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_fix3 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. */
1819 while (*s
== ',' && i
< 2)
1822 if (strncasecmp (s
, "sm", 2) == 0)
1829 else if (strncasecmp (s
, "m", 1) == 0)
1831 else if ((strncasecmp (s
, "s ", 2) == 0)
1832 || (strncasecmp (s
, "s,", 2) == 0))
1834 /* When in strict mode this is a match failure. */
1841 as_bad (_("Invalid Indexed Load Completer."));
1846 as_bad (_("Invalid Indexed Load Completer Syntax."));
1848 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1851 /* Handle a short load/store completer. */
1864 if (strncasecmp (s
, "ma", 2) == 0)
1870 else if (strncasecmp (s
, "mb", 2) == 0)
1877 /* When in strict mode, pass through for cache op. */
1878 if (!found
&& strict
)
1883 as_bad (_("Invalid Short Load/Store Completer."));
1887 /* If we did not get a ma/mb completer, then we do not
1888 consider this a positive match for 'ce'. */
1889 else if (*args
== 'e')
1892 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1893 encode the before/after field. */
1894 if (*args
== 'm' || *args
== 'M')
1897 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1899 else if (*args
== 'q')
1902 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1904 else if (*args
== 'J')
1906 /* M bit is explicit in the major opcode. */
1907 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1909 else if (*args
== 'e')
1911 /* Stash the ma/mb flag temporarily in the
1912 instruction. We will use (and remove it)
1913 later when handling 'J', 'K', '<' & '>'. */
1919 /* Handle a stbys completer. */
1926 while (*s
== ',' && i
< 2)
1929 if (strncasecmp (s
, "m", 1) == 0)
1931 else if ((strncasecmp (s
, "b ", 2) == 0)
1932 || (strncasecmp (s
, "b,", 2) == 0))
1934 else if (strncasecmp (s
, "e", 1) == 0)
1936 /* When in strict mode this is a match failure. */
1943 as_bad (_("Invalid Store Bytes Short Completer"));
1948 as_bad (_("Invalid Store Bytes Short Completer"));
1950 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1953 /* Handle load cache hint completer. */
1956 if (!strncmp (s
, ",sl", 3))
1961 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1963 /* Handle store cache hint completer. */
1966 if (!strncmp (s
, ",sl", 3))
1971 else if (!strncmp (s
, ",bc", 3))
1976 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1978 /* Handle load and clear cache hint completer. */
1981 if (!strncmp (s
, ",co", 3))
1986 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1988 /* Handle load ordering completer. */
1990 if (strncmp (s
, ",o", 2) != 0)
1995 /* Handle a branch gate completer. */
1997 if (strncasecmp (s
, ",gate", 5) != 0)
2002 /* Handle a branch link and push completer. */
2004 if (strncasecmp (s
, ",l,push", 7) != 0)
2009 /* Handle a branch link completer. */
2011 if (strncasecmp (s
, ",l", 2) != 0)
2016 /* Handle a branch pop completer. */
2018 if (strncasecmp (s
, ",pop", 4) != 0)
2023 /* Handle a local processor completer. */
2025 if (strncasecmp (s
, ",l", 2) != 0)
2030 /* Handle a PROBE read/write completer. */
2033 if (!strncasecmp (s
, ",w", 2))
2038 else if (!strncasecmp (s
, ",r", 2))
2044 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2046 /* Handle MFCTL wide completer. */
2048 if (strncasecmp (s
, ",w", 2) != 0)
2053 /* Handle an RFI restore completer. */
2056 if (!strncasecmp (s
, ",r", 2))
2062 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2064 /* Handle a system control completer. */
2066 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2074 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2076 /* Handle intermediate/final completer for DCOR. */
2079 if (!strncasecmp (s
, ",i", 2))
2085 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2087 /* Handle zero/sign extension completer. */
2090 if (!strncasecmp (s
, ",z", 2))
2096 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2098 /* Handle add completer. */
2101 if (!strncasecmp (s
, ",l", 2))
2106 else if (!strncasecmp (s
, ",tsv", 4))
2112 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2114 /* Handle 64 bit carry for ADD. */
2117 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2118 !strncasecmp (s
, ",tsv,dc", 7))
2123 else if (!strncasecmp (s
, ",dc", 3))
2131 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2133 /* Handle 32 bit carry for ADD. */
2136 if (!strncasecmp (s
, ",c,tsv", 6) ||
2137 !strncasecmp (s
, ",tsv,c", 6))
2142 else if (!strncasecmp (s
, ",c", 2))
2150 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2152 /* Handle trap on signed overflow. */
2155 if (!strncasecmp (s
, ",tsv", 4))
2161 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2163 /* Handle trap on condition and overflow. */
2166 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2167 !strncasecmp (s
, ",tsv,tc", 7))
2172 else if (!strncasecmp (s
, ",tc", 3))
2180 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2182 /* Handle 64 bit borrow for SUB. */
2185 if (!strncasecmp (s
, ",db,tsv", 7) ||
2186 !strncasecmp (s
, ",tsv,db", 7))
2191 else if (!strncasecmp (s
, ",db", 3))
2199 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2201 /* Handle 32 bit borrow for SUB. */
2204 if (!strncasecmp (s
, ",b,tsv", 6) ||
2205 !strncasecmp (s
, ",tsv,b", 6))
2210 else if (!strncasecmp (s
, ",b", 2))
2218 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2220 /* Handle trap condition completer for UADDCM. */
2223 if (!strncasecmp (s
, ",tc", 3))
2229 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2231 /* Handle signed/unsigned at 21. */
2235 if (strncasecmp (s
, ",s", 2) == 0)
2240 else if (strncasecmp (s
, ",u", 2) == 0)
2246 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2249 /* Handle left/right combination at 17:18. */
2259 as_bad (_("Invalid left/right combination completer"));
2262 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2265 as_bad (_("Invalid left/right combination completer"));
2268 /* Handle saturation at 24:25. */
2272 if (strncasecmp (s
, ",ss", 3) == 0)
2277 else if (strncasecmp (s
, ",us", 3) == 0)
2283 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2286 /* Handle permutation completer. */
2314 as_bad (_("Invalid permutation completer"));
2316 opcode
|= perm
<< permloc
[i
];
2321 as_bad (_("Invalid permutation completer"));
2329 /* Handle all conditions. */
2335 /* Handle FP compare conditions. */
2337 cond
= pa_parse_fp_cmp_cond (&s
);
2338 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2340 /* Handle an add condition. */
2349 /* 64 bit conditions. */
2362 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2366 if (strcmp (name
, "=") == 0)
2368 else if (strcmp (name
, "<") == 0)
2370 else if (strcmp (name
, "<=") == 0)
2372 else if (strcasecmp (name
, "nuv") == 0)
2374 else if (strcasecmp (name
, "znv") == 0)
2376 else if (strcasecmp (name
, "sv") == 0)
2378 else if (strcasecmp (name
, "od") == 0)
2380 else if (strcasecmp (name
, "tr") == 0)
2385 else if (strcmp (name
, "<>") == 0)
2390 else if (strcmp (name
, ">=") == 0)
2395 else if (strcmp (name
, ">") == 0)
2400 else if (strcasecmp (name
, "uv") == 0)
2405 else if (strcasecmp (name
, "vnz") == 0)
2410 else if (strcasecmp (name
, "nsv") == 0)
2415 else if (strcasecmp (name
, "ev") == 0)
2420 /* ",*" is a valid condition. */
2421 else if (*args
== 'a')
2422 as_bad (_("Invalid Add Condition: %s"), name
);
2425 opcode
|= cmpltr
<< 13;
2426 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2428 /* Handle non-negated add and branch condition. */
2430 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2433 as_bad (_("Invalid Add and Branch Condition"));
2436 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2438 /* Handle 64 bit wide-mode add and branch condition. */
2440 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2443 as_bad (_("Invalid Add and Branch Condition"));
2448 /* Negated condition requires an opcode change. */
2449 opcode
|= (cmpltr
& 8) << 24;
2451 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2453 /* Handle a negated or non-negated add and branch
2457 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2461 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2464 as_bad (_("Invalid Compare/Subtract Condition"));
2469 /* Negated condition requires an opcode change. */
2473 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2475 /* Handle branch on bit conditions. */
2493 if (strncmp (s
, "<", 1) == 0)
2498 else if (strncmp (s
, ">=", 2) == 0)
2504 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2506 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2508 /* Handle a compare/subtract condition. */
2517 /* 64 bit conditions. */
2530 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2534 if (strcmp (name
, "=") == 0)
2536 else if (strcmp (name
, "<") == 0)
2538 else if (strcmp (name
, "<=") == 0)
2540 else if (strcasecmp (name
, "<<") == 0)
2542 else if (strcasecmp (name
, "<<=") == 0)
2544 else if (strcasecmp (name
, "sv") == 0)
2546 else if (strcasecmp (name
, "od") == 0)
2548 else if (strcasecmp (name
, "tr") == 0)
2553 else if (strcmp (name
, "<>") == 0)
2558 else if (strcmp (name
, ">=") == 0)
2563 else if (strcmp (name
, ">") == 0)
2568 else if (strcasecmp (name
, ">>=") == 0)
2573 else if (strcasecmp (name
, ">>") == 0)
2578 else if (strcasecmp (name
, "nsv") == 0)
2583 else if (strcasecmp (name
, "ev") == 0)
2588 /* ",*" is a valid condition. */
2589 else if (*args
!= 'S')
2590 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2594 opcode
|= cmpltr
<< 13;
2595 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2597 /* Handle a non-negated compare condition. */
2599 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2602 as_bad (_("Invalid Compare/Subtract Condition"));
2605 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2607 /* Handle a 32 bit compare and branch condition. */
2610 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2614 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2617 as_bad (_("Invalid Compare and Branch Condition"));
2622 /* Negated condition requires an opcode change. */
2627 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2629 /* Handle a 64 bit compare and branch condition. */
2631 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2634 /* Negated condition requires an opcode change. */
2635 opcode
|= (cmpltr
& 8) << 26;
2638 /* Not a 64 bit cond. Give 32 bit a chance. */
2641 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2643 /* Handle a 64 bit cmpib condition. */
2645 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2647 /* Not a 64 bit cond. Give 32 bit a chance. */
2650 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2652 /* Handle a logical instruction condition. */
2661 /* 64 bit conditions. */
2673 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2678 if (strcmp (name
, "=") == 0)
2680 else if (strcmp (name
, "<") == 0)
2682 else if (strcmp (name
, "<=") == 0)
2684 else if (strcasecmp (name
, "od") == 0)
2686 else if (strcasecmp (name
, "tr") == 0)
2691 else if (strcmp (name
, "<>") == 0)
2696 else if (strcmp (name
, ">=") == 0)
2701 else if (strcmp (name
, ">") == 0)
2706 else if (strcasecmp (name
, "ev") == 0)
2711 /* ",*" is a valid condition. */
2712 else if (*args
!= 'L')
2713 as_bad (_("Invalid Logical Instruction Condition."));
2716 opcode
|= cmpltr
<< 13;
2717 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2719 /* Handle a shift/extract/deposit condition. */
2728 /* 64 bit conditions. */
2740 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2744 if (strcmp (name
, "=") == 0)
2746 else if (strcmp (name
, "<") == 0)
2748 else if (strcasecmp (name
, "od") == 0)
2750 else if (strcasecmp (name
, "tr") == 0)
2752 else if (strcmp (name
, "<>") == 0)
2754 else if (strcmp (name
, ">=") == 0)
2756 else if (strcasecmp (name
, "ev") == 0)
2758 /* Handle movb,n. Put things back the way they were.
2759 This includes moving s back to where it started. */
2760 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2766 /* ",*" is a valid condition. */
2767 else if (*args
!= 'X')
2768 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2771 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2773 /* Handle a unit instruction condition. */
2782 /* 64 bit conditions. */
2793 if (strncasecmp (s
, "sbz", 3) == 0)
2798 else if (strncasecmp (s
, "shz", 3) == 0)
2803 else if (strncasecmp (s
, "sdc", 3) == 0)
2808 else if (strncasecmp (s
, "sbc", 3) == 0)
2813 else if (strncasecmp (s
, "shc", 3) == 0)
2818 else if (strncasecmp (s
, "tr", 2) == 0)
2824 else if (strncasecmp (s
, "nbz", 3) == 0)
2830 else if (strncasecmp (s
, "nhz", 3) == 0)
2836 else if (strncasecmp (s
, "ndc", 3) == 0)
2842 else if (strncasecmp (s
, "nbc", 3) == 0)
2848 else if (strncasecmp (s
, "nhc", 3) == 0)
2854 else if (strncasecmp (s
, "swz", 3) == 0)
2860 else if (strncasecmp (s
, "swc", 3) == 0)
2866 else if (strncasecmp (s
, "nwz", 3) == 0)
2872 else if (strncasecmp (s
, "nwc", 3) == 0)
2878 /* ",*" is a valid condition. */
2879 else if (*args
!= 'U')
2880 as_bad (_("Invalid Unit Instruction Condition."));
2882 opcode
|= cmpltr
<< 13;
2883 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2891 /* Handle a nullification completer for branch instructions. */
2893 nullif
= pa_parse_nullif (&s
);
2894 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2896 /* Handle a nullification completer for copr and spop insns. */
2898 nullif
= pa_parse_nullif (&s
);
2899 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2901 /* Handle ,%r2 completer for new syntax branches. */
2903 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2905 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2911 /* Handle 3 bit entry into the fp compare array. Valid values
2912 are 0..6 inclusive. */
2916 if (the_insn
.exp
.X_op
== O_constant
)
2918 num
= evaluate_absolute (&the_insn
);
2919 CHECK_FIELD (num
, 6, 0, 0);
2921 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2926 /* Handle 3 bit entry into the fp compare array. Valid values
2927 are 0..6 inclusive. */
2930 if (the_insn
.exp
.X_op
== O_constant
)
2933 num
= evaluate_absolute (&the_insn
);
2934 CHECK_FIELD (num
, 6, 0, 0);
2935 num
= (num
+ 1) ^ 1;
2936 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2941 /* Handle graphics test completers for ftest */
2944 num
= pa_parse_ftest_gfx_completer (&s
);
2945 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2948 /* Handle a 11 bit immediate at 31. */
2950 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2953 if (the_insn
.exp
.X_op
== O_constant
)
2955 num
= evaluate_absolute (&the_insn
);
2956 CHECK_FIELD (num
, 1023, -1024, 0);
2957 num
= low_sign_unext (num
, 11);
2958 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2962 if (is_DP_relative (the_insn
.exp
))
2963 the_insn
.reloc
= R_HPPA_GOTOFF
;
2964 else if (is_PC_relative (the_insn
.exp
))
2965 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2967 the_insn
.reloc
= R_HPPA
;
2968 the_insn
.format
= 11;
2972 /* Handle a 14 bit immediate at 31. */
2974 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2977 if (the_insn
.exp
.X_op
== O_constant
)
2981 /* XXX the completer stored away tidbits of information
2982 for us to extract. We need a cleaner way to do this.
2983 Now that we have lots of letters again, it would be
2984 good to rethink this. */
2987 num
= evaluate_absolute (&the_insn
);
2988 if (mb
!= (num
< 0))
2990 CHECK_FIELD (num
, 8191, -8192, 0);
2991 num
= low_sign_unext (num
, 14);
2992 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2996 /* Handle a 14 bit immediate at 31. */
2998 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3001 if (the_insn
.exp
.X_op
== O_constant
)
3007 num
= evaluate_absolute (&the_insn
);
3008 if (mb
== (num
< 0))
3012 CHECK_FIELD (num
, 8191, -8192, 0);
3013 num
= low_sign_unext (num
, 14);
3014 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3018 /* Handle a 16 bit immediate at 31. */
3020 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3023 if (the_insn
.exp
.X_op
== O_constant
)
3029 num
= evaluate_absolute (&the_insn
);
3030 if (mb
!= (num
< 0))
3032 CHECK_FIELD (num
, 32767, -32768, 0);
3033 num
= re_assemble_16 (num
);
3034 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3038 /* Handle a 16 bit immediate at 31. */
3040 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3043 if (the_insn
.exp
.X_op
== O_constant
)
3049 num
= evaluate_absolute (&the_insn
);
3050 if (mb
== (num
< 0))
3054 CHECK_FIELD (num
, 32767, -32768, 0);
3055 num
= re_assemble_16 (num
);
3056 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3060 /* Handle 14 bit immediate, shifted left three times. */
3062 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3065 if (the_insn
.exp
.X_op
== O_constant
)
3067 num
= evaluate_absolute (&the_insn
);
3070 CHECK_FIELD (num
, 8191, -8192, 0);
3075 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3079 if (is_DP_relative (the_insn
.exp
))
3080 the_insn
.reloc
= R_HPPA_GOTOFF
;
3081 else if (is_PC_relative (the_insn
.exp
))
3082 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3084 the_insn
.reloc
= R_HPPA
;
3085 the_insn
.format
= 14;
3090 /* Handle 14 bit immediate, shifted left twice. */
3092 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3095 if (the_insn
.exp
.X_op
== O_constant
)
3097 num
= evaluate_absolute (&the_insn
);
3100 CHECK_FIELD (num
, 8191, -8192, 0);
3105 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3109 if (is_DP_relative (the_insn
.exp
))
3110 the_insn
.reloc
= R_HPPA_GOTOFF
;
3111 else if (is_PC_relative (the_insn
.exp
))
3112 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3114 the_insn
.reloc
= R_HPPA
;
3115 the_insn
.format
= 14;
3119 /* Handle a 14 bit immediate at 31. */
3121 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3124 if (the_insn
.exp
.X_op
== O_constant
)
3126 num
= evaluate_absolute (&the_insn
);
3127 CHECK_FIELD (num
, 8191, -8192, 0);
3128 num
= low_sign_unext (num
, 14);
3129 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3133 if (is_DP_relative (the_insn
.exp
))
3134 the_insn
.reloc
= R_HPPA_GOTOFF
;
3135 else if (is_PC_relative (the_insn
.exp
))
3136 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3138 the_insn
.reloc
= R_HPPA
;
3139 the_insn
.format
= 14;
3143 /* Handle a 21 bit immediate at 31. */
3145 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3148 if (the_insn
.exp
.X_op
== O_constant
)
3150 num
= evaluate_absolute (&the_insn
);
3151 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3152 opcode
|= re_assemble_21 (num
);
3157 if (is_DP_relative (the_insn
.exp
))
3158 the_insn
.reloc
= R_HPPA_GOTOFF
;
3159 else if (is_PC_relative (the_insn
.exp
))
3160 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3162 the_insn
.reloc
= R_HPPA
;
3163 the_insn
.format
= 21;
3167 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3169 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3172 if (the_insn
.exp
.X_op
== O_constant
)
3174 num
= evaluate_absolute (&the_insn
);
3175 CHECK_FIELD (num
, 32767, -32768, 0);
3176 opcode
|= re_assemble_16 (num
);
3181 /* ??? Is this valid for wide mode? */
3182 if (is_DP_relative (the_insn
.exp
))
3183 the_insn
.reloc
= R_HPPA_GOTOFF
;
3184 else if (is_PC_relative (the_insn
.exp
))
3185 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3187 the_insn
.reloc
= R_HPPA
;
3188 the_insn
.format
= 14;
3192 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3194 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3197 if (the_insn
.exp
.X_op
== O_constant
)
3199 num
= evaluate_absolute (&the_insn
);
3200 CHECK_FIELD (num
, 32767, -32768, 0);
3201 CHECK_ALIGN (num
, 4, 0);
3202 opcode
|= re_assemble_16 (num
);
3207 /* ??? Is this valid for wide mode? */
3208 if (is_DP_relative (the_insn
.exp
))
3209 the_insn
.reloc
= R_HPPA_GOTOFF
;
3210 else if (is_PC_relative (the_insn
.exp
))
3211 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3213 the_insn
.reloc
= R_HPPA
;
3214 the_insn
.format
= 14;
3218 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3220 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3223 if (the_insn
.exp
.X_op
== O_constant
)
3225 num
= evaluate_absolute (&the_insn
);
3226 CHECK_FIELD (num
, 32767, -32768, 0);
3227 CHECK_ALIGN (num
, 8, 0);
3228 opcode
|= re_assemble_16 (num
);
3233 /* ??? Is this valid for wide mode? */
3234 if (is_DP_relative (the_insn
.exp
))
3235 the_insn
.reloc
= R_HPPA_GOTOFF
;
3236 else if (is_PC_relative (the_insn
.exp
))
3237 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3239 the_insn
.reloc
= R_HPPA
;
3240 the_insn
.format
= 14;
3244 /* Handle a 12 bit branch displacement. */
3246 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3250 if (!the_insn
.exp
.X_add_symbol
3251 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3254 num
= evaluate_absolute (&the_insn
);
3257 as_bad (_("Branch to unaligned address"));
3260 if (the_insn
.exp
.X_add_symbol
)
3262 CHECK_FIELD (num
, 8191, -8192, 0);
3263 opcode
|= re_assemble_12 (num
>> 2);
3268 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3269 the_insn
.format
= 12;
3270 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3271 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3276 /* Handle a 17 bit branch displacement. */
3278 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3282 if (!the_insn
.exp
.X_add_symbol
3283 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3286 num
= evaluate_absolute (&the_insn
);
3289 as_bad (_("Branch to unaligned address"));
3292 if (the_insn
.exp
.X_add_symbol
)
3294 CHECK_FIELD (num
, 262143, -262144, 0);
3295 opcode
|= re_assemble_17 (num
>> 2);
3300 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3301 the_insn
.format
= 17;
3302 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3303 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3307 /* Handle a 22 bit branch displacement. */
3309 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3313 if (!the_insn
.exp
.X_add_symbol
3314 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3317 num
= evaluate_absolute (&the_insn
);
3320 as_bad (_("Branch to unaligned address"));
3323 if (the_insn
.exp
.X_add_symbol
)
3325 CHECK_FIELD (num
, 8388607, -8388608, 0);
3326 opcode
|= re_assemble_22 (num
>> 2);
3330 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3331 the_insn
.format
= 22;
3332 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3333 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3337 /* Handle an absolute 17 bit branch target. */
3339 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3343 if (!the_insn
.exp
.X_add_symbol
3344 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3347 num
= evaluate_absolute (&the_insn
);
3350 as_bad (_("Branch to unaligned address"));
3353 if (the_insn
.exp
.X_add_symbol
)
3355 CHECK_FIELD (num
, 262143, -262144, 0);
3356 opcode
|= re_assemble_17 (num
>> 2);
3361 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3362 the_insn
.format
= 17;
3363 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3364 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3368 /* Handle '%r1' implicit operand of addil instruction. */
3370 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3371 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3379 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3381 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3386 /* Handle immediate value of 0 for ordered load/store instructions. */
3393 /* Handle a 2 bit shift count at 25. */
3395 num
= pa_get_absolute_expression (&the_insn
, &s
);
3396 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3399 CHECK_FIELD (num
, 3, 1, strict
);
3400 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3402 /* Handle a 4 bit shift count at 25. */
3404 num
= pa_get_absolute_expression (&the_insn
, &s
);
3405 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3408 CHECK_FIELD (num
, 15, 0, strict
);
3409 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3411 /* Handle a 5 bit shift count at 26. */
3413 num
= pa_get_absolute_expression (&the_insn
, &s
);
3414 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3417 CHECK_FIELD (num
, 31, 0, strict
);
3418 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3420 /* Handle a 6 bit shift count at 20,22:26. */
3422 num
= pa_get_absolute_expression (&the_insn
, &s
);
3423 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3426 CHECK_FIELD (num
, 63, 0, strict
);
3428 opcode
|= (num
& 0x20) << 6;
3429 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3431 /* Handle a 6 bit field length at 23,27:31. */
3434 num
= pa_get_absolute_expression (&the_insn
, &s
);
3435 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3438 CHECK_FIELD (num
, 64, 1, strict
);
3440 opcode
|= (num
& 0x20) << 3;
3441 num
= 31 - (num
& 0x1f);
3442 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3444 /* Handle a 6 bit field length at 19,27:31. */
3446 num
= pa_get_absolute_expression (&the_insn
, &s
);
3447 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3450 CHECK_FIELD (num
, 64, 1, strict
);
3452 opcode
|= (num
& 0x20) << 7;
3453 num
= 31 - (num
& 0x1f);
3454 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3456 /* Handle a 5 bit bit position at 26. */
3458 num
= pa_get_absolute_expression (&the_insn
, &s
);
3459 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3462 CHECK_FIELD (num
, 31, 0, strict
);
3463 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3465 /* Handle a 6 bit bit position at 20,22:26. */
3467 num
= pa_get_absolute_expression (&the_insn
, &s
);
3468 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3471 CHECK_FIELD (num
, 63, 0, strict
);
3472 opcode
|= (num
& 0x20) << 6;
3473 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3475 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3476 of the high bit of the immediate. */
3478 num
= pa_get_absolute_expression (&the_insn
, &s
);
3479 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3482 CHECK_FIELD (num
, 63, 0, strict
);
3486 opcode
|= (1 << 13);
3487 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3489 /* Handle a 5 bit immediate at 10. */
3491 num
= pa_get_absolute_expression (&the_insn
, &s
);
3492 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3495 CHECK_FIELD (num
, 31, 0, strict
);
3496 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3498 /* Handle a 9 bit immediate at 28. */
3500 num
= pa_get_absolute_expression (&the_insn
, &s
);
3501 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3504 CHECK_FIELD (num
, 511, 1, strict
);
3505 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3507 /* Handle a 13 bit immediate at 18. */
3509 num
= pa_get_absolute_expression (&the_insn
, &s
);
3510 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3513 CHECK_FIELD (num
, 8191, 0, strict
);
3514 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3516 /* Handle a 26 bit immediate at 31. */
3518 num
= pa_get_absolute_expression (&the_insn
, &s
);
3519 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3522 CHECK_FIELD (num
, 67108863, 0, strict
);
3523 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3525 /* Handle a 3 bit SFU identifier at 25. */
3528 as_bad (_("Invalid SFU identifier"));
3529 num
= pa_get_absolute_expression (&the_insn
, &s
);
3530 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3533 CHECK_FIELD (num
, 7, 0, strict
);
3534 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3536 /* Handle a 20 bit SOP field for spop0. */
3538 num
= pa_get_absolute_expression (&the_insn
, &s
);
3539 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3542 CHECK_FIELD (num
, 1048575, 0, strict
);
3543 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3544 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3546 /* Handle a 15bit SOP field for spop1. */
3548 num
= pa_get_absolute_expression (&the_insn
, &s
);
3549 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3552 CHECK_FIELD (num
, 32767, 0, strict
);
3553 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3555 /* Handle a 10bit SOP field for spop3. */
3557 num
= pa_get_absolute_expression (&the_insn
, &s
);
3558 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3561 CHECK_FIELD (num
, 1023, 0, strict
);
3562 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3563 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3565 /* Handle a 15 bit SOP field for spop2. */
3567 num
= pa_get_absolute_expression (&the_insn
, &s
);
3568 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3571 CHECK_FIELD (num
, 32767, 0, strict
);
3572 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3573 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3575 /* Handle a 3-bit co-processor ID field. */
3578 as_bad (_("Invalid COPR identifier"));
3579 num
= pa_get_absolute_expression (&the_insn
, &s
);
3580 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3583 CHECK_FIELD (num
, 7, 0, strict
);
3584 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3586 /* Handle a 22bit SOP field for copr. */
3588 num
= pa_get_absolute_expression (&the_insn
, &s
);
3589 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3592 CHECK_FIELD (num
, 4194303, 0, strict
);
3593 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3594 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3596 /* Handle a source FP operand format completer. */
3598 if (*s
== ',' && *(s
+1) == 't')
3605 flag
= pa_parse_fp_cnv_format (&s
);
3606 the_insn
.fpof1
= flag
;
3607 if (flag
== W
|| flag
== UW
)
3609 if (flag
== DW
|| flag
== UDW
)
3611 if (flag
== QW
|| flag
== UQW
)
3613 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3615 /* Handle a destination FP operand format completer. */
3617 /* pa_parse_format needs the ',' prefix. */
3619 flag
= pa_parse_fp_cnv_format (&s
);
3620 the_insn
.fpof2
= flag
;
3621 if (flag
== W
|| flag
== UW
)
3623 if (flag
== DW
|| flag
== UDW
)
3625 if (flag
== QW
|| flag
== UQW
)
3627 opcode
|= flag
<< 13;
3628 if (the_insn
.fpof1
== SGL
3629 || the_insn
.fpof1
== DBL
3630 || the_insn
.fpof1
== QUAD
)
3632 if (the_insn
.fpof2
== SGL
3633 || the_insn
.fpof2
== DBL
3634 || the_insn
.fpof2
== QUAD
)
3636 else if (the_insn
.fpof2
== W
3637 || the_insn
.fpof2
== DW
3638 || the_insn
.fpof2
== QW
)
3640 else if (the_insn
.fpof2
== UW
3641 || the_insn
.fpof2
== UDW
3642 || the_insn
.fpof2
== UQW
)
3647 else if (the_insn
.fpof1
== W
3648 || the_insn
.fpof1
== DW
3649 || the_insn
.fpof1
== QW
)
3651 if (the_insn
.fpof2
== SGL
3652 || the_insn
.fpof2
== DBL
3653 || the_insn
.fpof2
== QUAD
)
3658 else if (the_insn
.fpof1
== UW
3659 || the_insn
.fpof1
== UDW
3660 || the_insn
.fpof1
== UQW
)
3662 if (the_insn
.fpof2
== SGL
3663 || the_insn
.fpof2
== DBL
3664 || the_insn
.fpof2
== QUAD
)
3669 flag
|= the_insn
.trunc
;
3670 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3672 /* Handle a source FP operand format completer. */
3674 flag
= pa_parse_fp_format (&s
);
3675 the_insn
.fpof1
= flag
;
3676 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3678 /* Handle a destination FP operand format completer. */
3680 /* pa_parse_format needs the ',' prefix. */
3682 flag
= pa_parse_fp_format (&s
);
3683 the_insn
.fpof2
= flag
;
3684 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3686 /* Handle a source FP operand format completer at 20. */
3688 flag
= pa_parse_fp_format (&s
);
3689 the_insn
.fpof1
= flag
;
3690 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3692 /* Handle a floating point operand format at 26.
3693 Only allows single and double precision. */
3695 flag
= pa_parse_fp_format (&s
);
3701 the_insn
.fpof1
= flag
;
3707 as_bad (_("Invalid Floating Point Operand Format."));
3711 /* Handle all floating point registers. */
3715 /* Float target register. */
3717 if (!pa_parse_number (&s
, 3))
3719 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3720 CHECK_FIELD (num
, 31, 0, 0);
3721 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3723 /* Float target register with L/R selection. */
3726 if (!pa_parse_number (&s
, 1))
3728 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3729 CHECK_FIELD (num
, 31, 0, 0);
3732 /* 0x30 opcodes are FP arithmetic operation opcodes
3733 and need to be turned into 0x38 opcodes. This
3734 is not necessary for loads/stores. */
3735 if (need_pa11_opcode ()
3736 && ((opcode
& 0xfc000000) == 0x30000000))
3739 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3743 /* Float operand 1. */
3746 if (!pa_parse_number (&s
, 1))
3748 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3749 CHECK_FIELD (num
, 31, 0, 0);
3750 opcode
|= num
<< 21;
3751 if (need_pa11_opcode ())
3753 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3759 /* Float operand 1 with L/R selection. */
3763 if (!pa_parse_number (&s
, 1))
3765 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3766 CHECK_FIELD (num
, 31, 0, 0);
3767 opcode
|= num
<< 21;
3768 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3772 /* Float operand 2. */
3775 if (!pa_parse_number (&s
, 1))
3777 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3778 CHECK_FIELD (num
, 31, 0, 0);
3779 opcode
|= num
<< 16;
3780 if (need_pa11_opcode ())
3782 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3788 /* Float operand 2 with L/R selection. */
3791 if (!pa_parse_number (&s
, 1))
3793 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3794 CHECK_FIELD (num
, 31, 0, 0);
3795 opcode
|= num
<< 16;
3796 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3800 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3803 if (!pa_parse_number (&s
, 1))
3805 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3806 CHECK_FIELD (num
, 31, 0, 0);
3807 opcode
|= (num
& 0x1c) << 11;
3808 opcode
|= (num
& 0x03) << 9;
3809 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3813 /* Float mult operand 1 for fmpyadd, fmpysub */
3816 if (!pa_parse_number (&s
, 1))
3818 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3819 CHECK_FIELD (num
, 31, 0, 0);
3820 if (the_insn
.fpof1
== SGL
)
3824 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3828 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3830 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3833 /* Float mult operand 2 for fmpyadd, fmpysub */
3836 if (!pa_parse_number (&s
, 1))
3838 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3839 CHECK_FIELD (num
, 31, 0, 0);
3840 if (the_insn
.fpof1
== SGL
)
3844 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3848 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3850 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3853 /* Float mult target for fmpyadd, fmpysub */
3856 if (!pa_parse_number (&s
, 1))
3858 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3859 CHECK_FIELD (num
, 31, 0, 0);
3860 if (the_insn
.fpof1
== SGL
)
3864 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3868 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3870 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3873 /* Float add operand 1 for fmpyadd, fmpysub */
3876 if (!pa_parse_number (&s
, 1))
3878 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3879 CHECK_FIELD (num
, 31, 0, 0);
3880 if (the_insn
.fpof1
== SGL
)
3884 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3888 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3890 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3893 /* Float add target for fmpyadd, fmpysub */
3896 if (!pa_parse_number (&s
, 1))
3898 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3899 CHECK_FIELD (num
, 31, 0, 0);
3900 if (the_insn
.fpof1
== SGL
)
3904 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3908 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3910 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3913 /* Handle L/R register halves like 'x'. */
3917 if (!pa_parse_number (&s
, 1))
3919 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3920 CHECK_FIELD (num
, 31, 0, 0);
3921 opcode
|= num
<< 16;
3922 if (need_pa11_opcode ())
3924 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3929 /* Float target register (PA 2.0 wide). */
3931 if (!pa_parse_number (&s
, 3))
3933 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3934 CHECK_FIELD (num
, 31, 0, 0);
3935 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3949 /* Check if the args matched. */
3952 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3953 && !strcmp (insn
->name
, insn
[1].name
))
3961 as_bad (_("Invalid operands %s"), error_message
);
3968 the_insn
.opcode
= opcode
;
3971 /* Turn a string in input_line_pointer into a floating point constant of type
3972 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3973 emitted is stored in *sizeP . An error message or NULL is returned. */
3975 #define MAX_LITTLENUMS 6
3978 md_atof (type
, litP
, sizeP
)
3984 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3985 LITTLENUM_TYPE
*wordP
;
4017 return _("Bad call to MD_ATOF()");
4019 t
= atof_ieee (input_line_pointer
, type
, words
);
4021 input_line_pointer
= t
;
4022 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4023 for (wordP
= words
; prec
--;)
4025 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4026 litP
+= sizeof (LITTLENUM_TYPE
);
4031 /* Write out big-endian. */
4034 md_number_to_chars (buf
, val
, n
)
4039 number_to_chars_bigendian (buf
, val
, n
);
4042 /* Translate internal representation of relocation info to BFD target
4046 tc_gen_reloc (section
, fixp
)
4051 struct hppa_fix_struct
*hppa_fixp
;
4052 static arelent
*no_relocs
= NULL
;
4059 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4060 if (fixp
->fx_addsy
== 0)
4063 assert (hppa_fixp
!= 0);
4064 assert (section
!= 0);
4066 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4068 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4069 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4070 codes
= hppa_gen_reloc_type (stdoutput
,
4072 hppa_fixp
->fx_r_format
,
4073 hppa_fixp
->fx_r_field
,
4074 fixp
->fx_subsy
!= NULL
,
4075 symbol_get_bfdsym (fixp
->fx_addsy
));
4079 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4083 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4086 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4087 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4088 for (i
= 0; i
< n_relocs
; i
++)
4089 relocs
[i
] = &reloc
[i
];
4091 relocs
[n_relocs
] = NULL
;
4094 switch (fixp
->fx_r_type
)
4097 assert (n_relocs
== 1);
4101 /* Now, do any processing that is dependent on the relocation type. */
4104 case R_PARISC_DLTREL21L
:
4105 case R_PARISC_DLTREL14R
:
4106 case R_PARISC_DLTREL14F
:
4107 case R_PARISC_PLABEL32
:
4108 case R_PARISC_PLABEL21L
:
4109 case R_PARISC_PLABEL14R
:
4110 /* For plabel relocations, the addend of the
4111 relocation should be either 0 (no static link) or 2
4112 (static link required). This adjustment is done in
4113 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4115 We also slam a zero addend into the DLT relative relocs;
4116 it doesn't make a lot of sense to use any addend since
4117 it gets you a different (eg unknown) DLT entry. */
4121 #ifdef ELF_ARG_RELOC
4122 case R_PARISC_PCREL17R
:
4123 case R_PARISC_PCREL17F
:
4124 case R_PARISC_PCREL17C
:
4125 case R_PARISC_DIR17R
:
4126 case R_PARISC_DIR17F
:
4127 case R_PARISC_PCREL21L
:
4128 case R_PARISC_DIR21L
:
4129 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4134 case R_PARISC_DIR32
:
4135 /* Facilitate hand-crafted unwind info. */
4136 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4137 code
= R_PARISC_SEGREL32
;
4141 reloc
->addend
= fixp
->fx_offset
;
4145 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4146 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4147 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4148 (bfd_reloc_code_real_type
) code
);
4149 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4151 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4156 /* Walk over reach relocation returned by the BFD backend. */
4157 for (i
= 0; i
< n_relocs
; i
++)
4161 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4162 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4164 bfd_reloc_type_lookup (stdoutput
,
4165 (bfd_reloc_code_real_type
) code
);
4166 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4171 /* The only time we ever use a R_COMP2 fixup is for the difference
4172 of two symbols. With that in mind we fill in all four
4173 relocs now and break out of the loop. */
4175 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4177 bfd_reloc_type_lookup (stdoutput
,
4178 (bfd_reloc_code_real_type
) *codes
[0]);
4179 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4180 relocs
[0]->addend
= 0;
4181 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4182 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4184 bfd_reloc_type_lookup (stdoutput
,
4185 (bfd_reloc_code_real_type
) *codes
[1]);
4186 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4187 relocs
[1]->addend
= 0;
4188 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4189 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4191 bfd_reloc_type_lookup (stdoutput
,
4192 (bfd_reloc_code_real_type
) *codes
[2]);
4193 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4194 relocs
[2]->addend
= 0;
4195 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4197 bfd_reloc_type_lookup (stdoutput
,
4198 (bfd_reloc_code_real_type
) *codes
[3]);
4199 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4200 relocs
[3]->addend
= 0;
4201 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4203 bfd_reloc_type_lookup (stdoutput
,
4204 (bfd_reloc_code_real_type
) *codes
[4]);
4205 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4206 relocs
[4]->addend
= 0;
4210 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4216 /* For plabel relocations, the addend of the
4217 relocation should be either 0 (no static link) or 2
4218 (static link required).
4220 FIXME: We always assume no static link!
4222 We also slam a zero addend into the DLT relative relocs;
4223 it doesn't make a lot of sense to use any addend since
4224 it gets you a different (eg unknown) DLT entry. */
4225 relocs
[i
]->addend
= 0;
4240 /* There is no symbol or addend associated with these fixups. */
4241 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4242 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4243 relocs
[i
]->addend
= 0;
4249 /* There is no symbol associated with these fixups. */
4250 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4251 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4252 relocs
[i
]->addend
= fixp
->fx_offset
;
4256 relocs
[i
]->addend
= fixp
->fx_offset
;
4266 /* Process any machine dependent frag types. */
4269 md_convert_frag (abfd
, sec
, fragP
)
4270 register bfd
*abfd ATTRIBUTE_UNUSED
;
4271 register asection
*sec ATTRIBUTE_UNUSED
;
4272 register fragS
*fragP
;
4274 unsigned int address
;
4276 if (fragP
->fr_type
== rs_machine_dependent
)
4278 switch ((int) fragP
->fr_subtype
)
4281 fragP
->fr_type
= rs_fill
;
4282 know (fragP
->fr_var
== 1);
4283 know (fragP
->fr_next
);
4284 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4285 if (address
% fragP
->fr_offset
)
4288 fragP
->fr_next
->fr_address
4293 fragP
->fr_offset
= 0;
4299 /* Round up a section size to the appropriate boundary. */
4302 md_section_align (segment
, size
)
4306 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4307 int align2
= (1 << align
) - 1;
4309 return (size
+ align2
) & ~align2
;
4312 /* Return the approximate size of a frag before relaxation has occurred. */
4314 md_estimate_size_before_relax (fragP
, segment
)
4315 register fragS
*fragP
;
4316 asection
*segment ATTRIBUTE_UNUSED
;
4322 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4329 # ifdef WARN_COMMENTS
4330 const char *md_shortopts
= "Vc";
4332 const char *md_shortopts
= "V";
4335 # ifdef WARN_COMMENTS
4336 const char *md_shortopts
= "c";
4338 const char *md_shortopts
= "";
4342 struct option md_longopts
[] = {
4343 #ifdef WARN_COMMENTS
4344 {"warn-comment", no_argument
, NULL
, 'c'},
4346 {NULL
, no_argument
, NULL
, 0}
4348 size_t md_longopts_size
= sizeof (md_longopts
);
4351 md_parse_option (c
, arg
)
4352 int c ATTRIBUTE_UNUSED
;
4353 char *arg ATTRIBUTE_UNUSED
;
4362 print_version_id ();
4365 #ifdef WARN_COMMENTS
4376 md_show_usage (stream
)
4377 FILE *stream ATTRIBUTE_UNUSED
;
4380 fprintf (stream
, _("\
4383 #ifdef WARN_COMMENTS
4384 fprintf (stream
, _("\
4385 -c print a warning if a comment is found\n"));
4389 /* We have no need to default values of symbols. */
4392 md_undefined_symbol (name
)
4393 char *name ATTRIBUTE_UNUSED
;
4398 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4399 #define nonzero_dibits(x) \
4400 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4401 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4402 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4404 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4407 /* Apply a fixup to an instruction. */
4410 md_apply_fix3 (fixP
, valP
, seg
)
4413 segT seg ATTRIBUTE_UNUSED
;
4416 struct hppa_fix_struct
*hppa_fixP
;
4420 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
4423 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4424 never be "applied" (they are just markers). Likewise for
4425 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4427 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4428 || fixP
->fx_r_type
== R_HPPA_EXIT
4429 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4430 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4431 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4434 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4435 fixups are considered not adjustable, which in turn causes
4436 adjust_reloc_syms to not set fx_offset. Ugh. */
4437 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4439 fixP
->fx_offset
= * valP
;
4444 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4445 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4449 /* There should have been an HPPA specific fixup associated
4450 with the GAS fixup. */
4451 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4452 if (hppa_fixP
== NULL
)
4454 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4455 _("no hppa_fixup entry for fixup type 0x%x"),
4460 buf
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
4461 insn
= bfd_get_32 (stdoutput
, buf
);
4462 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4464 /* If there is a symbol associated with this fixup, then it's something
4465 which will need a SOM relocation (except for some PC-relative relocs).
4466 In such cases we should treat the "val" or "addend" as zero since it
4467 will be added in as needed from fx_offset in tc_gen_reloc. */
4468 if ((fixP
->fx_addsy
!= NULL
4469 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4474 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4476 /* These field selectors imply that we do not want an addend. */
4477 else if (hppa_fixP
->fx_r_field
== e_psel
4478 || hppa_fixP
->fx_r_field
== e_rpsel
4479 || hppa_fixP
->fx_r_field
== e_lpsel
4480 || hppa_fixP
->fx_r_field
== e_tsel
4481 || hppa_fixP
->fx_r_field
== e_rtsel
4482 || hppa_fixP
->fx_r_field
== e_ltsel
)
4483 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4484 /* This is truly disgusting. The machine independent code blindly
4485 adds in the value of the symbol being relocated against. Damn! */
4487 && fixP
->fx_addsy
!= NULL
4488 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
4489 new_val
= hppa_field_adjust (* valP
- S_GET_VALUE (fixP
->fx_addsy
),
4490 0, hppa_fixP
->fx_r_field
);
4493 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4495 /* Handle pc-relative exceptions from above. */
4496 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4499 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4500 hppa_fixP
->fx_arg_reloc
)
4502 && (* valP
- 8 + 8192 < 16384
4503 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
4504 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4507 && (* valP
- 8 + 262144 < 524288
4508 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4510 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4511 && !S_IS_WEAK (fixP
->fx_addsy
)
4512 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4514 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4516 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4522 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4523 fixP
->fx_file
, fixP
->fx_line
);
4526 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4527 | ((val
& 0x2000) >> 13));
4530 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4531 fixP
->fx_file
, fixP
->fx_line
);
4534 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4535 | ((val
& 0x2000) >> 13));
4537 /* Handle all opcodes with the 'j' operand type. */
4539 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4540 fixP
->fx_file
, fixP
->fx_line
);
4543 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4546 /* Handle all opcodes with the 'k' operand type. */
4548 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4549 fixP
->fx_file
, fixP
->fx_line
);
4552 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4555 /* Handle all the opcodes with the 'i' operand type. */
4557 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4558 fixP
->fx_file
, fixP
->fx_line
);
4561 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4564 /* Handle all the opcodes with the 'w' operand type. */
4566 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4567 fixP
->fx_file
, fixP
->fx_line
);
4570 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4573 /* Handle some of the opcodes with the 'W' operand type. */
4576 offsetT distance
= * valP
;
4578 /* If this is an absolute branch (ie no link) with an out of
4579 range target, then we want to complain. */
4580 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4581 && (insn
& 0xffe00000) == 0xe8000000)
4582 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4583 fixP
->fx_file
, fixP
->fx_line
);
4585 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4586 fixP
->fx_file
, fixP
->fx_line
);
4589 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4595 offsetT distance
= * valP
;
4597 /* If this is an absolute branch (ie no link) with an out of
4598 range target, then we want to complain. */
4599 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4600 && (insn
& 0xffe00000) == 0xe8000000)
4601 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4602 fixP
->fx_file
, fixP
->fx_line
);
4604 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4605 fixP
->fx_file
, fixP
->fx_line
);
4608 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4614 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4619 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4624 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4632 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4633 _("Unknown relocation encountered in md_apply_fix."));
4637 /* Insert the relocation. */
4638 bfd_put_32 (stdoutput
, insn
, buf
);
4641 /* Exactly what point is a PC-relative offset relative TO?
4642 On the PA, they're relative to the address of the offset. */
4645 md_pcrel_from (fixP
)
4648 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4651 /* Return nonzero if the input line pointer is at the end of
4655 is_end_of_statement ()
4657 return ((*input_line_pointer
== '\n')
4658 || (*input_line_pointer
== ';')
4659 || (*input_line_pointer
== '!'));
4662 /* Read a number from S. The number might come in one of many forms,
4663 the most common will be a hex or decimal constant, but it could be
4664 a pre-defined register (Yuk!), or an absolute symbol.
4666 Return 1 on success or 0 on failure. If STRICT, then a missing
4667 register prefix will cause a failure. The number itself is
4668 returned in `pa_number'.
4670 IS_FLOAT indicates that a PA-89 FP register number should be
4671 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4674 pa_parse_number can not handle negative constants and will fail
4675 horribly if it is passed such a constant. */
4678 pa_parse_number (s
, is_float
)
4688 boolean have_prefix
;
4690 /* Skip whitespace before the number. */
4691 while (*p
== ' ' || *p
== '\t')
4697 if (!strict
&& ISDIGIT (*p
))
4699 /* Looks like a number. */
4701 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4703 /* The number is specified in hex. */
4705 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4706 || ((*p
>= 'A') && (*p
<= 'F')))
4709 num
= num
* 16 + *p
- '0';
4710 else if (*p
>= 'a' && *p
<= 'f')
4711 num
= num
* 16 + *p
- 'a' + 10;
4713 num
= num
* 16 + *p
- 'A' + 10;
4719 /* The number is specified in decimal. */
4720 while (ISDIGIT (*p
))
4722 num
= num
* 10 + *p
- '0';
4729 /* Check for a `l' or `r' suffix. */
4732 pa_number
+= FP_REG_BASE
;
4733 if (! (is_float
& 2))
4735 if (IS_R_SELECT (p
))
4737 pa_number
+= FP_REG_RSEL
;
4740 else if (IS_L_SELECT (p
))
4749 /* The number might be a predefined register. */
4754 /* Tege hack: Special case for general registers as the general
4755 code makes a binary search with case translation, and is VERY
4760 if (*p
== 'e' && *(p
+ 1) == 't'
4761 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4764 num
= *p
- '0' + 28;
4772 else if (!ISDIGIT (*p
))
4775 as_bad (_("Undefined register: '%s'."), name
);
4781 num
= num
* 10 + *p
++ - '0';
4782 while (ISDIGIT (*p
));
4787 /* Do a normal register search. */
4788 while (is_part_of_name (c
))
4794 status
= reg_name_search (name
);
4800 as_bad (_("Undefined register: '%s'."), name
);
4810 /* And finally, it could be a symbol in the absolute section which
4811 is effectively a constant, or a register alias symbol. */
4814 while (is_part_of_name (c
))
4820 if ((sym
= symbol_find (name
)) != NULL
)
4822 if (S_GET_SEGMENT (sym
) == reg_section
)
4824 num
= S_GET_VALUE (sym
);
4825 /* Well, we don't really have one, but we do have a
4829 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4830 num
= S_GET_VALUE (sym
);
4834 as_bad (_("Non-absolute symbol: '%s'."), name
);
4840 /* There is where we'd come for an undefined symbol
4841 or for an empty string. For an empty string we
4842 will return zero. That's a concession made for
4843 compatability with the braindamaged HP assemblers. */
4849 as_bad (_("Undefined absolute constant: '%s'."), name
);
4858 if (!strict
|| have_prefix
)
4866 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4868 /* Given NAME, find the register number associated with that name, return
4869 the integer value associated with the given name or -1 on failure. */
4872 reg_name_search (name
)
4875 int middle
, low
, high
;
4879 high
= REG_NAME_CNT
- 1;
4883 middle
= (low
+ high
) / 2;
4884 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4890 return pre_defined_registers
[middle
].value
;
4892 while (low
<= high
);
4897 /* Return nonzero if the given INSN and L/R information will require
4898 a new PA-1.1 opcode. */
4903 if ((pa_number
& FP_REG_RSEL
) != 0
4904 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4906 /* If this instruction is specific to a particular architecture,
4907 then set a new architecture. */
4908 if (bfd_get_mach (stdoutput
) < pa11
)
4910 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4911 as_warn (_("could not update architecture and machine"));
4919 /* Parse a condition for a fcmp instruction. Return the numerical
4920 code associated with the condition. */
4923 pa_parse_fp_cmp_cond (s
)
4930 for (i
= 0; i
< 32; i
++)
4932 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4933 strlen (fp_cond_map
[i
].string
)) == 0)
4935 cond
= fp_cond_map
[i
].cond
;
4936 *s
+= strlen (fp_cond_map
[i
].string
);
4937 /* If not a complete match, back up the input string and
4939 if (**s
!= ' ' && **s
!= '\t')
4941 *s
-= strlen (fp_cond_map
[i
].string
);
4944 while (**s
== ' ' || **s
== '\t')
4950 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4952 /* Advance over the bogus completer. */
4953 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4959 /* Parse a graphics test complete for ftest. */
4962 pa_parse_ftest_gfx_completer (s
)
4968 if (strncasecmp (*s
, "acc8", 4) == 0)
4973 else if (strncasecmp (*s
, "acc6", 4) == 0)
4978 else if (strncasecmp (*s
, "acc4", 4) == 0)
4983 else if (strncasecmp (*s
, "acc2", 4) == 0)
4988 else if (strncasecmp (*s
, "acc", 3) == 0)
4993 else if (strncasecmp (*s
, "rej8", 4) == 0)
4998 else if (strncasecmp (*s
, "rej", 3) == 0)
5006 as_bad (_("Invalid FTEST completer: %s"), *s
);
5012 /* Parse an FP operand format completer returning the completer
5015 static fp_operand_format
5016 pa_parse_fp_cnv_format (s
)
5025 if (strncasecmp (*s
, "sgl", 3) == 0)
5030 else if (strncasecmp (*s
, "dbl", 3) == 0)
5035 else if (strncasecmp (*s
, "quad", 4) == 0)
5040 else if (strncasecmp (*s
, "w", 1) == 0)
5045 else if (strncasecmp (*s
, "uw", 2) == 0)
5050 else if (strncasecmp (*s
, "dw", 2) == 0)
5055 else if (strncasecmp (*s
, "udw", 3) == 0)
5060 else if (strncasecmp (*s
, "qw", 2) == 0)
5065 else if (strncasecmp (*s
, "uqw", 3) == 0)
5072 format
= ILLEGAL_FMT
;
5073 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5080 /* Parse an FP operand format completer returning the completer
5083 static fp_operand_format
5084 pa_parse_fp_format (s
)
5093 if (strncasecmp (*s
, "sgl", 3) == 0)
5098 else if (strncasecmp (*s
, "dbl", 3) == 0)
5103 else if (strncasecmp (*s
, "quad", 4) == 0)
5110 format
= ILLEGAL_FMT
;
5111 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5118 /* Convert from a selector string into a selector type. */
5121 pa_chk_field_selector (str
)
5124 int middle
, low
, high
;
5128 /* Read past any whitespace. */
5129 /* FIXME: should we read past newlines and formfeeds??? */
5130 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5133 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5134 name
[0] = TOLOWER ((*str
)[0]),
5136 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5137 name
[0] = TOLOWER ((*str
)[0]),
5138 name
[1] = TOLOWER ((*str
)[1]),
5140 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5141 name
[0] = TOLOWER ((*str
)[0]),
5142 name
[1] = TOLOWER ((*str
)[1]),
5143 name
[2] = TOLOWER ((*str
)[2]),
5149 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5153 middle
= (low
+ high
) / 2;
5154 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5161 *str
+= strlen (name
) + 1;
5163 if (selector_table
[middle
].field_selector
== e_nsel
)
5166 return selector_table
[middle
].field_selector
;
5169 while (low
<= high
);
5174 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5177 get_expression (str
)
5183 save_in
= input_line_pointer
;
5184 input_line_pointer
= str
;
5185 seg
= expression (&the_insn
.exp
);
5186 if (!(seg
== absolute_section
5187 || seg
== undefined_section
5188 || SEG_NORMAL (seg
)))
5190 as_warn (_("Bad segment in expression."));
5191 expr_end
= input_line_pointer
;
5192 input_line_pointer
= save_in
;
5195 expr_end
= input_line_pointer
;
5196 input_line_pointer
= save_in
;
5200 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5202 pa_get_absolute_expression (insn
, strp
)
5208 insn
->field_selector
= pa_chk_field_selector (strp
);
5209 save_in
= input_line_pointer
;
5210 input_line_pointer
= *strp
;
5211 expression (&insn
->exp
);
5212 /* This is not perfect, but is a huge improvement over doing nothing.
5214 The PA assembly syntax is ambigious in a variety of ways. Consider
5215 this string "4 %r5" Is that the number 4 followed by the register
5216 r5, or is that 4 MOD r5?
5218 If we get a modulo expresion When looking for an absolute, we try
5219 again cutting off the input string at the first whitespace character. */
5220 if (insn
->exp
.X_op
== O_modulus
)
5225 input_line_pointer
= *strp
;
5227 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5233 retval
= pa_get_absolute_expression (insn
, strp
);
5235 input_line_pointer
= save_in
;
5237 return evaluate_absolute (insn
);
5239 /* When in strict mode we have a non-match, fix up the pointers
5240 and return to our caller. */
5241 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5243 expr_end
= input_line_pointer
;
5244 input_line_pointer
= save_in
;
5247 if (insn
->exp
.X_op
!= O_constant
)
5249 as_bad (_("Bad segment (should be absolute)."));
5250 expr_end
= input_line_pointer
;
5251 input_line_pointer
= save_in
;
5254 expr_end
= input_line_pointer
;
5255 input_line_pointer
= save_in
;
5256 return evaluate_absolute (insn
);
5259 /* Evaluate an absolute expression EXP which may be modified by
5260 the selector FIELD_SELECTOR. Return the value of the expression. */
5262 evaluate_absolute (insn
)
5267 int field_selector
= insn
->field_selector
;
5270 value
= exp
.X_add_number
;
5272 return hppa_field_adjust (0, value
, field_selector
);
5275 /* Given an argument location specification return the associated
5276 argument location number. */
5279 pa_build_arg_reloc (type_name
)
5283 if (strncasecmp (type_name
, "no", 2) == 0)
5285 if (strncasecmp (type_name
, "gr", 2) == 0)
5287 else if (strncasecmp (type_name
, "fr", 2) == 0)
5289 else if (strncasecmp (type_name
, "fu", 2) == 0)
5292 as_bad (_("Invalid argument location: %s\n"), type_name
);
5297 /* Encode and return an argument relocation specification for
5298 the given register in the location specified by arg_reloc. */
5301 pa_align_arg_reloc (reg
, arg_reloc
)
5303 unsigned int arg_reloc
;
5305 unsigned int new_reloc
;
5307 new_reloc
= arg_reloc
;
5323 as_bad (_("Invalid argument description: %d"), reg
);
5329 /* Parse a PA nullification completer (,n). Return nonzero if the
5330 completer was found; return zero if no completer was found. */
5342 if (strncasecmp (*s
, "n", 1) == 0)
5346 as_bad (_("Invalid Nullification: (%c)"), **s
);
5355 /* Parse a non-negated compare/subtract completer returning the
5356 number (for encoding in instrutions) of the given completer. */
5359 pa_parse_nonneg_cmpsub_cmpltr (s
)
5363 char *name
= *s
+ 1;
5372 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5377 if (strcmp (name
, "=") == 0)
5381 else if (strcmp (name
, "<") == 0)
5385 else if (strcmp (name
, "<=") == 0)
5389 else if (strcmp (name
, "<<") == 0)
5393 else if (strcmp (name
, "<<=") == 0)
5397 else if (strcasecmp (name
, "sv") == 0)
5401 else if (strcasecmp (name
, "od") == 0)
5405 /* If we have something like addb,n then there is no condition
5407 else if (strcasecmp (name
, "n") == 0)
5419 /* Reset pointers if this was really a ,n for a branch instruction. */
5426 /* Parse a negated compare/subtract completer returning the
5427 number (for encoding in instrutions) of the given completer. */
5430 pa_parse_neg_cmpsub_cmpltr (s
)
5434 char *name
= *s
+ 1;
5443 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5448 if (strcasecmp (name
, "tr") == 0)
5452 else if (strcmp (name
, "<>") == 0)
5456 else if (strcmp (name
, ">=") == 0)
5460 else if (strcmp (name
, ">") == 0)
5464 else if (strcmp (name
, ">>=") == 0)
5468 else if (strcmp (name
, ">>") == 0)
5472 else if (strcasecmp (name
, "nsv") == 0)
5476 else if (strcasecmp (name
, "ev") == 0)
5480 /* If we have something like addb,n then there is no condition
5482 else if (strcasecmp (name
, "n") == 0)
5494 /* Reset pointers if this was really a ,n for a branch instruction. */
5501 /* Parse a 64 bit compare and branch completer returning the number (for
5502 encoding in instrutions) of the given completer.
5504 Nonnegated comparisons are returned as 0-7, negated comparisons are
5505 returned as 8-15. */
5508 pa_parse_cmpb_64_cmpltr (s
)
5512 char *name
= *s
+ 1;
5519 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5524 if (strcmp (name
, "*") == 0)
5528 else if (strcmp (name
, "*=") == 0)
5532 else if (strcmp (name
, "*<") == 0)
5536 else if (strcmp (name
, "*<=") == 0)
5540 else if (strcmp (name
, "*<<") == 0)
5544 else if (strcmp (name
, "*<<=") == 0)
5548 else if (strcasecmp (name
, "*sv") == 0)
5552 else if (strcasecmp (name
, "*od") == 0)
5556 else if (strcasecmp (name
, "*tr") == 0)
5560 else if (strcmp (name
, "*<>") == 0)
5564 else if (strcmp (name
, "*>=") == 0)
5568 else if (strcmp (name
, "*>") == 0)
5572 else if (strcmp (name
, "*>>=") == 0)
5576 else if (strcmp (name
, "*>>") == 0)
5580 else if (strcasecmp (name
, "*nsv") == 0)
5584 else if (strcasecmp (name
, "*ev") == 0)
5598 /* Parse a 64 bit compare immediate and branch completer returning the number
5599 (for encoding in instrutions) of the given completer. */
5602 pa_parse_cmpib_64_cmpltr (s
)
5606 char *name
= *s
+ 1;
5613 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5618 if (strcmp (name
, "*<<") == 0)
5622 else if (strcmp (name
, "*=") == 0)
5626 else if (strcmp (name
, "*<") == 0)
5630 else if (strcmp (name
, "*<=") == 0)
5634 else if (strcmp (name
, "*>>=") == 0)
5638 else if (strcmp (name
, "*<>") == 0)
5642 else if (strcasecmp (name
, "*>=") == 0)
5646 else if (strcasecmp (name
, "*>") == 0)
5660 /* Parse a non-negated addition completer returning the number
5661 (for encoding in instrutions) of the given completer. */
5664 pa_parse_nonneg_add_cmpltr (s
)
5668 char *name
= *s
+ 1;
5677 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5681 if (strcmp (name
, "=") == 0)
5685 else if (strcmp (name
, "<") == 0)
5689 else if (strcmp (name
, "<=") == 0)
5693 else if (strcasecmp (name
, "nuv") == 0)
5697 else if (strcasecmp (name
, "znv") == 0)
5701 else if (strcasecmp (name
, "sv") == 0)
5705 else if (strcasecmp (name
, "od") == 0)
5709 /* If we have something like addb,n then there is no condition
5711 else if (strcasecmp (name
, "n") == 0)
5723 /* Reset pointers if this was really a ,n for a branch instruction. */
5730 /* Parse a negated addition completer returning the number
5731 (for encoding in instrutions) of the given completer. */
5734 pa_parse_neg_add_cmpltr (s
)
5738 char *name
= *s
+ 1;
5747 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5751 if (strcasecmp (name
, "tr") == 0)
5755 else if (strcmp (name
, "<>") == 0)
5759 else if (strcmp (name
, ">=") == 0)
5763 else if (strcmp (name
, ">") == 0)
5767 else if (strcasecmp (name
, "uv") == 0)
5771 else if (strcasecmp (name
, "vnz") == 0)
5775 else if (strcasecmp (name
, "nsv") == 0)
5779 else if (strcasecmp (name
, "ev") == 0)
5783 /* If we have something like addb,n then there is no condition
5785 else if (strcasecmp (name
, "n") == 0)
5797 /* Reset pointers if this was really a ,n for a branch instruction. */
5804 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5805 encoding in instrutions) of the given completer. */
5808 pa_parse_addb_64_cmpltr (s
)
5812 char *name
= *s
+ 1;
5821 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5825 if (strcmp (name
, "=") == 0)
5829 else if (strcmp (name
, "<") == 0)
5833 else if (strcmp (name
, "<=") == 0)
5837 else if (strcasecmp (name
, "nuv") == 0)
5841 else if (strcasecmp (name
, "*=") == 0)
5845 else if (strcasecmp (name
, "*<") == 0)
5849 else if (strcasecmp (name
, "*<=") == 0)
5853 else if (strcmp (name
, "tr") == 0)
5857 else if (strcmp (name
, "<>") == 0)
5861 else if (strcmp (name
, ">=") == 0)
5865 else if (strcmp (name
, ">") == 0)
5869 else if (strcasecmp (name
, "uv") == 0)
5873 else if (strcasecmp (name
, "*<>") == 0)
5877 else if (strcasecmp (name
, "*>=") == 0)
5881 else if (strcasecmp (name
, "*>") == 0)
5885 /* If we have something like addb,n then there is no condition
5887 else if (strcasecmp (name
, "n") == 0)
5899 /* Reset pointers if this was really a ,n for a branch instruction. */
5907 /* Handle an alignment directive. Special so that we can update the
5908 alignment of the subspace if necessary. */
5913 /* We must have a valid space and subspace. */
5914 pa_check_current_space_and_subspace ();
5916 /* Let the generic gas code do most of the work. */
5917 s_align_bytes (bytes
);
5919 /* If bytes is a power of 2, then update the current subspace's
5920 alignment if necessary. */
5921 if (log2 (bytes
) != -1)
5922 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5926 /* Handle a .BLOCK type pseudo-op. */
5930 int z ATTRIBUTE_UNUSED
;
5934 unsigned int temp_size
;
5938 /* We must have a valid space and subspace. */
5939 pa_check_current_space_and_subspace ();
5942 temp_size
= get_absolute_expression ();
5944 /* Always fill with zeros, that's what the HP assembler does. */
5947 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5948 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5949 memset (p
, 0, temp_size
);
5951 /* Convert 2 bytes at a time. */
5953 for (i
= 0; i
< temp_size
; i
+= 2)
5955 md_number_to_chars (p
+ i
,
5957 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5960 pa_undefine_label ();
5961 demand_empty_rest_of_line ();
5964 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5968 int begin ATTRIBUTE_UNUSED
;
5972 /* The BRTAB relocations are only availble in SOM (to denote
5973 the beginning and end of branch tables). */
5974 char *where
= frag_more (0);
5976 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5977 NULL
, (offsetT
) 0, NULL
,
5978 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5982 demand_empty_rest_of_line ();
5985 /* Handle a .begin_try and .end_try pseudo-op. */
5989 int begin ATTRIBUTE_UNUSED
;
5993 char *where
= frag_more (0);
5998 /* The TRY relocations are only availble in SOM (to denote
5999 the beginning and end of exception handling regions). */
6001 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6002 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
6003 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6007 demand_empty_rest_of_line ();
6010 /* Handle a .CALL pseudo-op. This involves storing away information
6011 about where arguments are to be found so the linker can detect
6012 (and correct) argument location mismatches between caller and callee. */
6016 int unused ATTRIBUTE_UNUSED
;
6019 /* We must have a valid space and subspace. */
6020 pa_check_current_space_and_subspace ();
6023 pa_call_args (&last_call_desc
);
6024 demand_empty_rest_of_line ();
6027 /* Do the dirty work of building a call descriptor which describes
6028 where the caller placed arguments to a function call. */
6031 pa_call_args (call_desc
)
6032 struct call_desc
*call_desc
;
6035 unsigned int temp
, arg_reloc
;
6037 while (!is_end_of_statement ())
6039 name
= input_line_pointer
;
6040 c
= get_symbol_end ();
6041 /* Process a source argument. */
6042 if ((strncasecmp (name
, "argw", 4) == 0))
6044 temp
= atoi (name
+ 4);
6045 p
= input_line_pointer
;
6047 input_line_pointer
++;
6048 name
= input_line_pointer
;
6049 c
= get_symbol_end ();
6050 arg_reloc
= pa_build_arg_reloc (name
);
6051 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6053 /* Process a return value. */
6054 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6056 p
= input_line_pointer
;
6058 input_line_pointer
++;
6059 name
= input_line_pointer
;
6060 c
= get_symbol_end ();
6061 arg_reloc
= pa_build_arg_reloc (name
);
6062 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6066 as_bad (_("Invalid .CALL argument: %s"), name
);
6068 p
= input_line_pointer
;
6070 if (!is_end_of_statement ())
6071 input_line_pointer
++;
6075 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6078 is_same_frag (frag1
, frag2
)
6085 else if (frag2
== NULL
)
6087 else if (frag1
== frag2
)
6089 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6090 return (is_same_frag (frag1
, frag2
->fr_next
));
6096 /* Build an entry in the UNWIND subspace from the given function
6097 attributes in CALL_INFO. This is not needed for SOM as using
6098 R_ENTRY and R_EXIT relocations allow the linker to handle building
6099 of the unwind spaces. */
6102 pa_build_unwind_subspace (call_info
)
6103 struct call_info
*call_info
;
6105 asection
*seg
, *save_seg
;
6106 subsegT save_subseg
;
6107 unsigned int unwind
;
6111 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6112 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6113 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6116 reloc
= R_PARISC_SEGREL32
;
6118 save_subseg
= now_subseg
;
6119 /* Get into the right seg/subseg. This may involve creating
6120 the seg the first time through. Make sure to have the
6121 old seg/subseg so that we can reset things when we are done. */
6122 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6123 if (seg
== ASEC_NULL
)
6125 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6126 bfd_set_section_flags (stdoutput
, seg
,
6127 SEC_READONLY
| SEC_HAS_CONTENTS
6128 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6129 bfd_set_section_alignment (stdoutput
, seg
, 2);
6132 subseg_set (seg
, 0);
6134 /* Get some space to hold relocation information for the unwind
6138 /* Relocation info. for start offset of the function. */
6139 md_number_to_chars (p
, 0, 4);
6140 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6141 call_info
->start_symbol
, (offsetT
) 0,
6142 (expressionS
*) NULL
, 0, reloc
,
6145 /* Relocation info. for end offset of the function.
6147 Because we allow reductions of 32bit relocations for ELF, this will be
6148 reduced to section_sym + offset which avoids putting the temporary
6149 symbol into the symbol table. It (should) end up giving the same
6150 value as call_info->start_symbol + function size once the linker is
6151 finished with its work. */
6152 md_number_to_chars (p
+ 4, 0, 4);
6153 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6154 call_info
->end_symbol
, (offsetT
) 0,
6155 (expressionS
*) NULL
, 0, reloc
,
6158 /* Dump the descriptor. */
6159 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6160 md_number_to_chars (p
+ 8, unwind
, 4);
6162 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6163 md_number_to_chars (p
+ 12, unwind
, 4);
6165 /* Return back to the original segment/subsegment. */
6166 subseg_set (save_seg
, save_subseg
);
6170 /* Process a .CALLINFO pseudo-op. This information is used later
6171 to build unwind descriptors and maybe one day to support
6172 .ENTER and .LEAVE. */
6175 pa_callinfo (unused
)
6176 int unused ATTRIBUTE_UNUSED
;
6182 /* We must have a valid space and subspace. */
6183 pa_check_current_space_and_subspace ();
6186 /* .CALLINFO must appear within a procedure definition. */
6187 if (!within_procedure
)
6188 as_bad (_(".callinfo is not within a procedure definition"));
6190 /* Mark the fact that we found the .CALLINFO for the
6191 current procedure. */
6192 callinfo_found
= TRUE
;
6194 /* Iterate over the .CALLINFO arguments. */
6195 while (!is_end_of_statement ())
6197 name
= input_line_pointer
;
6198 c
= get_symbol_end ();
6199 /* Frame size specification. */
6200 if ((strncasecmp (name
, "frame", 5) == 0))
6202 p
= input_line_pointer
;
6204 input_line_pointer
++;
6205 temp
= get_absolute_expression ();
6206 if ((temp
& 0x3) != 0)
6208 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6212 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6213 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6216 /* Entry register (GR, GR and SR) specifications. */
6217 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6219 p
= input_line_pointer
;
6221 input_line_pointer
++;
6222 temp
= get_absolute_expression ();
6223 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6224 even though %r19 is caller saved. I think this is a bug in
6225 the HP assembler, and we are not going to emulate it. */
6226 if (temp
< 3 || temp
> 18)
6227 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6228 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6230 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6232 p
= input_line_pointer
;
6234 input_line_pointer
++;
6235 temp
= get_absolute_expression ();
6236 /* Similarly the HP assembler takes 31 as the high bound even
6237 though %fr21 is the last callee saved floating point register. */
6238 if (temp
< 12 || temp
> 21)
6239 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6240 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6242 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6244 p
= input_line_pointer
;
6246 input_line_pointer
++;
6247 temp
= get_absolute_expression ();
6249 as_bad (_("Value for ENTRY_SR must be 3\n"));
6251 /* Note whether or not this function performs any calls. */
6252 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6253 (strncasecmp (name
, "caller", 6) == 0))
6255 p
= input_line_pointer
;
6258 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6260 p
= input_line_pointer
;
6263 /* Should RP be saved into the stack. */
6264 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6266 p
= input_line_pointer
;
6268 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6270 /* Likewise for SP. */
6271 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6273 p
= input_line_pointer
;
6275 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6277 /* Is this an unwindable procedure. If so mark it so
6278 in the unwind descriptor. */
6279 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6281 p
= input_line_pointer
;
6283 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6285 /* Is this an interrupt routine. If so mark it in the
6286 unwind descriptor. */
6287 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6289 p
= input_line_pointer
;
6291 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6293 /* Is this a millicode routine. "millicode" isn't in my
6294 assembler manual, but my copy is old. The HP assembler
6295 accepts it, and there's a place in the unwind descriptor
6296 to drop the information, so we'll accept it too. */
6297 else if ((strncasecmp (name
, "millicode", 9) == 0))
6299 p
= input_line_pointer
;
6301 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6305 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6306 *input_line_pointer
= c
;
6308 if (!is_end_of_statement ())
6309 input_line_pointer
++;
6312 demand_empty_rest_of_line ();
6315 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
6316 /* Switch to the text space. Like s_text, but delete our
6317 label when finished. */
6320 int unused ATTRIBUTE_UNUSED
;
6323 current_space
= is_defined_space ("$TEXT$");
6325 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6329 pa_undefine_label ();
6332 /* Switch to the data space. As usual delete our label. */
6335 int unused ATTRIBUTE_UNUSED
;
6338 current_space
= is_defined_space ("$PRIVATE$");
6340 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6343 pa_undefine_label ();
6346 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6347 the .comm pseudo-op has the following symtax:
6349 <label> .comm <length>
6351 where <label> is optional and is a symbol whose address will be the start of
6352 a block of memory <length> bytes long. <length> must be an absolute
6353 expression. <length> bytes will be allocated in the current space
6356 Also note the label may not even be on the same line as the .comm.
6358 This difference in syntax means the colon function will be called
6359 on the symbol before we arrive in pa_comm. colon will set a number
6360 of attributes of the symbol that need to be fixed here. In particular
6361 the value, section pointer, fragment pointer, flags, etc. What
6364 This also makes error detection all but impossible. */
6368 int unused ATTRIBUTE_UNUSED
;
6372 label_symbol_struct
*label_symbol
= pa_get_label ();
6375 symbol
= label_symbol
->lss_label
;
6380 size
= get_absolute_expression ();
6384 S_SET_VALUE (symbol
, size
);
6385 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6386 S_SET_EXTERNAL (symbol
);
6388 /* colon() has already set the frag to the current location in the
6389 current subspace; we need to reset the fragment to the zero address
6390 fragment. We also need to reset the segment pointer. */
6391 symbol_set_frag (symbol
, &zero_address_frag
);
6393 demand_empty_rest_of_line ();
6395 #endif /* !(defined (OBJ_ELF) && defined (TE_LINUX)) */
6397 /* Process a .END pseudo-op. */
6401 int unused ATTRIBUTE_UNUSED
;
6403 demand_empty_rest_of_line ();
6406 /* Process a .ENTER pseudo-op. This is not supported. */
6409 int unused ATTRIBUTE_UNUSED
;
6412 /* We must have a valid space and subspace. */
6413 pa_check_current_space_and_subspace ();
6416 as_bad (_("The .ENTER pseudo-op is not supported"));
6417 demand_empty_rest_of_line ();
6420 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6424 int unused ATTRIBUTE_UNUSED
;
6427 /* We must have a valid space and subspace. */
6428 pa_check_current_space_and_subspace ();
6431 if (!within_procedure
)
6432 as_bad (_("Misplaced .entry. Ignored."));
6435 if (!callinfo_found
)
6436 as_bad (_("Missing .callinfo."));
6438 demand_empty_rest_of_line ();
6439 within_entry_exit
= TRUE
;
6442 /* SOM defers building of unwind descriptors until the link phase.
6443 The assembler is responsible for creating an R_ENTRY relocation
6444 to mark the beginning of a region and hold the unwind bits, and
6445 for creating an R_EXIT relocation to mark the end of the region.
6447 FIXME. ELF should be using the same conventions! The problem
6448 is an unwind requires too much relocation space. Hmmm. Maybe
6449 if we split the unwind bits up between the relocations which
6450 denote the entry and exit points. */
6451 if (last_call_info
->start_symbol
!= NULL
)
6456 where
= frag_more (0);
6457 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6458 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6459 NULL
, (offsetT
) 0, NULL
,
6460 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6465 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6466 being able to subtract two register symbols that specify a range of
6467 registers, to get the size of the range. */
6468 static int fudge_reg_expressions
;
6471 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6472 expressionS
*resultP
;
6473 operatorT op ATTRIBUTE_UNUSED
;
6474 expressionS
*rightP
;
6476 if (fudge_reg_expressions
6477 && rightP
->X_op
== O_register
6478 && resultP
->X_op
== O_register
)
6480 rightP
->X_op
= O_constant
;
6481 resultP
->X_op
= O_constant
;
6483 return 0; /* Continue normal expr handling. */
6486 /* Handle a .EQU pseudo-op. */
6492 label_symbol_struct
*label_symbol
= pa_get_label ();
6497 symbol
= label_symbol
->lss_label
;
6501 if (!pa_parse_number (&input_line_pointer
, 0))
6502 as_bad (_(".REG expression must be a register"));
6503 S_SET_VALUE (symbol
, pa_number
);
6504 S_SET_SEGMENT (symbol
, reg_section
);
6511 fudge_reg_expressions
= 1;
6512 seg
= expression (&exp
);
6513 fudge_reg_expressions
= 0;
6514 if (exp
.X_op
!= O_constant
6515 && exp
.X_op
!= O_register
)
6517 if (exp
.X_op
!= O_absent
)
6518 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6519 exp
.X_add_number
= 0;
6520 seg
= absolute_section
;
6522 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6523 S_SET_SEGMENT (symbol
, seg
);
6529 as_bad (_(".REG must use a label"));
6531 as_bad (_(".EQU must use a label"));
6534 pa_undefine_label ();
6535 demand_empty_rest_of_line ();
6538 /* Helper function. Does processing for the end of a function. This
6539 usually involves creating some relocations or building special
6540 symbols to mark the end of the function. */
6547 where
= frag_more (0);
6550 /* Mark the end of the function, stuff away the location of the frag
6551 for the end of the function, and finally call pa_build_unwind_subspace
6552 to add an entry in the unwind table. */
6553 hppa_elf_mark_end_of_function ();
6554 pa_build_unwind_subspace (last_call_info
);
6556 /* SOM defers building of unwind descriptors until the link phase.
6557 The assembler is responsible for creating an R_ENTRY relocation
6558 to mark the beginning of a region and hold the unwind bits, and
6559 for creating an R_EXIT relocation to mark the end of the region.
6561 FIXME. ELF should be using the same conventions! The problem
6562 is an unwind requires too much relocation space. Hmmm. Maybe
6563 if we split the unwind bits up between the relocations which
6564 denote the entry and exit points. */
6565 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6567 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6568 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6572 /* Process a .EXIT pseudo-op. */
6576 int unused ATTRIBUTE_UNUSED
;
6579 /* We must have a valid space and subspace. */
6580 pa_check_current_space_and_subspace ();
6583 if (!within_procedure
)
6584 as_bad (_(".EXIT must appear within a procedure"));
6587 if (!callinfo_found
)
6588 as_bad (_("Missing .callinfo"));
6591 if (!within_entry_exit
)
6592 as_bad (_("No .ENTRY for this .EXIT"));
6595 within_entry_exit
= FALSE
;
6600 demand_empty_rest_of_line ();
6603 /* Process a .EXPORT directive. This makes functions external
6604 and provides information such as argument relocation entries
6609 int unused ATTRIBUTE_UNUSED
;
6614 name
= input_line_pointer
;
6615 c
= get_symbol_end ();
6616 /* Make sure the given symbol exists. */
6617 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6619 as_bad (_("Cannot define export symbol: %s\n"), name
);
6620 p
= input_line_pointer
;
6622 input_line_pointer
++;
6626 /* OK. Set the external bits and process argument relocations.
6627 For the HP, weak and global are not mutually exclusive.
6628 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6629 Call S_SET_EXTERNAL to get the other processing. Manually
6630 set BSF_GLOBAL when we get back. */
6631 S_SET_EXTERNAL (symbol
);
6632 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6633 p
= input_line_pointer
;
6635 if (!is_end_of_statement ())
6637 input_line_pointer
++;
6638 pa_type_args (symbol
, 1);
6642 demand_empty_rest_of_line ();
6645 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6648 pa_type_args (symbolP
, is_export
)
6653 unsigned int temp
, arg_reloc
;
6654 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6655 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6657 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6660 input_line_pointer
+= 8;
6661 bfdsym
->flags
&= ~BSF_FUNCTION
;
6662 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6663 type
= SYMBOL_TYPE_ABSOLUTE
;
6665 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6667 input_line_pointer
+= 4;
6668 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6669 instead one should be IMPORTing/EXPORTing ENTRY types.
6671 Complain if one tries to EXPORT a CODE type since that's never
6672 done. Both GCC and HP C still try to IMPORT CODE types, so
6673 silently fix them to be ENTRY types. */
6674 if (S_IS_FUNCTION (symbolP
))
6677 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6678 S_GET_NAME (symbolP
));
6680 bfdsym
->flags
|= BSF_FUNCTION
;
6681 type
= SYMBOL_TYPE_ENTRY
;
6685 bfdsym
->flags
&= ~BSF_FUNCTION
;
6686 type
= SYMBOL_TYPE_CODE
;
6689 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6691 input_line_pointer
+= 4;
6692 bfdsym
->flags
&= ~BSF_FUNCTION
;
6693 bfdsym
->flags
|= BSF_OBJECT
;
6694 type
= SYMBOL_TYPE_DATA
;
6696 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6698 input_line_pointer
+= 5;
6699 bfdsym
->flags
|= BSF_FUNCTION
;
6700 type
= SYMBOL_TYPE_ENTRY
;
6702 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6704 input_line_pointer
+= 9;
6705 bfdsym
->flags
|= BSF_FUNCTION
;
6708 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6709 elfsym
->internal_elf_sym
.st_info
=
6710 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6714 type
= SYMBOL_TYPE_MILLICODE
;
6716 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6718 input_line_pointer
+= 6;
6719 bfdsym
->flags
&= ~BSF_FUNCTION
;
6720 type
= SYMBOL_TYPE_PLABEL
;
6722 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6724 input_line_pointer
+= 8;
6725 bfdsym
->flags
|= BSF_FUNCTION
;
6726 type
= SYMBOL_TYPE_PRI_PROG
;
6728 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6730 input_line_pointer
+= 8;
6731 bfdsym
->flags
|= BSF_FUNCTION
;
6732 type
= SYMBOL_TYPE_SEC_PROG
;
6735 /* SOM requires much more information about symbol types
6736 than BFD understands. This is how we get this information
6737 to the SOM BFD backend. */
6738 #ifdef obj_set_symbol_type
6739 obj_set_symbol_type (bfdsym
, (int) type
);
6742 /* Now that the type of the exported symbol has been handled,
6743 handle any argument relocation information. */
6744 while (!is_end_of_statement ())
6746 if (*input_line_pointer
== ',')
6747 input_line_pointer
++;
6748 name
= input_line_pointer
;
6749 c
= get_symbol_end ();
6750 /* Argument sources. */
6751 if ((strncasecmp (name
, "argw", 4) == 0))
6753 p
= input_line_pointer
;
6755 input_line_pointer
++;
6756 temp
= atoi (name
+ 4);
6757 name
= input_line_pointer
;
6758 c
= get_symbol_end ();
6759 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6760 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6761 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6763 *input_line_pointer
= c
;
6765 /* The return value. */
6766 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6768 p
= input_line_pointer
;
6770 input_line_pointer
++;
6771 name
= input_line_pointer
;
6772 c
= get_symbol_end ();
6773 arg_reloc
= pa_build_arg_reloc (name
);
6774 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6775 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6777 *input_line_pointer
= c
;
6779 /* Privelege level. */
6780 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6782 p
= input_line_pointer
;
6784 input_line_pointer
++;
6785 temp
= atoi (input_line_pointer
);
6787 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6789 c
= get_symbol_end ();
6790 *input_line_pointer
= c
;
6794 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6795 p
= input_line_pointer
;
6798 if (!is_end_of_statement ())
6799 input_line_pointer
++;
6803 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6804 assembly file must either be defined in the assembly file, or
6805 explicitly IMPORTED from another. */
6809 int unused ATTRIBUTE_UNUSED
;
6814 name
= input_line_pointer
;
6815 c
= get_symbol_end ();
6817 symbol
= symbol_find (name
);
6818 /* Ugh. We might be importing a symbol defined earlier in the file,
6819 in which case all the code below will really screw things up
6820 (set the wrong segment, symbol flags & type, etc). */
6821 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6823 symbol
= symbol_find_or_make (name
);
6824 p
= input_line_pointer
;
6827 if (!is_end_of_statement ())
6829 input_line_pointer
++;
6830 pa_type_args (symbol
, 0);
6834 /* Sigh. To be compatable with the HP assembler and to help
6835 poorly written assembly code, we assign a type based on
6836 the current segment. Note only BSF_FUNCTION really
6837 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6838 if (now_seg
== text_section
)
6839 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6841 /* If the section is undefined, then the symbol is undefined
6842 Since this is an import, leave the section undefined. */
6843 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6848 /* The symbol was already defined. Just eat everything up to
6849 the end of the current statement. */
6850 while (!is_end_of_statement ())
6851 input_line_pointer
++;
6854 demand_empty_rest_of_line ();
6857 /* Handle a .LABEL pseudo-op. */
6861 int unused ATTRIBUTE_UNUSED
;
6865 name
= input_line_pointer
;
6866 c
= get_symbol_end ();
6868 if (strlen (name
) > 0)
6871 p
= input_line_pointer
;
6876 as_warn (_("Missing label name on .LABEL"));
6879 if (!is_end_of_statement ())
6881 as_warn (_("extra .LABEL arguments ignored."));
6882 ignore_rest_of_line ();
6884 demand_empty_rest_of_line ();
6887 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6891 int unused ATTRIBUTE_UNUSED
;
6894 /* We must have a valid space and subspace. */
6895 pa_check_current_space_and_subspace ();
6898 as_bad (_("The .LEAVE pseudo-op is not supported"));
6899 demand_empty_rest_of_line ();
6902 /* Handle a .LEVEL pseudo-op. */
6906 int unused ATTRIBUTE_UNUSED
;
6910 level
= input_line_pointer
;
6911 if (strncmp (level
, "1.0", 3) == 0)
6913 input_line_pointer
+= 3;
6914 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6915 as_warn (_("could not set architecture and machine"));
6917 else if (strncmp (level
, "1.1", 3) == 0)
6919 input_line_pointer
+= 3;
6920 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6921 as_warn (_("could not set architecture and machine"));
6923 else if (strncmp (level
, "2.0w", 4) == 0)
6925 input_line_pointer
+= 4;
6926 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6927 as_warn (_("could not set architecture and machine"));
6929 else if (strncmp (level
, "2.0", 3) == 0)
6931 input_line_pointer
+= 3;
6932 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6933 as_warn (_("could not set architecture and machine"));
6937 as_bad (_("Unrecognized .LEVEL argument\n"));
6938 ignore_rest_of_line ();
6940 demand_empty_rest_of_line ();
6943 /* Handle a .ORIGIN pseudo-op. */
6947 int unused ATTRIBUTE_UNUSED
;
6950 /* We must have a valid space and subspace. */
6951 pa_check_current_space_and_subspace ();
6955 pa_undefine_label ();
6958 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6959 is for static functions. FIXME. Should share more code with .EXPORT. */
6963 int unused ATTRIBUTE_UNUSED
;
6968 name
= input_line_pointer
;
6969 c
= get_symbol_end ();
6971 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6973 as_bad (_("Cannot define static symbol: %s\n"), name
);
6974 p
= input_line_pointer
;
6976 input_line_pointer
++;
6980 S_CLEAR_EXTERNAL (symbol
);
6981 p
= input_line_pointer
;
6983 if (!is_end_of_statement ())
6985 input_line_pointer
++;
6986 pa_type_args (symbol
, 0);
6990 demand_empty_rest_of_line ();
6993 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6994 of a procedure from a syntactical point of view. */
6998 int unused ATTRIBUTE_UNUSED
;
7000 struct call_info
*call_info
;
7003 /* We must have a valid space and subspace. */
7004 pa_check_current_space_and_subspace ();
7007 if (within_procedure
)
7008 as_fatal (_("Nested procedures"));
7010 /* Reset global variables for new procedure. */
7011 callinfo_found
= FALSE
;
7012 within_procedure
= TRUE
;
7014 /* Create another call_info structure. */
7015 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7018 as_fatal (_("Cannot allocate unwind descriptor\n"));
7020 memset (call_info
, 0, sizeof (struct call_info
));
7022 call_info
->ci_next
= NULL
;
7024 if (call_info_root
== NULL
)
7026 call_info_root
= call_info
;
7027 last_call_info
= call_info
;
7031 last_call_info
->ci_next
= call_info
;
7032 last_call_info
= call_info
;
7035 /* set up defaults on call_info structure */
7037 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7038 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7039 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7041 /* If we got a .PROC pseudo-op, we know that the function is defined
7042 locally. Make sure it gets into the symbol table. */
7044 label_symbol_struct
*label_symbol
= pa_get_label ();
7048 if (label_symbol
->lss_label
)
7050 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7051 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7054 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7057 last_call_info
->start_symbol
= NULL
;
7060 demand_empty_rest_of_line ();
7063 /* Process the syntatical end of a procedure. Make sure all the
7064 appropriate pseudo-ops were found within the procedure. */
7068 int unused ATTRIBUTE_UNUSED
;
7072 /* We must have a valid space and subspace. */
7073 pa_check_current_space_and_subspace ();
7076 /* If we are within a procedure definition, make sure we've
7077 defined a label for the procedure; handle case where the
7078 label was defined after the .PROC directive.
7080 Note there's not need to diddle with the segment or fragment
7081 for the label symbol in this case. We have already switched
7082 into the new $CODE$ subspace at this point. */
7083 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7085 label_symbol_struct
*label_symbol
= pa_get_label ();
7089 if (label_symbol
->lss_label
)
7091 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7092 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7095 /* Also handle allocation of a fixup to hold the unwind
7096 information when the label appears after the proc/procend. */
7097 if (within_entry_exit
)
7102 where
= frag_more (0);
7103 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7104 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7105 NULL
, (offsetT
) 0, NULL
,
7106 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7111 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7114 as_bad (_("Missing function name for .PROC"));
7117 if (!within_procedure
)
7118 as_bad (_("misplaced .procend"));
7120 if (!callinfo_found
)
7121 as_bad (_("Missing .callinfo for this procedure"));
7123 if (within_entry_exit
)
7124 as_bad (_("Missing .EXIT for a .ENTRY"));
7127 /* ELF needs to mark the end of each function so that it can compute
7128 the size of the function (apparently its needed in the symbol table). */
7129 hppa_elf_mark_end_of_function ();
7132 within_procedure
= FALSE
;
7133 demand_empty_rest_of_line ();
7134 pa_undefine_label ();
7138 /* If VALUE is an exact power of two between zero and 2^31, then
7139 return log2 (VALUE). Else return -1. */
7147 while ((1 << shift
) != value
&& shift
< 32)
7156 /* Check to make sure we have a valid space and subspace. */
7159 pa_check_current_space_and_subspace ()
7161 if (current_space
== NULL
)
7162 as_fatal (_("Not in a space.\n"));
7164 if (current_subspace
== NULL
)
7165 as_fatal (_("Not in a subspace.\n"));
7168 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7169 then create a new space entry to hold the information specified
7170 by the parameters to the .SPACE directive. */
7172 static sd_chain_struct
*
7173 pa_parse_space_stmt (space_name
, create_flag
)
7177 char *name
, *ptemp
, c
;
7178 char loadable
, defined
, private, sort
;
7180 asection
*seg
= NULL
;
7181 sd_chain_struct
*space
;
7183 /* load default values */
7189 if (strcmp (space_name
, "$TEXT$") == 0)
7191 seg
= pa_def_spaces
[0].segment
;
7192 defined
= pa_def_spaces
[0].defined
;
7193 private = pa_def_spaces
[0].private;
7194 sort
= pa_def_spaces
[0].sort
;
7195 spnum
= pa_def_spaces
[0].spnum
;
7197 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7199 seg
= pa_def_spaces
[1].segment
;
7200 defined
= pa_def_spaces
[1].defined
;
7201 private = pa_def_spaces
[1].private;
7202 sort
= pa_def_spaces
[1].sort
;
7203 spnum
= pa_def_spaces
[1].spnum
;
7206 if (!is_end_of_statement ())
7208 print_errors
= FALSE
;
7209 ptemp
= input_line_pointer
+ 1;
7210 /* First see if the space was specified as a number rather than
7211 as a name. According to the PA assembly manual the rest of
7212 the line should be ignored. */
7214 pa_parse_number (&ptemp
, 0);
7218 input_line_pointer
= ptemp
;
7222 while (!is_end_of_statement ())
7224 input_line_pointer
++;
7225 name
= input_line_pointer
;
7226 c
= get_symbol_end ();
7227 if ((strncasecmp (name
, "spnum", 5) == 0))
7229 *input_line_pointer
= c
;
7230 input_line_pointer
++;
7231 spnum
= get_absolute_expression ();
7233 else if ((strncasecmp (name
, "sort", 4) == 0))
7235 *input_line_pointer
= c
;
7236 input_line_pointer
++;
7237 sort
= get_absolute_expression ();
7239 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7241 *input_line_pointer
= c
;
7244 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7246 *input_line_pointer
= c
;
7249 else if ((strncasecmp (name
, "private", 7) == 0))
7251 *input_line_pointer
= c
;
7256 as_bad (_("Invalid .SPACE argument"));
7257 *input_line_pointer
= c
;
7258 if (!is_end_of_statement ())
7259 input_line_pointer
++;
7263 print_errors
= TRUE
;
7266 if (create_flag
&& seg
== NULL
)
7267 seg
= subseg_new (space_name
, 0);
7269 /* If create_flag is nonzero, then create the new space with
7270 the attributes computed above. Else set the values in
7271 an already existing space -- this can only happen for
7272 the first occurence of a built-in space. */
7274 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7275 private, sort
, seg
, 1);
7278 space
= is_defined_space (space_name
);
7279 SPACE_SPNUM (space
) = spnum
;
7280 SPACE_DEFINED (space
) = defined
& 1;
7281 SPACE_USER_DEFINED (space
) = 1;
7284 #ifdef obj_set_section_attributes
7285 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7291 /* Handle a .SPACE pseudo-op; this switches the current space to the
7292 given space, creating the new space if necessary. */
7296 int unused ATTRIBUTE_UNUSED
;
7298 char *name
, c
, *space_name
, *save_s
;
7299 sd_chain_struct
*sd_chain
;
7301 if (within_procedure
)
7303 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7304 ignore_rest_of_line ();
7308 /* Check for some of the predefined spaces. FIXME: most of the code
7309 below is repeated several times, can we extract the common parts
7310 and place them into a subroutine or something similar? */
7311 /* FIXME Is this (and the next IF stmt) really right?
7312 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7313 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7315 input_line_pointer
+= 6;
7316 sd_chain
= is_defined_space ("$TEXT$");
7317 if (sd_chain
== NULL
)
7318 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7319 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7320 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7322 current_space
= sd_chain
;
7323 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7325 = pa_subsegment_to_subspace (text_section
,
7326 sd_chain
->sd_last_subseg
);
7327 demand_empty_rest_of_line ();
7330 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7332 input_line_pointer
+= 9;
7333 sd_chain
= is_defined_space ("$PRIVATE$");
7334 if (sd_chain
== NULL
)
7335 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7336 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7337 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7339 current_space
= sd_chain
;
7340 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7342 = pa_subsegment_to_subspace (data_section
,
7343 sd_chain
->sd_last_subseg
);
7344 demand_empty_rest_of_line ();
7347 if (!strncasecmp (input_line_pointer
,
7348 GDB_DEBUG_SPACE_NAME
,
7349 strlen (GDB_DEBUG_SPACE_NAME
)))
7351 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7352 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7353 if (sd_chain
== NULL
)
7354 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7355 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7356 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7358 current_space
= sd_chain
;
7361 asection
*gdb_section
7362 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7364 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7366 = pa_subsegment_to_subspace (gdb_section
,
7367 sd_chain
->sd_last_subseg
);
7369 demand_empty_rest_of_line ();
7373 /* It could be a space specified by number. */
7375 save_s
= input_line_pointer
;
7377 pa_parse_number (&input_line_pointer
, 0);
7380 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7382 current_space
= sd_chain
;
7384 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7386 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7387 sd_chain
->sd_last_subseg
);
7388 demand_empty_rest_of_line ();
7393 /* Not a number, attempt to create a new space. */
7395 input_line_pointer
= save_s
;
7396 name
= input_line_pointer
;
7397 c
= get_symbol_end ();
7398 space_name
= xmalloc (strlen (name
) + 1);
7399 strcpy (space_name
, name
);
7400 *input_line_pointer
= c
;
7402 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7403 current_space
= sd_chain
;
7405 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7406 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7407 sd_chain
->sd_last_subseg
);
7408 demand_empty_rest_of_line ();
7412 /* Switch to a new space. (I think). FIXME. */
7416 int unused ATTRIBUTE_UNUSED
;
7421 sd_chain_struct
*space
;
7423 name
= input_line_pointer
;
7424 c
= get_symbol_end ();
7425 space
= is_defined_space (name
);
7429 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7432 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7434 *input_line_pointer
= c
;
7435 demand_empty_rest_of_line ();
7438 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7439 given subspace, creating the new subspace if necessary.
7441 FIXME. Should mirror pa_space more closely, in particular how
7442 they're broken up into subroutines. */
7445 pa_subspace (create_new
)
7448 char *name
, *ss_name
, c
;
7449 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
7450 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7451 sd_chain_struct
*space
;
7452 ssd_chain_struct
*ssd
;
7455 if (current_space
== NULL
)
7456 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7458 if (within_procedure
)
7460 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7461 ignore_rest_of_line ();
7465 name
= input_line_pointer
;
7466 c
= get_symbol_end ();
7467 ss_name
= xmalloc (strlen (name
) + 1);
7468 strcpy (ss_name
, name
);
7469 *input_line_pointer
= c
;
7471 /* Load default values. */
7483 space
= current_space
;
7487 ssd
= is_defined_subspace (ss_name
);
7488 /* Allow user to override the builtin attributes of subspaces. But
7489 only allow the attributes to be changed once! */
7490 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7492 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7493 current_subspace
= ssd
;
7494 if (!is_end_of_statement ())
7495 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7496 demand_empty_rest_of_line ();
7501 /* A new subspace. Load default values if it matches one of
7502 the builtin subspaces. */
7504 while (pa_def_subspaces
[i
].name
)
7506 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7508 loadable
= pa_def_subspaces
[i
].loadable
;
7509 common
= pa_def_subspaces
[i
].common
;
7510 dup_common
= pa_def_subspaces
[i
].dup_common
;
7511 code_only
= pa_def_subspaces
[i
].code_only
;
7512 zero
= pa_def_subspaces
[i
].zero
;
7513 space_index
= pa_def_subspaces
[i
].space_index
;
7514 alignment
= pa_def_subspaces
[i
].alignment
;
7515 quadrant
= pa_def_subspaces
[i
].quadrant
;
7516 access
= pa_def_subspaces
[i
].access
;
7517 sort
= pa_def_subspaces
[i
].sort
;
7524 /* We should be working with a new subspace now. Fill in
7525 any information as specified by the user. */
7526 if (!is_end_of_statement ())
7528 input_line_pointer
++;
7529 while (!is_end_of_statement ())
7531 name
= input_line_pointer
;
7532 c
= get_symbol_end ();
7533 if ((strncasecmp (name
, "quad", 4) == 0))
7535 *input_line_pointer
= c
;
7536 input_line_pointer
++;
7537 quadrant
= get_absolute_expression ();
7539 else if ((strncasecmp (name
, "align", 5) == 0))
7541 *input_line_pointer
= c
;
7542 input_line_pointer
++;
7543 alignment
= get_absolute_expression ();
7544 if (log2 (alignment
) == -1)
7546 as_bad (_("Alignment must be a power of 2"));
7550 else if ((strncasecmp (name
, "access", 6) == 0))
7552 *input_line_pointer
= c
;
7553 input_line_pointer
++;
7554 access
= get_absolute_expression ();
7556 else if ((strncasecmp (name
, "sort", 4) == 0))
7558 *input_line_pointer
= c
;
7559 input_line_pointer
++;
7560 sort
= get_absolute_expression ();
7562 else if ((strncasecmp (name
, "code_only", 9) == 0))
7564 *input_line_pointer
= c
;
7567 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7569 *input_line_pointer
= c
;
7572 else if ((strncasecmp (name
, "common", 6) == 0))
7574 *input_line_pointer
= c
;
7577 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7579 *input_line_pointer
= c
;
7582 else if ((strncasecmp (name
, "zero", 4) == 0))
7584 *input_line_pointer
= c
;
7587 else if ((strncasecmp (name
, "first", 5) == 0))
7588 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7590 as_bad (_("Invalid .SUBSPACE argument"));
7591 if (!is_end_of_statement ())
7592 input_line_pointer
++;
7596 /* Compute a reasonable set of BFD flags based on the information
7597 in the .subspace directive. */
7598 applicable
= bfd_applicable_section_flags (stdoutput
);
7601 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7604 if (common
|| dup_common
)
7605 flags
|= SEC_IS_COMMON
;
7607 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7609 /* This is a zero-filled subspace (eg BSS). */
7611 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7613 applicable
&= flags
;
7615 /* If this is an existing subspace, then we want to use the
7616 segment already associated with the subspace.
7618 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7619 lots of sections. It might be a problem in the PA ELF
7620 code, I do not know yet. For now avoid creating anything
7621 but the "standard" sections for ELF. */
7623 section
= subseg_force_new (ss_name
, 0);
7625 section
= ssd
->ssd_seg
;
7627 section
= subseg_new (ss_name
, 0);
7630 seg_info (section
)->bss
= 1;
7632 /* Now set the flags. */
7633 bfd_set_section_flags (stdoutput
, section
, applicable
);
7635 /* Record any alignment request for this section. */
7636 record_alignment (section
, log2 (alignment
));
7638 /* Set the starting offset for this section. */
7639 bfd_set_section_vma (stdoutput
, section
,
7640 pa_subspace_start (space
, quadrant
));
7642 /* Now that all the flags are set, update an existing subspace,
7643 or create a new one. */
7646 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7647 code_only
, common
, dup_common
,
7648 sort
, zero
, access
, space_index
,
7649 alignment
, quadrant
,
7652 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7654 dup_common
, zero
, sort
,
7655 access
, space_index
,
7656 alignment
, quadrant
, section
);
7658 demand_empty_rest_of_line ();
7659 current_subspace
->ssd_seg
= section
;
7660 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7662 SUBSPACE_DEFINED (current_subspace
) = 1;
7665 /* Create default space and subspace dictionaries. */
7672 space_dict_root
= NULL
;
7673 space_dict_last
= NULL
;
7676 while (pa_def_spaces
[i
].name
)
7680 /* Pick the right name to use for the new section. */
7681 name
= pa_def_spaces
[i
].name
;
7683 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7684 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7685 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7686 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7687 pa_def_spaces
[i
].segment
, 0);
7692 while (pa_def_subspaces
[i
].name
)
7695 int applicable
, subsegment
;
7696 asection
*segment
= NULL
;
7697 sd_chain_struct
*space
;
7699 /* Pick the right name for the new section and pick the right
7700 subsegment number. */
7701 name
= pa_def_subspaces
[i
].name
;
7704 /* Create the new section. */
7705 segment
= subseg_new (name
, subsegment
);
7707 /* For SOM we want to replace the standard .text, .data, and .bss
7708 sections with our own. We also want to set BFD flags for
7709 all the built-in subspaces. */
7710 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7712 text_section
= segment
;
7713 applicable
= bfd_applicable_section_flags (stdoutput
);
7714 bfd_set_section_flags (stdoutput
, segment
,
7715 applicable
& (SEC_ALLOC
| SEC_LOAD
7716 | SEC_RELOC
| SEC_CODE
7718 | SEC_HAS_CONTENTS
));
7720 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7722 data_section
= segment
;
7723 applicable
= bfd_applicable_section_flags (stdoutput
);
7724 bfd_set_section_flags (stdoutput
, segment
,
7725 applicable
& (SEC_ALLOC
| SEC_LOAD
7727 | SEC_HAS_CONTENTS
));
7730 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7732 bss_section
= segment
;
7733 applicable
= bfd_applicable_section_flags (stdoutput
);
7734 bfd_set_section_flags (stdoutput
, segment
,
7735 applicable
& SEC_ALLOC
);
7737 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7739 applicable
= bfd_applicable_section_flags (stdoutput
);
7740 bfd_set_section_flags (stdoutput
, segment
,
7741 applicable
& (SEC_ALLOC
| SEC_LOAD
7744 | SEC_HAS_CONTENTS
));
7746 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7748 applicable
= bfd_applicable_section_flags (stdoutput
);
7749 bfd_set_section_flags (stdoutput
, segment
,
7750 applicable
& (SEC_ALLOC
| SEC_LOAD
7753 | SEC_HAS_CONTENTS
));
7755 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7757 applicable
= bfd_applicable_section_flags (stdoutput
);
7758 bfd_set_section_flags (stdoutput
, segment
,
7759 applicable
& (SEC_ALLOC
| SEC_LOAD
7762 | SEC_HAS_CONTENTS
));
7765 /* Find the space associated with this subspace. */
7766 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7767 def_space_index
].segment
);
7770 as_fatal (_("Internal error: Unable to find containing space for %s."),
7771 pa_def_subspaces
[i
].name
);
7774 create_new_subspace (space
, name
,
7775 pa_def_subspaces
[i
].loadable
,
7776 pa_def_subspaces
[i
].code_only
,
7777 pa_def_subspaces
[i
].common
,
7778 pa_def_subspaces
[i
].dup_common
,
7779 pa_def_subspaces
[i
].zero
,
7780 pa_def_subspaces
[i
].sort
,
7781 pa_def_subspaces
[i
].access
,
7782 pa_def_subspaces
[i
].space_index
,
7783 pa_def_subspaces
[i
].alignment
,
7784 pa_def_subspaces
[i
].quadrant
,
7790 /* Create a new space NAME, with the appropriate flags as defined
7791 by the given parameters. */
7793 static sd_chain_struct
*
7794 create_new_space (name
, spnum
, loadable
, defined
, private,
7795 sort
, seg
, user_defined
)
7805 sd_chain_struct
*chain_entry
;
7807 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7809 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7812 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7813 strcpy (SPACE_NAME (chain_entry
), name
);
7814 SPACE_DEFINED (chain_entry
) = defined
;
7815 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7816 SPACE_SPNUM (chain_entry
) = spnum
;
7818 chain_entry
->sd_seg
= seg
;
7819 chain_entry
->sd_last_subseg
= -1;
7820 chain_entry
->sd_subspaces
= NULL
;
7821 chain_entry
->sd_next
= NULL
;
7823 /* Find spot for the new space based on its sort key. */
7824 if (!space_dict_last
)
7825 space_dict_last
= chain_entry
;
7827 if (space_dict_root
== NULL
)
7828 space_dict_root
= chain_entry
;
7831 sd_chain_struct
*chain_pointer
;
7832 sd_chain_struct
*prev_chain_pointer
;
7834 chain_pointer
= space_dict_root
;
7835 prev_chain_pointer
= NULL
;
7837 while (chain_pointer
)
7839 prev_chain_pointer
= chain_pointer
;
7840 chain_pointer
= chain_pointer
->sd_next
;
7843 /* At this point we've found the correct place to add the new
7844 entry. So add it and update the linked lists as appropriate. */
7845 if (prev_chain_pointer
)
7847 chain_entry
->sd_next
= chain_pointer
;
7848 prev_chain_pointer
->sd_next
= chain_entry
;
7852 space_dict_root
= chain_entry
;
7853 chain_entry
->sd_next
= chain_pointer
;
7856 if (chain_entry
->sd_next
== NULL
)
7857 space_dict_last
= chain_entry
;
7860 /* This is here to catch predefined spaces which do not get
7861 modified by the user's input. Another call is found at
7862 the bottom of pa_parse_space_stmt to handle cases where
7863 the user modifies a predefined space. */
7864 #ifdef obj_set_section_attributes
7865 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7871 /* Create a new subspace NAME, with the appropriate flags as defined
7872 by the given parameters.
7874 Add the new subspace to the subspace dictionary chain in numerical
7875 order as defined by the SORT entries. */
7877 static ssd_chain_struct
*
7878 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7879 dup_common
, is_zero
, sort
, access
, space_index
,
7880 alignment
, quadrant
, seg
)
7881 sd_chain_struct
*space
;
7883 int loadable
, code_only
, common
, dup_common
, is_zero
;
7891 ssd_chain_struct
*chain_entry
;
7893 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7895 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7897 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7898 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7900 /* Initialize subspace_defined. When we hit a .subspace directive
7901 we'll set it to 1 which "locks-in" the subspace attributes. */
7902 SUBSPACE_DEFINED (chain_entry
) = 0;
7904 chain_entry
->ssd_subseg
= 0;
7905 chain_entry
->ssd_seg
= seg
;
7906 chain_entry
->ssd_next
= NULL
;
7908 /* Find spot for the new subspace based on its sort key. */
7909 if (space
->sd_subspaces
== NULL
)
7910 space
->sd_subspaces
= chain_entry
;
7913 ssd_chain_struct
*chain_pointer
;
7914 ssd_chain_struct
*prev_chain_pointer
;
7916 chain_pointer
= space
->sd_subspaces
;
7917 prev_chain_pointer
= NULL
;
7919 while (chain_pointer
)
7921 prev_chain_pointer
= chain_pointer
;
7922 chain_pointer
= chain_pointer
->ssd_next
;
7925 /* Now we have somewhere to put the new entry. Insert it and update
7927 if (prev_chain_pointer
)
7929 chain_entry
->ssd_next
= chain_pointer
;
7930 prev_chain_pointer
->ssd_next
= chain_entry
;
7934 space
->sd_subspaces
= chain_entry
;
7935 chain_entry
->ssd_next
= chain_pointer
;
7939 #ifdef obj_set_subsection_attributes
7940 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7947 /* Update the information for the given subspace based upon the
7948 various arguments. Return the modified subspace chain entry. */
7950 static ssd_chain_struct
*
7951 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7952 zero
, access
, space_index
, alignment
, quadrant
, section
)
7953 sd_chain_struct
*space
;
7967 ssd_chain_struct
*chain_entry
;
7969 chain_entry
= is_defined_subspace (name
);
7971 #ifdef obj_set_subsection_attributes
7972 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7979 /* Return the space chain entry for the space with the name NAME or
7980 NULL if no such space exists. */
7982 static sd_chain_struct
*
7983 is_defined_space (name
)
7986 sd_chain_struct
*chain_pointer
;
7988 for (chain_pointer
= space_dict_root
;
7990 chain_pointer
= chain_pointer
->sd_next
)
7992 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7993 return chain_pointer
;
7996 /* No mapping from segment to space was found. Return NULL. */
8000 /* Find and return the space associated with the given seg. If no mapping
8001 from the given seg to a space is found, then return NULL.
8003 Unlike subspaces, the number of spaces is not expected to grow much,
8004 so a linear exhaustive search is OK here. */
8006 static sd_chain_struct
*
8007 pa_segment_to_space (seg
)
8010 sd_chain_struct
*space_chain
;
8012 /* Walk through each space looking for the correct mapping. */
8013 for (space_chain
= space_dict_root
;
8015 space_chain
= space_chain
->sd_next
)
8017 if (space_chain
->sd_seg
== seg
)
8021 /* Mapping was not found. Return NULL. */
8025 /* Return the space chain entry for the subspace with the name NAME or
8026 NULL if no such subspace exists.
8028 Uses a linear search through all the spaces and subspaces, this may
8029 not be appropriate if we ever being placing each function in its
8032 static ssd_chain_struct
*
8033 is_defined_subspace (name
)
8036 sd_chain_struct
*space_chain
;
8037 ssd_chain_struct
*subspace_chain
;
8039 /* Walk through each space. */
8040 for (space_chain
= space_dict_root
;
8042 space_chain
= space_chain
->sd_next
)
8044 /* Walk through each subspace looking for a name which matches. */
8045 for (subspace_chain
= space_chain
->sd_subspaces
;
8047 subspace_chain
= subspace_chain
->ssd_next
)
8048 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8049 return subspace_chain
;
8052 /* Subspace wasn't found. Return NULL. */
8056 /* Find and return the subspace associated with the given seg. If no
8057 mapping from the given seg to a subspace is found, then return NULL.
8059 If we ever put each procedure/function within its own subspace
8060 (to make life easier on the compiler and linker), then this will have
8061 to become more efficient. */
8063 static ssd_chain_struct
*
8064 pa_subsegment_to_subspace (seg
, subseg
)
8068 sd_chain_struct
*space_chain
;
8069 ssd_chain_struct
*subspace_chain
;
8071 /* Walk through each space. */
8072 for (space_chain
= space_dict_root
;
8074 space_chain
= space_chain
->sd_next
)
8076 if (space_chain
->sd_seg
== seg
)
8078 /* Walk through each subspace within each space looking for
8079 the correct mapping. */
8080 for (subspace_chain
= space_chain
->sd_subspaces
;
8082 subspace_chain
= subspace_chain
->ssd_next
)
8083 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8084 return subspace_chain
;
8088 /* No mapping from subsegment to subspace found. Return NULL. */
8092 /* Given a number, try and find a space with the name number.
8094 Return a pointer to a space dictionary chain entry for the space
8095 that was found or NULL on failure. */
8097 static sd_chain_struct
*
8098 pa_find_space_by_number (number
)
8101 sd_chain_struct
*space_chain
;
8103 for (space_chain
= space_dict_root
;
8105 space_chain
= space_chain
->sd_next
)
8107 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8111 /* No appropriate space found. Return NULL. */
8115 /* Return the starting address for the given subspace. If the starting
8116 address is unknown then return zero. */
8119 pa_subspace_start (space
, quadrant
)
8120 sd_chain_struct
*space
;
8123 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8124 is not correct for the PA OSF1 port. */
8125 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8127 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8134 /* FIXME. Needs documentation. */
8136 pa_next_subseg (space
)
8137 sd_chain_struct
*space
;
8140 space
->sd_last_subseg
++;
8141 return space
->sd_last_subseg
;
8145 /* Helper function for pa_stringer. Used to find the end of
8152 unsigned int c
= *s
& CHAR_MASK
;
8165 /* Handle a .STRING type pseudo-op. */
8168 pa_stringer (append_zero
)
8171 char *s
, num_buf
[4];
8175 /* Preprocess the string to handle PA-specific escape sequences.
8176 For example, \xDD where DD is a hexadecimal number should be
8177 changed to \OOO where OOO is an octal number. */
8180 /* We must have a valid space and subspace. */
8181 pa_check_current_space_and_subspace ();
8184 /* Skip the opening quote. */
8185 s
= input_line_pointer
+ 1;
8187 while (is_a_char (c
= pa_stringer_aux (s
++)))
8194 /* Handle \x<num>. */
8197 unsigned int number
;
8202 /* Get past the 'x'. */
8204 for (num_digit
= 0, number
= 0, dg
= *s
;
8206 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8207 || (dg
>= 'A' && dg
<= 'F'));
8211 number
= number
* 16 + dg
- '0';
8212 else if (dg
>= 'a' && dg
<= 'f')
8213 number
= number
* 16 + dg
- 'a' + 10;
8215 number
= number
* 16 + dg
- 'A' + 10;
8225 sprintf (num_buf
, "%02o", number
);
8228 sprintf (num_buf
, "%03o", number
);
8231 for (i
= 0; i
<= num_digit
; i
++)
8232 s_start
[i
] = num_buf
[i
];
8236 /* This might be a "\"", skip over the escaped char. */
8243 stringer (append_zero
);
8244 pa_undefine_label ();
8247 /* Handle a .VERSION pseudo-op. */
8251 int unused ATTRIBUTE_UNUSED
;
8254 pa_undefine_label ();
8259 /* Handle a .COMPILER pseudo-op. */
8262 pa_compiler (unused
)
8263 int unused ATTRIBUTE_UNUSED
;
8265 obj_som_compiler (0);
8266 pa_undefine_label ();
8271 /* Handle a .COPYRIGHT pseudo-op. */
8274 pa_copyright (unused
)
8275 int unused ATTRIBUTE_UNUSED
;
8278 pa_undefine_label ();
8281 /* Just like a normal cons, but when finished we have to undefine
8282 the latest space label. */
8289 pa_undefine_label ();
8292 /* Like float_cons, but we need to undefine our label. */
8295 pa_float_cons (float_type
)
8298 float_cons (float_type
);
8299 pa_undefine_label ();
8302 /* Like s_fill, but delete our label when finished. */
8306 int unused ATTRIBUTE_UNUSED
;
8309 /* We must have a valid space and subspace. */
8310 pa_check_current_space_and_subspace ();
8314 pa_undefine_label ();
8317 /* Like lcomm, but delete our label when finished. */
8320 pa_lcomm (needs_align
)
8324 /* We must have a valid space and subspace. */
8325 pa_check_current_space_and_subspace ();
8328 s_lcomm (needs_align
);
8329 pa_undefine_label ();
8332 /* Like lsym, but delete our label when finished. */
8336 int unused ATTRIBUTE_UNUSED
;
8339 /* We must have a valid space and subspace. */
8340 pa_check_current_space_and_subspace ();
8344 pa_undefine_label ();
8347 /* On the PA relocations which involve function symbols must not be
8348 adjusted. This so that the linker can know when/how to create argument
8349 relocation stubs for indirect calls and calls to static functions.
8351 "T" field selectors create DLT relative fixups for accessing
8352 globals and statics in PIC code; each DLT relative fixup creates
8353 an entry in the DLT table. The entries contain the address of
8354 the final target (eg accessing "foo" would create a DLT entry
8355 with the address of "foo").
8357 Unfortunately, the HP linker doesn't take into account any addend
8358 when generating the DLT; so accessing $LIT$+8 puts the address of
8359 $LIT$ into the DLT rather than the address of $LIT$+8.
8361 The end result is we can't perform relocation symbol reductions for
8362 any fixup which creates entries in the DLT (eg they use "T" field
8365 Reject reductions involving symbols with external scope; such
8366 reductions make life a living hell for object file editors.
8368 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8369 the code space. The SOM BFD backend doesn't know how to pull the
8370 right bits out of an instruction. */
8373 hppa_fix_adjustable (fixp
)
8376 struct hppa_fix_struct
*hppa_fix
;
8378 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8381 /* Reject reductions of symbols in 32bit relocs. */
8382 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
8387 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8388 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8392 if (fixp
->fx_addsy
&& (S_IS_EXTERNAL (fixp
->fx_addsy
)
8393 || S_IS_WEAK (fixp
->fx_addsy
)))
8396 /* Reject reductions of symbols in sym1-sym2 expressions when
8397 the fixup will occur in a CODE subspace.
8399 XXX FIXME: Long term we probably want to reject all of these;
8400 for example reducing in the debug section would lose if we ever
8401 supported using the optimizing hp linker. */
8404 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8406 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
8407 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
8411 /* We can't adjust any relocs that use LR% and RR% field selectors.
8413 If a symbol is reduced to a section symbol, the assembler will
8414 adjust the addend unless the symbol happens to reside right at
8415 the start of the section. Additionally, the linker has no choice
8416 but to manipulate the addends when coalescing input sections for
8417 "ld -r". Since an LR% field selector is defined to round the
8418 addend, we can't change the addend without risking that a LR% and
8419 it's corresponding (possible multiple) RR% field will no longer
8420 sum to the right value.
8423 . ldil LR%foo+0,%r21
8424 . ldw RR%foo+0(%r21),%r26
8425 . ldw RR%foo+4(%r21),%r25
8427 If foo is at address 4092 (decimal) in section `sect', then after
8428 reducing to the section symbol we get
8429 . LR%sect+4092 == (L%sect)+0
8430 . RR%sect+4092 == (R%sect)+4092
8431 . RR%sect+4096 == (R%sect)-4096
8432 and the last address loses because rounding the addend to 8k
8433 mutiples takes us up to 8192 with an offset of -4096.
8435 In cases where the LR% expression is identical to the RR% one we
8436 will never have a problem, but is so happens that gcc rounds
8437 addends involved in LR% field selectors to work around a HP
8438 linker bug. ie. We often have addresses like the last case
8439 above where the LR% expression is offset from the RR% one. */
8441 if (hppa_fix
->fx_r_field
== e_lrsel
8442 || hppa_fix
->fx_r_field
== e_rrsel
8443 || hppa_fix
->fx_r_field
== e_nlrsel
)
8446 /* Reject reductions of symbols in DLT relative relocs,
8447 relocations with plabels. */
8448 if (hppa_fix
->fx_r_field
== e_tsel
8449 || hppa_fix
->fx_r_field
== e_ltsel
8450 || hppa_fix
->fx_r_field
== e_rtsel
8451 || hppa_fix
->fx_r_field
== e_psel
8452 || hppa_fix
->fx_r_field
== e_rpsel
8453 || hppa_fix
->fx_r_field
== e_lpsel
)
8456 /* Reject absolute calls (jumps). */
8457 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8460 /* Reject reductions of function symbols. */
8461 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8467 /* Return nonzero if the fixup in FIXP will require a relocation,
8468 even it if appears that the fixup could be completely handled
8472 hppa_force_relocation (fixp
)
8475 struct hppa_fix_struct
*hppa_fixp
;
8477 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8479 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8480 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8481 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8482 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8483 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8484 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8485 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8486 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8490 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8491 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8495 assert (fixp
->fx_addsy
!= NULL
);
8497 /* Ensure we emit a relocation for global symbols so that dynamic
8499 if (S_IS_EXTERNAL (fixp
->fx_addsy
) || S_IS_WEAK (fixp
->fx_addsy
))
8502 /* It is necessary to force PC-relative calls/jumps to have a relocation
8503 entry if they're going to need either an argument relocation or long
8506 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8507 hppa_fixp
->fx_arg_reloc
))
8510 /* Now check to see if we're going to need a long-branch stub. */
8511 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8515 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
8516 - md_pcrel_from (fixp
) - 8);
8517 if (distance
+ 8388608 >= 16777216
8518 || (hppa_fixp
->fx_r_format
== 17 && distance
+ 262144 >= 524288)
8520 || (hppa_fixp
->fx_r_format
== 12 && distance
+ 8192 >= 16384)
8526 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8529 /* No need (yet) to force another relocations to be emitted. */
8533 /* Now for some ELF specific code. FIXME. */
8535 /* Mark the end of a function so that it's possible to compute
8536 the size of the function in hppa_elf_final_processing. */
8539 hppa_elf_mark_end_of_function ()
8541 /* ELF does not have EXIT relocations. All we do is create a
8542 temporary symbol marking the end of the function. */
8545 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8547 /* We have already warned about a missing label,
8548 or other problems. */
8552 name
= (char *) xmalloc (strlen ("L$\001end_")
8553 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8559 strcpy (name
, "L$\001end_");
8560 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8562 /* If we have a .exit followed by a .procend, then the
8563 symbol will have already been defined. */
8564 symbolP
= symbol_find (name
);
8567 /* The symbol has already been defined! This can
8568 happen if we have a .exit followed by a .procend.
8570 This is *not* an error. All we want to do is free
8571 the memory we just allocated for the name and continue. */
8576 /* symbol value should be the offset of the
8577 last instruction of the function */
8578 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8582 S_CLEAR_EXTERNAL (symbolP
);
8583 symbol_table_insert (symbolP
);
8587 last_call_info
->end_symbol
= symbolP
;
8589 as_bad (_("Symbol '%s' could not be created."), name
);
8593 as_bad (_("No memory for symbol name."));
8597 /* For ELF, this function serves one purpose: to setup the st_size
8598 field of STT_FUNC symbols. To do this, we need to scan the
8599 call_info structure list, determining st_size in by taking the
8600 difference in the address of the beginning/end marker symbols. */
8603 elf_hppa_final_processing ()
8605 struct call_info
*call_info_pointer
;
8607 for (call_info_pointer
= call_info_root
;
8609 call_info_pointer
= call_info_pointer
->ci_next
)
8611 elf_symbol_type
*esym
8612 = ((elf_symbol_type
*)
8613 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8614 esym
->internal_elf_sym
.st_size
=
8615 S_GET_VALUE (call_info_pointer
->end_symbol
)
8616 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8621 pa_vtable_entry (ignore
)
8622 int ignore ATTRIBUTE_UNUSED
;
8624 struct fix
*new_fix
;
8626 new_fix
= obj_elf_vtable_entry (0);
8630 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8631 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8632 hppa_fix
->fx_r_type
= R_HPPA
;
8633 hppa_fix
->fx_r_field
= e_fsel
;
8634 hppa_fix
->fx_r_format
= 32;
8635 hppa_fix
->fx_arg_reloc
= 0;
8636 hppa_fix
->segment
= now_seg
;
8637 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8638 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8643 pa_vtable_inherit (ignore
)
8644 int ignore ATTRIBUTE_UNUSED
;
8646 struct fix
*new_fix
;
8648 new_fix
= obj_elf_vtable_inherit (0);
8652 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8653 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8654 hppa_fix
->fx_r_type
= R_HPPA
;
8655 hppa_fix
->fx_r_field
= e_fsel
;
8656 hppa_fix
->fx_r_format
= 32;
8657 hppa_fix
->fx_arg_reloc
= 0;
8658 hppa_fix
->segment
= now_seg
;
8659 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8660 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;