1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989, 93, 94, 95, 96, 97, 98, 1999
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
23 /* HP PA-RISC support was contributed by the Center for Software Science
24 at the University of Utah. */
32 #include "bfd/libhppa.h"
33 #include "bfd/libbfd.h"
35 /* Be careful, this file includes data *declarations*. */
36 #include "opcode/hppa.h"
38 #if defined (OBJ_ELF) && defined (OBJ_SOM)
39 error only one of OBJ_ELF
and OBJ_SOM can be defined
42 /* If we are using ELF, then we probably can support dwarf2 debug
43 records. Furthermore, if we are supporting dwarf2 debug records,
44 then we want to use the assembler support for compact line numbers. */
46 #include "dwarf2dbg.h"
47 struct dwarf2_line_info debug_line
;
50 /* A "convient" place to put object file dependencies which do
51 not need to be seen outside of tc-hppa.c. */
53 /* Object file formats specify relocation types. */
54 typedef elf_hppa_reloc_type reloc_type
;
56 /* Object file formats specify BFD symbol types. */
57 typedef elf_symbol_type obj_symbol_type
;
60 /* How to generate a relocation. */
61 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
63 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
66 /* ELF objects can have versions, but apparently do not have anywhere
67 to store a copyright string. */
68 #define obj_version obj_elf_version
69 #define obj_copyright obj_elf_version
71 #define UNWIND_SECTION_NAME ".PARISC.unwind"
75 /* Names of various debugging spaces/subspaces. */
76 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
77 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
78 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
79 #define UNWIND_SECTION_NAME "$UNWIND$"
81 /* Object file formats specify relocation types. */
82 typedef int reloc_type
;
84 /* SOM objects can have both a version string and a copyright string. */
85 #define obj_version obj_som_version
86 #define obj_copyright obj_som_copyright
88 /* How to generate a relocation. */
89 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
91 /* Object file formats specify BFD symbol types. */
92 typedef som_symbol_type obj_symbol_type
;
94 /* This apparently isn't in older versions of hpux reloc.h. */
96 #define R_DLT_REL 0x78
108 /* Various structures and types used internally in tc-hppa.c. */
110 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
114 unsigned int cannot_unwind
:1;
115 unsigned int millicode
:1;
116 unsigned int millicode_save_rest
:1;
117 unsigned int region_desc
:2;
118 unsigned int save_sr
:2;
119 unsigned int entry_fr
:4;
120 unsigned int entry_gr
:5;
121 unsigned int args_stored
:1;
122 unsigned int call_fr
:5;
123 unsigned int call_gr
:5;
124 unsigned int save_sp
:1;
125 unsigned int save_rp
:1;
126 unsigned int save_rp_in_frame
:1;
127 unsigned int extn_ptr_defined
:1;
128 unsigned int cleanup_defined
:1;
130 unsigned int hpe_interrupt_marker
:1;
131 unsigned int hpux_interrupt_marker
:1;
132 unsigned int reserved
:3;
133 unsigned int frame_size
:27;
138 /* Starting and ending offsets of the region described by
140 unsigned int start_offset
;
141 unsigned int end_offset
;
142 struct unwind_desc descriptor
;
145 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
146 control the entry and exit code they generate. It is also used in
147 creation of the correct stack unwind descriptors.
149 NOTE: GAS does not support .enter and .leave for the generation of
150 prologues and epilogues. FIXME.
152 The fields in structure roughly correspond to the arguments available on the
153 .callinfo pseudo-op. */
157 /* The unwind descriptor being built. */
158 struct unwind_table ci_unwind
;
160 /* Name of this function. */
161 symbolS
*start_symbol
;
163 /* (temporary) symbol used to mark the end of this function. */
166 /* Next entry in the chain. */
167 struct call_info
*ci_next
;
170 /* Operand formats for FP instructions. Note not all FP instructions
171 allow all four formats to be used (for example fmpysub only allows
175 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
179 /* This fully describes the symbol types which may be attached to
180 an EXPORT or IMPORT directive. Only SOM uses this formation
181 (ELF has no need for it). */
185 SYMBOL_TYPE_ABSOLUTE
,
189 SYMBOL_TYPE_MILLICODE
,
191 SYMBOL_TYPE_PRI_PROG
,
192 SYMBOL_TYPE_SEC_PROG
,
196 /* This structure contains information needed to assemble
197 individual instructions. */
200 /* Holds the opcode after parsing by pa_ip. */
201 unsigned long opcode
;
203 /* Holds an expression associated with the current instruction. */
206 /* Does this instruction use PC-relative addressing. */
209 /* Floating point formats for operand1 and operand2. */
210 fp_operand_format fpof1
;
211 fp_operand_format fpof2
;
213 /* Whether or not we saw a truncation request on an fcnv insn. */
216 /* Holds the field selector for this instruction
217 (for example L%, LR%, etc). */
220 /* Holds any argument relocation bits associated with this
221 instruction. (instruction should be some sort of call). */
224 /* The format specification for this instruction. */
227 /* The relocation (if any) associated with this instruction. */
231 /* PA-89 floating point registers are arranged like this:
234 +--------------+--------------+
235 | 0 or 16L | 16 or 16R |
236 +--------------+--------------+
237 | 1 or 17L | 17 or 17R |
238 +--------------+--------------+
246 +--------------+--------------+
247 | 14 or 30L | 30 or 30R |
248 +--------------+--------------+
249 | 15 or 31L | 31 or 31R |
250 +--------------+--------------+
253 The following is a version of pa_parse_number that
254 handles the L/R notation and returns the correct
255 value to put into the instruction register field.
256 The correct value to put into the instruction is
257 encoded in the structure 'pa_11_fp_reg_struct'. */
259 struct pa_11_fp_reg_struct
261 /* The register number. */
268 /* Additional information needed to build argument relocation stubs. */
271 /* The argument relocation specification. */
272 unsigned int arg_reloc
;
274 /* Number of arguments. */
275 unsigned int arg_count
;
279 /* This structure defines an entry in the subspace dictionary
282 struct subspace_dictionary_chain
284 /* Nonzero if this space has been defined by the user code. */
285 unsigned int ssd_defined
;
287 /* Name of this subspace. */
290 /* GAS segment and subsegment associated with this subspace. */
294 /* Next space in the subspace dictionary chain. */
295 struct subspace_dictionary_chain
*ssd_next
;
298 typedef struct subspace_dictionary_chain ssd_chain_struct
;
300 /* This structure defines an entry in the subspace dictionary
303 struct space_dictionary_chain
305 /* Nonzero if this space has been defined by the user code or
306 as a default space. */
307 unsigned int sd_defined
;
309 /* Nonzero if this spaces has been defined by the user code. */
310 unsigned int sd_user_defined
;
312 /* The space number (or index). */
313 unsigned int sd_spnum
;
315 /* The name of this subspace. */
318 /* GAS segment to which this subspace corresponds. */
321 /* Current subsegment number being used. */
324 /* The chain of subspaces contained within this space. */
325 ssd_chain_struct
*sd_subspaces
;
327 /* The next entry in the space dictionary chain. */
328 struct space_dictionary_chain
*sd_next
;
331 typedef struct space_dictionary_chain sd_chain_struct
;
333 /* This structure defines attributes of the default subspace
334 dictionary entries. */
336 struct default_subspace_dict
338 /* Name of the subspace. */
341 /* FIXME. Is this still needed? */
344 /* Nonzero if this subspace is loadable. */
347 /* Nonzero if this subspace contains only code. */
350 /* Nonzero if this is a common subspace. */
353 /* Nonzero if this is a common subspace which allows symbols
354 to be multiply defined. */
357 /* Nonzero if this subspace should be zero filled. */
360 /* Sort key for this subspace. */
363 /* Access control bits for this subspace. Can represent RWX access
364 as well as privilege level changes for gateways. */
367 /* Index of containing space. */
370 /* Alignment (in bytes) of this subspace. */
373 /* Quadrant within space where this subspace should be loaded. */
376 /* An index into the default spaces array. */
379 /* Subsegment associated with this subspace. */
383 /* This structure defines attributes of the default space
384 dictionary entries. */
386 struct default_space_dict
388 /* Name of the space. */
391 /* Space number. It is possible to identify spaces within
392 assembly code numerically! */
395 /* Nonzero if this space is loadable. */
398 /* Nonzero if this space is "defined". FIXME is still needed */
401 /* Nonzero if this space can not be shared. */
404 /* Sort key for this space. */
407 /* Segment associated with this space. */
412 /* Structure for previous label tracking. Needed so that alignments,
413 callinfo declarations, etc can be easily attached to a particular
415 typedef struct label_symbol_struct
417 struct symbol
*lss_label
;
419 sd_chain_struct
*lss_space
;
424 struct label_symbol_struct
*lss_next
;
428 /* Extra information needed to perform fixups (relocations) on the PA. */
429 struct hppa_fix_struct
431 /* The field selector. */
432 enum hppa_reloc_field_selector_type_alt fx_r_field
;
437 /* Format of fixup. */
440 /* Argument relocation bits. */
443 /* The segment this fixup appears in. */
447 /* Structure to hold information about predefined registers. */
455 /* This structure defines the mapping from a FP condition string
456 to a condition number which can be recorded in an instruction. */
463 /* This structure defines a mapping from a field selector
464 string to a field selector type. */
465 struct selector_entry
471 /* Prototypes for functions local to tc-hppa.c. */
474 static void pa_check_current_space_and_subspace
PARAMS ((void));
477 static fp_operand_format pa_parse_fp_format
PARAMS ((char **s
));
478 static void pa_cons
PARAMS ((int));
479 static void pa_data
PARAMS ((int));
480 static void pa_float_cons
PARAMS ((int));
481 static void pa_fill
PARAMS ((int));
482 static void pa_lcomm
PARAMS ((int));
483 static void pa_lsym
PARAMS ((int));
484 static void pa_stringer
PARAMS ((int));
485 static void pa_text
PARAMS ((int));
486 static void pa_version
PARAMS ((int));
487 static int pa_parse_fp_cmp_cond
PARAMS ((char **));
488 static int get_expression
PARAMS ((char *));
489 static int pa_get_absolute_expression
PARAMS ((struct pa_it
*, char **));
490 static int evaluate_absolute
PARAMS ((struct pa_it
*));
491 static unsigned int pa_build_arg_reloc
PARAMS ((char *));
492 static unsigned int pa_align_arg_reloc
PARAMS ((unsigned int, unsigned int));
493 static int pa_parse_nullif
PARAMS ((char **));
494 static int pa_parse_nonneg_cmpsub_cmpltr
PARAMS ((char **, int));
495 static int pa_parse_neg_cmpsub_cmpltr
PARAMS ((char **, int));
496 static int pa_parse_neg_add_cmpltr
PARAMS ((char **, int));
497 static int pa_parse_nonneg_add_cmpltr
PARAMS ((char **, int));
498 static void pa_block
PARAMS ((int));
499 static void pa_brtab
PARAMS ((int));
500 static void pa_try
PARAMS ((int));
501 static void pa_call
PARAMS ((int));
502 static void pa_call_args
PARAMS ((struct call_desc
*));
503 static void pa_callinfo
PARAMS ((int));
504 static void pa_code
PARAMS ((int));
505 static void pa_comm
PARAMS ((int));
506 static void pa_copyright
PARAMS ((int));
507 static void pa_end
PARAMS ((int));
508 static void pa_enter
PARAMS ((int));
509 static void pa_entry
PARAMS ((int));
510 static void pa_equ
PARAMS ((int));
511 static void pa_exit
PARAMS ((int));
512 static void pa_export
PARAMS ((int));
513 static void pa_type_args
PARAMS ((symbolS
*, int));
514 static void pa_import
PARAMS ((int));
515 static void pa_label
PARAMS ((int));
516 static void pa_leave
PARAMS ((int));
517 static void pa_level
PARAMS ((int));
518 static void pa_origin
PARAMS ((int));
519 static void pa_proc
PARAMS ((int));
520 static void pa_procend
PARAMS ((int));
521 static void pa_param
PARAMS ((int));
522 static void pa_undefine_label
PARAMS ((void));
523 static int need_pa11_opcode
PARAMS ((struct pa_it
*,
524 struct pa_11_fp_reg_struct
*));
525 static int pa_parse_number
PARAMS ((char **, struct pa_11_fp_reg_struct
*));
526 static label_symbol_struct
*pa_get_label
PARAMS ((void));
528 static void pa_compiler
PARAMS ((int));
529 static void pa_align
PARAMS ((int));
530 static void pa_space
PARAMS ((int));
531 static void pa_spnum
PARAMS ((int));
532 static void pa_subspace
PARAMS ((int));
533 static sd_chain_struct
*create_new_space
PARAMS ((char *, int, int,
536 static ssd_chain_struct
*create_new_subspace
PARAMS ((sd_chain_struct
*,
541 static ssd_chain_struct
*update_subspace
PARAMS ((sd_chain_struct
*,
542 char *, int, int, int,
546 static sd_chain_struct
*is_defined_space
PARAMS ((char *));
547 static ssd_chain_struct
*is_defined_subspace
PARAMS ((char *));
548 static sd_chain_struct
*pa_segment_to_space
PARAMS ((asection
*));
549 static ssd_chain_struct
*pa_subsegment_to_subspace
PARAMS ((asection
*,
551 static sd_chain_struct
*pa_find_space_by_number
PARAMS ((int));
552 static unsigned int pa_subspace_start
PARAMS ((sd_chain_struct
*, int));
553 static sd_chain_struct
*pa_parse_space_stmt
PARAMS ((char *, int));
554 static int pa_next_subseg
PARAMS ((sd_chain_struct
*));
555 static void pa_spaces_begin
PARAMS ((void));
557 static void pa_ip
PARAMS ((char *));
558 static void fix_new_hppa
PARAMS ((fragS
*, int, int, symbolS
*,
559 long, expressionS
*, int,
560 bfd_reloc_code_real_type
,
561 enum hppa_reloc_field_selector_type_alt
,
563 static int is_end_of_statement
PARAMS ((void));
564 static int reg_name_search
PARAMS ((char *));
565 static int pa_chk_field_selector
PARAMS ((char **));
566 static int is_same_frag
PARAMS ((fragS
*, fragS
*));
567 static void process_exit
PARAMS ((void));
568 static int log2
PARAMS ((int));
569 static unsigned int pa_stringer_aux
PARAMS ((char *));
570 static fp_operand_format pa_parse_fp_cnv_format
PARAMS ((char **s
));
571 static int pa_parse_ftest_gfx_completer
PARAMS ((char **));
574 static void hppa_elf_mark_end_of_function
PARAMS ((void));
575 static void pa_build_unwind_subspace
PARAMS ((struct call_info
*));
578 /* File and gloally scoped variable declarations. */
581 /* Root and final entry in the space chain. */
582 static sd_chain_struct
*space_dict_root
;
583 static sd_chain_struct
*space_dict_last
;
585 /* The current space and subspace. */
586 static sd_chain_struct
*current_space
;
587 static ssd_chain_struct
*current_subspace
;
590 /* Root of the call_info chain. */
591 static struct call_info
*call_info_root
;
593 /* The last call_info (for functions) structure
594 seen so it can be associated with fixups and
596 static struct call_info
*last_call_info
;
598 /* The last call description (for actual calls). */
599 static struct call_desc last_call_desc
;
601 /* handle of the OPCODE hash table */
602 static struct hash_control
*op_hash
= NULL
;
604 /* This array holds the chars that always start a comment. If the
605 pre-processor is disabled, these aren't very useful. */
606 const char comment_chars
[] = ";";
608 /* Table of pseudo ops for the PA. FIXME -- how many of these
609 are now redundant with the overall GAS and the object file
611 const pseudo_typeS md_pseudo_table
[] =
613 /* align pseudo-ops on the PA specify the actual alignment requested,
614 not the log2 of the requested alignment. */
616 {"align", pa_align
, 8},
619 {"align", s_align_bytes
, 8},
621 {"begin_brtab", pa_brtab
, 1},
622 {"begin_try", pa_try
, 1},
623 {"block", pa_block
, 1},
624 {"blockz", pa_block
, 0},
625 {"byte", pa_cons
, 1},
626 {"call", pa_call
, 0},
627 {"callinfo", pa_callinfo
, 0},
628 {"code", pa_code
, 0},
629 {"comm", pa_comm
, 0},
631 {"compiler", pa_compiler
, 0},
633 {"copyright", pa_copyright
, 0},
634 {"data", pa_data
, 0},
635 {"double", pa_float_cons
, 'd'},
636 {"dword", pa_cons
, 8},
638 {"end_brtab", pa_brtab
, 0},
639 {"end_try", pa_try
, 0},
640 {"enter", pa_enter
, 0},
641 {"entry", pa_entry
, 0},
643 {"exit", pa_exit
, 0},
644 {"export", pa_export
, 0},
646 { "file", dwarf2_directive_file
},
648 {"fill", pa_fill
, 0},
649 {"float", pa_float_cons
, 'f'},
650 {"half", pa_cons
, 2},
651 {"import", pa_import
, 0},
653 {"label", pa_label
, 0},
654 {"lcomm", pa_lcomm
, 0},
655 {"leave", pa_leave
, 0},
656 {"level", pa_level
, 0},
658 { "loc", dwarf2_directive_loc
},
660 {"long", pa_cons
, 4},
661 {"lsym", pa_lsym
, 0},
663 {"nsubspa", pa_subspace
, 1},
665 {"octa", pa_cons
, 16},
666 {"org", pa_origin
, 0},
667 {"origin", pa_origin
, 0},
668 {"param", pa_param
, 0},
669 {"proc", pa_proc
, 0},
670 {"procend", pa_procend
, 0},
671 {"quad", pa_cons
, 8},
673 {"short", pa_cons
, 2},
674 {"single", pa_float_cons
, 'f'},
676 {"space", pa_space
, 0},
677 {"spnum", pa_spnum
, 0},
679 {"string", pa_stringer
, 0},
680 {"stringz", pa_stringer
, 1},
682 {"subspa", pa_subspace
, 0},
684 {"text", pa_text
, 0},
685 {"version", pa_version
, 0},
686 {"word", pa_cons
, 4},
690 /* This array holds the chars that only start a comment at the beginning of
691 a line. If the line seems to have the form '# 123 filename'
692 .line and .file directives will appear in the pre-processed output.
694 Note that input_file.c hand checks for '#' at the beginning of the
695 first line of the input file. This is because the compiler outputs
696 #NO_APP at the beginning of its output.
698 Also note that C style comments will always work. */
699 const char line_comment_chars
[] = "#";
701 /* This array holds the characters which act as line separators. */
702 const char line_separator_chars
[] = "!";
704 /* Chars that can be used to separate mant from exp in floating point nums. */
705 const char EXP_CHARS
[] = "eE";
707 /* Chars that mean this number is a floating point constant.
708 As in 0f12.456 or 0d1.2345e12.
710 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
711 changed in read.c. Ideally it shouldn't hae to know abou it at
712 all, but nothing is ideal around here. */
713 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
715 static struct pa_it the_insn
;
717 /* Points to the end of an expression just parsed by get_expressoin
718 and friends. FIXME. This shouldn't be handled with a file-global
720 static char *expr_end
;
722 /* Nonzero if a .callinfo appeared within the current procedure. */
723 static int callinfo_found
;
725 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
726 static int within_entry_exit
;
728 /* Nonzero if the assembler is currently within a procedure definition. */
729 static int within_procedure
;
731 /* Handle on strucutre which keep track of the last symbol
732 seen in each subspace. */
733 static label_symbol_struct
*label_symbols_rootp
= NULL
;
735 /* Holds the last field selector. */
736 static int hppa_field_selector
;
738 /* Nonzero when strict syntax checking is enabled. Zero otherwise.
740 Each opcode in the table has a flag which indicates whether or not
741 strict syntax checking should be enabled for that instruction. */
742 static int strict
= 0;
745 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
746 static symbolS
*dummy_symbol
;
749 /* Nonzero if errors are to be printed. */
750 static int print_errors
= 1;
752 /* List of registers that are pre-defined:
754 Each general register has one predefined name of the form
755 %r<REGNUM> which has the value <REGNUM>.
757 Space and control registers are handled in a similar manner,
758 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
760 Likewise for the floating point registers, but of the form
761 %fr<REGNUM>. Floating point registers have additional predefined
762 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
763 again have the value <REGNUM>.
765 Many registers also have synonyms:
767 %r26 - %r23 have %arg0 - %arg3 as synonyms
768 %r28 - %r29 have %ret0 - %ret1 as synonyms
769 %r30 has %sp as a synonym
770 %r27 has %dp as a synonym
771 %r2 has %rp as a synonym
773 Almost every control register has a synonym; they are not listed
776 The table is sorted. Suitable for searching by a binary search. */
778 static const struct pd_reg pre_defined_registers
[] =
978 /* This table is sorted by order of the length of the string. This is
979 so we check for <> before we check for <. If we had a <> and checked
980 for < first, we would get a false match. */
981 static const struct fp_cond_map fp_cond_map
[] =
1017 static const struct selector_entry selector_table
[] =
1042 /* default space and subspace dictionaries */
1044 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1045 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1047 /* pre-defined subsegments (subspaces) for the HPPA. */
1048 #define SUBSEG_CODE 0
1049 #define SUBSEG_LIT 1
1050 #define SUBSEG_MILLI 2
1051 #define SUBSEG_DATA 0
1052 #define SUBSEG_BSS 2
1053 #define SUBSEG_UNWIND 3
1054 #define SUBSEG_GDB_STRINGS 0
1055 #define SUBSEG_GDB_SYMBOLS 1
1057 static struct default_subspace_dict pa_def_subspaces
[] =
1059 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1060 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1061 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1062 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1063 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1064 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1067 static struct default_space_dict pa_def_spaces
[] =
1069 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1070 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1071 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1074 /* Misc local definitions used by the assembler. */
1076 /* These macros are used to maintain spaces/subspaces. */
1077 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1078 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1079 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1080 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1082 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1083 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1086 /* Return nonzero if the string pointed to by S potentially represents
1087 a right or left half of a FP register */
1088 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1089 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1091 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1092 main loop after insertion. */
1094 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1096 ((OPCODE) |= (FIELD) << (START)); \
1100 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1101 IGNORE is used to suppress the error message. */
1103 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1105 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1108 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1114 #define is_DP_relative(exp) \
1115 ((exp).X_op == O_subtract \
1116 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1118 #define is_PC_relative(exp) \
1119 ((exp).X_op == O_subtract \
1120 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1122 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1123 always be able to reduce the expression to a constant, so we don't
1124 need real complex handling yet. */
1125 #define is_complex(exp) \
1126 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1128 /* Actual functions to implement the PA specific code for the assembler. */
1130 /* Called before writing the object file. Make sure entry/exit and
1131 proc/procend pairs match. */
1136 if (within_entry_exit
)
1137 as_fatal (_("Missing .exit\n"));
1139 if (within_procedure
)
1140 as_fatal (_("Missing .procend\n"));
1143 /* Returns a pointer to the label_symbol_struct for the current space.
1144 or NULL if no label_symbol_struct exists for the current space. */
1146 static label_symbol_struct
*
1149 label_symbol_struct
*label_chain
;
1151 for (label_chain
= label_symbols_rootp
;
1153 label_chain
= label_chain
->lss_next
)
1156 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1160 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1168 /* Defines a label for the current space. If one is already defined,
1169 this function will replace it with the new label. */
1172 pa_define_label (symbol
)
1175 label_symbol_struct
*label_chain
= pa_get_label ();
1178 label_chain
->lss_label
= symbol
;
1181 /* Create a new label entry and add it to the head of the chain. */
1183 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1184 label_chain
->lss_label
= symbol
;
1186 label_chain
->lss_space
= current_space
;
1189 label_chain
->lss_segment
= now_seg
;
1191 label_chain
->lss_next
= NULL
;
1193 if (label_symbols_rootp
)
1194 label_chain
->lss_next
= label_symbols_rootp
;
1196 label_symbols_rootp
= label_chain
;
1200 /* Removes a label definition for the current space.
1201 If there is no label_symbol_struct entry, then no action is taken. */
1204 pa_undefine_label ()
1206 label_symbol_struct
*label_chain
;
1207 label_symbol_struct
*prev_label_chain
= NULL
;
1209 for (label_chain
= label_symbols_rootp
;
1211 label_chain
= label_chain
->lss_next
)
1215 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1218 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1222 /* Remove the label from the chain and free its memory. */
1223 if (prev_label_chain
)
1224 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1226 label_symbols_rootp
= label_chain
->lss_next
;
1231 prev_label_chain
= label_chain
;
1236 /* An HPPA-specific version of fix_new. This is required because the HPPA
1237 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1238 results in the creation of an instance of an hppa_fix_struct. An
1239 hppa_fix_struct stores the extra information along with a pointer to the
1240 original fixS. This is attached to the original fixup via the
1241 tc_fix_data field. */
1244 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1245 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1249 symbolS
*add_symbol
;
1253 bfd_reloc_code_real_type r_type
;
1254 enum hppa_reloc_field_selector_type_alt r_field
;
1261 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1262 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1265 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1267 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1268 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1269 hppa_fix
->fx_r_type
= r_type
;
1270 hppa_fix
->fx_r_field
= r_field
;
1271 hppa_fix
->fx_r_format
= r_format
;
1272 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1273 hppa_fix
->segment
= now_seg
;
1275 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1276 new_fix
->fx_offset
= *unwind_bits
;
1279 /* foo-$global$ is used to access non-automatic storage. $global$
1280 is really just a marker and has served its purpose, so eliminate
1281 it now so as not to confuse write.c. */
1282 if (new_fix
->fx_subsy
1283 && !strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$"))
1284 new_fix
->fx_subsy
= NULL
;
1287 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1288 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1291 parse_cons_expression_hppa (exp
)
1294 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1298 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1299 hppa_field_selector is set by the parse_cons_expression_hppa. */
1302 cons_fix_new_hppa (frag
, where
, size
, exp
)
1308 unsigned int rel_type
;
1310 /* Get a base relocation type. */
1311 if (is_DP_relative (*exp
))
1312 rel_type
= R_HPPA_GOTOFF
;
1313 else if (is_complex (*exp
))
1314 rel_type
= R_HPPA_COMPLEX
;
1318 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1319 as_warn (_("Invalid field selector. Assuming F%%."));
1321 fix_new_hppa (frag
, where
, size
,
1322 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1323 hppa_field_selector
, size
* 8, 0, NULL
);
1325 /* Reset field selector to its default state. */
1326 hppa_field_selector
= 0;
1329 /* This function is called once, at assembler startup time. It should
1330 set up all the tables, etc. that the MD part of the assembler will need. */
1335 const char *retval
= NULL
;
1339 last_call_info
= NULL
;
1340 call_info_root
= NULL
;
1342 /* Set the default machine type. */
1343 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
1344 as_warn (_("could not set architecture and machine"));
1346 /* Folding of text and data segments fails miserably on the PA.
1347 Warn user and disable "-R" option. */
1348 if (flag_readonly_data_in_text
)
1350 as_warn (_("-R option not supported on this target."));
1351 flag_readonly_data_in_text
= 0;
1358 op_hash
= hash_new ();
1360 while (i
< NUMOPCODES
)
1362 const char *name
= pa_opcodes
[i
].name
;
1363 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1364 if (retval
!= NULL
&& *retval
!= '\0')
1366 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1371 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1372 != pa_opcodes
[i
].match
)
1374 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1375 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1380 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1384 as_fatal (_("Broken assembler. No assembly attempted."));
1387 /* SOM will change text_section. To make sure we never put
1388 anything into the old one switch to the new one now. */
1389 subseg_set (text_section
, 0);
1393 dummy_symbol
= symbol_find_or_make ("L$dummy");
1394 S_SET_SEGMENT (dummy_symbol
, text_section
);
1395 /* Force the symbol to be converted to a real symbol. */
1396 (void) symbol_get_bfdsym (dummy_symbol
);
1400 /* Assemble a single instruction storing it into a frag. */
1407 /* The had better be something to assemble. */
1410 /* If we are within a procedure definition, make sure we've
1411 defined a label for the procedure; handle case where the
1412 label was defined after the .PROC directive.
1414 Note there's not need to diddle with the segment or fragment
1415 for the label symbol in this case. We have already switched
1416 into the new $CODE$ subspace at this point. */
1417 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1419 label_symbol_struct
*label_symbol
= pa_get_label ();
1423 if (label_symbol
->lss_label
)
1425 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1426 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1429 /* Also handle allocation of a fixup to hold the unwind
1430 information when the label appears after the proc/procend. */
1431 if (within_entry_exit
)
1433 char *where
= frag_more (0);
1435 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1436 NULL
, (offsetT
) 0, NULL
,
1437 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
1438 (int *)&last_call_info
->ci_unwind
.descriptor
);
1443 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1446 as_bad (_("Missing function name for .PROC"));
1449 /* Assemble the instruction. Results are saved into "the_insn". */
1452 /* Get somewhere to put the assembled instrution. */
1455 /* Output the opcode. */
1456 md_number_to_chars (to
, the_insn
.opcode
, 4);
1458 /* If necessary output more stuff. */
1459 if (the_insn
.reloc
!= R_HPPA_NONE
)
1460 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1461 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1462 the_insn
.reloc
, the_insn
.field_selector
,
1463 the_insn
.format
, the_insn
.arg_reloc
, NULL
);
1466 if (debug_type
== DEBUG_DWARF2
)
1470 /* First update the notion of the current source line. */
1471 dwarf2_where (&debug_line
);
1473 /* We want the offset of the start of this instruction within the
1474 the current frag. */
1475 addr
= frag_now
->fr_address
+ frag_now_fix () - 4;
1477 /* And record the information. */
1478 dwarf2_gen_line_info (addr
, &debug_line
);
1483 /* Do the real work for assembling a single instruction. Store results
1484 into the global "the_insn" variable. */
1490 char *error_message
= "";
1491 char *s
, c
, *argstart
, *name
, *save_s
;
1495 int cmpltr
, nullif
, flag
, cond
, num
;
1496 unsigned long opcode
;
1497 struct pa_opcode
*insn
;
1500 /* We must have a valid space and subspace. */
1501 pa_check_current_space_and_subspace ();
1504 /* Convert everything up to the first whitespace character into lower
1506 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1510 /* Skip to something interesting. */
1511 for (s
= str
; isupper (*s
) || islower (*s
) || (*s
>= '0' && *s
<= '3'); ++s
)
1530 as_fatal (_("Unknown opcode: `%s'"), str
);
1535 /* Look up the opcode in the has table. */
1536 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1538 as_bad ("Unknown opcode: `%s'", str
);
1547 /* Mark the location where arguments for the instruction start, then
1548 start processing them. */
1552 /* Do some initialization. */
1553 opcode
= insn
->match
;
1554 strict
= (insn
->flags
& FLAG_STRICT
);
1555 memset (&the_insn
, 0, sizeof (the_insn
));
1557 the_insn
.reloc
= R_HPPA_NONE
;
1559 /* If this instruction is specific to a particular architecture,
1560 then set a new architecture. */
1561 /* But do not automatically promote to pa2.0. The automatic promotion
1562 crud is for compatability with HP's old assemblers only. */
1564 && bfd_get_mach (stdoutput
) < insn
->arch
)
1566 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1567 as_warn (_("could not update architecture and machine"));
1569 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1575 /* Build the opcode, checking as we go to make
1576 sure that the operands match. */
1577 for (args
= insn
->args
;; ++args
)
1579 /* Absorb white space in instruction. */
1580 while (*s
== ' ' || *s
== '\t')
1586 /* End of arguments. */
1602 /* These must match exactly. */
1611 /* Handle a 5 bit register or control register field at 10. */
1614 /* This should be more strict. Small steps. */
1615 if (strict
&& *s
!= '%')
1617 num
= pa_parse_number (&s
, 0);
1618 CHECK_FIELD (num
, 31, 0, 0);
1619 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1621 /* Handle %sar or %cr11. No bits get set, we just verify that it
1624 /* Skip whitespace before register. */
1625 while (*s
== ' ' || *s
== '\t')
1628 if (!strncasecmp(s
, "%sar", 4))
1633 else if (!strncasecmp(s
, "%cr11", 5))
1640 /* Handle a 5 bit register field at 15. */
1642 /* This should be more strict. Small steps. */
1643 if (strict
&& *s
!= '%')
1645 num
= pa_parse_number (&s
, 0);
1646 CHECK_FIELD (num
, 31, 0, 0);
1647 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1649 /* Handle a 5 bit register field at 31. */
1651 /* This should be more strict. Small steps. */
1652 if (strict
&& *s
!= '%')
1654 num
= pa_parse_number (&s
, 0);
1655 CHECK_FIELD (num
, 31, 0, 0);
1656 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1658 /* Handle a 5 bit register field at 10 and 15. */
1660 /* This should be more strict. Small steps. */
1661 if (strict
&& *s
!= '%')
1663 num
= pa_parse_number (&s
, 0);
1664 CHECK_FIELD (num
, 31, 0, 0);
1665 opcode
|= num
<< 16;
1666 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1668 /* Handle a 5 bit field length at 31. */
1670 num
= pa_get_absolute_expression (&the_insn
, &s
);
1671 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1674 CHECK_FIELD (num
, 32, 1, 0);
1675 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1677 /* Handle a 5 bit immediate at 15. */
1679 num
= pa_get_absolute_expression (&the_insn
, &s
);
1680 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1683 /* When in strict mode, we want to just reject this
1684 match instead of giving an out of range error. */
1685 CHECK_FIELD (num
, 15, -16, strict
);
1686 low_sign_unext (num
, 5, &num
);
1687 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1689 /* Handle a 5 bit immediate at 31. */
1691 num
= pa_get_absolute_expression (&the_insn
, &s
);
1692 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1695 /* When in strict mode, we want to just reject this
1696 match instead of giving an out of range error. */
1697 CHECK_FIELD (num
, 15, -16, strict
)
1698 low_sign_unext (num
, 5, &num
);
1699 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1701 /* Handle an unsigned 5 bit immediate at 31. */
1703 num
= pa_get_absolute_expression (&the_insn
, &s
);
1704 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1707 CHECK_FIELD (num
, 31, 0, 0);
1708 INSERT_FIELD_AND_CONTINUE (opcode
, num
, strict
);
1710 /* Handle an unsigned 5 bit immediate at 15. */
1712 num
= pa_get_absolute_expression (&the_insn
, &s
);
1713 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1716 CHECK_FIELD (num
, 31, 0, strict
);
1717 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1719 /* Handle an unsigned 10 bit immediate at 15. */
1721 num
= pa_get_absolute_expression (&the_insn
, &s
);
1722 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1725 CHECK_FIELD (num
, 1023, 0, strict
);
1726 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1728 /* Handle a 2 bit space identifier at 17. */
1730 /* This should be more strict. Small steps. */
1731 if (strict
&& *s
!= '%')
1733 num
= pa_parse_number (&s
, 0);
1734 CHECK_FIELD (num
, 3, 0, 1);
1735 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1737 /* Handle a 3 bit space identifier at 18. */
1739 /* This should be more strict. Small steps. */
1740 if (strict
&& *s
!= '%')
1742 num
= pa_parse_number (&s
, 0);
1743 CHECK_FIELD (num
, 7, 0, 1);
1744 dis_assemble_3 (num
, &num
);
1745 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
1747 /* Handle all completers. */
1752 /* Handle a completer for an indexing load or store. */
1758 while (*s
== ',' && i
< 2)
1761 if (strncasecmp (s
, "sm", 2) == 0)
1768 else if (strncasecmp (s
, "m", 1) == 0)
1770 else if (strncasecmp (s
, "s", 1) == 0)
1772 /* When in strict mode this is a match failure. */
1776 as_bad (_("Invalid Indexed Load Completer."));
1781 as_bad (_("Invalid Indexed Load Completer Syntax."));
1783 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1786 /* Handle a short load/store completer. */
1797 if (strncasecmp (s
, "ma", 2) == 0)
1802 else if (strncasecmp (s
, "mb", 2) == 0)
1807 /* When in strict mode this is a match failure. */
1811 as_bad (_("Invalid Short Load/Store Completer."));
1814 /* If we did not get a ma/mb completer, then we do not
1815 consider this a positive match for 'cc'. */
1816 else if (*args
== 'c')
1819 /* 'J', 'm' and 'q' are the same, except for where they
1820 encode the before/after field. */
1824 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1826 else if (*args
== 'q')
1829 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1831 else if (*args
== 'J')
1833 /* M bit is explicit in the major opcode. */
1834 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1836 else if (*args
== 'c')
1838 /* Gross! Hide these values in the immediate field
1839 of the instruction, then pull them out later. */
1846 /* Handle a stbys completer. */
1852 while (*s
== ',' && i
< 2)
1855 if (strncasecmp (s
, "m", 1) == 0)
1857 else if (strncasecmp (s
, "b", 1) == 0)
1859 else if (strncasecmp (s
, "e", 1) == 0)
1861 /* When in strict mode this is a match failure. */
1865 as_bad (_("Invalid Store Bytes Short Completer"));
1870 as_bad (_("Invalid Store Bytes Short Completer"));
1872 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1875 /* Handle a local processor completer. */
1877 if (strncasecmp (s
, ",l", 2) != 0)
1882 /* Handle a PROBE read/write completer. */
1885 if (!strncasecmp (s
, ",w", 2))
1890 else if (!strncasecmp (s
, ",r", 2))
1896 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
1898 /* Handle MFCTL wide completer. */
1900 if (strncasecmp (s
, ",w", 2) != 0)
1905 /* Handle an RFI restore completer. */
1908 if (!strncasecmp (s
, ",r", 2))
1914 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
1916 /* Handle a system control completer. */
1918 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
1926 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
1928 /* Handle intermediate/final completer for DCOR. */
1931 if (!strncasecmp (s
, ",i", 2))
1937 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
1939 /* Handle zero/sign extension completer. */
1942 if (!strncasecmp (s
, ",z", 2))
1948 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
1950 /* Handle add completer. */
1953 if (!strncasecmp (s
, ",l", 2))
1958 else if (!strncasecmp (s
, ",tsv", 4))
1964 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
1966 /* Handle 64 bit carry for ADD. */
1969 if (!strncasecmp (s
, ",dc,tsv", 7) ||
1970 !strncasecmp (s
, ",tsv,dc", 7))
1975 else if (!strncasecmp (s
, ",dc", 3))
1983 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
1985 /* Handle 32 bit carry for ADD. */
1988 if (!strncasecmp (s
, ",c,tsv", 6) ||
1989 !strncasecmp (s
, ",tsv,c", 6))
1994 else if (!strncasecmp (s
, ",c", 2))
2002 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2004 /* Handle trap on signed overflow. */
2007 if (!strncasecmp (s
, ",tsv", 4))
2013 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2015 /* Handle trap on condition and overflow. */
2018 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2019 !strncasecmp (s
, ",tsv,tc", 7))
2024 else if (!strncasecmp (s
, ",tc", 3))
2032 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2034 /* Handle 64 bit borrow for SUB. */
2037 if (!strncasecmp (s
, ",db,tsv", 7) ||
2038 !strncasecmp (s
, ",tsv,db", 7))
2043 else if (!strncasecmp (s
, ",db", 3))
2051 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2053 /* Handle 32 bit borrow for SUB. */
2056 if (!strncasecmp (s
, ",b,tsv", 6) ||
2057 !strncasecmp (s
, ",tsv,b", 6))
2062 else if (!strncasecmp (s
, ",b", 2))
2070 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2072 /* Handle trap condition completer for UADDCM. */
2075 if (!strncasecmp (s
, ",tc", 3))
2081 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2083 /* Handle signed/unsigned at 21. */
2087 if (strncasecmp (s
, ",s", 2) == 0)
2092 else if (strncasecmp (s
, ",u", 2) == 0)
2098 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2101 /* Handle left/right combination at 17:18. */
2111 as_bad(_("Invalid left/right combination completer"));
2114 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2117 as_bad(_("Invalid left/right combination completer"));
2120 /* Handle saturation at 24:25. */
2124 if (strncasecmp (s
, ",ss", 3) == 0)
2129 else if (strncasecmp (s
, ",us", 3) == 0)
2135 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2138 /* Handle permutation completer. */
2142 int permloc
[4] = {13,10,8,6};
2162 as_bad(_("Invalid permutation completer"));
2164 opcode
|= perm
<< permloc
[i
];
2169 as_bad(_("Invalid permutation completer"));
2177 /* Handle all conditions. */
2183 /* Handle FP compare conditions. */
2185 cond
= pa_parse_fp_cmp_cond (&s
);
2186 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2188 /* Handle an add condition. */
2197 /* 64 bit conditions. */
2210 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2214 if (strcmp (name
, "=") == 0)
2216 else if (strcmp (name
, "<") == 0)
2218 else if (strcmp (name
, "<=") == 0)
2220 else if (strcasecmp (name
, "nuv") == 0)
2222 else if (strcasecmp (name
, "znv") == 0)
2224 else if (strcasecmp (name
, "sv") == 0)
2226 else if (strcasecmp (name
, "od") == 0)
2228 else if (strcasecmp (name
, "tr") == 0)
2233 else if (strcmp (name
, "<>") == 0)
2238 else if (strcmp (name
, ">=") == 0)
2243 else if (strcmp (name
, ">") == 0)
2248 else if (strcasecmp (name
, "uv") == 0)
2253 else if (strcasecmp (name
, "vnz") == 0)
2258 else if (strcasecmp (name
, "nsv") == 0)
2263 else if (strcasecmp (name
, "ev") == 0)
2268 /* ",*" is a valid condition. */
2269 else if (*args
== 'a')
2270 as_bad (_("Invalid Add Condition: %s"), name
);
2273 opcode
|= cmpltr
<< 13;
2274 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2276 /* Handle non-negated add and branch condition. */
2278 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
2281 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
2284 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2286 /* Handle negated add and branch condition. */
2290 /* Handle wide-mode non-negated add and branch condition. */
2294 /* Handle wide-mode negated add and branch condition. */
2298 /* Handle a negated or non-negated add and branch
2302 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
2306 cmpltr
= pa_parse_neg_add_cmpltr (&s
, 1);
2309 as_bad (_("Invalid Compare/Subtract Condition"));
2314 /* Negated condition requires an opcode change. */
2318 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2320 /* Handle branch on bit conditions. */
2338 if (strncmp (s
, "<", 1) == 0)
2343 else if (strncmp (s
, ">=", 2) == 0)
2349 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2351 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2353 /* Handle a compare/subtract condition. */
2362 /* 64 bit conditions. */
2375 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2379 if (strcmp (name
, "=") == 0)
2381 else if (strcmp (name
, "<") == 0)
2383 else if (strcmp (name
, "<=") == 0)
2385 else if (strcasecmp (name
, "<<") == 0)
2387 else if (strcasecmp (name
, "<<=") == 0)
2389 else if (strcasecmp (name
, "sv") == 0)
2391 else if (strcasecmp (name
, "od") == 0)
2393 else if (strcasecmp (name
, "tr") == 0)
2398 else if (strcmp (name
, "<>") == 0)
2403 else if (strcmp (name
, ">=") == 0)
2408 else if (strcmp (name
, ">") == 0)
2413 else if (strcasecmp (name
, ">>=") == 0)
2418 else if (strcasecmp (name
, ">>") == 0)
2423 else if (strcasecmp (name
, "nsv") == 0)
2428 else if (strcasecmp (name
, "ev") == 0)
2433 /* ",*" is a valid condition. */
2434 else if (*args
!= 'S')
2435 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2439 opcode
|= cmpltr
<< 13;
2440 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2442 /* Handle a non-negated compare condition. */
2444 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
2447 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
2450 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2452 /* Handle a negated compare condition. */
2456 /* Handle a 64 bit non-negated compare condition. */
2460 /* Handle a 64 bit negated compare condition. */
2464 /* Handle a 64 bit cmpib condition. */
2468 /* Handle a negated or non-negated compare/subtract
2472 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
2476 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
, 1);
2479 as_bad (_("Invalid Compare/Subtract Condition."));
2484 /* Negated condition requires an opcode change. */
2489 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2491 /* Handle a logical instruction condition. */
2500 /* 64 bit conditions. */
2513 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2519 if (strcmp (name
, "=") == 0)
2521 else if (strcmp (name
, "<") == 0)
2523 else if (strcmp (name
, "<=") == 0)
2525 else if (strcasecmp (name
, "od") == 0)
2527 else if (strcasecmp (name
, "tr") == 0)
2532 else if (strcmp (name
, "<>") == 0)
2537 else if (strcmp (name
, ">=") == 0)
2542 else if (strcmp (name
, ">") == 0)
2547 else if (strcasecmp (name
, "ev") == 0)
2552 /* ",*" is a valid condition. */
2553 else if (*args
!= 'L')
2554 as_bad (_("Invalid Logical Instruction Condition."));
2557 opcode
|= cmpltr
<< 13;
2558 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2560 /* Handle a shift/extract/deposit condition. */
2569 /* 64 bit conditions. */
2582 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2586 if (strcmp (name
, "=") == 0)
2588 else if (strcmp (name
, "<") == 0)
2590 else if (strcasecmp (name
, "od") == 0)
2592 else if (strcasecmp (name
, "tr") == 0)
2594 else if (strcmp (name
, "<>") == 0)
2596 else if (strcmp (name
, ">=") == 0)
2598 else if (strcasecmp (name
, "ev") == 0)
2600 /* Handle movb,n. Put things back the way they were.
2601 This includes moving s back to where it started. */
2602 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2608 /* ",*" is a valid condition. */
2609 else if (*args
!= 'X')
2610 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2613 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2615 /* Handle a unit instruction condition. */
2624 /* 64 bit conditions. */
2635 if (strncasecmp (s
, "sbz", 3) == 0)
2640 else if (strncasecmp (s
, "shz", 3) == 0)
2645 else if (strncasecmp (s
, "sdc", 3) == 0)
2650 else if (strncasecmp (s
, "sbc", 3) == 0)
2655 else if (strncasecmp (s
, "shc", 3) == 0)
2660 else if (strncasecmp (s
, "tr", 2) == 0)
2666 else if (strncasecmp (s
, "nbz", 3) == 0)
2672 else if (strncasecmp (s
, "nhz", 3) == 0)
2678 else if (strncasecmp (s
, "ndc", 3) == 0)
2684 else if (strncasecmp (s
, "nbc", 3) == 0)
2690 else if (strncasecmp (s
, "nhc", 3) == 0)
2696 /* ",*" is a valid condition. */
2697 else if (*args
!= 'U')
2698 as_bad (_("Invalid Unit Instruction Condition."));
2700 opcode
|= cmpltr
<< 13;
2701 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2709 /* Handle a nullification completer for branch instructions. */
2711 nullif
= pa_parse_nullif (&s
);
2712 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2714 /* Handle a nullification completer for copr and spop insns. */
2716 nullif
= pa_parse_nullif (&s
);
2717 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2719 /* Handle ,gate completer for new syntax branches. */
2721 if (*s
== ',' && strcasecmp (s
+ 1, "gate") == 0)
2727 /* Handle ,l completer for new syntax branches. */
2729 if (*s
== ',' && strcasecmp (s
+ 1, "l") == 0)
2735 /* Handle ,push completer for new syntax branches. */
2737 if (*s
== ',' && strcasecmp (s
+ 1, "push") == 0)
2743 /* Handle ,pop completer for new syntax branches. */
2745 if (*s
== ',' && strcasecmp (s
+ 1, "pop") == 0)
2751 /* Handle ,%r2 completer for new syntax branches. */
2753 if (*s
== ',' && strcasecmp (s
+ 1, "%r2") == 0)
2755 else if (*s
== ',' && strcasecmp (s
+ 1, "%rp") == 0)
2761 /* Handle 3 bit entry into the fp compare array. Valid values
2762 are 0..6 inclusive. */
2766 if (the_insn
.exp
.X_op
== O_constant
)
2768 num
= evaluate_absolute (&the_insn
);
2769 CHECK_FIELD (num
, 6, 0, 0);
2771 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2776 /* Handle 3 bit entry into the fp compare array. Valid values
2777 are 0..6 inclusive. */
2781 if (the_insn
.exp
.X_op
== O_constant
)
2783 num
= evaluate_absolute (&the_insn
);
2784 CHECK_FIELD (num
, 6, 0, 0);
2785 num
= (num
+ 1) ^ 1;
2786 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2789 as_bad (_("Invalid CBit Specification: %s"), s
);
2791 /* Handle graphics test completers for ftest */
2794 num
= pa_parse_ftest_gfx_completer (&s
);
2795 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2798 /* Handle a 11 bit immediate at 31. */
2800 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2803 if (the_insn
.exp
.X_op
== O_constant
)
2805 num
= evaluate_absolute (&the_insn
);
2806 CHECK_FIELD (num
, 1023, -1024, 0);
2807 low_sign_unext (num
, 11, &num
);
2808 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2812 if (is_DP_relative (the_insn
.exp
))
2813 the_insn
.reloc
= R_HPPA_GOTOFF
;
2814 else if (is_PC_relative (the_insn
.exp
))
2815 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2817 the_insn
.reloc
= R_HPPA
;
2818 the_insn
.format
= 11;
2822 /* Handle a 14 bit immediate at 31. */
2824 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2827 if (the_insn
.exp
.X_op
== O_constant
)
2831 /* XXX the completer stored away tibits of information
2832 for us to extract. We need a cleaner way to do this.
2833 Now that we have lots of letters again, it would be
2834 good to rethink this. */
2835 m
= (opcode
& (1 << 8)) != 0;
2836 a
= (opcode
& (1 << 9)) != 0;
2837 opcode
&= ~ (3 << 8);
2838 num
= evaluate_absolute (&the_insn
);
2839 if (a
== 1 && num
>= 0 || (a
== 0 && num
< 0))
2841 CHECK_FIELD (num
, 8191, -8192, 0);
2842 low_sign_unext (num
, 14, &num
);
2843 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2850 /* Handle a 14 bit immediate at 31. */
2852 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2855 if (the_insn
.exp
.X_op
== O_constant
)
2859 /* XXX the completer stored away tibits of information
2860 for us to extract. We need a cleaner way to do this.
2861 Now that we have lots of letters again, it would be
2862 good to rethink this. */
2863 m
= (opcode
& (1 << 8)) != 0;
2864 a
= (opcode
& (1 << 9)) != 0;
2865 opcode
&= ~ (3 << 8);
2866 num
= evaluate_absolute (&the_insn
);
2867 if (a
== 1 && num
< 0 || (a
== 0 && num
> 0))
2871 CHECK_FIELD (num
, 8191, -8192, 0);
2876 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
2883 /* Handle 14 bit immediated, shifted left three times. */
2885 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2888 if (the_insn
.exp
.X_op
== O_constant
)
2890 num
= evaluate_absolute (&the_insn
);
2893 CHECK_FIELD (num
, 8191, -8192, 0);
2898 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
2902 if (is_DP_relative (the_insn
.exp
))
2903 the_insn
.reloc
= R_HPPA_GOTOFF
;
2904 else if (is_PC_relative (the_insn
.exp
))
2905 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2907 the_insn
.reloc
= R_HPPA
;
2908 the_insn
.format
= 14;
2913 /* Handle 14 bit immediate, shifted left twice. */
2915 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2918 if (the_insn
.exp
.X_op
== O_constant
)
2920 num
= evaluate_absolute (&the_insn
);
2923 CHECK_FIELD (num
, 8191, -8192, 0);
2928 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
2932 if (is_DP_relative (the_insn
.exp
))
2933 the_insn
.reloc
= R_HPPA_GOTOFF
;
2934 else if (is_PC_relative (the_insn
.exp
))
2935 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2937 the_insn
.reloc
= R_HPPA
;
2938 the_insn
.format
= 14;
2942 /* Handle a 14 bit immediate at 31. */
2944 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2947 if (the_insn
.exp
.X_op
== O_constant
)
2949 num
= evaluate_absolute (&the_insn
);
2950 CHECK_FIELD (num
, 8191, -8192, 0);
2951 low_sign_unext (num
, 14, &num
);
2952 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2956 if (is_DP_relative (the_insn
.exp
))
2957 the_insn
.reloc
= R_HPPA_GOTOFF
;
2958 else if (is_PC_relative (the_insn
.exp
))
2959 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2961 the_insn
.reloc
= R_HPPA
;
2962 the_insn
.format
= 14;
2966 /* Handle a 21 bit immediate at 31. */
2968 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2971 if (the_insn
.exp
.X_op
== O_constant
)
2973 num
= evaluate_absolute (&the_insn
);
2974 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
2975 dis_assemble_21 (num
, &num
);
2976 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2980 if (is_DP_relative (the_insn
.exp
))
2981 the_insn
.reloc
= R_HPPA_GOTOFF
;
2982 else if (is_PC_relative (the_insn
.exp
))
2983 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2985 the_insn
.reloc
= R_HPPA
;
2986 the_insn
.format
= 21;
2990 /* Handle a 12 bit branch displacement. */
2992 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2996 if (!strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
), "L$0\001"))
2998 unsigned int w1
, w
, result
;
3000 num
= evaluate_absolute (&the_insn
);
3003 as_bad (_("Branch to unaligned address"));
3006 CHECK_FIELD (num
, 8199, -8184, 0);
3007 sign_unext ((num
- 8) >> 2, 12, &result
);
3008 dis_assemble_12 (result
, &w1
, &w
);
3009 INSERT_FIELD_AND_CONTINUE (opcode
, ((w1
<< 2) | w
), 0);
3013 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3014 the_insn
.format
= 12;
3015 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3016 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3021 /* Handle a 17 bit branch displacement. */
3023 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3027 if (!the_insn
.exp
.X_add_symbol
3028 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3031 unsigned int w2
, w1
, w
, result
;
3033 num
= evaluate_absolute (&the_insn
);
3036 as_bad (_("Branch to unaligned address"));
3039 CHECK_FIELD (num
, 262143, -262144, 0);
3041 if (the_insn
.exp
.X_add_symbol
)
3044 sign_unext (num
>> 2, 17, &result
);
3045 dis_assemble_17 (result
, &w1
, &w2
, &w
);
3046 INSERT_FIELD_AND_CONTINUE (opcode
,
3047 ((w2
<< 2) | (w1
<< 16) | w
), 0);
3051 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3052 the_insn
.format
= 17;
3053 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3054 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3058 /* Handle a 22 bit branch displacement. */
3060 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3064 if (!the_insn
.exp
.X_add_symbol
3065 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3068 unsigned int w3
, w2
, w1
, w
, result
;
3070 num
= evaluate_absolute (&the_insn
);
3073 as_bad (_("Branch to unaligned address"));
3076 CHECK_FIELD (num
, 8388607, -8388608, 0);
3078 if (the_insn
.exp
.X_add_symbol
)
3081 sign_unext (num
>> 2, 22, &result
);
3082 dis_assemble_22 (result
, &w3
, &w1
, &w2
, &w
);
3083 INSERT_FIELD_AND_CONTINUE (opcode
,
3084 ((w3
<< 21) | (w2
<< 2)
3090 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3091 the_insn
.format
= 22;
3092 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3093 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3097 /* Handle an absolute 17 bit branch target. */
3099 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3103 if (!the_insn
.exp
.X_add_symbol
3104 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3107 unsigned int w2
, w1
, w
, result
;
3109 num
= evaluate_absolute (&the_insn
);
3112 as_bad (_("Branch to unaligned address"));
3115 CHECK_FIELD (num
, 262143, -262144, 0);
3117 if (the_insn
.exp
.X_add_symbol
)
3120 sign_unext (num
>> 2, 17, &result
);
3121 dis_assemble_17 (result
, &w1
, &w2
, &w
);
3122 INSERT_FIELD_AND_CONTINUE (opcode
,
3123 ((w2
<< 2) | (w1
<< 16) | w
), 0);
3127 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3128 the_insn
.format
= 17;
3129 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3130 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3134 /* Handle '%r1' implicit operand of addil instruction. */
3136 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3137 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3145 /* Handle a 2 bit shift count at 25. */
3147 num
= pa_get_absolute_expression (&the_insn
, &s
);
3148 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3151 CHECK_FIELD (num
, 3, 1, strict
);
3152 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3154 /* Handle a 4 bit shift count at 25. */
3156 num
= pa_get_absolute_expression (&the_insn
, &s
);
3157 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3160 CHECK_FIELD (num
, 15, 0, strict
);
3161 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3163 /* Handle a 5 bit shift count at 26. */
3165 num
= pa_get_absolute_expression (&the_insn
, &s
);
3166 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3169 CHECK_FIELD (num
, 31, 0, strict
);
3170 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3172 /* Handle a 6 bit shift count at 20,22:26. */
3174 num
= pa_get_absolute_expression (&the_insn
, &s
);
3175 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3178 CHECK_FIELD (num
, 63, 0, strict
);
3180 opcode
|= (num
& 0x20) << 6;
3181 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3183 /* Handle a 6 bit field length at 23,27:31. */
3186 num
= pa_get_absolute_expression (&the_insn
, &s
);
3187 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3190 CHECK_FIELD (num
, 64, 1, strict
);
3192 opcode
|= (num
& 0x20) << 3;
3193 num
= 31 - (num
& 0x1f);
3194 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3196 /* Handle a 6 bit field length at 19,27:31. */
3198 num
= pa_get_absolute_expression (&the_insn
, &s
);
3199 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3202 CHECK_FIELD (num
, 64, 1, strict
);
3204 opcode
|= (num
& 0x20) << 7;
3205 num
= 31 - (num
& 0x1f);
3206 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3208 /* Handle a 5 bit bit position at 26. */
3210 num
= pa_get_absolute_expression (&the_insn
, &s
);
3211 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3214 CHECK_FIELD (num
, 31, 0, strict
);
3215 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3217 /* Handle a 6 bit bit position at 20,22:26. */
3219 num
= pa_get_absolute_expression (&the_insn
, &s
);
3220 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3223 CHECK_FIELD (num
, 63, 0, strict
);
3224 opcode
|= (num
& 0x20) << 6;
3225 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3227 /* Handle a 5 bit immediate at 10. */
3229 num
= pa_get_absolute_expression (&the_insn
, &s
);
3230 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3232 if (the_insn
.exp
.X_op
!= O_constant
)
3235 CHECK_FIELD (num
, 31, 0, strict
);
3236 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3238 /* Handle a 9 bit immediate at 28. */
3240 num
= pa_get_absolute_expression (&the_insn
, &s
);
3241 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3244 CHECK_FIELD (num
, 511, 1, strict
);
3245 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3247 /* Handle a 13 bit immediate at 18. */
3249 num
= pa_get_absolute_expression (&the_insn
, &s
);
3250 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3253 CHECK_FIELD (num
, 8191, 0, strict
);
3254 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3256 /* Handle a 26 bit immediate at 31. */
3258 num
= pa_get_absolute_expression (&the_insn
, &s
);
3259 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3262 CHECK_FIELD (num
, 671108864, 0, strict
);
3263 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3265 /* Handle a 3 bit SFU identifier at 25. */
3268 as_bad (_("Invalid SFU identifier"));
3269 num
= pa_get_absolute_expression (&the_insn
, &s
);
3270 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3273 CHECK_FIELD (num
, 7, 0, strict
);
3274 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3276 /* Handle a 20 bit SOP field for spop0. */
3278 num
= pa_get_absolute_expression (&the_insn
, &s
);
3279 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3282 CHECK_FIELD (num
, 1048575, 0, strict
);
3283 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3284 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3286 /* Handle a 15bit SOP field for spop1. */
3288 num
= pa_get_absolute_expression (&the_insn
, &s
);
3289 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3292 CHECK_FIELD (num
, 32767, 0, strict
);
3293 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3295 /* Handle a 10bit SOP field for spop3. */
3297 num
= pa_get_absolute_expression (&the_insn
, &s
);
3298 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3301 CHECK_FIELD (num
, 1023, 0, strict
);
3302 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3303 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3305 /* Handle a 15 bit SOP field for spop2. */
3307 num
= pa_get_absolute_expression (&the_insn
, &s
);
3308 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3311 CHECK_FIELD (num
, 32767, 0, strict
);
3312 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3313 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3315 /* Handle a 3-bit co-processor ID field. */
3318 as_bad (_("Invalid COPR identifier"));
3319 num
= pa_get_absolute_expression (&the_insn
, &s
);
3320 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3323 CHECK_FIELD (num
, 7, 0, strict
);
3324 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3326 /* Handle a 22bit SOP field for copr. */
3328 num
= pa_get_absolute_expression (&the_insn
, &s
);
3329 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3332 CHECK_FIELD (num
, 4194303, 0, strict
);
3333 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3334 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3336 /* Handle a source FP operand format completer. */
3338 if (*s
== ',' && *(s
+1) == 't')
3345 flag
= pa_parse_fp_cnv_format (&s
);
3346 the_insn
.fpof1
= flag
;
3347 if (flag
== W
|| flag
== UW
)
3349 if (flag
== DW
|| flag
== UDW
)
3351 if (flag
== QW
|| flag
== UQW
)
3353 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3355 /* Handle a destination FP operand format completer. */
3357 /* pa_parse_format needs the ',' prefix. */
3359 flag
= pa_parse_fp_cnv_format (&s
);
3360 the_insn
.fpof2
= flag
;
3361 if (flag
== W
|| flag
== UW
)
3363 if (flag
== DW
|| flag
== UDW
)
3365 if (flag
== QW
|| flag
== UQW
)
3367 opcode
|= flag
<< 13;
3368 if (the_insn
.fpof1
== SGL
3369 || the_insn
.fpof1
== DBL
3370 || the_insn
.fpof1
== QUAD
)
3372 if (the_insn
.fpof2
== SGL
3373 || the_insn
.fpof2
== DBL
3374 || the_insn
.fpof2
== QUAD
)
3376 else if (the_insn
.fpof2
== W
3377 || the_insn
.fpof2
== DW
3378 || the_insn
.fpof2
== QW
)
3380 else if (the_insn
.fpof2
== UW
3381 || the_insn
.fpof2
== UDW
3382 || the_insn
.fpof2
== UQW
)
3387 else if (the_insn
.fpof1
== W
3388 || the_insn
.fpof1
== DW
3389 || the_insn
.fpof1
== QW
)
3391 if (the_insn
.fpof2
== SGL
3392 || the_insn
.fpof2
== DBL
3393 || the_insn
.fpof2
== QUAD
)
3398 else if (the_insn
.fpof1
== UW
3399 || the_insn
.fpof1
== UDW
3400 || the_insn
.fpof1
== UQW
)
3402 if (the_insn
.fpof2
== SGL
3403 || the_insn
.fpof2
== DBL
3404 || the_insn
.fpof2
== QUAD
)
3409 flag
|= the_insn
.trunc
;
3410 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3412 /* Handle a source FP operand format completer. */
3414 flag
= pa_parse_fp_format (&s
);
3415 the_insn
.fpof1
= flag
;
3416 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3418 /* Handle a destination FP operand format completer. */
3420 /* pa_parse_format needs the ',' prefix. */
3422 flag
= pa_parse_fp_format (&s
);
3423 the_insn
.fpof2
= flag
;
3424 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3426 /* Handle a source FP operand format completer at 20. */
3428 flag
= pa_parse_fp_format (&s
);
3429 the_insn
.fpof1
= flag
;
3430 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3432 /* Handle a floating point operand format at 26.
3433 Only allows single and double precision. */
3435 flag
= pa_parse_fp_format (&s
);
3441 the_insn
.fpof1
= flag
;
3447 as_bad (_("Invalid Floating Point Operand Format."));
3451 /* Handle all floating point registers. */
3455 /* Float target register. */
3457 /* This should be more strict. Small steps. */
3458 if (strict
&& *s
!= '%')
3460 num
= pa_parse_number (&s
, 0);
3461 CHECK_FIELD (num
, 31, 0, 0);
3462 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3464 /* Float target register with L/R selection. */
3467 struct pa_11_fp_reg_struct result
;
3469 /* This should be more strict. Small steps. */
3470 if (strict
&& *s
!= '%')
3472 pa_parse_number (&s
, &result
);
3473 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3474 opcode
|= result
.number_part
;
3476 /* 0x30 opcodes are FP arithmetic operation opcodes
3477 and need to be turned into 0x38 opcodes. This
3478 is not necessary for loads/stores. */
3479 if (need_pa11_opcode (&the_insn
, &result
)
3480 && ((opcode
& 0xfc000000) == 0x30000000))
3483 INSERT_FIELD_AND_CONTINUE (opcode
, result
.l_r_select
& 1, 6);
3486 /* Float operand 1. */
3489 struct pa_11_fp_reg_struct result
;
3491 /* This should be more strict. Small steps. */
3492 if (strict
&& *s
!= '%')
3494 pa_parse_number (&s
, &result
);
3495 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3496 opcode
|= result
.number_part
<< 21;
3497 if (need_pa11_opcode (&the_insn
, &result
))
3499 opcode
|= (result
.l_r_select
& 1) << 7;
3505 /* Float operand 1 with L/R selection. */
3509 struct pa_11_fp_reg_struct result
;
3511 /* This should be more strict. Small steps. */
3512 if (strict
&& *s
!= '%')
3514 pa_parse_number (&s
, &result
);
3515 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3516 opcode
|= result
.number_part
<< 21;
3517 opcode
|= (result
.l_r_select
& 1) << 7;
3521 /* Float operand 2. */
3524 struct pa_11_fp_reg_struct result
;
3526 /* This should be more strict. Small steps. */
3527 if (strict
&& *s
!= '%')
3529 pa_parse_number (&s
, &result
);
3530 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3531 opcode
|= (result
.number_part
& 0x1f) << 16;
3532 if (need_pa11_opcode (&the_insn
, &result
))
3534 opcode
|= (result
.l_r_select
& 1) << 12;
3540 /* Float operand 2 with L/R selection. */
3543 struct pa_11_fp_reg_struct result
;
3545 /* This should be more strict. Small steps. */
3546 if (strict
&& *s
!= '%')
3548 pa_parse_number (&s
, &result
);
3549 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3550 opcode
|= (result
.number_part
& 0x1f) << 16;
3551 opcode
|= (result
.l_r_select
& 1) << 12;
3555 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3558 struct pa_11_fp_reg_struct result
;
3561 /* This should be more strict. Small steps. */
3562 if (strict
&& *s
!= '%')
3564 pa_parse_number (&s
, &result
);
3565 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3566 opcode
|= (result
.number_part
& 0x1c) << 11;
3567 opcode
|= (result
.number_part
& 0x3) << 9;
3568 opcode
|= (result
.l_r_select
& 1) << 8;
3572 /* Float mult operand 1 for fmpyadd, fmpysub */
3575 struct pa_11_fp_reg_struct result
;
3577 /* This should be more strict. Small steps. */
3578 if (strict
&& *s
!= '%')
3580 pa_parse_number (&s
, &result
);
3581 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3582 if (the_insn
.fpof1
== SGL
)
3584 if (result
.number_part
< 16)
3586 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3590 result
.number_part
&= 0xF;
3591 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3593 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 21);
3596 /* Float mult operand 2 for fmpyadd, fmpysub */
3599 struct pa_11_fp_reg_struct result
;
3601 /* This should be more strict. Small steps. */
3602 if (strict
&& *s
!= '%')
3604 pa_parse_number (&s
, &result
);
3605 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3606 if (the_insn
.fpof1
== SGL
)
3608 if (result
.number_part
< 16)
3610 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3613 result
.number_part
&= 0xF;
3614 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3616 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 16);
3619 /* Float mult target for fmpyadd, fmpysub */
3622 struct pa_11_fp_reg_struct result
;
3624 /* This should be more strict. Small steps. */
3625 if (strict
&& *s
!= '%')
3627 pa_parse_number (&s
, &result
);
3628 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3629 if (the_insn
.fpof1
== SGL
)
3631 if (result
.number_part
< 16)
3633 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3636 result
.number_part
&= 0xF;
3637 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3639 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 0);
3642 /* Float add operand 1 for fmpyadd, fmpysub */
3645 struct pa_11_fp_reg_struct result
;
3647 /* This should be more strict. Small steps. */
3648 if (strict
&& *s
!= '%')
3650 pa_parse_number (&s
, &result
);
3651 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3652 if (the_insn
.fpof1
== SGL
)
3654 if (result
.number_part
< 16)
3656 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3659 result
.number_part
&= 0xF;
3660 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3662 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 6);
3665 /* Float add target for fmpyadd, fmpysub */
3668 struct pa_11_fp_reg_struct result
;
3670 /* This should be more strict. Small steps. */
3671 if (strict
&& *s
!= '%')
3673 pa_parse_number (&s
, &result
);
3674 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3675 if (the_insn
.fpof1
== SGL
)
3677 if (result
.number_part
< 16)
3679 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3682 result
.number_part
&= 0xF;
3683 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3685 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 11);
3688 /* Handle L/R register halves like 'x'. */
3691 struct pa_11_fp_reg_struct result
;
3693 if (strict
&& *s
!= '%')
3695 pa_parse_number (&s
, &result
);
3696 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3697 opcode
|= (result
.number_part
& 0x1f) << 16;
3698 if (need_pa11_opcode (&the_insn
, &result
))
3700 opcode
|= (result
.l_r_select
& 1) << 1;
3708 /* Handle L/R register halves like 'x'. */
3711 struct pa_11_fp_reg_struct result
;
3713 /* This should be more strict. Small steps. */
3714 if (strict
&& *s
!= '%')
3716 pa_parse_number (&s
, &result
);
3717 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3718 opcode
|= (result
.number_part
& 0x1f) << 16;
3719 if (need_pa11_opcode (&the_insn
, &result
))
3721 opcode
|= (result
.l_r_select
& 1) << 1;
3733 /* Check if the args matched. */
3736 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3737 && !strcmp (insn
->name
, insn
[1].name
))
3745 as_bad (_("Invalid operands %s"), error_message
);
3752 the_insn
.opcode
= opcode
;
3755 /* Turn a string in input_line_pointer into a floating point constant of type
3756 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3757 emitted is stored in *sizeP . An error message or NULL is returned. */
3759 #define MAX_LITTLENUMS 6
3762 md_atof (type
, litP
, sizeP
)
3768 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3769 LITTLENUM_TYPE
*wordP
;
3801 return _("Bad call to MD_ATOF()");
3803 t
= atof_ieee (input_line_pointer
, type
, words
);
3805 input_line_pointer
= t
;
3806 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
3807 for (wordP
= words
; prec
--;)
3809 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
3810 litP
+= sizeof (LITTLENUM_TYPE
);
3815 /* Write out big-endian. */
3818 md_number_to_chars (buf
, val
, n
)
3823 number_to_chars_bigendian (buf
, val
, n
);
3826 /* Translate internal representation of relocation info to BFD target
3830 tc_gen_reloc (section
, fixp
)
3835 struct hppa_fix_struct
*hppa_fixp
;
3836 bfd_reloc_code_real_type code
;
3837 static arelent
*no_relocs
= NULL
;
3839 bfd_reloc_code_real_type
**codes
;
3843 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
3844 if (fixp
->fx_addsy
== 0)
3846 assert (hppa_fixp
!= 0);
3847 assert (section
!= 0);
3849 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
3851 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
3852 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
3853 codes
= (bfd_reloc_code_real_type
**) hppa_gen_reloc_type (stdoutput
,
3855 hppa_fixp
->fx_r_format
,
3856 hppa_fixp
->fx_r_field
,
3857 fixp
->fx_subsy
!= NULL
,
3858 symbol_get_bfdsym (fixp
->fx_addsy
));
3863 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
3866 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
3867 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
3868 for (i
= 0; i
< n_relocs
; i
++)
3869 relocs
[i
] = &reloc
[i
];
3871 relocs
[n_relocs
] = NULL
;
3874 switch (fixp
->fx_r_type
)
3877 assert (n_relocs
== 1);
3881 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
3882 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
3883 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
, code
);
3884 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3885 reloc
->addend
= 0; /* default */
3887 assert (reloc
->howto
&& code
== reloc
->howto
->type
);
3889 /* Now, do any processing that is dependent on the relocation type. */
3892 case R_PARISC_DLTREL21L
:
3893 case R_PARISC_DLTREL14R
:
3894 case R_PARISC_DLTREL14F
:
3895 case R_PARISC_PLABEL32
:
3896 case R_PARISC_PLABEL21L
:
3897 case R_PARISC_PLABEL14R
:
3898 /* For plabel relocations, the addend of the
3899 relocation should be either 0 (no static link) or 2
3900 (static link required).
3902 FIXME: We always assume no static link!
3904 We also slam a zero addend into the DLT relative relocs;
3905 it doesn't make a lot of sense to use any addend since
3906 it gets you a different (eg unknown) DLT entry. */
3910 case R_PARISC_PCREL21L
:
3911 case R_PARISC_PCREL17R
:
3912 case R_PARISC_PCREL17F
:
3913 case R_PARISC_PCREL17C
:
3914 case R_PARISC_PCREL14R
:
3915 case R_PARISC_PCREL14F
:
3916 /* The constant is stored in the instruction. */
3917 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
3920 reloc
->addend
= fixp
->fx_offset
;
3927 /* Walk over reach relocation returned by the BFD backend. */
3928 for (i
= 0; i
< n_relocs
; i
++)
3932 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
3933 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
3934 relocs
[i
]->howto
= bfd_reloc_type_lookup (stdoutput
, code
);
3935 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3940 /* The only time we ever use a R_COMP2 fixup is for the difference
3941 of two symbols. With that in mind we fill in all four
3942 relocs now and break out of the loop. */
3944 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
3945 relocs
[0]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[0]);
3946 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3947 relocs
[0]->addend
= 0;
3948 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
3949 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
3950 relocs
[1]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[1]);
3951 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3952 relocs
[1]->addend
= 0;
3953 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
3954 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
3955 relocs
[2]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[2]);
3956 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3957 relocs
[2]->addend
= 0;
3958 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
3959 relocs
[3]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[3]);
3960 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3961 relocs
[3]->addend
= 0;
3962 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
3963 relocs
[4]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[4]);
3964 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
3965 relocs
[4]->addend
= 0;
3969 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
3975 /* For plabel relocations, the addend of the
3976 relocation should be either 0 (no static link) or 2
3977 (static link required).
3979 FIXME: We always assume no static link!
3981 We also slam a zero addend into the DLT relative relocs;
3982 it doesn't make a lot of sense to use any addend since
3983 it gets you a different (eg unknown) DLT entry. */
3984 relocs
[i
]->addend
= 0;
3999 /* There is no symbol or addend associated with these fixups. */
4000 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4001 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4002 relocs
[i
]->addend
= 0;
4008 /* There is no symbol associated with these fixups. */
4009 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4010 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4011 relocs
[i
]->addend
= fixp
->fx_offset
;
4015 relocs
[i
]->addend
= fixp
->fx_offset
;
4025 /* Process any machine dependent frag types. */
4028 md_convert_frag (abfd
, sec
, fragP
)
4030 register asection
*sec
;
4031 register fragS
*fragP
;
4033 unsigned int address
;
4035 if (fragP
->fr_type
== rs_machine_dependent
)
4037 switch ((int) fragP
->fr_subtype
)
4040 fragP
->fr_type
= rs_fill
;
4041 know (fragP
->fr_var
== 1);
4042 know (fragP
->fr_next
);
4043 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4044 if (address
% fragP
->fr_offset
)
4047 fragP
->fr_next
->fr_address
4052 fragP
->fr_offset
= 0;
4058 /* Round up a section size to the appropriate boundary. */
4061 md_section_align (segment
, size
)
4065 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4066 int align2
= (1 << align
) - 1;
4068 return (size
+ align2
) & ~align2
;
4071 /* Return the approximate size of a frag before relaxation has occurred. */
4073 md_estimate_size_before_relax (fragP
, segment
)
4074 register fragS
*fragP
;
4081 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4087 CONST
char *md_shortopts
= "";
4088 struct option md_longopts
[] = {
4089 {NULL
, no_argument
, NULL
, 0}
4091 size_t md_longopts_size
= sizeof(md_longopts
);
4094 md_parse_option (c
, arg
)
4102 md_show_usage (stream
)
4107 /* We have no need to default values of symbols. */
4110 md_undefined_symbol (name
)
4116 /* Apply a fixup to an instruction. */
4119 md_apply_fix (fixP
, valp
)
4123 char *buf
= fixP
->fx_where
+ fixP
->fx_frag
->fr_literal
;
4124 struct hppa_fix_struct
*hppa_fixP
;
4125 long new_val
, result
= 0;
4126 unsigned int w1
, w2
, w
, resulti
;
4128 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4129 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4130 never be "applied" (they are just markers). Likewise for
4131 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4133 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4134 || fixP
->fx_r_type
== R_HPPA_EXIT
4135 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4136 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4137 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4140 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4141 fixups are considered not adjustable, which in turn causes
4142 adjust_reloc_syms to not set fx_offset. Ugh. */
4143 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4145 fixP
->fx_offset
= *valp
;
4150 /* There should have been an HPPA specific fixup associated
4151 with the GAS fixup. */
4154 unsigned long buf_wd
= bfd_get_32 (stdoutput
, buf
);
4155 unsigned char fmt
= bfd_hppa_insn2fmt (buf_wd
);
4157 /* If there is a symbol associated with this fixup, then it's something
4158 which will need a SOM relocation (except for some PC-relative relocs).
4159 In such cases we should treat the "val" or "addend" as zero since it
4160 will be added in as needed from fx_offset in tc_gen_reloc. */
4161 if ((fixP
->fx_addsy
!= NULL
4162 || fixP
->fx_r_type
== R_HPPA_NONE
)
4167 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4169 /* These field selectors imply that we do not want an addend. */
4170 else if (hppa_fixP
->fx_r_field
== e_psel
4171 || hppa_fixP
->fx_r_field
== e_rpsel
4172 || hppa_fixP
->fx_r_field
== e_lpsel
4173 || hppa_fixP
->fx_r_field
== e_tsel
4174 || hppa_fixP
->fx_r_field
== e_rtsel
4175 || hppa_fixP
->fx_r_field
== e_ltsel
)
4176 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4177 /* This is truely disgusting. The machine independent code blindly
4178 adds in the value of the symbol being relocated against. Damn! */
4180 && fixP
->fx_addsy
!= NULL
4181 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
4182 new_val
= hppa_field_adjust (*valp
- S_GET_VALUE (fixP
->fx_addsy
),
4183 0, hppa_fixP
->fx_r_field
);
4186 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4188 /* Handle pc-relative exceptions from above. */
4189 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4190 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
4191 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4195 && !arg_reloc_stub_needed ((long) ((obj_symbol_type
*)
4196 symbol_get_bfdsym (fixP
->fx_addsy
))->tc_data
.ap
.hppa_arg_reloc
,
4197 hppa_fixP
->fx_arg_reloc
)
4199 && (((int)(*valp
) > -262144 && (int)(*valp
) < 262143) && fmt
!= 22)
4200 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4202 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4204 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4205 #undef arg_reloc_stub_needed
4209 /* Handle all opcodes with the 'j' operand type. */
4211 CHECK_FIELD (new_val
, 8191, -8192, 0);
4213 /* Mask off 14 bits to be changed. */
4214 bfd_put_32 (stdoutput
,
4215 bfd_get_32 (stdoutput
, buf
) & 0xffffc000,
4217 low_sign_unext (new_val
, 14, &resulti
);
4221 /* Handle all opcodes with the 'k' operand type. */
4223 CHECK_FIELD (new_val
, 2097152, 0, 0);
4225 /* Mask off 21 bits to be changed. */
4226 bfd_put_32 (stdoutput
,
4227 bfd_get_32 (stdoutput
, buf
) & 0xffe00000,
4229 dis_assemble_21 (new_val
, &resulti
);
4233 /* Handle all the opcodes with the 'i' operand type. */
4235 CHECK_FIELD (new_val
, 1023, -1023, 0);
4237 /* Mask off 11 bits to be changed. */
4238 bfd_put_32 (stdoutput
,
4239 bfd_get_32 (stdoutput
, buf
) & 0xffff800,
4241 low_sign_unext (new_val
, 11, &resulti
);
4245 /* Handle all the opcodes with the 'w' operand type. */
4247 CHECK_FIELD (new_val
, 8199, -8184, 0);
4249 /* Mask off 11 bits to be changed. */
4250 sign_unext ((new_val
- 8) >> 2, 12, &resulti
);
4251 bfd_put_32 (stdoutput
,
4252 bfd_get_32 (stdoutput
, buf
) & 0xffffe002,
4255 dis_assemble_12 (resulti
, &w1
, &w
);
4256 result
= ((w1
<< 2) | w
);
4259 /* Handle some of the opcodes with the 'W' operand type. */
4262 int distance
= *valp
;
4264 CHECK_FIELD (new_val
, 262143, -262144, 0);
4266 /* If this is an absolute branch (ie no link) with an out of
4267 range target, then we want to complain. */
4268 if (fixP
->fx_r_type
== R_HPPA_PCREL_CALL
4269 && (distance
> 262143 || distance
< -262144)
4270 && (bfd_get_32 (stdoutput
, buf
) & 0xffe00000) == 0xe8000000)
4271 CHECK_FIELD (distance
, 262143, -262144, 0);
4273 /* Mask off 17 bits to be changed. */
4274 bfd_put_32 (stdoutput
,
4275 bfd_get_32 (stdoutput
, buf
) & 0xffe0e002,
4277 sign_unext ((new_val
- 8) >> 2, 17, &resulti
);
4278 dis_assemble_17 (resulti
, &w1
, &w2
, &w
);
4279 result
= ((w2
<< 2) | (w1
<< 16) | w
);
4285 int distance
= *valp
, w3
;
4287 CHECK_FIELD (new_val
, 8388607, -8388608, 0);
4289 /* If this is an absolute branch (ie no link) with an out of
4290 range target, then we want to complain. */
4291 if (fixP
->fx_r_type
== R_HPPA_PCREL_CALL
4292 && (distance
> 8388607 || distance
< -8388608)
4293 && (bfd_get_32 (stdoutput
, buf
) & 0xffe00000) == 0xe8000000)
4294 CHECK_FIELD (distance
, 8388607, -8388608, 0);
4296 /* Mask off 22 bits to be changed. */
4297 bfd_put_32 (stdoutput
,
4298 bfd_get_32 (stdoutput
, buf
) & 0xfc00e002,
4300 sign_unext ((new_val
- 8) >> 2, 22, &resulti
);
4301 dis_assemble_22 (resulti
, &w3
, &w1
, &w2
, &w
);
4302 result
= ((w3
<< 21) | (w2
<< 2) | (w1
<< 16) | w
);
4308 bfd_put_32 (stdoutput
, new_val
, buf
);
4312 as_bad (_("Unknown relocation encountered in md_apply_fix."));
4316 /* Insert the relocation. */
4317 bfd_put_32 (stdoutput
, bfd_get_32 (stdoutput
, buf
) | result
, buf
);
4322 printf (_("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n"),
4323 (unsigned int) fixP
, fixP
->fx_r_type
);
4328 /* Exactly what point is a PC-relative offset relative TO?
4329 On the PA, they're relative to the address of the offset. */
4332 md_pcrel_from (fixP
)
4335 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4338 /* Return nonzero if the input line pointer is at the end of
4342 is_end_of_statement ()
4344 return ((*input_line_pointer
== '\n')
4345 || (*input_line_pointer
== ';')
4346 || (*input_line_pointer
== '!'));
4349 /* Read a number from S. The number might come in one of many forms,
4350 the most common will be a hex or decimal constant, but it could be
4351 a pre-defined register (Yuk!), or an absolute symbol.
4353 Return a number or -1 for failure.
4355 When parsing PA-89 FP register numbers RESULT will be
4356 the address of a structure to return information about
4357 L/R half of FP registers, store results there as appropriate.
4359 pa_parse_number can not handle negative constants and will fail
4360 horribly if it is passed such a constant. */
4363 pa_parse_number (s
, result
)
4365 struct pa_11_fp_reg_struct
*result
;
4374 /* Skip whitespace before the number. */
4375 while (*p
== ' ' || *p
== '\t')
4378 /* Store info in RESULT if requested by caller. */
4381 result
->number_part
= -1;
4382 result
->l_r_select
= -1;
4388 /* Looks like a number. */
4391 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4393 /* The number is specified in hex. */
4395 while (isdigit (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4396 || ((*p
>= 'A') && (*p
<= 'F')))
4399 num
= num
* 16 + *p
- '0';
4400 else if (*p
>= 'a' && *p
<= 'f')
4401 num
= num
* 16 + *p
- 'a' + 10;
4403 num
= num
* 16 + *p
- 'A' + 10;
4409 /* The number is specified in decimal. */
4410 while (isdigit (*p
))
4412 num
= num
* 10 + *p
- '0';
4417 /* Store info in RESULT if requested by the caller. */
4420 result
->number_part
= num
;
4422 if (IS_R_SELECT (p
))
4424 result
->l_r_select
= 1;
4427 else if (IS_L_SELECT (p
))
4429 result
->l_r_select
= 0;
4433 result
->l_r_select
= 0;
4438 /* The number might be a predefined register. */
4443 /* Tege hack: Special case for general registers as the general
4444 code makes a binary search with case translation, and is VERY
4449 if (*p
== 'e' && *(p
+ 1) == 't'
4450 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4453 num
= *p
- '0' + 28;
4461 else if (!isdigit (*p
))
4464 as_bad (_("Undefined register: '%s'."), name
);
4470 num
= num
* 10 + *p
++ - '0';
4471 while (isdigit (*p
));
4476 /* Do a normal register search. */
4477 while (is_part_of_name (c
))
4483 status
= reg_name_search (name
);
4489 as_bad (_("Undefined register: '%s'."), name
);
4495 /* Store info in RESULT if requested by caller. */
4498 result
->number_part
= num
;
4499 if (IS_R_SELECT (p
- 1))
4500 result
->l_r_select
= 1;
4501 else if (IS_L_SELECT (p
- 1))
4502 result
->l_r_select
= 0;
4504 result
->l_r_select
= 0;
4509 /* And finally, it could be a symbol in the absolute section which
4510 is effectively a constant. */
4514 while (is_part_of_name (c
))
4520 if ((sym
= symbol_find (name
)) != NULL
)
4522 if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4523 num
= S_GET_VALUE (sym
);
4527 as_bad (_("Non-absolute symbol: '%s'."), name
);
4533 /* There is where we'd come for an undefined symbol
4534 or for an empty string. For an empty string we
4535 will return zero. That's a concession made for
4536 compatability with the braindamaged HP assemblers. */
4542 as_bad (_("Undefined absolute constant: '%s'."), name
);
4548 /* Store info in RESULT if requested by caller. */
4551 result
->number_part
= num
;
4552 if (IS_R_SELECT (p
- 1))
4553 result
->l_r_select
= 1;
4554 else if (IS_L_SELECT (p
- 1))
4555 result
->l_r_select
= 0;
4557 result
->l_r_select
= 0;
4565 #define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
4567 /* Given NAME, find the register number associated with that name, return
4568 the integer value associated with the given name or -1 on failure. */
4571 reg_name_search (name
)
4574 int middle
, low
, high
;
4578 high
= REG_NAME_CNT
- 1;
4582 middle
= (low
+ high
) / 2;
4583 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4589 return pre_defined_registers
[middle
].value
;
4591 while (low
<= high
);
4597 /* Return nonzero if the given INSN and L/R information will require
4598 a new PA-1.1 opcode. */
4601 need_pa11_opcode (insn
, result
)
4603 struct pa_11_fp_reg_struct
*result
;
4605 if (result
->l_r_select
== 1 && !(insn
->fpof1
== DBL
&& insn
->fpof2
== DBL
))
4607 /* If this instruction is specific to a particular architecture,
4608 then set a new architecture. */
4609 if (bfd_get_mach (stdoutput
) < pa11
)
4611 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4612 as_warn (_("could not update architecture and machine"));
4620 /* Parse a condition for a fcmp instruction. Return the numerical
4621 code associated with the condition. */
4624 pa_parse_fp_cmp_cond (s
)
4631 for (i
= 0; i
< 32; i
++)
4633 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4634 strlen (fp_cond_map
[i
].string
)) == 0)
4636 cond
= fp_cond_map
[i
].cond
;
4637 *s
+= strlen (fp_cond_map
[i
].string
);
4638 /* If not a complete match, back up the input string and
4640 if (**s
!= ' ' && **s
!= '\t')
4642 *s
-= strlen (fp_cond_map
[i
].string
);
4645 while (**s
== ' ' || **s
== '\t')
4651 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4653 /* Advance over the bogus completer. */
4654 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4660 /* Parse a graphics test complete for ftest. */
4663 pa_parse_ftest_gfx_completer (s
)
4669 if (strncasecmp (*s
, "acc8", 4) == 0)
4674 else if (strncasecmp (*s
, "acc6", 4) == 0)
4679 else if (strncasecmp (*s
, "acc4", 4) == 0)
4684 else if (strncasecmp (*s
, "acc2", 4) == 0)
4689 else if (strncasecmp (*s
, "acc", 3) == 0)
4694 else if (strncasecmp (*s
, "rej8", 4) == 0)
4699 else if (strncasecmp (*s
, "rej", 3) == 0)
4707 as_bad (_("Invalid FTEST completer: %s"), *s
);
4713 /* Parse an FP operand format completer returning the completer
4716 static fp_operand_format
4717 pa_parse_fp_cnv_format (s
)
4726 if (strncasecmp (*s
, "sgl", 3) == 0)
4731 else if (strncasecmp (*s
, "dbl", 3) == 0)
4736 else if (strncasecmp (*s
, "quad", 4) == 0)
4741 else if (strncasecmp (*s
, "w", 1) == 0)
4746 else if (strncasecmp (*s
, "uw", 2) == 0)
4751 else if (strncasecmp (*s
, "dw", 2) == 0)
4756 else if (strncasecmp (*s
, "udw", 3) == 0)
4761 else if (strncasecmp (*s
, "qw", 2) == 0)
4766 else if (strncasecmp (*s
, "uqw", 3) == 0)
4773 format
= ILLEGAL_FMT
;
4774 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
4781 /* Parse an FP operand format completer returning the completer
4784 static fp_operand_format
4785 pa_parse_fp_format (s
)
4794 if (strncasecmp (*s
, "sgl", 3) == 0)
4799 else if (strncasecmp (*s
, "dbl", 3) == 0)
4804 else if (strncasecmp (*s
, "quad", 4) == 0)
4811 format
= ILLEGAL_FMT
;
4812 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
4819 /* Convert from a selector string into a selector type. */
4822 pa_chk_field_selector (str
)
4825 int middle
, low
, high
;
4829 /* Read past any whitespace. */
4830 /* FIXME: should we read past newlines and formfeeds??? */
4831 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
4834 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
4835 name
[0] = tolower ((*str
)[0]),
4837 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
4838 name
[0] = tolower ((*str
)[0]),
4839 name
[1] = tolower ((*str
)[1]),
4841 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
4842 name
[0] = tolower ((*str
)[0]),
4843 name
[1] = tolower ((*str
)[1]),
4844 name
[2] = tolower ((*str
)[2]),
4850 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
4854 middle
= (low
+ high
) / 2;
4855 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
4862 *str
+= strlen (name
) + 1;
4864 if (selector_table
[middle
].field_selector
== e_nsel
)
4867 return selector_table
[middle
].field_selector
;
4870 while (low
<= high
);
4875 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
4878 get_expression (str
)
4884 save_in
= input_line_pointer
;
4885 input_line_pointer
= str
;
4886 seg
= expression (&the_insn
.exp
);
4887 if (!(seg
== absolute_section
4888 || seg
== undefined_section
4889 || SEG_NORMAL (seg
)))
4891 as_warn (_("Bad segment in expression."));
4892 expr_end
= input_line_pointer
;
4893 input_line_pointer
= save_in
;
4896 expr_end
= input_line_pointer
;
4897 input_line_pointer
= save_in
;
4901 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
4903 pa_get_absolute_expression (insn
, strp
)
4909 insn
->field_selector
= pa_chk_field_selector (strp
);
4910 save_in
= input_line_pointer
;
4911 input_line_pointer
= *strp
;
4912 expression (&insn
->exp
);
4913 /* This is not perfect, but is a huge improvement over doing nothing.
4915 The PA assembly syntax is ambigious in a variety of ways. Consider
4916 this string "4 %r5" Is that the number 4 followed by the register
4917 r5, or is that 4 MOD 5?
4919 If we get a modulo expresion When looking for an absolute, we try
4920 again cutting off the input string at the first whitespace character. */
4921 if (insn
->exp
.X_op
== O_modulus
)
4926 input_line_pointer
= *strp
;
4928 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4934 retval
= pa_get_absolute_expression (insn
, strp
);
4936 input_line_pointer
= save_in
;
4938 return evaluate_absolute (insn
);
4940 /* When in strict mode we have a non-match, fix up the pointers
4941 and return to our caller. */
4942 if (insn
->exp
.X_op
!= O_constant
&& strict
)
4944 expr_end
= input_line_pointer
;
4945 input_line_pointer
= save_in
;
4948 if (insn
->exp
.X_op
!= O_constant
)
4950 as_bad (_("Bad segment (should be absolute)."));
4951 expr_end
= input_line_pointer
;
4952 input_line_pointer
= save_in
;
4955 expr_end
= input_line_pointer
;
4956 input_line_pointer
= save_in
;
4957 return evaluate_absolute (insn
);
4960 /* Evaluate an absolute expression EXP which may be modified by
4961 the selector FIELD_SELECTOR. Return the value of the expression. */
4963 evaluate_absolute (insn
)
4968 int field_selector
= insn
->field_selector
;
4971 value
= exp
.X_add_number
;
4973 switch (field_selector
)
4979 /* If bit 21 is on then add 0x800 and arithmetic shift right 11 bits. */
4981 if (value
& 0x00000400)
4983 value
= (value
& 0xfffff800) >> 11;
4986 /* Sign extend from bit 21. */
4988 if (value
& 0x00000400)
4989 value
|= 0xfffff800;
4994 /* Arithmetic shift right 11 bits. */
4996 value
= (value
& 0xfffff800) >> 11;
4999 /* Set bits 0-20 to zero. */
5001 value
= value
& 0x7ff;
5004 /* Add 0x800 and arithmetic shift right 11 bits. */
5007 value
= (value
& 0xfffff800) >> 11;
5010 /* Set bitgs 0-21 to one. */
5012 value
|= 0xfffff800;
5015 #define RSEL_ROUND(c) (((c) + 0x1000) & ~0x1fff)
5017 value
= (RSEL_ROUND (value
) & 0x7ff) + (value
- RSEL_ROUND (value
));
5021 value
= (RSEL_ROUND (value
) >> 11) & 0x1fffff;
5026 BAD_CASE (field_selector
);
5032 /* Given an argument location specification return the associated
5033 argument location number. */
5036 pa_build_arg_reloc (type_name
)
5040 if (strncasecmp (type_name
, "no", 2) == 0)
5042 if (strncasecmp (type_name
, "gr", 2) == 0)
5044 else if (strncasecmp (type_name
, "fr", 2) == 0)
5046 else if (strncasecmp (type_name
, "fu", 2) == 0)
5049 as_bad (_("Invalid argument location: %s\n"), type_name
);
5054 /* Encode and return an argument relocation specification for
5055 the given register in the location specified by arg_reloc. */
5058 pa_align_arg_reloc (reg
, arg_reloc
)
5060 unsigned int arg_reloc
;
5062 unsigned int new_reloc
;
5064 new_reloc
= arg_reloc
;
5080 as_bad (_("Invalid argument description: %d"), reg
);
5086 /* Parse a PA nullification completer (,n). Return nonzero if the
5087 completer was found; return zero if no completer was found. */
5099 if (strncasecmp (*s
, "n", 1) == 0)
5103 as_bad (_("Invalid Nullification: (%c)"), **s
);
5112 /* Parse a non-negated compare/subtract completer returning the
5113 number (for encoding in instrutions) of the given completer.
5115 ISBRANCH specifies whether or not this is parsing a condition
5116 completer for a branch (vs a nullification completer for a
5117 computational instruction. */
5120 pa_parse_nonneg_cmpsub_cmpltr (s
, isbranch
)
5125 char *name
= *s
+ 1;
5134 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5140 if (strcmp (name
, "=") == 0)
5144 else if (strcmp (name
, "<") == 0)
5148 else if (strcmp (name
, "<=") == 0)
5152 else if (strcmp (name
, "<<") == 0)
5156 else if (strcmp (name
, "<<=") == 0)
5160 else if (strcasecmp (name
, "sv") == 0)
5164 else if (strcasecmp (name
, "od") == 0)
5168 /* If we have something like addb,n then there is no condition
5170 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5182 /* Reset pointers if this was really a ,n for a branch instruction. */
5190 /* Parse a negated compare/subtract completer returning the
5191 number (for encoding in instrutions) of the given completer.
5193 ISBRANCH specifies whether or not this is parsing a condition
5194 completer for a branch (vs a nullification completer for a
5195 computational instruction. */
5198 pa_parse_neg_cmpsub_cmpltr (s
, isbranch
)
5203 char *name
= *s
+ 1;
5212 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5218 if (strcasecmp (name
, "tr") == 0)
5222 else if (strcmp (name
, "<>") == 0)
5226 else if (strcmp (name
, ">=") == 0)
5230 else if (strcmp (name
, ">") == 0)
5234 else if (strcmp (name
, ">>=") == 0)
5238 else if (strcmp (name
, ">>") == 0)
5242 else if (strcasecmp (name
, "nsv") == 0)
5246 else if (strcasecmp (name
, "ev") == 0)
5250 /* If we have something like addb,n then there is no condition
5252 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5264 /* Reset pointers if this was really a ,n for a branch instruction. */
5273 /* Parse a non-negated addition completer returning the number
5274 (for encoding in instrutions) of the given completer.
5276 ISBRANCH specifies whether or not this is parsing a condition
5277 completer for a branch (vs a nullification completer for a
5278 computational instruction. */
5281 pa_parse_nonneg_add_cmpltr (s
, isbranch
)
5286 char *name
= *s
+ 1;
5294 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5298 if (strcmp (name
, "=") == 0)
5302 else if (strcmp (name
, "<") == 0)
5306 else if (strcmp (name
, "<=") == 0)
5310 else if (strcasecmp (name
, "nuv") == 0)
5314 else if (strcasecmp (name
, "znv") == 0)
5318 else if (strcasecmp (name
, "sv") == 0)
5322 else if (strcasecmp (name
, "od") == 0)
5326 /* If we have something like addb,n then there is no condition
5328 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5339 /* Reset pointers if this was really a ,n for a branch instruction. */
5340 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
5346 /* Parse a negated addition completer returning the number
5347 (for encoding in instrutions) of the given completer.
5349 ISBRANCH specifies whether or not this is parsing a condition
5350 completer for a branch (vs a nullification completer for a
5351 computational instruction). */
5354 pa_parse_neg_add_cmpltr (s
, isbranch
)
5359 char *name
= *s
+ 1;
5367 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5371 if (strcasecmp (name
, "tr") == 0)
5375 else if (strcmp (name
, "<>") == 0)
5379 else if (strcmp (name
, ">=") == 0)
5383 else if (strcmp (name
, ">") == 0)
5387 else if (strcasecmp (name
, "uv") == 0)
5391 else if (strcasecmp (name
, "vnz") == 0)
5395 else if (strcasecmp (name
, "nsv") == 0)
5399 else if (strcasecmp (name
, "ev") == 0)
5403 /* If we have something like addb,n then there is no condition
5405 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5416 /* Reset pointers if this was really a ,n for a branch instruction. */
5417 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
5424 /* Handle an alignment directive. Special so that we can update the
5425 alignment of the subspace if necessary. */
5429 /* We must have a valid space and subspace. */
5430 pa_check_current_space_and_subspace ();
5432 /* Let the generic gas code do most of the work. */
5433 s_align_bytes (bytes
);
5435 /* If bytes is a power of 2, then update the current subspace's
5436 alignment if necessary. */
5437 if (log2 (bytes
) != -1)
5438 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5442 /* Handle a .BLOCK type pseudo-op. */
5450 unsigned int temp_size
;
5454 /* We must have a valid space and subspace. */
5455 pa_check_current_space_and_subspace ();
5458 temp_size
= get_absolute_expression ();
5460 /* Always fill with zeros, that's what the HP assembler does. */
5463 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5464 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5465 memset (p
, 0, temp_size
);
5467 /* Convert 2 bytes at a time. */
5469 for (i
= 0; i
< temp_size
; i
+= 2)
5471 md_number_to_chars (p
+ i
,
5473 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5476 pa_undefine_label ();
5477 demand_empty_rest_of_line ();
5480 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5488 /* The BRTAB relocations are only availble in SOM (to denote
5489 the beginning and end of branch tables). */
5490 char *where
= frag_more (0);
5492 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5493 NULL
, (offsetT
) 0, NULL
,
5494 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5495 e_fsel
, 0, 0, NULL
);
5498 demand_empty_rest_of_line ();
5501 /* Handle a .begin_try and .end_try pseudo-op. */
5509 char *where
= frag_more (0);
5514 /* The TRY relocations are only availble in SOM (to denote
5515 the beginning and end of exception handling regions). */
5517 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5518 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5519 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5520 e_fsel
, 0, 0, NULL
);
5523 demand_empty_rest_of_line ();
5526 /* Handle a .CALL pseudo-op. This involves storing away information
5527 about where arguments are to be found so the linker can detect
5528 (and correct) argument location mismatches between caller and callee. */
5535 /* We must have a valid space and subspace. */
5536 pa_check_current_space_and_subspace ();
5539 pa_call_args (&last_call_desc
);
5540 demand_empty_rest_of_line ();
5543 /* Do the dirty work of building a call descriptor which describes
5544 where the caller placed arguments to a function call. */
5547 pa_call_args (call_desc
)
5548 struct call_desc
*call_desc
;
5551 unsigned int temp
, arg_reloc
;
5553 while (!is_end_of_statement ())
5555 name
= input_line_pointer
;
5556 c
= get_symbol_end ();
5557 /* Process a source argument. */
5558 if ((strncasecmp (name
, "argw", 4) == 0))
5560 temp
= atoi (name
+ 4);
5561 p
= input_line_pointer
;
5563 input_line_pointer
++;
5564 name
= input_line_pointer
;
5565 c
= get_symbol_end ();
5566 arg_reloc
= pa_build_arg_reloc (name
);
5567 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5569 /* Process a return value. */
5570 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5572 p
= input_line_pointer
;
5574 input_line_pointer
++;
5575 name
= input_line_pointer
;
5576 c
= get_symbol_end ();
5577 arg_reloc
= pa_build_arg_reloc (name
);
5578 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5582 as_bad (_("Invalid .CALL argument: %s"), name
);
5584 p
= input_line_pointer
;
5586 if (!is_end_of_statement ())
5587 input_line_pointer
++;
5591 /* Return TRUE if FRAG1 and FRAG2 are the same. */
5594 is_same_frag (frag1
, frag2
)
5601 else if (frag2
== NULL
)
5603 else if (frag1
== frag2
)
5605 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
5606 return (is_same_frag (frag1
, frag2
->fr_next
));
5612 /* Build an entry in the UNWIND subspace from the given function
5613 attributes in CALL_INFO. This is not needed for SOM as using
5614 R_ENTRY and R_EXIT relocations allow the linker to handle building
5615 of the unwind spaces. */
5618 pa_build_unwind_subspace (call_info
)
5619 struct call_info
*call_info
;
5622 asection
*seg
, *save_seg
;
5624 subsegT subseg
, save_subseg
;
5628 if (now_seg
!= text_section
)
5631 if (bfd_get_arch_info (stdoutput
)->bits_per_address
== 32)
5632 reloc
= R_PARISC_DIR32
;
5634 reloc
= R_PARISC_SEGREL32
;
5636 /* Get into the right seg/subseg. This may involve creating
5637 the seg the first time through. Make sure to have the
5638 old seg/subseg so that we can reset things when we are done. */
5639 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
5640 if (seg
== ASEC_NULL
)
5642 seg
= bfd_make_section_old_way (stdoutput
, UNWIND_SECTION_NAME
);
5643 bfd_set_section_flags (stdoutput
, seg
,
5644 SEC_READONLY
| SEC_HAS_CONTENTS
5645 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
5646 bfd_set_section_alignment (stdoutput
, seg
, 2);
5650 save_subseg
= now_subseg
;
5651 subseg_set (seg
, 0);
5654 /* Get some space to hold relocation information for the unwind
5657 md_number_to_chars (p
, 0, 4);
5659 /* Relocation info. for start offset of the function. */
5660 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
5661 call_info
->start_symbol
, (offsetT
) 0,
5662 (expressionS
*) NULL
, 0, reloc
,
5663 e_fsel
, 32, 0, NULL
);
5666 md_number_to_chars (p
, 0, 4);
5668 /* Relocation info. for end offset of the function.
5670 Because we allow reductions of 32bit relocations for ELF, this will be
5671 reduced to section_sym + offset which avoids putting the temporary
5672 symbol into the symbol table. It (should) end up giving the same
5673 value as call_info->start_symbol + function size once the linker is
5674 finished with its work. */
5676 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
5677 call_info
->end_symbol
, (offsetT
) 0,
5678 (expressionS
*) NULL
, 0, reloc
,
5679 e_fsel
, 32, 0, NULL
);
5682 unwind
= (char *) &call_info
->ci_unwind
;
5683 for (i
= 8; i
< sizeof (struct unwind_table
); i
++)
5687 FRAG_APPEND_1_CHAR (c
);
5691 /* Return back to the original segment/subsegment. */
5692 subseg_set (save_seg
, save_subseg
);
5696 /* Process a .CALLINFO pseudo-op. This information is used later
5697 to build unwind descriptors and maybe one day to support
5698 .ENTER and .LEAVE. */
5701 pa_callinfo (unused
)
5708 /* We must have a valid space and subspace. */
5709 pa_check_current_space_and_subspace ();
5712 /* .CALLINFO must appear within a procedure definition. */
5713 if (!within_procedure
)
5714 as_bad (_(".callinfo is not within a procedure definition"));
5716 /* Mark the fact that we found the .CALLINFO for the
5717 current procedure. */
5718 callinfo_found
= TRUE
;
5720 /* Iterate over the .CALLINFO arguments. */
5721 while (!is_end_of_statement ())
5723 name
= input_line_pointer
;
5724 c
= get_symbol_end ();
5725 /* Frame size specification. */
5726 if ((strncasecmp (name
, "frame", 5) == 0))
5728 p
= input_line_pointer
;
5730 input_line_pointer
++;
5731 temp
= get_absolute_expression ();
5732 if ((temp
& 0x3) != 0)
5734 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
5738 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
5739 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
5742 /* Entry register (GR, GR and SR) specifications. */
5743 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
5745 p
= input_line_pointer
;
5747 input_line_pointer
++;
5748 temp
= get_absolute_expression ();
5749 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
5750 even though %r19 is caller saved. I think this is a bug in
5751 the HP assembler, and we are not going to emulate it. */
5752 if (temp
< 3 || temp
> 18)
5753 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
5754 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
5756 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
5758 p
= input_line_pointer
;
5760 input_line_pointer
++;
5761 temp
= get_absolute_expression ();
5762 /* Similarly the HP assembler takes 31 as the high bound even
5763 though %fr21 is the last callee saved floating point register. */
5764 if (temp
< 12 || temp
> 21)
5765 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
5766 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
5768 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
5770 p
= input_line_pointer
;
5772 input_line_pointer
++;
5773 temp
= get_absolute_expression ();
5775 as_bad (_("Value for ENTRY_SR must be 3\n"));
5777 /* Note whether or not this function performs any calls. */
5778 else if ((strncasecmp (name
, "calls", 5) == 0) ||
5779 (strncasecmp (name
, "caller", 6) == 0))
5781 p
= input_line_pointer
;
5784 else if ((strncasecmp (name
, "no_calls", 8) == 0))
5786 p
= input_line_pointer
;
5789 /* Should RP be saved into the stack. */
5790 else if ((strncasecmp (name
, "save_rp", 7) == 0))
5792 p
= input_line_pointer
;
5794 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
5796 /* Likewise for SP. */
5797 else if ((strncasecmp (name
, "save_sp", 7) == 0))
5799 p
= input_line_pointer
;
5801 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
5803 /* Is this an unwindable procedure. If so mark it so
5804 in the unwind descriptor. */
5805 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
5807 p
= input_line_pointer
;
5809 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
5811 /* Is this an interrupt routine. If so mark it in the
5812 unwind descriptor. */
5813 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
5815 p
= input_line_pointer
;
5817 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
5819 /* Is this a millicode routine. "millicode" isn't in my
5820 assembler manual, but my copy is old. The HP assembler
5821 accepts it, and there's a place in the unwind descriptor
5822 to drop the information, so we'll accept it too. */
5823 else if ((strncasecmp (name
, "millicode", 9) == 0))
5825 p
= input_line_pointer
;
5827 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
5831 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
5832 *input_line_pointer
= c
;
5834 if (!is_end_of_statement ())
5835 input_line_pointer
++;
5838 demand_empty_rest_of_line ();
5841 /* Switch into the code subspace. */
5848 current_space
= is_defined_space ("$TEXT$");
5850 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
5853 pa_undefine_label ();
5856 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
5857 the .comm pseudo-op has the following symtax:
5859 <label> .comm <length>
5861 where <label> is optional and is a symbol whose address will be the start of
5862 a block of memory <length> bytes long. <length> must be an absolute
5863 expression. <length> bytes will be allocated in the current space
5866 Also note the label may not even be on the same line as the .comm.
5868 This difference in syntax means the colon function will be called
5869 on the symbol before we arrive in pa_comm. colon will set a number
5870 of attributes of the symbol that need to be fixed here. In particular
5871 the value, section pointer, fragment pointer, flags, etc. What
5874 This also makes error detection all but impossible. */
5882 label_symbol_struct
*label_symbol
= pa_get_label ();
5885 symbol
= label_symbol
->lss_label
;
5890 size
= get_absolute_expression ();
5894 S_SET_VALUE (symbol
, size
);
5895 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
5896 S_SET_EXTERNAL (symbol
);
5898 /* colon() has already set the frag to the current location in the
5899 current subspace; we need to reset the fragment to the zero address
5900 fragment. We also need to reset the segment pointer. */
5901 symbol_set_frag (symbol
, &zero_address_frag
);
5903 demand_empty_rest_of_line ();
5906 /* Process a .END pseudo-op. */
5912 demand_empty_rest_of_line ();
5915 /* Process a .ENTER pseudo-op. This is not supported. */
5921 /* We must have a valid space and subspace. */
5922 pa_check_current_space_and_subspace ();
5925 as_bad (_("The .ENTER pseudo-op is not supported"));
5926 demand_empty_rest_of_line ();
5929 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
5936 /* We must have a valid space and subspace. */
5937 pa_check_current_space_and_subspace ();
5940 if (!within_procedure
)
5941 as_bad (_("Misplaced .entry. Ignored."));
5944 if (!callinfo_found
)
5945 as_bad (_("Missing .callinfo."));
5947 demand_empty_rest_of_line ();
5948 within_entry_exit
= TRUE
;
5951 /* SOM defers building of unwind descriptors until the link phase.
5952 The assembler is responsible for creating an R_ENTRY relocation
5953 to mark the beginning of a region and hold the unwind bits, and
5954 for creating an R_EXIT relocation to mark the end of the region.
5956 FIXME. ELF should be using the same conventions! The problem
5957 is an unwind requires too much relocation space. Hmmm. Maybe
5958 if we split the unwind bits up between the relocations which
5959 denote the entry and exit points. */
5960 if (last_call_info
->start_symbol
!= NULL
)
5962 char *where
= frag_more (0);
5964 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5965 NULL
, (offsetT
) 0, NULL
,
5966 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
5967 (int *) &last_call_info
->ci_unwind
.descriptor
);
5972 /* Handle a .EQU pseudo-op. */
5978 label_symbol_struct
*label_symbol
= pa_get_label ();
5983 symbol
= label_symbol
->lss_label
;
5985 S_SET_VALUE (symbol
, pa_parse_number (&input_line_pointer
, 0));
5987 S_SET_VALUE (symbol
, (unsigned int) get_absolute_expression ());
5988 S_SET_SEGMENT (symbol
, bfd_abs_section_ptr
);
5993 as_bad (_(".REG must use a label"));
5995 as_bad (_(".EQU must use a label"));
5998 pa_undefine_label ();
5999 demand_empty_rest_of_line ();
6002 /* Helper function. Does processing for the end of a function. This
6003 usually involves creating some relocations or building special
6004 symbols to mark the end of the function. */
6011 where
= frag_more (0);
6014 /* Mark the end of the function, stuff away the location of the frag
6015 for the end of the function, and finally call pa_build_unwind_subspace
6016 to add an entry in the unwind table. */
6017 hppa_elf_mark_end_of_function ();
6018 pa_build_unwind_subspace (last_call_info
);
6020 /* SOM defers building of unwind descriptors until the link phase.
6021 The assembler is responsible for creating an R_ENTRY relocation
6022 to mark the beginning of a region and hold the unwind bits, and
6023 for creating an R_EXIT relocation to mark the end of the region.
6025 FIXME. ELF should be using the same conventions! The problem
6026 is an unwind requires too much relocation space. Hmmm. Maybe
6027 if we split the unwind bits up between the relocations which
6028 denote the entry and exit points. */
6029 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6031 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6032 (int *) &last_call_info
->ci_unwind
.descriptor
+ 1);
6036 /* Process a .EXIT pseudo-op. */
6043 /* We must have a valid space and subspace. */
6044 pa_check_current_space_and_subspace ();
6047 if (!within_procedure
)
6048 as_bad (_(".EXIT must appear within a procedure"));
6051 if (!callinfo_found
)
6052 as_bad (_("Missing .callinfo"));
6055 if (!within_entry_exit
)
6056 as_bad (_("No .ENTRY for this .EXIT"));
6059 within_entry_exit
= FALSE
;
6064 demand_empty_rest_of_line ();
6067 /* Process a .EXPORT directive. This makes functions external
6068 and provides information such as argument relocation entries
6078 name
= input_line_pointer
;
6079 c
= get_symbol_end ();
6080 /* Make sure the given symbol exists. */
6081 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6083 as_bad (_("Cannot define export symbol: %s\n"), name
);
6084 p
= input_line_pointer
;
6086 input_line_pointer
++;
6090 /* OK. Set the external bits and process argument relocations. */
6091 S_SET_EXTERNAL (symbol
);
6092 p
= input_line_pointer
;
6094 if (!is_end_of_statement ())
6096 input_line_pointer
++;
6097 pa_type_args (symbol
, 1);
6101 demand_empty_rest_of_line ();
6104 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6107 pa_type_args (symbolP
, is_export
)
6112 unsigned int temp
, arg_reloc
;
6113 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6114 obj_symbol_type
*symbol
= (obj_symbol_type
*) symbol_get_bfdsym (symbolP
);
6116 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6119 input_line_pointer
+= 8;
6120 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6121 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6122 type
= SYMBOL_TYPE_ABSOLUTE
;
6124 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6126 input_line_pointer
+= 4;
6127 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6128 instead one should be IMPORTing/EXPORTing ENTRY types.
6130 Complain if one tries to EXPORT a CODE type since that's never
6131 done. Both GCC and HP C still try to IMPORT CODE types, so
6132 silently fix them to be ENTRY types. */
6133 if (S_IS_FUNCTION (symbolP
))
6136 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6137 S_GET_NAME (symbolP
));
6139 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6140 type
= SYMBOL_TYPE_ENTRY
;
6144 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6145 type
= SYMBOL_TYPE_CODE
;
6148 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6150 input_line_pointer
+= 4;
6151 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6152 symbol_get_bfdsym (symbolP
)->flags
|= BSF_OBJECT
;
6153 type
= SYMBOL_TYPE_DATA
;
6155 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6157 input_line_pointer
+= 5;
6158 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6159 type
= SYMBOL_TYPE_ENTRY
;
6161 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6163 input_line_pointer
+= 9;
6164 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6165 type
= SYMBOL_TYPE_MILLICODE
;
6167 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6169 input_line_pointer
+= 6;
6170 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6171 type
= SYMBOL_TYPE_PLABEL
;
6173 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6175 input_line_pointer
+= 8;
6176 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6177 type
= SYMBOL_TYPE_PRI_PROG
;
6179 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6181 input_line_pointer
+= 8;
6182 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6183 type
= SYMBOL_TYPE_SEC_PROG
;
6186 /* SOM requires much more information about symbol types
6187 than BFD understands. This is how we get this information
6188 to the SOM BFD backend. */
6189 #ifdef obj_set_symbol_type
6190 obj_set_symbol_type (symbol_get_bfdsym (symbolP
), (int) type
);
6193 /* Now that the type of the exported symbol has been handled,
6194 handle any argument relocation information. */
6195 while (!is_end_of_statement ())
6197 if (*input_line_pointer
== ',')
6198 input_line_pointer
++;
6199 name
= input_line_pointer
;
6200 c
= get_symbol_end ();
6201 /* Argument sources. */
6202 if ((strncasecmp (name
, "argw", 4) == 0))
6204 p
= input_line_pointer
;
6206 input_line_pointer
++;
6207 temp
= atoi (name
+ 4);
6208 name
= input_line_pointer
;
6209 c
= get_symbol_end ();
6210 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6212 symbol
->tc_data
.ap
.hppa_arg_reloc
|= arg_reloc
;
6214 *input_line_pointer
= c
;
6216 /* The return value. */
6217 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6219 p
= input_line_pointer
;
6221 input_line_pointer
++;
6222 name
= input_line_pointer
;
6223 c
= get_symbol_end ();
6224 arg_reloc
= pa_build_arg_reloc (name
);
6226 symbol
->tc_data
.ap
.hppa_arg_reloc
|= arg_reloc
;
6228 *input_line_pointer
= c
;
6230 /* Privelege level. */
6231 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6233 p
= input_line_pointer
;
6235 input_line_pointer
++;
6236 temp
= atoi (input_line_pointer
);
6238 symbol
->tc_data
.ap
.hppa_priv_level
= temp
;
6240 c
= get_symbol_end ();
6241 *input_line_pointer
= c
;
6245 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6246 p
= input_line_pointer
;
6249 if (!is_end_of_statement ())
6250 input_line_pointer
++;
6254 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6255 assembly file must either be defined in the assembly file, or
6256 explicitly IMPORTED from another. */
6265 name
= input_line_pointer
;
6266 c
= get_symbol_end ();
6268 symbol
= symbol_find (name
);
6269 /* Ugh. We might be importing a symbol defined earlier in the file,
6270 in which case all the code below will really screw things up
6271 (set the wrong segment, symbol flags & type, etc). */
6272 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6274 symbol
= symbol_find_or_make (name
);
6275 p
= input_line_pointer
;
6278 if (!is_end_of_statement ())
6280 input_line_pointer
++;
6281 pa_type_args (symbol
, 0);
6285 /* Sigh. To be compatable with the HP assembler and to help
6286 poorly written assembly code, we assign a type based on
6287 the the current segment. Note only BSF_FUNCTION really
6288 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6289 if (now_seg
== text_section
)
6290 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6292 /* If the section is undefined, then the symbol is undefined
6293 Since this is an import, leave the section undefined. */
6294 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6299 /* The symbol was already defined. Just eat everything up to
6300 the end of the current statement. */
6301 while (!is_end_of_statement ())
6302 input_line_pointer
++;
6305 demand_empty_rest_of_line ();
6308 /* Handle a .LABEL pseudo-op. */
6316 name
= input_line_pointer
;
6317 c
= get_symbol_end ();
6319 if (strlen (name
) > 0)
6322 p
= input_line_pointer
;
6327 as_warn (_("Missing label name on .LABEL"));
6330 if (!is_end_of_statement ())
6332 as_warn (_("extra .LABEL arguments ignored."));
6333 ignore_rest_of_line ();
6335 demand_empty_rest_of_line ();
6338 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6345 /* We must have a valid space and subspace. */
6346 pa_check_current_space_and_subspace ();
6349 as_bad (_("The .LEAVE pseudo-op is not supported"));
6350 demand_empty_rest_of_line ();
6353 /* Handle a .LEVEL pseudo-op. */
6361 level
= input_line_pointer
;
6362 if (strncmp (level
, "1.0", 3) == 0)
6364 input_line_pointer
+= 3;
6365 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6366 as_warn (_("could not set architecture and machine"));
6368 else if (strncmp (level
, "1.1", 3) == 0)
6370 input_line_pointer
+= 3;
6371 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6372 as_warn (_("could not set architecture and machine"));
6374 else if (strncmp (level
, "2.0w", 4) == 0)
6376 input_line_pointer
+= 4;
6377 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6378 as_warn (_("could not set architecture and machine"));
6380 else if (strncmp (level
, "2.0", 3) == 0)
6382 input_line_pointer
+= 3;
6383 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6384 as_warn (_("could not set architecture and machine"));
6388 as_bad (_("Unrecognized .LEVEL argument\n"));
6389 ignore_rest_of_line ();
6391 demand_empty_rest_of_line ();
6394 /* Handle a .ORIGIN pseudo-op. */
6401 /* We must have a valid space and subspace. */
6402 pa_check_current_space_and_subspace ();
6406 pa_undefine_label ();
6409 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6410 is for static functions. FIXME. Should share more code with .EXPORT. */
6419 name
= input_line_pointer
;
6420 c
= get_symbol_end ();
6422 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6424 as_bad (_("Cannot define static symbol: %s\n"), name
);
6425 p
= input_line_pointer
;
6427 input_line_pointer
++;
6431 S_CLEAR_EXTERNAL (symbol
);
6432 p
= input_line_pointer
;
6434 if (!is_end_of_statement ())
6436 input_line_pointer
++;
6437 pa_type_args (symbol
, 0);
6441 demand_empty_rest_of_line ();
6444 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6445 of a procedure from a syntatical point of view. */
6451 struct call_info
*call_info
;
6454 /* We must have a valid space and subspace. */
6455 pa_check_current_space_and_subspace ();
6458 if (within_procedure
)
6459 as_fatal (_("Nested procedures"));
6461 /* Reset global variables for new procedure. */
6462 callinfo_found
= FALSE
;
6463 within_procedure
= TRUE
;
6465 /* Create another call_info structure. */
6466 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
6469 as_fatal (_("Cannot allocate unwind descriptor\n"));
6471 memset (call_info
, 0, sizeof (struct call_info
));
6473 call_info
->ci_next
= NULL
;
6475 if (call_info_root
== NULL
)
6477 call_info_root
= call_info
;
6478 last_call_info
= call_info
;
6482 last_call_info
->ci_next
= call_info
;
6483 last_call_info
= call_info
;
6486 /* set up defaults on call_info structure */
6488 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
6489 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
6490 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
6492 /* If we got a .PROC pseudo-op, we know that the function is defined
6493 locally. Make sure it gets into the symbol table. */
6495 label_symbol_struct
*label_symbol
= pa_get_label ();
6499 if (label_symbol
->lss_label
)
6501 last_call_info
->start_symbol
= label_symbol
->lss_label
;
6502 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
6505 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
6508 last_call_info
->start_symbol
= NULL
;
6511 demand_empty_rest_of_line ();
6514 /* Process the syntatical end of a procedure. Make sure all the
6515 appropriate pseudo-ops were found within the procedure. */
6523 /* We must have a valid space and subspace. */
6524 pa_check_current_space_and_subspace ();
6527 /* If we are within a procedure definition, make sure we've
6528 defined a label for the procedure; handle case where the
6529 label was defined after the .PROC directive.
6531 Note there's not need to diddle with the segment or fragment
6532 for the label symbol in this case. We have already switched
6533 into the new $CODE$ subspace at this point. */
6534 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
6536 label_symbol_struct
*label_symbol
= pa_get_label ();
6540 if (label_symbol
->lss_label
)
6542 last_call_info
->start_symbol
= label_symbol
->lss_label
;
6543 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
6546 /* Also handle allocation of a fixup to hold the unwind
6547 information when the label appears after the proc/procend. */
6548 if (within_entry_exit
)
6550 char *where
= frag_more (0);
6552 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6553 NULL
, (offsetT
) 0, NULL
,
6554 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
6555 (int *) &last_call_info
->ci_unwind
.descriptor
);
6560 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
6563 as_bad (_("Missing function name for .PROC"));
6566 if (!within_procedure
)
6567 as_bad (_("misplaced .procend"));
6569 if (!callinfo_found
)
6570 as_bad (_("Missing .callinfo for this procedure"));
6572 if (within_entry_exit
)
6573 as_bad (_("Missing .EXIT for a .ENTRY"));
6576 /* ELF needs to mark the end of each function so that it can compute
6577 the size of the function (apparently its needed in the symbol table). */
6578 hppa_elf_mark_end_of_function ();
6581 within_procedure
= FALSE
;
6582 demand_empty_rest_of_line ();
6583 pa_undefine_label ();
6586 /* If VALUE is an exact power of two between zero and 2^31, then
6587 return log2 (VALUE). Else return -1. */
6595 while ((1 << shift
) != value
&& shift
< 32)
6606 /* Check to make sure we have a valid space and subspace. */
6609 pa_check_current_space_and_subspace ()
6611 if (current_space
== NULL
)
6612 as_fatal (_("Not in a space.\n"));
6614 if (current_subspace
== NULL
)
6615 as_fatal (_("Not in a subspace.\n"));
6618 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
6619 then create a new space entry to hold the information specified
6620 by the parameters to the .SPACE directive. */
6622 static sd_chain_struct
*
6623 pa_parse_space_stmt (space_name
, create_flag
)
6627 char *name
, *ptemp
, c
;
6628 char loadable
, defined
, private, sort
;
6630 asection
*seg
= NULL
;
6631 sd_chain_struct
*space
;
6633 /* load default values */
6639 if (strcmp (space_name
, "$TEXT$") == 0)
6641 seg
= pa_def_spaces
[0].segment
;
6642 defined
= pa_def_spaces
[0].defined
;
6643 private = pa_def_spaces
[0].private;
6644 sort
= pa_def_spaces
[0].sort
;
6645 spnum
= pa_def_spaces
[0].spnum
;
6647 else if (strcmp (space_name
, "$PRIVATE$") == 0)
6649 seg
= pa_def_spaces
[1].segment
;
6650 defined
= pa_def_spaces
[1].defined
;
6651 private = pa_def_spaces
[1].private;
6652 sort
= pa_def_spaces
[1].sort
;
6653 spnum
= pa_def_spaces
[1].spnum
;
6656 if (!is_end_of_statement ())
6658 print_errors
= FALSE
;
6659 ptemp
= input_line_pointer
+ 1;
6660 /* First see if the space was specified as a number rather than
6661 as a name. According to the PA assembly manual the rest of
6662 the line should be ignored. */
6663 temp
= pa_parse_number (&ptemp
, 0);
6667 input_line_pointer
= ptemp
;
6671 while (!is_end_of_statement ())
6673 input_line_pointer
++;
6674 name
= input_line_pointer
;
6675 c
= get_symbol_end ();
6676 if ((strncasecmp (name
, "spnum", 5) == 0))
6678 *input_line_pointer
= c
;
6679 input_line_pointer
++;
6680 spnum
= get_absolute_expression ();
6682 else if ((strncasecmp (name
, "sort", 4) == 0))
6684 *input_line_pointer
= c
;
6685 input_line_pointer
++;
6686 sort
= get_absolute_expression ();
6688 else if ((strncasecmp (name
, "unloadable", 10) == 0))
6690 *input_line_pointer
= c
;
6693 else if ((strncasecmp (name
, "notdefined", 10) == 0))
6695 *input_line_pointer
= c
;
6698 else if ((strncasecmp (name
, "private", 7) == 0))
6700 *input_line_pointer
= c
;
6705 as_bad (_("Invalid .SPACE argument"));
6706 *input_line_pointer
= c
;
6707 if (!is_end_of_statement ())
6708 input_line_pointer
++;
6712 print_errors
= TRUE
;
6715 if (create_flag
&& seg
== NULL
)
6716 seg
= subseg_new (space_name
, 0);
6718 /* If create_flag is nonzero, then create the new space with
6719 the attributes computed above. Else set the values in
6720 an already existing space -- this can only happen for
6721 the first occurence of a built-in space. */
6723 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
6724 private, sort
, seg
, 1);
6727 space
= is_defined_space (space_name
);
6728 SPACE_SPNUM (space
) = spnum
;
6729 SPACE_DEFINED (space
) = defined
& 1;
6730 SPACE_USER_DEFINED (space
) = 1;
6733 #ifdef obj_set_section_attributes
6734 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
6740 /* Handle a .SPACE pseudo-op; this switches the current space to the
6741 given space, creating the new space if necessary. */
6747 char *name
, c
, *space_name
, *save_s
;
6749 sd_chain_struct
*sd_chain
;
6751 if (within_procedure
)
6753 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
6754 ignore_rest_of_line ();
6758 /* Check for some of the predefined spaces. FIXME: most of the code
6759 below is repeated several times, can we extract the common parts
6760 and place them into a subroutine or something similar? */
6761 /* FIXME Is this (and the next IF stmt) really right?
6762 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
6763 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
6765 input_line_pointer
+= 6;
6766 sd_chain
= is_defined_space ("$TEXT$");
6767 if (sd_chain
== NULL
)
6768 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
6769 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
6770 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
6772 current_space
= sd_chain
;
6773 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
6775 = pa_subsegment_to_subspace (text_section
,
6776 sd_chain
->sd_last_subseg
);
6777 demand_empty_rest_of_line ();
6780 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
6782 input_line_pointer
+= 9;
6783 sd_chain
= is_defined_space ("$PRIVATE$");
6784 if (sd_chain
== NULL
)
6785 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
6786 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
6787 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
6789 current_space
= sd_chain
;
6790 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
6792 = pa_subsegment_to_subspace (data_section
,
6793 sd_chain
->sd_last_subseg
);
6794 demand_empty_rest_of_line ();
6797 if (!strncasecmp (input_line_pointer
,
6798 GDB_DEBUG_SPACE_NAME
,
6799 strlen (GDB_DEBUG_SPACE_NAME
)))
6801 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
6802 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
6803 if (sd_chain
== NULL
)
6804 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
6805 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
6806 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
6808 current_space
= sd_chain
;
6811 asection
*gdb_section
6812 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
6814 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
6816 = pa_subsegment_to_subspace (gdb_section
,
6817 sd_chain
->sd_last_subseg
);
6819 demand_empty_rest_of_line ();
6823 /* It could be a space specified by number. */
6825 save_s
= input_line_pointer
;
6826 if ((temp
= pa_parse_number (&input_line_pointer
, 0)) >= 0)
6828 if ((sd_chain
= pa_find_space_by_number (temp
)))
6830 current_space
= sd_chain
;
6832 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
6834 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
6835 sd_chain
->sd_last_subseg
);
6836 demand_empty_rest_of_line ();
6841 /* Not a number, attempt to create a new space. */
6843 input_line_pointer
= save_s
;
6844 name
= input_line_pointer
;
6845 c
= get_symbol_end ();
6846 space_name
= xmalloc (strlen (name
) + 1);
6847 strcpy (space_name
, name
);
6848 *input_line_pointer
= c
;
6850 sd_chain
= pa_parse_space_stmt (space_name
, 1);
6851 current_space
= sd_chain
;
6853 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
6854 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
6855 sd_chain
->sd_last_subseg
);
6856 demand_empty_rest_of_line ();
6860 /* Switch to a new space. (I think). FIXME. */
6869 sd_chain_struct
*space
;
6871 name
= input_line_pointer
;
6872 c
= get_symbol_end ();
6873 space
= is_defined_space (name
);
6877 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
6880 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
6882 *input_line_pointer
= c
;
6883 demand_empty_rest_of_line ();
6886 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
6887 given subspace, creating the new subspace if necessary.
6889 FIXME. Should mirror pa_space more closely, in particular how
6890 they're broken up into subroutines. */
6893 pa_subspace (create_new
)
6896 char *name
, *ss_name
, c
;
6897 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
6898 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
6899 sd_chain_struct
*space
;
6900 ssd_chain_struct
*ssd
;
6903 if (current_space
== NULL
)
6904 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
6906 if (within_procedure
)
6908 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
6909 ignore_rest_of_line ();
6913 name
= input_line_pointer
;
6914 c
= get_symbol_end ();
6915 ss_name
= xmalloc (strlen (name
) + 1);
6916 strcpy (ss_name
, name
);
6917 *input_line_pointer
= c
;
6919 /* Load default values. */
6931 space
= current_space
;
6935 ssd
= is_defined_subspace (ss_name
);
6936 /* Allow user to override the builtin attributes of subspaces. But
6937 only allow the attributes to be changed once! */
6938 if (ssd
&& SUBSPACE_DEFINED (ssd
))
6940 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
6941 current_subspace
= ssd
;
6942 if (!is_end_of_statement ())
6943 as_warn (_("Parameters of an existing subspace can\'t be modified"));
6944 demand_empty_rest_of_line ();
6949 /* A new subspace. Load default values if it matches one of
6950 the builtin subspaces. */
6952 while (pa_def_subspaces
[i
].name
)
6954 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
6956 loadable
= pa_def_subspaces
[i
].loadable
;
6957 common
= pa_def_subspaces
[i
].common
;
6958 dup_common
= pa_def_subspaces
[i
].dup_common
;
6959 code_only
= pa_def_subspaces
[i
].code_only
;
6960 zero
= pa_def_subspaces
[i
].zero
;
6961 space_index
= pa_def_subspaces
[i
].space_index
;
6962 alignment
= pa_def_subspaces
[i
].alignment
;
6963 quadrant
= pa_def_subspaces
[i
].quadrant
;
6964 access
= pa_def_subspaces
[i
].access
;
6965 sort
= pa_def_subspaces
[i
].sort
;
6972 /* We should be working with a new subspace now. Fill in
6973 any information as specified by the user. */
6974 if (!is_end_of_statement ())
6976 input_line_pointer
++;
6977 while (!is_end_of_statement ())
6979 name
= input_line_pointer
;
6980 c
= get_symbol_end ();
6981 if ((strncasecmp (name
, "quad", 4) == 0))
6983 *input_line_pointer
= c
;
6984 input_line_pointer
++;
6985 quadrant
= get_absolute_expression ();
6987 else if ((strncasecmp (name
, "align", 5) == 0))
6989 *input_line_pointer
= c
;
6990 input_line_pointer
++;
6991 alignment
= get_absolute_expression ();
6992 if (log2 (alignment
) == -1)
6994 as_bad (_("Alignment must be a power of 2"));
6998 else if ((strncasecmp (name
, "access", 6) == 0))
7000 *input_line_pointer
= c
;
7001 input_line_pointer
++;
7002 access
= get_absolute_expression ();
7004 else if ((strncasecmp (name
, "sort", 4) == 0))
7006 *input_line_pointer
= c
;
7007 input_line_pointer
++;
7008 sort
= get_absolute_expression ();
7010 else if ((strncasecmp (name
, "code_only", 9) == 0))
7012 *input_line_pointer
= c
;
7015 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7017 *input_line_pointer
= c
;
7020 else if ((strncasecmp (name
, "common", 6) == 0))
7022 *input_line_pointer
= c
;
7025 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7027 *input_line_pointer
= c
;
7030 else if ((strncasecmp (name
, "zero", 4) == 0))
7032 *input_line_pointer
= c
;
7035 else if ((strncasecmp (name
, "first", 5) == 0))
7036 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7038 as_bad (_("Invalid .SUBSPACE argument"));
7039 if (!is_end_of_statement ())
7040 input_line_pointer
++;
7044 /* Compute a reasonable set of BFD flags based on the information
7045 in the .subspace directive. */
7046 applicable
= bfd_applicable_section_flags (stdoutput
);
7049 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7052 if (common
|| dup_common
)
7053 flags
|= SEC_IS_COMMON
;
7055 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7057 /* This is a zero-filled subspace (eg BSS). */
7059 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7061 applicable
&= flags
;
7063 /* If this is an existing subspace, then we want to use the
7064 segment already associated with the subspace.
7066 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7067 lots of sections. It might be a problem in the PA ELF
7068 code, I do not know yet. For now avoid creating anything
7069 but the "standard" sections for ELF. */
7071 section
= subseg_force_new (ss_name
, 0);
7073 section
= ssd
->ssd_seg
;
7075 section
= subseg_new (ss_name
, 0);
7078 seg_info (section
)->bss
= 1;
7080 /* Now set the flags. */
7081 bfd_set_section_flags (stdoutput
, section
, applicable
);
7083 /* Record any alignment request for this section. */
7084 record_alignment (section
, log2 (alignment
));
7086 /* Set the starting offset for this section. */
7087 bfd_set_section_vma (stdoutput
, section
,
7088 pa_subspace_start (space
, quadrant
));
7090 /* Now that all the flags are set, update an existing subspace,
7091 or create a new one. */
7094 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7095 code_only
, common
, dup_common
,
7096 sort
, zero
, access
, space_index
,
7097 alignment
, quadrant
,
7100 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7102 dup_common
, zero
, sort
,
7103 access
, space_index
,
7104 alignment
, quadrant
, section
);
7106 demand_empty_rest_of_line ();
7107 current_subspace
->ssd_seg
= section
;
7108 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7110 SUBSPACE_DEFINED (current_subspace
) = 1;
7114 /* Create default space and subspace dictionaries. */
7121 space_dict_root
= NULL
;
7122 space_dict_last
= NULL
;
7125 while (pa_def_spaces
[i
].name
)
7129 /* Pick the right name to use for the new section. */
7130 name
= pa_def_spaces
[i
].name
;
7132 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7133 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7134 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7135 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7136 pa_def_spaces
[i
].segment
, 0);
7141 while (pa_def_subspaces
[i
].name
)
7144 int applicable
, subsegment
;
7145 asection
*segment
= NULL
;
7146 sd_chain_struct
*space
;
7148 /* Pick the right name for the new section and pick the right
7149 subsegment number. */
7150 name
= pa_def_subspaces
[i
].name
;
7153 /* Create the new section. */
7154 segment
= subseg_new (name
, subsegment
);
7157 /* For SOM we want to replace the standard .text, .data, and .bss
7158 sections with our own. We also want to set BFD flags for
7159 all the built-in subspaces. */
7160 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7162 text_section
= segment
;
7163 applicable
= bfd_applicable_section_flags (stdoutput
);
7164 bfd_set_section_flags (stdoutput
, segment
,
7165 applicable
& (SEC_ALLOC
| SEC_LOAD
7166 | SEC_RELOC
| SEC_CODE
7168 | SEC_HAS_CONTENTS
));
7170 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7172 data_section
= segment
;
7173 applicable
= bfd_applicable_section_flags (stdoutput
);
7174 bfd_set_section_flags (stdoutput
, segment
,
7175 applicable
& (SEC_ALLOC
| SEC_LOAD
7177 | SEC_HAS_CONTENTS
));
7181 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7183 bss_section
= segment
;
7184 applicable
= bfd_applicable_section_flags (stdoutput
);
7185 bfd_set_section_flags (stdoutput
, segment
,
7186 applicable
& SEC_ALLOC
);
7188 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7190 applicable
= bfd_applicable_section_flags (stdoutput
);
7191 bfd_set_section_flags (stdoutput
, segment
,
7192 applicable
& (SEC_ALLOC
| SEC_LOAD
7195 | SEC_HAS_CONTENTS
));
7197 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7199 applicable
= bfd_applicable_section_flags (stdoutput
);
7200 bfd_set_section_flags (stdoutput
, segment
,
7201 applicable
& (SEC_ALLOC
| SEC_LOAD
7204 | SEC_HAS_CONTENTS
));
7206 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7208 applicable
= bfd_applicable_section_flags (stdoutput
);
7209 bfd_set_section_flags (stdoutput
, segment
,
7210 applicable
& (SEC_ALLOC
| SEC_LOAD
7213 | SEC_HAS_CONTENTS
));
7216 /* Find the space associated with this subspace. */
7217 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7218 def_space_index
].segment
);
7221 as_fatal (_("Internal error: Unable to find containing space for %s."),
7222 pa_def_subspaces
[i
].name
);
7225 create_new_subspace (space
, name
,
7226 pa_def_subspaces
[i
].loadable
,
7227 pa_def_subspaces
[i
].code_only
,
7228 pa_def_subspaces
[i
].common
,
7229 pa_def_subspaces
[i
].dup_common
,
7230 pa_def_subspaces
[i
].zero
,
7231 pa_def_subspaces
[i
].sort
,
7232 pa_def_subspaces
[i
].access
,
7233 pa_def_subspaces
[i
].space_index
,
7234 pa_def_subspaces
[i
].alignment
,
7235 pa_def_subspaces
[i
].quadrant
,
7243 /* Create a new space NAME, with the appropriate flags as defined
7244 by the given parameters. */
7246 static sd_chain_struct
*
7247 create_new_space (name
, spnum
, loadable
, defined
, private,
7248 sort
, seg
, user_defined
)
7258 sd_chain_struct
*chain_entry
;
7260 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7262 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7265 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7266 strcpy (SPACE_NAME (chain_entry
), name
);
7267 SPACE_DEFINED (chain_entry
) = defined
;
7268 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7269 SPACE_SPNUM (chain_entry
) = spnum
;
7271 chain_entry
->sd_seg
= seg
;
7272 chain_entry
->sd_last_subseg
= -1;
7273 chain_entry
->sd_subspaces
= NULL
;
7274 chain_entry
->sd_next
= NULL
;
7276 /* Find spot for the new space based on its sort key. */
7277 if (!space_dict_last
)
7278 space_dict_last
= chain_entry
;
7280 if (space_dict_root
== NULL
)
7281 space_dict_root
= chain_entry
;
7284 sd_chain_struct
*chain_pointer
;
7285 sd_chain_struct
*prev_chain_pointer
;
7287 chain_pointer
= space_dict_root
;
7288 prev_chain_pointer
= NULL
;
7290 while (chain_pointer
)
7292 prev_chain_pointer
= chain_pointer
;
7293 chain_pointer
= chain_pointer
->sd_next
;
7296 /* At this point we've found the correct place to add the new
7297 entry. So add it and update the linked lists as appropriate. */
7298 if (prev_chain_pointer
)
7300 chain_entry
->sd_next
= chain_pointer
;
7301 prev_chain_pointer
->sd_next
= chain_entry
;
7305 space_dict_root
= chain_entry
;
7306 chain_entry
->sd_next
= chain_pointer
;
7309 if (chain_entry
->sd_next
== NULL
)
7310 space_dict_last
= chain_entry
;
7313 /* This is here to catch predefined spaces which do not get
7314 modified by the user's input. Another call is found at
7315 the bottom of pa_parse_space_stmt to handle cases where
7316 the user modifies a predefined space. */
7317 #ifdef obj_set_section_attributes
7318 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7324 /* Create a new subspace NAME, with the appropriate flags as defined
7325 by the given parameters.
7327 Add the new subspace to the subspace dictionary chain in numerical
7328 order as defined by the SORT entries. */
7330 static ssd_chain_struct
*
7331 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7332 dup_common
, is_zero
, sort
, access
, space_index
,
7333 alignment
, quadrant
, seg
)
7334 sd_chain_struct
*space
;
7336 int loadable
, code_only
, common
, dup_common
, is_zero
;
7344 ssd_chain_struct
*chain_entry
;
7346 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7348 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7350 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7351 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7353 /* Initialize subspace_defined. When we hit a .subspace directive
7354 we'll set it to 1 which "locks-in" the subspace attributes. */
7355 SUBSPACE_DEFINED (chain_entry
) = 0;
7357 chain_entry
->ssd_subseg
= 0;
7358 chain_entry
->ssd_seg
= seg
;
7359 chain_entry
->ssd_next
= NULL
;
7361 /* Find spot for the new subspace based on its sort key. */
7362 if (space
->sd_subspaces
== NULL
)
7363 space
->sd_subspaces
= chain_entry
;
7366 ssd_chain_struct
*chain_pointer
;
7367 ssd_chain_struct
*prev_chain_pointer
;
7369 chain_pointer
= space
->sd_subspaces
;
7370 prev_chain_pointer
= NULL
;
7372 while (chain_pointer
)
7374 prev_chain_pointer
= chain_pointer
;
7375 chain_pointer
= chain_pointer
->ssd_next
;
7378 /* Now we have somewhere to put the new entry. Insert it and update
7380 if (prev_chain_pointer
)
7382 chain_entry
->ssd_next
= chain_pointer
;
7383 prev_chain_pointer
->ssd_next
= chain_entry
;
7387 space
->sd_subspaces
= chain_entry
;
7388 chain_entry
->ssd_next
= chain_pointer
;
7392 #ifdef obj_set_subsection_attributes
7393 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7400 /* Update the information for the given subspace based upon the
7401 various arguments. Return the modified subspace chain entry. */
7403 static ssd_chain_struct
*
7404 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7405 zero
, access
, space_index
, alignment
, quadrant
, section
)
7406 sd_chain_struct
*space
;
7420 ssd_chain_struct
*chain_entry
;
7422 chain_entry
= is_defined_subspace (name
);
7424 #ifdef obj_set_subsection_attributes
7425 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7432 /* Return the space chain entry for the space with the name NAME or
7433 NULL if no such space exists. */
7435 static sd_chain_struct
*
7436 is_defined_space (name
)
7439 sd_chain_struct
*chain_pointer
;
7441 for (chain_pointer
= space_dict_root
;
7443 chain_pointer
= chain_pointer
->sd_next
)
7445 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7446 return chain_pointer
;
7449 /* No mapping from segment to space was found. Return NULL. */
7453 /* Find and return the space associated with the given seg. If no mapping
7454 from the given seg to a space is found, then return NULL.
7456 Unlike subspaces, the number of spaces is not expected to grow much,
7457 so a linear exhaustive search is OK here. */
7459 static sd_chain_struct
*
7460 pa_segment_to_space (seg
)
7463 sd_chain_struct
*space_chain
;
7465 /* Walk through each space looking for the correct mapping. */
7466 for (space_chain
= space_dict_root
;
7468 space_chain
= space_chain
->sd_next
)
7470 if (space_chain
->sd_seg
== seg
)
7474 /* Mapping was not found. Return NULL. */
7478 /* Return the space chain entry for the subspace with the name NAME or
7479 NULL if no such subspace exists.
7481 Uses a linear search through all the spaces and subspaces, this may
7482 not be appropriate if we ever being placing each function in its
7485 static ssd_chain_struct
*
7486 is_defined_subspace (name
)
7489 sd_chain_struct
*space_chain
;
7490 ssd_chain_struct
*subspace_chain
;
7492 /* Walk through each space. */
7493 for (space_chain
= space_dict_root
;
7495 space_chain
= space_chain
->sd_next
)
7497 /* Walk through each subspace looking for a name which matches. */
7498 for (subspace_chain
= space_chain
->sd_subspaces
;
7500 subspace_chain
= subspace_chain
->ssd_next
)
7501 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
7502 return subspace_chain
;
7505 /* Subspace wasn't found. Return NULL. */
7509 /* Find and return the subspace associated with the given seg. If no
7510 mapping from the given seg to a subspace is found, then return NULL.
7512 If we ever put each procedure/function within its own subspace
7513 (to make life easier on the compiler and linker), then this will have
7514 to become more efficient. */
7516 static ssd_chain_struct
*
7517 pa_subsegment_to_subspace (seg
, subseg
)
7521 sd_chain_struct
*space_chain
;
7522 ssd_chain_struct
*subspace_chain
;
7524 /* Walk through each space. */
7525 for (space_chain
= space_dict_root
;
7527 space_chain
= space_chain
->sd_next
)
7529 if (space_chain
->sd_seg
== seg
)
7531 /* Walk through each subspace within each space looking for
7532 the correct mapping. */
7533 for (subspace_chain
= space_chain
->sd_subspaces
;
7535 subspace_chain
= subspace_chain
->ssd_next
)
7536 if (subspace_chain
->ssd_subseg
== (int) subseg
)
7537 return subspace_chain
;
7541 /* No mapping from subsegment to subspace found. Return NULL. */
7545 /* Given a number, try and find a space with the name number.
7547 Return a pointer to a space dictionary chain entry for the space
7548 that was found or NULL on failure. */
7550 static sd_chain_struct
*
7551 pa_find_space_by_number (number
)
7554 sd_chain_struct
*space_chain
;
7556 for (space_chain
= space_dict_root
;
7558 space_chain
= space_chain
->sd_next
)
7560 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
7564 /* No appropriate space found. Return NULL. */
7568 /* Return the starting address for the given subspace. If the starting
7569 address is unknown then return zero. */
7572 pa_subspace_start (space
, quadrant
)
7573 sd_chain_struct
*space
;
7576 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
7577 is not correct for the PA OSF1 port. */
7578 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
7580 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
7587 /* FIXME. Needs documentation. */
7589 pa_next_subseg (space
)
7590 sd_chain_struct
*space
;
7593 space
->sd_last_subseg
++;
7594 return space
->sd_last_subseg
;
7598 /* Helper function for pa_stringer. Used to find the end of
7605 unsigned int c
= *s
& CHAR_MASK
;
7608 /* We must have a valid space and subspace. */
7609 pa_check_current_space_and_subspace ();
7623 /* Handle a .STRING type pseudo-op. */
7626 pa_stringer (append_zero
)
7629 char *s
, num_buf
[4];
7633 /* Preprocess the string to handle PA-specific escape sequences.
7634 For example, \xDD where DD is a hexidecimal number should be
7635 changed to \OOO where OOO is an octal number. */
7637 /* Skip the opening quote. */
7638 s
= input_line_pointer
+ 1;
7640 while (is_a_char (c
= pa_stringer_aux (s
++)))
7647 /* Handle \x<num>. */
7650 unsigned int number
;
7655 /* Get pas the 'x'. */
7657 for (num_digit
= 0, number
= 0, dg
= *s
;
7659 && (isdigit (dg
) || (dg
>= 'a' && dg
<= 'f')
7660 || (dg
>= 'A' && dg
<= 'F'));
7664 number
= number
* 16 + dg
- '0';
7665 else if (dg
>= 'a' && dg
<= 'f')
7666 number
= number
* 16 + dg
- 'a' + 10;
7668 number
= number
* 16 + dg
- 'A' + 10;
7678 sprintf (num_buf
, "%02o", number
);
7681 sprintf (num_buf
, "%03o", number
);
7684 for (i
= 0; i
<= num_digit
; i
++)
7685 s_start
[i
] = num_buf
[i
];
7689 /* This might be a "\"", skip over the escaped char. */
7696 stringer (append_zero
);
7697 pa_undefine_label ();
7700 /* Handle a .VERSION pseudo-op. */
7707 pa_undefine_label ();
7712 /* Handle a .COMPILER pseudo-op. */
7715 pa_compiler (unused
)
7718 obj_som_compiler (0);
7719 pa_undefine_label ();
7724 /* Handle a .COPYRIGHT pseudo-op. */
7727 pa_copyright (unused
)
7731 pa_undefine_label ();
7734 /* Just like a normal cons, but when finished we have to undefine
7735 the latest space label. */
7742 pa_undefine_label ();
7745 /* Switch to the data space. As usual delete our label. */
7752 current_space
= is_defined_space ("$PRIVATE$");
7754 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
7757 pa_undefine_label ();
7760 /* Like float_cons, but we need to undefine our label. */
7763 pa_float_cons (float_type
)
7766 float_cons (float_type
);
7767 pa_undefine_label ();
7770 /* Like s_fill, but delete our label when finished. */
7777 /* We must have a valid space and subspace. */
7778 pa_check_current_space_and_subspace ();
7782 pa_undefine_label ();
7785 /* Like lcomm, but delete our label when finished. */
7788 pa_lcomm (needs_align
)
7792 /* We must have a valid space and subspace. */
7793 pa_check_current_space_and_subspace ();
7796 s_lcomm (needs_align
);
7797 pa_undefine_label ();
7800 /* Like lsym, but delete our label when finished. */
7807 /* We must have a valid space and subspace. */
7808 pa_check_current_space_and_subspace ();
7812 pa_undefine_label ();
7815 /* Switch to the text space. Like s_text, but delete our
7816 label when finished. */
7822 current_space
= is_defined_space ("$TEXT$");
7824 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
7828 pa_undefine_label ();
7831 /* On the PA relocations which involve function symbols must not be
7832 adjusted. This so that the linker can know when/how to create argument
7833 relocation stubs for indirect calls and calls to static functions.
7835 "T" field selectors create DLT relative fixups for accessing
7836 globals and statics in PIC code; each DLT relative fixup creates
7837 an entry in the DLT table. The entries contain the address of
7838 the final target (eg accessing "foo" would create a DLT entry
7839 with the address of "foo").
7841 Unfortunately, the HP linker doesn't take into account any addend
7842 when generating the DLT; so accessing $LIT$+8 puts the address of
7843 $LIT$ into the DLT rather than the address of $LIT$+8.
7845 The end result is we can't perform relocation symbol reductions for
7846 any fixup which creates entries in the DLT (eg they use "T" field
7849 Reject reductions involving symbols with external scope; such
7850 reductions make life a living hell for object file editors.
7852 FIXME. Also reject R_HPPA relocations which are 32bits wide in
7853 the code space. The SOM BFD backend doesn't know how to pull the
7854 right bits out of an instruction. */
7857 hppa_fix_adjustable (fixp
)
7860 struct hppa_fix_struct
*hppa_fix
;
7862 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
7865 /* Reject reductions of symbols in 32bit relocs. */
7866 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
7869 /* Reject reductions of symbols in sym1-sym2 expressions when
7870 the fixup will occur in a CODE subspace.
7872 XXX FIXME: Long term we probably want to reject all of these;
7873 for example reducing in the debug section would lose if we ever
7874 supported using the optimizing hp linker. */
7877 && (hppa_fix
->segment
->flags
& SEC_CODE
))
7879 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
7880 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
7884 /* We can't adjust any relocs that use LR% and RR% field selectors.
7885 That confuses the HP linker. */
7886 if (hppa_fix
->fx_r_field
== e_lrsel
7887 || hppa_fix
->fx_r_field
== e_rrsel
7888 || hppa_fix
->fx_r_field
== e_nlrsel
)
7892 /* Reject reductions of symbols in DLT relative relocs,
7893 relocations with plabels. */
7894 if (hppa_fix
->fx_r_field
== e_tsel
7895 || hppa_fix
->fx_r_field
== e_ltsel
7896 || hppa_fix
->fx_r_field
== e_rtsel
7897 || hppa_fix
->fx_r_field
== e_psel
7898 || hppa_fix
->fx_r_field
== e_rpsel
7899 || hppa_fix
->fx_r_field
== e_lpsel
)
7902 if (fixp
->fx_addsy
&& S_IS_EXTERNAL (fixp
->fx_addsy
))
7905 /* Reject absolute calls (jumps). */
7906 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
7909 /* Reject reductions of function symbols. */
7910 if (fixp
->fx_addsy
== 0 || ! S_IS_FUNCTION (fixp
->fx_addsy
))
7916 /* Return nonzero if the fixup in FIXP will require a relocation,
7917 even it if appears that the fixup could be completely handled
7921 hppa_force_relocation (fixp
)
7924 struct hppa_fix_struct
*hppa_fixp
;
7927 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
7929 if (fixp
->fx_r_type
== R_HPPA_ENTRY
|| fixp
->fx_r_type
== R_HPPA_EXIT
7930 || fixp
->fx_r_type
== R_HPPA_BEGIN_BRTAB
7931 || fixp
->fx_r_type
== R_HPPA_END_BRTAB
7932 || fixp
->fx_r_type
== R_HPPA_BEGIN_TRY
7933 || fixp
->fx_r_type
== R_HPPA_END_TRY
7934 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
7935 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
7939 #define arg_reloc_stub_needed(CALLER, CALLEE) \
7940 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
7943 /* It is necessary to force PC-relative calls/jumps to have a relocation
7944 entry if they're going to need either a argument relocation or long
7945 call stub. FIXME. Can't we need the same for absolute calls? */
7946 if (fixp
->fx_pcrel
&& fixp
->fx_addsy
7947 && (arg_reloc_stub_needed ((long) ((obj_symbol_type
*)
7948 symbol_get_bfdsym (fixp
->fx_addsy
))->tc_data
.ap
.hppa_arg_reloc
,
7949 hppa_fixp
->fx_arg_reloc
)))
7952 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
7953 - md_pcrel_from (fixp
));
7954 /* Now check and see if we're going to need a long-branch stub. */
7955 if (fixp
->fx_r_type
== R_HPPA_PCREL_CALL
7956 && (distance
> 262143 || distance
< -262144))
7959 if (fixp
->fx_r_type
== R_HPPA_ABS_CALL
)
7961 #undef arg_reloc_stub_needed
7963 /* No need (yet) to force another relocations to be emitted. */
7967 /* Now for some ELF specific code. FIXME. */
7969 /* Mark the end of a function so that it's possible to compute
7970 the size of the function in hppa_elf_final_processing. */
7973 hppa_elf_mark_end_of_function ()
7975 /* ELF does not have EXIT relocations. All we do is create a
7976 temporary symbol marking the end of the function. */
7977 char *name
= (char *)
7978 xmalloc (strlen ("L$\001end_") +
7979 strlen (S_GET_NAME (last_call_info
->start_symbol
)) + 1);
7985 strcpy (name
, "L$\001end_");
7986 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
7988 /* If we have a .exit followed by a .procend, then the
7989 symbol will have already been defined. */
7990 symbolP
= symbol_find (name
);
7993 /* The symbol has already been defined! This can
7994 happen if we have a .exit followed by a .procend.
7996 This is *not* an error. All we want to do is free
7997 the memory we just allocated for the name and continue. */
8002 /* symbol value should be the offset of the
8003 last instruction of the function */
8004 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8008 S_CLEAR_EXTERNAL (symbolP
);
8009 symbol_table_insert (symbolP
);
8013 last_call_info
->end_symbol
= symbolP
;
8015 as_bad (_("Symbol '%s' could not be created."), name
);
8019 as_bad (_("No memory for symbol name."));
8023 /* For ELF, this function serves one purpose: to setup the st_size
8024 field of STT_FUNC symbols. To do this, we need to scan the
8025 call_info structure list, determining st_size in by taking the
8026 difference in the address of the beginning/end marker symbols. */
8029 elf_hppa_final_processing ()
8031 struct call_info
*call_info_pointer
;
8033 for (call_info_pointer
= call_info_root
;
8035 call_info_pointer
= call_info_pointer
->ci_next
)
8037 elf_symbol_type
*esym
8038 = ((elf_symbol_type
*)
8039 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8040 esym
->internal_elf_sym
.st_size
=
8041 S_GET_VALUE (call_info_pointer
->end_symbol
)
8042 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8050 if (debug_type
== DEBUG_DWARF2
)