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. */
28 #include "safe-ctype.h"
31 #include "bfd/libhppa.h"
33 /* Be careful, this file includes data *declarations*. */
34 #include "opcode/hppa.h"
36 #if defined (OBJ_ELF) && defined (OBJ_SOM)
37 error only one of OBJ_ELF
and OBJ_SOM can be defined
40 /* If we are using ELF, then we probably can support dwarf2 debug
41 records. Furthermore, if we are supporting dwarf2 debug records,
42 then we want to use the assembler support for compact line numbers. */
44 #include "dwarf2dbg.h"
46 /* A "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
++)
1576 /* Skip to something interesting. */
1578 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
1598 as_fatal (_("Unknown opcode: `%s'"), str
);
1601 /* Look up the opcode in the has table. */
1602 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1604 as_bad ("Unknown opcode: `%s'", str
);
1613 /* Mark the location where arguments for the instruction start, then
1614 start processing them. */
1618 /* Do some initialization. */
1619 opcode
= insn
->match
;
1620 strict
= (insn
->flags
& FLAG_STRICT
);
1621 memset (&the_insn
, 0, sizeof (the_insn
));
1623 the_insn
.reloc
= R_HPPA_NONE
;
1625 /* If this instruction is specific to a particular architecture,
1626 then set a new architecture. */
1627 /* But do not automatically promote to pa2.0. The automatic promotion
1628 crud is for compatability with HP's old assemblers only. */
1630 && bfd_get_mach (stdoutput
) < insn
->arch
)
1632 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1633 as_warn (_("could not update architecture and machine"));
1635 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1641 /* Build the opcode, checking as we go to make
1642 sure that the operands match. */
1643 for (args
= insn
->args
;; ++args
)
1645 /* Absorb white space in instruction. */
1646 while (*s
== ' ' || *s
== '\t')
1652 /* End of arguments. */
1668 /* These must match exactly. */
1677 /* Handle a 5 bit register or control register field at 10. */
1680 if (!pa_parse_number (&s
, 0))
1683 CHECK_FIELD (num
, 31, 0, 0);
1684 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1686 /* Handle %sar or %cr11. No bits get set, we just verify that it
1689 /* Skip whitespace before register. */
1690 while (*s
== ' ' || *s
== '\t')
1693 if (!strncasecmp (s
, "%sar", 4))
1698 else if (!strncasecmp (s
, "%cr11", 5))
1705 /* Handle a 5 bit register field at 15. */
1707 if (!pa_parse_number (&s
, 0))
1710 CHECK_FIELD (num
, 31, 0, 0);
1711 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1713 /* Handle a 5 bit register field at 31. */
1715 if (!pa_parse_number (&s
, 0))
1718 CHECK_FIELD (num
, 31, 0, 0);
1719 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1721 /* Handle a 5 bit register field at 10 and 15. */
1723 if (!pa_parse_number (&s
, 0))
1726 CHECK_FIELD (num
, 31, 0, 0);
1727 opcode
|= num
<< 16;
1728 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1730 /* Handle a 5 bit field length at 31. */
1732 num
= pa_get_absolute_expression (&the_insn
, &s
);
1733 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1736 CHECK_FIELD (num
, 32, 1, 0);
1737 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1739 /* Handle a 5 bit immediate at 15. */
1741 num
= pa_get_absolute_expression (&the_insn
, &s
);
1742 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1745 /* When in strict mode, we want to just reject this
1746 match instead of giving an out of range error. */
1747 CHECK_FIELD (num
, 15, -16, strict
);
1748 num
= low_sign_unext (num
, 5);
1749 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1751 /* Handle a 5 bit immediate at 31. */
1753 num
= pa_get_absolute_expression (&the_insn
, &s
);
1754 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1757 /* When in strict mode, we want to just reject this
1758 match instead of giving an out of range error. */
1759 CHECK_FIELD (num
, 15, -16, strict
);
1760 num
= low_sign_unext (num
, 5);
1761 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1763 /* Handle an unsigned 5 bit immediate at 31. */
1765 num
= pa_get_absolute_expression (&the_insn
, &s
);
1766 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1769 CHECK_FIELD (num
, 31, 0, strict
);
1770 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1772 /* Handle an unsigned 5 bit immediate at 15. */
1774 num
= pa_get_absolute_expression (&the_insn
, &s
);
1775 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1778 CHECK_FIELD (num
, 31, 0, strict
);
1779 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1781 /* Handle an unsigned 10 bit immediate at 15. */
1783 num
= pa_get_absolute_expression (&the_insn
, &s
);
1784 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1787 CHECK_FIELD (num
, 1023, 0, strict
);
1788 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1790 /* Handle a 2 bit space identifier at 17. */
1792 if (!pa_parse_number (&s
, 0))
1795 CHECK_FIELD (num
, 3, 0, 1);
1796 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1798 /* Handle a 3 bit space identifier at 18. */
1800 if (!pa_parse_number (&s
, 0))
1803 CHECK_FIELD (num
, 7, 0, 1);
1804 opcode
|= re_assemble_3 (num
);
1807 /* Handle all completers. */
1812 /* Handle a completer for an indexing load or store. */
1818 while (*s
== ',' && i
< 2)
1821 if (strncasecmp (s
, "sm", 2) == 0)
1828 else if (strncasecmp (s
, "m", 1) == 0)
1830 else if ((strncasecmp (s
, "s ", 2) == 0)
1831 || (strncasecmp (s
, "s,", 2) == 0))
1833 /* When in strict mode this is a match failure. */
1840 as_bad (_("Invalid Indexed Load Completer."));
1845 as_bad (_("Invalid Indexed Load Completer Syntax."));
1847 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1850 /* Handle a short load/store completer. */
1862 if (strncasecmp (s
, "ma", 2) == 0)
1868 else if (strncasecmp (s
, "mb", 2) == 0)
1875 /* When in strict mode, pass through for cache op. */
1876 if (!found
&& strict
)
1881 as_bad (_("Invalid Short Load/Store Completer."));
1885 /* If we did not get a ma/mb completer, then we do not
1886 consider this a positive match for 'ce'. */
1887 else if (*args
== 'e')
1890 /* 'J', 'm' and 'q' are the same, except for where they
1891 encode the before/after field. */
1895 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1897 else if (*args
== 'q')
1900 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1902 else if (*args
== 'J')
1904 /* M bit is explicit in the major opcode. */
1905 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1907 else if (*args
== 'e')
1909 /* Stash the ma/mb flag temporarily in the
1910 instruction. We will use (and remove it)
1911 later when handling 'J', 'K', '<' & '>'. */
1917 /* Handle a stbys completer. */
1923 while (*s
== ',' && i
< 2)
1926 if (strncasecmp (s
, "m", 1) == 0)
1928 else if ((strncasecmp (s
, "b ", 2) == 0)
1929 || (strncasecmp (s
, "b,", 2) == 0))
1931 else if (strncasecmp (s
, "e", 1) == 0)
1933 /* When in strict mode this is a match failure. */
1940 as_bad (_("Invalid Store Bytes Short Completer"));
1945 as_bad (_("Invalid Store Bytes Short Completer"));
1947 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1950 /* Handle load cache hint completer. */
1953 if (!strncmp (s
, ",sl", 3))
1958 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1960 /* Handle store cache hint completer. */
1963 if (!strncmp (s
, ",sl", 3))
1968 else if (!strncmp (s
, ",bc", 3))
1973 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1975 /* Handle load and clear cache hint completer. */
1978 if (!strncmp (s
, ",co", 3))
1983 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1985 /* Handle load ordering completer. */
1987 if (strncmp (s
, ",o", 2) != 0)
1992 /* Handle a branch gate completer. */
1994 if (strncasecmp (s
, ",gate", 5) != 0)
1999 /* Handle a branch link and push completer. */
2001 if (strncasecmp (s
, ",l,push", 7) != 0)
2006 /* Handle a branch link completer. */
2008 if (strncasecmp (s
, ",l", 2) != 0)
2013 /* Handle a branch pop completer. */
2015 if (strncasecmp (s
, ",pop", 4) != 0)
2020 /* Handle a local processor completer. */
2022 if (strncasecmp (s
, ",l", 2) != 0)
2027 /* Handle a PROBE read/write completer. */
2030 if (!strncasecmp (s
, ",w", 2))
2035 else if (!strncasecmp (s
, ",r", 2))
2041 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2043 /* Handle MFCTL wide completer. */
2045 if (strncasecmp (s
, ",w", 2) != 0)
2050 /* Handle an RFI restore completer. */
2053 if (!strncasecmp (s
, ",r", 2))
2059 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2061 /* Handle a system control completer. */
2063 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2071 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2073 /* Handle intermediate/final completer for DCOR. */
2076 if (!strncasecmp (s
, ",i", 2))
2082 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2084 /* Handle zero/sign extension completer. */
2087 if (!strncasecmp (s
, ",z", 2))
2093 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2095 /* Handle add completer. */
2098 if (!strncasecmp (s
, ",l", 2))
2103 else if (!strncasecmp (s
, ",tsv", 4))
2109 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2111 /* Handle 64 bit carry for ADD. */
2114 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2115 !strncasecmp (s
, ",tsv,dc", 7))
2120 else if (!strncasecmp (s
, ",dc", 3))
2128 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2130 /* Handle 32 bit carry for ADD. */
2133 if (!strncasecmp (s
, ",c,tsv", 6) ||
2134 !strncasecmp (s
, ",tsv,c", 6))
2139 else if (!strncasecmp (s
, ",c", 2))
2147 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2149 /* Handle trap on signed overflow. */
2152 if (!strncasecmp (s
, ",tsv", 4))
2158 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2160 /* Handle trap on condition and overflow. */
2163 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2164 !strncasecmp (s
, ",tsv,tc", 7))
2169 else if (!strncasecmp (s
, ",tc", 3))
2177 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2179 /* Handle 64 bit borrow for SUB. */
2182 if (!strncasecmp (s
, ",db,tsv", 7) ||
2183 !strncasecmp (s
, ",tsv,db", 7))
2188 else if (!strncasecmp (s
, ",db", 3))
2196 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2198 /* Handle 32 bit borrow for SUB. */
2201 if (!strncasecmp (s
, ",b,tsv", 6) ||
2202 !strncasecmp (s
, ",tsv,b", 6))
2207 else if (!strncasecmp (s
, ",b", 2))
2215 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2217 /* Handle trap condition completer for UADDCM. */
2220 if (!strncasecmp (s
, ",tc", 3))
2226 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2228 /* Handle signed/unsigned at 21. */
2232 if (strncasecmp (s
, ",s", 2) == 0)
2237 else if (strncasecmp (s
, ",u", 2) == 0)
2243 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2246 /* Handle left/right combination at 17:18. */
2256 as_bad (_("Invalid left/right combination completer"));
2259 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2262 as_bad (_("Invalid left/right combination completer"));
2265 /* Handle saturation at 24:25. */
2269 if (strncasecmp (s
, ",ss", 3) == 0)
2274 else if (strncasecmp (s
, ",us", 3) == 0)
2280 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2283 /* Handle permutation completer. */
2311 as_bad (_("Invalid permutation completer"));
2313 opcode
|= perm
<< permloc
[i
];
2318 as_bad (_("Invalid permutation completer"));
2326 /* Handle all conditions. */
2332 /* Handle FP compare conditions. */
2334 cond
= pa_parse_fp_cmp_cond (&s
);
2335 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2337 /* Handle an add condition. */
2346 /* 64 bit conditions. */
2359 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2363 if (strcmp (name
, "=") == 0)
2365 else if (strcmp (name
, "<") == 0)
2367 else if (strcmp (name
, "<=") == 0)
2369 else if (strcasecmp (name
, "nuv") == 0)
2371 else if (strcasecmp (name
, "znv") == 0)
2373 else if (strcasecmp (name
, "sv") == 0)
2375 else if (strcasecmp (name
, "od") == 0)
2377 else if (strcasecmp (name
, "tr") == 0)
2382 else if (strcmp (name
, "<>") == 0)
2387 else if (strcmp (name
, ">=") == 0)
2392 else if (strcmp (name
, ">") == 0)
2397 else if (strcasecmp (name
, "uv") == 0)
2402 else if (strcasecmp (name
, "vnz") == 0)
2407 else if (strcasecmp (name
, "nsv") == 0)
2412 else if (strcasecmp (name
, "ev") == 0)
2417 /* ",*" is a valid condition. */
2418 else if (*args
== 'a')
2419 as_bad (_("Invalid Add Condition: %s"), name
);
2422 opcode
|= cmpltr
<< 13;
2423 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2425 /* Handle non-negated add and branch condition. */
2427 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2430 as_bad (_("Invalid Add and Branch Condition"));
2433 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2435 /* Handle 64 bit wide-mode add and branch condition. */
2437 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2440 as_bad (_("Invalid Add and Branch Condition"));
2445 /* Negated condition requires an opcode change. */
2446 opcode
|= (cmpltr
& 8) << 24;
2448 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2450 /* Handle a negated or non-negated add and branch
2454 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2458 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2461 as_bad (_("Invalid Compare/Subtract Condition"));
2466 /* Negated condition requires an opcode change. */
2470 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2472 /* Handle branch on bit conditions. */
2490 if (strncmp (s
, "<", 1) == 0)
2495 else if (strncmp (s
, ">=", 2) == 0)
2501 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2503 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2505 /* Handle a compare/subtract condition. */
2514 /* 64 bit conditions. */
2527 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2531 if (strcmp (name
, "=") == 0)
2533 else if (strcmp (name
, "<") == 0)
2535 else if (strcmp (name
, "<=") == 0)
2537 else if (strcasecmp (name
, "<<") == 0)
2539 else if (strcasecmp (name
, "<<=") == 0)
2541 else if (strcasecmp (name
, "sv") == 0)
2543 else if (strcasecmp (name
, "od") == 0)
2545 else if (strcasecmp (name
, "tr") == 0)
2550 else if (strcmp (name
, "<>") == 0)
2555 else if (strcmp (name
, ">=") == 0)
2560 else if (strcmp (name
, ">") == 0)
2565 else if (strcasecmp (name
, ">>=") == 0)
2570 else if (strcasecmp (name
, ">>") == 0)
2575 else if (strcasecmp (name
, "nsv") == 0)
2580 else if (strcasecmp (name
, "ev") == 0)
2585 /* ",*" is a valid condition. */
2586 else if (*args
!= 'S')
2587 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2591 opcode
|= cmpltr
<< 13;
2592 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2594 /* Handle a non-negated compare condition. */
2596 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2599 as_bad (_("Invalid Compare/Subtract Condition"));
2602 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2604 /* Handle a 32 bit compare and branch condition. */
2607 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2611 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2614 as_bad (_("Invalid Compare and Branch Condition"));
2619 /* Negated condition requires an opcode change. */
2624 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2626 /* Handle a 64 bit compare and branch condition. */
2628 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2631 /* Negated condition requires an opcode change. */
2632 opcode
|= (cmpltr
& 8) << 26;
2635 /* Not a 64 bit cond. Give 32 bit a chance. */
2638 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2640 /* Handle a 64 bit cmpib condition. */
2642 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2644 /* Not a 64 bit cond. Give 32 bit a chance. */
2647 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2649 /* Handle a logical instruction condition. */
2658 /* 64 bit conditions. */
2670 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2675 if (strcmp (name
, "=") == 0)
2677 else if (strcmp (name
, "<") == 0)
2679 else if (strcmp (name
, "<=") == 0)
2681 else if (strcasecmp (name
, "od") == 0)
2683 else if (strcasecmp (name
, "tr") == 0)
2688 else if (strcmp (name
, "<>") == 0)
2693 else if (strcmp (name
, ">=") == 0)
2698 else if (strcmp (name
, ">") == 0)
2703 else if (strcasecmp (name
, "ev") == 0)
2708 /* ",*" is a valid condition. */
2709 else if (*args
!= 'L')
2710 as_bad (_("Invalid Logical Instruction Condition."));
2713 opcode
|= cmpltr
<< 13;
2714 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2716 /* Handle a shift/extract/deposit condition. */
2725 /* 64 bit conditions. */
2737 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2741 if (strcmp (name
, "=") == 0)
2743 else if (strcmp (name
, "<") == 0)
2745 else if (strcasecmp (name
, "od") == 0)
2747 else if (strcasecmp (name
, "tr") == 0)
2749 else if (strcmp (name
, "<>") == 0)
2751 else if (strcmp (name
, ">=") == 0)
2753 else if (strcasecmp (name
, "ev") == 0)
2755 /* Handle movb,n. Put things back the way they were.
2756 This includes moving s back to where it started. */
2757 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2763 /* ",*" is a valid condition. */
2764 else if (*args
!= 'X')
2765 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2768 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2770 /* Handle a unit instruction condition. */
2779 /* 64 bit conditions. */
2790 if (strncasecmp (s
, "sbz", 3) == 0)
2795 else if (strncasecmp (s
, "shz", 3) == 0)
2800 else if (strncasecmp (s
, "sdc", 3) == 0)
2805 else if (strncasecmp (s
, "sbc", 3) == 0)
2810 else if (strncasecmp (s
, "shc", 3) == 0)
2815 else if (strncasecmp (s
, "tr", 2) == 0)
2821 else if (strncasecmp (s
, "nbz", 3) == 0)
2827 else if (strncasecmp (s
, "nhz", 3) == 0)
2833 else if (strncasecmp (s
, "ndc", 3) == 0)
2839 else if (strncasecmp (s
, "nbc", 3) == 0)
2845 else if (strncasecmp (s
, "nhc", 3) == 0)
2851 else if (strncasecmp (s
, "swz", 3) == 0)
2857 else if (strncasecmp (s
, "swc", 3) == 0)
2863 else if (strncasecmp (s
, "nwz", 3) == 0)
2869 else if (strncasecmp (s
, "nwc", 3) == 0)
2875 /* ",*" is a valid condition. */
2876 else if (*args
!= 'U')
2877 as_bad (_("Invalid Unit Instruction Condition."));
2879 opcode
|= cmpltr
<< 13;
2880 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2888 /* Handle a nullification completer for branch instructions. */
2890 nullif
= pa_parse_nullif (&s
);
2891 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2893 /* Handle a nullification completer for copr and spop insns. */
2895 nullif
= pa_parse_nullif (&s
);
2896 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2898 /* Handle ,%r2 completer for new syntax branches. */
2900 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2902 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2908 /* Handle 3 bit entry into the fp compare array. Valid values
2909 are 0..6 inclusive. */
2913 if (the_insn
.exp
.X_op
== O_constant
)
2915 num
= evaluate_absolute (&the_insn
);
2916 CHECK_FIELD (num
, 6, 0, 0);
2918 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2923 /* Handle 3 bit entry into the fp compare array. Valid values
2924 are 0..6 inclusive. */
2927 if (the_insn
.exp
.X_op
== O_constant
)
2930 num
= evaluate_absolute (&the_insn
);
2931 CHECK_FIELD (num
, 6, 0, 0);
2932 num
= (num
+ 1) ^ 1;
2933 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2938 /* Handle graphics test completers for ftest */
2941 num
= pa_parse_ftest_gfx_completer (&s
);
2942 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2945 /* Handle a 11 bit immediate at 31. */
2947 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2950 if (the_insn
.exp
.X_op
== O_constant
)
2952 num
= evaluate_absolute (&the_insn
);
2953 CHECK_FIELD (num
, 1023, -1024, 0);
2954 num
= low_sign_unext (num
, 11);
2955 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2959 if (is_DP_relative (the_insn
.exp
))
2960 the_insn
.reloc
= R_HPPA_GOTOFF
;
2961 else if (is_PC_relative (the_insn
.exp
))
2962 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2964 the_insn
.reloc
= R_HPPA
;
2965 the_insn
.format
= 11;
2969 /* Handle a 14 bit immediate at 31. */
2971 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2974 if (the_insn
.exp
.X_op
== O_constant
)
2978 /* XXX the completer stored away tidbits of information
2979 for us to extract. We need a cleaner way to do this.
2980 Now that we have lots of letters again, it would be
2981 good to rethink this. */
2984 num
= evaluate_absolute (&the_insn
);
2985 if (mb
!= (num
< 0))
2987 CHECK_FIELD (num
, 8191, -8192, 0);
2988 num
= low_sign_unext (num
, 14);
2989 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2993 /* Handle a 14 bit immediate at 31. */
2995 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2998 if (the_insn
.exp
.X_op
== O_constant
)
3004 num
= evaluate_absolute (&the_insn
);
3005 if (mb
== (num
< 0))
3009 CHECK_FIELD (num
, 8191, -8192, 0);
3010 num
= low_sign_unext (num
, 14);
3011 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3015 /* Handle a 16 bit immediate at 31. */
3017 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3020 if (the_insn
.exp
.X_op
== O_constant
)
3026 num
= evaluate_absolute (&the_insn
);
3027 if (mb
!= (num
< 0))
3029 CHECK_FIELD (num
, 32767, -32768, 0);
3030 num
= re_assemble_16 (num
);
3031 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3035 /* Handle a 16 bit immediate at 31. */
3037 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3040 if (the_insn
.exp
.X_op
== O_constant
)
3046 num
= evaluate_absolute (&the_insn
);
3047 if (mb
== (num
< 0))
3051 CHECK_FIELD (num
, 32767, -32768, 0);
3052 num
= re_assemble_16 (num
);
3053 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3057 /* Handle 14 bit immediate, shifted left three times. */
3059 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3062 if (the_insn
.exp
.X_op
== O_constant
)
3064 num
= evaluate_absolute (&the_insn
);
3067 CHECK_FIELD (num
, 8191, -8192, 0);
3072 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3076 if (is_DP_relative (the_insn
.exp
))
3077 the_insn
.reloc
= R_HPPA_GOTOFF
;
3078 else if (is_PC_relative (the_insn
.exp
))
3079 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3081 the_insn
.reloc
= R_HPPA
;
3082 the_insn
.format
= 14;
3087 /* Handle 14 bit immediate, shifted left twice. */
3089 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3092 if (the_insn
.exp
.X_op
== O_constant
)
3094 num
= evaluate_absolute (&the_insn
);
3097 CHECK_FIELD (num
, 8191, -8192, 0);
3102 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3106 if (is_DP_relative (the_insn
.exp
))
3107 the_insn
.reloc
= R_HPPA_GOTOFF
;
3108 else if (is_PC_relative (the_insn
.exp
))
3109 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3111 the_insn
.reloc
= R_HPPA
;
3112 the_insn
.format
= 14;
3116 /* Handle a 14 bit immediate at 31. */
3118 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3121 if (the_insn
.exp
.X_op
== O_constant
)
3123 num
= evaluate_absolute (&the_insn
);
3124 CHECK_FIELD (num
, 8191, -8192, 0);
3125 num
= low_sign_unext (num
, 14);
3126 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3130 if (is_DP_relative (the_insn
.exp
))
3131 the_insn
.reloc
= R_HPPA_GOTOFF
;
3132 else if (is_PC_relative (the_insn
.exp
))
3133 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3135 the_insn
.reloc
= R_HPPA
;
3136 the_insn
.format
= 14;
3140 /* Handle a 21 bit immediate at 31. */
3142 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3145 if (the_insn
.exp
.X_op
== O_constant
)
3147 num
= evaluate_absolute (&the_insn
);
3148 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3149 opcode
|= re_assemble_21 (num
);
3154 if (is_DP_relative (the_insn
.exp
))
3155 the_insn
.reloc
= R_HPPA_GOTOFF
;
3156 else if (is_PC_relative (the_insn
.exp
))
3157 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3159 the_insn
.reloc
= R_HPPA
;
3160 the_insn
.format
= 21;
3164 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3166 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3169 if (the_insn
.exp
.X_op
== O_constant
)
3171 num
= evaluate_absolute (&the_insn
);
3172 CHECK_FIELD (num
, 32767, -32768, 0);
3173 opcode
|= re_assemble_16 (num
);
3178 /* ??? Is this valid for wide mode? */
3179 if (is_DP_relative (the_insn
.exp
))
3180 the_insn
.reloc
= R_HPPA_GOTOFF
;
3181 else if (is_PC_relative (the_insn
.exp
))
3182 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3184 the_insn
.reloc
= R_HPPA
;
3185 the_insn
.format
= 14;
3189 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3191 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3194 if (the_insn
.exp
.X_op
== O_constant
)
3196 num
= evaluate_absolute (&the_insn
);
3197 CHECK_FIELD (num
, 32767, -32768, 0);
3198 CHECK_ALIGN (num
, 4, 0);
3199 opcode
|= re_assemble_16 (num
);
3204 /* ??? Is this valid for wide mode? */
3205 if (is_DP_relative (the_insn
.exp
))
3206 the_insn
.reloc
= R_HPPA_GOTOFF
;
3207 else if (is_PC_relative (the_insn
.exp
))
3208 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3210 the_insn
.reloc
= R_HPPA
;
3211 the_insn
.format
= 14;
3215 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3217 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3220 if (the_insn
.exp
.X_op
== O_constant
)
3222 num
= evaluate_absolute (&the_insn
);
3223 CHECK_FIELD (num
, 32767, -32768, 0);
3224 CHECK_ALIGN (num
, 8, 0);
3225 opcode
|= re_assemble_16 (num
);
3230 /* ??? Is this valid for wide mode? */
3231 if (is_DP_relative (the_insn
.exp
))
3232 the_insn
.reloc
= R_HPPA_GOTOFF
;
3233 else if (is_PC_relative (the_insn
.exp
))
3234 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3236 the_insn
.reloc
= R_HPPA
;
3237 the_insn
.format
= 14;
3241 /* Handle a 12 bit branch displacement. */
3243 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3247 if (!the_insn
.exp
.X_add_symbol
3248 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3251 num
= evaluate_absolute (&the_insn
);
3254 as_bad (_("Branch to unaligned address"));
3257 if (the_insn
.exp
.X_add_symbol
)
3259 CHECK_FIELD (num
, 8191, -8192, 0);
3260 opcode
|= re_assemble_12 (num
>> 2);
3265 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3266 the_insn
.format
= 12;
3267 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3268 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3273 /* Handle a 17 bit branch displacement. */
3275 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3279 if (!the_insn
.exp
.X_add_symbol
3280 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3283 num
= evaluate_absolute (&the_insn
);
3286 as_bad (_("Branch to unaligned address"));
3289 if (the_insn
.exp
.X_add_symbol
)
3291 CHECK_FIELD (num
, 262143, -262144, 0);
3292 opcode
|= re_assemble_17 (num
>> 2);
3297 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3298 the_insn
.format
= 17;
3299 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3300 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3304 /* Handle a 22 bit branch displacement. */
3306 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3310 if (!the_insn
.exp
.X_add_symbol
3311 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3314 num
= evaluate_absolute (&the_insn
);
3317 as_bad (_("Branch to unaligned address"));
3320 if (the_insn
.exp
.X_add_symbol
)
3322 CHECK_FIELD (num
, 8388607, -8388608, 0);
3323 opcode
|= re_assemble_22 (num
>> 2);
3327 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3328 the_insn
.format
= 22;
3329 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3330 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3334 /* Handle an absolute 17 bit branch target. */
3336 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3340 if (!the_insn
.exp
.X_add_symbol
3341 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3344 num
= evaluate_absolute (&the_insn
);
3347 as_bad (_("Branch to unaligned address"));
3350 if (the_insn
.exp
.X_add_symbol
)
3352 CHECK_FIELD (num
, 262143, -262144, 0);
3353 opcode
|= re_assemble_17 (num
>> 2);
3358 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3359 the_insn
.format
= 17;
3360 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3361 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3365 /* Handle '%r1' implicit operand of addil instruction. */
3367 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3368 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3376 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3378 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3383 /* Handle immediate value of 0 for ordered load/store instructions. */
3390 /* Handle a 2 bit shift count at 25. */
3392 num
= pa_get_absolute_expression (&the_insn
, &s
);
3393 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3396 CHECK_FIELD (num
, 3, 1, strict
);
3397 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3399 /* Handle a 4 bit shift count at 25. */
3401 num
= pa_get_absolute_expression (&the_insn
, &s
);
3402 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3405 CHECK_FIELD (num
, 15, 0, strict
);
3406 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3408 /* Handle a 5 bit shift count at 26. */
3410 num
= pa_get_absolute_expression (&the_insn
, &s
);
3411 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3414 CHECK_FIELD (num
, 31, 0, strict
);
3415 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3417 /* Handle a 6 bit shift count at 20,22:26. */
3419 num
= pa_get_absolute_expression (&the_insn
, &s
);
3420 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3423 CHECK_FIELD (num
, 63, 0, strict
);
3425 opcode
|= (num
& 0x20) << 6;
3426 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3428 /* Handle a 6 bit field length at 23,27:31. */
3431 num
= pa_get_absolute_expression (&the_insn
, &s
);
3432 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3435 CHECK_FIELD (num
, 64, 1, strict
);
3437 opcode
|= (num
& 0x20) << 3;
3438 num
= 31 - (num
& 0x1f);
3439 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3441 /* Handle a 6 bit field length at 19,27:31. */
3443 num
= pa_get_absolute_expression (&the_insn
, &s
);
3444 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3447 CHECK_FIELD (num
, 64, 1, strict
);
3449 opcode
|= (num
& 0x20) << 7;
3450 num
= 31 - (num
& 0x1f);
3451 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3453 /* Handle a 5 bit bit position at 26. */
3455 num
= pa_get_absolute_expression (&the_insn
, &s
);
3456 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3459 CHECK_FIELD (num
, 31, 0, strict
);
3460 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3462 /* Handle a 6 bit bit position at 20,22:26. */
3464 num
= pa_get_absolute_expression (&the_insn
, &s
);
3465 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3468 CHECK_FIELD (num
, 63, 0, strict
);
3469 opcode
|= (num
& 0x20) << 6;
3470 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3472 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3473 of the high bit of the immediate. */
3475 num
= pa_get_absolute_expression (&the_insn
, &s
);
3476 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3479 CHECK_FIELD (num
, 63, 0, strict
);
3483 opcode
|= (1 << 13);
3484 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3486 /* Handle a 5 bit immediate at 10. */
3488 num
= pa_get_absolute_expression (&the_insn
, &s
);
3489 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3492 CHECK_FIELD (num
, 31, 0, strict
);
3493 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3495 /* Handle a 9 bit immediate at 28. */
3497 num
= pa_get_absolute_expression (&the_insn
, &s
);
3498 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3501 CHECK_FIELD (num
, 511, 1, strict
);
3502 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3504 /* Handle a 13 bit immediate at 18. */
3506 num
= pa_get_absolute_expression (&the_insn
, &s
);
3507 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3510 CHECK_FIELD (num
, 8191, 0, strict
);
3511 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3513 /* Handle a 26 bit immediate at 31. */
3515 num
= pa_get_absolute_expression (&the_insn
, &s
);
3516 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3519 CHECK_FIELD (num
, 67108863, 0, strict
);
3520 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3522 /* Handle a 3 bit SFU identifier at 25. */
3525 as_bad (_("Invalid SFU identifier"));
3526 num
= pa_get_absolute_expression (&the_insn
, &s
);
3527 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3530 CHECK_FIELD (num
, 7, 0, strict
);
3531 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3533 /* Handle a 20 bit SOP field for spop0. */
3535 num
= pa_get_absolute_expression (&the_insn
, &s
);
3536 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3539 CHECK_FIELD (num
, 1048575, 0, strict
);
3540 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3541 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3543 /* Handle a 15bit SOP field for spop1. */
3545 num
= pa_get_absolute_expression (&the_insn
, &s
);
3546 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3549 CHECK_FIELD (num
, 32767, 0, strict
);
3550 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3552 /* Handle a 10bit SOP field for spop3. */
3554 num
= pa_get_absolute_expression (&the_insn
, &s
);
3555 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3558 CHECK_FIELD (num
, 1023, 0, strict
);
3559 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3560 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3562 /* Handle a 15 bit SOP field for spop2. */
3564 num
= pa_get_absolute_expression (&the_insn
, &s
);
3565 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3568 CHECK_FIELD (num
, 32767, 0, strict
);
3569 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3570 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3572 /* Handle a 3-bit co-processor ID field. */
3575 as_bad (_("Invalid COPR identifier"));
3576 num
= pa_get_absolute_expression (&the_insn
, &s
);
3577 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3580 CHECK_FIELD (num
, 7, 0, strict
);
3581 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3583 /* Handle a 22bit SOP field for copr. */
3585 num
= pa_get_absolute_expression (&the_insn
, &s
);
3586 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3589 CHECK_FIELD (num
, 4194303, 0, strict
);
3590 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3591 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3593 /* Handle a source FP operand format completer. */
3595 if (*s
== ',' && *(s
+1) == 't')
3602 flag
= pa_parse_fp_cnv_format (&s
);
3603 the_insn
.fpof1
= flag
;
3604 if (flag
== W
|| flag
== UW
)
3606 if (flag
== DW
|| flag
== UDW
)
3608 if (flag
== QW
|| flag
== UQW
)
3610 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3612 /* Handle a destination FP operand format completer. */
3614 /* pa_parse_format needs the ',' prefix. */
3616 flag
= pa_parse_fp_cnv_format (&s
);
3617 the_insn
.fpof2
= flag
;
3618 if (flag
== W
|| flag
== UW
)
3620 if (flag
== DW
|| flag
== UDW
)
3622 if (flag
== QW
|| flag
== UQW
)
3624 opcode
|= flag
<< 13;
3625 if (the_insn
.fpof1
== SGL
3626 || the_insn
.fpof1
== DBL
3627 || the_insn
.fpof1
== QUAD
)
3629 if (the_insn
.fpof2
== SGL
3630 || the_insn
.fpof2
== DBL
3631 || the_insn
.fpof2
== QUAD
)
3633 else if (the_insn
.fpof2
== W
3634 || the_insn
.fpof2
== DW
3635 || the_insn
.fpof2
== QW
)
3637 else if (the_insn
.fpof2
== UW
3638 || the_insn
.fpof2
== UDW
3639 || the_insn
.fpof2
== UQW
)
3644 else if (the_insn
.fpof1
== W
3645 || the_insn
.fpof1
== DW
3646 || the_insn
.fpof1
== QW
)
3648 if (the_insn
.fpof2
== SGL
3649 || the_insn
.fpof2
== DBL
3650 || the_insn
.fpof2
== QUAD
)
3655 else if (the_insn
.fpof1
== UW
3656 || the_insn
.fpof1
== UDW
3657 || the_insn
.fpof1
== UQW
)
3659 if (the_insn
.fpof2
== SGL
3660 || the_insn
.fpof2
== DBL
3661 || the_insn
.fpof2
== QUAD
)
3666 flag
|= the_insn
.trunc
;
3667 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3669 /* Handle a source FP operand format completer. */
3671 flag
= pa_parse_fp_format (&s
);
3672 the_insn
.fpof1
= flag
;
3673 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3675 /* Handle a destination FP operand format completer. */
3677 /* pa_parse_format needs the ',' prefix. */
3679 flag
= pa_parse_fp_format (&s
);
3680 the_insn
.fpof2
= flag
;
3681 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3683 /* Handle a source FP operand format completer at 20. */
3685 flag
= pa_parse_fp_format (&s
);
3686 the_insn
.fpof1
= flag
;
3687 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3689 /* Handle a floating point operand format at 26.
3690 Only allows single and double precision. */
3692 flag
= pa_parse_fp_format (&s
);
3698 the_insn
.fpof1
= flag
;
3704 as_bad (_("Invalid Floating Point Operand Format."));
3708 /* Handle all floating point registers. */
3712 /* Float target register. */
3714 if (!pa_parse_number (&s
, 3))
3716 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3717 CHECK_FIELD (num
, 31, 0, 0);
3718 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3720 /* Float target register with L/R selection. */
3723 if (!pa_parse_number (&s
, 1))
3725 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3726 CHECK_FIELD (num
, 31, 0, 0);
3729 /* 0x30 opcodes are FP arithmetic operation opcodes
3730 and need to be turned into 0x38 opcodes. This
3731 is not necessary for loads/stores. */
3732 if (need_pa11_opcode ()
3733 && ((opcode
& 0xfc000000) == 0x30000000))
3736 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3740 /* Float operand 1. */
3743 if (!pa_parse_number (&s
, 1))
3745 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3746 CHECK_FIELD (num
, 31, 0, 0);
3747 opcode
|= num
<< 21;
3748 if (need_pa11_opcode ())
3750 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3756 /* Float operand 1 with L/R selection. */
3760 if (!pa_parse_number (&s
, 1))
3762 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3763 CHECK_FIELD (num
, 31, 0, 0);
3764 opcode
|= num
<< 21;
3765 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3769 /* Float operand 2. */
3772 if (!pa_parse_number (&s
, 1))
3774 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3775 CHECK_FIELD (num
, 31, 0, 0);
3776 opcode
|= num
<< 16;
3777 if (need_pa11_opcode ())
3779 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3785 /* Float operand 2 with L/R selection. */
3788 if (!pa_parse_number (&s
, 1))
3790 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3791 CHECK_FIELD (num
, 31, 0, 0);
3792 opcode
|= num
<< 16;
3793 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3797 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3800 if (!pa_parse_number (&s
, 1))
3802 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3803 CHECK_FIELD (num
, 31, 0, 0);
3804 opcode
|= (num
& 0x1c) << 11;
3805 opcode
|= (num
& 0x03) << 9;
3806 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3810 /* Float mult operand 1 for fmpyadd, fmpysub */
3813 if (!pa_parse_number (&s
, 1))
3815 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3816 CHECK_FIELD (num
, 31, 0, 0);
3817 if (the_insn
.fpof1
== SGL
)
3821 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3825 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3827 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3830 /* Float mult operand 2 for fmpyadd, fmpysub */
3833 if (!pa_parse_number (&s
, 1))
3835 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3836 CHECK_FIELD (num
, 31, 0, 0);
3837 if (the_insn
.fpof1
== SGL
)
3841 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3845 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3847 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3850 /* Float mult target for fmpyadd, fmpysub */
3853 if (!pa_parse_number (&s
, 1))
3855 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3856 CHECK_FIELD (num
, 31, 0, 0);
3857 if (the_insn
.fpof1
== SGL
)
3861 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3865 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3867 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3870 /* Float add operand 1 for fmpyadd, fmpysub */
3873 if (!pa_parse_number (&s
, 1))
3875 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3876 CHECK_FIELD (num
, 31, 0, 0);
3877 if (the_insn
.fpof1
== SGL
)
3881 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3885 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3887 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3890 /* Float add target for fmpyadd, fmpysub */
3893 if (!pa_parse_number (&s
, 1))
3895 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3896 CHECK_FIELD (num
, 31, 0, 0);
3897 if (the_insn
.fpof1
== SGL
)
3901 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3905 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3907 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3910 /* Handle L/R register halves like 'x'. */
3914 if (!pa_parse_number (&s
, 1))
3916 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3917 CHECK_FIELD (num
, 31, 0, 0);
3918 opcode
|= num
<< 16;
3919 if (need_pa11_opcode ())
3921 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3926 /* Float target register (PA 2.0 wide). */
3928 if (!pa_parse_number (&s
, 3))
3930 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3931 CHECK_FIELD (num
, 31, 0, 0);
3932 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3946 /* Check if the args matched. */
3949 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3950 && !strcmp (insn
->name
, insn
[1].name
))
3958 as_bad (_("Invalid operands %s"), error_message
);
3965 the_insn
.opcode
= opcode
;
3968 /* Turn a string in input_line_pointer into a floating point constant of type
3969 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3970 emitted is stored in *sizeP . An error message or NULL is returned. */
3972 #define MAX_LITTLENUMS 6
3975 md_atof (type
, litP
, sizeP
)
3981 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3982 LITTLENUM_TYPE
*wordP
;
4014 return _("Bad call to MD_ATOF()");
4016 t
= atof_ieee (input_line_pointer
, type
, words
);
4018 input_line_pointer
= t
;
4019 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4020 for (wordP
= words
; prec
--;)
4022 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4023 litP
+= sizeof (LITTLENUM_TYPE
);
4028 /* Write out big-endian. */
4031 md_number_to_chars (buf
, val
, n
)
4036 number_to_chars_bigendian (buf
, val
, n
);
4039 /* Translate internal representation of relocation info to BFD target
4043 tc_gen_reloc (section
, fixp
)
4048 struct hppa_fix_struct
*hppa_fixp
;
4049 static arelent
*no_relocs
= NULL
;
4056 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4057 if (fixp
->fx_addsy
== 0)
4060 assert (hppa_fixp
!= 0);
4061 assert (section
!= 0);
4063 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4065 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4066 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4067 codes
= hppa_gen_reloc_type (stdoutput
,
4069 hppa_fixp
->fx_r_format
,
4070 hppa_fixp
->fx_r_field
,
4071 fixp
->fx_subsy
!= NULL
,
4072 symbol_get_bfdsym (fixp
->fx_addsy
));
4076 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4080 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4083 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4084 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4085 for (i
= 0; i
< n_relocs
; i
++)
4086 relocs
[i
] = &reloc
[i
];
4088 relocs
[n_relocs
] = NULL
;
4091 switch (fixp
->fx_r_type
)
4094 assert (n_relocs
== 1);
4098 /* Now, do any processing that is dependent on the relocation type. */
4101 case R_PARISC_DLTREL21L
:
4102 case R_PARISC_DLTREL14R
:
4103 case R_PARISC_DLTREL14F
:
4104 case R_PARISC_PLABEL32
:
4105 case R_PARISC_PLABEL21L
:
4106 case R_PARISC_PLABEL14R
:
4107 /* For plabel relocations, the addend of the
4108 relocation should be either 0 (no static link) or 2
4109 (static link required). This adjustment is done in
4110 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4112 We also slam a zero addend into the DLT relative relocs;
4113 it doesn't make a lot of sense to use any addend since
4114 it gets you a different (eg unknown) DLT entry. */
4118 #ifdef ELF_ARG_RELOC
4119 case R_PARISC_PCREL17R
:
4120 case R_PARISC_PCREL17F
:
4121 case R_PARISC_PCREL17C
:
4122 case R_PARISC_DIR17R
:
4123 case R_PARISC_DIR17F
:
4124 case R_PARISC_PCREL21L
:
4125 case R_PARISC_DIR21L
:
4126 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4131 case R_PARISC_DIR32
:
4132 /* Facilitate hand-crafted unwind info. */
4133 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4134 code
= R_PARISC_SEGREL32
;
4138 reloc
->addend
= fixp
->fx_offset
;
4142 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4143 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4144 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4145 (bfd_reloc_code_real_type
) code
);
4146 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4148 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4153 /* Walk over reach relocation returned by the BFD backend. */
4154 for (i
= 0; i
< n_relocs
; i
++)
4158 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4159 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4161 bfd_reloc_type_lookup (stdoutput
,
4162 (bfd_reloc_code_real_type
) code
);
4163 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4168 /* The only time we ever use a R_COMP2 fixup is for the difference
4169 of two symbols. With that in mind we fill in all four
4170 relocs now and break out of the loop. */
4172 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4174 bfd_reloc_type_lookup (stdoutput
,
4175 (bfd_reloc_code_real_type
) *codes
[0]);
4176 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4177 relocs
[0]->addend
= 0;
4178 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4179 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4181 bfd_reloc_type_lookup (stdoutput
,
4182 (bfd_reloc_code_real_type
) *codes
[1]);
4183 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4184 relocs
[1]->addend
= 0;
4185 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4186 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4188 bfd_reloc_type_lookup (stdoutput
,
4189 (bfd_reloc_code_real_type
) *codes
[2]);
4190 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4191 relocs
[2]->addend
= 0;
4192 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4194 bfd_reloc_type_lookup (stdoutput
,
4195 (bfd_reloc_code_real_type
) *codes
[3]);
4196 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4197 relocs
[3]->addend
= 0;
4198 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4200 bfd_reloc_type_lookup (stdoutput
,
4201 (bfd_reloc_code_real_type
) *codes
[4]);
4202 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4203 relocs
[4]->addend
= 0;
4207 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4213 /* For plabel relocations, the addend of the
4214 relocation should be either 0 (no static link) or 2
4215 (static link required).
4217 FIXME: We always assume no static link!
4219 We also slam a zero addend into the DLT relative relocs;
4220 it doesn't make a lot of sense to use any addend since
4221 it gets you a different (eg unknown) DLT entry. */
4222 relocs
[i
]->addend
= 0;
4237 /* There is no symbol or addend associated with these fixups. */
4238 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4239 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4240 relocs
[i
]->addend
= 0;
4246 /* There is no symbol associated with these fixups. */
4247 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4248 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4249 relocs
[i
]->addend
= fixp
->fx_offset
;
4253 relocs
[i
]->addend
= fixp
->fx_offset
;
4263 /* Process any machine dependent frag types. */
4266 md_convert_frag (abfd
, sec
, fragP
)
4267 register bfd
*abfd ATTRIBUTE_UNUSED
;
4268 register asection
*sec ATTRIBUTE_UNUSED
;
4269 register fragS
*fragP
;
4271 unsigned int address
;
4273 if (fragP
->fr_type
== rs_machine_dependent
)
4275 switch ((int) fragP
->fr_subtype
)
4278 fragP
->fr_type
= rs_fill
;
4279 know (fragP
->fr_var
== 1);
4280 know (fragP
->fr_next
);
4281 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4282 if (address
% fragP
->fr_offset
)
4285 fragP
->fr_next
->fr_address
4290 fragP
->fr_offset
= 0;
4296 /* Round up a section size to the appropriate boundary. */
4299 md_section_align (segment
, size
)
4303 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4304 int align2
= (1 << align
) - 1;
4306 return (size
+ align2
) & ~align2
;
4309 /* Return the approximate size of a frag before relaxation has occurred. */
4311 md_estimate_size_before_relax (fragP
, segment
)
4312 register fragS
*fragP
;
4313 asection
*segment ATTRIBUTE_UNUSED
;
4319 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4326 # ifdef WARN_COMMENTS
4327 const char *md_shortopts
= "Vc";
4329 const char *md_shortopts
= "V";
4332 # ifdef WARN_COMMENTS
4333 const char *md_shortopts
= "c";
4335 const char *md_shortopts
= "";
4339 struct option md_longopts
[] = {
4340 #ifdef WARN_COMMENTS
4341 {"warn-comment", no_argument
, NULL
, 'c'},
4343 {NULL
, no_argument
, NULL
, 0}
4345 size_t md_longopts_size
= sizeof (md_longopts
);
4348 md_parse_option (c
, arg
)
4349 int c ATTRIBUTE_UNUSED
;
4350 char *arg ATTRIBUTE_UNUSED
;
4359 print_version_id ();
4362 #ifdef WARN_COMMENTS
4373 md_show_usage (stream
)
4374 FILE *stream ATTRIBUTE_UNUSED
;
4377 fprintf (stream
, _("\
4380 #ifdef WARN_COMMENTS
4381 fprintf (stream
, _("\
4382 -c print a warning if a comment is found\n"));
4386 /* We have no need to default values of symbols. */
4389 md_undefined_symbol (name
)
4390 char *name ATTRIBUTE_UNUSED
;
4395 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4396 #define nonzero_dibits(x) \
4397 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4398 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4399 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4401 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4404 /* Apply a fixup to an instruction. */
4407 md_apply_fix (fixP
, valp
)
4412 struct hppa_fix_struct
*hppa_fixP
;
4416 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4417 never be "applied" (they are just markers). Likewise for
4418 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4420 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4421 || fixP
->fx_r_type
== R_HPPA_EXIT
4422 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4423 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4424 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4427 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4428 fixups are considered not adjustable, which in turn causes
4429 adjust_reloc_syms to not set fx_offset. Ugh. */
4430 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4432 fixP
->fx_offset
= *valp
;
4437 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4438 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4442 /* There should have been an HPPA specific fixup associated
4443 with the GAS fixup. */
4444 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4445 if (hppa_fixP
== NULL
)
4447 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4448 _("no hppa_fixup entry for fixup type 0x%x"),
4453 buf
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
4454 insn
= bfd_get_32 (stdoutput
, buf
);
4455 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4457 /* If there is a symbol associated with this fixup, then it's something
4458 which will need a SOM relocation (except for some PC-relative relocs).
4459 In such cases we should treat the "val" or "addend" as zero since it
4460 will be added in as needed from fx_offset in tc_gen_reloc. */
4461 if ((fixP
->fx_addsy
!= NULL
4462 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4467 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4469 /* These field selectors imply that we do not want an addend. */
4470 else if (hppa_fixP
->fx_r_field
== e_psel
4471 || hppa_fixP
->fx_r_field
== e_rpsel
4472 || hppa_fixP
->fx_r_field
== e_lpsel
4473 || hppa_fixP
->fx_r_field
== e_tsel
4474 || hppa_fixP
->fx_r_field
== e_rtsel
4475 || hppa_fixP
->fx_r_field
== e_ltsel
)
4476 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4477 /* This is truly disgusting. The machine independent code blindly
4478 adds in the value of the symbol being relocated against. Damn! */
4480 && fixP
->fx_addsy
!= NULL
4481 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
4482 new_val
= hppa_field_adjust (*valp
- S_GET_VALUE (fixP
->fx_addsy
),
4483 0, hppa_fixP
->fx_r_field
);
4486 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4488 /* Handle pc-relative exceptions from above. */
4489 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4492 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4493 hppa_fixP
->fx_arg_reloc
)
4495 && (*valp
- 8 + 8192 < 16384
4496 || (fmt
== 17 && *valp
- 8 + 262144 < 524288)
4497 || (fmt
== 22 && *valp
- 8 + 8388608 < 16777216))
4500 && (*valp
- 8 + 262144 < 524288
4501 || (fmt
== 22 && *valp
- 8 + 8388608 < 16777216))
4503 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4504 && !S_IS_WEAK (fixP
->fx_addsy
)
4505 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4507 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4509 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4515 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4516 fixP
->fx_file
, fixP
->fx_line
);
4519 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4520 | ((val
& 0x2000) >> 13));
4523 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4524 fixP
->fx_file
, fixP
->fx_line
);
4527 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4528 | ((val
& 0x2000) >> 13));
4530 /* Handle all opcodes with the 'j' operand type. */
4532 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4533 fixP
->fx_file
, fixP
->fx_line
);
4536 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4539 /* Handle all opcodes with the 'k' operand type. */
4541 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4542 fixP
->fx_file
, fixP
->fx_line
);
4545 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4548 /* Handle all the opcodes with the 'i' operand type. */
4550 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4551 fixP
->fx_file
, fixP
->fx_line
);
4554 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4557 /* Handle all the opcodes with the 'w' operand type. */
4559 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4560 fixP
->fx_file
, fixP
->fx_line
);
4563 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4566 /* Handle some of the opcodes with the 'W' operand type. */
4569 offsetT distance
= *valp
;
4571 /* If this is an absolute branch (ie no link) with an out of
4572 range target, then we want to complain. */
4573 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4574 && (insn
& 0xffe00000) == 0xe8000000)
4575 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4576 fixP
->fx_file
, fixP
->fx_line
);
4578 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4579 fixP
->fx_file
, fixP
->fx_line
);
4582 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4588 offsetT distance
= *valp
;
4590 /* If this is an absolute branch (ie no link) with an out of
4591 range target, then we want to complain. */
4592 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4593 && (insn
& 0xffe00000) == 0xe8000000)
4594 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4595 fixP
->fx_file
, fixP
->fx_line
);
4597 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4598 fixP
->fx_file
, fixP
->fx_line
);
4601 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4607 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4612 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4617 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4625 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4626 _("Unknown relocation encountered in md_apply_fix."));
4630 /* Insert the relocation. */
4631 bfd_put_32 (stdoutput
, insn
, buf
);
4635 /* Exactly what point is a PC-relative offset relative TO?
4636 On the PA, they're relative to the address of the offset. */
4639 md_pcrel_from (fixP
)
4642 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4645 /* Return nonzero if the input line pointer is at the end of
4649 is_end_of_statement ()
4651 return ((*input_line_pointer
== '\n')
4652 || (*input_line_pointer
== ';')
4653 || (*input_line_pointer
== '!'));
4656 /* Read a number from S. The number might come in one of many forms,
4657 the most common will be a hex or decimal constant, but it could be
4658 a pre-defined register (Yuk!), or an absolute symbol.
4660 Return 1 on success or 0 on failure. If STRICT, then a missing
4661 register prefix will cause a failure. The number itself is
4662 returned in `pa_number'.
4664 IS_FLOAT indicates that a PA-89 FP register number should be
4665 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4668 pa_parse_number can not handle negative constants and will fail
4669 horribly if it is passed such a constant. */
4672 pa_parse_number (s
, is_float
)
4682 boolean have_prefix
;
4684 /* Skip whitespace before the number. */
4685 while (*p
== ' ' || *p
== '\t')
4691 if (!strict
&& ISDIGIT (*p
))
4693 /* Looks like a number. */
4695 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4697 /* The number is specified in hex. */
4699 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4700 || ((*p
>= 'A') && (*p
<= 'F')))
4703 num
= num
* 16 + *p
- '0';
4704 else if (*p
>= 'a' && *p
<= 'f')
4705 num
= num
* 16 + *p
- 'a' + 10;
4707 num
= num
* 16 + *p
- 'A' + 10;
4713 /* The number is specified in decimal. */
4714 while (ISDIGIT (*p
))
4716 num
= num
* 10 + *p
- '0';
4723 /* Check for a `l' or `r' suffix. */
4726 pa_number
+= FP_REG_BASE
;
4727 if (! (is_float
& 2))
4729 if (IS_R_SELECT (p
))
4731 pa_number
+= FP_REG_RSEL
;
4734 else if (IS_L_SELECT (p
))
4743 /* The number might be a predefined register. */
4748 /* Tege hack: Special case for general registers as the general
4749 code makes a binary search with case translation, and is VERY
4754 if (*p
== 'e' && *(p
+ 1) == 't'
4755 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4758 num
= *p
- '0' + 28;
4766 else if (!ISDIGIT (*p
))
4769 as_bad (_("Undefined register: '%s'."), name
);
4775 num
= num
* 10 + *p
++ - '0';
4776 while (ISDIGIT (*p
));
4781 /* Do a normal register search. */
4782 while (is_part_of_name (c
))
4788 status
= reg_name_search (name
);
4794 as_bad (_("Undefined register: '%s'."), name
);
4804 /* And finally, it could be a symbol in the absolute section which
4805 is effectively a constant, or a register alias symbol. */
4808 while (is_part_of_name (c
))
4814 if ((sym
= symbol_find (name
)) != NULL
)
4816 if (S_GET_SEGMENT (sym
) == reg_section
)
4818 num
= S_GET_VALUE (sym
);
4819 /* Well, we don't really have one, but we do have a
4823 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4824 num
= S_GET_VALUE (sym
);
4828 as_bad (_("Non-absolute symbol: '%s'."), name
);
4834 /* There is where we'd come for an undefined symbol
4835 or for an empty string. For an empty string we
4836 will return zero. That's a concession made for
4837 compatability with the braindamaged HP assemblers. */
4843 as_bad (_("Undefined absolute constant: '%s'."), name
);
4852 if (!strict
|| have_prefix
)
4860 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4862 /* Given NAME, find the register number associated with that name, return
4863 the integer value associated with the given name or -1 on failure. */
4866 reg_name_search (name
)
4869 int middle
, low
, high
;
4873 high
= REG_NAME_CNT
- 1;
4877 middle
= (low
+ high
) / 2;
4878 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4884 return pre_defined_registers
[middle
].value
;
4886 while (low
<= high
);
4891 /* Return nonzero if the given INSN and L/R information will require
4892 a new PA-1.1 opcode. */
4897 if ((pa_number
& FP_REG_RSEL
) != 0
4898 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4900 /* If this instruction is specific to a particular architecture,
4901 then set a new architecture. */
4902 if (bfd_get_mach (stdoutput
) < pa11
)
4904 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4905 as_warn (_("could not update architecture and machine"));
4913 /* Parse a condition for a fcmp instruction. Return the numerical
4914 code associated with the condition. */
4917 pa_parse_fp_cmp_cond (s
)
4924 for (i
= 0; i
< 32; i
++)
4926 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4927 strlen (fp_cond_map
[i
].string
)) == 0)
4929 cond
= fp_cond_map
[i
].cond
;
4930 *s
+= strlen (fp_cond_map
[i
].string
);
4931 /* If not a complete match, back up the input string and
4933 if (**s
!= ' ' && **s
!= '\t')
4935 *s
-= strlen (fp_cond_map
[i
].string
);
4938 while (**s
== ' ' || **s
== '\t')
4944 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4946 /* Advance over the bogus completer. */
4947 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4953 /* Parse a graphics test complete for ftest. */
4956 pa_parse_ftest_gfx_completer (s
)
4962 if (strncasecmp (*s
, "acc8", 4) == 0)
4967 else if (strncasecmp (*s
, "acc6", 4) == 0)
4972 else if (strncasecmp (*s
, "acc4", 4) == 0)
4977 else if (strncasecmp (*s
, "acc2", 4) == 0)
4982 else if (strncasecmp (*s
, "acc", 3) == 0)
4987 else if (strncasecmp (*s
, "rej8", 4) == 0)
4992 else if (strncasecmp (*s
, "rej", 3) == 0)
5000 as_bad (_("Invalid FTEST completer: %s"), *s
);
5006 /* Parse an FP operand format completer returning the completer
5009 static fp_operand_format
5010 pa_parse_fp_cnv_format (s
)
5019 if (strncasecmp (*s
, "sgl", 3) == 0)
5024 else if (strncasecmp (*s
, "dbl", 3) == 0)
5029 else if (strncasecmp (*s
, "quad", 4) == 0)
5034 else if (strncasecmp (*s
, "w", 1) == 0)
5039 else if (strncasecmp (*s
, "uw", 2) == 0)
5044 else if (strncasecmp (*s
, "dw", 2) == 0)
5049 else if (strncasecmp (*s
, "udw", 3) == 0)
5054 else if (strncasecmp (*s
, "qw", 2) == 0)
5059 else if (strncasecmp (*s
, "uqw", 3) == 0)
5066 format
= ILLEGAL_FMT
;
5067 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5074 /* Parse an FP operand format completer returning the completer
5077 static fp_operand_format
5078 pa_parse_fp_format (s
)
5087 if (strncasecmp (*s
, "sgl", 3) == 0)
5092 else if (strncasecmp (*s
, "dbl", 3) == 0)
5097 else if (strncasecmp (*s
, "quad", 4) == 0)
5104 format
= ILLEGAL_FMT
;
5105 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5112 /* Convert from a selector string into a selector type. */
5115 pa_chk_field_selector (str
)
5118 int middle
, low
, high
;
5122 /* Read past any whitespace. */
5123 /* FIXME: should we read past newlines and formfeeds??? */
5124 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5127 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5128 name
[0] = TOLOWER ((*str
)[0]),
5130 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5131 name
[0] = TOLOWER ((*str
)[0]),
5132 name
[1] = TOLOWER ((*str
)[1]),
5134 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5135 name
[0] = TOLOWER ((*str
)[0]),
5136 name
[1] = TOLOWER ((*str
)[1]),
5137 name
[2] = TOLOWER ((*str
)[2]),
5143 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5147 middle
= (low
+ high
) / 2;
5148 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5155 *str
+= strlen (name
) + 1;
5157 if (selector_table
[middle
].field_selector
== e_nsel
)
5160 return selector_table
[middle
].field_selector
;
5163 while (low
<= high
);
5168 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5171 get_expression (str
)
5177 save_in
= input_line_pointer
;
5178 input_line_pointer
= str
;
5179 seg
= expression (&the_insn
.exp
);
5180 if (!(seg
== absolute_section
5181 || seg
== undefined_section
5182 || SEG_NORMAL (seg
)))
5184 as_warn (_("Bad segment in expression."));
5185 expr_end
= input_line_pointer
;
5186 input_line_pointer
= save_in
;
5189 expr_end
= input_line_pointer
;
5190 input_line_pointer
= save_in
;
5194 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5196 pa_get_absolute_expression (insn
, strp
)
5202 insn
->field_selector
= pa_chk_field_selector (strp
);
5203 save_in
= input_line_pointer
;
5204 input_line_pointer
= *strp
;
5205 expression (&insn
->exp
);
5206 /* This is not perfect, but is a huge improvement over doing nothing.
5208 The PA assembly syntax is ambigious in a variety of ways. Consider
5209 this string "4 %r5" Is that the number 4 followed by the register
5210 r5, or is that 4 MOD r5?
5212 If we get a modulo expresion When looking for an absolute, we try
5213 again cutting off the input string at the first whitespace character. */
5214 if (insn
->exp
.X_op
== O_modulus
)
5219 input_line_pointer
= *strp
;
5221 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5227 retval
= pa_get_absolute_expression (insn
, strp
);
5229 input_line_pointer
= save_in
;
5231 return evaluate_absolute (insn
);
5233 /* When in strict mode we have a non-match, fix up the pointers
5234 and return to our caller. */
5235 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5237 expr_end
= input_line_pointer
;
5238 input_line_pointer
= save_in
;
5241 if (insn
->exp
.X_op
!= O_constant
)
5243 as_bad (_("Bad segment (should be absolute)."));
5244 expr_end
= input_line_pointer
;
5245 input_line_pointer
= save_in
;
5248 expr_end
= input_line_pointer
;
5249 input_line_pointer
= save_in
;
5250 return evaluate_absolute (insn
);
5253 /* Evaluate an absolute expression EXP which may be modified by
5254 the selector FIELD_SELECTOR. Return the value of the expression. */
5256 evaluate_absolute (insn
)
5261 int field_selector
= insn
->field_selector
;
5264 value
= exp
.X_add_number
;
5266 return hppa_field_adjust (0, value
, field_selector
);
5269 /* Given an argument location specification return the associated
5270 argument location number. */
5273 pa_build_arg_reloc (type_name
)
5277 if (strncasecmp (type_name
, "no", 2) == 0)
5279 if (strncasecmp (type_name
, "gr", 2) == 0)
5281 else if (strncasecmp (type_name
, "fr", 2) == 0)
5283 else if (strncasecmp (type_name
, "fu", 2) == 0)
5286 as_bad (_("Invalid argument location: %s\n"), type_name
);
5291 /* Encode and return an argument relocation specification for
5292 the given register in the location specified by arg_reloc. */
5295 pa_align_arg_reloc (reg
, arg_reloc
)
5297 unsigned int arg_reloc
;
5299 unsigned int new_reloc
;
5301 new_reloc
= arg_reloc
;
5317 as_bad (_("Invalid argument description: %d"), reg
);
5323 /* Parse a PA nullification completer (,n). Return nonzero if the
5324 completer was found; return zero if no completer was found. */
5336 if (strncasecmp (*s
, "n", 1) == 0)
5340 as_bad (_("Invalid Nullification: (%c)"), **s
);
5349 /* Parse a non-negated compare/subtract completer returning the
5350 number (for encoding in instrutions) of the given completer. */
5353 pa_parse_nonneg_cmpsub_cmpltr (s
)
5357 char *name
= *s
+ 1;
5366 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5371 if (strcmp (name
, "=") == 0)
5375 else if (strcmp (name
, "<") == 0)
5379 else if (strcmp (name
, "<=") == 0)
5383 else if (strcmp (name
, "<<") == 0)
5387 else if (strcmp (name
, "<<=") == 0)
5391 else if (strcasecmp (name
, "sv") == 0)
5395 else if (strcasecmp (name
, "od") == 0)
5399 /* If we have something like addb,n then there is no condition
5401 else if (strcasecmp (name
, "n") == 0)
5413 /* Reset pointers if this was really a ,n for a branch instruction. */
5420 /* Parse a negated compare/subtract completer returning the
5421 number (for encoding in instrutions) of the given completer. */
5424 pa_parse_neg_cmpsub_cmpltr (s
)
5428 char *name
= *s
+ 1;
5437 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5442 if (strcasecmp (name
, "tr") == 0)
5446 else if (strcmp (name
, "<>") == 0)
5450 else if (strcmp (name
, ">=") == 0)
5454 else if (strcmp (name
, ">") == 0)
5458 else if (strcmp (name
, ">>=") == 0)
5462 else if (strcmp (name
, ">>") == 0)
5466 else if (strcasecmp (name
, "nsv") == 0)
5470 else if (strcasecmp (name
, "ev") == 0)
5474 /* If we have something like addb,n then there is no condition
5476 else if (strcasecmp (name
, "n") == 0)
5488 /* Reset pointers if this was really a ,n for a branch instruction. */
5495 /* Parse a 64 bit compare and branch completer returning the number (for
5496 encoding in instrutions) of the given completer.
5498 Nonnegated comparisons are returned as 0-7, negated comparisons are
5499 returned as 8-15. */
5502 pa_parse_cmpb_64_cmpltr (s
)
5506 char *name
= *s
+ 1;
5513 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5518 if (strcmp (name
, "*") == 0)
5522 else if (strcmp (name
, "*=") == 0)
5526 else if (strcmp (name
, "*<") == 0)
5530 else if (strcmp (name
, "*<=") == 0)
5534 else if (strcmp (name
, "*<<") == 0)
5538 else if (strcmp (name
, "*<<=") == 0)
5542 else if (strcasecmp (name
, "*sv") == 0)
5546 else if (strcasecmp (name
, "*od") == 0)
5550 else if (strcasecmp (name
, "*tr") == 0)
5554 else if (strcmp (name
, "*<>") == 0)
5558 else if (strcmp (name
, "*>=") == 0)
5562 else if (strcmp (name
, "*>") == 0)
5566 else if (strcmp (name
, "*>>=") == 0)
5570 else if (strcmp (name
, "*>>") == 0)
5574 else if (strcasecmp (name
, "*nsv") == 0)
5578 else if (strcasecmp (name
, "*ev") == 0)
5592 /* Parse a 64 bit compare immediate and branch completer returning the number
5593 (for encoding in instrutions) of the given completer. */
5596 pa_parse_cmpib_64_cmpltr (s
)
5600 char *name
= *s
+ 1;
5607 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5612 if (strcmp (name
, "*<<") == 0)
5616 else if (strcmp (name
, "*=") == 0)
5620 else if (strcmp (name
, "*<") == 0)
5624 else if (strcmp (name
, "*<=") == 0)
5628 else if (strcmp (name
, "*>>=") == 0)
5632 else if (strcmp (name
, "*<>") == 0)
5636 else if (strcasecmp (name
, "*>=") == 0)
5640 else if (strcasecmp (name
, "*>") == 0)
5654 /* Parse a non-negated addition completer returning the number
5655 (for encoding in instrutions) of the given completer. */
5658 pa_parse_nonneg_add_cmpltr (s
)
5662 char *name
= *s
+ 1;
5671 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5675 if (strcmp (name
, "=") == 0)
5679 else if (strcmp (name
, "<") == 0)
5683 else if (strcmp (name
, "<=") == 0)
5687 else if (strcasecmp (name
, "nuv") == 0)
5691 else if (strcasecmp (name
, "znv") == 0)
5695 else if (strcasecmp (name
, "sv") == 0)
5699 else if (strcasecmp (name
, "od") == 0)
5703 /* If we have something like addb,n then there is no condition
5705 else if (strcasecmp (name
, "n") == 0)
5717 /* Reset pointers if this was really a ,n for a branch instruction. */
5724 /* Parse a negated addition completer returning the number
5725 (for encoding in instrutions) of the given completer. */
5728 pa_parse_neg_add_cmpltr (s
)
5732 char *name
= *s
+ 1;
5741 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5745 if (strcasecmp (name
, "tr") == 0)
5749 else if (strcmp (name
, "<>") == 0)
5753 else if (strcmp (name
, ">=") == 0)
5757 else if (strcmp (name
, ">") == 0)
5761 else if (strcasecmp (name
, "uv") == 0)
5765 else if (strcasecmp (name
, "vnz") == 0)
5769 else if (strcasecmp (name
, "nsv") == 0)
5773 else if (strcasecmp (name
, "ev") == 0)
5777 /* If we have something like addb,n then there is no condition
5779 else if (strcasecmp (name
, "n") == 0)
5791 /* Reset pointers if this was really a ,n for a branch instruction. */
5798 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5799 encoding in instrutions) of the given completer. */
5802 pa_parse_addb_64_cmpltr (s
)
5806 char *name
= *s
+ 1;
5815 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5819 if (strcmp (name
, "=") == 0)
5823 else if (strcmp (name
, "<") == 0)
5827 else if (strcmp (name
, "<=") == 0)
5831 else if (strcasecmp (name
, "nuv") == 0)
5835 else if (strcasecmp (name
, "*=") == 0)
5839 else if (strcasecmp (name
, "*<") == 0)
5843 else if (strcasecmp (name
, "*<=") == 0)
5847 else if (strcmp (name
, "tr") == 0)
5851 else if (strcmp (name
, "<>") == 0)
5855 else if (strcmp (name
, ">=") == 0)
5859 else if (strcmp (name
, ">") == 0)
5863 else if (strcasecmp (name
, "uv") == 0)
5867 else if (strcasecmp (name
, "*<>") == 0)
5871 else if (strcasecmp (name
, "*>=") == 0)
5875 else if (strcasecmp (name
, "*>") == 0)
5879 /* If we have something like addb,n then there is no condition
5881 else if (strcasecmp (name
, "n") == 0)
5893 /* Reset pointers if this was really a ,n for a branch instruction. */
5901 /* Handle an alignment directive. Special so that we can update the
5902 alignment of the subspace if necessary. */
5907 /* We must have a valid space and subspace. */
5908 pa_check_current_space_and_subspace ();
5910 /* Let the generic gas code do most of the work. */
5911 s_align_bytes (bytes
);
5913 /* If bytes is a power of 2, then update the current subspace's
5914 alignment if necessary. */
5915 if (log2 (bytes
) != -1)
5916 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5920 /* Handle a .BLOCK type pseudo-op. */
5924 int z ATTRIBUTE_UNUSED
;
5928 unsigned int temp_size
;
5932 /* We must have a valid space and subspace. */
5933 pa_check_current_space_and_subspace ();
5936 temp_size
= get_absolute_expression ();
5938 /* Always fill with zeros, that's what the HP assembler does. */
5941 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5942 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5943 memset (p
, 0, temp_size
);
5945 /* Convert 2 bytes at a time. */
5947 for (i
= 0; i
< temp_size
; i
+= 2)
5949 md_number_to_chars (p
+ i
,
5951 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5954 pa_undefine_label ();
5955 demand_empty_rest_of_line ();
5958 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5962 int begin ATTRIBUTE_UNUSED
;
5966 /* The BRTAB relocations are only availble in SOM (to denote
5967 the beginning and end of branch tables). */
5968 char *where
= frag_more (0);
5970 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5971 NULL
, (offsetT
) 0, NULL
,
5972 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5976 demand_empty_rest_of_line ();
5979 /* Handle a .begin_try and .end_try pseudo-op. */
5983 int begin ATTRIBUTE_UNUSED
;
5987 char *where
= frag_more (0);
5992 /* The TRY relocations are only availble in SOM (to denote
5993 the beginning and end of exception handling regions). */
5995 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5996 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5997 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6001 demand_empty_rest_of_line ();
6004 /* Handle a .CALL pseudo-op. This involves storing away information
6005 about where arguments are to be found so the linker can detect
6006 (and correct) argument location mismatches between caller and callee. */
6010 int unused ATTRIBUTE_UNUSED
;
6013 /* We must have a valid space and subspace. */
6014 pa_check_current_space_and_subspace ();
6017 pa_call_args (&last_call_desc
);
6018 demand_empty_rest_of_line ();
6021 /* Do the dirty work of building a call descriptor which describes
6022 where the caller placed arguments to a function call. */
6025 pa_call_args (call_desc
)
6026 struct call_desc
*call_desc
;
6029 unsigned int temp
, arg_reloc
;
6031 while (!is_end_of_statement ())
6033 name
= input_line_pointer
;
6034 c
= get_symbol_end ();
6035 /* Process a source argument. */
6036 if ((strncasecmp (name
, "argw", 4) == 0))
6038 temp
= atoi (name
+ 4);
6039 p
= input_line_pointer
;
6041 input_line_pointer
++;
6042 name
= input_line_pointer
;
6043 c
= get_symbol_end ();
6044 arg_reloc
= pa_build_arg_reloc (name
);
6045 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6047 /* Process a return value. */
6048 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6050 p
= input_line_pointer
;
6052 input_line_pointer
++;
6053 name
= input_line_pointer
;
6054 c
= get_symbol_end ();
6055 arg_reloc
= pa_build_arg_reloc (name
);
6056 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6060 as_bad (_("Invalid .CALL argument: %s"), name
);
6062 p
= input_line_pointer
;
6064 if (!is_end_of_statement ())
6065 input_line_pointer
++;
6069 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6072 is_same_frag (frag1
, frag2
)
6079 else if (frag2
== NULL
)
6081 else if (frag1
== frag2
)
6083 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6084 return (is_same_frag (frag1
, frag2
->fr_next
));
6090 /* Build an entry in the UNWIND subspace from the given function
6091 attributes in CALL_INFO. This is not needed for SOM as using
6092 R_ENTRY and R_EXIT relocations allow the linker to handle building
6093 of the unwind spaces. */
6096 pa_build_unwind_subspace (call_info
)
6097 struct call_info
*call_info
;
6099 asection
*seg
, *save_seg
;
6100 subsegT save_subseg
;
6101 unsigned int unwind
;
6105 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6106 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6107 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6110 reloc
= R_PARISC_SEGREL32
;
6112 save_subseg
= now_subseg
;
6113 /* Get into the right seg/subseg. This may involve creating
6114 the seg the first time through. Make sure to have the
6115 old seg/subseg so that we can reset things when we are done. */
6116 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6117 if (seg
== ASEC_NULL
)
6119 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6120 bfd_set_section_flags (stdoutput
, seg
,
6121 SEC_READONLY
| SEC_HAS_CONTENTS
6122 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6123 bfd_set_section_alignment (stdoutput
, seg
, 2);
6126 subseg_set (seg
, 0);
6128 /* Get some space to hold relocation information for the unwind
6132 /* Relocation info. for start offset of the function. */
6133 md_number_to_chars (p
, 0, 4);
6134 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6135 call_info
->start_symbol
, (offsetT
) 0,
6136 (expressionS
*) NULL
, 0, reloc
,
6139 /* Relocation info. for end offset of the function.
6141 Because we allow reductions of 32bit relocations for ELF, this will be
6142 reduced to section_sym + offset which avoids putting the temporary
6143 symbol into the symbol table. It (should) end up giving the same
6144 value as call_info->start_symbol + function size once the linker is
6145 finished with its work. */
6146 md_number_to_chars (p
+ 4, 0, 4);
6147 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6148 call_info
->end_symbol
, (offsetT
) 0,
6149 (expressionS
*) NULL
, 0, reloc
,
6152 /* Dump the descriptor. */
6153 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6154 md_number_to_chars (p
+ 8, unwind
, 4);
6156 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6157 md_number_to_chars (p
+ 12, unwind
, 4);
6159 /* Return back to the original segment/subsegment. */
6160 subseg_set (save_seg
, save_subseg
);
6164 /* Process a .CALLINFO pseudo-op. This information is used later
6165 to build unwind descriptors and maybe one day to support
6166 .ENTER and .LEAVE. */
6169 pa_callinfo (unused
)
6170 int unused ATTRIBUTE_UNUSED
;
6176 /* We must have a valid space and subspace. */
6177 pa_check_current_space_and_subspace ();
6180 /* .CALLINFO must appear within a procedure definition. */
6181 if (!within_procedure
)
6182 as_bad (_(".callinfo is not within a procedure definition"));
6184 /* Mark the fact that we found the .CALLINFO for the
6185 current procedure. */
6186 callinfo_found
= TRUE
;
6188 /* Iterate over the .CALLINFO arguments. */
6189 while (!is_end_of_statement ())
6191 name
= input_line_pointer
;
6192 c
= get_symbol_end ();
6193 /* Frame size specification. */
6194 if ((strncasecmp (name
, "frame", 5) == 0))
6196 p
= input_line_pointer
;
6198 input_line_pointer
++;
6199 temp
= get_absolute_expression ();
6200 if ((temp
& 0x3) != 0)
6202 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6206 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6207 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6210 /* Entry register (GR, GR and SR) specifications. */
6211 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6213 p
= input_line_pointer
;
6215 input_line_pointer
++;
6216 temp
= get_absolute_expression ();
6217 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6218 even though %r19 is caller saved. I think this is a bug in
6219 the HP assembler, and we are not going to emulate it. */
6220 if (temp
< 3 || temp
> 18)
6221 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6222 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6224 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6226 p
= input_line_pointer
;
6228 input_line_pointer
++;
6229 temp
= get_absolute_expression ();
6230 /* Similarly the HP assembler takes 31 as the high bound even
6231 though %fr21 is the last callee saved floating point register. */
6232 if (temp
< 12 || temp
> 21)
6233 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6234 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6236 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6238 p
= input_line_pointer
;
6240 input_line_pointer
++;
6241 temp
= get_absolute_expression ();
6243 as_bad (_("Value for ENTRY_SR must be 3\n"));
6245 /* Note whether or not this function performs any calls. */
6246 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6247 (strncasecmp (name
, "caller", 6) == 0))
6249 p
= input_line_pointer
;
6252 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6254 p
= input_line_pointer
;
6257 /* Should RP be saved into the stack. */
6258 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6260 p
= input_line_pointer
;
6262 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6264 /* Likewise for SP. */
6265 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6267 p
= input_line_pointer
;
6269 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6271 /* Is this an unwindable procedure. If so mark it so
6272 in the unwind descriptor. */
6273 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6275 p
= input_line_pointer
;
6277 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6279 /* Is this an interrupt routine. If so mark it in the
6280 unwind descriptor. */
6281 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6283 p
= input_line_pointer
;
6285 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6287 /* Is this a millicode routine. "millicode" isn't in my
6288 assembler manual, but my copy is old. The HP assembler
6289 accepts it, and there's a place in the unwind descriptor
6290 to drop the information, so we'll accept it too. */
6291 else if ((strncasecmp (name
, "millicode", 9) == 0))
6293 p
= input_line_pointer
;
6295 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6299 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6300 *input_line_pointer
= c
;
6302 if (!is_end_of_statement ())
6303 input_line_pointer
++;
6306 demand_empty_rest_of_line ();
6309 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
6310 /* Switch to the text space. Like s_text, but delete our
6311 label when finished. */
6314 int unused ATTRIBUTE_UNUSED
;
6317 current_space
= is_defined_space ("$TEXT$");
6319 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6323 pa_undefine_label ();
6326 /* Switch to the data space. As usual delete our label. */
6329 int unused ATTRIBUTE_UNUSED
;
6332 current_space
= is_defined_space ("$PRIVATE$");
6334 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6337 pa_undefine_label ();
6340 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6341 the .comm pseudo-op has the following symtax:
6343 <label> .comm <length>
6345 where <label> is optional and is a symbol whose address will be the start of
6346 a block of memory <length> bytes long. <length> must be an absolute
6347 expression. <length> bytes will be allocated in the current space
6350 Also note the label may not even be on the same line as the .comm.
6352 This difference in syntax means the colon function will be called
6353 on the symbol before we arrive in pa_comm. colon will set a number
6354 of attributes of the symbol that need to be fixed here. In particular
6355 the value, section pointer, fragment pointer, flags, etc. What
6358 This also makes error detection all but impossible. */
6362 int unused ATTRIBUTE_UNUSED
;
6366 label_symbol_struct
*label_symbol
= pa_get_label ();
6369 symbol
= label_symbol
->lss_label
;
6374 size
= get_absolute_expression ();
6378 S_SET_VALUE (symbol
, size
);
6379 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6380 S_SET_EXTERNAL (symbol
);
6382 /* colon() has already set the frag to the current location in the
6383 current subspace; we need to reset the fragment to the zero address
6384 fragment. We also need to reset the segment pointer. */
6385 symbol_set_frag (symbol
, &zero_address_frag
);
6387 demand_empty_rest_of_line ();
6389 #endif /* !(defined (OBJ_ELF) && defined (TE_LINUX)) */
6391 /* Process a .END pseudo-op. */
6395 int unused ATTRIBUTE_UNUSED
;
6397 demand_empty_rest_of_line ();
6400 /* Process a .ENTER pseudo-op. This is not supported. */
6403 int unused ATTRIBUTE_UNUSED
;
6406 /* We must have a valid space and subspace. */
6407 pa_check_current_space_and_subspace ();
6410 as_bad (_("The .ENTER pseudo-op is not supported"));
6411 demand_empty_rest_of_line ();
6414 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6418 int unused ATTRIBUTE_UNUSED
;
6421 /* We must have a valid space and subspace. */
6422 pa_check_current_space_and_subspace ();
6425 if (!within_procedure
)
6426 as_bad (_("Misplaced .entry. Ignored."));
6429 if (!callinfo_found
)
6430 as_bad (_("Missing .callinfo."));
6432 demand_empty_rest_of_line ();
6433 within_entry_exit
= TRUE
;
6436 /* SOM defers building of unwind descriptors until the link phase.
6437 The assembler is responsible for creating an R_ENTRY relocation
6438 to mark the beginning of a region and hold the unwind bits, and
6439 for creating an R_EXIT relocation to mark the end of the region.
6441 FIXME. ELF should be using the same conventions! The problem
6442 is an unwind requires too much relocation space. Hmmm. Maybe
6443 if we split the unwind bits up between the relocations which
6444 denote the entry and exit points. */
6445 if (last_call_info
->start_symbol
!= NULL
)
6450 where
= frag_more (0);
6451 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6452 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6453 NULL
, (offsetT
) 0, NULL
,
6454 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6459 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6460 being able to subtract two register symbols that specify a range of
6461 registers, to get the size of the range. */
6462 static int fudge_reg_expressions
;
6465 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6466 expressionS
*resultP
;
6467 operatorT op ATTRIBUTE_UNUSED
;
6468 expressionS
*rightP
;
6470 if (fudge_reg_expressions
6471 && rightP
->X_op
== O_register
6472 && resultP
->X_op
== O_register
)
6474 rightP
->X_op
= O_constant
;
6475 resultP
->X_op
= O_constant
;
6477 return 0; /* Continue normal expr handling. */
6480 /* Handle a .EQU pseudo-op. */
6486 label_symbol_struct
*label_symbol
= pa_get_label ();
6491 symbol
= label_symbol
->lss_label
;
6495 if (!pa_parse_number (&input_line_pointer
, 0))
6496 as_bad (_(".REG expression must be a register"));
6497 S_SET_VALUE (symbol
, pa_number
);
6498 S_SET_SEGMENT (symbol
, reg_section
);
6505 fudge_reg_expressions
= 1;
6506 seg
= expression (&exp
);
6507 fudge_reg_expressions
= 0;
6508 if (exp
.X_op
!= O_constant
6509 && exp
.X_op
!= O_register
)
6511 if (exp
.X_op
!= O_absent
)
6512 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6513 exp
.X_add_number
= 0;
6514 seg
= absolute_section
;
6516 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6517 S_SET_SEGMENT (symbol
, seg
);
6523 as_bad (_(".REG must use a label"));
6525 as_bad (_(".EQU must use a label"));
6528 pa_undefine_label ();
6529 demand_empty_rest_of_line ();
6532 /* Helper function. Does processing for the end of a function. This
6533 usually involves creating some relocations or building special
6534 symbols to mark the end of the function. */
6541 where
= frag_more (0);
6544 /* Mark the end of the function, stuff away the location of the frag
6545 for the end of the function, and finally call pa_build_unwind_subspace
6546 to add an entry in the unwind table. */
6547 hppa_elf_mark_end_of_function ();
6548 pa_build_unwind_subspace (last_call_info
);
6550 /* SOM defers building of unwind descriptors until the link phase.
6551 The assembler is responsible for creating an R_ENTRY relocation
6552 to mark the beginning of a region and hold the unwind bits, and
6553 for creating an R_EXIT relocation to mark the end of the region.
6555 FIXME. ELF should be using the same conventions! The problem
6556 is an unwind requires too much relocation space. Hmmm. Maybe
6557 if we split the unwind bits up between the relocations which
6558 denote the entry and exit points. */
6559 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6561 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6562 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6566 /* Process a .EXIT pseudo-op. */
6570 int unused ATTRIBUTE_UNUSED
;
6573 /* We must have a valid space and subspace. */
6574 pa_check_current_space_and_subspace ();
6577 if (!within_procedure
)
6578 as_bad (_(".EXIT must appear within a procedure"));
6581 if (!callinfo_found
)
6582 as_bad (_("Missing .callinfo"));
6585 if (!within_entry_exit
)
6586 as_bad (_("No .ENTRY for this .EXIT"));
6589 within_entry_exit
= FALSE
;
6594 demand_empty_rest_of_line ();
6597 /* Process a .EXPORT directive. This makes functions external
6598 and provides information such as argument relocation entries
6603 int unused ATTRIBUTE_UNUSED
;
6608 name
= input_line_pointer
;
6609 c
= get_symbol_end ();
6610 /* Make sure the given symbol exists. */
6611 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6613 as_bad (_("Cannot define export symbol: %s\n"), name
);
6614 p
= input_line_pointer
;
6616 input_line_pointer
++;
6620 /* OK. Set the external bits and process argument relocations.
6621 For the HP, weak and global are not mutually exclusive.
6622 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6623 Call S_SET_EXTERNAL to get the other processing. Manually
6624 set BSF_GLOBAL when we get back. */
6625 S_SET_EXTERNAL (symbol
);
6626 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6627 p
= input_line_pointer
;
6629 if (!is_end_of_statement ())
6631 input_line_pointer
++;
6632 pa_type_args (symbol
, 1);
6636 demand_empty_rest_of_line ();
6639 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6642 pa_type_args (symbolP
, is_export
)
6647 unsigned int temp
, arg_reloc
;
6648 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6649 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6651 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6654 input_line_pointer
+= 8;
6655 bfdsym
->flags
&= ~BSF_FUNCTION
;
6656 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6657 type
= SYMBOL_TYPE_ABSOLUTE
;
6659 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6661 input_line_pointer
+= 4;
6662 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6663 instead one should be IMPORTing/EXPORTing ENTRY types.
6665 Complain if one tries to EXPORT a CODE type since that's never
6666 done. Both GCC and HP C still try to IMPORT CODE types, so
6667 silently fix them to be ENTRY types. */
6668 if (S_IS_FUNCTION (symbolP
))
6671 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6672 S_GET_NAME (symbolP
));
6674 bfdsym
->flags
|= BSF_FUNCTION
;
6675 type
= SYMBOL_TYPE_ENTRY
;
6679 bfdsym
->flags
&= ~BSF_FUNCTION
;
6680 type
= SYMBOL_TYPE_CODE
;
6683 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6685 input_line_pointer
+= 4;
6686 bfdsym
->flags
&= ~BSF_FUNCTION
;
6687 bfdsym
->flags
|= BSF_OBJECT
;
6688 type
= SYMBOL_TYPE_DATA
;
6690 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6692 input_line_pointer
+= 5;
6693 bfdsym
->flags
|= BSF_FUNCTION
;
6694 type
= SYMBOL_TYPE_ENTRY
;
6696 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6698 input_line_pointer
+= 9;
6699 bfdsym
->flags
|= BSF_FUNCTION
;
6702 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6703 elfsym
->internal_elf_sym
.st_info
=
6704 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6708 type
= SYMBOL_TYPE_MILLICODE
;
6710 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6712 input_line_pointer
+= 6;
6713 bfdsym
->flags
&= ~BSF_FUNCTION
;
6714 type
= SYMBOL_TYPE_PLABEL
;
6716 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6718 input_line_pointer
+= 8;
6719 bfdsym
->flags
|= BSF_FUNCTION
;
6720 type
= SYMBOL_TYPE_PRI_PROG
;
6722 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6724 input_line_pointer
+= 8;
6725 bfdsym
->flags
|= BSF_FUNCTION
;
6726 type
= SYMBOL_TYPE_SEC_PROG
;
6729 /* SOM requires much more information about symbol types
6730 than BFD understands. This is how we get this information
6731 to the SOM BFD backend. */
6732 #ifdef obj_set_symbol_type
6733 obj_set_symbol_type (bfdsym
, (int) type
);
6736 /* Now that the type of the exported symbol has been handled,
6737 handle any argument relocation information. */
6738 while (!is_end_of_statement ())
6740 if (*input_line_pointer
== ',')
6741 input_line_pointer
++;
6742 name
= input_line_pointer
;
6743 c
= get_symbol_end ();
6744 /* Argument sources. */
6745 if ((strncasecmp (name
, "argw", 4) == 0))
6747 p
= input_line_pointer
;
6749 input_line_pointer
++;
6750 temp
= atoi (name
+ 4);
6751 name
= input_line_pointer
;
6752 c
= get_symbol_end ();
6753 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6754 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6755 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6757 *input_line_pointer
= c
;
6759 /* The return value. */
6760 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6762 p
= input_line_pointer
;
6764 input_line_pointer
++;
6765 name
= input_line_pointer
;
6766 c
= get_symbol_end ();
6767 arg_reloc
= pa_build_arg_reloc (name
);
6768 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6769 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6771 *input_line_pointer
= c
;
6773 /* Privelege level. */
6774 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6776 p
= input_line_pointer
;
6778 input_line_pointer
++;
6779 temp
= atoi (input_line_pointer
);
6781 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6783 c
= get_symbol_end ();
6784 *input_line_pointer
= c
;
6788 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6789 p
= input_line_pointer
;
6792 if (!is_end_of_statement ())
6793 input_line_pointer
++;
6797 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6798 assembly file must either be defined in the assembly file, or
6799 explicitly IMPORTED from another. */
6803 int unused ATTRIBUTE_UNUSED
;
6808 name
= input_line_pointer
;
6809 c
= get_symbol_end ();
6811 symbol
= symbol_find (name
);
6812 /* Ugh. We might be importing a symbol defined earlier in the file,
6813 in which case all the code below will really screw things up
6814 (set the wrong segment, symbol flags & type, etc). */
6815 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6817 symbol
= symbol_find_or_make (name
);
6818 p
= input_line_pointer
;
6821 if (!is_end_of_statement ())
6823 input_line_pointer
++;
6824 pa_type_args (symbol
, 0);
6828 /* Sigh. To be compatable with the HP assembler and to help
6829 poorly written assembly code, we assign a type based on
6830 the current segment. Note only BSF_FUNCTION really
6831 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6832 if (now_seg
== text_section
)
6833 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6835 /* If the section is undefined, then the symbol is undefined
6836 Since this is an import, leave the section undefined. */
6837 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6842 /* The symbol was already defined. Just eat everything up to
6843 the end of the current statement. */
6844 while (!is_end_of_statement ())
6845 input_line_pointer
++;
6848 demand_empty_rest_of_line ();
6851 /* Handle a .LABEL pseudo-op. */
6855 int unused ATTRIBUTE_UNUSED
;
6859 name
= input_line_pointer
;
6860 c
= get_symbol_end ();
6862 if (strlen (name
) > 0)
6865 p
= input_line_pointer
;
6870 as_warn (_("Missing label name on .LABEL"));
6873 if (!is_end_of_statement ())
6875 as_warn (_("extra .LABEL arguments ignored."));
6876 ignore_rest_of_line ();
6878 demand_empty_rest_of_line ();
6881 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6885 int unused ATTRIBUTE_UNUSED
;
6888 /* We must have a valid space and subspace. */
6889 pa_check_current_space_and_subspace ();
6892 as_bad (_("The .LEAVE pseudo-op is not supported"));
6893 demand_empty_rest_of_line ();
6896 /* Handle a .LEVEL pseudo-op. */
6900 int unused ATTRIBUTE_UNUSED
;
6904 level
= input_line_pointer
;
6905 if (strncmp (level
, "1.0", 3) == 0)
6907 input_line_pointer
+= 3;
6908 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6909 as_warn (_("could not set architecture and machine"));
6911 else if (strncmp (level
, "1.1", 3) == 0)
6913 input_line_pointer
+= 3;
6914 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6915 as_warn (_("could not set architecture and machine"));
6917 else if (strncmp (level
, "2.0w", 4) == 0)
6919 input_line_pointer
+= 4;
6920 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6921 as_warn (_("could not set architecture and machine"));
6923 else if (strncmp (level
, "2.0", 3) == 0)
6925 input_line_pointer
+= 3;
6926 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6927 as_warn (_("could not set architecture and machine"));
6931 as_bad (_("Unrecognized .LEVEL argument\n"));
6932 ignore_rest_of_line ();
6934 demand_empty_rest_of_line ();
6937 /* Handle a .ORIGIN pseudo-op. */
6941 int unused ATTRIBUTE_UNUSED
;
6944 /* We must have a valid space and subspace. */
6945 pa_check_current_space_and_subspace ();
6949 pa_undefine_label ();
6952 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6953 is for static functions. FIXME. Should share more code with .EXPORT. */
6957 int unused ATTRIBUTE_UNUSED
;
6962 name
= input_line_pointer
;
6963 c
= get_symbol_end ();
6965 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6967 as_bad (_("Cannot define static symbol: %s\n"), name
);
6968 p
= input_line_pointer
;
6970 input_line_pointer
++;
6974 S_CLEAR_EXTERNAL (symbol
);
6975 p
= input_line_pointer
;
6977 if (!is_end_of_statement ())
6979 input_line_pointer
++;
6980 pa_type_args (symbol
, 0);
6984 demand_empty_rest_of_line ();
6987 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6988 of a procedure from a syntactical point of view. */
6992 int unused ATTRIBUTE_UNUSED
;
6994 struct call_info
*call_info
;
6997 /* We must have a valid space and subspace. */
6998 pa_check_current_space_and_subspace ();
7001 if (within_procedure
)
7002 as_fatal (_("Nested procedures"));
7004 /* Reset global variables for new procedure. */
7005 callinfo_found
= FALSE
;
7006 within_procedure
= TRUE
;
7008 /* Create another call_info structure. */
7009 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7012 as_fatal (_("Cannot allocate unwind descriptor\n"));
7014 memset (call_info
, 0, sizeof (struct call_info
));
7016 call_info
->ci_next
= NULL
;
7018 if (call_info_root
== NULL
)
7020 call_info_root
= call_info
;
7021 last_call_info
= call_info
;
7025 last_call_info
->ci_next
= call_info
;
7026 last_call_info
= call_info
;
7029 /* set up defaults on call_info structure */
7031 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7032 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7033 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7035 /* If we got a .PROC pseudo-op, we know that the function is defined
7036 locally. Make sure it gets into the symbol table. */
7038 label_symbol_struct
*label_symbol
= pa_get_label ();
7042 if (label_symbol
->lss_label
)
7044 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7045 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7048 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7051 last_call_info
->start_symbol
= NULL
;
7054 demand_empty_rest_of_line ();
7057 /* Process the syntatical end of a procedure. Make sure all the
7058 appropriate pseudo-ops were found within the procedure. */
7062 int unused ATTRIBUTE_UNUSED
;
7066 /* We must have a valid space and subspace. */
7067 pa_check_current_space_and_subspace ();
7070 /* If we are within a procedure definition, make sure we've
7071 defined a label for the procedure; handle case where the
7072 label was defined after the .PROC directive.
7074 Note there's not need to diddle with the segment or fragment
7075 for the label symbol in this case. We have already switched
7076 into the new $CODE$ subspace at this point. */
7077 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7079 label_symbol_struct
*label_symbol
= pa_get_label ();
7083 if (label_symbol
->lss_label
)
7085 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7086 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7089 /* Also handle allocation of a fixup to hold the unwind
7090 information when the label appears after the proc/procend. */
7091 if (within_entry_exit
)
7096 where
= frag_more (0);
7097 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7098 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7099 NULL
, (offsetT
) 0, NULL
,
7100 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7105 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7108 as_bad (_("Missing function name for .PROC"));
7111 if (!within_procedure
)
7112 as_bad (_("misplaced .procend"));
7114 if (!callinfo_found
)
7115 as_bad (_("Missing .callinfo for this procedure"));
7117 if (within_entry_exit
)
7118 as_bad (_("Missing .EXIT for a .ENTRY"));
7121 /* ELF needs to mark the end of each function so that it can compute
7122 the size of the function (apparently its needed in the symbol table). */
7123 hppa_elf_mark_end_of_function ();
7126 within_procedure
= FALSE
;
7127 demand_empty_rest_of_line ();
7128 pa_undefine_label ();
7132 /* If VALUE is an exact power of two between zero and 2^31, then
7133 return log2 (VALUE). Else return -1. */
7141 while ((1 << shift
) != value
&& shift
< 32)
7150 /* Check to make sure we have a valid space and subspace. */
7153 pa_check_current_space_and_subspace ()
7155 if (current_space
== NULL
)
7156 as_fatal (_("Not in a space.\n"));
7158 if (current_subspace
== NULL
)
7159 as_fatal (_("Not in a subspace.\n"));
7162 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7163 then create a new space entry to hold the information specified
7164 by the parameters to the .SPACE directive. */
7166 static sd_chain_struct
*
7167 pa_parse_space_stmt (space_name
, create_flag
)
7171 char *name
, *ptemp
, c
;
7172 char loadable
, defined
, private, sort
;
7174 asection
*seg
= NULL
;
7175 sd_chain_struct
*space
;
7177 /* load default values */
7183 if (strcmp (space_name
, "$TEXT$") == 0)
7185 seg
= pa_def_spaces
[0].segment
;
7186 defined
= pa_def_spaces
[0].defined
;
7187 private = pa_def_spaces
[0].private;
7188 sort
= pa_def_spaces
[0].sort
;
7189 spnum
= pa_def_spaces
[0].spnum
;
7191 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7193 seg
= pa_def_spaces
[1].segment
;
7194 defined
= pa_def_spaces
[1].defined
;
7195 private = pa_def_spaces
[1].private;
7196 sort
= pa_def_spaces
[1].sort
;
7197 spnum
= pa_def_spaces
[1].spnum
;
7200 if (!is_end_of_statement ())
7202 print_errors
= FALSE
;
7203 ptemp
= input_line_pointer
+ 1;
7204 /* First see if the space was specified as a number rather than
7205 as a name. According to the PA assembly manual the rest of
7206 the line should be ignored. */
7208 pa_parse_number (&ptemp
, 0);
7212 input_line_pointer
= ptemp
;
7216 while (!is_end_of_statement ())
7218 input_line_pointer
++;
7219 name
= input_line_pointer
;
7220 c
= get_symbol_end ();
7221 if ((strncasecmp (name
, "spnum", 5) == 0))
7223 *input_line_pointer
= c
;
7224 input_line_pointer
++;
7225 spnum
= get_absolute_expression ();
7227 else if ((strncasecmp (name
, "sort", 4) == 0))
7229 *input_line_pointer
= c
;
7230 input_line_pointer
++;
7231 sort
= get_absolute_expression ();
7233 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7235 *input_line_pointer
= c
;
7238 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7240 *input_line_pointer
= c
;
7243 else if ((strncasecmp (name
, "private", 7) == 0))
7245 *input_line_pointer
= c
;
7250 as_bad (_("Invalid .SPACE argument"));
7251 *input_line_pointer
= c
;
7252 if (!is_end_of_statement ())
7253 input_line_pointer
++;
7257 print_errors
= TRUE
;
7260 if (create_flag
&& seg
== NULL
)
7261 seg
= subseg_new (space_name
, 0);
7263 /* If create_flag is nonzero, then create the new space with
7264 the attributes computed above. Else set the values in
7265 an already existing space -- this can only happen for
7266 the first occurence of a built-in space. */
7268 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7269 private, sort
, seg
, 1);
7272 space
= is_defined_space (space_name
);
7273 SPACE_SPNUM (space
) = spnum
;
7274 SPACE_DEFINED (space
) = defined
& 1;
7275 SPACE_USER_DEFINED (space
) = 1;
7278 #ifdef obj_set_section_attributes
7279 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7285 /* Handle a .SPACE pseudo-op; this switches the current space to the
7286 given space, creating the new space if necessary. */
7290 int unused ATTRIBUTE_UNUSED
;
7292 char *name
, c
, *space_name
, *save_s
;
7293 sd_chain_struct
*sd_chain
;
7295 if (within_procedure
)
7297 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7298 ignore_rest_of_line ();
7302 /* Check for some of the predefined spaces. FIXME: most of the code
7303 below is repeated several times, can we extract the common parts
7304 and place them into a subroutine or something similar? */
7305 /* FIXME Is this (and the next IF stmt) really right?
7306 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7307 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7309 input_line_pointer
+= 6;
7310 sd_chain
= is_defined_space ("$TEXT$");
7311 if (sd_chain
== NULL
)
7312 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7313 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7314 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7316 current_space
= sd_chain
;
7317 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7319 = pa_subsegment_to_subspace (text_section
,
7320 sd_chain
->sd_last_subseg
);
7321 demand_empty_rest_of_line ();
7324 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7326 input_line_pointer
+= 9;
7327 sd_chain
= is_defined_space ("$PRIVATE$");
7328 if (sd_chain
== NULL
)
7329 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7330 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7331 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7333 current_space
= sd_chain
;
7334 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7336 = pa_subsegment_to_subspace (data_section
,
7337 sd_chain
->sd_last_subseg
);
7338 demand_empty_rest_of_line ();
7341 if (!strncasecmp (input_line_pointer
,
7342 GDB_DEBUG_SPACE_NAME
,
7343 strlen (GDB_DEBUG_SPACE_NAME
)))
7345 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7346 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7347 if (sd_chain
== NULL
)
7348 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7349 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7350 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7352 current_space
= sd_chain
;
7355 asection
*gdb_section
7356 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7358 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7360 = pa_subsegment_to_subspace (gdb_section
,
7361 sd_chain
->sd_last_subseg
);
7363 demand_empty_rest_of_line ();
7367 /* It could be a space specified by number. */
7369 save_s
= input_line_pointer
;
7371 pa_parse_number (&input_line_pointer
, 0);
7374 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7376 current_space
= sd_chain
;
7378 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7380 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7381 sd_chain
->sd_last_subseg
);
7382 demand_empty_rest_of_line ();
7387 /* Not a number, attempt to create a new space. */
7389 input_line_pointer
= save_s
;
7390 name
= input_line_pointer
;
7391 c
= get_symbol_end ();
7392 space_name
= xmalloc (strlen (name
) + 1);
7393 strcpy (space_name
, name
);
7394 *input_line_pointer
= c
;
7396 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7397 current_space
= sd_chain
;
7399 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7400 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7401 sd_chain
->sd_last_subseg
);
7402 demand_empty_rest_of_line ();
7406 /* Switch to a new space. (I think). FIXME. */
7410 int unused ATTRIBUTE_UNUSED
;
7415 sd_chain_struct
*space
;
7417 name
= input_line_pointer
;
7418 c
= get_symbol_end ();
7419 space
= is_defined_space (name
);
7423 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7426 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7428 *input_line_pointer
= c
;
7429 demand_empty_rest_of_line ();
7432 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7433 given subspace, creating the new subspace if necessary.
7435 FIXME. Should mirror pa_space more closely, in particular how
7436 they're broken up into subroutines. */
7439 pa_subspace (create_new
)
7442 char *name
, *ss_name
, c
;
7443 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
7444 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7445 sd_chain_struct
*space
;
7446 ssd_chain_struct
*ssd
;
7449 if (current_space
== NULL
)
7450 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7452 if (within_procedure
)
7454 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7455 ignore_rest_of_line ();
7459 name
= input_line_pointer
;
7460 c
= get_symbol_end ();
7461 ss_name
= xmalloc (strlen (name
) + 1);
7462 strcpy (ss_name
, name
);
7463 *input_line_pointer
= c
;
7465 /* Load default values. */
7477 space
= current_space
;
7481 ssd
= is_defined_subspace (ss_name
);
7482 /* Allow user to override the builtin attributes of subspaces. But
7483 only allow the attributes to be changed once! */
7484 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7486 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7487 current_subspace
= ssd
;
7488 if (!is_end_of_statement ())
7489 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7490 demand_empty_rest_of_line ();
7495 /* A new subspace. Load default values if it matches one of
7496 the builtin subspaces. */
7498 while (pa_def_subspaces
[i
].name
)
7500 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7502 loadable
= pa_def_subspaces
[i
].loadable
;
7503 common
= pa_def_subspaces
[i
].common
;
7504 dup_common
= pa_def_subspaces
[i
].dup_common
;
7505 code_only
= pa_def_subspaces
[i
].code_only
;
7506 zero
= pa_def_subspaces
[i
].zero
;
7507 space_index
= pa_def_subspaces
[i
].space_index
;
7508 alignment
= pa_def_subspaces
[i
].alignment
;
7509 quadrant
= pa_def_subspaces
[i
].quadrant
;
7510 access
= pa_def_subspaces
[i
].access
;
7511 sort
= pa_def_subspaces
[i
].sort
;
7518 /* We should be working with a new subspace now. Fill in
7519 any information as specified by the user. */
7520 if (!is_end_of_statement ())
7522 input_line_pointer
++;
7523 while (!is_end_of_statement ())
7525 name
= input_line_pointer
;
7526 c
= get_symbol_end ();
7527 if ((strncasecmp (name
, "quad", 4) == 0))
7529 *input_line_pointer
= c
;
7530 input_line_pointer
++;
7531 quadrant
= get_absolute_expression ();
7533 else if ((strncasecmp (name
, "align", 5) == 0))
7535 *input_line_pointer
= c
;
7536 input_line_pointer
++;
7537 alignment
= get_absolute_expression ();
7538 if (log2 (alignment
) == -1)
7540 as_bad (_("Alignment must be a power of 2"));
7544 else if ((strncasecmp (name
, "access", 6) == 0))
7546 *input_line_pointer
= c
;
7547 input_line_pointer
++;
7548 access
= get_absolute_expression ();
7550 else if ((strncasecmp (name
, "sort", 4) == 0))
7552 *input_line_pointer
= c
;
7553 input_line_pointer
++;
7554 sort
= get_absolute_expression ();
7556 else if ((strncasecmp (name
, "code_only", 9) == 0))
7558 *input_line_pointer
= c
;
7561 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7563 *input_line_pointer
= c
;
7566 else if ((strncasecmp (name
, "common", 6) == 0))
7568 *input_line_pointer
= c
;
7571 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7573 *input_line_pointer
= c
;
7576 else if ((strncasecmp (name
, "zero", 4) == 0))
7578 *input_line_pointer
= c
;
7581 else if ((strncasecmp (name
, "first", 5) == 0))
7582 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7584 as_bad (_("Invalid .SUBSPACE argument"));
7585 if (!is_end_of_statement ())
7586 input_line_pointer
++;
7590 /* Compute a reasonable set of BFD flags based on the information
7591 in the .subspace directive. */
7592 applicable
= bfd_applicable_section_flags (stdoutput
);
7595 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7598 if (common
|| dup_common
)
7599 flags
|= SEC_IS_COMMON
;
7601 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7603 /* This is a zero-filled subspace (eg BSS). */
7605 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7607 applicable
&= flags
;
7609 /* If this is an existing subspace, then we want to use the
7610 segment already associated with the subspace.
7612 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7613 lots of sections. It might be a problem in the PA ELF
7614 code, I do not know yet. For now avoid creating anything
7615 but the "standard" sections for ELF. */
7617 section
= subseg_force_new (ss_name
, 0);
7619 section
= ssd
->ssd_seg
;
7621 section
= subseg_new (ss_name
, 0);
7624 seg_info (section
)->bss
= 1;
7626 /* Now set the flags. */
7627 bfd_set_section_flags (stdoutput
, section
, applicable
);
7629 /* Record any alignment request for this section. */
7630 record_alignment (section
, log2 (alignment
));
7632 /* Set the starting offset for this section. */
7633 bfd_set_section_vma (stdoutput
, section
,
7634 pa_subspace_start (space
, quadrant
));
7636 /* Now that all the flags are set, update an existing subspace,
7637 or create a new one. */
7640 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7641 code_only
, common
, dup_common
,
7642 sort
, zero
, access
, space_index
,
7643 alignment
, quadrant
,
7646 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7648 dup_common
, zero
, sort
,
7649 access
, space_index
,
7650 alignment
, quadrant
, section
);
7652 demand_empty_rest_of_line ();
7653 current_subspace
->ssd_seg
= section
;
7654 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7656 SUBSPACE_DEFINED (current_subspace
) = 1;
7659 /* Create default space and subspace dictionaries. */
7666 space_dict_root
= NULL
;
7667 space_dict_last
= NULL
;
7670 while (pa_def_spaces
[i
].name
)
7674 /* Pick the right name to use for the new section. */
7675 name
= pa_def_spaces
[i
].name
;
7677 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7678 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7679 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7680 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7681 pa_def_spaces
[i
].segment
, 0);
7686 while (pa_def_subspaces
[i
].name
)
7689 int applicable
, subsegment
;
7690 asection
*segment
= NULL
;
7691 sd_chain_struct
*space
;
7693 /* Pick the right name for the new section and pick the right
7694 subsegment number. */
7695 name
= pa_def_subspaces
[i
].name
;
7698 /* Create the new section. */
7699 segment
= subseg_new (name
, subsegment
);
7701 /* For SOM we want to replace the standard .text, .data, and .bss
7702 sections with our own. We also want to set BFD flags for
7703 all the built-in subspaces. */
7704 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7706 text_section
= segment
;
7707 applicable
= bfd_applicable_section_flags (stdoutput
);
7708 bfd_set_section_flags (stdoutput
, segment
,
7709 applicable
& (SEC_ALLOC
| SEC_LOAD
7710 | SEC_RELOC
| SEC_CODE
7712 | SEC_HAS_CONTENTS
));
7714 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7716 data_section
= segment
;
7717 applicable
= bfd_applicable_section_flags (stdoutput
);
7718 bfd_set_section_flags (stdoutput
, segment
,
7719 applicable
& (SEC_ALLOC
| SEC_LOAD
7721 | SEC_HAS_CONTENTS
));
7724 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7726 bss_section
= segment
;
7727 applicable
= bfd_applicable_section_flags (stdoutput
);
7728 bfd_set_section_flags (stdoutput
, segment
,
7729 applicable
& SEC_ALLOC
);
7731 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7733 applicable
= bfd_applicable_section_flags (stdoutput
);
7734 bfd_set_section_flags (stdoutput
, segment
,
7735 applicable
& (SEC_ALLOC
| SEC_LOAD
7738 | SEC_HAS_CONTENTS
));
7740 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7742 applicable
= bfd_applicable_section_flags (stdoutput
);
7743 bfd_set_section_flags (stdoutput
, segment
,
7744 applicable
& (SEC_ALLOC
| SEC_LOAD
7747 | SEC_HAS_CONTENTS
));
7749 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7751 applicable
= bfd_applicable_section_flags (stdoutput
);
7752 bfd_set_section_flags (stdoutput
, segment
,
7753 applicable
& (SEC_ALLOC
| SEC_LOAD
7756 | SEC_HAS_CONTENTS
));
7759 /* Find the space associated with this subspace. */
7760 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7761 def_space_index
].segment
);
7764 as_fatal (_("Internal error: Unable to find containing space for %s."),
7765 pa_def_subspaces
[i
].name
);
7768 create_new_subspace (space
, name
,
7769 pa_def_subspaces
[i
].loadable
,
7770 pa_def_subspaces
[i
].code_only
,
7771 pa_def_subspaces
[i
].common
,
7772 pa_def_subspaces
[i
].dup_common
,
7773 pa_def_subspaces
[i
].zero
,
7774 pa_def_subspaces
[i
].sort
,
7775 pa_def_subspaces
[i
].access
,
7776 pa_def_subspaces
[i
].space_index
,
7777 pa_def_subspaces
[i
].alignment
,
7778 pa_def_subspaces
[i
].quadrant
,
7784 /* Create a new space NAME, with the appropriate flags as defined
7785 by the given parameters. */
7787 static sd_chain_struct
*
7788 create_new_space (name
, spnum
, loadable
, defined
, private,
7789 sort
, seg
, user_defined
)
7799 sd_chain_struct
*chain_entry
;
7801 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7803 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7806 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7807 strcpy (SPACE_NAME (chain_entry
), name
);
7808 SPACE_DEFINED (chain_entry
) = defined
;
7809 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7810 SPACE_SPNUM (chain_entry
) = spnum
;
7812 chain_entry
->sd_seg
= seg
;
7813 chain_entry
->sd_last_subseg
= -1;
7814 chain_entry
->sd_subspaces
= NULL
;
7815 chain_entry
->sd_next
= NULL
;
7817 /* Find spot for the new space based on its sort key. */
7818 if (!space_dict_last
)
7819 space_dict_last
= chain_entry
;
7821 if (space_dict_root
== NULL
)
7822 space_dict_root
= chain_entry
;
7825 sd_chain_struct
*chain_pointer
;
7826 sd_chain_struct
*prev_chain_pointer
;
7828 chain_pointer
= space_dict_root
;
7829 prev_chain_pointer
= NULL
;
7831 while (chain_pointer
)
7833 prev_chain_pointer
= chain_pointer
;
7834 chain_pointer
= chain_pointer
->sd_next
;
7837 /* At this point we've found the correct place to add the new
7838 entry. So add it and update the linked lists as appropriate. */
7839 if (prev_chain_pointer
)
7841 chain_entry
->sd_next
= chain_pointer
;
7842 prev_chain_pointer
->sd_next
= chain_entry
;
7846 space_dict_root
= chain_entry
;
7847 chain_entry
->sd_next
= chain_pointer
;
7850 if (chain_entry
->sd_next
== NULL
)
7851 space_dict_last
= chain_entry
;
7854 /* This is here to catch predefined spaces which do not get
7855 modified by the user's input. Another call is found at
7856 the bottom of pa_parse_space_stmt to handle cases where
7857 the user modifies a predefined space. */
7858 #ifdef obj_set_section_attributes
7859 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7865 /* Create a new subspace NAME, with the appropriate flags as defined
7866 by the given parameters.
7868 Add the new subspace to the subspace dictionary chain in numerical
7869 order as defined by the SORT entries. */
7871 static ssd_chain_struct
*
7872 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7873 dup_common
, is_zero
, sort
, access
, space_index
,
7874 alignment
, quadrant
, seg
)
7875 sd_chain_struct
*space
;
7877 int loadable
, code_only
, common
, dup_common
, is_zero
;
7885 ssd_chain_struct
*chain_entry
;
7887 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7889 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7891 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7892 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7894 /* Initialize subspace_defined. When we hit a .subspace directive
7895 we'll set it to 1 which "locks-in" the subspace attributes. */
7896 SUBSPACE_DEFINED (chain_entry
) = 0;
7898 chain_entry
->ssd_subseg
= 0;
7899 chain_entry
->ssd_seg
= seg
;
7900 chain_entry
->ssd_next
= NULL
;
7902 /* Find spot for the new subspace based on its sort key. */
7903 if (space
->sd_subspaces
== NULL
)
7904 space
->sd_subspaces
= chain_entry
;
7907 ssd_chain_struct
*chain_pointer
;
7908 ssd_chain_struct
*prev_chain_pointer
;
7910 chain_pointer
= space
->sd_subspaces
;
7911 prev_chain_pointer
= NULL
;
7913 while (chain_pointer
)
7915 prev_chain_pointer
= chain_pointer
;
7916 chain_pointer
= chain_pointer
->ssd_next
;
7919 /* Now we have somewhere to put the new entry. Insert it and update
7921 if (prev_chain_pointer
)
7923 chain_entry
->ssd_next
= chain_pointer
;
7924 prev_chain_pointer
->ssd_next
= chain_entry
;
7928 space
->sd_subspaces
= chain_entry
;
7929 chain_entry
->ssd_next
= chain_pointer
;
7933 #ifdef obj_set_subsection_attributes
7934 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7941 /* Update the information for the given subspace based upon the
7942 various arguments. Return the modified subspace chain entry. */
7944 static ssd_chain_struct
*
7945 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7946 zero
, access
, space_index
, alignment
, quadrant
, section
)
7947 sd_chain_struct
*space
;
7961 ssd_chain_struct
*chain_entry
;
7963 chain_entry
= is_defined_subspace (name
);
7965 #ifdef obj_set_subsection_attributes
7966 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7973 /* Return the space chain entry for the space with the name NAME or
7974 NULL if no such space exists. */
7976 static sd_chain_struct
*
7977 is_defined_space (name
)
7980 sd_chain_struct
*chain_pointer
;
7982 for (chain_pointer
= space_dict_root
;
7984 chain_pointer
= chain_pointer
->sd_next
)
7986 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7987 return chain_pointer
;
7990 /* No mapping from segment to space was found. Return NULL. */
7994 /* Find and return the space associated with the given seg. If no mapping
7995 from the given seg to a space is found, then return NULL.
7997 Unlike subspaces, the number of spaces is not expected to grow much,
7998 so a linear exhaustive search is OK here. */
8000 static sd_chain_struct
*
8001 pa_segment_to_space (seg
)
8004 sd_chain_struct
*space_chain
;
8006 /* Walk through each space looking for the correct mapping. */
8007 for (space_chain
= space_dict_root
;
8009 space_chain
= space_chain
->sd_next
)
8011 if (space_chain
->sd_seg
== seg
)
8015 /* Mapping was not found. Return NULL. */
8019 /* Return the space chain entry for the subspace with the name NAME or
8020 NULL if no such subspace exists.
8022 Uses a linear search through all the spaces and subspaces, this may
8023 not be appropriate if we ever being placing each function in its
8026 static ssd_chain_struct
*
8027 is_defined_subspace (name
)
8030 sd_chain_struct
*space_chain
;
8031 ssd_chain_struct
*subspace_chain
;
8033 /* Walk through each space. */
8034 for (space_chain
= space_dict_root
;
8036 space_chain
= space_chain
->sd_next
)
8038 /* Walk through each subspace looking for a name which matches. */
8039 for (subspace_chain
= space_chain
->sd_subspaces
;
8041 subspace_chain
= subspace_chain
->ssd_next
)
8042 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8043 return subspace_chain
;
8046 /* Subspace wasn't found. Return NULL. */
8050 /* Find and return the subspace associated with the given seg. If no
8051 mapping from the given seg to a subspace is found, then return NULL.
8053 If we ever put each procedure/function within its own subspace
8054 (to make life easier on the compiler and linker), then this will have
8055 to become more efficient. */
8057 static ssd_chain_struct
*
8058 pa_subsegment_to_subspace (seg
, subseg
)
8062 sd_chain_struct
*space_chain
;
8063 ssd_chain_struct
*subspace_chain
;
8065 /* Walk through each space. */
8066 for (space_chain
= space_dict_root
;
8068 space_chain
= space_chain
->sd_next
)
8070 if (space_chain
->sd_seg
== seg
)
8072 /* Walk through each subspace within each space looking for
8073 the correct mapping. */
8074 for (subspace_chain
= space_chain
->sd_subspaces
;
8076 subspace_chain
= subspace_chain
->ssd_next
)
8077 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8078 return subspace_chain
;
8082 /* No mapping from subsegment to subspace found. Return NULL. */
8086 /* Given a number, try and find a space with the name number.
8088 Return a pointer to a space dictionary chain entry for the space
8089 that was found or NULL on failure. */
8091 static sd_chain_struct
*
8092 pa_find_space_by_number (number
)
8095 sd_chain_struct
*space_chain
;
8097 for (space_chain
= space_dict_root
;
8099 space_chain
= space_chain
->sd_next
)
8101 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8105 /* No appropriate space found. Return NULL. */
8109 /* Return the starting address for the given subspace. If the starting
8110 address is unknown then return zero. */
8113 pa_subspace_start (space
, quadrant
)
8114 sd_chain_struct
*space
;
8117 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8118 is not correct for the PA OSF1 port. */
8119 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8121 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8128 /* FIXME. Needs documentation. */
8130 pa_next_subseg (space
)
8131 sd_chain_struct
*space
;
8134 space
->sd_last_subseg
++;
8135 return space
->sd_last_subseg
;
8139 /* Helper function for pa_stringer. Used to find the end of
8146 unsigned int c
= *s
& CHAR_MASK
;
8159 /* Handle a .STRING type pseudo-op. */
8162 pa_stringer (append_zero
)
8165 char *s
, num_buf
[4];
8169 /* Preprocess the string to handle PA-specific escape sequences.
8170 For example, \xDD where DD is a hexadecimal number should be
8171 changed to \OOO where OOO is an octal number. */
8174 /* We must have a valid space and subspace. */
8175 pa_check_current_space_and_subspace ();
8178 /* Skip the opening quote. */
8179 s
= input_line_pointer
+ 1;
8181 while (is_a_char (c
= pa_stringer_aux (s
++)))
8188 /* Handle \x<num>. */
8191 unsigned int number
;
8196 /* Get past the 'x'. */
8198 for (num_digit
= 0, number
= 0, dg
= *s
;
8200 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8201 || (dg
>= 'A' && dg
<= 'F'));
8205 number
= number
* 16 + dg
- '0';
8206 else if (dg
>= 'a' && dg
<= 'f')
8207 number
= number
* 16 + dg
- 'a' + 10;
8209 number
= number
* 16 + dg
- 'A' + 10;
8219 sprintf (num_buf
, "%02o", number
);
8222 sprintf (num_buf
, "%03o", number
);
8225 for (i
= 0; i
<= num_digit
; i
++)
8226 s_start
[i
] = num_buf
[i
];
8230 /* This might be a "\"", skip over the escaped char. */
8237 stringer (append_zero
);
8238 pa_undefine_label ();
8241 /* Handle a .VERSION pseudo-op. */
8245 int unused ATTRIBUTE_UNUSED
;
8248 pa_undefine_label ();
8253 /* Handle a .COMPILER pseudo-op. */
8256 pa_compiler (unused
)
8257 int unused ATTRIBUTE_UNUSED
;
8259 obj_som_compiler (0);
8260 pa_undefine_label ();
8265 /* Handle a .COPYRIGHT pseudo-op. */
8268 pa_copyright (unused
)
8269 int unused ATTRIBUTE_UNUSED
;
8272 pa_undefine_label ();
8275 /* Just like a normal cons, but when finished we have to undefine
8276 the latest space label. */
8283 pa_undefine_label ();
8286 /* Like float_cons, but we need to undefine our label. */
8289 pa_float_cons (float_type
)
8292 float_cons (float_type
);
8293 pa_undefine_label ();
8296 /* Like s_fill, but delete our label when finished. */
8300 int unused ATTRIBUTE_UNUSED
;
8303 /* We must have a valid space and subspace. */
8304 pa_check_current_space_and_subspace ();
8308 pa_undefine_label ();
8311 /* Like lcomm, but delete our label when finished. */
8314 pa_lcomm (needs_align
)
8318 /* We must have a valid space and subspace. */
8319 pa_check_current_space_and_subspace ();
8322 s_lcomm (needs_align
);
8323 pa_undefine_label ();
8326 /* Like lsym, but delete our label when finished. */
8330 int unused ATTRIBUTE_UNUSED
;
8333 /* We must have a valid space and subspace. */
8334 pa_check_current_space_and_subspace ();
8338 pa_undefine_label ();
8341 /* On the PA relocations which involve function symbols must not be
8342 adjusted. This so that the linker can know when/how to create argument
8343 relocation stubs for indirect calls and calls to static functions.
8345 "T" field selectors create DLT relative fixups for accessing
8346 globals and statics in PIC code; each DLT relative fixup creates
8347 an entry in the DLT table. The entries contain the address of
8348 the final target (eg accessing "foo" would create a DLT entry
8349 with the address of "foo").
8351 Unfortunately, the HP linker doesn't take into account any addend
8352 when generating the DLT; so accessing $LIT$+8 puts the address of
8353 $LIT$ into the DLT rather than the address of $LIT$+8.
8355 The end result is we can't perform relocation symbol reductions for
8356 any fixup which creates entries in the DLT (eg they use "T" field
8359 Reject reductions involving symbols with external scope; such
8360 reductions make life a living hell for object file editors.
8362 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8363 the code space. The SOM BFD backend doesn't know how to pull the
8364 right bits out of an instruction. */
8367 hppa_fix_adjustable (fixp
)
8370 struct hppa_fix_struct
*hppa_fix
;
8372 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8375 /* Reject reductions of symbols in 32bit relocs. */
8376 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
8381 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8382 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8386 if (fixp
->fx_addsy
&& (S_IS_EXTERNAL (fixp
->fx_addsy
)
8387 || S_IS_WEAK (fixp
->fx_addsy
)))
8390 /* Reject reductions of symbols in sym1-sym2 expressions when
8391 the fixup will occur in a CODE subspace.
8393 XXX FIXME: Long term we probably want to reject all of these;
8394 for example reducing in the debug section would lose if we ever
8395 supported using the optimizing hp linker. */
8398 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8400 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
8401 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
8405 /* We can't adjust any relocs that use LR% and RR% field selectors.
8407 If a symbol is reduced to a section symbol, the assembler will
8408 adjust the addend unless the symbol happens to reside right at
8409 the start of the section. Additionally, the linker has no choice
8410 but to manipulate the addends when coalescing input sections for
8411 "ld -r". Since an LR% field selector is defined to round the
8412 addend, we can't change the addend without risking that a LR% and
8413 it's corresponding (possible multiple) RR% field will no longer
8414 sum to the right value.
8417 . ldil LR%foo+0,%r21
8418 . ldw RR%foo+0(%r21),%r26
8419 . ldw RR%foo+4(%r21),%r25
8421 If foo is at address 4092 (decimal) in section `sect', then after
8422 reducing to the section symbol we get
8423 . LR%sect+4092 == (L%sect)+0
8424 . RR%sect+4092 == (R%sect)+4092
8425 . RR%sect+4096 == (R%sect)-4096
8426 and the last address loses because rounding the addend to 8k
8427 mutiples takes us up to 8192 with an offset of -4096.
8429 In cases where the LR% expression is identical to the RR% one we
8430 will never have a problem, but is so happens that gcc rounds
8431 addends involved in LR% field selectors to work around a HP
8432 linker bug. ie. We often have addresses like the last case
8433 above where the LR% expression is offset from the RR% one. */
8435 if (hppa_fix
->fx_r_field
== e_lrsel
8436 || hppa_fix
->fx_r_field
== e_rrsel
8437 || hppa_fix
->fx_r_field
== e_nlrsel
)
8440 /* Reject reductions of symbols in DLT relative relocs,
8441 relocations with plabels. */
8442 if (hppa_fix
->fx_r_field
== e_tsel
8443 || hppa_fix
->fx_r_field
== e_ltsel
8444 || hppa_fix
->fx_r_field
== e_rtsel
8445 || hppa_fix
->fx_r_field
== e_psel
8446 || hppa_fix
->fx_r_field
== e_rpsel
8447 || hppa_fix
->fx_r_field
== e_lpsel
)
8450 /* Reject absolute calls (jumps). */
8451 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8454 /* Reject reductions of function symbols. */
8455 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8461 /* Return nonzero if the fixup in FIXP will require a relocation,
8462 even it if appears that the fixup could be completely handled
8466 hppa_force_relocation (fixp
)
8469 struct hppa_fix_struct
*hppa_fixp
;
8471 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8473 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8474 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8475 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8476 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8477 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8478 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8479 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8480 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8484 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8485 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8489 assert (fixp
->fx_addsy
!= NULL
);
8491 /* Ensure we emit a relocation for global symbols so that dynamic
8493 if (S_IS_EXTERNAL (fixp
->fx_addsy
) || S_IS_WEAK (fixp
->fx_addsy
))
8496 /* It is necessary to force PC-relative calls/jumps to have a relocation
8497 entry if they're going to need either an argument relocation or long
8500 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8501 hppa_fixp
->fx_arg_reloc
))
8504 /* Now check to see if we're going to need a long-branch stub. */
8505 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8509 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
8510 - md_pcrel_from (fixp
) - 8);
8511 if (distance
+ 8388608 >= 16777216
8512 || (hppa_fixp
->fx_r_format
== 17 && distance
+ 262144 >= 524288)
8514 || (hppa_fixp
->fx_r_format
== 12 && distance
+ 8192 >= 16384)
8520 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8523 /* No need (yet) to force another relocations to be emitted. */
8527 /* Now for some ELF specific code. FIXME. */
8529 /* Mark the end of a function so that it's possible to compute
8530 the size of the function in hppa_elf_final_processing. */
8533 hppa_elf_mark_end_of_function ()
8535 /* ELF does not have EXIT relocations. All we do is create a
8536 temporary symbol marking the end of the function. */
8539 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8541 /* We have already warned about a missing label,
8542 or other problems. */
8546 name
= (char *) xmalloc (strlen ("L$\001end_")
8547 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8553 strcpy (name
, "L$\001end_");
8554 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8556 /* If we have a .exit followed by a .procend, then the
8557 symbol will have already been defined. */
8558 symbolP
= symbol_find (name
);
8561 /* The symbol has already been defined! This can
8562 happen if we have a .exit followed by a .procend.
8564 This is *not* an error. All we want to do is free
8565 the memory we just allocated for the name and continue. */
8570 /* symbol value should be the offset of the
8571 last instruction of the function */
8572 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8576 S_CLEAR_EXTERNAL (symbolP
);
8577 symbol_table_insert (symbolP
);
8581 last_call_info
->end_symbol
= symbolP
;
8583 as_bad (_("Symbol '%s' could not be created."), name
);
8587 as_bad (_("No memory for symbol name."));
8591 /* For ELF, this function serves one purpose: to setup the st_size
8592 field of STT_FUNC symbols. To do this, we need to scan the
8593 call_info structure list, determining st_size in by taking the
8594 difference in the address of the beginning/end marker symbols. */
8597 elf_hppa_final_processing ()
8599 struct call_info
*call_info_pointer
;
8601 for (call_info_pointer
= call_info_root
;
8603 call_info_pointer
= call_info_pointer
->ci_next
)
8605 elf_symbol_type
*esym
8606 = ((elf_symbol_type
*)
8607 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8608 esym
->internal_elf_sym
.st_size
=
8609 S_GET_VALUE (call_info_pointer
->end_symbol
)
8610 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8615 pa_vtable_entry (ignore
)
8616 int ignore ATTRIBUTE_UNUSED
;
8618 struct fix
*new_fix
;
8620 new_fix
= obj_elf_vtable_entry (0);
8624 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8625 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8626 hppa_fix
->fx_r_type
= R_HPPA
;
8627 hppa_fix
->fx_r_field
= e_fsel
;
8628 hppa_fix
->fx_r_format
= 32;
8629 hppa_fix
->fx_arg_reloc
= 0;
8630 hppa_fix
->segment
= now_seg
;
8631 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8632 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8637 pa_vtable_inherit (ignore
)
8638 int ignore ATTRIBUTE_UNUSED
;
8640 struct fix
*new_fix
;
8642 new_fix
= obj_elf_vtable_inherit (0);
8646 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8647 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8648 hppa_fix
->fx_r_type
= R_HPPA
;
8649 hppa_fix
->fx_r_field
= e_fsel
;
8650 hppa_fix
->fx_r_format
= 32;
8651 hppa_fix
->fx_arg_reloc
= 0;
8652 hppa_fix
->segment
= now_seg
;
8653 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8654 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;