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'},
622 {"dword", pa_cons
, 8},
624 {"end_brtab", pa_brtab
, 0},
625 {"end_try", pa_try
, 0},
626 {"enter", pa_enter
, 0},
627 {"entry", pa_entry
, 0},
629 {"exit", pa_exit
, 0},
630 {"export", pa_export
, 0},
631 {"fill", pa_fill
, 0},
632 {"float", pa_float_cons
, 'f'},
633 {"half", pa_cons
, 2},
634 {"import", pa_import
, 0},
636 {"label", pa_label
, 0},
637 {"lcomm", pa_lcomm
, 0},
638 {"leave", pa_leave
, 0},
639 {"level", pa_level
, 0},
640 {"long", pa_cons
, 4},
641 {"lsym", pa_lsym
, 0},
643 {"nsubspa", pa_subspace
, 1},
645 {"octa", pa_cons
, 16},
646 {"org", pa_origin
, 0},
647 {"origin", pa_origin
, 0},
648 {"param", pa_param
, 0},
649 {"proc", pa_proc
, 0},
650 {"procend", pa_procend
, 0},
651 {"quad", pa_cons
, 8},
653 {"short", pa_cons
, 2},
654 {"single", pa_float_cons
, 'f'},
656 {"space", pa_space
, 0},
657 {"spnum", pa_spnum
, 0},
659 {"string", pa_stringer
, 0},
660 {"stringz", pa_stringer
, 1},
662 {"subspa", pa_subspace
, 0},
664 {"text", pa_text
, 0},
665 {"version", pa_version
, 0},
666 {"word", pa_cons
, 4},
670 /* This array holds the chars that only start a comment at the beginning of
671 a line. If the line seems to have the form '# 123 filename'
672 .line and .file directives will appear in the pre-processed output.
674 Note that input_file.c hand checks for '#' at the beginning of the
675 first line of the input file. This is because the compiler outputs
676 #NO_APP at the beginning of its output.
678 Also note that C style comments will always work. */
679 const char line_comment_chars
[] = "#";
681 /* This array holds the characters which act as line separators. */
682 const char line_separator_chars
[] = "!";
684 /* Chars that can be used to separate mant from exp in floating point nums. */
685 const char EXP_CHARS
[] = "eE";
687 /* Chars that mean this number is a floating point constant.
688 As in 0f12.456 or 0d1.2345e12.
690 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
691 changed in read.c. Ideally it shouldn't hae to know abou it at
692 all, but nothing is ideal around here. */
693 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
695 static struct pa_it the_insn
;
697 /* Points to the end of an expression just parsed by get_expressoin
698 and friends. FIXME. This shouldn't be handled with a file-global
700 static char *expr_end
;
702 /* Nonzero if a .callinfo appeared within the current procedure. */
703 static int callinfo_found
;
705 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
706 static int within_entry_exit
;
708 /* Nonzero if the assembler is currently within a procedure definition. */
709 static int within_procedure
;
711 /* Handle on strucutre which keep track of the last symbol
712 seen in each subspace. */
713 static label_symbol_struct
*label_symbols_rootp
= NULL
;
715 /* Holds the last field selector. */
716 static int hppa_field_selector
;
719 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
720 static symbolS
*dummy_symbol
;
723 /* Nonzero if errors are to be printed. */
724 static int print_errors
= 1;
726 /* List of registers that are pre-defined:
728 Each general register has one predefined name of the form
729 %r<REGNUM> which has the value <REGNUM>.
731 Space and control registers are handled in a similar manner,
732 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
734 Likewise for the floating point registers, but of the form
735 %fr<REGNUM>. Floating point registers have additional predefined
736 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
737 again have the value <REGNUM>.
739 Many registers also have synonyms:
741 %r26 - %r23 have %arg0 - %arg3 as synonyms
742 %r28 - %r29 have %ret0 - %ret1 as synonyms
743 %r30 has %sp as a synonym
744 %r27 has %dp as a synonym
745 %r2 has %rp as a synonym
747 Almost every control register has a synonym; they are not listed
750 The table is sorted. Suitable for searching by a binary search. */
752 static const struct pd_reg pre_defined_registers
[] =
952 /* This table is sorted by order of the length of the string. This is
953 so we check for <> before we check for <. If we had a <> and checked
954 for < first, we would get a false match. */
955 static const struct fp_cond_map fp_cond_map
[] =
991 static const struct selector_entry selector_table
[] =
1016 /* default space and subspace dictionaries */
1018 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1019 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1021 /* pre-defined subsegments (subspaces) for the HPPA. */
1022 #define SUBSEG_CODE 0
1023 #define SUBSEG_LIT 1
1024 #define SUBSEG_MILLI 2
1025 #define SUBSEG_DATA 0
1026 #define SUBSEG_BSS 2
1027 #define SUBSEG_UNWIND 3
1028 #define SUBSEG_GDB_STRINGS 0
1029 #define SUBSEG_GDB_SYMBOLS 1
1031 static struct default_subspace_dict pa_def_subspaces
[] =
1033 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1034 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1035 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1036 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1037 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1038 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1041 static struct default_space_dict pa_def_spaces
[] =
1043 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1044 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1045 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1048 /* Misc local definitions used by the assembler. */
1050 /* These macros are used to maintain spaces/subspaces. */
1051 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1052 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1053 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1054 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1056 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1057 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1060 /* Return nonzero if the string pointed to by S potentially represents
1061 a right or left half of a FP register */
1062 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1063 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1065 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1066 main loop after insertion. */
1068 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1070 ((OPCODE) |= (FIELD) << (START)); \
1074 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1075 IGNORE is used to suppress the error message. */
1077 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1079 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1082 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1088 #define is_DP_relative(exp) \
1089 ((exp).X_op == O_subtract \
1090 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1092 #define is_PC_relative(exp) \
1093 ((exp).X_op == O_subtract \
1094 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1096 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1097 always be able to reduce the expression to a constant, so we don't
1098 need real complex handling yet. */
1099 #define is_complex(exp) \
1100 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1102 /* Actual functions to implement the PA specific code for the assembler. */
1104 /* Called before writing the object file. Make sure entry/exit and
1105 proc/procend pairs match. */
1110 if (within_entry_exit
)
1111 as_fatal (_("Missing .exit\n"));
1113 if (within_procedure
)
1114 as_fatal (_("Missing .procend\n"));
1117 /* Returns a pointer to the label_symbol_struct for the current space.
1118 or NULL if no label_symbol_struct exists for the current space. */
1120 static label_symbol_struct
*
1123 label_symbol_struct
*label_chain
;
1125 for (label_chain
= label_symbols_rootp
;
1127 label_chain
= label_chain
->lss_next
)
1130 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1134 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1142 /* Defines a label for the current space. If one is already defined,
1143 this function will replace it with the new label. */
1146 pa_define_label (symbol
)
1149 label_symbol_struct
*label_chain
= pa_get_label ();
1152 label_chain
->lss_label
= symbol
;
1155 /* Create a new label entry and add it to the head of the chain. */
1157 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1158 label_chain
->lss_label
= symbol
;
1160 label_chain
->lss_space
= current_space
;
1163 label_chain
->lss_segment
= now_seg
;
1165 label_chain
->lss_next
= NULL
;
1167 if (label_symbols_rootp
)
1168 label_chain
->lss_next
= label_symbols_rootp
;
1170 label_symbols_rootp
= label_chain
;
1174 /* Removes a label definition for the current space.
1175 If there is no label_symbol_struct entry, then no action is taken. */
1178 pa_undefine_label ()
1180 label_symbol_struct
*label_chain
;
1181 label_symbol_struct
*prev_label_chain
= NULL
;
1183 for (label_chain
= label_symbols_rootp
;
1185 label_chain
= label_chain
->lss_next
)
1189 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1192 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1196 /* Remove the label from the chain and free its memory. */
1197 if (prev_label_chain
)
1198 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1200 label_symbols_rootp
= label_chain
->lss_next
;
1205 prev_label_chain
= label_chain
;
1210 /* An HPPA-specific version of fix_new. This is required because the HPPA
1211 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1212 results in the creation of an instance of an hppa_fix_struct. An
1213 hppa_fix_struct stores the extra information along with a pointer to the
1214 original fixS. This is attached to the original fixup via the
1215 tc_fix_data field. */
1218 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1219 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1223 symbolS
*add_symbol
;
1227 bfd_reloc_code_real_type r_type
;
1228 enum hppa_reloc_field_selector_type_alt r_field
;
1235 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1236 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1239 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1241 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1242 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1243 hppa_fix
->fx_r_type
= r_type
;
1244 hppa_fix
->fx_r_field
= r_field
;
1245 hppa_fix
->fx_r_format
= r_format
;
1246 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1247 hppa_fix
->segment
= now_seg
;
1249 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1250 new_fix
->fx_offset
= *unwind_bits
;
1253 /* foo-$global$ is used to access non-automatic storage. $global$
1254 is really just a marker and has served its purpose, so eliminate
1255 it now so as not to confuse write.c. */
1256 if (new_fix
->fx_subsy
1257 && !strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$"))
1258 new_fix
->fx_subsy
= NULL
;
1261 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1262 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1265 parse_cons_expression_hppa (exp
)
1268 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1272 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1273 hppa_field_selector is set by the parse_cons_expression_hppa. */
1276 cons_fix_new_hppa (frag
, where
, size
, exp
)
1282 unsigned int rel_type
;
1284 /* Get a base relocation type. */
1285 if (is_DP_relative (*exp
))
1286 rel_type
= R_HPPA_GOTOFF
;
1287 else if (is_complex (*exp
))
1288 rel_type
= R_HPPA_COMPLEX
;
1292 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1293 as_warn (_("Invalid field selector. Assuming F%%."));
1295 fix_new_hppa (frag
, where
, size
,
1296 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1297 hppa_field_selector
, size
* 8, 0, NULL
);
1299 /* Reset field selector to its default state. */
1300 hppa_field_selector
= 0;
1303 /* This function is called once, at assembler startup time. It should
1304 set up all the tables, etc. that the MD part of the assembler will need. */
1309 const char *retval
= NULL
;
1313 last_call_info
= NULL
;
1314 call_info_root
= NULL
;
1316 /* Set the default machine type. */
1317 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
1318 as_warn (_("could not set architecture and machine"));
1320 /* Folding of text and data segments fails miserably on the PA.
1321 Warn user and disable "-R" option. */
1322 if (flag_readonly_data_in_text
)
1324 as_warn (_("-R option not supported on this target."));
1325 flag_readonly_data_in_text
= 0;
1332 op_hash
= hash_new ();
1334 while (i
< NUMOPCODES
)
1336 const char *name
= pa_opcodes
[i
].name
;
1337 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1338 if (retval
!= NULL
&& *retval
!= '\0')
1340 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1345 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1346 != pa_opcodes
[i
].match
)
1348 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1349 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1354 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1358 as_fatal (_("Broken assembler. No assembly attempted."));
1361 /* SOM will change text_section. To make sure we never put
1362 anything into the old one switch to the new one now. */
1363 subseg_set (text_section
, 0);
1367 dummy_symbol
= symbol_find_or_make ("L$dummy");
1368 S_SET_SEGMENT (dummy_symbol
, text_section
);
1369 /* Force the symbol to be converted to a real symbol. */
1370 (void) symbol_get_bfdsym (dummy_symbol
);
1374 /* Assemble a single instruction storing it into a frag. */
1381 /* The had better be something to assemble. */
1384 /* If we are within a procedure definition, make sure we've
1385 defined a label for the procedure; handle case where the
1386 label was defined after the .PROC directive.
1388 Note there's not need to diddle with the segment or fragment
1389 for the label symbol in this case. We have already switched
1390 into the new $CODE$ subspace at this point. */
1391 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1393 label_symbol_struct
*label_symbol
= pa_get_label ();
1397 if (label_symbol
->lss_label
)
1399 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1400 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1403 /* Also handle allocation of a fixup to hold the unwind
1404 information when the label appears after the proc/procend. */
1405 if (within_entry_exit
)
1407 char *where
= frag_more (0);
1409 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1410 NULL
, (offsetT
) 0, NULL
,
1411 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
1412 (int *)&last_call_info
->ci_unwind
.descriptor
);
1417 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1420 as_bad (_("Missing function name for .PROC"));
1423 /* Assemble the instruction. Results are saved into "the_insn". */
1426 /* Get somewhere to put the assembled instrution. */
1429 /* Output the opcode. */
1430 md_number_to_chars (to
, the_insn
.opcode
, 4);
1432 /* If necessary output more stuff. */
1433 if (the_insn
.reloc
!= R_HPPA_NONE
)
1434 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1435 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1436 the_insn
.reloc
, the_insn
.field_selector
,
1437 the_insn
.format
, the_insn
.arg_reloc
, NULL
);
1440 /* Do the real work for assembling a single instruction. Store results
1441 into the global "the_insn" variable. */
1447 char *error_message
= "";
1448 char *s
, c
, *argstart
, *name
, *save_s
;
1452 int cmpltr
, nullif
, flag
, cond
, num
;
1453 unsigned long opcode
;
1454 struct pa_opcode
*insn
;
1457 /* We must have a valid space and subspace. */
1458 pa_check_current_space_and_subspace ();
1461 /* Convert everything up to the first whitespace character into lower
1463 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1467 /* Skip to something interesting. */
1468 for (s
= str
; isupper (*s
) || islower (*s
) || (*s
>= '0' && *s
<= '3'); ++s
)
1487 as_fatal (_("Unknown opcode: `%s'"), str
);
1492 /* Look up the opcode in the has table. */
1493 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1495 as_bad ("Unknown opcode: `%s'", str
);
1504 /* Mark the location where arguments for the instruction start, then
1505 start processing them. */
1509 /* Do some initialization. */
1510 opcode
= insn
->match
;
1511 memset (&the_insn
, 0, sizeof (the_insn
));
1513 the_insn
.reloc
= R_HPPA_NONE
;
1515 /* If this instruction is specific to a particular architecture,
1516 then set a new architecture. */
1517 /* But do not automatically promote to pa2.0. The automatic promotion
1518 crud is for compatability with HP's old assemblers only. */
1520 && bfd_get_mach (stdoutput
) < insn
->arch
)
1522 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1523 as_warn (_("could not update architecture and machine"));
1525 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1531 /* Build the opcode, checking as we go to make
1532 sure that the operands match. */
1533 for (args
= insn
->args
;; ++args
)
1538 /* End of arguments. */
1554 /* These must match exactly. */
1563 /* Handle a 5 bit register or control register field at 10. */
1566 num
= pa_parse_number (&s
, 0);
1567 CHECK_FIELD (num
, 31, 0, 0);
1568 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1570 /* Handle a 5 bit register field at 15. */
1572 num
= pa_parse_number (&s
, 0);
1573 CHECK_FIELD (num
, 31, 0, 0);
1574 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1576 /* Handle a 5 bit register field at 31. */
1579 num
= pa_parse_number (&s
, 0);
1580 CHECK_FIELD (num
, 31, 0, 0);
1581 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1583 /* Handle a 5 bit field length at 31. */
1585 num
= pa_get_absolute_expression (&the_insn
, &s
);
1587 CHECK_FIELD (num
, 32, 1, 0);
1588 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1590 /* Handle a 5 bit immediate at 15. */
1592 num
= pa_get_absolute_expression (&the_insn
, &s
);
1594 CHECK_FIELD (num
, 15, -16, 0);
1595 low_sign_unext (num
, 5, &num
);
1596 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1598 /* Handle a 5 bit immediate at 31. */
1600 num
= pa_get_absolute_expression (&the_insn
, &s
);
1602 CHECK_FIELD (num
, 15, -16, 0)
1603 low_sign_unext (num
, 5, &num
);
1604 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1606 /* Handle an unsigned 5 bit immediate at 31. */
1608 num
= pa_get_absolute_expression (&the_insn
, &s
);
1610 CHECK_FIELD (num
, 31, 0, 0);
1611 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1613 /* Handle an unsigned 5 bit immediate at 15. */
1615 num
= pa_get_absolute_expression (&the_insn
, &s
);
1617 CHECK_FIELD (num
, 31, 0, 0);
1618 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1620 /* Handle a 2 bit space identifier at 17. */
1622 num
= pa_parse_number (&s
, 0);
1623 CHECK_FIELD (num
, 3, 0, 1);
1624 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1626 /* Handle a 3 bit space identifier at 18. */
1628 num
= pa_parse_number (&s
, 0);
1629 CHECK_FIELD (num
, 7, 0, 1);
1630 dis_assemble_3 (num
, &num
);
1631 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
1633 /* Handle a completer for an indexing load or store. */
1639 while (*s
== ',' && i
< 2)
1642 if (strncasecmp (s
, "sm", 2) == 0)
1649 else if (strncasecmp (s
, "m", 1) == 0)
1651 else if (strncasecmp (s
, "s", 1) == 0)
1654 as_bad (_("Invalid Indexed Load Completer."));
1659 as_bad (_("Invalid Indexed Load Completer Syntax."));
1661 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1664 /* Handle a short load/store completer. */
1672 if (strncasecmp (s
, "ma", 2) == 0)
1677 else if (strncasecmp (s
, "mb", 2) == 0)
1683 as_bad (_("Invalid Short Load/Store Completer."));
1690 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1694 /* Handle a stbys completer. */
1700 while (*s
== ',' && i
< 2)
1703 if (strncasecmp (s
, "m", 1) == 0)
1705 else if (strncasecmp (s
, "b", 1) == 0)
1707 else if (strncasecmp (s
, "e", 1) == 0)
1710 as_bad (_("Invalid Store Bytes Short Completer"));
1715 as_bad (_("Invalid Store Bytes Short Completer"));
1717 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1720 /* Handle all conditions. */
1726 /* Handle FP compare conditions. */
1728 cond
= pa_parse_fp_cmp_cond (&s
);
1729 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
1731 /* Handle an add condition. */
1739 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
1743 if (strcmp (name
, "=") == 0)
1745 else if (strcmp (name
, "<") == 0)
1747 else if (strcmp (name
, "<=") == 0)
1749 else if (strcasecmp (name
, "nuv") == 0)
1751 else if (strcasecmp (name
, "znv") == 0)
1753 else if (strcasecmp (name
, "sv") == 0)
1755 else if (strcasecmp (name
, "od") == 0)
1757 else if (strcasecmp (name
, "tr") == 0)
1762 else if (strcmp (name
, "<>") == 0)
1767 else if (strcmp (name
, ">=") == 0)
1772 else if (strcmp (name
, ">") == 0)
1777 else if (strcasecmp (name
, "uv") == 0)
1782 else if (strcasecmp (name
, "vnz") == 0)
1787 else if (strcasecmp (name
, "nsv") == 0)
1792 else if (strcasecmp (name
, "ev") == 0)
1798 as_bad (_("Invalid Add Condition: %s"), name
);
1801 opcode
|= cmpltr
<< 13;
1802 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
1804 /* Handle non-negated add and branch condition. */
1806 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
1809 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
1812 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1814 /* Handle a negated or non-negated add and branch
1818 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
1822 cmpltr
= pa_parse_neg_add_cmpltr (&s
, 1);
1825 as_bad (_("Invalid Compare/Subtract Condition"));
1830 /* Negated condition requires an opcode change. */
1834 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1836 /* Handle branch on bit conditions. */
1842 if (strncmp (s
, "<", 1) == 0)
1847 else if (strncmp (s
, ">=", 2) == 0)
1853 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
1855 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
1857 /* Handle a compare/subtract condition. */
1865 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
1869 if (strcmp (name
, "=") == 0)
1871 else if (strcmp (name
, "<") == 0)
1873 else if (strcmp (name
, "<=") == 0)
1875 else if (strcasecmp (name
, "<<") == 0)
1877 else if (strcasecmp (name
, "<<=") == 0)
1879 else if (strcasecmp (name
, "sv") == 0)
1881 else if (strcasecmp (name
, "od") == 0)
1883 else if (strcasecmp (name
, "tr") == 0)
1888 else if (strcmp (name
, "<>") == 0)
1893 else if (strcmp (name
, ">=") == 0)
1898 else if (strcmp (name
, ">") == 0)
1903 else if (strcasecmp (name
, ">>=") == 0)
1908 else if (strcasecmp (name
, ">>") == 0)
1913 else if (strcasecmp (name
, "nsv") == 0)
1918 else if (strcasecmp (name
, "ev") == 0)
1924 as_bad (_("Invalid Compare/Subtract Condition: %s"),
1928 opcode
|= cmpltr
<< 13;
1929 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
1931 /* Handle a non-negated compare condition. */
1933 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
1936 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
1939 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1941 /* Handle a negated or non-negated compare/subtract
1945 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
1949 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
, 1);
1952 as_bad (_("Invalid Compare/Subtract Condition."));
1957 /* Negated condition requires an opcode change. */
1962 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
1964 /* Handle a logical instruction condition. */
1972 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
1978 if (strcmp (name
, "=") == 0)
1980 else if (strcmp (name
, "<") == 0)
1982 else if (strcmp (name
, "<=") == 0)
1984 else if (strcasecmp (name
, "od") == 0)
1986 else if (strcasecmp (name
, "tr") == 0)
1991 else if (strcmp (name
, "<>") == 0)
1996 else if (strcmp (name
, ">=") == 0)
2001 else if (strcmp (name
, ">") == 0)
2006 else if (strcasecmp (name
, "ev") == 0)
2012 as_bad (_("Invalid Logical Instruction Condition."));
2015 opcode
|= cmpltr
<< 13;
2016 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2018 /* Handle a shift/extract/deposit condition. */
2027 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2031 if (strcmp (name
, "=") == 0)
2033 else if (strcmp (name
, "<") == 0)
2035 else if (strcasecmp (name
, "od") == 0)
2037 else if (strcasecmp (name
, "tr") == 0)
2039 else if (strcmp (name
, "<>") == 0)
2041 else if (strcmp (name
, ">=") == 0)
2043 else if (strcasecmp (name
, "ev") == 0)
2045 /* Handle movb,n. Put things back the way they were.
2046 This includes moving s back to where it started. */
2047 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2054 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2057 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2059 /* Handle a unit instruction condition. */
2060 case 'u': /* unit */
2067 if (strncasecmp (s
, "sbz", 3) == 0)
2072 else if (strncasecmp (s
, "shz", 3) == 0)
2077 else if (strncasecmp (s
, "sdc", 3) == 0)
2082 else if (strncasecmp (s
, "sbc", 3) == 0)
2087 else if (strncasecmp (s
, "shc", 3) == 0)
2092 else if (strncasecmp (s
, "tr", 2) == 0)
2098 else if (strncasecmp (s
, "nbz", 3) == 0)
2104 else if (strncasecmp (s
, "nhz", 3) == 0)
2110 else if (strncasecmp (s
, "ndc", 3) == 0)
2116 else if (strncasecmp (s
, "nbc", 3) == 0)
2122 else if (strncasecmp (s
, "nhc", 3) == 0)
2129 as_bad (_("Invalid Unit Instruction Condition."));
2131 opcode
|= cmpltr
<< 13;
2132 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2139 /* Handle a system control completer. */
2141 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2149 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2151 /* Handle a nullification completer for branch instructions. */
2153 nullif
= pa_parse_nullif (&s
);
2154 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2156 /* Handle a nullification completer for copr and spop insns. */
2158 nullif
= pa_parse_nullif (&s
);
2159 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2162 /* Handle a 11 bit immediate at 31. */
2164 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2167 if (the_insn
.exp
.X_op
== O_constant
)
2169 num
= evaluate_absolute (&the_insn
);
2170 CHECK_FIELD (num
, 1023, -1024, 0);
2171 low_sign_unext (num
, 11, &num
);
2172 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2176 if (is_DP_relative (the_insn
.exp
))
2177 the_insn
.reloc
= R_HPPA_GOTOFF
;
2178 else if (is_PC_relative (the_insn
.exp
))
2179 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2181 the_insn
.reloc
= R_HPPA
;
2182 the_insn
.format
= 11;
2187 /* Handle a 14 bit immediate at 31. */
2189 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2192 if (the_insn
.exp
.X_op
== O_constant
)
2194 num
= evaluate_absolute (&the_insn
);
2195 CHECK_FIELD (num
, 8191, -8192, 0);
2196 low_sign_unext (num
, 14, &num
);
2197 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2201 if (is_DP_relative (the_insn
.exp
))
2202 the_insn
.reloc
= R_HPPA_GOTOFF
;
2203 else if (is_PC_relative (the_insn
.exp
))
2204 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2206 the_insn
.reloc
= R_HPPA
;
2207 the_insn
.format
= 14;
2211 /* Handle a 21 bit immediate at 31. */
2213 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2216 if (the_insn
.exp
.X_op
== O_constant
)
2218 num
= evaluate_absolute (&the_insn
);
2219 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
2220 dis_assemble_21 (num
, &num
);
2221 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2225 if (is_DP_relative (the_insn
.exp
))
2226 the_insn
.reloc
= R_HPPA_GOTOFF
;
2227 else if (is_PC_relative (the_insn
.exp
))
2228 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2230 the_insn
.reloc
= R_HPPA
;
2231 the_insn
.format
= 21;
2235 /* Handle a 12 bit branch displacement. */
2237 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2241 if (!strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
), "L$0\001"))
2243 unsigned int w1
, w
, result
;
2245 num
= evaluate_absolute (&the_insn
);
2248 as_bad (_("Branch to unaligned address"));
2251 CHECK_FIELD (num
, 8199, -8184, 0);
2252 sign_unext ((num
- 8) >> 2, 12, &result
);
2253 dis_assemble_12 (result
, &w1
, &w
);
2254 INSERT_FIELD_AND_CONTINUE (opcode
, ((w1
<< 2) | w
), 0);
2258 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2259 the_insn
.format
= 12;
2260 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
2261 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
2266 /* Handle a 17 bit branch displacement. */
2268 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2272 if (!the_insn
.exp
.X_add_symbol
2273 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
2276 unsigned int w2
, w1
, w
, result
;
2278 num
= evaluate_absolute (&the_insn
);
2281 as_bad (_("Branch to unaligned address"));
2284 CHECK_FIELD (num
, 262143, -262144, 0);
2286 if (the_insn
.exp
.X_add_symbol
)
2289 sign_unext (num
>> 2, 17, &result
);
2290 dis_assemble_17 (result
, &w1
, &w2
, &w
);
2291 INSERT_FIELD_AND_CONTINUE (opcode
,
2292 ((w2
<< 2) | (w1
<< 16) | w
), 0);
2296 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2297 the_insn
.format
= 17;
2298 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
2299 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
2303 /* Handle an absolute 17 bit branch target. */
2305 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2309 if (!the_insn
.exp
.X_add_symbol
2310 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
2313 unsigned int w2
, w1
, w
, result
;
2315 num
= evaluate_absolute (&the_insn
);
2318 as_bad (_("Branch to unaligned address"));
2321 CHECK_FIELD (num
, 262143, -262144, 0);
2323 if (the_insn
.exp
.X_add_symbol
)
2326 sign_unext (num
>> 2, 17, &result
);
2327 dis_assemble_17 (result
, &w1
, &w2
, &w
);
2328 INSERT_FIELD_AND_CONTINUE (opcode
,
2329 ((w2
<< 2) | (w1
<< 16) | w
), 0);
2333 the_insn
.reloc
= R_HPPA_ABS_CALL
;
2334 the_insn
.format
= 17;
2335 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
2336 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
2340 /* Handle a 5 bit shift count at 26. */
2342 num
= pa_get_absolute_expression (&the_insn
, &s
);
2344 CHECK_FIELD (num
, 31, 0, 0);
2345 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
2347 /* Handle a 5 bit bit position at 26. */
2349 num
= pa_get_absolute_expression (&the_insn
, &s
);
2351 CHECK_FIELD (num
, 31, 0, 0);
2352 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
2354 /* Handle a 5 bit immediate at 10. */
2357 num
= pa_get_absolute_expression (&the_insn
, &s
);
2358 if (the_insn
.exp
.X_op
!= O_constant
)
2361 CHECK_FIELD (num
, 31, 0, 0);
2362 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
2364 /* Handle a 13 bit immediate at 18. */
2366 num
= pa_get_absolute_expression (&the_insn
, &s
);
2368 CHECK_FIELD (num
, 8191, 0, 0);
2369 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2371 /* Handle a 26 bit immediate at 31. */
2373 num
= pa_get_absolute_expression (&the_insn
, &s
);
2375 CHECK_FIELD (num
, 671108864, 0, 0);
2376 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2378 /* Handle a 3 bit SFU identifier at 25. */
2381 as_bad (_("Invalid SFU identifier"));
2382 num
= pa_get_absolute_expression (&the_insn
, &s
);
2384 CHECK_FIELD (num
, 7, 0, 0);
2385 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
2387 /* Handle a 20 bit SOP field for spop0. */
2389 num
= pa_get_absolute_expression (&the_insn
, &s
);
2391 CHECK_FIELD (num
, 1048575, 0, 0);
2392 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
2393 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2395 /* Handle a 15bit SOP field for spop1. */
2397 num
= pa_get_absolute_expression (&the_insn
, &s
);
2399 CHECK_FIELD (num
, 32767, 0, 0);
2400 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
2402 /* Handle a 10bit SOP field for spop3. */
2404 num
= pa_get_absolute_expression (&the_insn
, &s
);
2406 CHECK_FIELD (num
, 1023, 0, 0);
2407 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
2408 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2410 /* Handle a 15 bit SOP field for spop2. */
2412 num
= pa_get_absolute_expression (&the_insn
, &s
);
2414 CHECK_FIELD (num
, 32767, 0, 0);
2415 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
2416 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2418 /* Handle a 3-bit co-processor ID field. */
2421 as_bad (_("Invalid COPR identifier"));
2422 num
= pa_get_absolute_expression (&the_insn
, &s
);
2424 CHECK_FIELD (num
, 7, 0, 0);
2425 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
2427 /* Handle a 22bit SOP field for copr. */
2429 num
= pa_get_absolute_expression (&the_insn
, &s
);
2431 CHECK_FIELD (num
, 4194303, 0, 0);
2432 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
2433 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2436 /* Handle a source FP operand format completer. */
2438 flag
= pa_parse_fp_format (&s
);
2439 the_insn
.fpof1
= flag
;
2440 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2442 /* Handle a destination FP operand format completer. */
2444 /* pa_parse_format needs the ',' prefix. */
2446 flag
= pa_parse_fp_format (&s
);
2447 the_insn
.fpof2
= flag
;
2448 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
2450 /* Handle L/R register halves like 't'. */
2453 struct pa_11_fp_reg_struct result
;
2455 pa_parse_number (&s
, &result
);
2456 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2457 opcode
|= result
.number_part
;
2459 /* 0x30 opcodes are FP arithmetic operation opcodes
2460 and need to be turned into 0x38 opcodes. This
2461 is not necessary for loads/stores. */
2462 if (need_pa11_opcode (&the_insn
, &result
)
2463 && ((opcode
& 0xfc000000) == 0x30000000))
2466 INSERT_FIELD_AND_CONTINUE (opcode
, result
.l_r_select
& 1, 6);
2469 /* Handle L/R register halves like 'b'. */
2472 struct pa_11_fp_reg_struct result
;
2474 pa_parse_number (&s
, &result
);
2475 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2476 opcode
|= result
.number_part
<< 21;
2477 if (need_pa11_opcode (&the_insn
, &result
))
2479 opcode
|= (result
.l_r_select
& 1) << 7;
2485 /* Float operand 1 similar to 'b' but with l/r registers. */
2488 struct pa_11_fp_reg_struct result
;
2490 pa_parse_number (&s
, &result
);
2491 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2492 opcode
|= result
.number_part
<< 21;
2493 opcode
|= (result
.l_r_select
& 1) << 7;
2497 /* Handle L/R register halves like 'b'. */
2500 struct pa_11_fp_reg_struct result
;
2503 pa_parse_number (&s
, &result
);
2504 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2505 opcode
|= (result
.number_part
& 0x1c) << 11;
2506 opcode
|= (result
.number_part
& 0x3) << 9;
2507 opcode
|= (result
.l_r_select
& 1) << 8;
2511 /* Handle L/R register halves like 'x'. */
2514 struct pa_11_fp_reg_struct result
;
2516 pa_parse_number (&s
, &result
);
2517 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2518 opcode
|= (result
.number_part
& 0x1f) << 16;
2519 if (need_pa11_opcode (&the_insn
, &result
))
2521 opcode
|= (result
.l_r_select
& 1) << 1;
2526 /* Handle L/R register halves like 'x'. */
2529 struct pa_11_fp_reg_struct result
;
2531 pa_parse_number (&s
, &result
);
2532 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2533 opcode
|= (result
.number_part
& 0x1f) << 16;
2534 if (need_pa11_opcode (&the_insn
, &result
))
2536 opcode
|= (result
.l_r_select
& 1) << 12;
2542 /* Float operand 2, like 'x' but with l/r register halves. */
2545 struct pa_11_fp_reg_struct result
;
2547 pa_parse_number (&s
, &result
);
2548 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2549 opcode
|= (result
.number_part
& 0x1f) << 16;
2550 opcode
|= (result
.l_r_select
& 1) << 12;
2554 /* Handle a 5 bit register field at 10. */
2557 struct pa_11_fp_reg_struct result
;
2559 pa_parse_number (&s
, &result
);
2560 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2561 if (the_insn
.fpof1
== SGL
)
2563 if (result
.number_part
< 16)
2565 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2569 result
.number_part
&= 0xF;
2570 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2572 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 21);
2575 /* Handle a 5 bit register field at 15. */
2578 struct pa_11_fp_reg_struct result
;
2580 pa_parse_number (&s
, &result
);
2581 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2582 if (the_insn
.fpof1
== SGL
)
2584 if (result
.number_part
< 16)
2586 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2589 result
.number_part
&= 0xF;
2590 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2592 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 16);
2595 /* Handle a 5 bit register field at 31. */
2598 struct pa_11_fp_reg_struct result
;
2600 pa_parse_number (&s
, &result
);
2601 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2602 if (the_insn
.fpof1
== SGL
)
2604 if (result
.number_part
< 16)
2606 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2609 result
.number_part
&= 0xF;
2610 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2612 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 0);
2615 /* Handle a 5 bit register field at 20. */
2618 struct pa_11_fp_reg_struct result
;
2620 pa_parse_number (&s
, &result
);
2621 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2622 if (the_insn
.fpof1
== SGL
)
2624 if (result
.number_part
< 16)
2626 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2629 result
.number_part
&= 0xF;
2630 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2632 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 11);
2635 /* Handle a 5 bit register field at 25. */
2638 struct pa_11_fp_reg_struct result
;
2640 pa_parse_number (&s
, &result
);
2641 CHECK_FIELD (result
.number_part
, 31, 0, 0);
2642 if (the_insn
.fpof1
== SGL
)
2644 if (result
.number_part
< 16)
2646 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
2649 result
.number_part
&= 0xF;
2650 result
.number_part
|= (result
.l_r_select
& 1) << 4;
2652 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 6);
2655 /* Handle a floating point operand format at 26.
2656 Only allows single and double precision. */
2658 flag
= pa_parse_fp_format (&s
);
2664 the_insn
.fpof1
= flag
;
2670 as_bad (_("Invalid Floating Point Operand Format."));
2681 /* Check if the args matched. */
2684 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
2685 && !strcmp (insn
->name
, insn
[1].name
))
2693 as_bad (_("Invalid operands %s"), error_message
);
2700 the_insn
.opcode
= opcode
;
2703 /* Turn a string in input_line_pointer into a floating point constant of type
2704 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
2705 emitted is stored in *sizeP . An error message or NULL is returned. */
2707 #define MAX_LITTLENUMS 6
2710 md_atof (type
, litP
, sizeP
)
2716 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
2717 LITTLENUM_TYPE
*wordP
;
2749 return _("Bad call to MD_ATOF()");
2751 t
= atof_ieee (input_line_pointer
, type
, words
);
2753 input_line_pointer
= t
;
2754 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
2755 for (wordP
= words
; prec
--;)
2757 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
2758 litP
+= sizeof (LITTLENUM_TYPE
);
2763 /* Write out big-endian. */
2766 md_number_to_chars (buf
, val
, n
)
2771 number_to_chars_bigendian (buf
, val
, n
);
2774 /* Translate internal representation of relocation info to BFD target
2778 tc_gen_reloc (section
, fixp
)
2783 struct hppa_fix_struct
*hppa_fixp
;
2784 bfd_reloc_code_real_type code
;
2785 static arelent
*no_relocs
= NULL
;
2787 bfd_reloc_code_real_type
**codes
;
2791 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
2792 if (fixp
->fx_addsy
== 0)
2794 assert (hppa_fixp
!= 0);
2795 assert (section
!= 0);
2797 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
2799 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2800 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2801 codes
= (bfd_reloc_code_real_type
**) hppa_gen_reloc_type (stdoutput
,
2803 hppa_fixp
->fx_r_format
,
2804 hppa_fixp
->fx_r_field
,
2805 fixp
->fx_subsy
!= NULL
,
2806 symbol_get_bfdsym (fixp
->fx_addsy
));
2811 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
2814 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
2815 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
2816 for (i
= 0; i
< n_relocs
; i
++)
2817 relocs
[i
] = &reloc
[i
];
2819 relocs
[n_relocs
] = NULL
;
2822 switch (fixp
->fx_r_type
)
2825 assert (n_relocs
== 1);
2829 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2830 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2831 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
, code
);
2832 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2833 reloc
->addend
= 0; /* default */
2835 assert (reloc
->howto
&& code
== reloc
->howto
->type
);
2837 /* Now, do any processing that is dependent on the relocation type. */
2840 case R_PARISC_DLTREL21L
:
2841 case R_PARISC_DLTREL14R
:
2842 case R_PARISC_DLTREL14F
:
2843 case R_PARISC_PLABEL32
:
2844 case R_PARISC_PLABEL21L
:
2845 case R_PARISC_PLABEL14R
:
2846 /* For plabel relocations, the addend of the
2847 relocation should be either 0 (no static link) or 2
2848 (static link required).
2850 FIXME: We always assume no static link!
2852 We also slam a zero addend into the DLT relative relocs;
2853 it doesn't make a lot of sense to use any addend since
2854 it gets you a different (eg unknown) DLT entry. */
2858 case R_PARISC_PCREL21L
:
2859 case R_PARISC_PCREL17R
:
2860 case R_PARISC_PCREL17F
:
2861 case R_PARISC_PCREL17C
:
2862 case R_PARISC_PCREL14R
:
2863 case R_PARISC_PCREL14F
:
2864 /* The constant is stored in the instruction. */
2865 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
2868 reloc
->addend
= fixp
->fx_offset
;
2875 /* Walk over reach relocation returned by the BFD backend. */
2876 for (i
= 0; i
< n_relocs
; i
++)
2880 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2881 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2882 relocs
[i
]->howto
= bfd_reloc_type_lookup (stdoutput
, code
);
2883 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2888 /* The only time we ever use a R_COMP2 fixup is for the difference
2889 of two symbols. With that in mind we fill in all four
2890 relocs now and break out of the loop. */
2892 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
2893 relocs
[0]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[0]);
2894 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2895 relocs
[0]->addend
= 0;
2896 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2897 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
2898 relocs
[1]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[1]);
2899 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2900 relocs
[1]->addend
= 0;
2901 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2902 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
2903 relocs
[2]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[2]);
2904 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2905 relocs
[2]->addend
= 0;
2906 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
2907 relocs
[3]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[3]);
2908 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2909 relocs
[3]->addend
= 0;
2910 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
2911 relocs
[4]->howto
= bfd_reloc_type_lookup (stdoutput
, *codes
[4]);
2912 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
2913 relocs
[4]->addend
= 0;
2917 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
2923 /* For plabel relocations, the addend of the
2924 relocation should be either 0 (no static link) or 2
2925 (static link required).
2927 FIXME: We always assume no static link!
2929 We also slam a zero addend into the DLT relative relocs;
2930 it doesn't make a lot of sense to use any addend since
2931 it gets you a different (eg unknown) DLT entry. */
2932 relocs
[i
]->addend
= 0;
2947 /* There is no symbol or addend associated with these fixups. */
2948 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2949 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
2950 relocs
[i
]->addend
= 0;
2956 /* There is no symbol associated with these fixups. */
2957 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
2958 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
2959 relocs
[i
]->addend
= fixp
->fx_offset
;
2963 relocs
[i
]->addend
= fixp
->fx_offset
;
2973 /* Process any machine dependent frag types. */
2976 md_convert_frag (abfd
, sec
, fragP
)
2978 register asection
*sec
;
2979 register fragS
*fragP
;
2981 unsigned int address
;
2983 if (fragP
->fr_type
== rs_machine_dependent
)
2985 switch ((int) fragP
->fr_subtype
)
2988 fragP
->fr_type
= rs_fill
;
2989 know (fragP
->fr_var
== 1);
2990 know (fragP
->fr_next
);
2991 address
= fragP
->fr_address
+ fragP
->fr_fix
;
2992 if (address
% fragP
->fr_offset
)
2995 fragP
->fr_next
->fr_address
3000 fragP
->fr_offset
= 0;
3006 /* Round up a section size to the appropriate boundary. */
3009 md_section_align (segment
, size
)
3013 int align
= bfd_get_section_alignment (stdoutput
, segment
);
3014 int align2
= (1 << align
) - 1;
3016 return (size
+ align2
) & ~align2
;
3019 /* Return the approximate size of a frag before relaxation has occurred. */
3021 md_estimate_size_before_relax (fragP
, segment
)
3022 register fragS
*fragP
;
3029 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
3035 CONST
char *md_shortopts
= "";
3036 struct option md_longopts
[] = {
3037 {NULL
, no_argument
, NULL
, 0}
3039 size_t md_longopts_size
= sizeof(md_longopts
);
3042 md_parse_option (c
, arg
)
3050 md_show_usage (stream
)
3055 /* We have no need to default values of symbols. */
3058 md_undefined_symbol (name
)
3064 /* Apply a fixup to an instruction. */
3067 md_apply_fix (fixP
, valp
)
3071 char *buf
= fixP
->fx_where
+ fixP
->fx_frag
->fr_literal
;
3072 struct hppa_fix_struct
*hppa_fixP
;
3073 long new_val
, result
= 0;
3074 unsigned int w1
, w2
, w
, resulti
;
3076 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
3077 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
3078 never be "applied" (they are just markers). Likewise for
3079 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
3081 if (fixP
->fx_r_type
== R_HPPA_ENTRY
3082 || fixP
->fx_r_type
== R_HPPA_EXIT
3083 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
3084 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
3085 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
3088 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
3089 fixups are considered not adjustable, which in turn causes
3090 adjust_reloc_syms to not set fx_offset. Ugh. */
3091 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
3093 fixP
->fx_offset
= *valp
;
3098 /* There should have been an HPPA specific fixup associated
3099 with the GAS fixup. */
3102 unsigned long buf_wd
= bfd_get_32 (stdoutput
, buf
);
3103 unsigned char fmt
= bfd_hppa_insn2fmt (buf_wd
);
3105 /* If there is a symbol associated with this fixup, then it's something
3106 which will need a SOM relocation (except for some PC-relative relocs).
3107 In such cases we should treat the "val" or "addend" as zero since it
3108 will be added in as needed from fx_offset in tc_gen_reloc. */
3109 if ((fixP
->fx_addsy
!= NULL
3110 || fixP
->fx_r_type
== R_HPPA_NONE
)
3115 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
3117 /* These field selectors imply that we do not want an addend. */
3118 else if (hppa_fixP
->fx_r_field
== e_psel
3119 || hppa_fixP
->fx_r_field
== e_rpsel
3120 || hppa_fixP
->fx_r_field
== e_lpsel
3121 || hppa_fixP
->fx_r_field
== e_tsel
3122 || hppa_fixP
->fx_r_field
== e_rtsel
3123 || hppa_fixP
->fx_r_field
== e_ltsel
)
3124 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
3125 /* This is truely disgusting. The machine independent code blindly
3126 adds in the value of the symbol being relocated against. Damn! */
3128 && fixP
->fx_addsy
!= NULL
3129 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
3130 new_val
= hppa_field_adjust (*valp
- S_GET_VALUE (fixP
->fx_addsy
),
3131 0, hppa_fixP
->fx_r_field
);
3134 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
3136 /* Handle pc-relative exceptions from above. */
3137 #define arg_reloc_stub_needed(CALLER, CALLEE) \
3138 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
3139 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
3143 && !arg_reloc_stub_needed ((long) ((obj_symbol_type
*)
3144 symbol_get_bfdsym (fixP
->fx_addsy
))->tc_data
.ap
.hppa_arg_reloc
,
3145 hppa_fixP
->fx_arg_reloc
)
3147 && (((int)(*valp
) > -262144 && (int)(*valp
) < 262143) && fmt
!= 22)
3148 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
3150 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
3152 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
3153 #undef arg_reloc_stub_needed
3157 /* Handle all opcodes with the 'j' operand type. */
3159 CHECK_FIELD (new_val
, 8191, -8192, 0);
3161 /* Mask off 14 bits to be changed. */
3162 bfd_put_32 (stdoutput
,
3163 bfd_get_32 (stdoutput
, buf
) & 0xffffc000,
3165 low_sign_unext (new_val
, 14, &resulti
);
3169 /* Handle all opcodes with the 'k' operand type. */
3171 CHECK_FIELD (new_val
, 2097152, 0, 0);
3173 /* Mask off 21 bits to be changed. */
3174 bfd_put_32 (stdoutput
,
3175 bfd_get_32 (stdoutput
, buf
) & 0xffe00000,
3177 dis_assemble_21 (new_val
, &resulti
);
3181 /* Handle all the opcodes with the 'i' operand type. */
3183 CHECK_FIELD (new_val
, 1023, -1023, 0);
3185 /* Mask off 11 bits to be changed. */
3186 bfd_put_32 (stdoutput
,
3187 bfd_get_32 (stdoutput
, buf
) & 0xffff800,
3189 low_sign_unext (new_val
, 11, &resulti
);
3193 /* Handle all the opcodes with the 'w' operand type. */
3195 CHECK_FIELD (new_val
, 8199, -8184, 0);
3197 /* Mask off 11 bits to be changed. */
3198 sign_unext ((new_val
- 8) >> 2, 12, &resulti
);
3199 bfd_put_32 (stdoutput
,
3200 bfd_get_32 (stdoutput
, buf
) & 0xffffe002,
3203 dis_assemble_12 (resulti
, &w1
, &w
);
3204 result
= ((w1
<< 2) | w
);
3207 /* Handle some of the opcodes with the 'W' operand type. */
3210 int distance
= *valp
;
3212 CHECK_FIELD (new_val
, 262143, -262144, 0);
3214 /* If this is an absolute branch (ie no link) with an out of
3215 range target, then we want to complain. */
3216 if (fixP
->fx_r_type
== R_HPPA_PCREL_CALL
3217 && (distance
> 262143 || distance
< -262144)
3218 && (bfd_get_32 (stdoutput
, buf
) & 0xffe00000) == 0xe8000000)
3219 CHECK_FIELD (distance
, 262143, -262144, 0);
3221 /* Mask off 17 bits to be changed. */
3222 bfd_put_32 (stdoutput
,
3223 bfd_get_32 (stdoutput
, buf
) & 0xffe0e002,
3225 sign_unext ((new_val
- 8) >> 2, 17, &resulti
);
3226 dis_assemble_17 (resulti
, &w1
, &w2
, &w
);
3227 result
= ((w2
<< 2) | (w1
<< 16) | w
);
3233 bfd_put_32 (stdoutput
, new_val
, buf
);
3237 as_bad (_("Unknown relocation encountered in md_apply_fix."));
3241 /* Insert the relocation. */
3242 bfd_put_32 (stdoutput
, bfd_get_32 (stdoutput
, buf
) | result
, buf
);
3247 printf (_("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n"),
3248 (unsigned int) fixP
, fixP
->fx_r_type
);
3253 /* Exactly what point is a PC-relative offset relative TO?
3254 On the PA, they're relative to the address of the offset. */
3257 md_pcrel_from (fixP
)
3260 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
3263 /* Return nonzero if the input line pointer is at the end of
3267 is_end_of_statement ()
3269 return ((*input_line_pointer
== '\n')
3270 || (*input_line_pointer
== ';')
3271 || (*input_line_pointer
== '!'));
3274 /* Read a number from S. The number might come in one of many forms,
3275 the most common will be a hex or decimal constant, but it could be
3276 a pre-defined register (Yuk!), or an absolute symbol.
3278 Return a number or -1 for failure.
3280 When parsing PA-89 FP register numbers RESULT will be
3281 the address of a structure to return information about
3282 L/R half of FP registers, store results there as appropriate.
3284 pa_parse_number can not handle negative constants and will fail
3285 horribly if it is passed such a constant. */
3288 pa_parse_number (s
, result
)
3290 struct pa_11_fp_reg_struct
*result
;
3299 /* Skip whitespace before the number. */
3300 while (*p
== ' ' || *p
== '\t')
3303 /* Store info in RESULT if requested by caller. */
3306 result
->number_part
= -1;
3307 result
->l_r_select
= -1;
3313 /* Looks like a number. */
3316 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
3318 /* The number is specified in hex. */
3320 while (isdigit (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
3321 || ((*p
>= 'A') && (*p
<= 'F')))
3324 num
= num
* 16 + *p
- '0';
3325 else if (*p
>= 'a' && *p
<= 'f')
3326 num
= num
* 16 + *p
- 'a' + 10;
3328 num
= num
* 16 + *p
- 'A' + 10;
3334 /* The number is specified in decimal. */
3335 while (isdigit (*p
))
3337 num
= num
* 10 + *p
- '0';
3342 /* Store info in RESULT if requested by the caller. */
3345 result
->number_part
= num
;
3347 if (IS_R_SELECT (p
))
3349 result
->l_r_select
= 1;
3352 else if (IS_L_SELECT (p
))
3354 result
->l_r_select
= 0;
3358 result
->l_r_select
= 0;
3363 /* The number might be a predefined register. */
3368 /* Tege hack: Special case for general registers as the general
3369 code makes a binary search with case translation, and is VERY
3374 if (*p
== 'e' && *(p
+ 1) == 't'
3375 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
3378 num
= *p
- '0' + 28;
3386 else if (!isdigit (*p
))
3389 as_bad (_("Undefined register: '%s'."), name
);
3395 num
= num
* 10 + *p
++ - '0';
3396 while (isdigit (*p
));
3401 /* Do a normal register search. */
3402 while (is_part_of_name (c
))
3408 status
= reg_name_search (name
);
3414 as_bad (_("Undefined register: '%s'."), name
);
3420 /* Store info in RESULT if requested by caller. */
3423 result
->number_part
= num
;
3424 if (IS_R_SELECT (p
- 1))
3425 result
->l_r_select
= 1;
3426 else if (IS_L_SELECT (p
- 1))
3427 result
->l_r_select
= 0;
3429 result
->l_r_select
= 0;
3434 /* And finally, it could be a symbol in the absolute section which
3435 is effectively a constant. */
3439 while (is_part_of_name (c
))
3445 if ((sym
= symbol_find (name
)) != NULL
)
3447 if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
3448 num
= S_GET_VALUE (sym
);
3452 as_bad (_("Non-absolute symbol: '%s'."), name
);
3458 /* There is where we'd come for an undefined symbol
3459 or for an empty string. For an empty string we
3460 will return zero. That's a concession made for
3461 compatability with the braindamaged HP assemblers. */
3467 as_bad (_("Undefined absolute constant: '%s'."), name
);
3473 /* Store info in RESULT if requested by caller. */
3476 result
->number_part
= num
;
3477 if (IS_R_SELECT (p
- 1))
3478 result
->l_r_select
= 1;
3479 else if (IS_L_SELECT (p
- 1))
3480 result
->l_r_select
= 0;
3482 result
->l_r_select
= 0;
3490 #define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
3492 /* Given NAME, find the register number associated with that name, return
3493 the integer value associated with the given name or -1 on failure. */
3496 reg_name_search (name
)
3499 int middle
, low
, high
;
3503 high
= REG_NAME_CNT
- 1;
3507 middle
= (low
+ high
) / 2;
3508 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
3514 return pre_defined_registers
[middle
].value
;
3516 while (low
<= high
);
3522 /* Return nonzero if the given INSN and L/R information will require
3523 a new PA-1.1 opcode. */
3526 need_pa11_opcode (insn
, result
)
3528 struct pa_11_fp_reg_struct
*result
;
3530 if (result
->l_r_select
== 1 && !(insn
->fpof1
== DBL
&& insn
->fpof2
== DBL
))
3532 /* If this instruction is specific to a particular architecture,
3533 then set a new architecture. */
3534 if (bfd_get_mach (stdoutput
) < pa11
)
3536 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
3537 as_warn (_("could not update architecture and machine"));
3545 /* Parse a condition for a fcmp instruction. Return the numerical
3546 code associated with the condition. */
3549 pa_parse_fp_cmp_cond (s
)
3556 for (i
= 0; i
< 32; i
++)
3558 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
3559 strlen (fp_cond_map
[i
].string
)) == 0)
3561 cond
= fp_cond_map
[i
].cond
;
3562 *s
+= strlen (fp_cond_map
[i
].string
);
3563 /* If not a complete match, back up the input string and
3565 if (**s
!= ' ' && **s
!= '\t')
3567 *s
-= strlen (fp_cond_map
[i
].string
);
3570 while (**s
== ' ' || **s
== '\t')
3576 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
3578 /* Advance over the bogus completer. */
3579 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3586 /* Parse an FP operand format completer returning the completer
3589 static fp_operand_format
3590 pa_parse_fp_format (s
)
3599 if (strncasecmp (*s
, "sgl", 3) == 0)
3604 else if (strncasecmp (*s
, "dbl", 3) == 0)
3609 else if (strncasecmp (*s
, "quad", 4) == 0)
3616 format
= ILLEGAL_FMT
;
3617 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
3624 /* Convert from a selector string into a selector type. */
3627 pa_chk_field_selector (str
)
3630 int middle
, low
, high
;
3634 /* Read past any whitespace. */
3635 /* FIXME: should we read past newlines and formfeeds??? */
3636 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
3639 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
3640 name
[0] = tolower ((*str
)[0]),
3642 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
3643 name
[0] = tolower ((*str
)[0]),
3644 name
[1] = tolower ((*str
)[1]),
3646 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
3647 name
[0] = tolower ((*str
)[0]),
3648 name
[1] = tolower ((*str
)[1]),
3649 name
[2] = tolower ((*str
)[2]),
3655 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
3659 middle
= (low
+ high
) / 2;
3660 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
3667 *str
+= strlen (name
) + 1;
3669 if (selector_table
[middle
].field_selector
== e_nsel
)
3672 return selector_table
[middle
].field_selector
;
3675 while (low
<= high
);
3680 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
3683 get_expression (str
)
3689 save_in
= input_line_pointer
;
3690 input_line_pointer
= str
;
3691 seg
= expression (&the_insn
.exp
);
3692 if (!(seg
== absolute_section
3693 || seg
== undefined_section
3694 || SEG_NORMAL (seg
)))
3696 as_warn (_("Bad segment in expression."));
3697 expr_end
= input_line_pointer
;
3698 input_line_pointer
= save_in
;
3701 expr_end
= input_line_pointer
;
3702 input_line_pointer
= save_in
;
3706 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
3708 pa_get_absolute_expression (insn
, strp
)
3714 insn
->field_selector
= pa_chk_field_selector (strp
);
3715 save_in
= input_line_pointer
;
3716 input_line_pointer
= *strp
;
3717 expression (&insn
->exp
);
3718 /* This is not perfect, but is a huge improvement over doing nothing.
3720 The PA assembly syntax is ambigious in a variety of ways. Consider
3721 this string "4 %r5" Is that the number 4 followed by the register
3722 r5, or is that 4 MOD 5?
3724 If we get a modulo expresion When looking for an absolute, we try
3725 again cutting off the input string at the first whitespace character. */
3726 if (insn
->exp
.X_op
== O_modulus
)
3731 input_line_pointer
= *strp
;
3733 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
3739 retval
= pa_get_absolute_expression (insn
, strp
);
3741 input_line_pointer
= save_in
;
3743 return evaluate_absolute (insn
);
3745 if (insn
->exp
.X_op
!= O_constant
)
3747 as_bad (_("Bad segment (should be absolute)."));
3748 expr_end
= input_line_pointer
;
3749 input_line_pointer
= save_in
;
3752 expr_end
= input_line_pointer
;
3753 input_line_pointer
= save_in
;
3754 return evaluate_absolute (insn
);
3757 /* Evaluate an absolute expression EXP which may be modified by
3758 the selector FIELD_SELECTOR. Return the value of the expression. */
3760 evaluate_absolute (insn
)
3765 int field_selector
= insn
->field_selector
;
3768 value
= exp
.X_add_number
;
3770 switch (field_selector
)
3776 /* If bit 21 is on then add 0x800 and arithmetic shift right 11 bits. */
3778 if (value
& 0x00000400)
3780 value
= (value
& 0xfffff800) >> 11;
3783 /* Sign extend from bit 21. */
3785 if (value
& 0x00000400)
3786 value
|= 0xfffff800;
3791 /* Arithmetic shift right 11 bits. */
3793 value
= (value
& 0xfffff800) >> 11;
3796 /* Set bits 0-20 to zero. */
3798 value
= value
& 0x7ff;
3801 /* Add 0x800 and arithmetic shift right 11 bits. */
3804 value
= (value
& 0xfffff800) >> 11;
3807 /* Set bitgs 0-21 to one. */
3809 value
|= 0xfffff800;
3812 #define RSEL_ROUND(c) (((c) + 0x1000) & ~0x1fff)
3814 value
= (RSEL_ROUND (value
) & 0x7ff) + (value
- RSEL_ROUND (value
));
3818 value
= (RSEL_ROUND (value
) >> 11) & 0x1fffff;
3823 BAD_CASE (field_selector
);
3829 /* Given an argument location specification return the associated
3830 argument location number. */
3833 pa_build_arg_reloc (type_name
)
3837 if (strncasecmp (type_name
, "no", 2) == 0)
3839 if (strncasecmp (type_name
, "gr", 2) == 0)
3841 else if (strncasecmp (type_name
, "fr", 2) == 0)
3843 else if (strncasecmp (type_name
, "fu", 2) == 0)
3846 as_bad (_("Invalid argument location: %s\n"), type_name
);
3851 /* Encode and return an argument relocation specification for
3852 the given register in the location specified by arg_reloc. */
3855 pa_align_arg_reloc (reg
, arg_reloc
)
3857 unsigned int arg_reloc
;
3859 unsigned int new_reloc
;
3861 new_reloc
= arg_reloc
;
3877 as_bad (_("Invalid argument description: %d"), reg
);
3883 /* Parse a PA nullification completer (,n). Return nonzero if the
3884 completer was found; return zero if no completer was found. */
3896 if (strncasecmp (*s
, "n", 1) == 0)
3900 as_bad (_("Invalid Nullification: (%c)"), **s
);
3909 /* Parse a non-negated compare/subtract completer returning the
3910 number (for encoding in instrutions) of the given completer.
3912 ISBRANCH specifies whether or not this is parsing a condition
3913 completer for a branch (vs a nullification completer for a
3914 computational instruction. */
3917 pa_parse_nonneg_cmpsub_cmpltr (s
, isbranch
)
3922 char *name
= *s
+ 1;
3931 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3937 if (strcmp (name
, "=") == 0)
3941 else if (strcmp (name
, "<") == 0)
3945 else if (strcmp (name
, "<=") == 0)
3949 else if (strcmp (name
, "<<") == 0)
3953 else if (strcmp (name
, "<<=") == 0)
3957 else if (strcasecmp (name
, "sv") == 0)
3961 else if (strcasecmp (name
, "od") == 0)
3965 /* If we have something like addb,n then there is no condition
3967 else if (strcasecmp (name
, "n") == 0 && isbranch
)
3979 /* Reset pointers if this was really a ,n for a branch instruction. */
3987 /* Parse a negated compare/subtract completer returning the
3988 number (for encoding in instrutions) of the given completer.
3990 ISBRANCH specifies whether or not this is parsing a condition
3991 completer for a branch (vs a nullification completer for a
3992 computational instruction. */
3995 pa_parse_neg_cmpsub_cmpltr (s
, isbranch
)
4000 char *name
= *s
+ 1;
4009 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4015 if (strcasecmp (name
, "tr") == 0)
4019 else if (strcmp (name
, "<>") == 0)
4023 else if (strcmp (name
, ">=") == 0)
4027 else if (strcmp (name
, ">") == 0)
4031 else if (strcmp (name
, ">>=") == 0)
4035 else if (strcmp (name
, ">>") == 0)
4039 else if (strcasecmp (name
, "nsv") == 0)
4043 else if (strcasecmp (name
, "ev") == 0)
4047 /* If we have something like addb,n then there is no condition
4049 else if (strcasecmp (name
, "n") == 0 && isbranch
)
4061 /* Reset pointers if this was really a ,n for a branch instruction. */
4070 /* Parse a non-negated addition completer returning the number
4071 (for encoding in instrutions) of the given completer.
4073 ISBRANCH specifies whether or not this is parsing a condition
4074 completer for a branch (vs a nullification completer for a
4075 computational instruction. */
4078 pa_parse_nonneg_add_cmpltr (s
, isbranch
)
4083 char *name
= *s
+ 1;
4091 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4095 if (strcmp (name
, "=") == 0)
4099 else if (strcmp (name
, "<") == 0)
4103 else if (strcmp (name
, "<=") == 0)
4107 else if (strcasecmp (name
, "nuv") == 0)
4111 else if (strcasecmp (name
, "znv") == 0)
4115 else if (strcasecmp (name
, "sv") == 0)
4119 else if (strcasecmp (name
, "od") == 0)
4123 /* If we have something like addb,n then there is no condition
4125 else if (strcasecmp (name
, "n") == 0 && isbranch
)
4136 /* Reset pointers if this was really a ,n for a branch instruction. */
4137 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
4143 /* Parse a negated addition completer returning the number
4144 (for encoding in instrutions) of the given completer.
4146 ISBRANCH specifies whether or not this is parsing a condition
4147 completer for a branch (vs a nullification completer for a
4148 computational instruction). */
4151 pa_parse_neg_add_cmpltr (s
, isbranch
)
4156 char *name
= *s
+ 1;
4164 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4168 if (strcasecmp (name
, "tr") == 0)
4172 else if (strcmp (name
, "<>") == 0)
4176 else if (strcmp (name
, ">=") == 0)
4180 else if (strcmp (name
, ">") == 0)
4184 else if (strcasecmp (name
, "uv") == 0)
4188 else if (strcasecmp (name
, "vnz") == 0)
4192 else if (strcasecmp (name
, "nsv") == 0)
4196 else if (strcasecmp (name
, "ev") == 0)
4200 /* If we have something like addb,n then there is no condition
4202 else if (strcasecmp (name
, "n") == 0 && isbranch
)
4213 /* Reset pointers if this was really a ,n for a branch instruction. */
4214 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
4221 /* Handle an alignment directive. Special so that we can update the
4222 alignment of the subspace if necessary. */
4226 /* We must have a valid space and subspace. */
4227 pa_check_current_space_and_subspace ();
4229 /* Let the generic gas code do most of the work. */
4230 s_align_bytes (bytes
);
4232 /* If bytes is a power of 2, then update the current subspace's
4233 alignment if necessary. */
4234 if (log2 (bytes
) != -1)
4235 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
4239 /* Handle a .BLOCK type pseudo-op. */
4247 unsigned int temp_size
;
4251 /* We must have a valid space and subspace. */
4252 pa_check_current_space_and_subspace ();
4255 temp_size
= get_absolute_expression ();
4257 /* Always fill with zeros, that's what the HP assembler does. */
4260 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
4261 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
4262 memset (p
, 0, temp_size
);
4264 /* Convert 2 bytes at a time. */
4266 for (i
= 0; i
< temp_size
; i
+= 2)
4268 md_number_to_chars (p
+ i
,
4270 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
4273 pa_undefine_label ();
4274 demand_empty_rest_of_line ();
4277 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
4285 /* The BRTAB relocations are only availble in SOM (to denote
4286 the beginning and end of branch tables). */
4287 char *where
= frag_more (0);
4289 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4290 NULL
, (offsetT
) 0, NULL
,
4291 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
4292 e_fsel
, 0, 0, NULL
);
4295 demand_empty_rest_of_line ();
4298 /* Handle a .begin_try and .end_try pseudo-op. */
4306 char *where
= frag_more (0);
4311 /* The TRY relocations are only availble in SOM (to denote
4312 the beginning and end of exception handling regions). */
4314 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4315 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
4316 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
4317 e_fsel
, 0, 0, NULL
);
4320 demand_empty_rest_of_line ();
4323 /* Handle a .CALL pseudo-op. This involves storing away information
4324 about where arguments are to be found so the linker can detect
4325 (and correct) argument location mismatches between caller and callee. */
4332 /* We must have a valid space and subspace. */
4333 pa_check_current_space_and_subspace ();
4336 pa_call_args (&last_call_desc
);
4337 demand_empty_rest_of_line ();
4340 /* Do the dirty work of building a call descriptor which describes
4341 where the caller placed arguments to a function call. */
4344 pa_call_args (call_desc
)
4345 struct call_desc
*call_desc
;
4348 unsigned int temp
, arg_reloc
;
4350 while (!is_end_of_statement ())
4352 name
= input_line_pointer
;
4353 c
= get_symbol_end ();
4354 /* Process a source argument. */
4355 if ((strncasecmp (name
, "argw", 4) == 0))
4357 temp
= atoi (name
+ 4);
4358 p
= input_line_pointer
;
4360 input_line_pointer
++;
4361 name
= input_line_pointer
;
4362 c
= get_symbol_end ();
4363 arg_reloc
= pa_build_arg_reloc (name
);
4364 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
4366 /* Process a return value. */
4367 else if ((strncasecmp (name
, "rtnval", 6) == 0))
4369 p
= input_line_pointer
;
4371 input_line_pointer
++;
4372 name
= input_line_pointer
;
4373 c
= get_symbol_end ();
4374 arg_reloc
= pa_build_arg_reloc (name
);
4375 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
4379 as_bad (_("Invalid .CALL argument: %s"), name
);
4381 p
= input_line_pointer
;
4383 if (!is_end_of_statement ())
4384 input_line_pointer
++;
4388 /* Return TRUE if FRAG1 and FRAG2 are the same. */
4391 is_same_frag (frag1
, frag2
)
4398 else if (frag2
== NULL
)
4400 else if (frag1
== frag2
)
4402 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
4403 return (is_same_frag (frag1
, frag2
->fr_next
));
4409 /* Build an entry in the UNWIND subspace from the given function
4410 attributes in CALL_INFO. This is not needed for SOM as using
4411 R_ENTRY and R_EXIT relocations allow the linker to handle building
4412 of the unwind spaces. */
4415 pa_build_unwind_subspace (call_info
)
4416 struct call_info
*call_info
;
4420 asection
*seg
, *save_seg
;
4421 subsegT subseg
, save_subseg
;
4425 /* Get into the right seg/subseg. This may involve creating
4426 the seg the first time through. Make sure to have the
4427 old seg/subseg so that we can reset things when we are done. */
4428 subseg
= SUBSEG_UNWIND
;
4429 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
4430 if (seg
== ASEC_NULL
)
4432 seg
= bfd_make_section_old_way (stdoutput
, UNWIND_SECTION_NAME
);
4433 bfd_set_section_flags (stdoutput
, seg
,
4434 SEC_READONLY
| SEC_HAS_CONTENTS
4435 | SEC_LOAD
| SEC_RELOC
);
4439 save_subseg
= now_subseg
;
4440 subseg_set (seg
, subseg
);
4443 /* Get some space to hold relocation information for the unwind
4446 md_number_to_chars (p
, 0, 4);
4448 /* Relocation info. for start offset of the function. */
4449 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
4450 call_info
->start_symbol
, (offsetT
) 0,
4451 (expressionS
*) NULL
, 0, R_PARISC_DIR32
, e_fsel
, 32, 0, NULL
);
4454 md_number_to_chars (p
, 0, 4);
4456 /* Relocation info. for end offset of the function.
4458 Because we allow reductions of 32bit relocations for ELF, this will be
4459 reduced to section_sym + offset which avoids putting the temporary
4460 symbol into the symbol table. It (should) end up giving the same
4461 value as call_info->start_symbol + function size once the linker is
4462 finished with its work. */
4464 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
4465 call_info
->end_symbol
, (offsetT
) 0,
4466 (expressionS
*) NULL
, 0, R_PARISC_DIR32
, e_fsel
, 32, 0, NULL
);
4469 unwind
= (char *) &call_info
->ci_unwind
;
4470 for (i
= 8; i
< sizeof (struct unwind_table
); i
++)
4474 FRAG_APPEND_1_CHAR (c
);
4478 /* Return back to the original segment/subsegment. */
4479 subseg_set (save_seg
, save_subseg
);
4484 /* Process a .CALLINFO pseudo-op. This information is used later
4485 to build unwind descriptors and maybe one day to support
4486 .ENTER and .LEAVE. */
4489 pa_callinfo (unused
)
4496 /* We must have a valid space and subspace. */
4497 pa_check_current_space_and_subspace ();
4500 /* .CALLINFO must appear within a procedure definition. */
4501 if (!within_procedure
)
4502 as_bad (_(".callinfo is not within a procedure definition"));
4504 /* Mark the fact that we found the .CALLINFO for the
4505 current procedure. */
4506 callinfo_found
= TRUE
;
4508 /* Iterate over the .CALLINFO arguments. */
4509 while (!is_end_of_statement ())
4511 name
= input_line_pointer
;
4512 c
= get_symbol_end ();
4513 /* Frame size specification. */
4514 if ((strncasecmp (name
, "frame", 5) == 0))
4516 p
= input_line_pointer
;
4518 input_line_pointer
++;
4519 temp
= get_absolute_expression ();
4520 if ((temp
& 0x3) != 0)
4522 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
4526 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
4527 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
4530 /* Entry register (GR, GR and SR) specifications. */
4531 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
4533 p
= input_line_pointer
;
4535 input_line_pointer
++;
4536 temp
= get_absolute_expression ();
4537 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
4538 even though %r19 is caller saved. I think this is a bug in
4539 the HP assembler, and we are not going to emulate it. */
4540 if (temp
< 3 || temp
> 18)
4541 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
4542 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
4544 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
4546 p
= input_line_pointer
;
4548 input_line_pointer
++;
4549 temp
= get_absolute_expression ();
4550 /* Similarly the HP assembler takes 31 as the high bound even
4551 though %fr21 is the last callee saved floating point register. */
4552 if (temp
< 12 || temp
> 21)
4553 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
4554 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
4556 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
4558 p
= input_line_pointer
;
4560 input_line_pointer
++;
4561 temp
= get_absolute_expression ();
4563 as_bad (_("Value for ENTRY_SR must be 3\n"));
4565 /* Note whether or not this function performs any calls. */
4566 else if ((strncasecmp (name
, "calls", 5) == 0) ||
4567 (strncasecmp (name
, "caller", 6) == 0))
4569 p
= input_line_pointer
;
4572 else if ((strncasecmp (name
, "no_calls", 8) == 0))
4574 p
= input_line_pointer
;
4577 /* Should RP be saved into the stack. */
4578 else if ((strncasecmp (name
, "save_rp", 7) == 0))
4580 p
= input_line_pointer
;
4582 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
4584 /* Likewise for SP. */
4585 else if ((strncasecmp (name
, "save_sp", 7) == 0))
4587 p
= input_line_pointer
;
4589 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
4591 /* Is this an unwindable procedure. If so mark it so
4592 in the unwind descriptor. */
4593 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
4595 p
= input_line_pointer
;
4597 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
4599 /* Is this an interrupt routine. If so mark it in the
4600 unwind descriptor. */
4601 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
4603 p
= input_line_pointer
;
4605 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
4607 /* Is this a millicode routine. "millicode" isn't in my
4608 assembler manual, but my copy is old. The HP assembler
4609 accepts it, and there's a place in the unwind descriptor
4610 to drop the information, so we'll accept it too. */
4611 else if ((strncasecmp (name
, "millicode", 9) == 0))
4613 p
= input_line_pointer
;
4615 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
4619 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
4620 *input_line_pointer
= c
;
4622 if (!is_end_of_statement ())
4623 input_line_pointer
++;
4626 demand_empty_rest_of_line ();
4629 /* Switch into the code subspace. */
4636 current_space
= is_defined_space ("$TEXT$");
4638 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
4641 pa_undefine_label ();
4644 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
4645 the .comm pseudo-op has the following symtax:
4647 <label> .comm <length>
4649 where <label> is optional and is a symbol whose address will be the start of
4650 a block of memory <length> bytes long. <length> must be an absolute
4651 expression. <length> bytes will be allocated in the current space
4654 Also note the label may not even be on the same line as the .comm.
4656 This difference in syntax means the colon function will be called
4657 on the symbol before we arrive in pa_comm. colon will set a number
4658 of attributes of the symbol that need to be fixed here. In particular
4659 the value, section pointer, fragment pointer, flags, etc. What
4662 This also makes error detection all but impossible. */
4670 label_symbol_struct
*label_symbol
= pa_get_label ();
4673 symbol
= label_symbol
->lss_label
;
4678 size
= get_absolute_expression ();
4682 S_SET_VALUE (symbol
, size
);
4683 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
4684 S_SET_EXTERNAL (symbol
);
4686 /* colon() has already set the frag to the current location in the
4687 current subspace; we need to reset the fragment to the zero address
4688 fragment. We also need to reset the segment pointer. */
4689 symbol_set_frag (symbol
, &zero_address_frag
);
4691 demand_empty_rest_of_line ();
4694 /* Process a .END pseudo-op. */
4700 demand_empty_rest_of_line ();
4703 /* Process a .ENTER pseudo-op. This is not supported. */
4709 /* We must have a valid space and subspace. */
4710 pa_check_current_space_and_subspace ();
4713 as_bad (_("The .ENTER pseudo-op is not supported"));
4714 demand_empty_rest_of_line ();
4717 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
4724 /* We must have a valid space and subspace. */
4725 pa_check_current_space_and_subspace ();
4728 if (!within_procedure
)
4729 as_bad (_("Misplaced .entry. Ignored."));
4732 if (!callinfo_found
)
4733 as_bad (_("Missing .callinfo."));
4735 demand_empty_rest_of_line ();
4736 within_entry_exit
= TRUE
;
4739 /* SOM defers building of unwind descriptors until the link phase.
4740 The assembler is responsible for creating an R_ENTRY relocation
4741 to mark the beginning of a region and hold the unwind bits, and
4742 for creating an R_EXIT relocation to mark the end of the region.
4744 FIXME. ELF should be using the same conventions! The problem
4745 is an unwind requires too much relocation space. Hmmm. Maybe
4746 if we split the unwind bits up between the relocations which
4747 denote the entry and exit points. */
4748 if (last_call_info
->start_symbol
!= NULL
)
4750 char *where
= frag_more (0);
4752 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4753 NULL
, (offsetT
) 0, NULL
,
4754 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
4755 (int *) &last_call_info
->ci_unwind
.descriptor
);
4760 /* Handle a .EQU pseudo-op. */
4766 label_symbol_struct
*label_symbol
= pa_get_label ();
4771 symbol
= label_symbol
->lss_label
;
4773 S_SET_VALUE (symbol
, pa_parse_number (&input_line_pointer
, 0));
4775 S_SET_VALUE (symbol
, (unsigned int) get_absolute_expression ());
4776 S_SET_SEGMENT (symbol
, bfd_abs_section_ptr
);
4781 as_bad (_(".REG must use a label"));
4783 as_bad (_(".EQU must use a label"));
4786 pa_undefine_label ();
4787 demand_empty_rest_of_line ();
4790 /* Helper function. Does processing for the end of a function. This
4791 usually involves creating some relocations or building special
4792 symbols to mark the end of the function. */
4799 where
= frag_more (0);
4802 /* Mark the end of the function, stuff away the location of the frag
4803 for the end of the function, and finally call pa_build_unwind_subspace
4804 to add an entry in the unwind table. */
4805 hppa_elf_mark_end_of_function ();
4806 pa_build_unwind_subspace (last_call_info
);
4808 /* SOM defers building of unwind descriptors until the link phase.
4809 The assembler is responsible for creating an R_ENTRY relocation
4810 to mark the beginning of a region and hold the unwind bits, and
4811 for creating an R_EXIT relocation to mark the end of the region.
4813 FIXME. ELF should be using the same conventions! The problem
4814 is an unwind requires too much relocation space. Hmmm. Maybe
4815 if we split the unwind bits up between the relocations which
4816 denote the entry and exit points. */
4817 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
4819 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
4820 (int *) &last_call_info
->ci_unwind
.descriptor
+ 1);
4824 /* Process a .EXIT pseudo-op. */
4831 /* We must have a valid space and subspace. */
4832 pa_check_current_space_and_subspace ();
4835 if (!within_procedure
)
4836 as_bad (_(".EXIT must appear within a procedure"));
4839 if (!callinfo_found
)
4840 as_bad (_("Missing .callinfo"));
4843 if (!within_entry_exit
)
4844 as_bad (_("No .ENTRY for this .EXIT"));
4847 within_entry_exit
= FALSE
;
4852 demand_empty_rest_of_line ();
4855 /* Process a .EXPORT directive. This makes functions external
4856 and provides information such as argument relocation entries
4866 name
= input_line_pointer
;
4867 c
= get_symbol_end ();
4868 /* Make sure the given symbol exists. */
4869 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
4871 as_bad (_("Cannot define export symbol: %s\n"), name
);
4872 p
= input_line_pointer
;
4874 input_line_pointer
++;
4878 /* OK. Set the external bits and process argument relocations. */
4879 S_SET_EXTERNAL (symbol
);
4880 p
= input_line_pointer
;
4882 if (!is_end_of_statement ())
4884 input_line_pointer
++;
4885 pa_type_args (symbol
, 1);
4889 demand_empty_rest_of_line ();
4892 /* Helper function to process arguments to a .EXPORT pseudo-op. */
4895 pa_type_args (symbolP
, is_export
)
4900 unsigned int temp
, arg_reloc
;
4901 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
4902 obj_symbol_type
*symbol
= (obj_symbol_type
*) symbol_get_bfdsym (symbolP
);
4904 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
4907 input_line_pointer
+= 8;
4908 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4909 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
4910 type
= SYMBOL_TYPE_ABSOLUTE
;
4912 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
4914 input_line_pointer
+= 4;
4915 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
4916 instead one should be IMPORTing/EXPORTing ENTRY types.
4918 Complain if one tries to EXPORT a CODE type since that's never
4919 done. Both GCC and HP C still try to IMPORT CODE types, so
4920 silently fix them to be ENTRY types. */
4921 if (S_IS_FUNCTION (symbolP
))
4924 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
4925 S_GET_NAME (symbolP
));
4927 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4928 type
= SYMBOL_TYPE_ENTRY
;
4932 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4933 type
= SYMBOL_TYPE_CODE
;
4936 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
4938 input_line_pointer
+= 4;
4939 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4940 type
= SYMBOL_TYPE_DATA
;
4942 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
4944 input_line_pointer
+= 5;
4945 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4946 type
= SYMBOL_TYPE_ENTRY
;
4948 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
4950 input_line_pointer
+= 9;
4951 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4952 type
= SYMBOL_TYPE_MILLICODE
;
4954 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
4956 input_line_pointer
+= 6;
4957 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
4958 type
= SYMBOL_TYPE_PLABEL
;
4960 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
4962 input_line_pointer
+= 8;
4963 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4964 type
= SYMBOL_TYPE_PRI_PROG
;
4966 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
4968 input_line_pointer
+= 8;
4969 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
4970 type
= SYMBOL_TYPE_SEC_PROG
;
4973 /* SOM requires much more information about symbol types
4974 than BFD understands. This is how we get this information
4975 to the SOM BFD backend. */
4976 #ifdef obj_set_symbol_type
4977 obj_set_symbol_type (symbol_get_bfdsym (symbolP
), (int) type
);
4980 /* Now that the type of the exported symbol has been handled,
4981 handle any argument relocation information. */
4982 while (!is_end_of_statement ())
4984 if (*input_line_pointer
== ',')
4985 input_line_pointer
++;
4986 name
= input_line_pointer
;
4987 c
= get_symbol_end ();
4988 /* Argument sources. */
4989 if ((strncasecmp (name
, "argw", 4) == 0))
4991 p
= input_line_pointer
;
4993 input_line_pointer
++;
4994 temp
= atoi (name
+ 4);
4995 name
= input_line_pointer
;
4996 c
= get_symbol_end ();
4997 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
4999 symbol
->tc_data
.ap
.hppa_arg_reloc
|= arg_reloc
;
5001 *input_line_pointer
= c
;
5003 /* The return value. */
5004 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
5006 p
= input_line_pointer
;
5008 input_line_pointer
++;
5009 name
= input_line_pointer
;
5010 c
= get_symbol_end ();
5011 arg_reloc
= pa_build_arg_reloc (name
);
5013 symbol
->tc_data
.ap
.hppa_arg_reloc
|= arg_reloc
;
5015 *input_line_pointer
= c
;
5017 /* Privelege level. */
5018 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
5020 p
= input_line_pointer
;
5022 input_line_pointer
++;
5023 temp
= atoi (input_line_pointer
);
5025 symbol
->tc_data
.ap
.hppa_priv_level
= temp
;
5027 c
= get_symbol_end ();
5028 *input_line_pointer
= c
;
5032 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
5033 p
= input_line_pointer
;
5036 if (!is_end_of_statement ())
5037 input_line_pointer
++;
5041 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
5042 assembly file must either be defined in the assembly file, or
5043 explicitly IMPORTED from another. */
5052 name
= input_line_pointer
;
5053 c
= get_symbol_end ();
5055 symbol
= symbol_find (name
);
5056 /* Ugh. We might be importing a symbol defined earlier in the file,
5057 in which case all the code below will really screw things up
5058 (set the wrong segment, symbol flags & type, etc). */
5059 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
5061 symbol
= symbol_find_or_make (name
);
5062 p
= input_line_pointer
;
5065 if (!is_end_of_statement ())
5067 input_line_pointer
++;
5068 pa_type_args (symbol
, 0);
5072 /* Sigh. To be compatable with the HP assembler and to help
5073 poorly written assembly code, we assign a type based on
5074 the the current segment. Note only BSF_FUNCTION really
5075 matters, we do not need to set the full SYMBOL_TYPE_* info. */
5076 if (now_seg
== text_section
)
5077 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
5079 /* If the section is undefined, then the symbol is undefined
5080 Since this is an import, leave the section undefined. */
5081 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
5086 /* The symbol was already defined. Just eat everything up to
5087 the end of the current statement. */
5088 while (!is_end_of_statement ())
5089 input_line_pointer
++;
5092 demand_empty_rest_of_line ();
5095 /* Handle a .LABEL pseudo-op. */
5103 name
= input_line_pointer
;
5104 c
= get_symbol_end ();
5106 if (strlen (name
) > 0)
5109 p
= input_line_pointer
;
5114 as_warn (_("Missing label name on .LABEL"));
5117 if (!is_end_of_statement ())
5119 as_warn (_("extra .LABEL arguments ignored."));
5120 ignore_rest_of_line ();
5122 demand_empty_rest_of_line ();
5125 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
5132 /* We must have a valid space and subspace. */
5133 pa_check_current_space_and_subspace ();
5136 as_bad (_("The .LEAVE pseudo-op is not supported"));
5137 demand_empty_rest_of_line ();
5140 /* Handle a .LEVEL pseudo-op. */
5148 level
= input_line_pointer
;
5149 if (strncmp (level
, "1.0", 3) == 0)
5151 input_line_pointer
+= 3;
5152 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
5153 as_warn (_("could not set architecture and machine"));
5155 else if (strncmp (level
, "1.1", 3) == 0)
5157 input_line_pointer
+= 3;
5158 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
5159 as_warn (_("could not set architecture and machine"));
5161 else if (strncmp (level
, "2.0", 3) == 0)
5163 input_line_pointer
+= 3;
5164 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
5165 as_warn (_("could not set architecture and machine"));
5169 as_bad (_("Unrecognized .LEVEL argument\n"));
5170 ignore_rest_of_line ();
5172 demand_empty_rest_of_line ();
5175 /* Handle a .ORIGIN pseudo-op. */
5182 /* We must have a valid space and subspace. */
5183 pa_check_current_space_and_subspace ();
5187 pa_undefine_label ();
5190 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
5191 is for static functions. FIXME. Should share more code with .EXPORT. */
5200 name
= input_line_pointer
;
5201 c
= get_symbol_end ();
5203 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
5205 as_bad (_("Cannot define static symbol: %s\n"), name
);
5206 p
= input_line_pointer
;
5208 input_line_pointer
++;
5212 S_CLEAR_EXTERNAL (symbol
);
5213 p
= input_line_pointer
;
5215 if (!is_end_of_statement ())
5217 input_line_pointer
++;
5218 pa_type_args (symbol
, 0);
5222 demand_empty_rest_of_line ();
5225 /* Handle a .PROC pseudo-op. It is used to mark the beginning
5226 of a procedure from a syntatical point of view. */
5232 struct call_info
*call_info
;
5235 /* We must have a valid space and subspace. */
5236 pa_check_current_space_and_subspace ();
5239 if (within_procedure
)
5240 as_fatal (_("Nested procedures"));
5242 /* Reset global variables for new procedure. */
5243 callinfo_found
= FALSE
;
5244 within_procedure
= TRUE
;
5246 /* Create another call_info structure. */
5247 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
5250 as_fatal (_("Cannot allocate unwind descriptor\n"));
5252 memset (call_info
, 0, sizeof (struct call_info
));
5254 call_info
->ci_next
= NULL
;
5256 if (call_info_root
== NULL
)
5258 call_info_root
= call_info
;
5259 last_call_info
= call_info
;
5263 last_call_info
->ci_next
= call_info
;
5264 last_call_info
= call_info
;
5267 /* set up defaults on call_info structure */
5269 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
5270 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
5271 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
5273 /* If we got a .PROC pseudo-op, we know that the function is defined
5274 locally. Make sure it gets into the symbol table. */
5276 label_symbol_struct
*label_symbol
= pa_get_label ();
5280 if (label_symbol
->lss_label
)
5282 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5283 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
5286 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5289 last_call_info
->start_symbol
= NULL
;
5292 demand_empty_rest_of_line ();
5295 /* Process the syntatical end of a procedure. Make sure all the
5296 appropriate pseudo-ops were found within the procedure. */
5304 /* We must have a valid space and subspace. */
5305 pa_check_current_space_and_subspace ();
5308 /* If we are within a procedure definition, make sure we've
5309 defined a label for the procedure; handle case where the
5310 label was defined after the .PROC directive.
5312 Note there's not need to diddle with the segment or fragment
5313 for the label symbol in this case. We have already switched
5314 into the new $CODE$ subspace at this point. */
5315 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5317 label_symbol_struct
*label_symbol
= pa_get_label ();
5321 if (label_symbol
->lss_label
)
5323 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5324 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5327 /* Also handle allocation of a fixup to hold the unwind
5328 information when the label appears after the proc/procend. */
5329 if (within_entry_exit
)
5331 char *where
= frag_more (0);
5333 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5334 NULL
, (offsetT
) 0, NULL
,
5335 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
5336 (int *) &last_call_info
->ci_unwind
.descriptor
);
5341 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5344 as_bad (_("Missing function name for .PROC"));
5347 if (!within_procedure
)
5348 as_bad (_("misplaced .procend"));
5350 if (!callinfo_found
)
5351 as_bad (_("Missing .callinfo for this procedure"));
5353 if (within_entry_exit
)
5354 as_bad (_("Missing .EXIT for a .ENTRY"));
5357 /* ELF needs to mark the end of each function so that it can compute
5358 the size of the function (apparently its needed in the symbol table). */
5359 hppa_elf_mark_end_of_function ();
5362 within_procedure
= FALSE
;
5363 demand_empty_rest_of_line ();
5364 pa_undefine_label ();
5367 /* If VALUE is an exact power of two between zero and 2^31, then
5368 return log2 (VALUE). Else return -1. */
5376 while ((1 << shift
) != value
&& shift
< 32)
5387 /* Check to make sure we have a valid space and subspace. */
5390 pa_check_current_space_and_subspace ()
5392 if (current_space
== NULL
)
5393 as_fatal (_("Not in a space.\n"));
5395 if (current_subspace
== NULL
)
5396 as_fatal (_("Not in a subspace.\n"));
5399 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
5400 then create a new space entry to hold the information specified
5401 by the parameters to the .SPACE directive. */
5403 static sd_chain_struct
*
5404 pa_parse_space_stmt (space_name
, create_flag
)
5408 char *name
, *ptemp
, c
;
5409 char loadable
, defined
, private, sort
;
5411 asection
*seg
= NULL
;
5412 sd_chain_struct
*space
;
5414 /* load default values */
5420 if (strcmp (space_name
, "$TEXT$") == 0)
5422 seg
= pa_def_spaces
[0].segment
;
5423 defined
= pa_def_spaces
[0].defined
;
5424 private = pa_def_spaces
[0].private;
5425 sort
= pa_def_spaces
[0].sort
;
5426 spnum
= pa_def_spaces
[0].spnum
;
5428 else if (strcmp (space_name
, "$PRIVATE$") == 0)
5430 seg
= pa_def_spaces
[1].segment
;
5431 defined
= pa_def_spaces
[1].defined
;
5432 private = pa_def_spaces
[1].private;
5433 sort
= pa_def_spaces
[1].sort
;
5434 spnum
= pa_def_spaces
[1].spnum
;
5437 if (!is_end_of_statement ())
5439 print_errors
= FALSE
;
5440 ptemp
= input_line_pointer
+ 1;
5441 /* First see if the space was specified as a number rather than
5442 as a name. According to the PA assembly manual the rest of
5443 the line should be ignored. */
5444 temp
= pa_parse_number (&ptemp
, 0);
5448 input_line_pointer
= ptemp
;
5452 while (!is_end_of_statement ())
5454 input_line_pointer
++;
5455 name
= input_line_pointer
;
5456 c
= get_symbol_end ();
5457 if ((strncasecmp (name
, "spnum", 5) == 0))
5459 *input_line_pointer
= c
;
5460 input_line_pointer
++;
5461 spnum
= get_absolute_expression ();
5463 else if ((strncasecmp (name
, "sort", 4) == 0))
5465 *input_line_pointer
= c
;
5466 input_line_pointer
++;
5467 sort
= get_absolute_expression ();
5469 else if ((strncasecmp (name
, "unloadable", 10) == 0))
5471 *input_line_pointer
= c
;
5474 else if ((strncasecmp (name
, "notdefined", 10) == 0))
5476 *input_line_pointer
= c
;
5479 else if ((strncasecmp (name
, "private", 7) == 0))
5481 *input_line_pointer
= c
;
5486 as_bad (_("Invalid .SPACE argument"));
5487 *input_line_pointer
= c
;
5488 if (!is_end_of_statement ())
5489 input_line_pointer
++;
5493 print_errors
= TRUE
;
5496 if (create_flag
&& seg
== NULL
)
5497 seg
= subseg_new (space_name
, 0);
5499 /* If create_flag is nonzero, then create the new space with
5500 the attributes computed above. Else set the values in
5501 an already existing space -- this can only happen for
5502 the first occurence of a built-in space. */
5504 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
5505 private, sort
, seg
, 1);
5508 space
= is_defined_space (space_name
);
5509 SPACE_SPNUM (space
) = spnum
;
5510 SPACE_DEFINED (space
) = defined
& 1;
5511 SPACE_USER_DEFINED (space
) = 1;
5514 #ifdef obj_set_section_attributes
5515 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
5521 /* Handle a .SPACE pseudo-op; this switches the current space to the
5522 given space, creating the new space if necessary. */
5528 char *name
, c
, *space_name
, *save_s
;
5530 sd_chain_struct
*sd_chain
;
5532 if (within_procedure
)
5534 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
5535 ignore_rest_of_line ();
5539 /* Check for some of the predefined spaces. FIXME: most of the code
5540 below is repeated several times, can we extract the common parts
5541 and place them into a subroutine or something similar? */
5542 /* FIXME Is this (and the next IF stmt) really right?
5543 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
5544 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
5546 input_line_pointer
+= 6;
5547 sd_chain
= is_defined_space ("$TEXT$");
5548 if (sd_chain
== NULL
)
5549 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
5550 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
5551 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
5553 current_space
= sd_chain
;
5554 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
5556 = pa_subsegment_to_subspace (text_section
,
5557 sd_chain
->sd_last_subseg
);
5558 demand_empty_rest_of_line ();
5561 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
5563 input_line_pointer
+= 9;
5564 sd_chain
= is_defined_space ("$PRIVATE$");
5565 if (sd_chain
== NULL
)
5566 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
5567 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
5568 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
5570 current_space
= sd_chain
;
5571 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
5573 = pa_subsegment_to_subspace (data_section
,
5574 sd_chain
->sd_last_subseg
);
5575 demand_empty_rest_of_line ();
5578 if (!strncasecmp (input_line_pointer
,
5579 GDB_DEBUG_SPACE_NAME
,
5580 strlen (GDB_DEBUG_SPACE_NAME
)))
5582 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
5583 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
5584 if (sd_chain
== NULL
)
5585 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
5586 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
5587 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
5589 current_space
= sd_chain
;
5592 asection
*gdb_section
5593 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
5595 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
5597 = pa_subsegment_to_subspace (gdb_section
,
5598 sd_chain
->sd_last_subseg
);
5600 demand_empty_rest_of_line ();
5604 /* It could be a space specified by number. */
5606 save_s
= input_line_pointer
;
5607 if ((temp
= pa_parse_number (&input_line_pointer
, 0)) >= 0)
5609 if ((sd_chain
= pa_find_space_by_number (temp
)))
5611 current_space
= sd_chain
;
5613 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
5615 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
5616 sd_chain
->sd_last_subseg
);
5617 demand_empty_rest_of_line ();
5622 /* Not a number, attempt to create a new space. */
5624 input_line_pointer
= save_s
;
5625 name
= input_line_pointer
;
5626 c
= get_symbol_end ();
5627 space_name
= xmalloc (strlen (name
) + 1);
5628 strcpy (space_name
, name
);
5629 *input_line_pointer
= c
;
5631 sd_chain
= pa_parse_space_stmt (space_name
, 1);
5632 current_space
= sd_chain
;
5634 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
5635 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
5636 sd_chain
->sd_last_subseg
);
5637 demand_empty_rest_of_line ();
5641 /* Switch to a new space. (I think). FIXME. */
5650 sd_chain_struct
*space
;
5652 name
= input_line_pointer
;
5653 c
= get_symbol_end ();
5654 space
= is_defined_space (name
);
5658 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
5661 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
5663 *input_line_pointer
= c
;
5664 demand_empty_rest_of_line ();
5667 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
5668 given subspace, creating the new subspace if necessary.
5670 FIXME. Should mirror pa_space more closely, in particular how
5671 they're broken up into subroutines. */
5674 pa_subspace (create_new
)
5677 char *name
, *ss_name
, c
;
5678 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
5679 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
5680 sd_chain_struct
*space
;
5681 ssd_chain_struct
*ssd
;
5684 if (current_space
== NULL
)
5685 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
5687 if (within_procedure
)
5689 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
5690 ignore_rest_of_line ();
5694 name
= input_line_pointer
;
5695 c
= get_symbol_end ();
5696 ss_name
= xmalloc (strlen (name
) + 1);
5697 strcpy (ss_name
, name
);
5698 *input_line_pointer
= c
;
5700 /* Load default values. */
5712 space
= current_space
;
5716 ssd
= is_defined_subspace (ss_name
);
5717 /* Allow user to override the builtin attributes of subspaces. But
5718 only allow the attributes to be changed once! */
5719 if (ssd
&& SUBSPACE_DEFINED (ssd
))
5721 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
5722 current_subspace
= ssd
;
5723 if (!is_end_of_statement ())
5724 as_warn (_("Parameters of an existing subspace can\'t be modified"));
5725 demand_empty_rest_of_line ();
5730 /* A new subspace. Load default values if it matches one of
5731 the builtin subspaces. */
5733 while (pa_def_subspaces
[i
].name
)
5735 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
5737 loadable
= pa_def_subspaces
[i
].loadable
;
5738 common
= pa_def_subspaces
[i
].common
;
5739 dup_common
= pa_def_subspaces
[i
].dup_common
;
5740 code_only
= pa_def_subspaces
[i
].code_only
;
5741 zero
= pa_def_subspaces
[i
].zero
;
5742 space_index
= pa_def_subspaces
[i
].space_index
;
5743 alignment
= pa_def_subspaces
[i
].alignment
;
5744 quadrant
= pa_def_subspaces
[i
].quadrant
;
5745 access
= pa_def_subspaces
[i
].access
;
5746 sort
= pa_def_subspaces
[i
].sort
;
5753 /* We should be working with a new subspace now. Fill in
5754 any information as specified by the user. */
5755 if (!is_end_of_statement ())
5757 input_line_pointer
++;
5758 while (!is_end_of_statement ())
5760 name
= input_line_pointer
;
5761 c
= get_symbol_end ();
5762 if ((strncasecmp (name
, "quad", 4) == 0))
5764 *input_line_pointer
= c
;
5765 input_line_pointer
++;
5766 quadrant
= get_absolute_expression ();
5768 else if ((strncasecmp (name
, "align", 5) == 0))
5770 *input_line_pointer
= c
;
5771 input_line_pointer
++;
5772 alignment
= get_absolute_expression ();
5773 if (log2 (alignment
) == -1)
5775 as_bad (_("Alignment must be a power of 2"));
5779 else if ((strncasecmp (name
, "access", 6) == 0))
5781 *input_line_pointer
= c
;
5782 input_line_pointer
++;
5783 access
= get_absolute_expression ();
5785 else if ((strncasecmp (name
, "sort", 4) == 0))
5787 *input_line_pointer
= c
;
5788 input_line_pointer
++;
5789 sort
= get_absolute_expression ();
5791 else if ((strncasecmp (name
, "code_only", 9) == 0))
5793 *input_line_pointer
= c
;
5796 else if ((strncasecmp (name
, "unloadable", 10) == 0))
5798 *input_line_pointer
= c
;
5801 else if ((strncasecmp (name
, "common", 6) == 0))
5803 *input_line_pointer
= c
;
5806 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
5808 *input_line_pointer
= c
;
5811 else if ((strncasecmp (name
, "zero", 4) == 0))
5813 *input_line_pointer
= c
;
5816 else if ((strncasecmp (name
, "first", 5) == 0))
5817 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
5819 as_bad (_("Invalid .SUBSPACE argument"));
5820 if (!is_end_of_statement ())
5821 input_line_pointer
++;
5825 /* Compute a reasonable set of BFD flags based on the information
5826 in the .subspace directive. */
5827 applicable
= bfd_applicable_section_flags (stdoutput
);
5830 flags
|= (SEC_ALLOC
| SEC_LOAD
);
5833 if (common
|| dup_common
)
5834 flags
|= SEC_IS_COMMON
;
5836 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
5838 /* This is a zero-filled subspace (eg BSS). */
5840 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
5842 applicable
&= flags
;
5844 /* If this is an existing subspace, then we want to use the
5845 segment already associated with the subspace.
5847 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
5848 lots of sections. It might be a problem in the PA ELF
5849 code, I do not know yet. For now avoid creating anything
5850 but the "standard" sections for ELF. */
5852 section
= subseg_force_new (ss_name
, 0);
5854 section
= ssd
->ssd_seg
;
5856 section
= subseg_new (ss_name
, 0);
5859 seg_info (section
)->bss
= 1;
5861 /* Now set the flags. */
5862 bfd_set_section_flags (stdoutput
, section
, applicable
);
5864 /* Record any alignment request for this section. */
5865 record_alignment (section
, log2 (alignment
));
5867 /* Set the starting offset for this section. */
5868 bfd_set_section_vma (stdoutput
, section
,
5869 pa_subspace_start (space
, quadrant
));
5871 /* Now that all the flags are set, update an existing subspace,
5872 or create a new one. */
5875 current_subspace
= update_subspace (space
, ss_name
, loadable
,
5876 code_only
, common
, dup_common
,
5877 sort
, zero
, access
, space_index
,
5878 alignment
, quadrant
,
5881 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
5883 dup_common
, zero
, sort
,
5884 access
, space_index
,
5885 alignment
, quadrant
, section
);
5887 demand_empty_rest_of_line ();
5888 current_subspace
->ssd_seg
= section
;
5889 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
5891 SUBSPACE_DEFINED (current_subspace
) = 1;
5895 /* Create default space and subspace dictionaries. */
5902 space_dict_root
= NULL
;
5903 space_dict_last
= NULL
;
5906 while (pa_def_spaces
[i
].name
)
5910 /* Pick the right name to use for the new section. */
5911 name
= pa_def_spaces
[i
].name
;
5913 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
5914 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
5915 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
5916 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
5917 pa_def_spaces
[i
].segment
, 0);
5922 while (pa_def_subspaces
[i
].name
)
5925 int applicable
, subsegment
;
5926 asection
*segment
= NULL
;
5927 sd_chain_struct
*space
;
5929 /* Pick the right name for the new section and pick the right
5930 subsegment number. */
5931 name
= pa_def_subspaces
[i
].name
;
5934 /* Create the new section. */
5935 segment
= subseg_new (name
, subsegment
);
5938 /* For SOM we want to replace the standard .text, .data, and .bss
5939 sections with our own. We also want to set BFD flags for
5940 all the built-in subspaces. */
5941 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
5943 text_section
= segment
;
5944 applicable
= bfd_applicable_section_flags (stdoutput
);
5945 bfd_set_section_flags (stdoutput
, segment
,
5946 applicable
& (SEC_ALLOC
| SEC_LOAD
5947 | SEC_RELOC
| SEC_CODE
5949 | SEC_HAS_CONTENTS
));
5951 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
5953 data_section
= segment
;
5954 applicable
= bfd_applicable_section_flags (stdoutput
);
5955 bfd_set_section_flags (stdoutput
, segment
,
5956 applicable
& (SEC_ALLOC
| SEC_LOAD
5958 | SEC_HAS_CONTENTS
));
5962 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
5964 bss_section
= segment
;
5965 applicable
= bfd_applicable_section_flags (stdoutput
);
5966 bfd_set_section_flags (stdoutput
, segment
,
5967 applicable
& SEC_ALLOC
);
5969 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
5971 applicable
= bfd_applicable_section_flags (stdoutput
);
5972 bfd_set_section_flags (stdoutput
, segment
,
5973 applicable
& (SEC_ALLOC
| SEC_LOAD
5976 | SEC_HAS_CONTENTS
));
5978 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
5980 applicable
= bfd_applicable_section_flags (stdoutput
);
5981 bfd_set_section_flags (stdoutput
, segment
,
5982 applicable
& (SEC_ALLOC
| SEC_LOAD
5985 | SEC_HAS_CONTENTS
));
5987 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
5989 applicable
= bfd_applicable_section_flags (stdoutput
);
5990 bfd_set_section_flags (stdoutput
, segment
,
5991 applicable
& (SEC_ALLOC
| SEC_LOAD
5994 | SEC_HAS_CONTENTS
));
5997 /* Find the space associated with this subspace. */
5998 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
5999 def_space_index
].segment
);
6002 as_fatal (_("Internal error: Unable to find containing space for %s."),
6003 pa_def_subspaces
[i
].name
);
6006 create_new_subspace (space
, name
,
6007 pa_def_subspaces
[i
].loadable
,
6008 pa_def_subspaces
[i
].code_only
,
6009 pa_def_subspaces
[i
].common
,
6010 pa_def_subspaces
[i
].dup_common
,
6011 pa_def_subspaces
[i
].zero
,
6012 pa_def_subspaces
[i
].sort
,
6013 pa_def_subspaces
[i
].access
,
6014 pa_def_subspaces
[i
].space_index
,
6015 pa_def_subspaces
[i
].alignment
,
6016 pa_def_subspaces
[i
].quadrant
,
6024 /* Create a new space NAME, with the appropriate flags as defined
6025 by the given parameters. */
6027 static sd_chain_struct
*
6028 create_new_space (name
, spnum
, loadable
, defined
, private,
6029 sort
, seg
, user_defined
)
6039 sd_chain_struct
*chain_entry
;
6041 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
6043 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
6046 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
6047 strcpy (SPACE_NAME (chain_entry
), name
);
6048 SPACE_DEFINED (chain_entry
) = defined
;
6049 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
6050 SPACE_SPNUM (chain_entry
) = spnum
;
6052 chain_entry
->sd_seg
= seg
;
6053 chain_entry
->sd_last_subseg
= -1;
6054 chain_entry
->sd_subspaces
= NULL
;
6055 chain_entry
->sd_next
= NULL
;
6057 /* Find spot for the new space based on its sort key. */
6058 if (!space_dict_last
)
6059 space_dict_last
= chain_entry
;
6061 if (space_dict_root
== NULL
)
6062 space_dict_root
= chain_entry
;
6065 sd_chain_struct
*chain_pointer
;
6066 sd_chain_struct
*prev_chain_pointer
;
6068 chain_pointer
= space_dict_root
;
6069 prev_chain_pointer
= NULL
;
6071 while (chain_pointer
)
6073 prev_chain_pointer
= chain_pointer
;
6074 chain_pointer
= chain_pointer
->sd_next
;
6077 /* At this point we've found the correct place to add the new
6078 entry. So add it and update the linked lists as appropriate. */
6079 if (prev_chain_pointer
)
6081 chain_entry
->sd_next
= chain_pointer
;
6082 prev_chain_pointer
->sd_next
= chain_entry
;
6086 space_dict_root
= chain_entry
;
6087 chain_entry
->sd_next
= chain_pointer
;
6090 if (chain_entry
->sd_next
== NULL
)
6091 space_dict_last
= chain_entry
;
6094 /* This is here to catch predefined spaces which do not get
6095 modified by the user's input. Another call is found at
6096 the bottom of pa_parse_space_stmt to handle cases where
6097 the user modifies a predefined space. */
6098 #ifdef obj_set_section_attributes
6099 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
6105 /* Create a new subspace NAME, with the appropriate flags as defined
6106 by the given parameters.
6108 Add the new subspace to the subspace dictionary chain in numerical
6109 order as defined by the SORT entries. */
6111 static ssd_chain_struct
*
6112 create_new_subspace (space
, name
, loadable
, code_only
, common
,
6113 dup_common
, is_zero
, sort
, access
, space_index
,
6114 alignment
, quadrant
, seg
)
6115 sd_chain_struct
*space
;
6117 int loadable
, code_only
, common
, dup_common
, is_zero
;
6125 ssd_chain_struct
*chain_entry
;
6127 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
6129 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
6131 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
6132 strcpy (SUBSPACE_NAME (chain_entry
), name
);
6134 /* Initialize subspace_defined. When we hit a .subspace directive
6135 we'll set it to 1 which "locks-in" the subspace attributes. */
6136 SUBSPACE_DEFINED (chain_entry
) = 0;
6138 chain_entry
->ssd_subseg
= 0;
6139 chain_entry
->ssd_seg
= seg
;
6140 chain_entry
->ssd_next
= NULL
;
6142 /* Find spot for the new subspace based on its sort key. */
6143 if (space
->sd_subspaces
== NULL
)
6144 space
->sd_subspaces
= chain_entry
;
6147 ssd_chain_struct
*chain_pointer
;
6148 ssd_chain_struct
*prev_chain_pointer
;
6150 chain_pointer
= space
->sd_subspaces
;
6151 prev_chain_pointer
= NULL
;
6153 while (chain_pointer
)
6155 prev_chain_pointer
= chain_pointer
;
6156 chain_pointer
= chain_pointer
->ssd_next
;
6159 /* Now we have somewhere to put the new entry. Insert it and update
6161 if (prev_chain_pointer
)
6163 chain_entry
->ssd_next
= chain_pointer
;
6164 prev_chain_pointer
->ssd_next
= chain_entry
;
6168 space
->sd_subspaces
= chain_entry
;
6169 chain_entry
->ssd_next
= chain_pointer
;
6173 #ifdef obj_set_subsection_attributes
6174 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
6181 /* Update the information for the given subspace based upon the
6182 various arguments. Return the modified subspace chain entry. */
6184 static ssd_chain_struct
*
6185 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
6186 zero
, access
, space_index
, alignment
, quadrant
, section
)
6187 sd_chain_struct
*space
;
6201 ssd_chain_struct
*chain_entry
;
6203 chain_entry
= is_defined_subspace (name
);
6205 #ifdef obj_set_subsection_attributes
6206 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
6213 /* Return the space chain entry for the space with the name NAME or
6214 NULL if no such space exists. */
6216 static sd_chain_struct
*
6217 is_defined_space (name
)
6220 sd_chain_struct
*chain_pointer
;
6222 for (chain_pointer
= space_dict_root
;
6224 chain_pointer
= chain_pointer
->sd_next
)
6226 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
6227 return chain_pointer
;
6230 /* No mapping from segment to space was found. Return NULL. */
6234 /* Find and return the space associated with the given seg. If no mapping
6235 from the given seg to a space is found, then return NULL.
6237 Unlike subspaces, the number of spaces is not expected to grow much,
6238 so a linear exhaustive search is OK here. */
6240 static sd_chain_struct
*
6241 pa_segment_to_space (seg
)
6244 sd_chain_struct
*space_chain
;
6246 /* Walk through each space looking for the correct mapping. */
6247 for (space_chain
= space_dict_root
;
6249 space_chain
= space_chain
->sd_next
)
6251 if (space_chain
->sd_seg
== seg
)
6255 /* Mapping was not found. Return NULL. */
6259 /* Return the space chain entry for the subspace with the name NAME or
6260 NULL if no such subspace exists.
6262 Uses a linear search through all the spaces and subspaces, this may
6263 not be appropriate if we ever being placing each function in its
6266 static ssd_chain_struct
*
6267 is_defined_subspace (name
)
6270 sd_chain_struct
*space_chain
;
6271 ssd_chain_struct
*subspace_chain
;
6273 /* Walk through each space. */
6274 for (space_chain
= space_dict_root
;
6276 space_chain
= space_chain
->sd_next
)
6278 /* Walk through each subspace looking for a name which matches. */
6279 for (subspace_chain
= space_chain
->sd_subspaces
;
6281 subspace_chain
= subspace_chain
->ssd_next
)
6282 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
6283 return subspace_chain
;
6286 /* Subspace wasn't found. Return NULL. */
6290 /* Find and return the subspace associated with the given seg. If no
6291 mapping from the given seg to a subspace is found, then return NULL.
6293 If we ever put each procedure/function within its own subspace
6294 (to make life easier on the compiler and linker), then this will have
6295 to become more efficient. */
6297 static ssd_chain_struct
*
6298 pa_subsegment_to_subspace (seg
, subseg
)
6302 sd_chain_struct
*space_chain
;
6303 ssd_chain_struct
*subspace_chain
;
6305 /* Walk through each space. */
6306 for (space_chain
= space_dict_root
;
6308 space_chain
= space_chain
->sd_next
)
6310 if (space_chain
->sd_seg
== seg
)
6312 /* Walk through each subspace within each space looking for
6313 the correct mapping. */
6314 for (subspace_chain
= space_chain
->sd_subspaces
;
6316 subspace_chain
= subspace_chain
->ssd_next
)
6317 if (subspace_chain
->ssd_subseg
== (int) subseg
)
6318 return subspace_chain
;
6322 /* No mapping from subsegment to subspace found. Return NULL. */
6326 /* Given a number, try and find a space with the name number.
6328 Return a pointer to a space dictionary chain entry for the space
6329 that was found or NULL on failure. */
6331 static sd_chain_struct
*
6332 pa_find_space_by_number (number
)
6335 sd_chain_struct
*space_chain
;
6337 for (space_chain
= space_dict_root
;
6339 space_chain
= space_chain
->sd_next
)
6341 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
6345 /* No appropriate space found. Return NULL. */
6349 /* Return the starting address for the given subspace. If the starting
6350 address is unknown then return zero. */
6353 pa_subspace_start (space
, quadrant
)
6354 sd_chain_struct
*space
;
6357 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
6358 is not correct for the PA OSF1 port. */
6359 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
6361 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
6368 /* FIXME. Needs documentation. */
6370 pa_next_subseg (space
)
6371 sd_chain_struct
*space
;
6374 space
->sd_last_subseg
++;
6375 return space
->sd_last_subseg
;
6379 /* Helper function for pa_stringer. Used to find the end of
6386 unsigned int c
= *s
& CHAR_MASK
;
6389 /* We must have a valid space and subspace. */
6390 pa_check_current_space_and_subspace ();
6404 /* Handle a .STRING type pseudo-op. */
6407 pa_stringer (append_zero
)
6410 char *s
, num_buf
[4];
6414 /* Preprocess the string to handle PA-specific escape sequences.
6415 For example, \xDD where DD is a hexidecimal number should be
6416 changed to \OOO where OOO is an octal number. */
6418 /* Skip the opening quote. */
6419 s
= input_line_pointer
+ 1;
6421 while (is_a_char (c
= pa_stringer_aux (s
++)))
6428 /* Handle \x<num>. */
6431 unsigned int number
;
6436 /* Get pas the 'x'. */
6438 for (num_digit
= 0, number
= 0, dg
= *s
;
6440 && (isdigit (dg
) || (dg
>= 'a' && dg
<= 'f')
6441 || (dg
>= 'A' && dg
<= 'F'));
6445 number
= number
* 16 + dg
- '0';
6446 else if (dg
>= 'a' && dg
<= 'f')
6447 number
= number
* 16 + dg
- 'a' + 10;
6449 number
= number
* 16 + dg
- 'A' + 10;
6459 sprintf (num_buf
, "%02o", number
);
6462 sprintf (num_buf
, "%03o", number
);
6465 for (i
= 0; i
<= num_digit
; i
++)
6466 s_start
[i
] = num_buf
[i
];
6470 /* This might be a "\"", skip over the escaped char. */
6477 stringer (append_zero
);
6478 pa_undefine_label ();
6481 /* Handle a .VERSION pseudo-op. */
6488 pa_undefine_label ();
6493 /* Handle a .COMPILER pseudo-op. */
6496 pa_compiler (unused
)
6499 obj_som_compiler (0);
6500 pa_undefine_label ();
6505 /* Handle a .COPYRIGHT pseudo-op. */
6508 pa_copyright (unused
)
6512 pa_undefine_label ();
6515 /* Just like a normal cons, but when finished we have to undefine
6516 the latest space label. */
6523 pa_undefine_label ();
6526 /* Switch to the data space. As usual delete our label. */
6533 current_space
= is_defined_space ("$PRIVATE$");
6535 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6538 pa_undefine_label ();
6541 /* Like float_cons, but we need to undefine our label. */
6544 pa_float_cons (float_type
)
6547 float_cons (float_type
);
6548 pa_undefine_label ();
6551 /* Like s_fill, but delete our label when finished. */
6558 /* We must have a valid space and subspace. */
6559 pa_check_current_space_and_subspace ();
6563 pa_undefine_label ();
6566 /* Like lcomm, but delete our label when finished. */
6569 pa_lcomm (needs_align
)
6573 /* We must have a valid space and subspace. */
6574 pa_check_current_space_and_subspace ();
6577 s_lcomm (needs_align
);
6578 pa_undefine_label ();
6581 /* Like lsym, but delete our label when finished. */
6588 /* We must have a valid space and subspace. */
6589 pa_check_current_space_and_subspace ();
6593 pa_undefine_label ();
6596 /* Switch to the text space. Like s_text, but delete our
6597 label when finished. */
6603 current_space
= is_defined_space ("$TEXT$");
6605 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6609 pa_undefine_label ();
6612 /* On the PA relocations which involve function symbols must not be
6613 adjusted. This so that the linker can know when/how to create argument
6614 relocation stubs for indirect calls and calls to static functions.
6616 "T" field selectors create DLT relative fixups for accessing
6617 globals and statics in PIC code; each DLT relative fixup creates
6618 an entry in the DLT table. The entries contain the address of
6619 the final target (eg accessing "foo" would create a DLT entry
6620 with the address of "foo").
6622 Unfortunately, the HP linker doesn't take into account any addend
6623 when generating the DLT; so accessing $LIT$+8 puts the address of
6624 $LIT$ into the DLT rather than the address of $LIT$+8.
6626 The end result is we can't perform relocation symbol reductions for
6627 any fixup which creates entries in the DLT (eg they use "T" field
6630 Reject reductions involving symbols with external scope; such
6631 reductions make life a living hell for object file editors.
6633 FIXME. Also reject R_HPPA relocations which are 32bits wide in
6634 the code space. The SOM BFD backend doesn't know how to pull the
6635 right bits out of an instruction. */
6638 hppa_fix_adjustable (fixp
)
6641 struct hppa_fix_struct
*hppa_fix
;
6643 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
6646 /* Reject reductions of symbols in 32bit relocs. */
6647 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
6650 /* Reject reductions of symbols in sym1-sym2 expressions when
6651 the fixup will occur in a CODE subspace.
6653 XXX FIXME: Long term we probably want to reject all of these;
6654 for example reducing in the debug section would lose if we ever
6655 supported using the optimizing hp linker. */
6658 && (hppa_fix
->segment
->flags
& SEC_CODE
))
6660 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
6661 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
6665 /* We can't adjust any relocs that use LR% and RR% field selectors.
6666 That confuses the HP linker. */
6667 if (hppa_fix
->fx_r_field
== e_lrsel
6668 || hppa_fix
->fx_r_field
== e_rrsel
6669 || hppa_fix
->fx_r_field
== e_nlrsel
)
6673 /* Reject reductions of symbols in DLT relative relocs,
6674 relocations with plabels. */
6675 if (hppa_fix
->fx_r_field
== e_tsel
6676 || hppa_fix
->fx_r_field
== e_ltsel
6677 || hppa_fix
->fx_r_field
== e_rtsel
6678 || hppa_fix
->fx_r_field
== e_psel
6679 || hppa_fix
->fx_r_field
== e_rpsel
6680 || hppa_fix
->fx_r_field
== e_lpsel
)
6683 if (fixp
->fx_addsy
&& S_IS_EXTERNAL (fixp
->fx_addsy
))
6686 /* Reject absolute calls (jumps). */
6687 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
6690 /* Reject reductions of function symbols. */
6691 if (fixp
->fx_addsy
== 0 || ! S_IS_FUNCTION (fixp
->fx_addsy
))
6697 /* Return nonzero if the fixup in FIXP will require a relocation,
6698 even it if appears that the fixup could be completely handled
6702 hppa_force_relocation (fixp
)
6705 struct hppa_fix_struct
*hppa_fixp
;
6708 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
6710 if (fixp
->fx_r_type
== R_HPPA_ENTRY
|| fixp
->fx_r_type
== R_HPPA_EXIT
6711 || fixp
->fx_r_type
== R_HPPA_BEGIN_BRTAB
6712 || fixp
->fx_r_type
== R_HPPA_END_BRTAB
6713 || fixp
->fx_r_type
== R_HPPA_BEGIN_TRY
6714 || fixp
->fx_r_type
== R_HPPA_END_TRY
6715 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
6716 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
6720 #define arg_reloc_stub_needed(CALLER, CALLEE) \
6721 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
6724 /* It is necessary to force PC-relative calls/jumps to have a relocation
6725 entry if they're going to need either a argument relocation or long
6726 call stub. FIXME. Can't we need the same for absolute calls? */
6727 if (fixp
->fx_pcrel
&& fixp
->fx_addsy
6728 && (arg_reloc_stub_needed ((long) ((obj_symbol_type
*)
6729 symbol_get_bfdsym (fixp
->fx_addsy
))->tc_data
.ap
.hppa_arg_reloc
,
6730 hppa_fixp
->fx_arg_reloc
)))
6733 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
6734 - md_pcrel_from (fixp
));
6735 /* Now check and see if we're going to need a long-branch stub. */
6736 if (fixp
->fx_r_type
== R_HPPA_PCREL_CALL
6737 && (distance
> 262143 || distance
< -262144))
6740 if (fixp
->fx_r_type
== R_HPPA_ABS_CALL
)
6742 #undef arg_reloc_stub_needed
6744 /* No need (yet) to force another relocations to be emitted. */
6748 /* Now for some ELF specific code. FIXME. */
6750 /* Mark the end of a function so that it's possible to compute
6751 the size of the function in hppa_elf_final_processing. */
6754 hppa_elf_mark_end_of_function ()
6756 /* ELF does not have EXIT relocations. All we do is create a
6757 temporary symbol marking the end of the function. */
6758 char *name
= (char *)
6759 xmalloc (strlen ("L$\001end_") +
6760 strlen (S_GET_NAME (last_call_info
->start_symbol
)) + 1);
6766 strcpy (name
, "L$\001end_");
6767 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6769 /* If we have a .exit followed by a .procend, then the
6770 symbol will have already been defined. */
6771 symbolP
= symbol_find (name
);
6774 /* The symbol has already been defined! This can
6775 happen if we have a .exit followed by a .procend.
6777 This is *not* an error. All we want to do is free
6778 the memory we just allocated for the name and continue. */
6783 /* symbol value should be the offset of the
6784 last instruction of the function */
6785 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6789 S_CLEAR_EXTERNAL (symbolP
);
6790 symbol_table_insert (symbolP
);
6794 last_call_info
->end_symbol
= symbolP
;
6796 as_bad (_("Symbol '%s' could not be created."), name
);
6800 as_bad (_("No memory for symbol name."));
6804 /* For ELF, this function serves one purpose: to setup the st_size
6805 field of STT_FUNC symbols. To do this, we need to scan the
6806 call_info structure list, determining st_size in by taking the
6807 difference in the address of the beginning/end marker symbols. */
6810 elf_hppa_final_processing ()
6812 struct call_info
*call_info_pointer
;
6814 for (call_info_pointer
= call_info_root
;
6816 call_info_pointer
= call_info_pointer
->ci_next
)
6818 elf_symbol_type
*esym
6819 = ((elf_symbol_type
*)
6820 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
6821 esym
->internal_elf_sym
.st_size
=
6822 S_GET_VALUE (call_info_pointer
->end_symbol
)
6823 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;