbol_struct
*label_symbol
= pa_get_label ();
6490 symbol
= label_symbol
->lss_label
;
6494 if (!pa_parse_number (&input_line_pointer
, 0))
6495 as_bad (_(".REG expression must be a register"));
6496 S_SET_VALUE (symbol
, pa_number
);
6497 S_SET_SEGMENT (symbol
, reg_section
);
6504 fudge_reg_expressions
= 1;
6505 seg
= expression (&exp
);
6506 fudge_reg_expressions
= 0;
6507 if (exp
.X_op
!= O_constant
6508 && exp
.X_op
!= O_register
)
6510 if (exp
.X_op
!= O_absent
)
6511 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6512 exp
.X_add_number
= 0;
6513 seg
= absolute_section
;
6515 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6516 S_SET_SEGMENT (symbol
, seg
);
6522 as_bad (_(".REG must use a label"));
6524 as_bad (_(".EQU must use a label"));
6527 pa_undefine_label ();
6528 demand_empty_rest_of_line ();
6531 /* Helper function. Does processing for the end of a function. This
6532 usually involves creating some relocations or building special
6533 symbols to mark the end of the function. */
6540 where
= frag_more (0);
6543 /* Mark the end of the function, stuff away the location of the frag
6544 for the end of the function, and finally call pa_build_unwind_subspace
6545 to add an entry in the unwind table. */
6546 hppa_elf_mark_end_of_function ();
6547 pa_build_unwind_subspace (last_call_info
);
6549 /* SOM defers building of unwind descriptors until the link phase.
6550 The assembler is responsible for creating an R_ENTRY relocation
6551 to mark the beginning of a region and hold the unwind bits, and
6552 for creating an R_EXIT relocation to mark the end of the region.
6554 FIXME. ELF should be using the same conventions! The problem
6555 is an unwind requires too much relocation space. Hmmm. Maybe
6556 if we split the unwind bits up between the relocations which
6557 denote the entry and exit points. */
6558 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6560 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6561 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6565 /* Process a .EXIT pseudo-op. */
6569 int unused ATTRIBUTE_UNUSED
;
6572 /* We must have a valid space and subspace. */
6573 pa_check_current_space_and_subspace ();
6576 if (!within_procedure
)
6577 as_bad (_(".EXIT must appear within a procedure"));
6580 if (!callinfo_found
)
6581 as_bad (_("Missing .callinfo"));
6584 if (!within_entry_exit
)
6585 as_bad (_("No .ENTRY for this .EXIT"));
6588 within_entry_exit
= FALSE
;
6593 demand_empty_rest_of_line ();
6596 /* Process a .EXPORT directive. This makes functions external
6597 and provides information such as argument relocation entries
6602 int unused ATTRIBUTE_UNUSED
;
6607 name
= input_line_pointer
;
6608 c
= get_symbol_end ();
6609 /* Make sure the given symbol exists. */
6610 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6612 as_bad (_("Cannot define export symbol: %s\n"), name
);
6613 p
= input_line_pointer
;
6615 input_line_pointer
++;
6619 /* OK. Set the external bits and process argument relocations.
6620 For the HP, weak and global are not mutually exclusive.
6621 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6622 Call S_SET_EXTERNAL to get the other processing. Manually
6623 set BSF_GLOBAL when we get back. */
6624 S_SET_EXTERNAL (symbol
);
6625 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6626 p
= input_line_pointer
;
6628 if (!is_end_of_statement ())
6630 input_line_pointer
++;
6631 pa_type_args (symbol
, 1);
6635 demand_empty_rest_of_line ();
6638 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6641 pa_type_args (symbolP
, is_export
)
6646 unsigned int temp
, arg_reloc
;
6647 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6648 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6650 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6653 input_line_pointer
+= 8;
6654 bfdsym
->flags
&= ~BSF_FUNCTION
;
6655 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6656 type
= SYMBOL_TYPE_ABSOLUTE
;
6658 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6660 input_line_pointer
+= 4;
6661 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6662 instead one should be IMPORTing/EXPORTing ENTRY types.
6664 Complain if one tries to EXPORT a CODE type since that's never
6665 done. Both GCC and HP C still try to IMPORT CODE types, so
6666 silently fix them to be ENTRY types. */
6667 if (S_IS_FUNCTION (symbolP
))
6670 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6671 S_GET_NAME (symbolP
));
6673 bfdsym
->flags
|= BSF_FUNCTION
;
6674 type
= SYMBOL_TYPE_ENTRY
;
6678 bfdsym
->flags
&= ~BSF_FUNCTION
;
6679 type
= SYMBOL_TYPE_CODE
;
6682 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6684 input_line_pointer
+= 4;
6685 bfdsym
->flags
&= ~BSF_FUNCTION
;
6686 bfdsym
->flags
|= BSF_OBJECT
;
6687 type
= SYMBOL_TYPE_DATA
;
6689 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6691 input_line_pointer
+= 5;
6692 bfdsym
->flags
|= BSF_FUNCTION
;
6693 type
= SYMBOL_TYPE_ENTRY
;
6695 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6697 input_line_pointer
+= 9;
6698 bfdsym
->flags
|= BSF_FUNCTION
;
6701 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6702 elfsym
->internal_elf_sym
.st_info
=
6703 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6707 type
= SYMBOL_TYPE_MILLICODE
;
6709 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6711 input_line_pointer
+= 6;
6712 bfdsym
->flags
&= ~BSF_FUNCTION
;
6713 type
= SYMBOL_TYPE_PLABEL
;
6715 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6717 input_line_pointer
+= 8;
6718 bfdsym
->flags
|= BSF_FUNCTION
;
6719 type
= SYMBOL_TYPE_PRI_PROG
;
6721 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6723 input_line_pointer
+= 8;
6724 bfdsym
->flags
|= BSF_FUNCTION
;
6725 type
= SYMBOL_TYPE_SEC_PROG
;
6728 /* SOM requires much more information about symbol types
6729 than BFD understands. This is how we get this information
6730 to the SOM BFD backend. */
6731 #ifdef obj_set_symbol_type
6732 obj_set_symbol_type (bfdsym
, (int) type
);
6735 /* Now that the type of the exported symbol has been handled,
6736 handle any argument relocation information. */
6737 while (!is_end_of_statement ())
6739 if (*input_line_pointer
== ',')
6740 input_line_pointer
++;
6741 name
= input_line_pointer
;
6742 c
= get_symbol_end ();
6743 /* Argument sources. */
6744 if ((strncasecmp (name
, "argw", 4) == 0))
6746 p
= input_line_pointer
;
6748 input_line_pointer
++;
6749 temp
= atoi (name
+ 4);
6750 name
= input_line_pointer
;
6751 c
= get_symbol_end ();
6752 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6753 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6754 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6756 *input_line_pointer
= c
;
6758 /* The return value. */
6759 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6761 p
= input_line_pointer
;
6763 input_line_pointer
++;
6764 name
= input_line_pointer
;
6765 c
= get_symbol_end ();
6766 arg_reloc
= pa_build_arg_reloc (name
);
6767 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6768 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6770 *input_line_pointer
= c
;
6772 /* Privelege level. */
6773 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6775 p
= input_line_pointer
;
6777 input_line_pointer
++;
6778 temp
= atoi (input_line_pointer
);
6780 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6782 c
= get_symbol_end ();
6783 *input_line_pointer
= c
;
6787 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6788 p
= input_line_pointer
;
6791 if (!is_end_of_statement ())
6792 input_line_pointer
++;
6796 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6797 assembly file must either be defined in the assembly file, or
6798 explicitly IMPORTED from another. */
6802 int unused ATTRIBUTE_UNUSED
;
6807 name
= input_line_pointer
;
6808 c
= get_symbol_end ();
6810 symbol
= symbol_find (name
);
6811 /* Ugh. We might be importing a symbol defined earlier in the file,
6812 in which case all the code below will really screw things up
6813 (set the wrong segment, symbol flags & type, etc). */
6814 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6816 symbol
= symbol_find_or_make (name
);
6817 p
= input_line_pointer
;
6820 if (!is_end_of_statement ())
6822 input_line_pointer
++;
6823 pa_type_args (symbol
, 0);
6827 /* Sigh. To be compatable with the HP assembler and to help
6828 poorly written assembly code, we assign a type based on
6829 the the current segment. Note only BSF_FUNCTION really
6830 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6831 if (now_seg
== text_section
)
6832 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6834 /* If the section is undefined, then the symbol is undefined
6835 Since this is an import, leave the section undefined. */
6836 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6841 /* The symbol was already defined. Just eat everything up to
6842 the end of the current statement. */
6843 while (!is_end_of_statement ())
6844 input_line_pointer
++;
6847 demand_empty_rest_of_line ();
6850 /* Handle a .LABEL pseudo-op. */
6854 int unused ATTRIBUTE_UNUSED
;
6858 name
= input_line_pointer
;
6859 c
= get_symbol_end ();
6861 if (strlen (name
) > 0)
6864 p
= input_line_pointer
;
6869 as_warn (_("Missing label name on .LABEL"));
6872 if (!is_end_of_statement ())
6874 as_warn (_("extra .LABEL arguments ignored."));
6875 ignore_rest_of_line ();
6877 demand_empty_rest_of_line ();
6880 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6884 int unused ATTRIBUTE_UNUSED
;
6887 /* We must have a valid space and subspace. */
6888 pa_check_current_space_and_subspace ();
6891 as_bad (_("The .LEAVE pseudo-op is not supported"));
6892 demand_empty_rest_of_line ();
6895 /* Handle a .LEVEL pseudo-op. */
6899 int unused ATTRIBUTE_UNUSED
;
6903 level
= input_line_pointer
;
6904 if (strncmp (level
, "1.0", 3) == 0)
6906 input_line_pointer
+= 3;
6907 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6908 as_warn (_("could not set architecture and machine"));
6910 else if (strncmp (level
, "1.1", 3) == 0)
6912 input_line_pointer
+= 3;
6913 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6914 as_warn (_("could not set architecture and machine"));
6916 else if (strncmp (level
, "2.0w", 4) == 0)
6918 input_line_pointer
+= 4;
6919 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6920 as_warn (_("could not set architecture and machine"));
6922 else if (strncmp (level
, "2.0", 3) == 0)
6924 input_line_pointer
+= 3;
6925 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6926 as_warn (_("could not set architecture and machine"));
6930 as_bad (_("Unrecognized .LEVEL argument\n"));
6931 ignore_rest_of_line ();
6933 demand_empty_rest_of_line ();
6936 /* Handle a .ORIGIN pseudo-op. */
6940 int unused ATTRIBUTE_UNUSED
;
6943 /* We must have a valid space and subspace. */
6944 pa_check_current_space_and_subspace ();
6948 pa_undefine_label ();
6951 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6952 is for static functions. FIXME. Should share more code with .EXPORT. */
6956 int unused ATTRIBUTE_UNUSED
;
6961 name
= input_line_pointer
;
6962 c
= get_symbol_end ();
6964 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6966 as_bad (_("Cannot define static symbol: %s\n"), name
);
6967 p
= input_line_pointer
;
6969 input_line_pointer
++;
6973 S_CLEAR_EXTERNAL (symbol
);
6974 p
= input_line_pointer
;
6976 if (!is_end_of_statement ())
6978 input_line_pointer
++;
6979 pa_type_args (symbol
, 0);
6983 demand_empty_rest_of_line ();
6986 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6987 of a procedure from a syntactical point of view. */
6991 int unused ATTRIBUTE_UNUSED
;
6993 struct call_info
*call_info
;
6996 /* We must have a valid space and subspace. */
6997 pa_check_current_space_and_subspace ();
7000 if (within_procedure
)
7001 as_fatal (_("Nested procedures"));
7003 /* Reset global variables for new procedure. */
7004 callinfo_found
= FALSE
;
7005 within_procedure
= TRUE
;
7007 /* Create another call_info structure. */
7008 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7011 as_fatal (_("Cannot allocate unwind descriptor\n"));
7013 memset (call_info
, 0, sizeof (struct call_info
));
7015 call_info
->ci_next
= NULL
;
7017 if (call_info_root
== NULL
)
7019 call_info_root
= call_info
;
7020 last_call_info
= call_info
;
7024 last_call_info
->ci_next
= call_info
;
7025 last_call_info
= call_info
;
7028 /* set up defaults on call_info structure */
7030 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7031 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7032 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7034 /* If we got a .PROC pseudo-op, we know that the function is defined
7035 locally. Make sure it gets into the symbol table. */
7037 label_symbol_struct
*label_symbol
= pa_get_label ();
7041 if (label_symbol
->lss_label
)
7043 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7044 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7047 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7050 last_call_info
->start_symbol
= NULL
;
7053 demand_empty_rest_of_line ();
7056 /* Process the syntatical end of a procedure. Make sure all the
7057 appropriate pseudo-ops were found within the procedure. */
7061 int unused ATTRIBUTE_UNUSED
;
7065 /* We must have a valid space and subspace. */
7066 pa_check_current_space_and_subspace ();
7069 /* If we are within a procedure definition, make sure we've
7070 defined a label for the procedure; handle case where the
7071 label was defined after the .PROC directive.
7073 Note there's not need to diddle with the segment or fragment
7074 for the label symbol in this case. We have already switched
7075 into the new $CODE$ subspace at this point. */
7076 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7078 label_symbol_struct
*label_symbol
= pa_get_label ();
7082 if (label_symbol
->lss_label
)
7084 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7085 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7088 /* Also handle allocation of a fixup to hold the unwind
7089 information when the label appears after the proc/procend. */
7090 if (within_entry_exit
)
7095 where
= frag_more (0);
7096 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7097 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7098 NULL
, (offsetT
) 0, NULL
,
7099 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7104 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7107 as_bad (_("Missing function name for .PROC"));
7110 if (!within_procedure
)
7111 as_bad (_("misplaced .procend"));
7113 if (!callinfo_found
)
7114 as_bad (_("Missing .callinfo for this procedure"));
7116 if (within_entry_exit
)
7117 as_bad (_("Missing .EXIT for a .ENTRY"));
7120 /* ELF needs to mark the end of each function so that it can compute
7121 the size of the function (apparently its needed in the symbol table). */
7122 hppa_elf_mark_end_of_function ();
7125 within_procedure
= FALSE
;
7126 demand_empty_rest_of_line ();
7127 pa_undefine_label ();
7131 /* If VALUE is an exact power of two between zero and 2^31, then
7132 return log2 (VALUE). Else return -1. */
7140 while ((1 << shift
) != value
&& shift
< 32)
7149 /* Check to make sure we have a valid space and subspace. */
7152 pa_check_current_space_and_subspace ()
7154 if (current_space
== NULL
)
7155 as_fatal (_("Not in a space.\n"));
7157 if (current_subspace
== NULL
)
7158 as_fatal (_("Not in a subspace.\n"));
7161 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7162 then create a new space entry to hold the information specified
7163 by the parameters to the .SPACE directive. */
7165 static sd_chain_struct
*
7166 pa_parse_space_stmt (space_name
, create_flag
)
7170 char *name
, *ptemp
, c
;
7171 char loadable
, defined
, private, sort
;
7173 asection
*seg
= NULL
;
7174 sd_chain_struct
*space
;
7176 /* load default values */
7182 if (strcmp (space_name
, "$TEXT$") == 0)
7184 seg
= pa_def_spaces
[0].segment
;
7185 defined
= pa_def_spaces
[0].defined
;
7186 private = pa_def_spaces
[0].private;
7187 sort
= pa_def_spaces
[0].sort
;
7188 spnum
= pa_def_spaces
[0].spnum
;
7190 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7192 seg
= pa_def_spaces
[1].segment
;
7193 defined
= pa_def_spaces
[1].defined
;
7194 private = pa_def_spaces
[1].private;
7195 sort
= pa_def_spaces
[1].sort
;
7196 spnum
= pa_def_spaces
[1].spnum
;
7199 if (!is_end_of_statement ())
7201 print_errors
= FALSE
;
7202 ptemp
= input_line_pointer
+ 1;
7203 /* First see if the space was specified as a number rather than
7204 as a name. According to the PA assembly manual the rest of
7205 the line should be ignored. */
7207 pa_parse_number (&ptemp
, 0);
7211 input_line_pointer
= ptemp
;
7215 while (!is_end_of_statement ())
7217 input_line_pointer
++;
7218 name
= input_line_pointer
;
7219 c
= get_symbol_end ();
7220 if ((strncasecmp (name
, "spnum", 5) == 0))
7222 *input_line_pointer
= c
;
7223 input_line_pointer
++;
7224 spnum
= get_absolute_expression ();
7226 else if ((strncasecmp (name
, "sort", 4) == 0))
7228 *input_line_pointer
= c
;
7229 input_line_pointer
++;
7230 sort
= get_absolute_expression ();
7232 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7234 *input_line_pointer
= c
;
7237 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7239 *input_line_pointer
= c
;
7242 else if ((strncasecmp (name
, "private", 7) == 0))
7244 *input_line_pointer
= c
;
7249 as_bad (_("Invalid .SPACE argument"));
7250 *input_line_pointer
= c
;
7251 if (!is_end_of_statement ())
7252 input_line_pointer
++;
7256 print_errors
= TRUE
;
7259 if (create_flag
&& seg
== NULL
)
7260 seg
= subseg_new (space_name
, 0);
7262 /* If create_flag is nonzero, then create the new space with
7263 the attributes computed above. Else set the values in
7264 an already existing space -- this can only happen for
7265 the first occurence of a built-in space. */
7267 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7268 private, sort
, seg
, 1);
7271 space
= is_defined_space (space_name
);
7272 SPACE_SPNUM (space
) = spnum
;
7273 SPACE_DEFINED (space
) = defined
& 1;
7274 SPACE_USER_DEFINED (space
) = 1;
7277 #ifdef obj_set_section_attributes
7278 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7284 /* Handle a .SPACE pseudo-op; this switches the current space to the
7285 given space, creating the new space if necessary. */
7289 int unused ATTRIBUTE_UNUSED
;
7291 char *name
, c
, *space_name
, *save_s
;
7292 sd_chain_struct
*sd_chain
;
7294 if (within_procedure
)
7296 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7297 ignore_rest_of_line ();
7301 /* Check for some of the predefined spaces. FIXME: most of the code
7302 below is repeated several times, can we extract the common parts
7303 and place them into a subroutine or something similar? */
7304 /* FIXME Is this (and the next IF stmt) really right?
7305 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7306 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7308 input_line_pointer
+= 6;
7309 sd_chain
= is_defined_space ("$TEXT$");
7310 if (sd_chain
== NULL
)
7311 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7312 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7313 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7315 current_space
= sd_chain
;
7316 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7318 = pa_subsegment_to_subspace (text_section
,
7319 sd_chain
->sd_last_subseg
);
7320 demand_empty_rest_of_line ();
7323 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7325 input_line_pointer
+= 9;
7326 sd_chain
= is_defined_space ("$PRIVATE$");
7327 if (sd_chain
== NULL
)
7328 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7329 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7330 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7332 current_space
= sd_chain
;
7333 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7335 = pa_subsegment_to_subspace (data_section
,
7336 sd_chain
->sd_last_subseg
);
7337 demand_empty_rest_of_line ();
7340 if (!strncasecmp (input_line_pointer
,
7341 GDB_DEBUG_SPACE_NAME
,
7342 strlen (GDB_DEBUG_SPACE_NAME
)))
7344 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7345 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7346 if (sd_chain
== NULL
)
7347 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7348 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7349 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7351 current_space
= sd_chain
;
7354 asection
*gdb_section
7355 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7357 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7359 = pa_subsegment_to_subspace (gdb_section
,
7360 sd_chain
->sd_last_subseg
);
7362 demand_empty_rest_of_line ();
7366 /* It could be a space specified by number. */
7368 save_s
= input_line_pointer
;
7370 pa_parse_number (&input_line_pointer
, 0);
7373 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7375 current_space
= sd_chain
;
7377 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7379 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7380 sd_chain
->sd_last_subseg
);
7381 demand_empty_rest_of_line ();
7386 /* Not a number, attempt to create a new space. */
7388 input_line_pointer
= save_s
;
7389 name
= input_line_pointer
;
7390 c
= get_symbol_end ();
7391 space_name
= xmalloc (strlen (name
) + 1);
7392 strcpy (space_name
, name
);
7393 *input_line_pointer
= c
;
7395 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7396 current_space
= sd_chain
;
7398 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7399 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7400 sd_chain
->sd_last_subseg
);
7401 demand_empty_rest_of_line ();
7405 /* Switch to a new space. (I think). FIXME. */
7409 int unused ATTRIBUTE_UNUSED
;
7414 sd_chain_struct
*space
;
7416 name
= input_line_pointer
;
7417 c
= get_symbol_end ();
7418 space
= is_defined_space (name
);
7422 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7425 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7427 *input_line_pointer
= c
;
7428 demand_empty_rest_of_line ();
7431 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7432 given subspace, creating the new subspace if necessary.
7434 FIXME. Should mirror pa_space more closely, in particular how
7435 they're broken up into subroutines. */
7438 pa_subspace (create_new
)
7441 char *name
, *ss_name
, c
;
7442 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
7443 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7444 sd_chain_struct
*space
;
7445 ssd_chain_struct
*ssd
;
7448 if (current_space
== NULL
)
7449 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7451 if (within_procedure
)
7453 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7454 ignore_rest_of_line ();
7458 name
= input_line_pointer
;
7459 c
= get_symbol_end ();
7460 ss_name
= xmalloc (strlen (name
) + 1);
7461 strcpy (ss_name
, name
);
7462 *input_line_pointer
= c
;
7464 /* Load default values. */
7476 space
= current_space
;
7480 ssd
= is_defined_subspace (ss_name
);
7481 /* Allow user to override the builtin attributes of subspaces. But
7482 only allow the attributes to be changed once! */
7483 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7485 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7486 current_subspace
= ssd
;
7487 if (!is_end_of_statement ())
7488 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7489 demand_empty_rest_of_line ();
7494 /* A new subspace. Load default values if it matches one of
7495 the builtin subspaces. */
7497 while (pa_def_subspaces
[i
].name
)
7499 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7501 loadable
= pa_def_subspaces
[i
].loadable
;
7502 common
= pa_def_subspaces
[i
].common
;
7503 dup_common
= pa_def_subspaces
[i
].dup_common
;
7504 code_only
= pa_def_subspaces
[i
].code_only
;
7505 zero
= pa_def_subspaces
[i
].zero
;
7506 space_index
= pa_def_subspaces
[i
].space_index
;
7507 alignment
= pa_def_subspaces
[i
].alignment
;
7508 quadrant
= pa_def_subspaces
[i
].quadrant
;
7509 access
= pa_def_subspaces
[i
].access
;
7510 sort
= pa_def_subspaces
[i
].sort
;
7517 /* We should be working with a new subspace now. Fill in
7518 any information as specified by the user. */
7519 if (!is_end_of_statement ())
7521 input_line_pointer
++;
7522 while (!is_end_of_statement ())
7524 name
= input_line_pointer
;
7525 c
= get_symbol_end ();
7526 if ((strncasecmp (name
, "quad", 4) == 0))
7528 *input_line_pointer
= c
;
7529 input_line_pointer
++;
7530 quadrant
= get_absolute_expression ();
7532 else if ((strncasecmp (name
, "align", 5) == 0))
7534 *input_line_pointer
= c
;
7535 input_line_pointer
++;
7536 alignment
= get_absolute_expression ();
7537 if (log2 (alignment
) == -1)
7539 as_bad (_("Alignment must be a power of 2"));
7543 else if ((strncasecmp (name
, "access", 6) == 0))
7545 *input_line_pointer
= c
;
7546 input_line_pointer
++;
7547 access
= get_absolute_expression ();
7549 else if ((strncasecmp (name
, "sort", 4) == 0))
7551 *input_line_pointer
= c
;
7552 input_line_pointer
++;
7553 sort
= get_absolute_expression ();
7555 else if ((strncasecmp (name
, "code_only", 9) == 0))
7557 *input_line_pointer
= c
;
7560 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7562 *input_line_pointer
= c
;
7565 else if ((strncasecmp (name
, "common", 6) == 0))
7567 *input_line_pointer
= c
;
7570 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7572 *input_line_pointer
= c
;
7575 else if ((strncasecmp (name
, "zero", 4) == 0))
7577 *input_line_pointer
= c
;
7580 else if ((strncasecmp (name
, "first", 5) == 0))
7581 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7583 as_bad (_("Invalid .SUBSPACE argument"));
7584 if (!is_end_of_statement ())
7585 input_line_pointer
++;
7589 /* Compute a reasonable set of BFD flags based on the information
7590 in the .subspace directive. */
7591 applicable
= bfd_applicable_section_flags (stdoutput
);
7594 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7597 if (common
|| dup_common
)
7598 flags
|= SEC_IS_COMMON
;
7600 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7602 /* This is a zero-filled subspace (eg BSS). */
7604 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7606 applicable
&= flags
;
7608 /* If this is an existing subspace, then we want to use the
7609 segment already associated with the subspace.
7611 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7612 lots of sections. It might be a problem in the PA ELF
7613 code, I do not know yet. For now avoid creating anything
7614 but the "standard" sections for ELF. */
7616 section
= subseg_force_new (ss_name
, 0);
7618 section
= ssd
->ssd_seg
;
7620 section
= subseg_new (ss_name
, 0);
7623 seg_info (section
)->bss
= 1;
7625 /* Now set the flags. */
7626 bfd_set_section_flags (stdoutput
, section
, applicable
);
7628 /* Record any alignment request for this section. */
7629 record_alignment (section
, log2 (alignment
));
7631 /* Set the starting offset for this section. */
7632 bfd_set_section_vma (stdoutput
, section
,
7633 pa_subspace_start (space
, quadrant
));
7635 /* Now that all the flags are set, update an existing subspace,
7636 or create a new one. */
7639 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7640 code_only
, common
, dup_common
,
7641 sort
, zero
, access
, space_index
,
7642 alignment
, quadrant
,
7645 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7647 dup_common
, zero
, sort
,
7648 access
, space_index
,
7649 alignment
, quadrant
, section
);
7651 demand_empty_rest_of_line ();
7652 current_subspace
->ssd_seg
= section
;
7653 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7655 SUBSPACE_DEFINED (current_subspace
) = 1;
7658 /* Create default space and subspace dictionaries. */
7665 space_dict_root
= NULL
;
7666 space_dict_last
= NULL
;
7669 while (pa_def_spaces
[i
].name
)
7673 /* Pick the right name to use for the new section. */
7674 name
= pa_def_spaces
[i
].name
;
7676 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7677 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7678 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7679 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7680 pa_def_spaces
[i
].segment
, 0);
7685 while (pa_def_subspaces
[i
].name
)
7688 int applicable
, subsegment
;
7689 asection
*segment
= NULL
;
7690 sd_chain_struct
*space
;
7692 /* Pick the right name for the new section and pick the right
7693 subsegment number. */
7694 name
= pa_def_subspaces
[i
].name
;
7697 /* Create the new section. */
7698 segment
= subseg_new (name
, subsegment
);
7700 /* For SOM we want to replace the standard .text, .data, and .bss
7701 sections with our own. We also want to set BFD flags for
7702 all the built-in subspaces. */
7703 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7705 text_section
= segment
;
7706 applicable
= bfd_applicable_section_flags (stdoutput
);
7707 bfd_set_section_flags (stdoutput
, segment
,
7708 applicable
& (SEC_ALLOC
| SEC_LOAD
7709 | SEC_RELOC
| SEC_CODE
7711 | SEC_HAS_CONTENTS
));
7713 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7715 data_section
= segment
;
7716 applicable
= bfd_applicable_section_flags (stdoutput
);
7717 bfd_set_section_flags (stdoutput
, segment
,
7718 applicable
& (SEC_ALLOC
| SEC_LOAD
7720 | SEC_HAS_CONTENTS
));
7723 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7725 bss_section
= segment
;
7726 applicable
= bfd_applicable_section_flags (stdoutput
);
7727 bfd_set_section_flags (stdoutput
, segment
,
7728 applicable
& SEC_ALLOC
);
7730 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7732 applicable
= bfd_applicable_section_flags (stdoutput
);
7733 bfd_set_section_flags (stdoutput
, segment
,
7734 applicable
& (SEC_ALLOC
| SEC_LOAD
7737 | SEC_HAS_CONTENTS
));
7739 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7741 applicable
= bfd_applicable_section_flags (stdoutput
);
7742 bfd_set_section_flags (stdoutput
, segment
,
7743 applicable
& (SEC_ALLOC
| SEC_LOAD
7746 | SEC_HAS_CONTENTS
));
7748 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7750 applicable
= bfd_applicable_section_flags (stdoutput
);
7751 bfd_set_section_flags (stdoutput
, segment
,
7752 applicable
& (SEC_ALLOC
| SEC_LOAD
7755 | SEC_HAS_CONTENTS
));
7758 /* Find the space associated with this subspace. */
7759 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7760 def_space_index
].segment
);
7763 as_fatal (_("Internal error: Unable to find containing space for %s."),
7764 pa_def_subspaces
[i
].name
);
7767 create_new_subspace (space
, name
,
7768 pa_def_subspaces
[i
].loadable
,
7769 pa_def_subspaces
[i
].code_only
,
7770 pa_def_subspaces
[i
].common
,
7771 pa_def_subspaces
[i
].dup_common
,
7772 pa_def_subspaces
[i
].zero
,
7773 pa_def_subspaces
[i
].sort
,
7774 pa_def_subspaces
[i
].access
,
7775 pa_def_subspaces
[i
].space_index
,
7776 pa_def_subspaces
[i
].alignment
,
7777 pa_def_subspaces
[i
].quadrant
,
7783 /* Create a new space NAME, with the appropriate flags as defined
7784 by the given parameters. */
7786 static sd_chain_struct
*
7787 create_new_space (name
, spnum
, loadable
, defined
, private,
7788 sort
, seg
, user_defined
)
7798 sd_chain_struct
*chain_entry
;
7800 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7802 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7805 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7806 strcpy (SPACE_NAME (chain_entry
), name
);
7807 SPACE_DEFINED (chain_entry
) = defined
;
7808 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7809 SPACE_SPNUM (chain_entry
) = spnum
;
7811 chain_entry
->sd_seg
= seg
;
7812 chain_entry
->sd_last_subseg
= -1;
7813 chain_entry
->sd_subspaces
= NULL
;
7814 chain_entry
->sd_next
= NULL
;
7816 /* Find spot for the new space based on its sort key. */
7817 if (!space_dict_last
)
7818 space_dict_last
= chain_entry
;
7820 if (space_dict_root
== NULL
)
7821 space_dict_root
= chain_entry
;
7824 sd_chain_struct
*chain_pointer
;
7825 sd_chain_struct
*prev_chain_pointer
;
7827 chain_pointer
= space_dict_root
;
7828 prev_chain_pointer
= NULL
;
7830 while (chain_pointer
)
7832 prev_chain_pointer
= chain_pointer
;
7833 chain_pointer
= chain_pointer
->sd_next
;
7836 /* At this point we've found the correct place to add the new
7837 entry. So add it and update the linked lists as appropriate. */
7838 if (prev_chain_pointer
)
7840 chain_entry
->sd_next
= chain_pointer
;
7841 prev_chain_pointer
->sd_next
= chain_entry
;
7845 space_dict_root
= chain_entry
;
7846 chain_entry
->sd_next
= chain_pointer
;
7849 if (chain_entry
->sd_next
== NULL
)
7850 space_dict_last
= chain_entry
;
7853 /* This is here to catch predefined spaces which do not get
7854 modified by the user's input. Another call is found at
7855 the bottom of pa_parse_space_stmt to handle cases where
7856 the user modifies a predefined space. */
7857 #ifdef obj_set_section_attributes
7858 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7864 /* Create a new subspace NAME, with the appropriate flags as defined
7865 by the given parameters.
7867 Add the new subspace to the subspace dictionary chain in numerical
7868 order as defined by the SORT entries. */
7870 static ssd_chain_struct
*
7871 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7872 dup_common
, is_zero
, sort
, access
, space_index
,
7873 alignment
, quadrant
, seg
)
7874 sd_chain_struct
*space
;
7876 int loadable
, code_only
, common
, dup_common
, is_zero
;
7884 ssd_chain_struct
*chain_entry
;
7886 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7888 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7890 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7891 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7893 /* Initialize subspace_defined. When we hit a .subspace directive
7894 we'll set it to 1 which "locks-in" the subspace attributes. */
7895 SUBSPACE_DEFINED (chain_entry
) = 0;
7897 chain_entry
->ssd_subseg
= 0;
7898 chain_entry
->ssd_seg
= seg
;
7899 chain_entry
->ssd_next
= NULL
;
7901 /* Find spot for the new subspace based on its sort key. */
7902 if (space
->sd_subspaces
== NULL
)
7903 space
->sd_subspaces
= chain_entry
;
7906 ssd_chain_struct
*chain_pointer
;
7907 ssd_chain_struct
*prev_chain_pointer
;
7909 chain_pointer
= space
->sd_subspaces
;
7910 prev_chain_pointer
= NULL
;
7912 while (chain_pointer
)
7914 prev_chain_pointer
= chain_pointer
;
7915 chain_pointer
= chain_pointer
->ssd_next
;
7918 /* Now we have somewhere to put the new entry. Insert it and update
7920 if (prev_chain_pointer
)
7922 chain_entry
->ssd_next
= chain_pointer
;
7923 prev_chain_pointer
->ssd_next
= chain_entry
;
7927 space
->sd_subspaces
= chain_entry
;
7928 chain_entry
->ssd_next
= chain_pointer
;
7932 #ifdef obj_set_subsection_attributes
7933 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7940 /* Update the information for the given subspace based upon the
7941 various arguments. Return the modified subspace chain entry. */
7943 static ssd_chain_struct
*
7944 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7945 zero
, access
, space_index
, alignment
, quadrant
, section
)
7946 sd_chain_struct
*space
;
7960 ssd_chain_struct
*chain_entry
;
7962 chain_entry
= is_defined_subspace (name
);
7964 #ifdef obj_set_subsection_attributes
7965 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7972 /* Return the space chain entry for the space with the name NAME or
7973 NULL if no such space exists. */
7975 static sd_chain_struct
*
7976 is_defined_space (name
)
7979 sd_chain_struct
*chain_pointer
;
7981 for (chain_pointer
= space_dict_root
;
7983 chain_pointer
= chain_pointer
->sd_next
)
7985 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7986 return chain_pointer
;
7989 /* No mapping from segment to space was found. Return NULL. */
7993 /* Find and return the space associated with the given seg. If no mapping
7994 from the given seg to a space is found, then return NULL.
7996 Unlike subspaces, the number of spaces is not expected to grow much,
7997 so a linear exhaustive search is OK here. */
7999 static sd_chain_struct
*
8000 pa_segment_to_space (seg
)
8003 sd_chain_struct
*space_chain
;
8005 /* Walk through each space looking for the correct mapping. */
8006 for (space_chain
= space_dict_root
;
8008 space_chain
= space_chain
->sd_next
)
8010 if (space_chain
->sd_seg
== seg
)
8014 /* Mapping was not found. Return NULL. */
8018 /* Return the space chain entry for the subspace with the name NAME or
8019 NULL if no such subspace exists.
8021 Uses a linear search through all the spaces and subspaces, this may
8022 not be appropriate if we ever being placing each function in its
8025 static ssd_chain_struct
*
8026 is_defined_subspace (name
)
8029 sd_chain_struct
*space_chain
;
8030 ssd_chain_struct
*subspace_chain
;
8032 /* Walk through each space. */
8033 for (space_chain
= space_dict_root
;
8035 space_chain
= space_chain
->sd_next
)
8037 /* Walk through each subspace looking for a name which matches. */
8038 for (subspace_chain
= space_chain
->sd_subspaces
;
8040 subspace_chain
= subspace_chain
->ssd_next
)
8041 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8042 return subspace_chain
;
8045 /* Subspace wasn't found. Return NULL. */
8049 /* Find and return the subspace associated with the given seg. If no
8050 mapping from the given seg to a subspace is found, then return NULL.
8052 If we ever put each procedure/function within its own subspace
8053 (to make life easier on the compiler and linker), then this will have
8054 to become more efficient. */
8056 static ssd_chain_struct
*
8057 pa_subsegment_to_subspace (seg
, subseg
)
8061 sd_chain_struct
*space_chain
;
8062 ssd_chain_struct
*subspace_chain
;
8064 /* Walk through each space. */
8065 for (space_chain
= space_dict_root
;
8067 space_chain
= space_chain
->sd_next
)
8069 if (space_chain
->sd_seg
== seg
)
8071 /* Walk through each subspace within each space looking for
8072 the correct mapping. */
8073 for (subspace_chain
= space_chain
->sd_subspaces
;
8075 subspace_chain
= subspace_chain
->ssd_next
)
8076 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8077 return subspace_chain
;
8081 /* No mapping from subsegment to subspace found. Return NULL. */
8085 /* Given a number, try and find a space with the name number.
8087 Return a pointer to a space dictionary chain entry for the space
8088 that was found or NULL on failure. */
8090 static sd_chain_struct
*
8091 pa_find_space_by_number (number
)
8094 sd_chain_struct
*space_chain
;
8096 for (space_chain
= space_dict_root
;
8098 space_chain
= space_chain
->sd_next
)
8100 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8104 /* No appropriate space found. Return NULL. */
8108 /* Return the starting address for the given subspace. If the starting
8109 address is unknown then return zero. */
8112 pa_subspace_start (space
, quadrant
)
8113 sd_chain_struct
*space
;
8116 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8117 is not correct for the PA OSF1 port. */
8118 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8120 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8127 /* FIXME. Needs documentation. */
8129 pa_next_subseg (space
)
8130 sd_chain_struct
*space
;
8133 space
->sd_last_subseg
++;
8134 return space
->sd_last_subseg
;
8138 /* Helper function for pa_stringer. Used to find the end of
8145 unsigned int c
= *s
& CHAR_MASK
;
8158 /* Handle a .STRING type pseudo-op. */
8161 pa_stringer (append_zero
)
8164 char *s
, num_buf
[4];
8168 /* Preprocess the string to handle PA-specific escape sequences.
8169 For example, \xDD where DD is a hexadecimal number should be
8170 changed to \OOO where OOO is an octal number. */
8173 /* We must have a valid space and subspace. */
8174 pa_check_current_space_and_subspace ();
8177 /* Skip the opening quote. */
8178 s
= input_line_pointer
+ 1;
8180 while (is_a_char (c
= pa_stringer_aux (s
++)))
8187 /* Handle \x<num>. */
8190 unsigned int number
;
8195 /* Get past the 'x'. */
8197 for (num_digit
= 0, number
= 0, dg
= *s
;
8199 && (isdigit (dg
) || (dg
>= 'a' && dg
<= 'f')
8200 || (dg
>= 'A' && dg
<= 'F'));
8204 number
= number
* 16 + dg
- '0';
8205 else if (dg
>= 'a' && dg
<= 'f')
8206 number
= number
* 16 + dg
- 'a' + 10;
8208 number
= number
* 16 + dg
- 'A' + 10;
8218 sprintf (num_buf
, "%02o", number
);
8221 sprintf (num_buf
, "%03o", number
);
8224 for (i
= 0; i
<= num_digit
; i
++)
8225 s_start
[i
] = num_buf
[i
];
8229 /* This might be a "\"", skip over the escaped char. */
8236 stringer (append_zero
);
8237 pa_undefine_label ();
8240 /* Handle a .VERSION pseudo-op. */
8244 int unused ATTRIBUTE_UNUSED
;
8247 pa_undefine_label ();
8252 /* Handle a .COMPILER pseudo-op. */
8255 pa_compiler (unused
)
8256 int unused ATTRIBUTE_UNUSED
;
8258 obj_som_compiler (0);
8259 pa_undefine_label ();
8264 /* Handle a .COPYRIGHT pseudo-op. */
8267 pa_copyright (unused
)
8268 int unused ATTRIBUTE_UNUSED
;
8271 pa_undefine_label ();
8274 /* Just like a normal cons, but when finished we have to undefine
8275 the latest space label. */
8282 pa_undefine_label ();
8285 /* Like float_cons, but we need to undefine our label. */
8288 pa_float_cons (float_type
)
8291 float_cons (float_type
);
8292 pa_undefine_label ();
8295 /* Like s_fill, but delete our label when finished. */
8299 int unused ATTRIBUTE_UNUSED
;
8302 /* We must have a valid space and subspace. */
8303 pa_check_current_space_and_subspace ();
8307 pa_undefine_label ();
8310 /* Like lcomm, but delete our label when finished. */
8313 pa_lcomm (needs_align
)
8317 /* We must have a valid space and subspace. */
8318 pa_check_current_space_and_subspace ();
8321 s_lcomm (needs_align
);
8322 pa_undefine_label ();
8325 /* Like lsym, but delete our label when finished. */
8329 int unused ATTRIBUTE_UNUSED
;
8332 /* We must have a valid space and subspace. */
8333 pa_check_current_space_and_subspace ();
8337 pa_undefine_label ();
8340 /* On the PA relocations which involve function symbols must not be
8341 adjusted. This so that the linker can know when/how to create argument
8342 relocation stubs for indirect calls and calls to static functions.
8344 "T" field selectors create DLT relative fixups for accessing
8345 globals and statics in PIC code; each DLT relative fixup creates
8346 an entry in the DLT table. The entries contain the address of
8347 the final target (eg accessing "foo" would create a DLT entry
8348 with the address of "foo").
8350 Unfortunately, the HP linker doesn't take into account any addend
8351 when generating the DLT; so accessing $LIT$+8 puts the address of
8352 $LIT$ into the DLT rather than the address of $LIT$+8.
8354 The end result is we can't perform relocation symbol reductions for
8355 any fixup which creates entries in the DLT (eg they use "T" field
8358 Reject reductions involving symbols with external scope; such
8359 reductions make life a living hell for object file editors.
8361 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8362 the code space. The SOM BFD backend doesn't know how to pull the
8363 right bits out of an instruction. */
8366 hppa_fix_adjustable (fixp
)
8369 struct hppa_fix_struct
*hppa_fix
;
8371 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8374 /* Reject reductions of symbols in 32bit relocs. */
8375 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
8380 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8381 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8385 if (fixp
->fx_addsy
&& (S_IS_EXTERNAL (fixp
->fx_addsy
)
8386 || S_IS_WEAK (fixp
->fx_addsy
)))
8389 /* Reject reductions of symbols in sym1-sym2 expressions when
8390 the fixup will occur in a CODE subspace.
8392 XXX FIXME: Long term we probably want to reject all of these;
8393 for example reducing in the debug section would lose if we ever
8394 supported using the optimizing hp linker. */
8397 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8399 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
8400 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
8404 /* We can't adjust any relocs that use LR% and RR% field selectors.
8406 If a symbol is reduced to a section symbol, the assembler will
8407 adjust the addend unless the symbol happens to reside right at
8408 the start of the section. Additionally, the linker has no choice
8409 but to manipulate the addends when coalescing input sections for
8410 "ld -r". Since an LR% field selector is defined to round the
8411 addend, we can't change the addend without risking that a LR% and
8412 it's corresponding (possible multiple) RR% field will no longer
8413 sum to the right value.
8416 . ldil LR%foo+0,%r21
8417 . ldw RR%foo+0(%r21),%r26
8418 . ldw RR%foo+4(%r21),%r25
8420 If foo is at address 4092 (decimal) in section `sect', then after
8421 reducing to the section symbol we get
8422 . LR%sect+4092 == (L%sect)+0
8423 . RR%sect+4092 == (R%sect)+4092
8424 . RR%sect+4096 == (R%sect)-4096
8425 and the last address loses because rounding the addend to 8k
8426 mutiples takes us up to 8192 with an offset of -4096.
8428 In cases where the LR% expression is identical to the RR% one we
8429 will never have a problem, but is so happens that gcc rounds
8430 addends involved in LR% field selectors to work around a HP
8431 linker bug. ie. We often have addresses like the last case
8432 above where the LR% expression is offset from the RR% one. */
8434 if (hppa_fix
->fx_r_field
== e_lrsel
8435 || hppa_fix
->fx_r_field
== e_rrsel
8436 || hppa_fix
->fx_r_field
== e_nlrsel
)
8439 /* Reject reductions of symbols in DLT relative relocs,
8440 relocations with plabels. */
8441 if (hppa_fix
->fx_r_field
== e_tsel
8442 || hppa_fix
->fx_r_field
== e_ltsel
8443 || hppa_fix
->fx_r_field
== e_rtsel
8444 || hppa_fix
->fx_r_field
== e_psel
8445 || hppa_fix
->fx_r_field
== e_rpsel
8446 || hppa_fix
->fx_r_field
== e_lpsel
)
8449 /* Reject absolute calls (jumps). */
8450 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8453 /* Reject reductions of function symbols. */
8454 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8460 /* Return nonzero if the fixup in FIXP will require a relocation,
8461 even it if appears that the fixup could be completely handled
8465 hppa_force_relocation (fixp
)
8468 struct hppa_fix_struct
*hppa_fixp
;
8470 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8472 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8473 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8474 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8475 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8476 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8477 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8478 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8479 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8483 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8484 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8488 assert (fixp
->fx_addsy
!= NULL
);
8490 /* Ensure we emit a relocation for global symbols so that dynamic
8492 if (S_IS_EXTERNAL (fixp
->fx_addsy
) || S_IS_WEAK (fixp
->fx_addsy
))
8495 /* It is necessary to force PC-relative calls/jumps to have a relocation
8496 entry if they're going to need either a argument relocation or long
8499 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8500 hppa_fixp
->fx_arg_reloc
))
8503 /* Now check to see if we're going to need a long-branch stub. */
8504 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8508 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
8509 - md_pcrel_from (fixp
) - 8);
8510 if (distance
+ 8388608 >= 16777216
8511 || (hppa_fixp
->fx_r_format
== 17 && distance
+ 262144 >= 524288)
8513 || (hppa_fixp
->fx_r_format
== 12 && distance
+ 8192 >= 16384)
8519 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8522 /* No need (yet) to force another relocations to be emitted. */
8526 /* Now for some ELF specific code. FIXME. */
8528 /* Mark the end of a function so that it's possible to compute
8529 the size of the function in hppa_elf_final_processing. */
8532 hppa_elf_mark_end_of_function ()
8534 /* ELF does not have EXIT relocations. All we do is create a
8535 temporary symbol marking the end of the function. */
8538 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8540 /* We have already warned about a missing label,
8541 or other problems. */
8545 name
= (char *) xmalloc (strlen ("L$\001end_")
8546 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8552 strcpy (name
, "L$\001end_");
8553 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8555 /* If we have a .exit followed by a .procend, then the
8556 symbol will have already been defined. */
8557 symbolP
= symbol_find (name
);
8560 /* The symbol has already been defined! This can
8561 happen if we have a .exit followed by a .procend.
8563 This is *not* an error. All we want to do is free
8564 the memory we just allocated for the name and continue. */
8569 /* symbol value should be the offset of the
8570 last instruction of the function */
8571 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8575 S_CLEAR_EXTERNAL (symbolP
);
8576 symbol_table_insert (symbolP
);
8580 last_call_info
->end_symbol
= symbolP
;
8582 as_bad (_("Symbol '%s' could not be created."), name
);
8586 as_bad (_("No memory for symbol name."));
8590 /* For ELF, this function serves one purpose: to setup the st_size
8591 field of STT_FUNC symbols. To do this, we need to scan the
8592 call_info structure list, determining st_size in by taking the
8593 difference in the address of the beginning/end marker symbols. */
8596 elf_hppa_final_processing ()
8598 struct call_info
*call_info_pointer
;
8600 for (call_info_pointer
= call_info_root
;
8602 call_info_pointer
= call_info_pointer
->ci_next
)
8604 elf_symbol_type
*esym
8605 = ((elf_symbol_type
*)
8606 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8607 esym
->internal_elf_sym
.st_size
=
8608 S_GET_VALUE (call_info_pointer
->end_symbol
)
8609 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8614 pa_vtable_entry (ignore
)
8615 int ignore ATTRIBUTE_UNUSED
;
8617 struct fix
*new_fix
;
8619 new_fix
= obj_elf_vtable_entry (0);
8623 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8624 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8625 hppa_fix
->fx_r_type
= R_HPPA
;
8626 hppa_fix
->fx_r_field
= e_fsel
;
8627 hppa_fix
->fx_r_format
= 32;
8628 hppa_fix
->fx_arg_reloc
= 0;
8629 hppa_fix
->segment
= now_seg
;
8630 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8631 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8636 pa_vtable_inherit (ignore
)
8637 int ignore ATTRIBUTE_UNUSED
;
8639 struct fix
*new_fix
;
8641 new_fix
= obj_elf_vtable_inherit (0);
8645 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8646 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8647 hppa_fix
->fx_r_type
= R_HPPA
;
8648 hppa_fix
->fx_r_field
= e_fsel
;
8649 hppa_fix
->fx_r_format
= 32;
8650 hppa_fix
->fx_arg_reloc
= 0;
8651 hppa_fix
->segment
= now_seg
;
8652 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8653 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;