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 /* A "convient" place to put object file dependencies which do
43 not need to be seen outside of tc-hppa.c. */
45 /* Object file formats specify relocation types. */
46 typedef elf_hppa_reloc_type reloc_type
;
48 /* Object file formats specify BFD symbol types. */
49 typedef elf_symbol_type obj_symbol_type
;
52 /* How to generate a relocation. */
53 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
55 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
58 /* ELF objects can have versions, but apparently do not have anywhere
59 to store a copyright string. */
60 #define obj_version obj_elf_version
61 #define obj_copyright obj_elf_version
65 /* Names of various debugging spaces/subspaces. */
66 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
67 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
68 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
69 #define UNWIND_SECTION_NAME "$UNWIND$"
71 /* Object file formats specify relocation types. */
72 typedef int reloc_type
;
74 /* SOM objects can have both a version string and a copyright string. */
75 #define obj_version obj_som_version
76 #define obj_copyright obj_som_copyright
78 /* How to generate a relocation. */
79 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
81 /* Object file formats specify BFD symbol types. */
82 typedef som_symbol_type obj_symbol_type
;
84 /* This apparently isn't in older versions of hpux reloc.h. */
86 #define R_DLT_REL 0x78
98 /* Various structures and types used internally in tc-hppa.c. */
100 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
104 unsigned int cannot_unwind
:1;
105 unsigned int millicode
:1;
106 unsigned int millicode_save_rest
:1;
107 unsigned int region_desc
:2;
108 unsigned int save_sr
:2;
109 unsigned int entry_fr
:4;
110 unsigned int entry_gr
:5;
111 unsigned int args_stored
:1;
112 unsigned int call_fr
:5;
113 unsigned int call_gr
:5;
114 unsigned int save_sp
:1;
115 unsigned int save_rp
:1;
116 unsigned int save_rp_in_frame
:1;
117 unsigned int extn_ptr_defined
:1;
118 unsigned int cleanup_defined
:1;
120 unsigned int hpe_interrupt_marker
:1;
121 unsigned int hpux_interrupt_marker
:1;
122 unsigned int reserved
:3;
123 unsigned int frame_size
:27;
128 /* Starting and ending offsets of the region described by
130 unsigned int start_offset
;
131 unsigned int end_offset
;
132 struct unwind_desc descriptor
;
135 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
136 control the entry and exit code they generate. It is also used in
137 creation of the correct stack unwind descriptors.
139 NOTE: GAS does not support .enter and .leave for the generation of
140 prologues and epilogues. FIXME.
142 The fields in structure roughly correspond to the arguments available on the
143 .callinfo pseudo-op. */
147 /* The unwind descriptor being built. */
148 struct unwind_table ci_unwind
;
150 /* Name of this function. */
151 symbolS
*start_symbol
;
153 /* (temporary) symbol used to mark the end of this function. */
156 /* Next entry in the chain. */
157 struct call_info
*ci_next
;
160 /* Operand formats for FP instructions. Note not all FP instructions
161 allow all four formats to be used (for example fmpysub only allows
165 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
169 /* This fully describes the symbol types which may be attached to
170 an EXPORT or IMPORT directive. Only SOM uses this formation
171 (ELF has no need for it). */
175 SYMBOL_TYPE_ABSOLUTE
,
179 SYMBOL_TYPE_MILLICODE
,
181 SYMBOL_TYPE_PRI_PROG
,
182 SYMBOL_TYPE_SEC_PROG
,
186 /* This structure contains information needed to assemble
187 individual instructions. */
190 /* Holds the opcode after parsing by pa_ip. */
191 unsigned long opcode
;
193 /* Holds an expression associated with the current instruction. */
196 /* Does this instruction use PC-relative addressing. */
199 /* Floating point formats for operand1 and operand2. */
200 fp_operand_format fpof1
;
201 fp_operand_format fpof2
;
204 /* Holds the field selector for this instruction
205 (for example L%, LR%, etc). */
208 /* Holds any argument relocation bits associated with this
209 instruction. (instruction should be some sort of call). */
212 /* The format specification for this instruction. */
215 /* The relocation (if any) associated with this instruction. */
219 /* PA-89 floating point registers are arranged like this:
222 +--------------+--------------+
223 | 0 or 16L | 16 or 16R |
224 +--------------+--------------+
225 | 1 or 17L | 17 or 17R |
226 +--------------+--------------+
234 +--------------+--------------+
235 | 14 or 30L | 30 or 30R |
236 +--------------+--------------+
237 | 15 or 31L | 31 or 31R |
238 +--------------+--------------+
241 The following is a version of pa_parse_number that
242 handles the L/R notation and returns the correct
243 value to put into the instruction register field.
244 The correct value to put into the instruction is
245 encoded in the structure 'pa_11_fp_reg_struct'. */
247 struct pa_11_fp_reg_struct
249 /* The register number. */
256 /* Additional information needed to build argument relocation stubs. */
259 /* The argument relocation specification. */
260 unsigned int arg_reloc
;
262 /* Number of arguments. */
263 unsigned int arg_count
;
267 /* This structure defines an entry in the subspace dictionary
270 struct subspace_dictionary_chain
272 /* Nonzero if this space has been defined by the user code. */
273 unsigned int ssd_defined
;
275 /* Name of this subspace. */
278 /* GAS segment and subsegment associated with this subspace. */
282 /* Next space in the subspace dictionary chain. */
283 struct subspace_dictionary_chain
*ssd_next
;
286 typedef struct subspace_dictionary_chain ssd_chain_struct
;
288 /* This structure defines an entry in the subspace dictionary
291 struct space_dictionary_chain
293 /* Nonzero if this space has been defined by the user code or
294 as a default space. */
295 unsigned int sd_defined
;
297 /* Nonzero if this spaces has been defined by the user code. */
298 unsigned int sd_user_defined
;
300 /* The space number (or index). */
301 unsigned int sd_spnum
;
303 /* The name of this subspace. */
306 /* GAS segment to which this subspace corresponds. */
309 /* Current subsegment number being used. */
312 /* The chain of subspaces contained within this space. */
313 ssd_chain_struct
*sd_subspaces
;
315 /* The next entry in the space dictionary chain. */
316 struct space_dictionary_chain
*sd_next
;
319 typedef struct space_dictionary_chain sd_chain_struct
;
321 /* This structure defines attributes of the default subspace
322 dictionary entries. */
324 struct default_subspace_dict
326 /* Name of the subspace. */
329 /* FIXME. Is this still needed? */
332 /* Nonzero if this subspace is loadable. */
335 /* Nonzero if this subspace contains only code. */
338 /* Nonzero if this is a common subspace. */
341 /* Nonzero if this is a common subspace which allows symbols
342 to be multiply defined. */
345 /* Nonzero if this subspace should be zero filled. */
348 /* Sort key for this subspace. */
351 /* Access control bits for this subspace. Can represent RWX access
352 as well as privilege level changes for gateways. */
355 /* Index of containing space. */
358 /* Alignment (in bytes) of this subspace. */
361 /* Quadrant within space where this subspace should be loaded. */
364 /* An index into the default spaces array. */
367 /* Subsegment associated with this subspace. */
371 /* This structure defines attributes of the default space
372 dictionary entries. */
374 struct default_space_dict
376 /* Name of the space. */
379 /* Space number. It is possible to identify spaces within
380 assembly code numerically! */
383 /* Nonzero if this space is loadable. */
386 /* Nonzero if this space is "defined". FIXME is still needed */
389 /* Nonzero if this space can not be shared. */
392 /* Sort key for this space. */
395 /* Segment associated with this space. */
400 /* Structure for previous label tracking. Needed so that alignments,
401 callinfo declarations, etc can be easily attached to a particular
403 typedef struct label_symbol_struct
405 struct symbol
*lss_label
;
407 sd_chain_struct
*lss_space
;
412 struct label_symbol_struct
*lss_next
;
416 /* Extra information needed to perform fixups (relocations) on the PA. */
417 struct hppa_fix_struct
419 /* The field selector. */
420 enum hppa_reloc_field_selector_type_alt fx_r_field
;
425 /* Format of fixup. */
428 /* Argument relocation bits. */
431 /* The segment this fixup appears in. */
435 /* Structure to hold information about predefined registers. */
443 /* This structure defines the mapping from a FP condition string
444 to a condition number which can be recorded in an instruction. */
451 /* This structure defines a mapping from a field selector
452 string to a field selector type. */
453 struct selector_entry
459 /* Prototypes for functions local to tc-hppa.c. */
462 static void pa_check_current_space_and_subspace
PARAMS ((void));
465 static fp_operand_format pa_parse_fp_format
PARAMS ((char **s
));
466 static void pa_cons
PARAMS ((int));
467 static void pa_data
PARAMS ((int));
468 static void pa_float_cons
PARAMS ((int));
469 static void pa_fill
PARAMS ((int));
470 static void pa_lcomm
PARAMS ((int));
471 static void pa_lsym
PARAMS ((int));
472 static void pa_stringer
PARAMS ((int));
473 static void pa_text
PARAMS ((int));
474 static void pa_version
PARAMS ((int));
475 static int pa_parse_fp_cmp_cond
PARAMS ((char **));
476 static int get_expression
PARAMS ((char *));
477 static int pa_get_absolute_expression
PARAMS ((struct pa_it
*, char **));
478 static int evaluate_absolute
PARAMS ((struct pa_it
*));
479 static unsigned int pa_build_arg_reloc
PARAMS ((char *));
480 static unsigned int pa_align_arg_reloc
PARAMS ((unsigned int, unsigned int));
481 static int pa_parse_nullif
PARAMS ((char **));
482 static int pa_parse_nonneg_cmpsub_cmpltr
PARAMS ((char **, int));
483 static int pa_parse_neg_cmpsub_cmpltr
PARAMS ((char **, int));
484 static int pa_parse_neg_add_cmpltr
PARAMS ((char **, int));
485 static int pa_parse_nonneg_add_cmpltr
PARAMS ((char **, int));
486 static void pa_block
PARAMS ((int));
487 static void pa_brtab
PARAMS ((int));
488 static void pa_try
PARAMS ((int));
489 static void pa_call
PARAMS ((int));
490 static void pa_call_args
PARAMS ((struct call_desc
*));
491 static void pa_callinfo
PARAMS ((int));
492 static void pa_code
PARAMS ((int));
493 static void pa_comm
PARAMS ((int));
494 static void pa_copyright
PARAMS ((int));
495 static void pa_end
PARAMS ((int));
496 static void pa_enter
PARAMS ((int));
497 static void pa_entry
PARAMS ((int));
498 static void pa_equ
PARAMS ((int));
499 static void pa_exit
PARAMS ((int));
500 static void pa_export
PARAMS ((int));
501 static void pa_type_args
PARAMS ((symbolS
*, int));
502 static void pa_import
PARAMS ((int));
503 static void pa_label
PARAMS ((int));
504 static void pa_leave
PARAMS ((int));
505 static void pa_level
PARAMS ((int));
506 static void pa_origin
PARAMS ((int));
507 static void pa_proc
PARAMS ((int));
508 static void pa_procend
PARAMS ((int));
509 static void pa_param
PARAMS ((int));
510 static void pa_undefine_label
PARAMS ((void));
511 static int need_pa11_opcode
PARAMS ((struct pa_it
*,
512 struct pa_11_fp_reg_struct
*));
513 static int pa_parse_number
PARAMS ((char **, struct pa_11_fp_reg_struct
*));
514 static label_symbol_struct
*pa_get_label
PARAMS ((void));
516 static void pa_compiler
PARAMS ((int));
517 static void pa_align
PARAMS ((int));
518 static void pa_space
PARAMS ((int));
519 static void pa_spnum
PARAMS ((int));
520 static void pa_subspace
PARAMS ((int));
521 static sd_chain_struct
*create_new_space
PARAMS ((char *, int, int,
524 static ssd_chain_struct
*create_new_subspace
PARAMS ((sd_chain_struct
*,
529 static ssd_chain_struct
*update_subspace
PARAMS ((sd_chain_struct
*,
530 char *, int, int, int,
534 static sd_chain_struct
*is_defined_space
PARAMS ((char *));
535 static ssd_chain_struct
*is_defined_subspace
PARAMS ((char *));
536 static sd_chain_struct
*pa_segment_to_space
PARAMS ((asection
*));
537 static ssd_chain_struct
*pa_subsegment_to_subspace
PARAMS ((asection
*,
539 static sd_chain_struct
*pa_find_space_by_number
PARAMS ((int));
540 static unsigned int pa_subspace_start
PARAMS ((sd_chain_struct
*, int));
541 static sd_chain_struct
*pa_parse_space_stmt
PARAMS ((char *, int));
542 static int pa_next_subseg
PARAMS ((sd_chain_struct
*));
543 static void pa_spaces_begin
PARAMS ((void));
545 static void pa_ip
PARAMS ((char *));
546 static void fix_new_hppa
PARAMS ((fragS
*, int, int, symbolS
*,
547 long, expressionS
*, int,
548 bfd_reloc_code_real_type
,
549 enum hppa_reloc_field_selector_type_alt
,
551 static int is_end_of_statement
PARAMS ((void));
552 static int reg_name_search
PARAMS ((char *));
553 static int pa_chk_field_selector
PARAMS ((char **));
554 static int is_same_frag
PARAMS ((fragS
*, fragS
*));
555 static void process_exit
PARAMS ((void));
556 static int log2
PARAMS ((int));
557 static unsigned int pa_stringer_aux
PARAMS ((char *));
560 static void hppa_elf_mark_end_of_function
PARAMS ((void));
561 static void pa_build_unwind_subspace
PARAMS ((struct call_info
*));
564 /* File and gloally scoped variable declarations. */
567 /* Root and final entry in the space chain. */
568 static sd_chain_struct
*space_dict_root
;
569 static sd_chain_struct
*space_dict_last
;
571 /* The current space and subspace. */
572 static sd_chain_struct
*current_space
;
573 static ssd_chain_struct
*current_subspace
;
576 /* Root of the call_info chain. */
577 static struct call_info
*call_info_root
;
579 /* The last call_info (for functions) structure
580 seen so it can be associated with fixups and
582 static struct call_info
*last_call_info
;
584 /* The last call description (for actual calls). */
585 static struct call_desc last_call_desc
;
587 /* handle of the OPCODE hash table */
588 static struct hash_control
*op_hash
= NULL
;
590 /* This array holds the chars that always start a comment. If the
591 pre-processor is disabled, these aren't very useful. */
592 const char comment_chars
[] = ";";
594 /* Table of pseudo ops for the PA. FIXME -- how many of these
595 are now redundant with the overall GAS and the object file
597 const pseudo_typeS md_pseudo_table
[] =
599 /* align pseudo-ops on the PA specify the actual alignment requested,
600 not the log2 of the requested alignment. */
602 {"align", pa_align
, 8},
605 {"align", s_align_bytes
, 8},
607 {"begin_brtab", pa_brtab
, 1},
608 {"begin_try", pa_try
, 1},
609 {"block", pa_block
, 1},
610 {"blockz", pa_block
, 0},
611 {"byte", pa_cons
, 1},
612 {"call", pa_call
, 0},
613 {"callinfo", pa_callinfo
, 0},
614 {"code", pa_code
, 0},
615 {"comm", pa_comm
, 0},
617 {"compiler", pa_compiler
, 0},
619 {"copyright", pa_copyright
, 0},
620 {"data", pa_data
, 0},
621 {"double", pa_float_cons
, 'd'},
623 {"end_brtab", pa_brtab
, 0},
624 {"end_try", pa_try
, 0},
625 {"enter", pa_enter
, 0},
626 {"entry", pa_entry
, 0},
628 {"exit", pa_exit
, 0},
629 {"export", pa_export
, 0},
630 {"fill", pa_fill
, 0},
631 {"float", pa_float_cons
, 'f'},
632 {"half", pa_cons
, 2},
633 {"import", pa_import
, 0},
635 {"label", pa_label
, 0},
636 {"lcomm", pa_lcomm
, 0},
637 {"leave", pa_leave
, 0},
638 {"level", pa_level
, 0},
639 {"long", pa_cons
, 4},
640 {"lsym", pa_lsym
, 0},
642 {"nsubspa", pa_subspace
, 1},
644 {"octa", pa_cons
, 16},
645 {"org", pa_origin
, 0},
646 {"origin", pa_origin
, 0},
647 {"param", pa_param
, 0},
648 {"proc", pa_proc
, 0},
649 {"procend", pa_procend
, 0},
650 {"quad", pa_cons
, 8},
652 {"short", pa_cons
, 2},
653 {"single", pa_float_cons
, 'f'},
655 {"space", pa_space
, 0},
656 {"spnum", pa_spnum
, 0},
658 {"string", pa_stringer
, 0},
659 {"stringz", pa_stringer
, 1},
661 {"subspa", pa_subspace
, 0},
663 {"text", pa_text
, 0},
664 {"version", pa_version
, 0},
665 {"word", pa_cons
, 4},
669 /* This array holds the chars that only start a comment at the beginning of
670 a line. If the line seems to have the form '# 123 filename'
671 .line and .file directives will appear in the pre-processed output.
673 Note that input_file.c hand checks for '#' at the beginning of the
674 first line of the input file. This is because the compiler outputs
675 #NO_APP at the beginning of its output.
677 Also note that C style comments will always work. */
678 const char line_comment_chars
[] = "#";
680 /* This array holds the characters which act as line separators. */
681 const char line_separator_chars
[] = "!";
683 /* Chars that can be used to separate mant from exp in floating point nums. */
684 const char EXP_CHARS
[] = "eE";
686 /* Chars that mean this number is a floating point constant.
687 As in 0f12.456 or 0d1.2345e12.
689 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
690 changed in read.c. Ideally it shouldn't hae to know abou it at
691 all, but nothing is ideal around here. */
692 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
694 static struct pa_it the_insn
;
696 /* Points to the end of an expression just parsed by get_expressoin
697 and friends. FIXME. This shouldn't be handled with a file-global
699 static char *expr_end
;
701 /* Nonzero if a .callinfo appeared within the current procedure. */
702 static int callinfo_found
;
704 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
705 static int within_entry_exit
;
707 /* Nonzero if the assembler is currently within a procedure definition. */
708 static int within_procedure
;
710 /* Handle on strucutre which keep track of the last symbol
711 seen in each subspace. */
712 static label_symbol_struct
*label_symbols_rootp
= NULL
;
714 /* Holds the last field selector. */
715 static int hppa_field_selector
;
718 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
719 static symbolS
*dummy_symbol
;
722 /* Nonzero if errors are to be printed. */
723 static int print_errors
= 1;
725 /* List of registers that are pre-defined:
727 Each general register has one predefined name of the form
728 %r<REGNUM> which has the value <REGNUM>.
730 Space and control registers are handled in a similar manner,
731 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
733 Likewise for the floating point registers, but of the form
734 %fr<REGNUM>. Floating point registers have additional predefined
735 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
736 again have the value <REGNUM>.
738 Many registers also have synonyms:
740 %r26 - %r23 have %arg0 - %arg3 as synonyms
741 %r28 - %r29 have %ret0 - %ret1 as synonyms
742 %r30 has %sp as a synonym
743 %r27 has %dp as a synonym
744 %r2 has %rp as a synonym
746 Almost every control register has a synonym; they are not listed
749 The table is sorted. Suitable for searching by a binary search. */
751 static const struct pd_reg pre_defined_registers
[] =
951 /* This table is sorted by order of the length of the string. This is
952 so we check for <> before we check for <. If we had a <> and checked
953 for < first, we would get a false match. */
954 static const struct fp_cond_map fp_cond_map
[] =
990 static const struct selector_entry selector_table
[] =
1013 /* default space and subspace dictionaries */
1015 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1016 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1018 /* pre-defined subsegments (subspaces) for the HPPA. */
1019 #define SUBSEG_CODE 0
1020 #define SUBSEG_LIT 1
1021 #define SUBSEG_MILLI 2
1022 #define SUBSEG_DATA 0
1023 #define SUBSEG_BSS 2
1024 #define SUBSEG_UNWIND 3
1025 #define SUBSEG_GDB_STRINGS 0
1026 #define SUBSEG_GDB_SYMBOLS 1
1028 static struct default_subspace_dict pa_def_subspaces
[] =
1030 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1031 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1032 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1033 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1034 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1035 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1038 static struct default_space_dict pa_def_spaces
[] =
1040 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1041 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1042 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1045 /* Misc local definitions used by the assembler. */
1047 /* These macros are used to maintain spaces/subspaces. */
1048 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1049 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1050 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1051 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1053 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1054 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1057 /* Return nonzero if the string pointed to by S potentially represents
1058 a right or left half of a FP register */
1059 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1060 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1062 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1063 main loop after insertion. */
1065 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1067 ((OPCODE) |= (FIELD) << (START)); \
1071 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1072 IGNORE is used to suppress the error message. */
1074 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1076 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1079 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1085 #define is_DP_relative(exp) \
1086 ((exp).X_op == O_subtract \
1087 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1089 #define is_PC_relative(exp) \
1090 ((exp).X_op == O_subtract \
1091 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1093 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1094 always be able to reduce the expression to a constant, so we don't
1095 need real complex handling yet. */
1096 #define is_complex(exp) \
1097 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1099 /* Actual functions to implement the PA specific code for the assembler. */
1101 /* Called before writing the object file. Make sure entry/exit and
1102 proc/procend pairs match. */
1107 if (within_entry_exit
)
1108 as_fatal (_("Missing .exit\n"));
1110 if (within_procedure
)
1111 as_fatal (_("Missing .procend\n"));
1114 /* Returns a pointer to the label_symbol_struct for the current space.
1115 or NULL if no label_symbol_struct exists for the current space. */
1117 static label_symbol_struct
*
1120 label_symbol_struct
*label_chain
;
1122 for (label_chain
= label_symbols_rootp
;
1124 label_chain
= label_chain
->lss_next
)
1127 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1131 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1139 /* Defines a label for the current space. If one is already defined,
1140 this function will replace it with the new label. */
1143 pa_define_label (symbol
)
1146 label_symbol_struct
*label_chain
= pa_get_label ();
1149 label_chain
->lss_label
= symbol
;
1152 /* Create a new label entry and add it to the head of the chain. */
1154 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1155 label_chain
->lss_label
= symbol
;
1157 label_chain
->lss_space
= current_space
;
1160 label_chain
->lss_segment
= now_seg
;
1162 label_chain
->lss_next
= NULL
;
1164 if (label_symbols_rootp
)
1165 label_chain
->lss_next
= label_symbols_rootp
;
1167 label_symbols_rootp
= label_chain
;
1171 /* Removes a label definition for the current space.
1172 If there is no label_symbol_struct entry, then no action is taken. */
1175 pa_undefine_label ()
1177 label_symbol_struct
*label_chain
;
1178 label_symbol_struct
*prev_label_chain
= NULL
;
1180 for (label_chain
= label_symbols_rootp
;
1182 label_chain
= label_chain
->lss_next
)
1186 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1189 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1193 /* Remove the label from the chain and free its memory. */
1194 if (prev_label_chain
)
1195 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1197 label_symbols_rootp
= label_chain
->lss_next
;
1202 prev_label_chain
= label_chain
;
1207 /* An HPPA-specific version of fix_new. This is required because the HPPA
1208 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1209 results in the creation of an instance of an hppa_fix_struct. An
1210 hppa_fix_struct stores the extra information along with a pointer to the
1211 original fixS. This is attached to the original fixup via the
1212 tc_fix_data field. */
1215 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1216 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1220 symbolS
*add_symbol
;
1224 bfd_reloc_code_real_type r_type
;
1225 enum hppa_reloc_field_selector_type_alt r_field
;
1232 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1233 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1236 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1238 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1239 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1240 hppa_fix
->fx_r_type
= r_type
;
1241 hppa_fix
->fx_r_field
= r_field
;
1242 hppa_fix
->fx_r_format
= r_format
;
1243 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1244 hppa_fix
->segment
= now_seg
;
1246 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1247 new_fix
->fx_offset
= *unwind_bits
;
1250 /* foo-$global$ is used to access non-automatic storage. $global$
1251 is really just a marker and has served its purpose, so eliminate
1252 it now so as not to confuse write.c. */
1253 if (new_fix
->fx_subsy
1254 && !strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$"))
1255 new_fix
->fx_subsy
= NULL
;
1258 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1259 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1262 parse_cons_expression_hppa (exp
)
1265 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1269 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1270 hppa_field_selector is set by the parse_cons_expression_hppa. */
1273 cons_fix_new_hppa (frag
, where
, size
, exp
)
1279 unsigned int rel_type
;
1281 /* Get a base relocation type. */
1282 if (is_DP_relative (*exp
))
1283 rel_type
= R_HPPA_GOTOFF
;
1284 else if (is_complex (*exp
))
1285 rel_type
= R_HPPA_COMPLEX
;
1289 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1290 as_warn (_("Invalid field selector. Assuming F%%."));
1292 fix_new_hppa (frag
, where
, size
,
1293 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1294 hppa_field_selector
, 32, 0, NULL
);
1296 /* Reset field selector to its default state. */
1297 hppa_field_selector
= 0;
1300 /* This function is called once, at assembler startup time. It should
1301 set up all the tables, etc. that the MD part of the assembler will need. */
1306 const char *retval
= NULL
;
1310 last_call_info
= NULL
;
1311 call_info_root
= NULL
;
1313 /* Set the default machine type. */
1314 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
1315 as_warn (_("could not set architecture and machine"));
1317 /* Folding of text and data segments fails miserably on the PA.
1318 Warn user and disable "-R" option. */
1319 if (flag_readonly_data_in_text
)
1321 as_warn (_("-R option not supported on this target."));
1322 flag_readonly_data_in_text
= 0;
1329 op_hash
= hash_new ();
1331 while (i
< NUMOPCODES
)
1333 const char *name
= pa_opcodes
[i
].name
;
1334 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1335 if (retval
!= NULL
&& *retval
!= '\0')
1337 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1342 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1343 != pa_opcodes
[i
].match
)
1345 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1346 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1351 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1355 as_fatal (_("Broken assembler. No assembly attempted."));
1358 /* SOM will change text_section. To make sure we never put
1359 anything into the old one switch to the new one now. */
1360 subseg_set (text_section
, 0);
1364 dummy_symbol
= symbol_find_or_make ("L$dummy");
1365 S_SET_SEGMENT (dummy_symbol
, text_section
);
1366 /* Force the symbol to be converted to a real symbol. */
1367 (void) symbol_get_bfdsym (dummy_symbol
);
1371 /* Assemble a single instruction storing it into a frag. */
1378 /* The had better be something to assemble. */
1381 /* If we are within a procedure definition, make sure we've
1382 defined a label for the procedure; handle case where the
1383 label was defined after the .PROC directive.
1385 Note there's not need to diddle with the segment or fragment
1386 for the label symbol in this case. We have already switched
1387 into the new $CODE$ subspace at this point. */
1388 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1390 label_symbol_struct
*label_symbol
= pa_get_label ();
1394 if (label_symbol
->lss_label
)
1396 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1397 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1400 /* Also handle allocation of a fixup to hold the unwind
1401 information when the label appears after the proc/procend. */
1402 if (within_entry_exit
)
1404 char *where
= frag_more (0);
1406 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1407 NULL
, (offsetT
) 0, NULL
,
1408 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
1409 (int *)&last_call_info
->ci_unwind
.descriptor
);
1414 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1417 as_bad (_("Missing function name for .PROC"));
1420 /* Assemble the instruction. Results are saved into "the_insn". */
1423 /* Get somewhere to put the assembled instrution. */
1426 /* Output the opcode. */
1427 md_number_to_chars (to
, the_insn
.opcode
, 4);
1429 /* If necessary output more stuff. */
1430 if (the_insn
.reloc
!= R_HPPA_NONE
)
1431 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1432 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1433 the_insn
.reloc
, the_insn
.field_selector
,
1434 the_insn
.format
, the_insn
.arg_reloc
, NULL
);
1437 /* Do the real work for assembling a single instruction. Store results
1438 into the global "the_insn" variable. */
1444 char *error_message
= "";
1445 char *s
, c
, *argstart
, *name
, *save_s
;
1449 int cmpltr
, nullif
, flag
, cond
, num
;
1450 unsigned long opcode
;
1451 struct pa_opcode
*insn
;
1454 /* We must have a valid space and subspace. */
1455 pa_check_current_space_and_subspace ();
1458 /* Skip to something interesting. */
1459 for (s
= str
; isupper (*s
) || islower (*s
) || (*s
>= '0' && *s
<= '3'); ++s
)
1478 as_fatal (_("Unknown opcode: `%s'"), str
);
1483 /* Convert everything into lower case. */
1486 if (isupper (*save_s
))
1487 *save_s
= tolower (*save_s
);
1491 /* Look up the opcode in the has table. */
1492 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1494 as_bad ("Unknown opcode: `%s'", str
);
1503 /* Mark the location where arguments for the instruction start, then
1504 start processing them. */
1508 /* Do some initialization. */
1509 opcode
= insn
->match
;
1510 memset (&the_insn
, 0, sizeof (the_insn
));
1512 the_insn
.reloc
= R_HPPA_NONE
;
1514 /* If this instruction is specific to a particular architecture,
1515 then set a new architecture. */
1516 /* But do not automatically promote to pa2.0. The automatic promotion
1517 crud is for compatability with HP's old assemblers only. */
1519 && bfd_get_mach (stdoutput
) < insn
->arch
)
1521 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1522 as_warn (_("could not update architecture and machine"));
1524 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1530 /* Build the opcode, checking as we go to make
1531 sure that the operands match. */
1532 for (args
= insn
->args
;; ++args
)
1537 /* End of arguments. */
1553 /* These must match exactly. */
1562 /* Handle a 5 bit register or control register field at 10. */
1565 num
= pa_parse_number (&s
, 0);
1566 CHECK_FIELD (num
, 31, 0, 0);
1567 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1569 /* Handle a 5 bit register field at 15. */
1571 num
= pa_parse_number (&s
, 0);
1572 CHECK_FIELD (num
, 31, 0, 0);
1573 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1575 /* Handle a 5 bit register field at 31. */
1578 num
= pa_parse_number (&s
, 0);
1579 CHECK_FIELD (num
, 31, 0, 0);
1580 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1582 /* Handle a 5 bit field length at 31. */
1584 num
= pa_get_absolute_expression (&the_insn
, &s
);
1586 CHECK_FIELD (num
, 32, 1, 0);
1587 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1589 /* Handle a 5 bit immediate at 15. */
1591 num
= pa_get_absolute_expression (&the_insn
, &s
);
1593 CHECK_FIELD (num
, 15, -16, 0);
1594 low_sign_unext (num
, 5, &num
);
1595 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1597 /* Handle a 5 bit immediate at 31. */
1599 num
= pa_get_absolute_expression (&the_insn
, &s
);
1601 CHECK_FIELD (num
, 15, -16, 0)
1602 low_sign_unext (num
, 5, &num
);
1603 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1605 /* Handle an unsigned 5 bit immediate at 31. */
1607 num
= pa_get_absolute_expression (&the_insn
, &s
);
1609 CHECK_FIELD (num
, 31, 0, 0);
1610 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1612 /* Handle an unsigned 5 bit immediate at 15. */
1614 num
= pa_get_absolute_expression (&the_insn
, &s
);
1616 CHECK_FIELD (num
, 31, 0, 0);
1617 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1619 /* Handle a 2 bit space identifier at 17. */
1621 num
= pa_parse_number (&s
, 0);
1622 CHECK_FIELD (num
, 3, 0, 1);
1623 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1625 /* Handle a 3 bit space identifier at 18. */
1627 num
= pa_parse_number (&s
, 0);
1628 CHECK_FIELD (num
, 7, 0, 1);
1629 dis_assemble_3 (num
, &num
);
1630 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
1632 /* Handle a completer for an indexing load or store. */
1638 while (*s
== ',' && i
< 2)
1641 if (strncasecmp (s
, "sm", 2) == 0)
1648 else if (strncasecmp (s
, "m", 1) == 0)
1650 else if (strncasecmp (s
, "s", 1) == 0)
1653 as_bad (_("Invalid Indexed Load Completer."));
1658 as_bad (_("Invalid Indexed Load Completer Syntax."));
1660 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1663 /* Handle a short load/store completer. */
1671 if (strncasecmp (s
, "ma", 2) == 0)
1676 else if (strncasecmp (s
, "mb", 2) == 0)
1682 as_bad (_("Invalid Short Load/Store Completer."));
1689 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1693 /* Handle a stbys completer. */
1699 while (*s
== ',' && i
< 2)
1702 if (strncasecmp (s
, "m", 1) == 0)
1704 else if (strncasecmp (s
, "b", 1) == 0)
1706 else if (strncasecmp (s
, "e", 1) == 0)
1709 as_bad (_("Invalid Store Bytes Short Completer"));
1714 as_bad (_("Invalid Store Bytes Short Completer"));
1716 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1719 /* Handle a non-negated compare/stubtract condition. */
1721 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
1724 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
1727 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1729 /* Handle a negated or non-negated compare/subtract condition. */
1732 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
1736 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
, 1);
1739 as_bad (_("Invalid Compare/Subtract Condition."));
1744 /* Negated condition requires an opcode change. */
1749 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1751 /* Handle non-negated add condition. */
1753 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
1756 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
1759 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1761 /* Handle a negated or non-negated add condition. */
1764 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
1768 cmpltr
= pa_parse_neg_add_cmpltr (&s
, 1);
1771 as_bad (_("Invalid Compare/Subtract Condition"));
1776 /* Negated condition requires an opcode change. */
1780 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1782 /* Handle a compare/subtract condition. */
1790 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
1794 if (strcmp (name
, "=") == 0)
1796 else if (strcmp (name
, "<") == 0)
1798 else if (strcmp (name
, "<=") == 0)
1800 else if (strcasecmp (name
, "<<") == 0)
1802 else if (strcasecmp (name
, "<<=") == 0)
1804 else if (strcasecmp (name
, "sv") == 0)
1806 else if (strcasecmp (name
, "od") == 0)
1808 else if (strcasecmp (name
, "tr") == 0)
1813 else if (strcmp (name
, "<>") == 0)
1818 else if (strcmp (name
, ">=") == 0)
1823 else if (strcmp (name
, ">") == 0)
1828 else if (strcasecmp (name
, ">>=") == 0)
1833 else if (strcasecmp (name
, ">>") == 0)
1838 else if (strcasecmp (name
, "nsv") == 0)
1843 else if (strcasecmp (name
, "ev") == 0)
1849 as_bad (_("Invalid Add Condition: %s"), name
);
1852 opcode
|= cmpltr
<< 13;
1853 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
1855 /* Handle a non-negated add condition. */
1863 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
1867 if (strcmp (name
, "=") == 0)
1869 else if (strcmp (name
, "<") == 0)
1871 else if (strcmp (name
, "<=") == 0)
1873 else if (strcasecmp (name
, "nuv") == 0)
1875 else if (strcasecmp (name
, "znv") == 0)
1877 else if (strcasecmp (name
, "sv") == 0)
1879 else if (strcasecmp (name
, "od") == 0)
1881 else if (strcasecmp (name
, "tr") == 0)
1886 else if (strcmp (name
, "<>") == 0)
1891 else if (strcmp (name
, ">=") == 0)
1896 else if (strcmp (name
, ">") == 0)
1901 else if (strcasecmp (name
, "uv") == 0)
1906 else if (strcasecmp (name
, "vnz") == 0)
1911 else if (strcasecmp (name
, "nsv") == 0)
1916 else if (strcasecmp (name
, "ev") == 0)
1922 as_bad (_("Invalid Add Condition: %s"), name
);
1925 opcode
|= cmpltr
<< 13;
1926 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
1928 /* HANDLE a logical instruction condition. */
1936 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
1942 if (strcmp (name
, "=") == 0)
1944 else if (strcmp (name
, "<") == 0)
1946 else if (strcmp (name
, "<=") == 0)
1948 else if (strcasecmp (name
, "od") == 0)
1950 else if (strcasecmp (name
, "tr") == 0)
1955 else if (strcmp (name
, "<>") == 0)
1960 else if (strcmp (name
, ">=") == 0)
1965 else if (strcmp (name
, ">") == 0)
1970 else if (strcasecmp (name
, "ev") == 0)
1976 as_bad (_("Invalid Logical Instruction Condition."));
1979 opcode
|= cmpltr
<< 13;
1980 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
1982 /* Handle a unit instruction condition. */
1991 if (strncasecmp (s
, "sbz", 3) == 0)
1996 else if (strncasecmp (s
, "shz", 3) == 0)
2001 else if (strncasecmp (s
, "sdc", 3) == 0)
2006 else if (strncasecmp (s
, "sbc", 3) == 0)
2011 else if (strncasecmp (s
, "shc", 3) == 0)
2016 else if (strncasecmp (s
, "tr", 2) == 0)
2022 else if (strncasecmp (s
, "nbz", 3) == 0)
2028 else if (strncasecmp (s
, "nhz", 3) == 0)
2034 else if (strncasecmp (s
, "ndc", 3) == 0)
2040 else if (strncasecmp (s
, "nbc", 3) == 0)
2046 else if (strncasecmp (s
, "nhc", 3) == 0)
2053 as_bad (_("Invalid Logical Instruction Condition."));
2055 opcode
|= cmpltr
<< 13;
2056 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2058 /* Handle a shift/extract/deposit condition. */
2068 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2072 if (strcmp (name
, "=") == 0)
2074 else if (strcmp (name
, "<") == 0)
2076 else if (strcasecmp (name
, "od") == 0)
2078 else if (strcasecmp (name
, "tr") == 0)
2080 else if (strcmp (name
, "<>") == 0)
2082 else if (strcmp (name
, ">=") == 0)
2084 else if (strcasecmp (name
, "ev") == 0)
2086 /* Handle movb,n. Put things back the way they were.
2087 This includes moving s back to where it started. */
2088 else if (strcasecmp (name
, "n") == 0 && *args
== '|')
2095 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2098 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2100 /* Handle bvb and bb conditions. */
2106 if (strncmp (s
, "<", 1) == 0)
2111 else if (strncmp (s
, ">=", 2) == 0)
2117 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2119 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2121 /* Handle a system control completer. */
2123 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2131 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2133 /* Handle a nullification completer for branch instructions. */
2135 nullif
= pa_parse_nullif (&s
);
2136 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2138 /* Handle a nullification completer for copr and spop insns. */
2140 nullif
= pa_parse_nullif (&s
);
2141 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2144 /* Handle a 11 bit immediate at 31. */
2146 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2149 if (the_insn
.exp
.X_op
== O_constant
)
2151 num
= evaluate_absolute (&the_insn
);
2152 CHECK_FIELD (num
, 1023, -1024, 0);
2153 low_sign_unext (num
, 11, &num
);
2154 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2158 if (is_DP_relative (the_insn
.exp
))
2159 the_insn
.reloc
= R_HPPA_GOTOFF
;
2160 else if (is_PC_relative (the_insn
.exp
))
2161 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2163 the_insn
.reloc
= R_HPPA
;
2164 the_insn
.format
= 11;
2169 /* Handle a 14 bit immediate at 31. */
2171 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2174 if (the_insn
.exp
.X_op
== O_constant
)
2176 num
= evaluate_absolute (&the_insn
);
2177 CHECK_FIELD (num
, 8191, -8192, 0);
2178 low_sign_unext (num
, 14, &num
);
2179 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2183 if (is_DP_relative (the_insn
.exp
))
2184 the_insn
.reloc
= R_HPPA_GOTOFF
;
2185 else if (is_PC_relative (the_insn
.exp
))
2186 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2188 the_insn
.reloc
= R_HPPA
;
2189 the_insn
.format
= 14;
2193 /* Handle a 21 bit immediate at 31. */
2195 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2198 if (the_insn
.exp
.X_op
== O_constant
)
2200 num
= evaluate_absolute (&the_insn
);
2201 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
2202 dis_assemble_21 (num
, &num
);
2203 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2207 if (is_DP_relative (the_insn
.exp
))
2208 the_insn
.reloc
= R_HPPA_GOTOFF
;
2209 else if (is_PC_relative (the_insn
.exp
))
2210 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2212 the_insn
.reloc
= R_HPPA
;
2213 the_insn
.format
= 21;
2217 /* Handle a 12 bit branch displacement. */
2219 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2223 if (!strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
), "L$0\001"))
2225 unsigned int w1
, w
, result
;
2227 num
= evaluate_absolute (&the_insn
);
2230 as_bad (_("Branch to unaligned address"));
2233 CHECK_FIELD (num
, 8199, -8184, 0);
2234 sign_unext ((num
- 8) >> 2, 12, &result
);
2235 dis_assemble_12 (result
, &w1
, &w
);
2236 INSERT_FIELD_AND_CONTINUE (opcode
, ((w1
<< 2) | w
), 0);
2240 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2241 the_insn
.format
= 12;
2242 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
2243 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
2248 /* Handle a 17 bit branch displacement. */
2250 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2254 if (!the_insn
.exp
.X_add_symbol
2255 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
2258 unsigned int w2
, w1
, w
, result
;
2260 num
= evaluate_absolute (&the_insn
);
2263 as_bad (_("Branch to unaligned address"));
2266 CHECK_FIELD (num
, 262143, -262144, 0);
2268 if (the_insn
.exp
.X_add_symbol
)
2271 sign_unext (num
>> 2, 17, &result
);
2272 dis_assemble_17 (result
, &w1
, &w2
, &w
);
2273 INSERT_FIELD_AND_CONTINUE (opcode
,
2274 ((w2
<< 2) | (w1
<< 16) | w
), 0);
2278 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2279 the_insn
.format
= 17;
2280 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
2281 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
2285 /* Handle an absolute 17 bit branch target. */
2287 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2291 if (!the_insn
.exp
.X_add_symbol
2292 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
2295 unsigned int w2
, w1
, w
, result
;
2297 num
= evaluate_absolute (&the_insn
);
2300 as_bad (_("Branch to unaligned address"));
2303 CHECK_FIELD (num
, 262143, -262144, 0);
2305 if (the_insn
.exp
.X_add_symbol
)
2308 sign_unext (num
>> 2, 17, &result
);
2309 dis_assemble_17 (result
, &w1
, &w2
, &w
);
2310 INSERT_FIELD_AND_CONTINUE (opcode
,
2311 ((w2
<< 2) | (w1
<< 16) | w
), 0);
2315 the_insn
.reloc
= R_HPPA_ABS_CALL
;
2316 the_insn
.format
= 17;
2317 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
2318 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
2322 /* Handle a 5 bit shift count at 26. */
2324 num
= pa_get_absolute_expression (&the_insn
, &s
);
2326 CHECK_FIELD (num
, 31, 0, 0);
2327 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
2329 /* Handle a 5 bit bit position at 26. */
2331 num
= pa_get_absolute_expression (&the_insn
, &s
);
2333 CHECK_FIELD (num
, 31, 0, 0);
2334 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
2336 /* Handle a 5 bit immediate at 10. */
2339 num
= pa_get_absolute_expression (&the_insn
, &s
);
2340 if (the_insn
.exp
.X_op
!= O_constant
)
2343 CHECK_FIELD (num
, 31, 0, 0);
2344 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
2346 /* Handle a 13 bit immediate at 18. */
2348 num
= pa_get_absolute_expression (&the_insn
, &s
);
2350 CHECK_FIELD (num
, 8191, 0, 0);
2351 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2353 /* Handle a 26 bit immediate at 31. */
2355 num
= pa_get_absolute_expression (&the_insn
, &s
);
2357 CHECK_FIELD (num
, 671108864, 0, 0);
2358 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2360 /* Handle a 3 bit SFU identifier at 25. */
2363 as_bad (_("Invalid SFU identifier"));
2364 num
= pa_get_absolute_expression (&the_insn
, &s
);
2366 CHECK_FIELD (num
, 7, 0, 0);
2367 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
2369 /* Handle a 20 bit SOP field for spop0. */
2371 num
= pa_get_absolute_expression (&the_insn
, &s
);
2373 CHECK_FIELD (num
, 1048575, 0, 0);
2374 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
2375 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2377 /* Handle a 15bit SOP field for spop1. */
2379 num
= pa_get_absolute_expression (&the_insn
, &s
);
2381 CHECK_FIELD (num
, 32767, 0, 0);
2382 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
2384 /* Handle a 10bit SOP field for spop3. */
2386 num
= pa_get_absolute_expression (&the_insn
, &s
);
2388 CHECK_FIELD (num
, 1023, 0, 0);
2389 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
2390 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2392 /* Handle a 15 bit SOP field for spop2. */
2394 num
= pa_get_absolute_expression (&the_insn
, &s
);
2396 CHECK_FIELD (num
, 32767, 0, 0);
2397 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
2398 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2400 /* Handle a 3-bit co-processor ID field. */
2403 as_bad (_("Invalid COPR identifier"));
2404 num
= pa_get_absolute_expression (&the_insn
, &s
);
2406 CHECK_FIELD (num
, 7, 0, 0);
2407 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
2409 /* Handle a 22bit SOP field for copr. */
2411 num
= pa_get_absolute_expression (&the_insn
, &s
);
2413 CHECK_FIELD (num
, 4194303, 0, 0);
2414 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
2415 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2418 /* Handle a source FP operand format completer. */
2420 flag
= pa_parse_fp_format (&s
);
2421 the_insn
.fpof1
= flag
;
2422 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2424 /* Handle a destination FP operand format completer. */
2426 /* pa_parse_format needs the ',' prefix. */
2428 flag
= pa_parse_fp_format (&s
);
2429 the_insn
.fpof2
= flag
;
2430 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
2432 /* Handle FP compare conditions. */
2434 cond
= pa_parse_fp_cmp_cond (&s
);
2435 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2437 /* Handle L/R register halves like 't'. */
2440 struct pa_11_fp_reg_struct result
;
2442 pa_parse_number (&s
, &result
);
2443 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2444 opcode
|= result
.number_part
;
2446 /* 0x30 opcodes are FP arithmetic operation opcodes
2447 and need to be turned into 0x38 opcodes. This
2448 is not necessary for loads/stores. */
2449 if (need_pa11_opcode (&the_insn
, &result
)
2450 && ((opcode
& 0xfc000000) == 0x30000000))
2453 INSERT_FIELD_AND_CONTINUE (opcode
, result
.l_r_select
& 1, 6);
2456 /* Handle L/R register halves like 'b'. */
2459 struct pa_11_fp_reg_struct result
;
2461 pa_parse_number (&s
, &result
);
2462 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2463 opcode
|= result
.number_part
<< 21;
2464 if (need_pa11_opcode (&the_insn
, &result
))
2466 opcode
|= (result
.l_r_select
& 1) << 7;
2472 /* Handle L/R register halves like 'b'. */
2475 struct pa_11_fp_reg_struct result
;
2478 pa_parse_number (&s
, &result
);
2479 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2480 opcode
|= (result
.number_part
& 0x1c) << 11;
2481 opcode
|= (result
.number_part
& 0x3) << 9;
2482 opcode
|= (result
.l_r_select
& 1) << 8;
2486 /* Handle L/R register halves like 'x'. */
2489 struct pa_11_fp_reg_struct result
;
2491 pa_parse_number (&s
, &result
);
2492 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2493 opcode
|= (result
.number_part
& 0x1f) << 16;
2494 if (need_pa11_opcode (&the_insn
, &result
))
2496 opcode
|= (result
.l_r_select
& 1) << 1;
2501 /* Handle L/R register halves like 'x'. */
2504 struct pa_11_fp_reg_struct result
;
2506 pa_parse_number (&s
, &result
);
2507 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2508 opcode
|= (result
.number_part
& 0x1f) << 16;
2509 if (need_pa11_opcode (&the_insn
, &result
))
2511 opcode
|= (result
.l_r_select
& 1) << 12;
2517 /* Handle a 5 bit register field at 10. */
2520 struct pa_11_fp_reg_struct result
;
2522 pa_parse_number (&s
, &result
);
2523 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2524 if (the_insn
.fpof1
== SGL
)
2526 if (result
.number_part
< 16)
2528 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2532 result
.number_part
&= 0xF;
2533 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2535 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 21);
2538 /* Handle a 5 bit register field at 15. */
2541 struct pa_11_fp_reg_struct result
;
2543 pa_parse_number (&s
, &result
);
2544 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2545 if (the_insn
.fpof1
== SGL
)
2547 if (result
.number_part
< 16)
2549 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2552 result
.number_part
&= 0xF;
2553 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2555 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 16);
2558 /* Handle a 5 bit register field at 31. */
2561 struct pa_11_fp_reg_struct result
;
2563 pa_parse_number (&s
, &result
);
2564 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2565 if (the_insn
.fpof1
== SGL
)
2567 if (result
.number_part
< 16)
2569 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2572 result
.number_part
&= 0xF;
2573 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2575 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 0);
2578 /* Handle a 5 bit register field at 20. */
2581 struct pa_11_fp_reg_struct result
;
2583 pa_parse_number (&s
, &result
);
2584 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2585 if (the_insn
.fpof1
== SGL
)
2587 if (result
.number_part
< 16)
2589 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2592 result
.number_part
&= 0xF;
2593 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2595 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 11);
2598 /* Handle a 5 bit register field at 25. */
2601 struct pa_11_fp_reg_struct result
;
2603 pa_parse_number (&s
, &result
);
2604 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2605 if (the_insn
.fpof1
== SGL
)
2607 if (result
.number_part
< 16)
2609 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2612 result
.number_part
&= 0xF;
2613 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2615 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 6);
2618 /* Handle a floating point operand format at 26.
2619 Only allows single and double precision. */
2621 flag
= pa_parse_fp_format (&s
);
2627 the_insn
.fpof1
= flag
;
2633 as_bad (_("Invalid Floating Point Operand Format."));
2644 /* Check if the args matched. */
2647 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
2648 && !strcmp (insn
->name
, insn
[1].name
))
2656 as_bad (_("Invalid operands %s"), error_message
);
2663 the_insn
.opcode
= opcode
;
2666 /* Turn a string in input_line_pointer into a floating point constant of type
2667 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
2668 emitted is stored in *sizeP . An error message or NULL is returned. */
2670 #define MAX_LITTLENUMS 6
2673 md_atof (type
, litP
, sizeP
)
2679 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
2680 LITTLENUM_TYPE
*wordP
;
2712 return _("Bad call to MD_ATOF()");
2714 t
= atof_ieee (input_line_pointer
, type
, words
);
2716 input_line_pointer
= t
;
2717 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
2718 for (wordP
= words
; prec
--;)
2720 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
2721 litP
+= sizeof (LITTLENUM_TYPE
);
2726 /* Write out big-endian. */
2729 md_number_to_chars (buf
, val
, n
)
2734 number_to_chars_bigendian (buf
, val
, n
);
2737 /* Translate internal representation of relocation info to BFD target
2741 tc_gen_reloc (section
, fixp
)
2746 struct hppa_fix_struct
*hppa_fixp
;
2747 bfd_reloc_code_real_type code
;
2748 static arelent
*no_relocs
= NULL
;
2750 bfd_reloc_code_real_type
**codes
;
2754 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
2755 if (fixp
->fx_addsy
== 0)
2757 assert (hppa_fixp
!= 0);
2758 assert (section
!= 0);
2760 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
2762 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2763 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2764 codes
= (bfd_reloc_code_real_type
**) hppa_gen_reloc_type (stdoutput
,
2766 hppa_fixp
->fx_r_format
,
2767 hppa_fixp
->fx_r_field
,
2768 fixp
->fx_subsy
!= NULL
,
2769 symbol_get_bfdsym (fixp
->fx_addsy
));
2774 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
2777 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
2778 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
2779 for (i
= 0; i
< n_relocs
; i
++)
2780 relocs
[i
] = &reloc
[i
];
2782 relocs
[n_relocs
] = NULL
;
2785 switch (fixp
->fx_r_type
)
2788 assert (n_relocs
== 1);
2792 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2793 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2794 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
, code
);
2795 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2796 reloc
->addend
= 0; /* default */
2798 assert (reloc
->howto
&& code
== reloc
->howto
->type
);
2800 /* Now, do any processing that is dependent on the relocation type. */
2803 case R_PARISC_DLTREL21L
:
2804 case R_PARISC_DLTREL14R
:
2805 case R_PARISC_DLTREL14F
:
2806 case R_PARISC_PLABEL32
:
2807 case R_PARISC_PLABEL21L
:
2808 case R_PARISC_PLABEL14R
:
2809 /* For plabel relocations, the addend of the
2810 relocation should be either 0 (no static link) or 2
2811 (static link required).
2813 FIXME: We always assume no static link!
2815 We also slam a zero addend into the DLT relative relocs;
2816 it doesn't make a lot of sense to use any addend since
2817 it gets you a different (eg unknown) DLT entry. */
2821 case R_PARISC_PCREL21L
:
2822 case R_PARISC_PCREL17R
:
2823 case R_PARISC_PCREL17F
:
2824 case R_PARISC_PCREL17C
:
2825 case R_PARISC_PCREL14R
:
2826 case R_PARISC_PCREL14F
:
2827 /* The constant is stored in the instruction. */
2828 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
2831 reloc
->addend
= fixp
->fx_offset
;
2838 /* Walk over reach relocation returned by the BFD backend. */
2839 for (i
= 0; i
< n_relocs
; i
++)
2843 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2844 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2845 relocs
[i
]->howto
= bfd_reloc_type_lookup (stdoutput
, code
);
2846 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2851 /* The only time we ever use a R_COMP2 fixup is for the difference
2852 of two symbols. With that in mind we fill in all four
2853 relocs now and break out of the loop. */
2855 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
2856 relocs
[0]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[0]);
2857 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2858 relocs
[0]->addend
= 0;
2859 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2860 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2861 relocs
[1]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[1]);
2862 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2863 relocs
[1]->addend
= 0;
2864 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2865 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
2866 relocs
[2]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[2]);
2867 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2868 relocs
[2]->addend
= 0;
2869 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
2870 relocs
[3]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[3]);
2871 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2872 relocs
[3]->addend
= 0;
2873 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
2874 relocs
[4]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[4]);
2875 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2876 relocs
[4]->addend
= 0;
2880 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
2886 /* For plabel relocations, the addend of the
2887 relocation should be either 0 (no static link) or 2
2888 (static link required).
2890 FIXME: We always assume no static link!
2892 We also slam a zero addend into the DLT relative relocs;
2893 it doesn't make a lot of sense to use any addend since
2894 it gets you a different (eg unknown) DLT entry. */
2895 relocs
[i
]->addend
= 0;
2910 /* There is no symbol or addend associated with these fixups. */
2911 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2912 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
2913 relocs
[i
]->addend
= 0;
2919 /* There is no symbol associated with these fixups. */
2920 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2921 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
2922 relocs
[i
]->addend
= fixp
->fx_offset
;
2926 relocs
[i
]->addend
= fixp
->fx_offset
;
2936 /* Process any machine dependent frag types. */
2939 md_convert_frag (abfd
, sec
, fragP
)
2941 register asection
*sec
;
2942 register fragS
*fragP
;
2944 unsigned int address
;
2946 if (fragP
->fr_type
== rs_machine_dependent
)
2948 switch ((int) fragP
->fr_subtype
)
2951 fragP
->fr_type
= rs_fill
;
2952 know (fragP
->fr_var
== 1);
2953 know (fragP
->fr_next
);
2954 address
= fragP
->fr_address
+ fragP
->fr_fix
;
2955 if (address
% fragP
->fr_offset
)
2958 fragP
->fr_next
->fr_address
2963 fragP
->fr_offset
= 0;
2969 /* Round up a section size to the appropriate boundary. */
2972 md_section_align (segment
, size
)
2976 int align
= bfd_get_section_alignment (stdoutput
, segment
);
2977 int align2
= (1 << align
) - 1;
2979 return (size
+ align2
) & ~align2
;
2982 /* Return the approximate size of a frag before relaxation has occurred. */
2984 md_estimate_size_before_relax (fragP
, segment
)
2985 register fragS
*fragP
;
2992 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
2998 CONST
char *md_shortopts
= "";
2999 struct option md_longopts
[] = {
3000 {NULL
, no_argument
, NULL
, 0}
3002 size_t md_longopts_size
= sizeof(md_longopts
);
3005 md_parse_option (c
, arg
)
3013 md_show_usage (stream
)
3018 /* We have no need to default values of symbols. */
3021 md_undefined_symbol (name
)
3027 /* Apply a fixup to an instruction. */
3030 md_apply_fix (fixP
, valp
)
3034 char *buf
= fixP
->fx_where
+ fixP
->fx_frag
->fr_literal
;
3035 struct hppa_fix_struct
*hppa_fixP
;
3036 long new_val
, result
= 0;
3037 unsigned int w1
, w2
, w
, resulti
;
3039 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
3040 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
3041 never be "applied" (they are just markers). Likewise for
3042 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
3044 if (fixP
->fx_r_type
== R_HPPA_ENTRY
3045 || fixP
->fx_r_type
== R_HPPA_EXIT
3046 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
3047 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
3048 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
3051 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
3052 fixups are considered not adjustable, which in turn causes
3053 adjust_reloc_syms to not set fx_offset. Ugh. */
3054 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
3056 fixP
->fx_offset
= *valp
;
3061 /* There should have been an HPPA specific fixup associated
3062 with the GAS fixup. */
3065 unsigned long buf_wd
= bfd_get_32 (stdoutput
, buf
);
3066 unsigned char fmt
= bfd_hppa_insn2fmt (buf_wd
);
3068 /* If there is a symbol associated with this fixup, then it's something
3069 which will need a SOM relocation (except for some PC-relative relocs).
3070 In such cases we should treat the "val" or "addend" as zero since it
3071 will be added in as needed from fx_offset in tc_gen_reloc. */
3072 if ((fixP
->fx_addsy
!= NULL
3073 || fixP
->fx_r_type
== R_HPPA_NONE
)
3078 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
3080 /* These field selectors imply that we do not want an addend. */
3081 else if (hppa_fixP
->fx_r_field
== e_psel
3082 || hppa_fixP
->fx_r_field
== e_rpsel
3083 || hppa_fixP
->fx_r_field
== e_lpsel
3084 || hppa_fixP
->fx_r_field
== e_tsel
3085 || hppa_fixP
->fx_r_field
== e_rtsel
3086 || hppa_fixP
->fx_r_field
== e_ltsel
)
3087 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
3088 /* This is truely disgusting. The machine independent code blindly
3089 adds in the value of the symbol being relocated against. Damn! */
3091 && fixP
->fx_addsy
!= NULL
3092 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
3093 new_val
= hppa_field_adjust (*valp
- S_GET_VALUE (fixP
->fx_addsy
),
3094 0, hppa_fixP
->fx_r_field
);
3097 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
3099 /* Handle pc-relative exceptions from above. */
3100 #define arg_reloc_stub_needed(CALLER, CALLEE) \
3101 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
3102 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
3106 && !arg_reloc_stub_needed ((long) ((obj_symbol_type
*)
3107 symbol_get_bfdsym (fixP
->fx_addsy
))->tc_data
.ap
.hppa_arg_reloc
,
3108 hppa_fixP
->fx_arg_reloc
)
3110 && (((int)(*valp
) > -262144 && (int)(*valp
) < 262143) && fmt
!= 22)
3111 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
3113 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
3115 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
3116 #undef arg_reloc_stub_needed
3120 /* Handle all opcodes with the 'j' operand type. */
3122 CHECK_FIELD (new_val
, 8191, -8192, 0);
3124 /* Mask off 14 bits to be changed. */
3125 bfd_put_32 (stdoutput
,
3126 bfd_get_32 (stdoutput
, buf
) & 0xffffc000,
3128 low_sign_unext (new_val
, 14, &resulti
);
3132 /* Handle all opcodes with the 'k' operand type. */
3134 CHECK_FIELD (new_val
, 2097152, 0, 0);
3136 /* Mask off 21 bits to be changed. */
3137 bfd_put_32 (stdoutput
,
3138 bfd_get_32 (stdoutput
, buf
) & 0xffe00000,
3140 dis_assemble_21 (new_val
, &resulti
);
3144 /* Handle all the opcodes with the 'i' operand type. */
3146 CHECK_FIELD (new_val
, 1023, -1023, 0);
3148 /* Mask off 11 bits to be changed. */
3149 bfd_put_32 (stdoutput
,
3150 bfd_get_32 (stdoutput
, buf
) & 0xffff800,
3152 low_sign_unext (new_val
, 11, &resulti
);
3156 /* Handle all the opcodes with the 'w' operand type. */
3158 CHECK_FIELD (new_val
, 8199, -8184, 0);
3160 /* Mask off 11 bits to be changed. */
3161 sign_unext ((new_val
- 8) >> 2, 12, &resulti
);
3162 bfd_put_32 (stdoutput
,
3163 bfd_get_32 (stdoutput
, buf
) & 0xffffe002,
3166 dis_assemble_12 (resulti
, &w1
, &w
);
3167 result
= ((w1
<< 2) | w
);
3170 /* Handle some of the opcodes with the 'W' operand type. */
3173 int distance
= *valp
;
3175 CHECK_FIELD (new_val
, 262143, -262144, 0);
3177 /* If this is an absolute branch (ie no link) with an out of
3178 range target, then we want to complain. */
3179 if (fixP
->fx_r_type
== R_HPPA_PCREL_CALL
3180 && (distance
> 262143 || distance
< -262144)
3181 && (bfd_get_32 (stdoutput
, buf
) & 0xffe00000) == 0xe8000000)
3182 CHECK_FIELD (distance
, 262143, -262144, 0);
3184 /* Mask off 17 bits to be changed. */
3185 bfd_put_32 (stdoutput
,
3186 bfd_get_32 (stdoutput
, buf
) & 0xffe0e002,
3188 sign_unext ((new_val
- 8) >> 2, 17, &resulti
);
3189 dis_assemble_17 (resulti
, &w1
, &w2
, &w
);
3190 result
= ((w2
<< 2) | (w1
<< 16) | w
);
3196 bfd_put_32 (stdoutput
, new_val
, buf
);
3200 as_bad (_("Unknown relocation encountered in md_apply_fix."));
3204 /* Insert the relocation. */
3205 bfd_put_32 (stdoutput
, bfd_get_32 (stdoutput
, buf
) | result
, buf
);
3210 printf (_("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n"),
3211 (unsigned int) fixP
, fixP
->fx_r_type
);
3216 /* Exactly what point is a PC-relative offset relative TO?
3217 On the PA, they're relative to the address of the offset. */
3220 md_pcrel_from (fixP
)
3223 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
3226 /* Return nonzero if the input line pointer is at the end of
3230 is_end_of_statement ()
3232 return ((*input_line_pointer
== '\n')
3233 || (*input_line_pointer
== ';')
3234 || (*input_line_pointer
== '!'));
3237 /* Read a number from S. The number might come in one of many forms,
3238 the most common will be a hex or decimal constant, but it could be
3239 a pre-defined register (Yuk!), or an absolute symbol.
3241 Return a number or -1 for failure.
3243 When parsing PA-89 FP register numbers RESULT will be
3244 the address of a structure to return information about
3245 L/R half of FP registers, store results there as appropriate.
3247 pa_parse_number can not handle negative constants and will fail
3248 horribly if it is passed such a constant. */
3251 pa_parse_number (s
, result
)
3253 struct pa_11_fp_reg_struct
*result
;
3262 /* Skip whitespace before the number. */
3263 while (*p
== ' ' || *p
== '\t')
3266 /* Store info in RESULT if requested by caller. */
3269 result
->number_part
= -1;
3270 result
->l_r_select
= -1;
3276 /* Looks like a number. */
3279 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
3281 /* The number is specified in hex. */
3283 while (isdigit (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
3284 || ((*p
>= 'A') && (*p
<= 'F')))
3287 num
= num
* 16 + *p
- '0';
3288 else if (*p
>= 'a' && *p
<= 'f')
3289 num
= num
* 16 + *p
- 'a' + 10;
3291 num
= num
* 16 + *p
- 'A' + 10;
3297 /* The number is specified in decimal. */
3298 while (isdigit (*p
))
3300 num
= num
* 10 + *p
- '0';
3305 /* Store info in RESULT if requested by the caller. */
3308 result
->number_part
= num
;
3310 if (IS_R_SELECT (p
))
3312 result
->l_r_select
= 1;
3315 else if (IS_L_SELECT (p
))
3317 result
->l_r_select
= 0;
3321 result
->l_r_select
= 0;
3326 /* The number might be a predefined register. */
3331 /* Tege hack: Special case for general registers as the general
3332 code makes a binary search with case translation, and is VERY
3337 if (*p
== 'e' && *(p
+ 1) == 't'
3338 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
3341 num
= *p
- '0' + 28;
3349 else if (!isdigit (*p
))
3352 as_bad (_("Undefined register: '%s'."), name
);
3358 num
= num
* 10 + *p
++ - '0';
3359 while (isdigit (*p
));
3364 /* Do a normal register search. */
3365 while (is_part_of_name (c
))
3371 status
= reg_name_search (name
);
3377 as_bad (_("Undefined register: '%s'."), name
);
3383 /* Store info in RESULT if requested by caller. */
3386 result
->number_part
= num
;
3387 if (IS_R_SELECT (p
- 1))
3388 result
->l_r_select
= 1;
3389 else if (IS_L_SELECT (p
- 1))
3390 result
->l_r_select
= 0;
3392 result
->l_r_select
= 0;
3397 /* And finally, it could be a symbol in the absolute section which
3398 is effectively a constant. */
3402 while (is_part_of_name (c
))
3408 if ((sym
= symbol_find (name
)) != NULL
)
3410 if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
3411 num
= S_GET_VALUE (sym
);
3415 as_bad (_("Non-absolute symbol: '%s'."), name
);
3421 /* There is where we'd come for an undefined symbol
3422 or for an empty string. For an empty string we
3423 will return zero. That's a concession made for
3424 compatability with the braindamaged HP assemblers. */
3430 as_bad (_("Undefined absolute constant: '%s'."), name
);
3436 /* Store info in RESULT if requested by caller. */
3439 result
->number_part
= num
;
3440 if (IS_R_SELECT (p
- 1))
3441 result
->l_r_select
= 1;
3442 else if (IS_L_SELECT (p
- 1))
3443 result
->l_r_select
= 0;
3445 result
->l_r_select
= 0;
3453 #define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
3455 /* Given NAME, find the register number associated with that name, return
3456 the integer value associated with the given name or -1 on failure. */
3459 reg_name_search (name
)
3462 int middle
, low
, high
;
3466 high
= REG_NAME_CNT
- 1;
3470 middle
= (low
+ high
) / 2;
3471 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
3477 return pre_defined_registers
[middle
].value
;
3479 while (low
<= high
);
3485 /* Return nonzero if the given INSN and L/R information will require
3486 a new PA-1.1 opcode. */
3489 need_pa11_opcode (insn
, result
)
3491 struct pa_11_fp_reg_struct
*result
;
3493 if (result
->l_r_select
== 1 && !(insn
->fpof1
== DBL
&& insn
->fpof2
== DBL
))
3495 /* If this instruction is specific to a particular architecture,
3496 then set a new architecture. */
3497 if (bfd_get_mach (stdoutput
) < pa11
)
3499 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
3500 as_warn (_("could not update architecture and machine"));
3508 /* Parse a condition for a fcmp instruction. Return the numerical
3509 code associated with the condition. */
3512 pa_parse_fp_cmp_cond (s
)
3519 for (i
= 0; i
< 32; i
++)
3521 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
3522 strlen (fp_cond_map
[i
].string
)) == 0)
3524 cond
= fp_cond_map
[i
].cond
;
3525 *s
+= strlen (fp_cond_map
[i
].string
);
3526 /* If not a complete match, back up the input string and
3528 if (**s
!= ' ' && **s
!= '\t')
3530 *s
-= strlen (fp_cond_map
[i
].string
);
3533 while (**s
== ' ' || **s
== '\t')
3539 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
3541 /* Advance over the bogus completer. */
3542 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3549 /* Parse an FP operand format completer returning the completer
3552 static fp_operand_format
3553 pa_parse_fp_format (s
)
3562 if (strncasecmp (*s
, "sgl", 3) == 0)
3567 else if (strncasecmp (*s
, "dbl", 3) == 0)
3572 else if (strncasecmp (*s
, "quad", 4) == 0)
3579 format
= ILLEGAL_FMT
;
3580 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
3587 /* Convert from a selector string into a selector type. */
3590 pa_chk_field_selector (str
)
3593 int middle
, low
, high
;
3597 /* Read past any whitespace. */
3598 /* FIXME: should we read past newlines and formfeeds??? */
3599 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
3602 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
3603 name
[0] = tolower ((*str
)[0]),
3605 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
3606 name
[0] = tolower ((*str
)[0]),
3607 name
[1] = tolower ((*str
)[1]),
3610 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
3611 name
[0] = tolower ((*str
)[0]),
3612 name
[1] = tolower ((*str
)[1]),
3613 name
[2] = tolower ((*str
)[2]),
3620 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
3624 middle
= (low
+ high
) / 2;
3625 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
3632 *str
+= strlen (name
) + 1;
3634 if (selector_table
[middle
].field_selector
== e_nsel
)
3637 return selector_table
[middle
].field_selector
;
3640 while (low
<= high
);
3645 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
3648 get_expression (str
)
3654 save_in
= input_line_pointer
;
3655 input_line_pointer
= str
;
3656 seg
= expression (&the_insn
.exp
);
3657 if (!(seg
== absolute_section
3658 || seg
== undefined_section
3659 || SEG_NORMAL (seg
)))
3661 as_warn (_("Bad segment in expression."));
3662 expr_end
= input_line_pointer
;
3663 input_line_pointer
= save_in
;
3666 expr_end
= input_line_pointer
;
3667 input_line_pointer
= save_in
;
3671 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
3673 pa_get_absolute_expression (insn
, strp
)
3679 insn
->field_selector
= pa_chk_field_selector (strp
);
3680 save_in
= input_line_pointer
;
3681 input_line_pointer
= *strp
;
3682 expression (&insn
->exp
);
3683 /* This is not perfect, but is a huge improvement over doing nothing.
3685 The PA assembly syntax is ambigious in a variety of ways. Consider
3686 this string "4 %r5" Is that the number 4 followed by the register
3687 r5, or is that 4 MOD 5?
3689 If we get a modulo expresion When looking for an absolute, we try
3690 again cutting off the input string at the first whitespace character. */
3691 if (insn
->exp
.X_op
== O_modulus
)
3696 input_line_pointer
= *strp
;
3698 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
3704 retval
= pa_get_absolute_expression (insn
, strp
);
3706 input_line_pointer
= save_in
;
3708 return evaluate_absolute (insn
);
3710 if (insn
->exp
.X_op
!= O_constant
)
3712 as_bad (_("Bad segment (should be absolute)."));
3713 expr_end
= input_line_pointer
;
3714 input_line_pointer
= save_in
;
3717 expr_end
= input_line_pointer
;
3718 input_line_pointer
= save_in
;
3719 return evaluate_absolute (insn
);
3722 /* Evaluate an absolute expression EXP which may be modified by
3723 the selector FIELD_SELECTOR. Return the value of the expression. */
3725 evaluate_absolute (insn
)
3730 int field_selector
= insn
->field_selector
;
3733 value
= exp
.X_add_number
;
3735 switch (field_selector
)
3741 /* If bit 21 is on then add 0x800 and arithmetic shift right 11 bits. */
3743 if (value
& 0x00000400)
3745 value
= (value
& 0xfffff800) >> 11;
3748 /* Sign extend from bit 21. */
3750 if (value
& 0x00000400)
3751 value
|= 0xfffff800;
3756 /* Arithmetic shift right 11 bits. */
3758 value
= (value
& 0xfffff800) >> 11;
3761 /* Set bits 0-20 to zero. */
3763 value
= value
& 0x7ff;
3766 /* Add 0x800 and arithmetic shift right 11 bits. */
3769 value
= (value
& 0xfffff800) >> 11;
3772 /* Set bitgs 0-21 to one. */
3774 value
|= 0xfffff800;
3777 #define RSEL_ROUND(c) (((c) + 0x1000) & ~0x1fff)
3779 value
= (RSEL_ROUND (value
) & 0x7ff) + (value
- RSEL_ROUND (value
));
3783 value
= (RSEL_ROUND (value
) >> 11) & 0x1fffff;
3788 BAD_CASE (field_selector
);
3794 /* Given an argument location specification return the associated
3795 argument location number. */
3798 pa_build_arg_reloc (type_name
)
3802 if (strncasecmp (type_name
, "no", 2) == 0)
3804 if (strncasecmp (type_name
, "gr", 2) == 0)
3806 else if (strncasecmp (type_name
, "fr", 2) == 0)
3808 else if (strncasecmp (type_name
, "fu", 2) == 0)
3811 as_bad (_("Invalid argument location: %s\n"), type_name
);
3816 /* Encode and return an argument relocation specification for
3817 the given register in the location specified by arg_reloc. */
3820 pa_align_arg_reloc (reg
, arg_reloc
)
3822 unsigned int arg_reloc
;
3824 unsigned int new_reloc
;
3826 new_reloc
= arg_reloc
;
3842 as_bad (_("Invalid argument description: %d"), reg
);
3848 /* Parse a PA nullification completer (,n). Return nonzero if the
3849 completer was found; return zero if no completer was found. */
3861 if (strncasecmp (*s
, "n", 1) == 0)
3865 as_bad (_("Invalid Nullification: (%c)"), **s
);
3874 /* Parse a non-negated compare/subtract completer returning the
3875 number (for encoding in instrutions) of the given completer.
3877 ISBRANCH specifies whether or not this is parsing a condition
3878 completer for a branch (vs a nullification completer for a
3879 computational instruction. */
3882 pa_parse_nonneg_cmpsub_cmpltr (s
, isbranch
)
3887 char *name
= *s
+ 1;
3896 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3902 if (strcmp (name
, "=") == 0)
3906 else if (strcmp (name
, "<") == 0)
3910 else if (strcmp (name
, "<=") == 0)
3914 else if (strcmp (name
, "<<") == 0)
3918 else if (strcmp (name
, "<<=") == 0)
3922 else if (strcasecmp (name
, "sv") == 0)
3926 else if (strcasecmp (name
, "od") == 0)
3930 /* If we have something like addb,n then there is no condition
3932 else if (strcasecmp (name
, "n") == 0 && isbranch
)
3944 /* Reset pointers if this was really a ,n for a branch instruction. */
3952 /* Parse a negated compare/subtract completer returning the
3953 number (for encoding in instrutions) of the given completer.
3955 ISBRANCH specifies whether or not this is parsing a condition
3956 completer for a branch (vs a nullification completer for a
3957 computational instruction. */
3960 pa_parse_neg_cmpsub_cmpltr (s
, isbranch
)
3965 char *name
= *s
+ 1;
3974 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3980 if (strcasecmp (name
, "tr") == 0)
3984 else if (strcmp (name
, "<>") == 0)
3988 else if (strcmp (name
, ">=") == 0)
3992 else if (strcmp (name
, ">") == 0)
3996 else if (strcmp (name
, ">>=") == 0)
4000 else if (strcmp (name
, ">>") == 0)
4004 else if (strcasecmp (name
, "nsv") == 0)
4008 else if (strcasecmp (name
, "ev") == 0)
4012 /* If we have something like addb,n then there is no condition
4014 else if (strcasecmp (name
, "n") == 0 && isbranch
)
4026 /* Reset pointers if this was really a ,n for a branch instruction. */
4035 /* Parse a non-negated addition completer returning the number
4036 (for encoding in instrutions) of the given completer.
4038 ISBRANCH specifies whether or not this is parsing a condition
4039 completer for a branch (vs a nullification completer for a
4040 computational instruction. */
4043 pa_parse_nonneg_add_cmpltr (s
, isbranch
)
4048 char *name
= *s
+ 1;
4056 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4060 if (strcmp (name
, "=") == 0)
4064 else if (strcmp (name
, "<") == 0)
4068 else if (strcmp (name
, "<=") == 0)
4072 else if (strcasecmp (name
, "nuv") == 0)
4076 else if (strcasecmp (name
, "znv") == 0)
4080 else if (strcasecmp (name
, "sv") == 0)
4084 else if (strcasecmp (name
, "od") == 0)
4088 /* If we have something like addb,n then there is no condition
4090 else if (strcasecmp (name
, "n") == 0 && isbranch
)
4101 /* Reset pointers if this was really a ,n for a branch instruction. */
4102 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
4108 /* Parse a negated addition completer returning the number
4109 (for encoding in instrutions) of the given completer.
4111 ISBRANCH specifies whether or not this is parsing a condition
4112 completer for a branch (vs a nullification completer for a
4113 computational instruction). */
4116 pa_parse_neg_add_cmpltr (s
, isbranch
)
4121 char *name
= *s
+ 1;
4129 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4133 if (strcasecmp (name
, "tr") == 0)
4137 else if (strcmp (name
, "<>") == 0)
4141 else if (strcmp (name
, ">=") == 0)
4145 else if (strcmp (name
, ">") == 0)
4149 else if (strcasecmp (name
, "uv") == 0)
4153 else if (strcasecmp (name
, "vnz") == 0)
4157 else if (strcasecmp (name
, "nsv") == 0)
4161 else if (strcasecmp (name
, "ev") == 0)
4165 /* If we have something like addb,n then there is no condition
4167 else if (strcasecmp (name
, "n") == 0 && isbranch
)
4178 /* Reset pointers if this was really a ,n for a branch instruction. */
4179 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
4186 /* Handle an alignment directive. Special so that we can update the
4187 alignment of the subspace if necessary. */
4191 /* We must have a valid space and subspace. */
4192 pa_check_current_space_and_subspace ();
4194 /* Let the generic gas code do most of the work. */
4195 s_align_bytes (bytes
);
4197 /* If bytes is a power of 2, then update the current subspace's
4198 alignment if necessary. */
4199 if (log2 (bytes
) != -1)
4200 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
4204 /* Handle a .BLOCK type pseudo-op. */
4212 unsigned int temp_size
;
4216 /* We must have a valid space and subspace. */
4217 pa_check_current_space_and_subspace ();
4220 temp_size
= get_absolute_expression ();
4222 /* Always fill with zeros, that's what the HP assembler does. */
4225 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
4226 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
4227 memset (p
, 0, temp_size
);
4229 /* Convert 2 bytes at a time. */
4231 for (i
= 0; i
< temp_size
; i
+= 2)
4233 md_number_to_chars (p
+ i
,
4235 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
4238 pa_undefine_label ();
4239 demand_empty_rest_of_line ();
4242 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
4250 /* The BRTAB relocations are only availble in SOM (to denote
4251 the beginning and end of branch tables). */
4252 char *where
= frag_more (0);
4254 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4255 NULL
, (offsetT
) 0, NULL
,
4256 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
4257 e_fsel
, 0, 0, NULL
);
4260 demand_empty_rest_of_line ();
4263 /* Handle a .begin_try and .end_try pseudo-op. */
4271 char *where
= frag_more (0);
4276 /* The TRY relocations are only availble in SOM (to denote
4277 the beginning and end of exception handling regions). */
4279 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4280 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
4281 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
4282 e_fsel
, 0, 0, NULL
);
4285 demand_empty_rest_of_line ();
4288 /* Handle a .CALL pseudo-op. This involves storing away information
4289 about where arguments are to be found so the linker can detect
4290 (and correct) argument location mismatches between caller and callee. */
4297 /* We must have a valid space and subspace. */
4298 pa_check_current_space_and_subspace ();
4301 pa_call_args (&last_call_desc
);
4302 demand_empty_rest_of_line ();
4305 /* Do the dirty work of building a call descriptor which describes
4306 where the caller placed arguments to a function call. */
4309 pa_call_args (call_desc
)
4310 struct call_desc
*call_desc
;
4313 unsigned int temp
, arg_reloc
;
4315 while (!is_end_of_statement ())
4317 name
= input_line_pointer
;
4318 c
= get_symbol_end ();
4319 /* Process a source argument. */
4320 if ((strncasecmp (name
, "argw", 4) == 0))
4322 temp
= atoi (name
+ 4);
4323 p
= input_line_pointer
;
4325 input_line_pointer
++;
4326 name
= input_line_pointer
;
4327 c
= get_symbol_end ();
4328 arg_reloc
= pa_build_arg_reloc (name
);
4329 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
4331 /* Process a return value. */
4332 else if ((strncasecmp (name
, "rtnval", 6) == 0))
4334 p
= input_line_pointer
;
4336 input_line_pointer
++;
4337 name
= input_line_pointer
;
4338 c
= get_symbol_end ();
4339 arg_reloc
= pa_build_arg_reloc (name
);
4340 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
4344 as_bad (_("Invalid .CALL argument: %s"), name
);
4346 p
= input_line_pointer
;
4348 if (!is_end_of_statement ())
4349 input_line_pointer
++;
4353 /* Return TRUE if FRAG1 and FRAG2 are the same. */
4356 is_same_frag (frag1
, frag2
)
4363 else if (frag2
== NULL
)
4365 else if (frag1
== frag2
)
4367 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
4368 return (is_same_frag (frag1
, frag2
->fr_next
));
4374 /* Build an entry in the UNWIND subspace from the given function
4375 attributes in CALL_INFO. This is not needed for SOM as using
4376 R_ENTRY and R_EXIT relocations allow the linker to handle building
4377 of the unwind spaces. */
4380 pa_build_unwind_subspace (call_info
)
4381 struct call_info
*call_info
;
4385 asection
*seg
, *save_seg
;
4386 subsegT subseg
, save_subseg
;
4390 /* Get into the right seg/subseg. This may involve creating
4391 the seg the first time through. Make sure to have the
4392 old seg/subseg so that we can reset things when we are done. */
4393 subseg
= SUBSEG_UNWIND
;
4394 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
4395 if (seg
== ASEC_NULL
)
4397 seg
= bfd_make_section_old_way (stdoutput
, UNWIND_SECTION_NAME
);
4398 bfd_set_section_flags (stdoutput
, seg
,
4399 SEC_READONLY
| SEC_HAS_CONTENTS
4400 | SEC_LOAD
| SEC_RELOC
);
4404 save_subseg
= now_subseg
;
4405 subseg_set (seg
, subseg
);
4408 /* Get some space to hold relocation information for the unwind
4411 md_number_to_chars (p
, 0, 4);
4413 /* Relocation info. for start offset of the function. */
4414 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
4415 call_info
->start_symbol
, (offsetT
) 0,
4416 (expressionS
*) NULL
, 0, R_PARISC_DIR32
, e_fsel
, 32, 0, NULL
);
4419 md_number_to_chars (p
, 0, 4);
4421 /* Relocation info. for end offset of the function.
4423 Because we allow reductions of 32bit relocations for ELF, this will be
4424 reduced to section_sym + offset which avoids putting the temporary
4425 symbol into the symbol table. It (should) end up giving the same
4426 value as call_info->start_symbol + function size once the linker is
4427 finished with its work. */
4429 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
4430 call_info
->end_symbol
, (offsetT
) 0,
4431 (expressionS
*) NULL
, 0, R_PARISC_DIR32
, e_fsel
, 32, 0, NULL
);
4434 unwind
= (char *) &call_info
->ci_unwind
;
4435 for (i
= 8; i
< sizeof (struct unwind_table
); i
++)
4439 FRAG_APPEND_1_CHAR (c
);
4443 /* Return back to the original segment/subsegment. */
4444 subseg_set (save_seg
, save_subseg
);
4449 /* Process a .CALLINFO pseudo-op. This information is used later
4450 to build unwind descriptors and maybe one day to support
4451 .ENTER and .LEAVE. */
4454 pa_callinfo (unused
)
4461 /* We must have a valid space and subspace. */
4462 pa_check_current_space_and_subspace ();
4465 /* .CALLINFO must appear within a procedure definition. */
4466 if (!within_procedure
)
4467 as_bad (_(".callinfo is not within a procedure definition"));
4469 /* Mark the fact that we found the .CALLINFO for the
4470 current procedure. */
4471 callinfo_found
= TRUE
;
4473 /* Iterate over the .CALLINFO arguments. */
4474 while (!is_end_of_statement ())
4476 name
= input_line_pointer
;
4477 c
= get_symbol_end ();
4478 /* Frame size specification. */
4479 if ((strncasecmp (name
, "frame", 5) == 0))
4481 p
= input_line_pointer
;
4483 input_line_pointer
++;
4484 temp
= get_absolute_expression ();
4485 if ((temp
& 0x3) != 0)
4487 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
4491 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
4492 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
4495 /* Entry register (GR, GR and SR) specifications. */
4496 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
4498 p
= input_line_pointer
;
4500 input_line_pointer
++;
4501 temp
= get_absolute_expression ();
4502 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
4503 even though %r19 is caller saved. I think this is a bug in
4504 the HP assembler, and we are not going to emulate it. */
4505 if (temp
< 3 || temp
> 18)
4506 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
4507 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
4509 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
4511 p
= input_line_pointer
;
4513 input_line_pointer
++;
4514 temp
= get_absolute_expression ();
4515 /* Similarly the HP assembler takes 31 as the high bound even
4516 though %fr21 is the last callee saved floating point register. */
4517 if (temp
< 12 || temp
> 21)
4518 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
4519 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
4521 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
4523 p
= input_line_pointer
;
4525 input_line_pointer
++;
4526 temp
= get_absolute_expression ();
4528 as_bad (_("Value for ENTRY_SR must be 3\n"));
4530 /* Note whether or not this function performs any calls. */
4531 else if ((strncasecmp (name
, "calls", 5) == 0) ||
4532 (strncasecmp (name
, "caller", 6) == 0))
4534 p
= input_line_pointer
;
4537 else if ((strncasecmp (name
, "no_calls", 8) == 0))
4539 p
= input_line_pointer
;
4542 /* Should RP be saved into the stack. */
4543 else if ((strncasecmp (name
, "save_rp", 7) == 0))
4545 p
= input_line_pointer
;
4547 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
4549 /* Likewise for SP. */
4550 else if ((strncasecmp (name
, "save_sp", 7) == 0))
4552 p
= input_line_pointer
;
4554 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
4556 /* Is this an unwindable procedure. If so mark it so
4557 in the unwind descriptor. */
4558 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
4560 p
= input_line_pointer
;
4562 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
4564 /* Is this an interrupt routine. If so mark it in the
4565 unwind descriptor. */
4566 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
4568 p
= input_line_pointer
;
4570 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
4572 /* Is this a millicode routine. "millicode" isn't in my
4573 assembler manual, but my copy is old. The HP assembler
4574 accepts it, and there's a place in the unwind descriptor
4575 to drop the information, so we'll accept it too. */
4576 else if ((strncasecmp (name
, "millicode", 9) == 0))
4578 p
= input_line_pointer
;
4580 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
4584 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
4585 *input_line_pointer
= c
;
4587 if (!is_end_of_statement ())
4588 input_line_pointer
++;
4591 demand_empty_rest_of_line ();
4594 /* Switch into the code subspace. */
4601 current_space
= is_defined_space ("$TEXT$");
4603 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
4606 pa_undefine_label ();
4609 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
4610 the .comm pseudo-op has the following symtax:
4612 <label> .comm <length>
4614 where <label> is optional and is a symbol whose address will be the start of
4615 a block of memory <length> bytes long. <length> must be an absolute
4616 expression. <length> bytes will be allocated in the current space
4619 Also note the label may not even be on the same line as the .comm.
4621 This difference in syntax means the colon function will be called
4622 on the symbol before we arrive in pa_comm. colon will set a number
4623 of attributes of the symbol that need to be fixed here. In particular
4624 the value, section pointer, fragment pointer, flags, etc. What
4627 This also makes error detection all but impossible. */
4635 label_symbol_struct
*label_symbol
= pa_get_label ();
4638 symbol
= label_symbol
->lss_label
;
4643 size
= get_absolute_expression ();
4647 S_SET_VALUE (symbol
, size
);
4648 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
4649 S_SET_EXTERNAL (symbol
);
4651 /* colon() has already set the frag to the current location in the
4652 current subspace; we need to reset the fragment to the zero address
4653 fragment. We also need to reset the segment pointer. */
4654 symbol_set_frag (symbol
, &zero_address_frag
);
4656 demand_empty_rest_of_line ();
4659 /* Process a .END pseudo-op. */
4665 demand_empty_rest_of_line ();
4668 /* Process a .ENTER pseudo-op. This is not supported. */
4674 /* We must have a valid space and subspace. */
4675 pa_check_current_space_and_subspace ();
4678 as_bad (_("The .ENTER pseudo-op is not supported"));
4679 demand_empty_rest_of_line ();
4682 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
4689 /* We must have a valid space and subspace. */
4690 pa_check_current_space_and_subspace ();
4693 if (!within_procedure
)
4694 as_bad (_("Misplaced .entry. Ignored."));
4697 if (!callinfo_found
)
4698 as_bad (_("Missing .callinfo."));
4700 demand_empty_rest_of_line ();
4701 within_entry_exit
= TRUE
;
4704 /* SOM defers building of unwind descriptors until the link phase.
4705 The assembler is responsible for creating an R_ENTRY relocation
4706 to mark the beginning of a region and hold the unwind bits, and
4707 for creating an R_EXIT relocation to mark the end of the region.
4709 FIXME. ELF should be using the same conventions! The problem
4710 is an unwind requires too much relocation space. Hmmm. Maybe
4711 if we split the unwind bits up between the relocations which
4712 denote the entry and exit points. */
4713 if (last_call_info
->start_symbol
!= NULL
)
4715 char *where
= frag_more (0);
4717 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4718 NULL
, (offsetT
) 0, NULL
,
4719 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
4720 (int *) &last_call_info
->ci_unwind
.descriptor
);
4725 /* Handle a .EQU pseudo-op. */
4731 label_symbol_struct
*label_symbol
= pa_get_label ();
4736 symbol
= label_symbol
->lss_label
;
4738 S_SET_VALUE (symbol
, pa_parse_number (&input_line_pointer
, 0));
4740 S_SET_VALUE (symbol
, (unsigned int) get_absolute_expression ());
4741 S_SET_SEGMENT (symbol
, bfd_abs_section_ptr
);
4746 as_bad (_(".REG must use a label"));
4748 as_bad (_(".EQU must use a label"));
4751 pa_undefine_label ();
4752 demand_empty_rest_of_line ();
4755 /* Helper function. Does processing for the end of a function. This
4756 usually involves creating some relocations or building special
4757 symbols to mark the end of the function. */
4764 where
= frag_more (0);
4767 /* Mark the end of the function, stuff away the location of the frag
4768 for the end of the function, and finally call pa_build_unwind_subspace
4769 to add an entry in the unwind table. */
4770 hppa_elf_mark_end_of_function ();
4771 pa_build_unwind_subspace (last_call_info
);
4773 /* SOM defers building of unwind descriptors until the link phase.
4774 The assembler is responsible for creating an R_ENTRY relocation
4775 to mark the beginning of a region and hold the unwind bits, and
4776 for creating an R_EXIT relocation to mark the end of the region.
4778 FIXME. ELF should be using the same conventions! The problem
4779 is an unwind requires too much relocation space. Hmmm. Maybe
4780 if we split the unwind bits up between the relocations which
4781 denote the entry and exit points. */
4782 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4784 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
4785 (int *) &last_call_info
->ci_unwind
.descriptor
+ 1);
4789 /* Process a .EXIT pseudo-op. */
4796 /* We must have a valid space and subspace. */
4797 pa_check_current_space_and_subspace ();
4800 if (!within_procedure
)
4801 as_bad (_(".EXIT must appear within a procedure"));
4804 if (!callinfo_found
)
4805 as_bad (_("Missing .callinfo"));
4808 if (!within_entry_exit
)
4809 as_bad (_("No .ENTRY for this .EXIT"));
4812 within_entry_exit
= FALSE
;
4817 demand_empty_rest_of_line ();
4820 /* Process a .EXPORT directive. This makes functions external
4821 and provides information such as argument relocation entries
4831 name
= input_line_pointer
;
4832 c
= get_symbol_end ();
4833 /* Make sure the given symbol exists. */
4834 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
4836 as_bad (_("Cannot define export symbol: %s\n"), name
);
4837 p
= input_line_pointer
;
4839 input_line_pointer
++;
4843 /* OK. Set the external bits and process argument relocations. */
4844 S_SET_EXTERNAL (symbol
);
4845 p
= input_line_pointer
;
4847 if (!is_end_of_statement ())
4849 input_line_pointer
++;
4850 pa_type_args (symbol
, 1);
4854 demand_empty_rest_of_line ();
4857 /* Helper function to process arguments to a .EXPORT pseudo-op. */
4860 pa_type_args (symbolP
, is_export
)
4865 unsigned int temp
, arg_reloc
;
4866 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
4867 obj_symbol_type
*symbol
= (obj_symbol_type
*) symbol_get_bfdsym (symbolP
);
4869 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
4872 input_line_pointer
+= 8;
4873 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4874 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
4875 type
= SYMBOL_TYPE_ABSOLUTE
;
4877 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
4879 input_line_pointer
+= 4;
4880 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
4881 instead one should be IMPORTing/EXPORTing ENTRY types.
4883 Complain if one tries to EXPORT a CODE type since that's never
4884 done. Both GCC and HP C still try to IMPORT CODE types, so
4885 silently fix them to be ENTRY types. */
4886 if (S_IS_FUNCTION (symbolP
))
4889 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
4890 S_GET_NAME (symbolP
));
4892 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4893 type
= SYMBOL_TYPE_ENTRY
;
4897 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4898 type
= SYMBOL_TYPE_CODE
;
4901 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
4903 input_line_pointer
+= 4;
4904 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4905 type
= SYMBOL_TYPE_DATA
;
4907 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
4909 input_line_pointer
+= 5;
4910 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4911 type
= SYMBOL_TYPE_ENTRY
;
4913 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
4915 input_line_pointer
+= 9;
4916 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4917 type
= SYMBOL_TYPE_MILLICODE
;
4919 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
4921 input_line_pointer
+= 6;
4922 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4923 type
= SYMBOL_TYPE_PLABEL
;
4925 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
4927 input_line_pointer
+= 8;
4928 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4929 type
= SYMBOL_TYPE_PRI_PROG
;
4931 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
4933 input_line_pointer
+= 8;
4934 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4935 type
= SYMBOL_TYPE_SEC_PROG
;
4938 /* SOM requires much more information about symbol types
4939 than BFD understands. This is how we get this information
4940 to the SOM BFD backend. */
4941 #ifdef obj_set_symbol_type
4942 obj_set_symbol_type (symbol_get_bfdsym (symbolP
), (int) type
);
4945 /* Now that the type of the exported symbol has been handled,
4946 handle any argument relocation information. */
4947 while (!is_end_of_statement ())
4949 if (*input_line_pointer
== ',')
4950 input_line_pointer
++;
4951 name
= input_line_pointer
;
4952 c
= get_symbol_end ();
4953 /* Argument sources. */
4954 if ((strncasecmp (name
, "argw", 4) == 0))
4956 p
= input_line_pointer
;
4958 input_line_pointer
++;
4959 temp
= atoi (name
+ 4);
4960 name
= input_line_pointer
;
4961 c
= get_symbol_end ();
4962 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
4964 symbol
->tc_data
.ap
.hppa_arg_reloc
|= arg_reloc
;
4966 *input_line_pointer
= c
;
4968 /* The return value. */
4969 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
4971 p
= input_line_pointer
;
4973 input_line_pointer
++;
4974 name
= input_line_pointer
;
4975 c
= get_symbol_end ();
4976 arg_reloc
= pa_build_arg_reloc (name
);
4978 symbol
->tc_data
.ap
.hppa_arg_reloc
|= arg_reloc
;
4980 *input_line_pointer
= c
;
4982 /* Privelege level. */
4983 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
4985 p
= input_line_pointer
;
4987 input_line_pointer
++;
4988 temp
= atoi (input_line_pointer
);
4990 symbol
->tc_data
.ap
.hppa_priv_level
= temp
;
4992 c
= get_symbol_end ();
4993 *input_line_pointer
= c
;
4997 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
4998 p
= input_line_pointer
;
5001 if (!is_end_of_statement ())
5002 input_line_pointer
++;
5006 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
5007 assembly file must either be defined in the assembly file, or
5008 explicitly IMPORTED from another. */
5017 name
= input_line_pointer
;
5018 c
= get_symbol_end ();
5020 symbol
= symbol_find (name
);
5021 /* Ugh. We might be importing a symbol defined earlier in the file,
5022 in which case all the code below will really screw things up
5023 (set the wrong segment, symbol flags & type, etc). */
5024 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
5026 symbol
= symbol_find_or_make (name
);
5027 p
= input_line_pointer
;
5030 if (!is_end_of_statement ())
5032 input_line_pointer
++;
5033 pa_type_args (symbol
, 0);
5037 /* Sigh. To be compatable with the HP assembler and to help
5038 poorly written assembly code, we assign a type based on
5039 the the current segment. Note only BSF_FUNCTION really
5040 matters, we do not need to set the full SYMBOL_TYPE_* info. */
5041 if (now_seg
== text_section
)
5042 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
5044 /* If the section is undefined, then the symbol is undefined
5045 Since this is an import, leave the section undefined. */
5046 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
5051 /* The symbol was already defined. Just eat everything up to
5052 the end of the current statement. */
5053 while (!is_end_of_statement ())
5054 input_line_pointer
++;
5057 demand_empty_rest_of_line ();
5060 /* Handle a .LABEL pseudo-op. */
5068 name
= input_line_pointer
;
5069 c
= get_symbol_end ();
5071 if (strlen (name
) > 0)
5074 p
= input_line_pointer
;
5079 as_warn (_("Missing label name on .LABEL"));
5082 if (!is_end_of_statement ())
5084 as_warn (_("extra .LABEL arguments ignored."));
5085 ignore_rest_of_line ();
5087 demand_empty_rest_of_line ();
5090 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
5097 /* We must have a valid space and subspace. */
5098 pa_check_current_space_and_subspace ();
5101 as_bad (_("The .LEAVE pseudo-op is not supported"));
5102 demand_empty_rest_of_line ();
5105 /* Handle a .LEVEL pseudo-op. */
5113 level
= input_line_pointer
;
5114 if (strncmp (level
, "1.0", 3) == 0)
5116 input_line_pointer
+= 3;
5117 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
5118 as_warn (_("could not set architecture and machine"));
5120 else if (strncmp (level
, "1.1", 3) == 0)
5122 input_line_pointer
+= 3;
5123 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
5124 as_warn (_("could not set architecture and machine"));
5126 else if (strncmp (level
, "2.0", 3) == 0)
5128 input_line_pointer
+= 3;
5129 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
5130 as_warn (_("could not set architecture and machine"));
5134 as_bad (_("Unrecognized .LEVEL argument\n"));
5135 ignore_rest_of_line ();
5137 demand_empty_rest_of_line ();
5140 /* Handle a .ORIGIN pseudo-op. */
5147 /* We must have a valid space and subspace. */
5148 pa_check_current_space_and_subspace ();
5152 pa_undefine_label ();
5155 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
5156 is for static functions. FIXME. Should share more code with .EXPORT. */
5165 name
= input_line_pointer
;
5166 c
= get_symbol_end ();
5168 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
5170 as_bad (_("Cannot define static symbol: %s\n"), name
);
5171 p
= input_line_pointer
;
5173 input_line_pointer
++;
5177 S_CLEAR_EXTERNAL (symbol
);
5178 p
= input_line_pointer
;
5180 if (!is_end_of_statement ())
5182 input_line_pointer
++;
5183 pa_type_args (symbol
, 0);
5187 demand_empty_rest_of_line ();
5190 /* Handle a .PROC pseudo-op. It is used to mark the beginning
5191 of a procedure from a syntatical point of view. */
5197 struct call_info
*call_info
;
5200 /* We must have a valid space and subspace. */
5201 pa_check_current_space_and_subspace ();
5204 if (within_procedure
)
5205 as_fatal (_("Nested procedures"));
5207 /* Reset global variables for new procedure. */
5208 callinfo_found
= FALSE
;
5209 within_procedure
= TRUE
;
5211 /* Create another call_info structure. */
5212 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
5215 as_fatal (_("Cannot allocate unwind descriptor\n"));
5217 memset (call_info
, 0, sizeof (struct call_info
));
5219 call_info
->ci_next
= NULL
;
5221 if (call_info_root
== NULL
)
5223 call_info_root
= call_info
;
5224 last_call_info
= call_info
;
5228 last_call_info
->ci_next
= call_info
;
5229 last_call_info
= call_info
;
5232 /* set up defaults on call_info structure */
5234 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
5235 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
5236 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
5238 /* If we got a .PROC pseudo-op, we know that the function is defined
5239 locally. Make sure it gets into the symbol table. */
5241 label_symbol_struct
*label_symbol
= pa_get_label ();
5245 if (label_symbol
->lss_label
)
5247 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5248 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
5251 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5254 last_call_info
->start_symbol
= NULL
;
5257 demand_empty_rest_of_line ();
5260 /* Process the syntatical end of a procedure. Make sure all the
5261 appropriate pseudo-ops were found within the procedure. */
5269 /* We must have a valid space and subspace. */
5270 pa_check_current_space_and_subspace ();
5273 /* If we are within a procedure definition, make sure we've
5274 defined a label for the procedure; handle case where the
5275 label was defined after the .PROC directive.
5277 Note there's not need to diddle with the segment or fragment
5278 for the label symbol in this case. We have already switched
5279 into the new $CODE$ subspace at this point. */
5280 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5282 label_symbol_struct
*label_symbol
= pa_get_label ();
5286 if (label_symbol
->lss_label
)
5288 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5289 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5292 /* Also handle allocation of a fixup to hold the unwind
5293 information when the label appears after the proc/procend. */
5294 if (within_entry_exit
)
5296 char *where
= frag_more (0);
5298 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5299 NULL
, (offsetT
) 0, NULL
,
5300 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
5301 (int *) &last_call_info
->ci_unwind
.descriptor
);
5306 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5309 as_bad (_("Missing function name for .PROC"));
5312 if (!within_procedure
)
5313 as_bad (_("misplaced .procend"));
5315 if (!callinfo_found
)
5316 as_bad (_("Missing .callinfo for this procedure"));
5318 if (within_entry_exit
)
5319 as_bad (_("Missing .EXIT for a .ENTRY"));
5322 /* ELF needs to mark the end of each function so that it can compute
5323 the size of the function (apparently its needed in the symbol table). */
5324 hppa_elf_mark_end_of_function ();
5327 within_procedure
= FALSE
;
5328 demand_empty_rest_of_line ();
5329 pa_undefine_label ();
5332 /* If VALUE is an exact power of two between zero and 2^31, then
5333 return log2 (VALUE). Else return -1. */
5341 while ((1 << shift
) != value
&& shift
< 32)
5352 /* Check to make sure we have a valid space and subspace. */
5355 pa_check_current_space_and_subspace ()
5357 if (current_space
== NULL
)
5358 as_fatal (_("Not in a space.\n"));
5360 if (current_subspace
== NULL
)
5361 as_fatal (_("Not in a subspace.\n"));
5364 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
5365 then create a new space entry to hold the information specified
5366 by the parameters to the .SPACE directive. */
5368 static sd_chain_struct
*
5369 pa_parse_space_stmt (space_name
, create_flag
)
5373 char *name
, *ptemp
, c
;
5374 char loadable
, defined
, private, sort
;
5376 asection
*seg
= NULL
;
5377 sd_chain_struct
*space
;
5379 /* load default values */
5385 if (strcmp (space_name
, "$TEXT$") == 0)
5387 seg
= pa_def_spaces
[0].segment
;
5388 defined
= pa_def_spaces
[0].defined
;
5389 private = pa_def_spaces
[0].private;
5390 sort
= pa_def_spaces
[0].sort
;
5391 spnum
= pa_def_spaces
[0].spnum
;
5393 else if (strcmp (space_name
, "$PRIVATE$") == 0)
5395 seg
= pa_def_spaces
[1].segment
;
5396 defined
= pa_def_spaces
[1].defined
;
5397 private = pa_def_spaces
[1].private;
5398 sort
= pa_def_spaces
[1].sort
;
5399 spnum
= pa_def_spaces
[1].spnum
;
5402 if (!is_end_of_statement ())
5404 print_errors
= FALSE
;
5405 ptemp
= input_line_pointer
+ 1;
5406 /* First see if the space was specified as a number rather than
5407 as a name. According to the PA assembly manual the rest of
5408 the line should be ignored. */
5409 temp
= pa_parse_number (&ptemp
, 0);
5413 input_line_pointer
= ptemp
;
5417 while (!is_end_of_statement ())
5419 input_line_pointer
++;
5420 name
= input_line_pointer
;
5421 c
= get_symbol_end ();
5422 if ((strncasecmp (name
, "spnum", 5) == 0))
5424 *input_line_pointer
= c
;
5425 input_line_pointer
++;
5426 spnum
= get_absolute_expression ();
5428 else if ((strncasecmp (name
, "sort", 4) == 0))
5430 *input_line_pointer
= c
;
5431 input_line_pointer
++;
5432 sort
= get_absolute_expression ();
5434 else if ((strncasecmp (name
, "unloadable", 10) == 0))
5436 *input_line_pointer
= c
;
5439 else if ((strncasecmp (name
, "notdefined", 10) == 0))
5441 *input_line_pointer
= c
;
5444 else if ((strncasecmp (name
, "private", 7) == 0))
5446 *input_line_pointer
= c
;
5451 as_bad (_("Invalid .SPACE argument"));
5452 *input_line_pointer
= c
;
5453 if (!is_end_of_statement ())
5454 input_line_pointer
++;
5458 print_errors
= TRUE
;
5461 if (create_flag
&& seg
== NULL
)
5462 seg
= subseg_new (space_name
, 0);
5464 /* If create_flag is nonzero, then create the new space with
5465 the attributes computed above. Else set the values in
5466 an already existing space -- this can only happen for
5467 the first occurence of a built-in space. */
5469 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
5470 private, sort
, seg
, 1);
5473 space
= is_defined_space (space_name
);
5474 SPACE_SPNUM (space
) = spnum
;
5475 SPACE_DEFINED (space
) = defined
& 1;
5476 SPACE_USER_DEFINED (space
) = 1;
5479 #ifdef obj_set_section_attributes
5480 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
5486 /* Handle a .SPACE pseudo-op; this switches the current space to the
5487 given space, creating the new space if necessary. */
5493 char *name
, c
, *space_name
, *save_s
;
5495 sd_chain_struct
*sd_chain
;
5497 if (within_procedure
)
5499 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
5500 ignore_rest_of_line ();
5504 /* Check for some of the predefined spaces. FIXME: most of the code
5505 below is repeated several times, can we extract the common parts
5506 and place them into a subroutine or something similar? */
5507 /* FIXME Is this (and the next IF stmt) really right?
5508 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
5509 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
5511 input_line_pointer
+= 6;
5512 sd_chain
= is_defined_space ("$TEXT$");
5513 if (sd_chain
== NULL
)
5514 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
5515 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
5516 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
5518 current_space
= sd_chain
;
5519 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
5521 = pa_subsegment_to_subspace (text_section
,
5522 sd_chain
->sd_last_subseg
);
5523 demand_empty_rest_of_line ();
5526 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
5528 input_line_pointer
+= 9;
5529 sd_chain
= is_defined_space ("$PRIVATE$");
5530 if (sd_chain
== NULL
)
5531 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
5532 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
5533 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
5535 current_space
= sd_chain
;
5536 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
5538 = pa_subsegment_to_subspace (data_section
,
5539 sd_chain
->sd_last_subseg
);
5540 demand_empty_rest_of_line ();
5543 if (!strncasecmp (input_line_pointer
,
5544 GDB_DEBUG_SPACE_NAME
,
5545 strlen (GDB_DEBUG_SPACE_NAME
)))
5547 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
5548 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
5549 if (sd_chain
== NULL
)
5550 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
5551 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
5552 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
5554 current_space
= sd_chain
;
5557 asection
*gdb_section
5558 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
5560 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
5562 = pa_subsegment_to_subspace (gdb_section
,
5563 sd_chain
->sd_last_subseg
);
5565 demand_empty_rest_of_line ();
5569 /* It could be a space specified by number. */
5571 save_s
= input_line_pointer
;
5572 if ((temp
= pa_parse_number (&input_line_pointer
, 0)) >= 0)
5574 if ((sd_chain
= pa_find_space_by_number (temp
)))
5576 current_space
= sd_chain
;
5578 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
5580 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
5581 sd_chain
->sd_last_subseg
);
5582 demand_empty_rest_of_line ();
5587 /* Not a number, attempt to create a new space. */
5589 input_line_pointer
= save_s
;
5590 name
= input_line_pointer
;
5591 c
= get_symbol_end ();
5592 space_name
= xmalloc (strlen (name
) + 1);
5593 strcpy (space_name
, name
);
5594 *input_line_pointer
= c
;
5596 sd_chain
= pa_parse_space_stmt (space_name
, 1);
5597 current_space
= sd_chain
;
5599 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
5600 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
5601 sd_chain
->sd_last_subseg
);
5602 demand_empty_rest_of_line ();
5606 /* Switch to a new space. (I think). FIXME. */
5615 sd_chain_struct
*space
;
5617 name
= input_line_pointer
;
5618 c
= get_symbol_end ();
5619 space
= is_defined_space (name
);
5623 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
5626 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
5628 *input_line_pointer
= c
;
5629 demand_empty_rest_of_line ();
5632 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
5633 given subspace, creating the new subspace if necessary.
5635 FIXME. Should mirror pa_space more closely, in particular how
5636 they're broken up into subroutines. */
5639 pa_subspace (create_new
)
5642 char *name
, *ss_name
, c
;
5643 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
5644 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
5645 sd_chain_struct
*space
;
5646 ssd_chain_struct
*ssd
;
5649 if (current_space
== NULL
)
5650 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
5652 if (within_procedure
)
5654 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
5655 ignore_rest_of_line ();
5659 name
= input_line_pointer
;
5660 c
= get_symbol_end ();
5661 ss_name
= xmalloc (strlen (name
) + 1);
5662 strcpy (ss_name
, name
);
5663 *input_line_pointer
= c
;
5665 /* Load default values. */
5677 space
= current_space
;
5681 ssd
= is_defined_subspace (ss_name
);
5682 /* Allow user to override the builtin attributes of subspaces. But
5683 only allow the attributes to be changed once! */
5684 if (ssd
&& SUBSPACE_DEFINED (ssd
))
5686 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
5687 current_subspace
= ssd
;
5688 if (!is_end_of_statement ())
5689 as_warn (_("Parameters of an existing subspace can\'t be modified"));
5690 demand_empty_rest_of_line ();
5695 /* A new subspace. Load default values if it matches one of
5696 the builtin subspaces. */
5698 while (pa_def_subspaces
[i
].name
)
5700 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
5702 loadable
= pa_def_subspaces
[i
].loadable
;
5703 common
= pa_def_subspaces
[i
].common
;
5704 dup_common
= pa_def_subspaces
[i
].dup_common
;
5705 code_only
= pa_def_subspaces
[i
].code_only
;
5706 zero
= pa_def_subspaces
[i
].zero
;
5707 space_index
= pa_def_subspaces
[i
].space_index
;
5708 alignment
= pa_def_subspaces
[i
].alignment
;
5709 quadrant
= pa_def_subspaces
[i
].quadrant
;
5710 access
= pa_def_subspaces
[i
].access
;
5711 sort
= pa_def_subspaces
[i
].sort
;
5718 /* We should be working with a new subspace now. Fill in
5719 any information as specified by the user. */
5720 if (!is_end_of_statement ())
5722 input_line_pointer
++;
5723 while (!is_end_of_statement ())
5725 name
= input_line_pointer
;
5726 c
= get_symbol_end ();
5727 if ((strncasecmp (name
, "quad", 4) == 0))
5729 *input_line_pointer
= c
;
5730 input_line_pointer
++;
5731 quadrant
= get_absolute_expression ();
5733 else if ((strncasecmp (name
, "align", 5) == 0))
5735 *input_line_pointer
= c
;
5736 input_line_pointer
++;
5737 alignment
= get_absolute_expression ();
5738 if (log2 (alignment
) == -1)
5740 as_bad (_("Alignment must be a power of 2"));
5744 else if ((strncasecmp (name
, "access", 6) == 0))
5746 *input_line_pointer
= c
;
5747 input_line_pointer
++;
5748 access
= get_absolute_expression ();
5750 else if ((strncasecmp (name
, "sort", 4) == 0))
5752 *input_line_pointer
= c
;
5753 input_line_pointer
++;
5754 sort
= get_absolute_expression ();
5756 else if ((strncasecmp (name
, "code_only", 9) == 0))
5758 *input_line_pointer
= c
;
5761 else if ((strncasecmp (name
, "unloadable", 10) == 0))
5763 *input_line_pointer
= c
;
5766 else if ((strncasecmp (name
, "common", 6) == 0))
5768 *input_line_pointer
= c
;
5771 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
5773 *input_line_pointer
= c
;
5776 else if ((strncasecmp (name
, "zero", 4) == 0))
5778 *input_line_pointer
= c
;
5781 else if ((strncasecmp (name
, "first", 5) == 0))
5782 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
5784 as_bad (_("Invalid .SUBSPACE argument"));
5785 if (!is_end_of_statement ())
5786 input_line_pointer
++;
5790 /* Compute a reasonable set of BFD flags based on the information
5791 in the .subspace directive. */
5792 applicable
= bfd_applicable_section_flags (stdoutput
);
5795 flags
|= (SEC_ALLOC
| SEC_LOAD
);
5798 if (common
|| dup_common
)
5799 flags
|= SEC_IS_COMMON
;
5801 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
5803 /* This is a zero-filled subspace (eg BSS). */
5805 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
5807 applicable
&= flags
;
5809 /* If this is an existing subspace, then we want to use the
5810 segment already associated with the subspace.
5812 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
5813 lots of sections. It might be a problem in the PA ELF
5814 code, I do not know yet. For now avoid creating anything
5815 but the "standard" sections for ELF. */
5817 section
= subseg_force_new (ss_name
, 0);
5819 section
= ssd
->ssd_seg
;
5821 section
= subseg_new (ss_name
, 0);
5824 seg_info (section
)->bss
= 1;
5826 /* Now set the flags. */
5827 bfd_set_section_flags (stdoutput
, section
, applicable
);
5829 /* Record any alignment request for this section. */
5830 record_alignment (section
, log2 (alignment
));
5832 /* Set the starting offset for this section. */
5833 bfd_set_section_vma (stdoutput
, section
,
5834 pa_subspace_start (space
, quadrant
));
5836 /* Now that all the flags are set, update an existing subspace,
5837 or create a new one. */
5840 current_subspace
= update_subspace (space
, ss_name
, loadable
,
5841 code_only
, common
, dup_common
,
5842 sort
, zero
, access
, space_index
,
5843 alignment
, quadrant
,
5846 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
5848 dup_common
, zero
, sort
,
5849 access
, space_index
,
5850 alignment
, quadrant
, section
);
5852 demand_empty_rest_of_line ();
5853 current_subspace
->ssd_seg
= section
;
5854 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
5856 SUBSPACE_DEFINED (current_subspace
) = 1;
5860 /* Create default space and subspace dictionaries. */
5867 space_dict_root
= NULL
;
5868 space_dict_last
= NULL
;
5871 while (pa_def_spaces
[i
].name
)
5875 /* Pick the right name to use for the new section. */
5876 name
= pa_def_spaces
[i
].name
;
5878 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
5879 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
5880 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
5881 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
5882 pa_def_spaces
[i
].segment
, 0);
5887 while (pa_def_subspaces
[i
].name
)
5890 int applicable
, subsegment
;
5891 asection
*segment
= NULL
;
5892 sd_chain_struct
*space
;
5894 /* Pick the right name for the new section and pick the right
5895 subsegment number. */
5896 name
= pa_def_subspaces
[i
].name
;
5899 /* Create the new section. */
5900 segment
= subseg_new (name
, subsegment
);
5903 /* For SOM we want to replace the standard .text, .data, and .bss
5904 sections with our own. We also want to set BFD flags for
5905 all the built-in subspaces. */
5906 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
5908 text_section
= segment
;
5909 applicable
= bfd_applicable_section_flags (stdoutput
);
5910 bfd_set_section_flags (stdoutput
, segment
,
5911 applicable
& (SEC_ALLOC
| SEC_LOAD
5912 | SEC_RELOC
| SEC_CODE
5914 | SEC_HAS_CONTENTS
));
5916 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
5918 data_section
= segment
;
5919 applicable
= bfd_applicable_section_flags (stdoutput
);
5920 bfd_set_section_flags (stdoutput
, segment
,
5921 applicable
& (SEC_ALLOC
| SEC_LOAD
5923 | SEC_HAS_CONTENTS
));
5927 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
5929 bss_section
= segment
;
5930 applicable
= bfd_applicable_section_flags (stdoutput
);
5931 bfd_set_section_flags (stdoutput
, segment
,
5932 applicable
& SEC_ALLOC
);
5934 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
5936 applicable
= bfd_applicable_section_flags (stdoutput
);
5937 bfd_set_section_flags (stdoutput
, segment
,
5938 applicable
& (SEC_ALLOC
| SEC_LOAD
5941 | SEC_HAS_CONTENTS
));
5943 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
5945 applicable
= bfd_applicable_section_flags (stdoutput
);
5946 bfd_set_section_flags (stdoutput
, segment
,
5947 applicable
& (SEC_ALLOC
| SEC_LOAD
5950 | SEC_HAS_CONTENTS
));
5952 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
5954 applicable
= bfd_applicable_section_flags (stdoutput
);
5955 bfd_set_section_flags (stdoutput
, segment
,
5956 applicable
& (SEC_ALLOC
| SEC_LOAD
5959 | SEC_HAS_CONTENTS
));
5962 /* Find the space associated with this subspace. */
5963 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
5964 def_space_index
].segment
);
5967 as_fatal (_("Internal error: Unable to find containing space for %s."),
5968 pa_def_subspaces
[i
].name
);
5971 create_new_subspace (space
, name
,
5972 pa_def_subspaces
[i
].loadable
,
5973 pa_def_subspaces
[i
].code_only
,
5974 pa_def_subspaces
[i
].common
,
5975 pa_def_subspaces
[i
].dup_common
,
5976 pa_def_subspaces
[i
].zero
,
5977 pa_def_subspaces
[i
].sort
,
5978 pa_def_subspaces
[i
].access
,
5979 pa_def_subspaces
[i
].space_index
,
5980 pa_def_subspaces
[i
].alignment
,
5981 pa_def_subspaces
[i
].quadrant
,
5989 /* Create a new space NAME, with the appropriate flags as defined
5990 by the given parameters. */
5992 static sd_chain_struct
*
5993 create_new_space (name
, spnum
, loadable
, defined
, private,
5994 sort
, seg
, user_defined
)
6004 sd_chain_struct
*chain_entry
;
6006 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
6008 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
6011 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
6012 strcpy (SPACE_NAME (chain_entry
), name
);
6013 SPACE_DEFINED (chain_entry
) = defined
;
6014 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
6015 SPACE_SPNUM (chain_entry
) = spnum
;
6017 chain_entry
->sd_seg
= seg
;
6018 chain_entry
->sd_last_subseg
= -1;
6019 chain_entry
->sd_subspaces
= NULL
;
6020 chain_entry
->sd_next
= NULL
;
6022 /* Find spot for the new space based on its sort key. */
6023 if (!space_dict_last
)
6024 space_dict_last
= chain_entry
;
6026 if (space_dict_root
== NULL
)
6027 space_dict_root
= chain_entry
;
6030 sd_chain_struct
*chain_pointer
;
6031 sd_chain_struct
*prev_chain_pointer
;
6033 chain_pointer
= space_dict_root
;
6034 prev_chain_pointer
= NULL
;
6036 while (chain_pointer
)
6038 prev_chain_pointer
= chain_pointer
;
6039 chain_pointer
= chain_pointer
->sd_next
;
6042 /* At this point we've found the correct place to add the new
6043 entry. So add it and update the linked lists as appropriate. */
6044 if (prev_chain_pointer
)
6046 chain_entry
->sd_next
= chain_pointer
;
6047 prev_chain_pointer
->sd_next
= chain_entry
;
6051 space_dict_root
= chain_entry
;
6052 chain_entry
->sd_next
= chain_pointer
;
6055 if (chain_entry
->sd_next
== NULL
)
6056 space_dict_last
= chain_entry
;
6059 /* This is here to catch predefined spaces which do not get
6060 modified by the user's input. Another call is found at
6061 the bottom of pa_parse_space_stmt to handle cases where
6062 the user modifies a predefined space. */
6063 #ifdef obj_set_section_attributes
6064 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
6070 /* Create a new subspace NAME, with the appropriate flags as defined
6071 by the given parameters.
6073 Add the new subspace to the subspace dictionary chain in numerical
6074 order as defined by the SORT entries. */
6076 static ssd_chain_struct
*
6077 create_new_subspace (space
, name
, loadable
, code_only
, common
,
6078 dup_common
, is_zero
, sort
, access
, space_index
,
6079 alignment
, quadrant
, seg
)
6080 sd_chain_struct
*space
;
6082 int loadable
, code_only
, common
, dup_common
, is_zero
;
6090 ssd_chain_struct
*chain_entry
;
6092 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
6094 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
6096 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
6097 strcpy (SUBSPACE_NAME (chain_entry
), name
);
6099 /* Initialize subspace_defined. When we hit a .subspace directive
6100 we'll set it to 1 which "locks-in" the subspace attributes. */
6101 SUBSPACE_DEFINED (chain_entry
) = 0;
6103 chain_entry
->ssd_subseg
= 0;
6104 chain_entry
->ssd_seg
= seg
;
6105 chain_entry
->ssd_next
= NULL
;
6107 /* Find spot for the new subspace based on its sort key. */
6108 if (space
->sd_subspaces
== NULL
)
6109 space
->sd_subspaces
= chain_entry
;
6112 ssd_chain_struct
*chain_pointer
;
6113 ssd_chain_struct
*prev_chain_pointer
;
6115 chain_pointer
= space
->sd_subspaces
;
6116 prev_chain_pointer
= NULL
;
6118 while (chain_pointer
)
6120 prev_chain_pointer
= chain_pointer
;
6121 chain_pointer
= chain_pointer
->ssd_next
;
6124 /* Now we have somewhere to put the new entry. Insert it and update
6126 if (prev_chain_pointer
)
6128 chain_entry
->ssd_next
= chain_pointer
;
6129 prev_chain_pointer
->ssd_next
= chain_entry
;
6133 space
->sd_subspaces
= chain_entry
;
6134 chain_entry
->ssd_next
= chain_pointer
;
6138 #ifdef obj_set_subsection_attributes
6139 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
6146 /* Update the information for the given subspace based upon the
6147 various arguments. Return the modified subspace chain entry. */
6149 static ssd_chain_struct
*
6150 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
6151 zero
, access
, space_index
, alignment
, quadrant
, section
)
6152 sd_chain_struct
*space
;
6166 ssd_chain_struct
*chain_entry
;
6168 chain_entry
= is_defined_subspace (name
);
6170 #ifdef obj_set_subsection_attributes
6171 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
6178 /* Return the space chain entry for the space with the name NAME or
6179 NULL if no such space exists. */
6181 static sd_chain_struct
*
6182 is_defined_space (name
)
6185 sd_chain_struct
*chain_pointer
;
6187 for (chain_pointer
= space_dict_root
;
6189 chain_pointer
= chain_pointer
->sd_next
)
6191 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
6192 return chain_pointer
;
6195 /* No mapping from segment to space was found. Return NULL. */
6199 /* Find and return the space associated with the given seg. If no mapping
6200 from the given seg to a space is found, then return NULL.
6202 Unlike subspaces, the number of spaces is not expected to grow much,
6203 so a linear exhaustive search is OK here. */
6205 static sd_chain_struct
*
6206 pa_segment_to_space (seg
)
6209 sd_chain_struct
*space_chain
;
6211 /* Walk through each space looking for the correct mapping. */
6212 for (space_chain
= space_dict_root
;
6214 space_chain
= space_chain
->sd_next
)
6216 if (space_chain
->sd_seg
== seg
)
6220 /* Mapping was not found. Return NULL. */
6224 /* Return the space chain entry for the subspace with the name NAME or
6225 NULL if no such subspace exists.
6227 Uses a linear search through all the spaces and subspaces, this may
6228 not be appropriate if we ever being placing each function in its
6231 static ssd_chain_struct
*
6232 is_defined_subspace (name
)
6235 sd_chain_struct
*space_chain
;
6236 ssd_chain_struct
*subspace_chain
;
6238 /* Walk through each space. */
6239 for (space_chain
= space_dict_root
;
6241 space_chain
= space_chain
->sd_next
)
6243 /* Walk through each subspace looking for a name which matches. */
6244 for (subspace_chain
= space_chain
->sd_subspaces
;
6246 subspace_chain
= subspace_chain
->ssd_next
)
6247 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
6248 return subspace_chain
;
6251 /* Subspace wasn't found. Return NULL. */
6255 /* Find and return the subspace associated with the given seg. If no
6256 mapping from the given seg to a subspace is found, then return NULL.
6258 If we ever put each procedure/function within its own subspace
6259 (to make life easier on the compiler and linker), then this will have
6260 to become more efficient. */
6262 static ssd_chain_struct
*
6263 pa_subsegment_to_subspace (seg
, subseg
)
6267 sd_chain_struct
*space_chain
;
6268 ssd_chain_struct
*subspace_chain
;
6270 /* Walk through each space. */
6271 for (space_chain
= space_dict_root
;
6273 space_chain
= space_chain
->sd_next
)
6275 if (space_chain
->sd_seg
== seg
)
6277 /* Walk through each subspace within each space looking for
6278 the correct mapping. */
6279 for (subspace_chain
= space_chain
->sd_subspaces
;
6281 subspace_chain
= subspace_chain
->ssd_next
)
6282 if (subspace_chain
->ssd_subseg
== (int) subseg
)
6283 return subspace_chain
;
6287 /* No mapping from subsegment to subspace found. Return NULL. */
6291 /* Given a number, try and find a space with the name number.
6293 Return a pointer to a space dictionary chain entry for the space
6294 that was found or NULL on failure. */
6296 static sd_chain_struct
*
6297 pa_find_space_by_number (number
)
6300 sd_chain_struct
*space_chain
;
6302 for (space_chain
= space_dict_root
;
6304 space_chain
= space_chain
->sd_next
)
6306 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
6310 /* No appropriate space found. Return NULL. */
6314 /* Return the starting address for the given subspace. If the starting
6315 address is unknown then return zero. */
6318 pa_subspace_start (space
, quadrant
)
6319 sd_chain_struct
*space
;
6322 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
6323 is not correct for the PA OSF1 port. */
6324 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
6326 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
6333 /* FIXME. Needs documentation. */
6335 pa_next_subseg (space
)
6336 sd_chain_struct
*space
;
6339 space
->sd_last_subseg
++;
6340 return space
->sd_last_subseg
;
6344 /* Helper function for pa_stringer. Used to find the end of
6351 unsigned int c
= *s
& CHAR_MASK
;
6354 /* We must have a valid space and subspace. */
6355 pa_check_current_space_and_subspace ();
6369 /* Handle a .STRING type pseudo-op. */
6372 pa_stringer (append_zero
)
6375 char *s
, num_buf
[4];
6379 /* Preprocess the string to handle PA-specific escape sequences.
6380 For example, \xDD where DD is a hexidecimal number should be
6381 changed to \OOO where OOO is an octal number. */
6383 /* Skip the opening quote. */
6384 s
= input_line_pointer
+ 1;
6386 while (is_a_char (c
= pa_stringer_aux (s
++)))
6393 /* Handle \x<num>. */
6396 unsigned int number
;
6401 /* Get pas the 'x'. */
6403 for (num_digit
= 0, number
= 0, dg
= *s
;
6405 && (isdigit (dg
) || (dg
>= 'a' && dg
<= 'f')
6406 || (dg
>= 'A' && dg
<= 'F'));
6410 number
= number
* 16 + dg
- '0';
6411 else if (dg
>= 'a' && dg
<= 'f')
6412 number
= number
* 16 + dg
- 'a' + 10;
6414 number
= number
* 16 + dg
- 'A' + 10;
6424 sprintf (num_buf
, "%02o", number
);
6427 sprintf (num_buf
, "%03o", number
);
6430 for (i
= 0; i
<= num_digit
; i
++)
6431 s_start
[i
] = num_buf
[i
];
6435 /* This might be a "\"", skip over the escaped char. */
6442 stringer (append_zero
);
6443 pa_undefine_label ();
6446 /* Handle a .VERSION pseudo-op. */
6453 pa_undefine_label ();
6458 /* Handle a .COMPILER pseudo-op. */
6461 pa_compiler (unused
)
6464 obj_som_compiler (0);
6465 pa_undefine_label ();
6470 /* Handle a .COPYRIGHT pseudo-op. */
6473 pa_copyright (unused
)
6477 pa_undefine_label ();
6480 /* Just like a normal cons, but when finished we have to undefine
6481 the latest space label. */
6488 pa_undefine_label ();
6491 /* Switch to the data space. As usual delete our label. */
6498 current_space
= is_defined_space ("$PRIVATE$");
6500 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6503 pa_undefine_label ();
6506 /* Like float_cons, but we need to undefine our label. */
6509 pa_float_cons (float_type
)
6512 float_cons (float_type
);
6513 pa_undefine_label ();
6516 /* Like s_fill, but delete our label when finished. */
6523 /* We must have a valid space and subspace. */
6524 pa_check_current_space_and_subspace ();
6528 pa_undefine_label ();
6531 /* Like lcomm, but delete our label when finished. */
6534 pa_lcomm (needs_align
)
6538 /* We must have a valid space and subspace. */
6539 pa_check_current_space_and_subspace ();
6542 s_lcomm (needs_align
);
6543 pa_undefine_label ();
6546 /* Like lsym, but delete our label when finished. */
6553 /* We must have a valid space and subspace. */
6554 pa_check_current_space_and_subspace ();
6558 pa_undefine_label ();
6561 /* Switch to the text space. Like s_text, but delete our
6562 label when finished. */
6568 current_space
= is_defined_space ("$TEXT$");
6570 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6574 pa_undefine_label ();
6577 /* On the PA relocations which involve function symbols must not be
6578 adjusted. This so that the linker can know when/how to create argument
6579 relocation stubs for indirect calls and calls to static functions.
6581 "T" field selectors create DLT relative fixups for accessing
6582 globals and statics in PIC code; each DLT relative fixup creates
6583 an entry in the DLT table. The entries contain the address of
6584 the final target (eg accessing "foo" would create a DLT entry
6585 with the address of "foo").
6587 Unfortunately, the HP linker doesn't take into account any addend
6588 when generating the DLT; so accessing $LIT$+8 puts the address of
6589 $LIT$ into the DLT rather than the address of $LIT$+8.
6591 The end result is we can't perform relocation symbol reductions for
6592 any fixup which creates entries in the DLT (eg they use "T" field
6595 Reject reductions involving symbols with external scope; such
6596 reductions make life a living hell for object file editors.
6598 FIXME. Also reject R_HPPA relocations which are 32bits wide in
6599 the code space. The SOM BFD backend doesn't know how to pull the
6600 right bits out of an instruction. */
6603 hppa_fix_adjustable (fixp
)
6606 struct hppa_fix_struct
*hppa_fix
;
6608 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
6611 /* Reject reductions of symbols in 32bit relocs. */
6612 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
6615 /* Reject reductions of symbols in sym1-sym2 expressions when
6616 the fixup will occur in a CODE subspace.
6618 XXX FIXME: Long term we probably want to reject all of these;
6619 for example reducing in the debug section would lose if we ever
6620 supported using the optimizing hp linker. */
6623 && (hppa_fix
->segment
->flags
& SEC_CODE
))
6625 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
6626 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
6630 /* We can't adjust any relocs that use LR% and RR% field selectors.
6631 That confuses the HP linker. */
6632 if (hppa_fix
->fx_r_field
== e_lrsel
6633 || hppa_fix
->fx_r_field
== e_rrsel
6634 || hppa_fix
->fx_r_field
== e_nlrsel
)
6638 /* Reject reductions of symbols in DLT relative relocs,
6639 relocations with plabels. */
6640 if (hppa_fix
->fx_r_field
== e_tsel
6641 || hppa_fix
->fx_r_field
== e_ltsel
6642 || hppa_fix
->fx_r_field
== e_rtsel
6643 || hppa_fix
->fx_r_field
== e_psel
6644 || hppa_fix
->fx_r_field
== e_rpsel
6645 || hppa_fix
->fx_r_field
== e_lpsel
)
6648 if (fixp
->fx_addsy
&& S_IS_EXTERNAL (fixp
->fx_addsy
))
6651 /* Reject absolute calls (jumps). */
6652 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
6655 /* Reject reductions of function symbols. */
6656 if (fixp
->fx_addsy
== 0 || ! S_IS_FUNCTION (fixp
->fx_addsy
))
6662 /* Return nonzero if the fixup in FIXP will require a relocation,
6663 even it if appears that the fixup could be completely handled
6667 hppa_force_relocation (fixp
)
6670 struct hppa_fix_struct
*hppa_fixp
;
6673 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
6675 if (fixp
->fx_r_type
== R_HPPA_ENTRY
|| fixp
->fx_r_type
== R_HPPA_EXIT
6676 || fixp
->fx_r_type
== R_HPPA_BEGIN_BRTAB
6677 || fixp
->fx_r_type
== R_HPPA_END_BRTAB
6678 || fixp
->fx_r_type
== R_HPPA_BEGIN_TRY
6679 || fixp
->fx_r_type
== R_HPPA_END_TRY
6680 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
6681 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
6685 #define arg_reloc_stub_needed(CALLER, CALLEE) \
6686 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
6689 /* It is necessary to force PC-relative calls/jumps to have a relocation
6690 entry if they're going to need either a argument relocation or long
6691 call stub. FIXME. Can't we need the same for absolute calls? */
6692 if (fixp
->fx_pcrel
&& fixp
->fx_addsy
6693 && (arg_reloc_stub_needed ((long) ((obj_symbol_type
*)
6694 symbol_get_bfdsym (fixp
->fx_addsy
))->tc_data
.ap
.hppa_arg_reloc
,
6695 hppa_fixp
->fx_arg_reloc
)))
6698 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
6699 - md_pcrel_from (fixp
));
6700 /* Now check and see if we're going to need a long-branch stub. */
6701 if (fixp
->fx_r_type
== R_HPPA_PCREL_CALL
6702 && (distance
> 262143 || distance
< -262144))
6705 if (fixp
->fx_r_type
== R_HPPA_ABS_CALL
)
6707 #undef arg_reloc_stub_needed
6709 /* No need (yet) to force another relocations to be emitted. */
6713 /* Now for some ELF specific code. FIXME. */
6715 /* Mark the end of a function so that it's possible to compute
6716 the size of the function in hppa_elf_final_processing. */
6719 hppa_elf_mark_end_of_function ()
6721 /* ELF does not have EXIT relocations. All we do is create a
6722 temporary symbol marking the end of the function. */
6723 char *name
= (char *)
6724 xmalloc (strlen ("L$\001end_") +
6725 strlen (S_GET_NAME (last_call_info
->start_symbol
)) + 1);
6731 strcpy (name
, "L$\001end_");
6732 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6734 /* If we have a .exit followed by a .procend, then the
6735 symbol will have already been defined. */
6736 symbolP
= symbol_find (name
);
6739 /* The symbol has already been defined! This can
6740 happen if we have a .exit followed by a .procend.
6742 This is *not* an error. All we want to do is free
6743 the memory we just allocated for the name and continue. */
6748 /* symbol value should be the offset of the
6749 last instruction of the function */
6750 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6754 S_CLEAR_EXTERNAL (symbolP
);
6755 symbol_table_insert (symbolP
);
6759 last_call_info
->end_symbol
= symbolP
;
6761 as_bad (_("Symbol '%s' could not be created."), name
);
6765 as_bad (_("No memory for symbol name."));
6769 /* For ELF, this function serves one purpose: to setup the st_size
6770 field of STT_FUNC symbols. To do this, we need to scan the
6771 call_info structure list, determining st_size in by taking the
6772 difference in the address of the beginning/end marker symbols. */
6775 elf_hppa_final_processing ()
6777 struct call_info
*call_info_pointer
;
6779 for (call_info_pointer
= call_info_root
;
6781 call_info_pointer
= call_info_pointer
->ci_next
)
6783 elf_symbol_type
*esym
6784 = ((elf_symbol_type
*)
6785 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
6786 esym
->internal_elf_sym
.st_size
=
6787 S_GET_VALUE (call_info_pointer
->end_symbol
)
6788 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;