1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989, 93, 94, 95, 96, 97, 98, 99, 2000
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"
34 /* Be careful, this file includes data *declarations*. */
35 #include "opcode/hppa.h"
37 #if defined (OBJ_ELF) && defined (OBJ_SOM)
38 error only one of OBJ_ELF
and OBJ_SOM can be defined
41 /* If we are using ELF, then we probably can support dwarf2 debug
42 records. Furthermore, if we are supporting dwarf2 debug records,
43 then we want to use the assembler support for compact line numbers. */
45 #include "dwarf2dbg.h"
46 struct dwarf2_line_info debug_line
;
48 /* A "convient" place to put object file dependencies which do
49 not need to be seen outside of tc-hppa.c. */
51 /* Object file formats specify relocation types. */
52 typedef enum elf_hppa_reloc_type reloc_type
;
54 /* Object file formats specify BFD symbol types. */
55 typedef elf_symbol_type obj_symbol_type
;
56 #define symbol_arg_reloc_info(sym)\
57 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
59 #if TARGET_ARCH_SIZE == 64
60 /* How to generate a relocation. */
61 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
63 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
66 /* ELF objects can have versions, but apparently do not have anywhere
67 to store a copyright string. */
68 #define obj_version obj_elf_version
69 #define obj_copyright obj_elf_version
71 #define UNWIND_SECTION_NAME ".PARISC.unwind"
75 /* Names of various debugging spaces/subspaces. */
76 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
77 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
78 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
79 #define UNWIND_SECTION_NAME "$UNWIND$"
81 /* Object file formats specify relocation types. */
82 typedef int reloc_type
;
84 /* SOM objects can have both a version string and a copyright string. */
85 #define obj_version obj_som_version
86 #define obj_copyright obj_som_copyright
88 /* How to generate a relocation. */
89 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
91 /* Object file formats specify BFD symbol types. */
92 typedef som_symbol_type obj_symbol_type
;
93 #define symbol_arg_reloc_info(sym)\
94 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
96 /* This apparently isn't in older versions of hpux reloc.h. */
98 #define R_DLT_REL 0x78
110 /* Various structures and types used internally in tc-hppa.c. */
112 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
116 unsigned int cannot_unwind
:1;
117 unsigned int millicode
:1;
118 unsigned int millicode_save_rest
:1;
119 unsigned int region_desc
:2;
120 unsigned int save_sr
:2;
121 unsigned int entry_fr
:4;
122 unsigned int entry_gr
:5;
123 unsigned int args_stored
:1;
124 unsigned int call_fr
:5;
125 unsigned int call_gr
:5;
126 unsigned int save_sp
:1;
127 unsigned int save_rp
:1;
128 unsigned int save_rp_in_frame
:1;
129 unsigned int extn_ptr_defined
:1;
130 unsigned int cleanup_defined
:1;
132 unsigned int hpe_interrupt_marker
:1;
133 unsigned int hpux_interrupt_marker
:1;
134 unsigned int reserved
:3;
135 unsigned int frame_size
:27;
140 /* Starting and ending offsets of the region described by
142 unsigned int start_offset
;
143 unsigned int end_offset
;
144 struct unwind_desc descriptor
;
147 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
148 control the entry and exit code they generate. It is also used in
149 creation of the correct stack unwind descriptors.
151 NOTE: GAS does not support .enter and .leave for the generation of
152 prologues and epilogues. FIXME.
154 The fields in structure roughly correspond to the arguments available on the
155 .callinfo pseudo-op. */
159 /* The unwind descriptor being built. */
160 struct unwind_table ci_unwind
;
162 /* Name of this function. */
163 symbolS
*start_symbol
;
165 /* (temporary) symbol used to mark the end of this function. */
168 /* Next entry in the chain. */
169 struct call_info
*ci_next
;
172 /* Operand formats for FP instructions. Note not all FP instructions
173 allow all four formats to be used (for example fmpysub only allows
177 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
181 /* This fully describes the symbol types which may be attached to
182 an EXPORT or IMPORT directive. Only SOM uses this formation
183 (ELF has no need for it). */
187 SYMBOL_TYPE_ABSOLUTE
,
191 SYMBOL_TYPE_MILLICODE
,
193 SYMBOL_TYPE_PRI_PROG
,
194 SYMBOL_TYPE_SEC_PROG
,
198 /* This structure contains information needed to assemble
199 individual instructions. */
202 /* Holds the opcode after parsing by pa_ip. */
203 unsigned long opcode
;
205 /* Holds an expression associated with the current instruction. */
208 /* Does this instruction use PC-relative addressing. */
211 /* Floating point formats for operand1 and operand2. */
212 fp_operand_format fpof1
;
213 fp_operand_format fpof2
;
215 /* Whether or not we saw a truncation request on an fcnv insn. */
218 /* Holds the field selector for this instruction
219 (for example L%, LR%, etc). */
222 /* Holds any argument relocation bits associated with this
223 instruction. (instruction should be some sort of call). */
224 unsigned int arg_reloc
;
226 /* The format specification for this instruction. */
229 /* The relocation (if any) associated with this instruction. */
233 /* PA-89 floating point registers are arranged like this:
236 +--------------+--------------+
237 | 0 or 16L | 16 or 16R |
238 +--------------+--------------+
239 | 1 or 17L | 17 or 17R |
240 +--------------+--------------+
248 +--------------+--------------+
249 | 14 or 30L | 30 or 30R |
250 +--------------+--------------+
251 | 15 or 31L | 31 or 31R |
252 +--------------+--------------+
255 The following is a version of pa_parse_number that
256 handles the L/R notation and returns the correct
257 value to put into the instruction register field.
258 The correct value to put into the instruction is
259 encoded in the structure 'pa_11_fp_reg_struct'. */
261 struct pa_11_fp_reg_struct
263 /* The register number. */
270 /* Additional information needed to build argument relocation stubs. */
273 /* The argument relocation specification. */
274 unsigned int arg_reloc
;
276 /* Number of arguments. */
277 unsigned int arg_count
;
281 /* This structure defines an entry in the subspace dictionary
284 struct subspace_dictionary_chain
286 /* Nonzero if this space has been defined by the user code. */
287 unsigned int ssd_defined
;
289 /* Name of this subspace. */
292 /* GAS segment and subsegment associated with this subspace. */
296 /* Next space in the subspace dictionary chain. */
297 struct subspace_dictionary_chain
*ssd_next
;
300 typedef struct subspace_dictionary_chain ssd_chain_struct
;
302 /* This structure defines an entry in the subspace dictionary
305 struct space_dictionary_chain
307 /* Nonzero if this space has been defined by the user code or
308 as a default space. */
309 unsigned int sd_defined
;
311 /* Nonzero if this spaces has been defined by the user code. */
312 unsigned int sd_user_defined
;
314 /* The space number (or index). */
315 unsigned int sd_spnum
;
317 /* The name of this subspace. */
320 /* GAS segment to which this subspace corresponds. */
323 /* Current subsegment number being used. */
326 /* The chain of subspaces contained within this space. */
327 ssd_chain_struct
*sd_subspaces
;
329 /* The next entry in the space dictionary chain. */
330 struct space_dictionary_chain
*sd_next
;
333 typedef struct space_dictionary_chain sd_chain_struct
;
335 /* This structure defines attributes of the default subspace
336 dictionary entries. */
338 struct default_subspace_dict
340 /* Name of the subspace. */
343 /* FIXME. Is this still needed? */
346 /* Nonzero if this subspace is loadable. */
349 /* Nonzero if this subspace contains only code. */
352 /* Nonzero if this is a common subspace. */
355 /* Nonzero if this is a common subspace which allows symbols
356 to be multiply defined. */
359 /* Nonzero if this subspace should be zero filled. */
362 /* Sort key for this subspace. */
365 /* Access control bits for this subspace. Can represent RWX access
366 as well as privilege level changes for gateways. */
369 /* Index of containing space. */
372 /* Alignment (in bytes) of this subspace. */
375 /* Quadrant within space where this subspace should be loaded. */
378 /* An index into the default spaces array. */
381 /* Subsegment associated with this subspace. */
385 /* This structure defines attributes of the default space
386 dictionary entries. */
388 struct default_space_dict
390 /* Name of the space. */
393 /* Space number. It is possible to identify spaces within
394 assembly code numerically! */
397 /* Nonzero if this space is loadable. */
400 /* Nonzero if this space is "defined". FIXME is still needed */
403 /* Nonzero if this space can not be shared. */
406 /* Sort key for this space. */
409 /* Segment associated with this space. */
414 /* Structure for previous label tracking. Needed so that alignments,
415 callinfo declarations, etc can be easily attached to a particular
417 typedef struct label_symbol_struct
419 struct symbol
*lss_label
;
421 sd_chain_struct
*lss_space
;
426 struct label_symbol_struct
*lss_next
;
430 /* Extra information needed to perform fixups (relocations) on the PA. */
431 struct hppa_fix_struct
433 /* The field selector. */
434 enum hppa_reloc_field_selector_type_alt fx_r_field
;
439 /* Format of fixup. */
442 /* Argument relocation bits. */
443 unsigned int fx_arg_reloc
;
445 /* The segment this fixup appears in. */
449 /* Structure to hold information about predefined registers. */
457 /* This structure defines the mapping from a FP condition string
458 to a condition number which can be recorded in an instruction. */
465 /* This structure defines a mapping from a field selector
466 string to a field selector type. */
467 struct selector_entry
473 /* Prototypes for functions local to tc-hppa.c. */
476 static void pa_check_current_space_and_subspace
PARAMS ((void));
479 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
480 static void pa_text
PARAMS ((int));
481 static void pa_data
PARAMS ((int));
482 static void pa_comm
PARAMS ((int));
484 static fp_operand_format pa_parse_fp_format
PARAMS ((char **s
));
485 static void pa_cons
PARAMS ((int));
486 static void pa_float_cons
PARAMS ((int));
487 static void pa_fill
PARAMS ((int));
488 static void pa_lcomm
PARAMS ((int));
489 static void pa_lsym
PARAMS ((int));
490 static void pa_stringer
PARAMS ((int));
491 static void pa_version
PARAMS ((int));
492 static int pa_parse_fp_cmp_cond
PARAMS ((char **));
493 static int get_expression
PARAMS ((char *));
494 static int pa_get_absolute_expression
PARAMS ((struct pa_it
*, char **));
495 static int evaluate_absolute
PARAMS ((struct pa_it
*));
496 static unsigned int pa_build_arg_reloc
PARAMS ((char *));
497 static unsigned int pa_align_arg_reloc
PARAMS ((unsigned int, unsigned int));
498 static int pa_parse_nullif
PARAMS ((char **));
499 static int pa_parse_nonneg_cmpsub_cmpltr
PARAMS ((char **, int));
500 static int pa_parse_neg_cmpsub_cmpltr
PARAMS ((char **, int));
501 static int pa_parse_neg_add_cmpltr
PARAMS ((char **, int));
502 static int pa_parse_nonneg_add_cmpltr
PARAMS ((char **, int));
503 static int pa_parse_cmpb_64_cmpltr
PARAMS ((char **));
504 static int pa_parse_cmpib_64_cmpltr
PARAMS ((char **));
505 static int pa_parse_addb_64_cmpltr
PARAMS ((char **));
506 static void pa_block
PARAMS ((int));
507 static void pa_brtab
PARAMS ((int));
508 static void pa_try
PARAMS ((int));
509 static void pa_call
PARAMS ((int));
510 static void pa_call_args
PARAMS ((struct call_desc
*));
511 static void pa_callinfo
PARAMS ((int));
512 static void pa_copyright
PARAMS ((int));
513 static void pa_end
PARAMS ((int));
514 static void pa_enter
PARAMS ((int));
515 static void pa_entry
PARAMS ((int));
516 static void pa_equ
PARAMS ((int));
517 static void pa_exit
PARAMS ((int));
518 static void pa_export
PARAMS ((int));
519 static void pa_type_args
PARAMS ((symbolS
*, int));
520 static void pa_import
PARAMS ((int));
521 static void pa_label
PARAMS ((int));
522 static void pa_leave
PARAMS ((int));
523 static void pa_level
PARAMS ((int));
524 static void pa_origin
PARAMS ((int));
525 static void pa_proc
PARAMS ((int));
526 static void pa_procend
PARAMS ((int));
527 static void pa_param
PARAMS ((int));
528 static void pa_undefine_label
PARAMS ((void));
529 static int need_pa11_opcode
PARAMS ((struct pa_it
*,
530 struct pa_11_fp_reg_struct
*));
531 static int pa_parse_number
PARAMS ((char **, struct pa_11_fp_reg_struct
*));
532 static label_symbol_struct
*pa_get_label
PARAMS ((void));
534 static int log2
PARAMS ((int));
535 static void pa_compiler
PARAMS ((int));
536 static void pa_align
PARAMS ((int));
537 static void pa_space
PARAMS ((int));
538 static void pa_spnum
PARAMS ((int));
539 static void pa_subspace
PARAMS ((int));
540 static sd_chain_struct
*create_new_space
PARAMS ((char *, int, int,
543 static ssd_chain_struct
*create_new_subspace
PARAMS ((sd_chain_struct
*,
548 static ssd_chain_struct
*update_subspace
PARAMS ((sd_chain_struct
*,
549 char *, int, int, int,
553 static sd_chain_struct
*is_defined_space
PARAMS ((char *));
554 static ssd_chain_struct
*is_defined_subspace
PARAMS ((char *));
555 static sd_chain_struct
*pa_segment_to_space
PARAMS ((asection
*));
556 static ssd_chain_struct
*pa_subsegment_to_subspace
PARAMS ((asection
*,
558 static sd_chain_struct
*pa_find_space_by_number
PARAMS ((int));
559 static unsigned int pa_subspace_start
PARAMS ((sd_chain_struct
*, int));
560 static sd_chain_struct
*pa_parse_space_stmt
PARAMS ((char *, int));
561 static int pa_next_subseg
PARAMS ((sd_chain_struct
*));
562 static void pa_spaces_begin
PARAMS ((void));
564 static void pa_ip
PARAMS ((char *));
565 static void fix_new_hppa
PARAMS ((fragS
*, int, int, symbolS
*,
566 offsetT
, expressionS
*, int,
567 bfd_reloc_code_real_type
,
568 enum hppa_reloc_field_selector_type_alt
,
569 int, unsigned int, int *));
570 static int is_end_of_statement
PARAMS ((void));
571 static int reg_name_search
PARAMS ((char *));
572 static int pa_chk_field_selector
PARAMS ((char **));
573 static int is_same_frag
PARAMS ((fragS
*, fragS
*));
574 static void process_exit
PARAMS ((void));
575 static unsigned int pa_stringer_aux
PARAMS ((char *));
576 static fp_operand_format pa_parse_fp_cnv_format
PARAMS ((char **s
));
577 static int pa_parse_ftest_gfx_completer
PARAMS ((char **));
580 static void hppa_elf_mark_end_of_function
PARAMS ((void));
581 static void pa_build_unwind_subspace
PARAMS ((struct call_info
*));
584 /* File and gloally scoped variable declarations. */
587 /* Root and final entry in the space chain. */
588 static sd_chain_struct
*space_dict_root
;
589 static sd_chain_struct
*space_dict_last
;
591 /* The current space and subspace. */
592 static sd_chain_struct
*current_space
;
593 static ssd_chain_struct
*current_subspace
;
596 /* Root of the call_info chain. */
597 static struct call_info
*call_info_root
;
599 /* The last call_info (for functions) structure
600 seen so it can be associated with fixups and
602 static struct call_info
*last_call_info
;
604 /* The last call description (for actual calls). */
605 static struct call_desc last_call_desc
;
607 /* handle of the OPCODE hash table */
608 static struct hash_control
*op_hash
= NULL
;
610 /* Table of pseudo ops for the PA. FIXME -- how many of these
611 are now redundant with the overall GAS and the object file
613 const pseudo_typeS md_pseudo_table
[] =
615 /* align pseudo-ops on the PA specify the actual alignment requested,
616 not the log2 of the requested alignment. */
618 {"align", pa_align
, 8},
621 {"align", s_align_bytes
, 8},
623 {"begin_brtab", pa_brtab
, 1},
624 {"begin_try", pa_try
, 1},
625 {"block", pa_block
, 1},
626 {"blockz", pa_block
, 0},
627 {"byte", pa_cons
, 1},
628 {"call", pa_call
, 0},
629 {"callinfo", pa_callinfo
, 0},
630 #if defined (OBJ_ELF) && defined (TE_LINUX)
631 {"code", obj_elf_text
, 0},
633 {"code", pa_text
, 0},
634 {"comm", pa_comm
, 0},
637 {"compiler", pa_compiler
, 0},
639 {"copyright", pa_copyright
, 0},
640 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
641 {"data", pa_data
, 0},
643 {"double", pa_float_cons
, 'd'},
644 {"dword", pa_cons
, 8},
646 {"end_brtab", pa_brtab
, 0},
647 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
648 {"end_try", pa_try
, 0},
650 {"enter", pa_enter
, 0},
651 {"entry", pa_entry
, 0},
653 {"exit", pa_exit
, 0},
654 {"export", pa_export
, 0},
656 {"file", dwarf2_directive_file
, 0 },
658 {"fill", pa_fill
, 0},
659 {"float", pa_float_cons
, 'f'},
660 {"half", pa_cons
, 2},
661 {"import", pa_import
, 0},
663 {"label", pa_label
, 0},
664 {"lcomm", pa_lcomm
, 0},
665 {"leave", pa_leave
, 0},
666 {"level", pa_level
, 0},
668 {"loc", dwarf2_directive_loc
, 0 },
670 {"long", pa_cons
, 4},
671 {"lsym", pa_lsym
, 0},
673 {"nsubspa", pa_subspace
, 1},
675 {"octa", pa_cons
, 16},
676 {"org", pa_origin
, 0},
677 {"origin", pa_origin
, 0},
678 {"param", pa_param
, 0},
679 {"proc", pa_proc
, 0},
680 {"procend", pa_procend
, 0},
681 {"quad", pa_cons
, 8},
683 {"short", pa_cons
, 2},
684 {"single", pa_float_cons
, 'f'},
686 {"space", pa_space
, 0},
687 {"spnum", pa_spnum
, 0},
689 {"string", pa_stringer
, 0},
690 {"stringz", pa_stringer
, 1},
692 {"subspa", pa_subspace
, 0},
694 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
695 {"text", pa_text
, 0},
697 {"version", pa_version
, 0},
698 {"word", pa_cons
, 4},
702 /* This array holds the chars that only start a comment at the beginning of
703 a line. If the line seems to have the form '# 123 filename'
704 .line and .file directives will appear in the pre-processed output.
706 Note that input_file.c hand checks for '#' at the beginning of the
707 first line of the input file. This is because the compiler outputs
708 #NO_APP at the beginning of its output.
710 Also note that C style comments will always work. */
711 const char line_comment_chars
[] = "#";
713 /* This array holds the chars that always start a comment. If the
714 pre-processor is disabled, these aren't very useful. */
715 const char comment_chars
[] = ";";
717 /* This array holds the characters which act as line separators. */
718 const char line_separator_chars
[] = "!";
720 /* Chars that can be used to separate mant from exp in floating point nums. */
721 const char EXP_CHARS
[] = "eE";
723 /* Chars that mean this number is a floating point constant.
724 As in 0f12.456 or 0d1.2345e12.
726 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
727 changed in read.c. Ideally it shouldn't hae to know abou it at
728 all, but nothing is ideal around here. */
729 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
731 static struct pa_it the_insn
;
733 /* Points to the end of an expression just parsed by get_expressoin
734 and friends. FIXME. This shouldn't be handled with a file-global
736 static char *expr_end
;
738 /* Nonzero if a .callinfo appeared within the current procedure. */
739 static int callinfo_found
;
741 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
742 static int within_entry_exit
;
744 /* Nonzero if the assembler is currently within a procedure definition. */
745 static int within_procedure
;
747 /* Handle on structure which keep track of the last symbol
748 seen in each subspace. */
749 static label_symbol_struct
*label_symbols_rootp
= NULL
;
751 /* Holds the last field selector. */
752 static int hppa_field_selector
;
754 /* Nonzero when strict syntax checking is enabled. Zero otherwise.
756 Each opcode in the table has a flag which indicates whether or not
757 strict syntax checking should be enabled for that instruction. */
758 static int strict
= 0;
761 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
762 static symbolS
*dummy_symbol
;
765 /* Nonzero if errors are to be printed. */
766 static int print_errors
= 1;
768 /* List of registers that are pre-defined:
770 Each general register has one predefined name of the form
771 %r<REGNUM> which has the value <REGNUM>.
773 Space and control registers are handled in a similar manner,
774 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
776 Likewise for the floating point registers, but of the form
777 %fr<REGNUM>. Floating point registers have additional predefined
778 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
779 again have the value <REGNUM>.
781 Many registers also have synonyms:
783 %r26 - %r23 have %arg0 - %arg3 as synonyms
784 %r28 - %r29 have %ret0 - %ret1 as synonyms
785 %r30 has %sp as a synonym
786 %r27 has %dp as a synonym
787 %r2 has %rp as a synonym
789 Almost every control register has a synonym; they are not listed
792 The table is sorted. Suitable for searching by a binary search. */
794 static const struct pd_reg pre_defined_registers
[] =
994 /* This table is sorted by order of the length of the string. This is
995 so we check for <> before we check for <. If we had a <> and checked
996 for < first, we would get a false match. */
997 static const struct fp_cond_map fp_cond_map
[] =
1033 static const struct selector_entry selector_table
[] =
1058 /* default space and subspace dictionaries */
1060 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1061 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1063 /* pre-defined subsegments (subspaces) for the HPPA. */
1064 #define SUBSEG_CODE 0
1065 #define SUBSEG_LIT 1
1066 #define SUBSEG_MILLI 2
1067 #define SUBSEG_DATA 0
1068 #define SUBSEG_BSS 2
1069 #define SUBSEG_UNWIND 3
1070 #define SUBSEG_GDB_STRINGS 0
1071 #define SUBSEG_GDB_SYMBOLS 1
1073 static struct default_subspace_dict pa_def_subspaces
[] =
1075 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1076 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1077 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1078 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1079 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1080 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1083 static struct default_space_dict pa_def_spaces
[] =
1085 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1086 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1087 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1090 /* Misc local definitions used by the assembler. */
1092 /* These macros are used to maintain spaces/subspaces. */
1093 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1094 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1095 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1096 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1098 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1099 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1102 /* Return nonzero if the string pointed to by S potentially represents
1103 a right or left half of a FP register */
1104 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1105 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1107 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1108 main loop after insertion. */
1110 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1112 ((OPCODE) |= (FIELD) << (START)); \
1116 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1117 IGNORE is used to suppress the error message. */
1119 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1121 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1124 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1130 /* Simple alignment checking for FIELD againt ALIGN (a power of two).
1131 IGNORE is used to suppress the error message. */
1133 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1135 if ((FIELD) & ((ALIGN) - 1)) \
1138 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1144 #define is_DP_relative(exp) \
1145 ((exp).X_op == O_subtract \
1146 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1148 #define is_PC_relative(exp) \
1149 ((exp).X_op == O_subtract \
1150 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1152 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1153 always be able to reduce the expression to a constant, so we don't
1154 need real complex handling yet. */
1155 #define is_complex(exp) \
1156 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1158 /* Actual functions to implement the PA specific code for the assembler. */
1160 /* Called before writing the object file. Make sure entry/exit and
1161 proc/procend pairs match. */
1166 if (within_entry_exit
)
1167 as_fatal (_("Missing .exit\n"));
1169 if (within_procedure
)
1170 as_fatal (_("Missing .procend\n"));
1173 /* Returns a pointer to the label_symbol_struct for the current space.
1174 or NULL if no label_symbol_struct exists for the current space. */
1176 static label_symbol_struct
*
1179 label_symbol_struct
*label_chain
;
1181 for (label_chain
= label_symbols_rootp
;
1183 label_chain
= label_chain
->lss_next
)
1186 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1190 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1198 /* Defines a label for the current space. If one is already defined,
1199 this function will replace it with the new label. */
1202 pa_define_label (symbol
)
1205 label_symbol_struct
*label_chain
= pa_get_label ();
1208 label_chain
->lss_label
= symbol
;
1211 /* Create a new label entry and add it to the head of the chain. */
1213 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1214 label_chain
->lss_label
= symbol
;
1216 label_chain
->lss_space
= current_space
;
1219 label_chain
->lss_segment
= now_seg
;
1221 label_chain
->lss_next
= NULL
;
1223 if (label_symbols_rootp
)
1224 label_chain
->lss_next
= label_symbols_rootp
;
1226 label_symbols_rootp
= label_chain
;
1230 /* Removes a label definition for the current space.
1231 If there is no label_symbol_struct entry, then no action is taken. */
1234 pa_undefine_label ()
1236 label_symbol_struct
*label_chain
;
1237 label_symbol_struct
*prev_label_chain
= NULL
;
1239 for (label_chain
= label_symbols_rootp
;
1241 label_chain
= label_chain
->lss_next
)
1245 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1248 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1252 /* Remove the label from the chain and free its memory. */
1253 if (prev_label_chain
)
1254 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1256 label_symbols_rootp
= label_chain
->lss_next
;
1261 prev_label_chain
= label_chain
;
1266 /* An HPPA-specific version of fix_new. This is required because the HPPA
1267 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1268 results in the creation of an instance of an hppa_fix_struct. An
1269 hppa_fix_struct stores the extra information along with a pointer to the
1270 original fixS. This is attached to the original fixup via the
1271 tc_fix_data field. */
1274 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1275 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1279 symbolS
*add_symbol
;
1283 bfd_reloc_code_real_type r_type
;
1284 enum hppa_reloc_field_selector_type_alt r_field
;
1286 unsigned int arg_reloc
;
1287 int* unwind_bits ATTRIBUTE_UNUSED
;
1291 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1292 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1295 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1297 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1298 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1299 hppa_fix
->fx_r_type
= r_type
;
1300 hppa_fix
->fx_r_field
= r_field
;
1301 hppa_fix
->fx_r_format
= r_format
;
1302 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1303 hppa_fix
->segment
= now_seg
;
1305 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1306 new_fix
->fx_offset
= *unwind_bits
;
1309 /* foo-$global$ is used to access non-automatic storage. $global$
1310 is really just a marker and has served its purpose, so eliminate
1311 it now so as not to confuse write.c. */
1312 if (new_fix
->fx_subsy
1313 && !strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$"))
1314 new_fix
->fx_subsy
= NULL
;
1317 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1318 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1321 parse_cons_expression_hppa (exp
)
1324 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1328 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1329 hppa_field_selector is set by the parse_cons_expression_hppa. */
1332 cons_fix_new_hppa (frag
, where
, size
, exp
)
1338 unsigned int rel_type
;
1340 /* Get a base relocation type. */
1341 if (is_DP_relative (*exp
))
1342 rel_type
= R_HPPA_GOTOFF
;
1343 else if (is_complex (*exp
))
1344 rel_type
= R_HPPA_COMPLEX
;
1348 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1350 as_warn (_("Invalid field selector. Assuming F%%."));
1351 hppa_field_selector
= e_fsel
;
1354 fix_new_hppa (frag
, where
, size
,
1355 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1356 hppa_field_selector
, size
* 8, 0, NULL
);
1358 /* Reset field selector to its default state. */
1359 hppa_field_selector
= 0;
1362 /* This function is called once, at assembler startup time. It should
1363 set up all the tables, etc. that the MD part of the assembler will need. */
1368 const char *retval
= NULL
;
1372 last_call_info
= NULL
;
1373 call_info_root
= NULL
;
1375 /* Set the default machine type. */
1376 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
1377 as_warn (_("could not set architecture and machine"));
1379 /* Folding of text and data segments fails miserably on the PA.
1380 Warn user and disable "-R" option. */
1381 if (flag_readonly_data_in_text
)
1383 as_warn (_("-R option not supported on this target."));
1384 flag_readonly_data_in_text
= 0;
1391 op_hash
= hash_new ();
1393 while (i
< NUMOPCODES
)
1395 const char *name
= pa_opcodes
[i
].name
;
1396 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1397 if (retval
!= NULL
&& *retval
!= '\0')
1399 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1404 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1405 != pa_opcodes
[i
].match
)
1407 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1408 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1413 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1417 as_fatal (_("Broken assembler. No assembly attempted."));
1420 /* SOM will change text_section. To make sure we never put
1421 anything into the old one switch to the new one now. */
1422 subseg_set (text_section
, 0);
1426 dummy_symbol
= symbol_find_or_make ("L$dummy");
1427 S_SET_SEGMENT (dummy_symbol
, text_section
);
1428 /* Force the symbol to be converted to a real symbol. */
1429 (void) symbol_get_bfdsym (dummy_symbol
);
1433 /* Assemble a single instruction storing it into a frag. */
1440 /* The had better be something to assemble. */
1443 /* If we are within a procedure definition, make sure we've
1444 defined a label for the procedure; handle case where the
1445 label was defined after the .PROC directive.
1447 Note there's not need to diddle with the segment or fragment
1448 for the label symbol in this case. We have already switched
1449 into the new $CODE$ subspace at this point. */
1450 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1452 label_symbol_struct
*label_symbol
= pa_get_label ();
1456 if (label_symbol
->lss_label
)
1458 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1459 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1462 /* Also handle allocation of a fixup to hold the unwind
1463 information when the label appears after the proc/procend. */
1464 if (within_entry_exit
)
1466 char *where
= frag_more (0);
1468 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1469 NULL
, (offsetT
) 0, NULL
,
1470 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
1471 (int *)&last_call_info
->ci_unwind
.descriptor
);
1476 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1479 as_bad (_("Missing function name for .PROC"));
1482 /* Assemble the instruction. Results are saved into "the_insn". */
1485 /* Get somewhere to put the assembled instrution. */
1488 /* Output the opcode. */
1489 md_number_to_chars (to
, the_insn
.opcode
, 4);
1491 /* If necessary output more stuff. */
1492 if (the_insn
.reloc
!= R_HPPA_NONE
)
1493 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1494 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1495 the_insn
.reloc
, the_insn
.field_selector
,
1496 the_insn
.format
, the_insn
.arg_reloc
, NULL
);
1499 if (debug_type
== DEBUG_DWARF2
)
1503 /* First update the notion of the current source line. */
1504 dwarf2_where (&debug_line
);
1506 /* We want the offset of the start of this instruction within the
1507 the current frag. */
1508 addr
= frag_now
->fr_address
+ frag_now_fix () - 4;
1510 /* And record the information. */
1511 dwarf2_gen_line_info (addr
, &debug_line
);
1516 /* Do the real work for assembling a single instruction. Store results
1517 into the global "the_insn" variable. */
1523 char *error_message
= "";
1524 char *s
, c
, *argstart
, *name
, *save_s
;
1528 int cmpltr
, nullif
, flag
, cond
, num
;
1529 unsigned long opcode
;
1530 struct pa_opcode
*insn
;
1533 /* We must have a valid space and subspace. */
1534 pa_check_current_space_and_subspace ();
1537 /* Convert everything up to the first whitespace character into lower
1539 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1543 /* Skip to something interesting. */
1544 for (s
= str
; isupper (*s
) || islower (*s
) || (*s
>= '0' && *s
<= '3'); ++s
)
1563 as_fatal (_("Unknown opcode: `%s'"), str
);
1568 /* Look up the opcode in the has table. */
1569 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1571 as_bad ("Unknown opcode: `%s'", str
);
1580 /* Mark the location where arguments for the instruction start, then
1581 start processing them. */
1585 /* Do some initialization. */
1586 opcode
= insn
->match
;
1587 strict
= (insn
->flags
& FLAG_STRICT
);
1588 memset (&the_insn
, 0, sizeof (the_insn
));
1590 the_insn
.reloc
= R_HPPA_NONE
;
1592 /* If this instruction is specific to a particular architecture,
1593 then set a new architecture. */
1594 /* But do not automatically promote to pa2.0. The automatic promotion
1595 crud is for compatability with HP's old assemblers only. */
1597 && bfd_get_mach (stdoutput
) < insn
->arch
)
1599 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1600 as_warn (_("could not update architecture and machine"));
1602 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1608 /* Build the opcode, checking as we go to make
1609 sure that the operands match. */
1610 for (args
= insn
->args
;; ++args
)
1612 /* Absorb white space in instruction. */
1613 while (*s
== ' ' || *s
== '\t')
1619 /* End of arguments. */
1635 /* These must match exactly. */
1644 /* Handle a 5 bit register or control register field at 10. */
1647 /* This should be more strict. Small steps. */
1648 if (strict
&& *s
!= '%')
1650 num
= pa_parse_number (&s
, 0);
1651 CHECK_FIELD (num
, 31, 0, 0);
1652 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1654 /* Handle %sar or %cr11. No bits get set, we just verify that it
1657 /* Skip whitespace before register. */
1658 while (*s
== ' ' || *s
== '\t')
1661 if (!strncasecmp(s
, "%sar", 4))
1666 else if (!strncasecmp(s
, "%cr11", 5))
1673 /* Handle a 5 bit register field at 15. */
1675 /* This should be more strict. Small steps. */
1676 if (strict
&& *s
!= '%')
1678 num
= pa_parse_number (&s
, 0);
1679 CHECK_FIELD (num
, 31, 0, 0);
1680 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1682 /* Handle a 5 bit register field at 31. */
1684 /* This should be more strict. Small steps. */
1685 if (strict
&& *s
!= '%')
1687 num
= pa_parse_number (&s
, 0);
1688 CHECK_FIELD (num
, 31, 0, 0);
1689 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1691 /* Handle a 5 bit register field at 10 and 15. */
1693 /* This should be more strict. Small steps. */
1694 if (strict
&& *s
!= '%')
1696 num
= pa_parse_number (&s
, 0);
1697 CHECK_FIELD (num
, 31, 0, 0);
1698 opcode
|= num
<< 16;
1699 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1701 /* Handle a 5 bit field length at 31. */
1703 num
= pa_get_absolute_expression (&the_insn
, &s
);
1704 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1707 CHECK_FIELD (num
, 32, 1, 0);
1708 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1710 /* Handle a 5 bit immediate at 15. */
1712 num
= pa_get_absolute_expression (&the_insn
, &s
);
1713 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1716 /* When in strict mode, we want to just reject this
1717 match instead of giving an out of range error. */
1718 CHECK_FIELD (num
, 15, -16, strict
);
1719 num
= low_sign_unext (num
, 5);
1720 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1722 /* Handle a 5 bit immediate at 31. */
1724 num
= pa_get_absolute_expression (&the_insn
, &s
);
1725 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1728 /* When in strict mode, we want to just reject this
1729 match instead of giving an out of range error. */
1730 CHECK_FIELD (num
, 15, -16, strict
);
1731 num
= low_sign_unext (num
, 5);
1732 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1734 /* Handle an unsigned 5 bit immediate at 31. */
1736 num
= pa_get_absolute_expression (&the_insn
, &s
);
1737 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1740 CHECK_FIELD (num
, 31, 0, strict
);
1741 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1743 /* Handle an unsigned 5 bit immediate at 15. */
1745 num
= pa_get_absolute_expression (&the_insn
, &s
);
1746 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1749 CHECK_FIELD (num
, 31, 0, strict
);
1750 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1752 /* Handle an unsigned 10 bit immediate at 15. */
1754 num
= pa_get_absolute_expression (&the_insn
, &s
);
1755 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1758 CHECK_FIELD (num
, 1023, 0, strict
);
1759 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1761 /* Handle a 2 bit space identifier at 17. */
1763 /* This should be more strict. Small steps. */
1764 if (strict
&& *s
!= '%')
1766 num
= pa_parse_number (&s
, 0);
1767 CHECK_FIELD (num
, 3, 0, 1);
1768 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1770 /* Handle a 3 bit space identifier at 18. */
1772 /* This should be more strict. Small steps. */
1773 if (strict
&& *s
!= '%')
1775 num
= pa_parse_number (&s
, 0);
1776 CHECK_FIELD (num
, 7, 0, 1);
1777 opcode
|= re_assemble_3 (num
);
1780 /* Handle all completers. */
1785 /* Handle a completer for an indexing load or store. */
1791 while (*s
== ',' && i
< 2)
1794 if (strncasecmp (s
, "sm", 2) == 0)
1801 else if (strncasecmp (s
, "m", 1) == 0)
1803 else if ((strncasecmp (s
, "s ", 2) == 0)
1804 || (strncasecmp (s
, "s,", 2) == 0))
1806 /* When in strict mode this is a match failure. */
1813 as_bad (_("Invalid Indexed Load Completer."));
1818 as_bad (_("Invalid Indexed Load Completer Syntax."));
1820 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1823 /* Handle a short load/store completer. */
1835 if (strncasecmp (s
, "ma", 2) == 0)
1841 else if (strncasecmp (s
, "mb", 2) == 0)
1848 /* When in strict mode, pass through for cache op. */
1849 if (!found
&& strict
)
1854 as_bad (_("Invalid Short Load/Store Completer."));
1858 /* If we did not get a ma/mb completer, then we do not
1859 consider this a positive match for 'ce'. */
1860 else if (*args
== 'e')
1863 /* 'J', 'm' and 'q' are the same, except for where they
1864 encode the before/after field. */
1868 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1870 else if (*args
== 'q')
1873 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1875 else if (*args
== 'J')
1877 /* M bit is explicit in the major opcode. */
1878 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1880 else if (*args
== 'e')
1882 /* Gross! Hide these values in the immediate field
1883 of the instruction, then pull them out later. */
1890 /* Handle a stbys completer. */
1896 while (*s
== ',' && i
< 2)
1899 if (strncasecmp (s
, "m", 1) == 0)
1901 else if ((strncasecmp (s
, "b ", 2) == 0)
1902 || (strncasecmp (s
, "b,", 2) == 0))
1904 else if (strncasecmp (s
, "e", 1) == 0)
1906 /* When in strict mode this is a match failure. */
1913 as_bad (_("Invalid Store Bytes Short Completer"));
1918 as_bad (_("Invalid Store Bytes Short Completer"));
1920 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1923 /* Handle load cache hint completer. */
1926 if (!strncmp(s
, ",sl", 3))
1931 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1933 /* Handle store cache hint completer. */
1936 if (!strncmp(s
, ",sl", 3))
1941 else if (!strncmp(s
, ",bc", 3))
1946 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1948 /* Handle load and clear cache hint completer. */
1951 if (!strncmp(s
, ",co", 3))
1956 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1958 /* Handle load ordering completer. */
1960 if (strncmp(s
, ",o", 2) != 0)
1965 /* Handle a branch gate completer. */
1967 if (strncasecmp (s
, ",gate", 5) != 0)
1972 /* Handle a branch link and push completer. */
1974 if (strncasecmp (s
, ",l,push", 7) != 0)
1979 /* Handle a branch link completer. */
1981 if (strncasecmp (s
, ",l", 2) != 0)
1986 /* Handle a branch pop completer. */
1988 if (strncasecmp (s
, ",pop", 4) != 0)
1993 /* Handle a local processor completer. */
1995 if (strncasecmp (s
, ",l", 2) != 0)
2000 /* Handle a PROBE read/write completer. */
2003 if (!strncasecmp (s
, ",w", 2))
2008 else if (!strncasecmp (s
, ",r", 2))
2014 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2016 /* Handle MFCTL wide completer. */
2018 if (strncasecmp (s
, ",w", 2) != 0)
2023 /* Handle an RFI restore completer. */
2026 if (!strncasecmp (s
, ",r", 2))
2032 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2034 /* Handle a system control completer. */
2036 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2044 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2046 /* Handle intermediate/final completer for DCOR. */
2049 if (!strncasecmp (s
, ",i", 2))
2055 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2057 /* Handle zero/sign extension completer. */
2060 if (!strncasecmp (s
, ",z", 2))
2066 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2068 /* Handle add completer. */
2071 if (!strncasecmp (s
, ",l", 2))
2076 else if (!strncasecmp (s
, ",tsv", 4))
2082 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2084 /* Handle 64 bit carry for ADD. */
2087 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2088 !strncasecmp (s
, ",tsv,dc", 7))
2093 else if (!strncasecmp (s
, ",dc", 3))
2101 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2103 /* Handle 32 bit carry for ADD. */
2106 if (!strncasecmp (s
, ",c,tsv", 6) ||
2107 !strncasecmp (s
, ",tsv,c", 6))
2112 else if (!strncasecmp (s
, ",c", 2))
2120 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2122 /* Handle trap on signed overflow. */
2125 if (!strncasecmp (s
, ",tsv", 4))
2131 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2133 /* Handle trap on condition and overflow. */
2136 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2137 !strncasecmp (s
, ",tsv,tc", 7))
2142 else if (!strncasecmp (s
, ",tc", 3))
2150 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2152 /* Handle 64 bit borrow for SUB. */
2155 if (!strncasecmp (s
, ",db,tsv", 7) ||
2156 !strncasecmp (s
, ",tsv,db", 7))
2161 else if (!strncasecmp (s
, ",db", 3))
2169 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2171 /* Handle 32 bit borrow for SUB. */
2174 if (!strncasecmp (s
, ",b,tsv", 6) ||
2175 !strncasecmp (s
, ",tsv,b", 6))
2180 else if (!strncasecmp (s
, ",b", 2))
2188 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2190 /* Handle trap condition completer for UADDCM. */
2193 if (!strncasecmp (s
, ",tc", 3))
2199 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2201 /* Handle signed/unsigned at 21. */
2205 if (strncasecmp (s
, ",s", 2) == 0)
2210 else if (strncasecmp (s
, ",u", 2) == 0)
2216 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2219 /* Handle left/right combination at 17:18. */
2229 as_bad(_("Invalid left/right combination completer"));
2232 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2235 as_bad(_("Invalid left/right combination completer"));
2238 /* Handle saturation at 24:25. */
2242 if (strncasecmp (s
, ",ss", 3) == 0)
2247 else if (strncasecmp (s
, ",us", 3) == 0)
2253 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2256 /* Handle permutation completer. */
2284 as_bad(_("Invalid permutation completer"));
2286 opcode
|= perm
<< permloc
[i
];
2291 as_bad(_("Invalid permutation completer"));
2299 /* Handle all conditions. */
2305 /* Handle FP compare conditions. */
2307 cond
= pa_parse_fp_cmp_cond (&s
);
2308 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2310 /* Handle an add condition. */
2319 /* 64 bit conditions. */
2332 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2336 if (strcmp (name
, "=") == 0)
2338 else if (strcmp (name
, "<") == 0)
2340 else if (strcmp (name
, "<=") == 0)
2342 else if (strcasecmp (name
, "nuv") == 0)
2344 else if (strcasecmp (name
, "znv") == 0)
2346 else if (strcasecmp (name
, "sv") == 0)
2348 else if (strcasecmp (name
, "od") == 0)
2350 else if (strcasecmp (name
, "tr") == 0)
2355 else if (strcmp (name
, "<>") == 0)
2360 else if (strcmp (name
, ">=") == 0)
2365 else if (strcmp (name
, ">") == 0)
2370 else if (strcasecmp (name
, "uv") == 0)
2375 else if (strcasecmp (name
, "vnz") == 0)
2380 else if (strcasecmp (name
, "nsv") == 0)
2385 else if (strcasecmp (name
, "ev") == 0)
2390 /* ",*" is a valid condition. */
2391 else if (*args
== 'a')
2392 as_bad (_("Invalid Add Condition: %s"), name
);
2395 opcode
|= cmpltr
<< 13;
2396 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2398 /* Handle non-negated add and branch condition. */
2400 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
2403 as_bad (_("Invalid Add and Branch Condition: %c"), *s
);
2406 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2408 /* Handle 64 bit wide-mode add and branch condition. */
2410 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2413 as_bad (_("Invalid Add and Branch Condition: %c"), *s
);
2418 /* Negated condition requires an opcode change. */
2419 opcode
|= (cmpltr
& 8) << 24;
2421 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2423 /* Handle a negated or non-negated add and branch
2427 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
, 1);
2431 cmpltr
= pa_parse_neg_add_cmpltr (&s
, 1);
2434 as_bad (_("Invalid Compare/Subtract Condition"));
2439 /* Negated condition requires an opcode change. */
2443 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2445 /* Handle branch on bit conditions. */
2463 if (strncmp (s
, "<", 1) == 0)
2468 else if (strncmp (s
, ">=", 2) == 0)
2474 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2476 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2478 /* Handle a compare/subtract condition. */
2487 /* 64 bit conditions. */
2500 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2504 if (strcmp (name
, "=") == 0)
2506 else if (strcmp (name
, "<") == 0)
2508 else if (strcmp (name
, "<=") == 0)
2510 else if (strcasecmp (name
, "<<") == 0)
2512 else if (strcasecmp (name
, "<<=") == 0)
2514 else if (strcasecmp (name
, "sv") == 0)
2516 else if (strcasecmp (name
, "od") == 0)
2518 else if (strcasecmp (name
, "tr") == 0)
2523 else if (strcmp (name
, "<>") == 0)
2528 else if (strcmp (name
, ">=") == 0)
2533 else if (strcmp (name
, ">") == 0)
2538 else if (strcasecmp (name
, ">>=") == 0)
2543 else if (strcasecmp (name
, ">>") == 0)
2548 else if (strcasecmp (name
, "nsv") == 0)
2553 else if (strcasecmp (name
, "ev") == 0)
2558 /* ",*" is a valid condition. */
2559 else if (*args
!= 'S')
2560 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2564 opcode
|= cmpltr
<< 13;
2565 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2567 /* Handle a non-negated compare condition. */
2569 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
2572 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s
);
2575 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2577 /* Handle a 32 bit compare and branch condition. */
2580 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
, 1);
2584 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
, 1);
2587 as_bad (_("Invalid Compare and Branch Condition."));
2592 /* Negated condition requires an opcode change. */
2597 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2599 /* Handle a 64 bit compare and branch condition. */
2601 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2604 /* Negated condition requires an opcode change. */
2605 opcode
|= (cmpltr
& 8) << 26;
2608 /* Not a 64 bit cond. Give 32 bit a chance. */
2611 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2613 /* Handle a 64 bit cmpib condition. */
2615 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2617 /* Not a 64 bit cond. Give 32 bit a chance. */
2620 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2622 /* Handle a logical instruction condition. */
2631 /* 64 bit conditions. */
2643 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2648 if (strcmp (name
, "=") == 0)
2650 else if (strcmp (name
, "<") == 0)
2652 else if (strcmp (name
, "<=") == 0)
2654 else if (strcasecmp (name
, "od") == 0)
2656 else if (strcasecmp (name
, "tr") == 0)
2661 else if (strcmp (name
, "<>") == 0)
2666 else if (strcmp (name
, ">=") == 0)
2671 else if (strcmp (name
, ">") == 0)
2676 else if (strcasecmp (name
, "ev") == 0)
2681 /* ",*" is a valid condition. */
2682 else if (*args
!= 'L')
2683 as_bad (_("Invalid Logical Instruction Condition."));
2686 opcode
|= cmpltr
<< 13;
2687 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2689 /* Handle a shift/extract/deposit condition. */
2698 /* 64 bit conditions. */
2710 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2714 if (strcmp (name
, "=") == 0)
2716 else if (strcmp (name
, "<") == 0)
2718 else if (strcasecmp (name
, "od") == 0)
2720 else if (strcasecmp (name
, "tr") == 0)
2722 else if (strcmp (name
, "<>") == 0)
2724 else if (strcmp (name
, ">=") == 0)
2726 else if (strcasecmp (name
, "ev") == 0)
2728 /* Handle movb,n. Put things back the way they were.
2729 This includes moving s back to where it started. */
2730 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2736 /* ",*" is a valid condition. */
2737 else if (*args
!= 'X')
2738 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2741 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2743 /* Handle a unit instruction condition. */
2752 /* 64 bit conditions. */
2763 if (strncasecmp (s
, "sbz", 3) == 0)
2768 else if (strncasecmp (s
, "shz", 3) == 0)
2773 else if (strncasecmp (s
, "sdc", 3) == 0)
2778 else if (strncasecmp (s
, "sbc", 3) == 0)
2783 else if (strncasecmp (s
, "shc", 3) == 0)
2788 else if (strncasecmp (s
, "tr", 2) == 0)
2794 else if (strncasecmp (s
, "nbz", 3) == 0)
2800 else if (strncasecmp (s
, "nhz", 3) == 0)
2806 else if (strncasecmp (s
, "ndc", 3) == 0)
2812 else if (strncasecmp (s
, "nbc", 3) == 0)
2818 else if (strncasecmp (s
, "nhc", 3) == 0)
2824 else if (strncasecmp (s
, "swz", 3) == 0)
2830 else if (strncasecmp (s
, "swc", 3) == 0)
2836 else if (strncasecmp (s
, "nwz", 3) == 0)
2842 else if (strncasecmp (s
, "nwc", 3) == 0)
2848 /* ",*" is a valid condition. */
2849 else if (*args
!= 'U')
2850 as_bad (_("Invalid Unit Instruction Condition."));
2852 opcode
|= cmpltr
<< 13;
2853 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2861 /* Handle a nullification completer for branch instructions. */
2863 nullif
= pa_parse_nullif (&s
);
2864 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2866 /* Handle a nullification completer for copr and spop insns. */
2868 nullif
= pa_parse_nullif (&s
);
2869 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2871 /* Handle ,%r2 completer for new syntax branches. */
2873 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2875 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2881 /* Handle 3 bit entry into the fp compare array. Valid values
2882 are 0..6 inclusive. */
2886 if (the_insn
.exp
.X_op
== O_constant
)
2888 num
= evaluate_absolute (&the_insn
);
2889 CHECK_FIELD (num
, 6, 0, 0);
2891 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2896 /* Handle 3 bit entry into the fp compare array. Valid values
2897 are 0..6 inclusive. */
2900 if (the_insn
.exp
.X_op
== O_constant
)
2903 num
= evaluate_absolute (&the_insn
);
2904 CHECK_FIELD (num
, 6, 0, 0);
2905 num
= (num
+ 1) ^ 1;
2906 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2911 /* Handle graphics test completers for ftest */
2914 num
= pa_parse_ftest_gfx_completer (&s
);
2915 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2918 /* Handle a 11 bit immediate at 31. */
2920 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2923 if (the_insn
.exp
.X_op
== O_constant
)
2925 num
= evaluate_absolute (&the_insn
);
2926 CHECK_FIELD (num
, 1023, -1024, 0);
2927 num
= low_sign_unext (num
, 11);
2928 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2932 if (is_DP_relative (the_insn
.exp
))
2933 the_insn
.reloc
= R_HPPA_GOTOFF
;
2934 else if (is_PC_relative (the_insn
.exp
))
2935 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2937 the_insn
.reloc
= R_HPPA
;
2938 the_insn
.format
= 11;
2942 /* Handle a 14 bit immediate at 31. */
2944 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2947 if (the_insn
.exp
.X_op
== O_constant
)
2951 /* XXX the completer stored away tibits of information
2952 for us to extract. We need a cleaner way to do this.
2953 Now that we have lots of letters again, it would be
2954 good to rethink this. */
2955 m
= (opcode
& (1 << 8)) != 0;
2956 a
= (opcode
& (1 << 9)) != 0;
2957 opcode
&= ~ (3 << 8);
2958 num
= evaluate_absolute (&the_insn
);
2959 if ((a
== 1 && num
>= 0) || (a
== 0 && num
< 0))
2961 CHECK_FIELD (num
, 8191, -8192, 0);
2962 num
= low_sign_unext (num
, 14);
2963 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2970 /* Handle a 14 bit immediate at 31. */
2972 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2975 if (the_insn
.exp
.X_op
== O_constant
)
2979 /* XXX the completer stored away tibits of information
2980 for us to extract. We need a cleaner way to do this.
2981 Now that we have lots of letters again, it would be
2982 good to rethink this. */
2983 m
= (opcode
& (1 << 8)) != 0;
2984 a
= (opcode
& (1 << 9)) != 0;
2985 opcode
&= ~ (3 << 8);
2986 num
= evaluate_absolute (&the_insn
);
2987 if ((a
== 1 && num
< 0) || (a
== 0 && num
> 0))
2991 CHECK_FIELD (num
, 8191, -8192, 0);
2996 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3003 /* Handle 14 bit immediate, shifted left three times. */
3005 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3008 if (the_insn
.exp
.X_op
== O_constant
)
3010 num
= evaluate_absolute (&the_insn
);
3013 CHECK_FIELD (num
, 8191, -8192, 0);
3018 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3022 if (is_DP_relative (the_insn
.exp
))
3023 the_insn
.reloc
= R_HPPA_GOTOFF
;
3024 else if (is_PC_relative (the_insn
.exp
))
3025 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3027 the_insn
.reloc
= R_HPPA
;
3028 the_insn
.format
= 14;
3033 /* Handle 14 bit immediate, shifted left twice. */
3035 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3038 if (the_insn
.exp
.X_op
== O_constant
)
3040 num
= evaluate_absolute (&the_insn
);
3043 CHECK_FIELD (num
, 8191, -8192, 0);
3048 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3052 if (is_DP_relative (the_insn
.exp
))
3053 the_insn
.reloc
= R_HPPA_GOTOFF
;
3054 else if (is_PC_relative (the_insn
.exp
))
3055 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3057 the_insn
.reloc
= R_HPPA
;
3058 the_insn
.format
= 14;
3062 /* Handle a 14 bit immediate at 31. */
3064 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3067 if (the_insn
.exp
.X_op
== O_constant
)
3069 num
= evaluate_absolute (&the_insn
);
3070 CHECK_FIELD (num
, 8191, -8192, 0);
3071 num
= low_sign_unext (num
, 14);
3072 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3076 if (is_DP_relative (the_insn
.exp
))
3077 the_insn
.reloc
= R_HPPA_GOTOFF
;
3078 else if (is_PC_relative (the_insn
.exp
))
3079 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3081 the_insn
.reloc
= R_HPPA
;
3082 the_insn
.format
= 14;
3086 /* Handle a 21 bit immediate at 31. */
3088 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3091 if (the_insn
.exp
.X_op
== O_constant
)
3093 num
= evaluate_absolute (&the_insn
);
3094 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3095 opcode
|= re_assemble_21 (num
);
3100 if (is_DP_relative (the_insn
.exp
))
3101 the_insn
.reloc
= R_HPPA_GOTOFF
;
3102 else if (is_PC_relative (the_insn
.exp
))
3103 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3105 the_insn
.reloc
= R_HPPA
;
3106 the_insn
.format
= 21;
3110 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3112 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3115 if (the_insn
.exp
.X_op
== O_constant
)
3117 num
= evaluate_absolute (&the_insn
);
3118 CHECK_FIELD (num
, 32767, -32768, 0);
3119 opcode
|= re_assemble_16 (num
);
3124 /* ??? Is this valid for wide mode? */
3125 if (is_DP_relative (the_insn
.exp
))
3126 the_insn
.reloc
= R_HPPA_GOTOFF
;
3127 else if (is_PC_relative (the_insn
.exp
))
3128 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3130 the_insn
.reloc
= R_HPPA
;
3131 the_insn
.format
= 14;
3135 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3137 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3140 if (the_insn
.exp
.X_op
== O_constant
)
3142 num
= evaluate_absolute (&the_insn
);
3143 CHECK_FIELD (num
, 32767, -32768, 0);
3144 CHECK_ALIGN (num
, 4, 0);
3145 opcode
|= re_assemble_16 (num
);
3150 /* ??? Is this valid for wide mode? */
3151 if (is_DP_relative (the_insn
.exp
))
3152 the_insn
.reloc
= R_HPPA_GOTOFF
;
3153 else if (is_PC_relative (the_insn
.exp
))
3154 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3156 the_insn
.reloc
= R_HPPA
;
3157 the_insn
.format
= 14;
3161 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3163 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3166 if (the_insn
.exp
.X_op
== O_constant
)
3168 num
= evaluate_absolute (&the_insn
);
3169 CHECK_FIELD (num
, 32767, -32768, 0);
3170 CHECK_ALIGN (num
, 8, 0);
3171 opcode
|= re_assemble_16 (num
);
3176 /* ??? Is this valid for wide mode? */
3177 if (is_DP_relative (the_insn
.exp
))
3178 the_insn
.reloc
= R_HPPA_GOTOFF
;
3179 else if (is_PC_relative (the_insn
.exp
))
3180 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3182 the_insn
.reloc
= R_HPPA
;
3183 the_insn
.format
= 14;
3187 /* Handle a 12 bit branch displacement. */
3189 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3193 if (!strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
), "L$0\001"))
3195 num
= evaluate_absolute (&the_insn
);
3198 as_bad (_("Branch to unaligned address"));
3201 CHECK_FIELD (num
, 8199, -8184, 0);
3203 opcode
|= re_assemble_12 ((num
- 8) >> 2);
3208 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3209 the_insn
.format
= 12;
3210 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3211 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3216 /* Handle a 17 bit branch displacement. */
3218 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3222 if (!the_insn
.exp
.X_add_symbol
3223 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3226 num
= evaluate_absolute (&the_insn
);
3229 as_bad (_("Branch to unaligned address"));
3232 CHECK_FIELD (num
, 262143, -262144, 0);
3234 if (the_insn
.exp
.X_add_symbol
)
3237 opcode
|= re_assemble_17 (num
>> 2);
3242 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3243 the_insn
.format
= 17;
3244 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3245 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3249 /* Handle a 22 bit branch displacement. */
3251 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3255 if (!the_insn
.exp
.X_add_symbol
3256 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3259 num
= evaluate_absolute (&the_insn
);
3262 as_bad (_("Branch to unaligned address"));
3265 CHECK_FIELD (num
, 8388607, -8388608, 0);
3267 if (the_insn
.exp
.X_add_symbol
)
3270 opcode
|= re_assemble_22 (num
>> 2);
3274 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3275 the_insn
.format
= 22;
3276 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3277 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3281 /* Handle an absolute 17 bit branch target. */
3283 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3287 if (!the_insn
.exp
.X_add_symbol
3288 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3291 num
= evaluate_absolute (&the_insn
);
3294 as_bad (_("Branch to unaligned address"));
3297 CHECK_FIELD (num
, 262143, -262144, 0);
3299 if (the_insn
.exp
.X_add_symbol
)
3302 opcode
|= re_assemble_17 (num
>> 2);
3307 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3308 the_insn
.format
= 17;
3309 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3310 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3314 /* Handle '%r1' implicit operand of addil instruction. */
3316 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3317 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3325 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3327 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3332 /* Handle immediate value of 0 for ordered load/store instructions. */
3339 /* Handle a 2 bit shift count at 25. */
3341 num
= pa_get_absolute_expression (&the_insn
, &s
);
3342 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3345 CHECK_FIELD (num
, 3, 1, strict
);
3346 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3348 /* Handle a 4 bit shift count at 25. */
3350 num
= pa_get_absolute_expression (&the_insn
, &s
);
3351 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3354 CHECK_FIELD (num
, 15, 0, strict
);
3355 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3357 /* Handle a 5 bit shift count at 26. */
3359 num
= pa_get_absolute_expression (&the_insn
, &s
);
3360 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3363 CHECK_FIELD (num
, 31, 0, strict
);
3364 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3366 /* Handle a 6 bit shift count at 20,22:26. */
3368 num
= pa_get_absolute_expression (&the_insn
, &s
);
3369 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3372 CHECK_FIELD (num
, 63, 0, strict
);
3374 opcode
|= (num
& 0x20) << 6;
3375 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3377 /* Handle a 6 bit field length at 23,27:31. */
3380 num
= pa_get_absolute_expression (&the_insn
, &s
);
3381 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3384 CHECK_FIELD (num
, 64, 1, strict
);
3386 opcode
|= (num
& 0x20) << 3;
3387 num
= 31 - (num
& 0x1f);
3388 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3390 /* Handle a 6 bit field length at 19,27:31. */
3392 num
= pa_get_absolute_expression (&the_insn
, &s
);
3393 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3396 CHECK_FIELD (num
, 64, 1, strict
);
3398 opcode
|= (num
& 0x20) << 7;
3399 num
= 31 - (num
& 0x1f);
3400 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3402 /* Handle a 5 bit bit position at 26. */
3404 num
= pa_get_absolute_expression (&the_insn
, &s
);
3405 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3408 CHECK_FIELD (num
, 31, 0, strict
);
3409 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3411 /* Handle a 6 bit bit position at 20,22:26. */
3413 num
= pa_get_absolute_expression (&the_insn
, &s
);
3414 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3417 CHECK_FIELD (num
, 63, 0, strict
);
3418 opcode
|= (num
& 0x20) << 6;
3419 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3421 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3422 of the high bit of the immediate. */
3424 num
= pa_get_absolute_expression (&the_insn
, &s
);
3425 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3428 CHECK_FIELD (num
, 63, 0, strict
);
3432 opcode
|= (1 << 13);
3433 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3435 /* Handle a 5 bit immediate at 10. */
3437 num
= pa_get_absolute_expression (&the_insn
, &s
);
3438 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3440 if (the_insn
.exp
.X_op
!= O_constant
)
3443 CHECK_FIELD (num
, 31, 0, strict
);
3444 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3446 /* Handle a 9 bit immediate at 28. */
3448 num
= pa_get_absolute_expression (&the_insn
, &s
);
3449 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3452 CHECK_FIELD (num
, 511, 1, strict
);
3453 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3455 /* Handle a 13 bit immediate at 18. */
3457 num
= pa_get_absolute_expression (&the_insn
, &s
);
3458 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3461 CHECK_FIELD (num
, 8191, 0, strict
);
3462 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3464 /* Handle a 26 bit immediate at 31. */
3466 num
= pa_get_absolute_expression (&the_insn
, &s
);
3467 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3470 CHECK_FIELD (num
, 671108864, 0, strict
);
3471 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3473 /* Handle a 3 bit SFU identifier at 25. */
3476 as_bad (_("Invalid SFU identifier"));
3477 num
= pa_get_absolute_expression (&the_insn
, &s
);
3478 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3481 CHECK_FIELD (num
, 7, 0, strict
);
3482 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3484 /* Handle a 20 bit SOP field for spop0. */
3486 num
= pa_get_absolute_expression (&the_insn
, &s
);
3487 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3490 CHECK_FIELD (num
, 1048575, 0, strict
);
3491 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3492 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3494 /* Handle a 15bit SOP field for spop1. */
3496 num
= pa_get_absolute_expression (&the_insn
, &s
);
3497 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3500 CHECK_FIELD (num
, 32767, 0, strict
);
3501 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3503 /* Handle a 10bit SOP field for spop3. */
3505 num
= pa_get_absolute_expression (&the_insn
, &s
);
3506 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3509 CHECK_FIELD (num
, 1023, 0, strict
);
3510 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3511 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3513 /* Handle a 15 bit SOP field for spop2. */
3515 num
= pa_get_absolute_expression (&the_insn
, &s
);
3516 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3519 CHECK_FIELD (num
, 32767, 0, strict
);
3520 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3521 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3523 /* Handle a 3-bit co-processor ID field. */
3526 as_bad (_("Invalid COPR identifier"));
3527 num
= pa_get_absolute_expression (&the_insn
, &s
);
3528 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3531 CHECK_FIELD (num
, 7, 0, strict
);
3532 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3534 /* Handle a 22bit SOP field for copr. */
3536 num
= pa_get_absolute_expression (&the_insn
, &s
);
3537 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3540 CHECK_FIELD (num
, 4194303, 0, strict
);
3541 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3542 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3544 /* Handle a source FP operand format completer. */
3546 if (*s
== ',' && *(s
+1) == 't')
3553 flag
= pa_parse_fp_cnv_format (&s
);
3554 the_insn
.fpof1
= flag
;
3555 if (flag
== W
|| flag
== UW
)
3557 if (flag
== DW
|| flag
== UDW
)
3559 if (flag
== QW
|| flag
== UQW
)
3561 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3563 /* Handle a destination FP operand format completer. */
3565 /* pa_parse_format needs the ',' prefix. */
3567 flag
= pa_parse_fp_cnv_format (&s
);
3568 the_insn
.fpof2
= flag
;
3569 if (flag
== W
|| flag
== UW
)
3571 if (flag
== DW
|| flag
== UDW
)
3573 if (flag
== QW
|| flag
== UQW
)
3575 opcode
|= flag
<< 13;
3576 if (the_insn
.fpof1
== SGL
3577 || the_insn
.fpof1
== DBL
3578 || the_insn
.fpof1
== QUAD
)
3580 if (the_insn
.fpof2
== SGL
3581 || the_insn
.fpof2
== DBL
3582 || the_insn
.fpof2
== QUAD
)
3584 else if (the_insn
.fpof2
== W
3585 || the_insn
.fpof2
== DW
3586 || the_insn
.fpof2
== QW
)
3588 else if (the_insn
.fpof2
== UW
3589 || the_insn
.fpof2
== UDW
3590 || the_insn
.fpof2
== UQW
)
3595 else if (the_insn
.fpof1
== W
3596 || the_insn
.fpof1
== DW
3597 || the_insn
.fpof1
== QW
)
3599 if (the_insn
.fpof2
== SGL
3600 || the_insn
.fpof2
== DBL
3601 || the_insn
.fpof2
== QUAD
)
3606 else if (the_insn
.fpof1
== UW
3607 || the_insn
.fpof1
== UDW
3608 || the_insn
.fpof1
== UQW
)
3610 if (the_insn
.fpof2
== SGL
3611 || the_insn
.fpof2
== DBL
3612 || the_insn
.fpof2
== QUAD
)
3617 flag
|= the_insn
.trunc
;
3618 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3620 /* Handle a source FP operand format completer. */
3622 flag
= pa_parse_fp_format (&s
);
3623 the_insn
.fpof1
= flag
;
3624 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3626 /* Handle a destination FP operand format completer. */
3628 /* pa_parse_format needs the ',' prefix. */
3630 flag
= pa_parse_fp_format (&s
);
3631 the_insn
.fpof2
= flag
;
3632 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3634 /* Handle a source FP operand format completer at 20. */
3636 flag
= pa_parse_fp_format (&s
);
3637 the_insn
.fpof1
= flag
;
3638 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3640 /* Handle a floating point operand format at 26.
3641 Only allows single and double precision. */
3643 flag
= pa_parse_fp_format (&s
);
3649 the_insn
.fpof1
= flag
;
3655 as_bad (_("Invalid Floating Point Operand Format."));
3659 /* Handle all floating point registers. */
3663 /* Float target register. */
3665 /* This should be more strict. Small steps. */
3666 if (strict
&& *s
!= '%')
3668 num
= pa_parse_number (&s
, 0);
3669 CHECK_FIELD (num
, 31, 0, 0);
3670 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3672 /* Float target register with L/R selection. */
3675 struct pa_11_fp_reg_struct result
;
3677 /* This should be more strict. Small steps. */
3678 if (strict
&& *s
!= '%')
3680 pa_parse_number (&s
, &result
);
3681 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3682 opcode
|= result
.number_part
;
3684 /* 0x30 opcodes are FP arithmetic operation opcodes
3685 and need to be turned into 0x38 opcodes. This
3686 is not necessary for loads/stores. */
3687 if (need_pa11_opcode (&the_insn
, &result
)
3688 && ((opcode
& 0xfc000000) == 0x30000000))
3691 INSERT_FIELD_AND_CONTINUE (opcode
, result
.l_r_select
& 1, 6);
3694 /* Float operand 1. */
3697 struct pa_11_fp_reg_struct result
;
3699 /* This should be more strict. Small steps. */
3700 if (strict
&& *s
!= '%')
3702 pa_parse_number (&s
, &result
);
3703 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3704 opcode
|= result
.number_part
<< 21;
3705 if (need_pa11_opcode (&the_insn
, &result
))
3707 opcode
|= (result
.l_r_select
& 1) << 7;
3713 /* Float operand 1 with L/R selection. */
3717 struct pa_11_fp_reg_struct result
;
3719 /* This should be more strict. Small steps. */
3720 if (strict
&& *s
!= '%')
3722 pa_parse_number (&s
, &result
);
3723 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3724 opcode
|= result
.number_part
<< 21;
3725 opcode
|= (result
.l_r_select
& 1) << 7;
3729 /* Float operand 2. */
3732 struct pa_11_fp_reg_struct result
;
3734 /* This should be more strict. Small steps. */
3735 if (strict
&& *s
!= '%')
3737 pa_parse_number (&s
, &result
);
3738 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3739 opcode
|= (result
.number_part
& 0x1f) << 16;
3740 if (need_pa11_opcode (&the_insn
, &result
))
3742 opcode
|= (result
.l_r_select
& 1) << 12;
3748 /* Float operand 2 with L/R selection. */
3751 struct pa_11_fp_reg_struct result
;
3753 /* This should be more strict. Small steps. */
3754 if (strict
&& *s
!= '%')
3756 pa_parse_number (&s
, &result
);
3757 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3758 opcode
|= (result
.number_part
& 0x1f) << 16;
3759 opcode
|= (result
.l_r_select
& 1) << 12;
3763 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3766 struct pa_11_fp_reg_struct result
;
3768 /* This should be more strict. Small steps. */
3769 if (strict
&& *s
!= '%')
3771 pa_parse_number (&s
, &result
);
3772 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3773 opcode
|= (result
.number_part
& 0x1c) << 11;
3774 opcode
|= (result
.number_part
& 0x3) << 9;
3775 opcode
|= (result
.l_r_select
& 1) << 8;
3779 /* Float mult operand 1 for fmpyadd, fmpysub */
3782 struct pa_11_fp_reg_struct result
;
3784 /* This should be more strict. Small steps. */
3785 if (strict
&& *s
!= '%')
3787 pa_parse_number (&s
, &result
);
3788 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3789 if (the_insn
.fpof1
== SGL
)
3791 if (result
.number_part
< 16)
3793 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3797 result
.number_part
&= 0xF;
3798 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3800 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 21);
3803 /* Float mult operand 2 for fmpyadd, fmpysub */
3806 struct pa_11_fp_reg_struct result
;
3808 /* This should be more strict. Small steps. */
3809 if (strict
&& *s
!= '%')
3811 pa_parse_number (&s
, &result
);
3812 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3813 if (the_insn
.fpof1
== SGL
)
3815 if (result
.number_part
< 16)
3817 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3820 result
.number_part
&= 0xF;
3821 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3823 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 16);
3826 /* Float mult target for fmpyadd, fmpysub */
3829 struct pa_11_fp_reg_struct result
;
3831 /* This should be more strict. Small steps. */
3832 if (strict
&& *s
!= '%')
3834 pa_parse_number (&s
, &result
);
3835 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3836 if (the_insn
.fpof1
== SGL
)
3838 if (result
.number_part
< 16)
3840 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3843 result
.number_part
&= 0xF;
3844 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3846 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 0);
3849 /* Float add operand 1 for fmpyadd, fmpysub */
3852 struct pa_11_fp_reg_struct result
;
3854 /* This should be more strict. Small steps. */
3855 if (strict
&& *s
!= '%')
3857 pa_parse_number (&s
, &result
);
3858 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3859 if (the_insn
.fpof1
== SGL
)
3861 if (result
.number_part
< 16)
3863 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3866 result
.number_part
&= 0xF;
3867 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3869 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 6);
3872 /* Float add target for fmpyadd, fmpysub */
3875 struct pa_11_fp_reg_struct result
;
3877 /* This should be more strict. Small steps. */
3878 if (strict
&& *s
!= '%')
3880 pa_parse_number (&s
, &result
);
3881 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3882 if (the_insn
.fpof1
== SGL
)
3884 if (result
.number_part
< 16)
3886 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3889 result
.number_part
&= 0xF;
3890 result
.number_part
|= (result
.l_r_select
& 1) << 4;
3892 INSERT_FIELD_AND_CONTINUE (opcode
, result
.number_part
, 11);
3895 /* Handle L/R register halves like 'x'. */
3899 struct pa_11_fp_reg_struct result
;
3901 if (strict
&& *s
!= '%')
3903 pa_parse_number (&s
, &result
);
3904 CHECK_FIELD (result
.number_part
, 31, 0, 0);
3905 opcode
|= (result
.number_part
& 0x1f) << 16;
3906 if (need_pa11_opcode (&the_insn
, &result
))
3908 opcode
|= (result
.l_r_select
& 1) << 1;
3913 /* Float target register (PA 2.0 wide). */
3915 /* This should be more strict. Small steps. */
3916 if (strict
&& *s
!= '%')
3918 num
= pa_parse_number (&s
, 0);
3919 CHECK_FIELD (num
, 31, 0, 0);
3920 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3934 /* Check if the args matched. */
3937 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3938 && !strcmp (insn
->name
, insn
[1].name
))
3946 as_bad (_("Invalid operands %s"), error_message
);
3953 the_insn
.opcode
= opcode
;
3956 /* Turn a string in input_line_pointer into a floating point constant of type
3957 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3958 emitted is stored in *sizeP . An error message or NULL is returned. */
3960 #define MAX_LITTLENUMS 6
3963 md_atof (type
, litP
, sizeP
)
3969 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3970 LITTLENUM_TYPE
*wordP
;
4002 return _("Bad call to MD_ATOF()");
4004 t
= atof_ieee (input_line_pointer
, type
, words
);
4006 input_line_pointer
= t
;
4007 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4008 for (wordP
= words
; prec
--;)
4010 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4011 litP
+= sizeof (LITTLENUM_TYPE
);
4016 /* Write out big-endian. */
4019 md_number_to_chars (buf
, val
, n
)
4024 number_to_chars_bigendian (buf
, val
, n
);
4027 /* Translate internal representation of relocation info to BFD target
4031 tc_gen_reloc (section
, fixp
)
4036 struct hppa_fix_struct
*hppa_fixp
;
4037 static arelent
*no_relocs
= NULL
;
4044 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4045 if (fixp
->fx_addsy
== 0)
4048 assert (hppa_fixp
!= 0);
4049 assert (section
!= 0);
4051 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4053 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4054 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4055 codes
= hppa_gen_reloc_type (stdoutput
,
4057 hppa_fixp
->fx_r_format
,
4058 hppa_fixp
->fx_r_field
,
4059 fixp
->fx_subsy
!= NULL
,
4060 symbol_get_bfdsym (fixp
->fx_addsy
));
4065 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4068 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4069 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4070 for (i
= 0; i
< n_relocs
; i
++)
4071 relocs
[i
] = &reloc
[i
];
4073 relocs
[n_relocs
] = NULL
;
4076 switch (fixp
->fx_r_type
)
4079 assert (n_relocs
== 1);
4083 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4084 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4085 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4086 (bfd_reloc_code_real_type
) code
);
4087 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4089 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4091 /* Now, do any processing that is dependent on the relocation type. */
4094 case R_PARISC_DLTREL21L
:
4095 case R_PARISC_DLTREL14R
:
4096 case R_PARISC_DLTREL14F
:
4097 case R_PARISC_PLABEL32
:
4098 case R_PARISC_PLABEL21L
:
4099 case R_PARISC_PLABEL14R
:
4100 /* For plabel relocations, the addend of the
4101 relocation should be either 0 (no static link) or 2
4102 (static link required).
4104 FIXME: We always assume no static link!
4106 We also slam a zero addend into the DLT relative relocs;
4107 it doesn't make a lot of sense to use any addend since
4108 it gets you a different (eg unknown) DLT entry. */
4112 #ifdef ELF_ARG_RELOC
4113 case R_PARISC_PCREL17R
:
4114 case R_PARISC_PCREL17F
:
4115 case R_PARISC_PCREL17C
:
4116 case R_PARISC_DIR17R
:
4117 case R_PARISC_DIR17F
:
4119 char *buf
= fixp
->fx_where
+ fixp
->fx_frag
->fr_literal
;
4120 int insn
= bfd_get_32 (stdoutput
, buf
);
4122 #ifdef ELF_ARG_RELOC_INSN
4123 /* Store the arg reloc in the instruction. */
4124 insn
= ((insn
& ~ 0x1ff8)
4125 | ((hppa_fixp
->fx_arg_reloc
<< 3) & 0x1ff8));
4126 bfd_put_32 (stdoutput
, insn
, buf
);
4127 reloc
->addend
= fixp
->fx_offset
;
4129 /* The high 22 bits of the constant are stored in the
4130 reloc. The remaining 10 bits can be retrieved from the
4132 insn
= (insn
& ~ 0x7f8) | ((fixp
->fx_offset
& 0x3fc) << 1);
4133 bfd_put_32 (stdoutput
, insn
, buf
);
4134 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4135 fixp
->fx_offset
>> 10);
4140 case R_PARISC_PCREL21L
:
4141 case R_PARISC_DIR21L
:
4143 char *buf
= fixp
->fx_where
+ fixp
->fx_frag
->fr_literal
;
4144 int insn
= bfd_get_32 (stdoutput
, buf
);
4146 #ifdef ELF_ARG_RELOC_INSN
4147 /* Store the arg reloc in the instruction. */
4148 insn
= ((insn
& ~ 0xff9)
4149 | ((hppa_fixp
->fx_arg_reloc
>> 9) & 1)
4150 | ((hppa_fixp
->fx_arg_reloc
<< 3) & 0xff8));
4151 bfd_put_32 (stdoutput
, insn
, buf
);
4152 reloc
->addend
= fixp
->fx_offset
;
4154 /* In this case, the instruction stores the high bits, so
4155 the reloc stores the low 22 bits. */
4156 insn
= ((insn
& ~ 0xff9)
4157 | ((fixp
->fx_offset
>> 31) & 1)
4158 | ((fixp
->fx_offset
>> 19) & 0xff8));
4159 bfd_put_32 (stdoutput
, insn
, buf
);
4160 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4168 reloc
->addend
= fixp
->fx_offset
;
4175 /* Walk over reach relocation returned by the BFD backend. */
4176 for (i
= 0; i
< n_relocs
; i
++)
4180 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4181 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4183 bfd_reloc_type_lookup (stdoutput
,
4184 (bfd_reloc_code_real_type
) code
);
4185 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4190 /* The only time we ever use a R_COMP2 fixup is for the difference
4191 of two symbols. With that in mind we fill in all four
4192 relocs now and break out of the loop. */
4194 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4196 bfd_reloc_type_lookup (stdoutput
,
4197 (bfd_reloc_code_real_type
) *codes
[0]);
4198 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4199 relocs
[0]->addend
= 0;
4200 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4201 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4203 bfd_reloc_type_lookup (stdoutput
,
4204 (bfd_reloc_code_real_type
) *codes
[1]);
4205 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4206 relocs
[1]->addend
= 0;
4207 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4208 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4210 bfd_reloc_type_lookup (stdoutput
,
4211 (bfd_reloc_code_real_type
) *codes
[2]);
4212 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4213 relocs
[2]->addend
= 0;
4214 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4216 bfd_reloc_type_lookup (stdoutput
,
4217 (bfd_reloc_code_real_type
) *codes
[3]);
4218 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4219 relocs
[3]->addend
= 0;
4220 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4222 bfd_reloc_type_lookup (stdoutput
,
4223 (bfd_reloc_code_real_type
) *codes
[4]);
4224 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4225 relocs
[4]->addend
= 0;
4229 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4235 /* For plabel relocations, the addend of the
4236 relocation should be either 0 (no static link) or 2
4237 (static link required).
4239 FIXME: We always assume no static link!
4241 We also slam a zero addend into the DLT relative relocs;
4242 it doesn't make a lot of sense to use any addend since
4243 it gets you a different (eg unknown) DLT entry. */
4244 relocs
[i
]->addend
= 0;
4259 /* There is no symbol or addend associated with these fixups. */
4260 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4261 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4262 relocs
[i
]->addend
= 0;
4268 /* There is no symbol associated with these fixups. */
4269 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4270 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4271 relocs
[i
]->addend
= fixp
->fx_offset
;
4275 relocs
[i
]->addend
= fixp
->fx_offset
;
4285 /* Process any machine dependent frag types. */
4288 md_convert_frag (abfd
, sec
, fragP
)
4289 register bfd
*abfd ATTRIBUTE_UNUSED
;
4290 register asection
*sec ATTRIBUTE_UNUSED
;
4291 register fragS
*fragP
;
4293 unsigned int address
;
4295 if (fragP
->fr_type
== rs_machine_dependent
)
4297 switch ((int) fragP
->fr_subtype
)
4300 fragP
->fr_type
= rs_fill
;
4301 know (fragP
->fr_var
== 1);
4302 know (fragP
->fr_next
);
4303 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4304 if (address
% fragP
->fr_offset
)
4307 fragP
->fr_next
->fr_address
4312 fragP
->fr_offset
= 0;
4318 /* Round up a section size to the appropriate boundary. */
4321 md_section_align (segment
, size
)
4325 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4326 int align2
= (1 << align
) - 1;
4328 return (size
+ align2
) & ~align2
;
4331 /* Return the approximate size of a frag before relaxation has occurred. */
4333 md_estimate_size_before_relax (fragP
, segment
)
4334 register fragS
*fragP
;
4335 asection
*segment ATTRIBUTE_UNUSED
;
4341 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4348 const char *md_shortopts
= "V";
4350 const char *md_shortopts
= "";
4353 struct option md_longopts
[] = {
4354 {NULL
, no_argument
, NULL
, 0}
4356 size_t md_longopts_size
= sizeof(md_longopts
);
4359 md_parse_option (c
, arg
)
4360 int c ATTRIBUTE_UNUSED
;
4361 char *arg ATTRIBUTE_UNUSED
;
4370 print_version_id ();
4379 md_show_usage (stream
)
4380 FILE *stream ATTRIBUTE_UNUSED
;
4384 /* We have no need to default values of symbols. */
4387 md_undefined_symbol (name
)
4388 char *name ATTRIBUTE_UNUSED
;
4393 #if defined (SOM) || defined (ELF_ARG_RELOC)
4394 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4395 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
4397 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4400 /* Apply a fixup to an instruction. */
4403 md_apply_fix (fixP
, valp
)
4407 char *buf
= fixP
->fx_where
+ fixP
->fx_frag
->fr_literal
;
4408 struct hppa_fix_struct
*hppa_fixP
;
4412 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4413 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4414 never be "applied" (they are just markers). Likewise for
4415 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4417 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4418 || fixP
->fx_r_type
== R_HPPA_EXIT
4419 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4420 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4421 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4424 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4425 fixups are considered not adjustable, which in turn causes
4426 adjust_reloc_syms to not set fx_offset. Ugh. */
4427 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4429 fixP
->fx_offset
= *valp
;
4434 insn
= bfd_get_32 (stdoutput
, (unsigned char *)buf
);
4435 /* There should have been an HPPA specific fixup associated
4436 with the GAS fixup. */
4439 int fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4441 /* If there is a symbol associated with this fixup, then it's something
4442 which will need a SOM relocation (except for some PC-relative relocs).
4443 In such cases we should treat the "val" or "addend" as zero since it
4444 will be added in as needed from fx_offset in tc_gen_reloc. */
4445 if ((fixP
->fx_addsy
!= NULL
4446 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4451 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4453 /* These field selectors imply that we do not want an addend. */
4454 else if (hppa_fixP
->fx_r_field
== e_psel
4455 || hppa_fixP
->fx_r_field
== e_rpsel
4456 || hppa_fixP
->fx_r_field
== e_lpsel
4457 || hppa_fixP
->fx_r_field
== e_tsel
4458 || hppa_fixP
->fx_r_field
== e_rtsel
4459 || hppa_fixP
->fx_r_field
== e_ltsel
)
4460 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4461 /* This is truely disgusting. The machine independent code blindly
4462 adds in the value of the symbol being relocated against. Damn! */
4464 && fixP
->fx_addsy
!= NULL
4465 && S_GET_SEGMENT (fixP
->fx_addsy
) != bfd_com_section_ptr
)
4466 new_val
= hppa_field_adjust (*valp
- S_GET_VALUE (fixP
->fx_addsy
),
4467 0, hppa_fixP
->fx_r_field
);
4470 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4472 /* Handle pc-relative exceptions from above. */
4473 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4476 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4477 hppa_fixP
->fx_arg_reloc
)
4478 && ((*valp
+ 8192) < 16384
4479 || (fmt
== 17 && (*valp
+ 262144) < 524288)
4480 || (fmt
== 22 && (*valp
+ 8388608) < 16777216))
4481 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4483 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4485 new_val
= hppa_field_adjust (*valp
, 0, hppa_fixP
->fx_r_field
);
4491 CHECK_FIELD (new_val
, 8191, -8192, 0);
4494 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4495 | ((val
& 0x2000) >> 13));
4498 CHECK_FIELD (new_val
, 8191, -8192, 0);
4501 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4502 | ((val
& 0x2000) >> 13));
4504 /* Handle all opcodes with the 'j' operand type. */
4506 CHECK_FIELD (new_val
, 8191, -8192, 0);
4509 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4512 /* Handle all opcodes with the 'k' operand type. */
4514 CHECK_FIELD (new_val
, 1048575, -1048576, 0);
4517 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4520 /* Handle all the opcodes with the 'i' operand type. */
4522 CHECK_FIELD (new_val
, 1023, -1023, 0);
4525 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4528 /* Handle all the opcodes with the 'w' operand type. */
4530 CHECK_FIELD (new_val
, 8199, -8184, 0);
4533 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 ((val
- 8) >> 2);
4536 /* Handle some of the opcodes with the 'W' operand type. */
4539 offsetT distance
= *valp
;
4541 /* If this is an absolute branch (ie no link) with an out of
4542 range target, then we want to complain. */
4543 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4544 && (insn
& 0xffe00000) == 0xe8000000)
4545 CHECK_FIELD (distance
, 262143, -262144, 0);
4547 CHECK_FIELD (new_val
, 262143, -262144, 0);
4550 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 ((val
- 8) >> 2);
4556 offsetT distance
= *valp
;
4558 /* If this is an absolute branch (ie no link) with an out of
4559 range target, then we want to complain. */
4560 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4561 && (insn
& 0xffe00000) == 0xe8000000)
4562 CHECK_FIELD (distance
, 8388607, -8388608, 0);
4564 CHECK_FIELD (new_val
, 8388607, -8388608, 0);
4567 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 ((val
- 8) >> 2);
4573 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4578 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4583 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4591 as_bad (_("Unknown relocation encountered in md_apply_fix."));
4595 /* Insert the relocation. */
4596 bfd_put_32 (stdoutput
, insn
, (unsigned char *) buf
);
4601 printf (_("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n"),
4602 (unsigned int) fixP
, fixP
->fx_r_type
);
4607 /* Exactly what point is a PC-relative offset relative TO?
4608 On the PA, they're relative to the address of the offset. */
4611 md_pcrel_from (fixP
)
4614 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4617 /* Return nonzero if the input line pointer is at the end of
4621 is_end_of_statement ()
4623 return ((*input_line_pointer
== '\n')
4624 || (*input_line_pointer
== ';')
4625 || (*input_line_pointer
== '!'));
4628 /* Read a number from S. The number might come in one of many forms,
4629 the most common will be a hex or decimal constant, but it could be
4630 a pre-defined register (Yuk!), or an absolute symbol.
4632 Return a number or -1 for failure.
4634 When parsing PA-89 FP register numbers RESULT will be
4635 the address of a structure to return information about
4636 L/R half of FP registers, store results there as appropriate.
4638 pa_parse_number can not handle negative constants and will fail
4639 horribly if it is passed such a constant. */
4642 pa_parse_number (s
, result
)
4644 struct pa_11_fp_reg_struct
*result
;
4653 /* Skip whitespace before the number. */
4654 while (*p
== ' ' || *p
== '\t')
4657 /* Store info in RESULT if requested by caller. */
4660 result
->number_part
= -1;
4661 result
->l_r_select
= -1;
4667 /* Looks like a number. */
4670 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4672 /* The number is specified in hex. */
4674 while (isdigit (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4675 || ((*p
>= 'A') && (*p
<= 'F')))
4678 num
= num
* 16 + *p
- '0';
4679 else if (*p
>= 'a' && *p
<= 'f')
4680 num
= num
* 16 + *p
- 'a' + 10;
4682 num
= num
* 16 + *p
- 'A' + 10;
4688 /* The number is specified in decimal. */
4689 while (isdigit (*p
))
4691 num
= num
* 10 + *p
- '0';
4696 /* Store info in RESULT if requested by the caller. */
4699 result
->number_part
= num
;
4701 if (IS_R_SELECT (p
))
4703 result
->l_r_select
= 1;
4706 else if (IS_L_SELECT (p
))
4708 result
->l_r_select
= 0;
4712 result
->l_r_select
= 0;
4717 /* The number might be a predefined register. */
4722 /* Tege hack: Special case for general registers as the general
4723 code makes a binary search with case translation, and is VERY
4728 if (*p
== 'e' && *(p
+ 1) == 't'
4729 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4732 num
= *p
- '0' + 28;
4740 else if (!isdigit (*p
))
4743 as_bad (_("Undefined register: '%s'."), name
);
4749 num
= num
* 10 + *p
++ - '0';
4750 while (isdigit (*p
));
4755 /* Do a normal register search. */
4756 while (is_part_of_name (c
))
4762 status
= reg_name_search (name
);
4768 as_bad (_("Undefined register: '%s'."), name
);
4774 /* Store info in RESULT if requested by caller. */
4777 result
->number_part
= num
;
4778 if (IS_R_SELECT (p
- 1))
4779 result
->l_r_select
= 1;
4780 else if (IS_L_SELECT (p
- 1))
4781 result
->l_r_select
= 0;
4783 result
->l_r_select
= 0;
4788 /* And finally, it could be a symbol in the absolute section which
4789 is effectively a constant. */
4793 while (is_part_of_name (c
))
4799 if ((sym
= symbol_find (name
)) != NULL
)
4801 if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4802 num
= S_GET_VALUE (sym
);
4806 as_bad (_("Non-absolute symbol: '%s'."), name
);
4812 /* There is where we'd come for an undefined symbol
4813 or for an empty string. For an empty string we
4814 will return zero. That's a concession made for
4815 compatability with the braindamaged HP assemblers. */
4821 as_bad (_("Undefined absolute constant: '%s'."), name
);
4827 /* Store info in RESULT if requested by caller. */
4830 result
->number_part
= num
;
4831 if (IS_R_SELECT (p
- 1))
4832 result
->l_r_select
= 1;
4833 else if (IS_L_SELECT (p
- 1))
4834 result
->l_r_select
= 0;
4836 result
->l_r_select
= 0;
4844 #define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
4846 /* Given NAME, find the register number associated with that name, return
4847 the integer value associated with the given name or -1 on failure. */
4850 reg_name_search (name
)
4853 int middle
, low
, high
;
4857 high
= REG_NAME_CNT
- 1;
4861 middle
= (low
+ high
) / 2;
4862 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4868 return pre_defined_registers
[middle
].value
;
4870 while (low
<= high
);
4876 /* Return nonzero if the given INSN and L/R information will require
4877 a new PA-1.1 opcode. */
4880 need_pa11_opcode (insn
, result
)
4882 struct pa_11_fp_reg_struct
*result
;
4884 if (result
->l_r_select
== 1 && !(insn
->fpof1
== DBL
&& insn
->fpof2
== DBL
))
4886 /* If this instruction is specific to a particular architecture,
4887 then set a new architecture. */
4888 if (bfd_get_mach (stdoutput
) < pa11
)
4890 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4891 as_warn (_("could not update architecture and machine"));
4899 /* Parse a condition for a fcmp instruction. Return the numerical
4900 code associated with the condition. */
4903 pa_parse_fp_cmp_cond (s
)
4910 for (i
= 0; i
< 32; i
++)
4912 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4913 strlen (fp_cond_map
[i
].string
)) == 0)
4915 cond
= fp_cond_map
[i
].cond
;
4916 *s
+= strlen (fp_cond_map
[i
].string
);
4917 /* If not a complete match, back up the input string and
4919 if (**s
!= ' ' && **s
!= '\t')
4921 *s
-= strlen (fp_cond_map
[i
].string
);
4924 while (**s
== ' ' || **s
== '\t')
4930 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4932 /* Advance over the bogus completer. */
4933 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4939 /* Parse a graphics test complete for ftest. */
4942 pa_parse_ftest_gfx_completer (s
)
4948 if (strncasecmp (*s
, "acc8", 4) == 0)
4953 else if (strncasecmp (*s
, "acc6", 4) == 0)
4958 else if (strncasecmp (*s
, "acc4", 4) == 0)
4963 else if (strncasecmp (*s
, "acc2", 4) == 0)
4968 else if (strncasecmp (*s
, "acc", 3) == 0)
4973 else if (strncasecmp (*s
, "rej8", 4) == 0)
4978 else if (strncasecmp (*s
, "rej", 3) == 0)
4986 as_bad (_("Invalid FTEST completer: %s"), *s
);
4992 /* Parse an FP operand format completer returning the completer
4995 static fp_operand_format
4996 pa_parse_fp_cnv_format (s
)
5005 if (strncasecmp (*s
, "sgl", 3) == 0)
5010 else if (strncasecmp (*s
, "dbl", 3) == 0)
5015 else if (strncasecmp (*s
, "quad", 4) == 0)
5020 else if (strncasecmp (*s
, "w", 1) == 0)
5025 else if (strncasecmp (*s
, "uw", 2) == 0)
5030 else if (strncasecmp (*s
, "dw", 2) == 0)
5035 else if (strncasecmp (*s
, "udw", 3) == 0)
5040 else if (strncasecmp (*s
, "qw", 2) == 0)
5045 else if (strncasecmp (*s
, "uqw", 3) == 0)
5052 format
= ILLEGAL_FMT
;
5053 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5060 /* Parse an FP operand format completer returning the completer
5063 static fp_operand_format
5064 pa_parse_fp_format (s
)
5073 if (strncasecmp (*s
, "sgl", 3) == 0)
5078 else if (strncasecmp (*s
, "dbl", 3) == 0)
5083 else if (strncasecmp (*s
, "quad", 4) == 0)
5090 format
= ILLEGAL_FMT
;
5091 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5098 /* Convert from a selector string into a selector type. */
5101 pa_chk_field_selector (str
)
5104 int middle
, low
, high
;
5108 /* Read past any whitespace. */
5109 /* FIXME: should we read past newlines and formfeeds??? */
5110 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5113 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5114 name
[0] = tolower ((*str
)[0]),
5116 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5117 name
[0] = tolower ((*str
)[0]),
5118 name
[1] = tolower ((*str
)[1]),
5120 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5121 name
[0] = tolower ((*str
)[0]),
5122 name
[1] = tolower ((*str
)[1]),
5123 name
[2] = tolower ((*str
)[2]),
5129 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5133 middle
= (low
+ high
) / 2;
5134 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5141 *str
+= strlen (name
) + 1;
5143 if (selector_table
[middle
].field_selector
== e_nsel
)
5146 return selector_table
[middle
].field_selector
;
5149 while (low
<= high
);
5154 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5157 get_expression (str
)
5163 save_in
= input_line_pointer
;
5164 input_line_pointer
= str
;
5165 seg
= expression (&the_insn
.exp
);
5166 if (!(seg
== absolute_section
5167 || seg
== undefined_section
5168 || SEG_NORMAL (seg
)))
5170 as_warn (_("Bad segment in expression."));
5171 expr_end
= input_line_pointer
;
5172 input_line_pointer
= save_in
;
5175 expr_end
= input_line_pointer
;
5176 input_line_pointer
= save_in
;
5180 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5182 pa_get_absolute_expression (insn
, strp
)
5188 insn
->field_selector
= pa_chk_field_selector (strp
);
5189 save_in
= input_line_pointer
;
5190 input_line_pointer
= *strp
;
5191 expression (&insn
->exp
);
5192 /* This is not perfect, but is a huge improvement over doing nothing.
5194 The PA assembly syntax is ambigious in a variety of ways. Consider
5195 this string "4 %r5" Is that the number 4 followed by the register
5196 r5, or is that 4 MOD 5?
5198 If we get a modulo expresion When looking for an absolute, we try
5199 again cutting off the input string at the first whitespace character. */
5200 if (insn
->exp
.X_op
== O_modulus
)
5205 input_line_pointer
= *strp
;
5207 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5213 retval
= pa_get_absolute_expression (insn
, strp
);
5215 input_line_pointer
= save_in
;
5217 return evaluate_absolute (insn
);
5219 /* When in strict mode we have a non-match, fix up the pointers
5220 and return to our caller. */
5221 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5223 expr_end
= input_line_pointer
;
5224 input_line_pointer
= save_in
;
5227 if (insn
->exp
.X_op
!= O_constant
)
5229 as_bad (_("Bad segment (should be absolute)."));
5230 expr_end
= input_line_pointer
;
5231 input_line_pointer
= save_in
;
5234 expr_end
= input_line_pointer
;
5235 input_line_pointer
= save_in
;
5236 return evaluate_absolute (insn
);
5239 /* Evaluate an absolute expression EXP which may be modified by
5240 the selector FIELD_SELECTOR. Return the value of the expression. */
5242 evaluate_absolute (insn
)
5247 int field_selector
= insn
->field_selector
;
5250 value
= exp
.X_add_number
;
5252 return hppa_field_adjust (0, value
, field_selector
);
5255 /* Given an argument location specification return the associated
5256 argument location number. */
5259 pa_build_arg_reloc (type_name
)
5263 if (strncasecmp (type_name
, "no", 2) == 0)
5265 if (strncasecmp (type_name
, "gr", 2) == 0)
5267 else if (strncasecmp (type_name
, "fr", 2) == 0)
5269 else if (strncasecmp (type_name
, "fu", 2) == 0)
5272 as_bad (_("Invalid argument location: %s\n"), type_name
);
5277 /* Encode and return an argument relocation specification for
5278 the given register in the location specified by arg_reloc. */
5281 pa_align_arg_reloc (reg
, arg_reloc
)
5283 unsigned int arg_reloc
;
5285 unsigned int new_reloc
;
5287 new_reloc
= arg_reloc
;
5303 as_bad (_("Invalid argument description: %d"), reg
);
5309 /* Parse a PA nullification completer (,n). Return nonzero if the
5310 completer was found; return zero if no completer was found. */
5322 if (strncasecmp (*s
, "n", 1) == 0)
5326 as_bad (_("Invalid Nullification: (%c)"), **s
);
5335 /* Parse a non-negated compare/subtract completer returning the
5336 number (for encoding in instrutions) of the given completer.
5338 ISBRANCH specifies whether or not this is parsing a condition
5339 completer for a branch (vs a nullification completer for a
5340 computational instruction. */
5343 pa_parse_nonneg_cmpsub_cmpltr (s
, isbranch
)
5348 char *name
= *s
+ 1;
5357 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5363 if (strcmp (name
, "=") == 0)
5367 else if (strcmp (name
, "<") == 0)
5371 else if (strcmp (name
, "<=") == 0)
5375 else if (strcmp (name
, "<<") == 0)
5379 else if (strcmp (name
, "<<=") == 0)
5383 else if (strcasecmp (name
, "sv") == 0)
5387 else if (strcasecmp (name
, "od") == 0)
5391 /* If we have something like addb,n then there is no condition
5393 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5405 /* Reset pointers if this was really a ,n for a branch instruction. */
5413 /* Parse a negated compare/subtract completer returning the
5414 number (for encoding in instrutions) of the given completer.
5416 ISBRANCH specifies whether or not this is parsing a condition
5417 completer for a branch (vs a nullification completer for a
5418 computational instruction. */
5421 pa_parse_neg_cmpsub_cmpltr (s
, isbranch
)
5426 char *name
= *s
+ 1;
5435 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5441 if (strcasecmp (name
, "tr") == 0)
5445 else if (strcmp (name
, "<>") == 0)
5449 else if (strcmp (name
, ">=") == 0)
5453 else if (strcmp (name
, ">") == 0)
5457 else if (strcmp (name
, ">>=") == 0)
5461 else if (strcmp (name
, ">>") == 0)
5465 else if (strcasecmp (name
, "nsv") == 0)
5469 else if (strcasecmp (name
, "ev") == 0)
5473 /* If we have something like addb,n then there is no condition
5475 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5487 /* Reset pointers if this was really a ,n for a branch instruction. */
5496 /* Parse a 64 bit compare and branch completer returning the number (for
5497 encoding in instrutions) of the given completer.
5499 Nonnegated comparisons are returned as 0-7, negated comparisons are
5500 returned as 8-15. */
5503 pa_parse_cmpb_64_cmpltr (s
)
5507 char *name
= *s
+ 1;
5514 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5519 if (strcmp (name
, "*") == 0)
5523 else if (strcmp (name
, "*=") == 0)
5527 else if (strcmp (name
, "*<") == 0)
5531 else if (strcmp (name
, "*<=") == 0)
5535 else if (strcmp (name
, "*<<") == 0)
5539 else if (strcmp (name
, "*<<=") == 0)
5543 else if (strcasecmp (name
, "*sv") == 0)
5547 else if (strcasecmp (name
, "*od") == 0)
5551 else if (strcasecmp (name
, "*tr") == 0)
5555 else if (strcmp (name
, "*<>") == 0)
5559 else if (strcmp (name
, "*>=") == 0)
5563 else if (strcmp (name
, "*>") == 0)
5567 else if (strcmp (name
, "*>>=") == 0)
5571 else if (strcmp (name
, "*>>") == 0)
5575 else if (strcasecmp (name
, "*nsv") == 0)
5579 else if (strcasecmp (name
, "*ev") == 0)
5594 /* Parse a 64 bit compare immediate and branch completer returning the number
5595 (for encoding in instrutions) of the given completer. */
5598 pa_parse_cmpib_64_cmpltr (s
)
5602 char *name
= *s
+ 1;
5609 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5614 if (strcmp (name
, "*<<") == 0)
5618 else if (strcmp (name
, "*=") == 0)
5622 else if (strcmp (name
, "*<") == 0)
5626 else if (strcmp (name
, "*<=") == 0)
5630 else if (strcmp (name
, "*>>=") == 0)
5634 else if (strcmp (name
, "*<>") == 0)
5638 else if (strcasecmp (name
, "*>=") == 0)
5642 else if (strcasecmp (name
, "*>") == 0)
5657 /* Parse a non-negated addition completer returning the number
5658 (for encoding in instrutions) of the given completer.
5660 ISBRANCH specifies whether or not this is parsing a condition
5661 completer for a branch (vs a nullification completer for a
5662 computational instruction. */
5665 pa_parse_nonneg_add_cmpltr (s
, isbranch
)
5670 char *name
= *s
+ 1;
5678 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5682 if (strcmp (name
, "=") == 0)
5686 else if (strcmp (name
, "<") == 0)
5690 else if (strcmp (name
, "<=") == 0)
5694 else if (strcasecmp (name
, "nuv") == 0)
5698 else if (strcasecmp (name
, "znv") == 0)
5702 else if (strcasecmp (name
, "sv") == 0)
5706 else if (strcasecmp (name
, "od") == 0)
5710 /* If we have something like addb,n then there is no condition
5712 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5723 /* Reset pointers if this was really a ,n for a branch instruction. */
5724 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
5730 /* Parse a negated addition completer returning the number
5731 (for encoding in instrutions) of the given completer.
5733 ISBRANCH specifies whether or not this is parsing a condition
5734 completer for a branch (vs a nullification completer for a
5735 computational instruction). */
5738 pa_parse_neg_add_cmpltr (s
, isbranch
)
5743 char *name
= *s
+ 1;
5751 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5755 if (strcasecmp (name
, "tr") == 0)
5759 else if (strcmp (name
, "<>") == 0)
5763 else if (strcmp (name
, ">=") == 0)
5767 else if (strcmp (name
, ">") == 0)
5771 else if (strcasecmp (name
, "uv") == 0)
5775 else if (strcasecmp (name
, "vnz") == 0)
5779 else if (strcasecmp (name
, "nsv") == 0)
5783 else if (strcasecmp (name
, "ev") == 0)
5787 /* If we have something like addb,n then there is no condition
5789 else if (strcasecmp (name
, "n") == 0 && isbranch
)
5800 /* Reset pointers if this was really a ,n for a branch instruction. */
5801 if (cmpltr
== 0 && *name
== 'n' && isbranch
)
5807 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5808 encoding in instrutions) of the given completer. */
5811 pa_parse_addb_64_cmpltr (s
)
5815 char *name
= *s
+ 1;
5824 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5828 if (strcmp (name
, "=") == 0)
5832 else if (strcmp (name
, "<") == 0)
5836 else if (strcmp (name
, "<=") == 0)
5840 else if (strcasecmp (name
, "nuv") == 0)
5844 else if (strcasecmp (name
, "*=") == 0)
5848 else if (strcasecmp (name
, "*<") == 0)
5852 else if (strcasecmp (name
, "*<=") == 0)
5856 else if (strcmp (name
, "tr") == 0)
5860 else if (strcmp (name
, "<>") == 0)
5864 else if (strcmp (name
, ">=") == 0)
5868 else if (strcmp (name
, ">") == 0)
5872 else if (strcasecmp (name
, "uv") == 0)
5876 else if (strcasecmp (name
, "*<>") == 0)
5880 else if (strcasecmp (name
, "*>=") == 0)
5884 else if (strcasecmp (name
, "*>") == 0)
5888 /* If we have something like addb,n then there is no condition
5890 else if (strcasecmp (name
, "n") == 0)
5902 /* Reset pointers if this was really a ,n for a branch instruction. */
5910 /* Handle an alignment directive. Special so that we can update the
5911 alignment of the subspace if necessary. */
5915 /* We must have a valid space and subspace. */
5916 pa_check_current_space_and_subspace ();
5918 /* Let the generic gas code do most of the work. */
5919 s_align_bytes (bytes
);
5921 /* If bytes is a power of 2, then update the current subspace's
5922 alignment if necessary. */
5923 if (log2 (bytes
) != -1)
5924 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5928 /* Handle a .BLOCK type pseudo-op. */
5932 int z ATTRIBUTE_UNUSED
;
5936 unsigned int temp_size
;
5940 /* We must have a valid space and subspace. */
5941 pa_check_current_space_and_subspace ();
5944 temp_size
= get_absolute_expression ();
5946 /* Always fill with zeros, that's what the HP assembler does. */
5949 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5950 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5951 memset (p
, 0, temp_size
);
5953 /* Convert 2 bytes at a time. */
5955 for (i
= 0; i
< temp_size
; i
+= 2)
5957 md_number_to_chars (p
+ i
,
5959 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5962 pa_undefine_label ();
5963 demand_empty_rest_of_line ();
5966 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5970 int begin ATTRIBUTE_UNUSED
;
5974 /* The BRTAB relocations are only availble in SOM (to denote
5975 the beginning and end of branch tables). */
5976 char *where
= frag_more (0);
5978 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5979 NULL
, (offsetT
) 0, NULL
,
5980 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5981 e_fsel
, 0, 0, NULL
);
5984 demand_empty_rest_of_line ();
5987 /* Handle a .begin_try and .end_try pseudo-op. */
5991 int begin ATTRIBUTE_UNUSED
;
5995 char *where
= frag_more (0);
6000 /* The TRY relocations are only availble in SOM (to denote
6001 the beginning and end of exception handling regions). */
6003 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6004 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
6005 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6006 e_fsel
, 0, 0, NULL
);
6009 demand_empty_rest_of_line ();
6012 /* Handle a .CALL pseudo-op. This involves storing away information
6013 about where arguments are to be found so the linker can detect
6014 (and correct) argument location mismatches between caller and callee. */
6018 int unused ATTRIBUTE_UNUSED
;
6021 /* We must have a valid space and subspace. */
6022 pa_check_current_space_and_subspace ();
6025 pa_call_args (&last_call_desc
);
6026 demand_empty_rest_of_line ();
6029 /* Do the dirty work of building a call descriptor which describes
6030 where the caller placed arguments to a function call. */
6033 pa_call_args (call_desc
)
6034 struct call_desc
*call_desc
;
6037 unsigned int temp
, arg_reloc
;
6039 while (!is_end_of_statement ())
6041 name
= input_line_pointer
;
6042 c
= get_symbol_end ();
6043 /* Process a source argument. */
6044 if ((strncasecmp (name
, "argw", 4) == 0))
6046 temp
= atoi (name
+ 4);
6047 p
= input_line_pointer
;
6049 input_line_pointer
++;
6050 name
= input_line_pointer
;
6051 c
= get_symbol_end ();
6052 arg_reloc
= pa_build_arg_reloc (name
);
6053 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6055 /* Process a return value. */
6056 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6058 p
= input_line_pointer
;
6060 input_line_pointer
++;
6061 name
= input_line_pointer
;
6062 c
= get_symbol_end ();
6063 arg_reloc
= pa_build_arg_reloc (name
);
6064 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6068 as_bad (_("Invalid .CALL argument: %s"), name
);
6070 p
= input_line_pointer
;
6072 if (!is_end_of_statement ())
6073 input_line_pointer
++;
6077 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6080 is_same_frag (frag1
, frag2
)
6087 else if (frag2
== NULL
)
6089 else if (frag1
== frag2
)
6091 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6092 return (is_same_frag (frag1
, frag2
->fr_next
));
6098 /* Build an entry in the UNWIND subspace from the given function
6099 attributes in CALL_INFO. This is not needed for SOM as using
6100 R_ENTRY and R_EXIT relocations allow the linker to handle building
6101 of the unwind spaces. */
6104 pa_build_unwind_subspace (call_info
)
6105 struct call_info
*call_info
;
6108 asection
*seg
, *save_seg
;
6109 subsegT save_subseg
;
6114 if (now_seg
!= text_section
)
6117 if (bfd_get_arch_info (stdoutput
)->bits_per_address
== 32)
6118 reloc
= R_PARISC_DIR32
;
6120 reloc
= R_PARISC_SEGREL32
;
6123 save_subseg
= now_subseg
;
6124 /* Get into the right seg/subseg. This may involve creating
6125 the seg the first time through. Make sure to have the
6126 old seg/subseg so that we can reset things when we are done. */
6127 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6128 if (seg
== ASEC_NULL
)
6130 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6131 bfd_set_section_flags (stdoutput
, seg
,
6132 SEC_READONLY
| SEC_HAS_CONTENTS
6133 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6134 bfd_set_section_alignment (stdoutput
, seg
, 2);
6137 subseg_set (seg
, 0);
6140 /* Get some space to hold relocation information for the unwind
6143 md_number_to_chars (p
, 0, 4);
6145 /* Relocation info. for start offset of the function. */
6146 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6147 call_info
->start_symbol
, (offsetT
) 0,
6148 (expressionS
*) NULL
, 0, reloc
,
6149 e_fsel
, 32, 0, NULL
);
6152 md_number_to_chars (p
, 0, 4);
6154 /* Relocation info. for end offset of the function.
6156 Because we allow reductions of 32bit relocations for ELF, this will be
6157 reduced to section_sym + offset which avoids putting the temporary
6158 symbol into the symbol table. It (should) end up giving the same
6159 value as call_info->start_symbol + function size once the linker is
6160 finished with its work. */
6162 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6163 call_info
->end_symbol
, (offsetT
) 0,
6164 (expressionS
*) NULL
, 0, reloc
,
6165 e_fsel
, 32, 0, NULL
);
6168 unwind
= (char *) &call_info
->ci_unwind
;
6169 for (i
= 8; i
< sizeof (struct unwind_table
); i
++)
6173 FRAG_APPEND_1_CHAR (c
);
6177 /* Return back to the original segment/subsegment. */
6178 subseg_set (save_seg
, save_subseg
);
6182 /* Process a .CALLINFO pseudo-op. This information is used later
6183 to build unwind descriptors and maybe one day to support
6184 .ENTER and .LEAVE. */
6187 pa_callinfo (unused
)
6188 int unused ATTRIBUTE_UNUSED
;
6194 /* We must have a valid space and subspace. */
6195 pa_check_current_space_and_subspace ();
6198 /* .CALLINFO must appear within a procedure definition. */
6199 if (!within_procedure
)
6200 as_bad (_(".callinfo is not within a procedure definition"));
6202 /* Mark the fact that we found the .CALLINFO for the
6203 current procedure. */
6204 callinfo_found
= TRUE
;
6206 /* Iterate over the .CALLINFO arguments. */
6207 while (!is_end_of_statement ())
6209 name
= input_line_pointer
;
6210 c
= get_symbol_end ();
6211 /* Frame size specification. */
6212 if ((strncasecmp (name
, "frame", 5) == 0))
6214 p
= input_line_pointer
;
6216 input_line_pointer
++;
6217 temp
= get_absolute_expression ();
6218 if ((temp
& 0x3) != 0)
6220 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6224 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6225 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6228 /* Entry register (GR, GR and SR) specifications. */
6229 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6231 p
= input_line_pointer
;
6233 input_line_pointer
++;
6234 temp
= get_absolute_expression ();
6235 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6236 even though %r19 is caller saved. I think this is a bug in
6237 the HP assembler, and we are not going to emulate it. */
6238 if (temp
< 3 || temp
> 18)
6239 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6240 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6242 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6244 p
= input_line_pointer
;
6246 input_line_pointer
++;
6247 temp
= get_absolute_expression ();
6248 /* Similarly the HP assembler takes 31 as the high bound even
6249 though %fr21 is the last callee saved floating point register. */
6250 if (temp
< 12 || temp
> 21)
6251 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6252 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6254 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6256 p
= input_line_pointer
;
6258 input_line_pointer
++;
6259 temp
= get_absolute_expression ();
6261 as_bad (_("Value for ENTRY_SR must be 3\n"));
6263 /* Note whether or not this function performs any calls. */
6264 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6265 (strncasecmp (name
, "caller", 6) == 0))
6267 p
= input_line_pointer
;
6270 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6272 p
= input_line_pointer
;
6275 /* Should RP be saved into the stack. */
6276 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6278 p
= input_line_pointer
;
6280 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6282 /* Likewise for SP. */
6283 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6285 p
= input_line_pointer
;
6287 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6289 /* Is this an unwindable procedure. If so mark it so
6290 in the unwind descriptor. */
6291 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6293 p
= input_line_pointer
;
6295 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6297 /* Is this an interrupt routine. If so mark it in the
6298 unwind descriptor. */
6299 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6301 p
= input_line_pointer
;
6303 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6305 /* Is this a millicode routine. "millicode" isn't in my
6306 assembler manual, but my copy is old. The HP assembler
6307 accepts it, and there's a place in the unwind descriptor
6308 to drop the information, so we'll accept it too. */
6309 else if ((strncasecmp (name
, "millicode", 9) == 0))
6311 p
= input_line_pointer
;
6313 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6317 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6318 *input_line_pointer
= c
;
6320 if (!is_end_of_statement ())
6321 input_line_pointer
++;
6324 demand_empty_rest_of_line ();
6327 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
6328 /* Switch to the text space. Like s_text, but delete our
6329 label when finished. */
6332 int unused ATTRIBUTE_UNUSED
;
6335 current_space
= is_defined_space ("$TEXT$");
6337 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6341 pa_undefine_label ();
6344 /* Switch to the data space. As usual delete our label. */
6347 int unused ATTRIBUTE_UNUSED
;
6350 current_space
= is_defined_space ("$PRIVATE$");
6352 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6355 pa_undefine_label ();
6358 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6359 the .comm pseudo-op has the following symtax:
6361 <label> .comm <length>
6363 where <label> is optional and is a symbol whose address will be the start of
6364 a block of memory <length> bytes long. <length> must be an absolute
6365 expression. <length> bytes will be allocated in the current space
6368 Also note the label may not even be on the same line as the .comm.
6370 This difference in syntax means the colon function will be called
6371 on the symbol before we arrive in pa_comm. colon will set a number
6372 of attributes of the symbol that need to be fixed here. In particular
6373 the value, section pointer, fragment pointer, flags, etc. What
6376 This also makes error detection all but impossible. */
6380 int unused ATTRIBUTE_UNUSED
;
6384 label_symbol_struct
*label_symbol
= pa_get_label ();
6387 symbol
= label_symbol
->lss_label
;
6392 size
= get_absolute_expression ();
6396 S_SET_VALUE (symbol
, size
);
6397 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6398 S_SET_EXTERNAL (symbol
);
6400 /* colon() has already set the frag to the current location in the
6401 current subspace; we need to reset the fragment to the zero address
6402 fragment. We also need to reset the segment pointer. */
6403 symbol_set_frag (symbol
, &zero_address_frag
);
6405 demand_empty_rest_of_line ();
6407 #endif /* !(defined (OBJ_ELF) && defined (TE_LINUX)) */
6409 /* Process a .END pseudo-op. */
6413 int unused ATTRIBUTE_UNUSED
;
6415 demand_empty_rest_of_line ();
6418 /* Process a .ENTER pseudo-op. This is not supported. */
6421 int unused ATTRIBUTE_UNUSED
;
6424 /* We must have a valid space and subspace. */
6425 pa_check_current_space_and_subspace ();
6428 as_bad (_("The .ENTER pseudo-op is not supported"));
6429 demand_empty_rest_of_line ();
6432 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6436 int unused ATTRIBUTE_UNUSED
;
6439 /* We must have a valid space and subspace. */
6440 pa_check_current_space_and_subspace ();
6443 if (!within_procedure
)
6444 as_bad (_("Misplaced .entry. Ignored."));
6447 if (!callinfo_found
)
6448 as_bad (_("Missing .callinfo."));
6450 demand_empty_rest_of_line ();
6451 within_entry_exit
= TRUE
;
6454 /* SOM defers building of unwind descriptors until the link phase.
6455 The assembler is responsible for creating an R_ENTRY relocation
6456 to mark the beginning of a region and hold the unwind bits, and
6457 for creating an R_EXIT relocation to mark the end of the region.
6459 FIXME. ELF should be using the same conventions! The problem
6460 is an unwind requires too much relocation space. Hmmm. Maybe
6461 if we split the unwind bits up between the relocations which
6462 denote the entry and exit points. */
6463 if (last_call_info
->start_symbol
!= NULL
)
6465 char *where
= frag_more (0);
6467 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6468 NULL
, (offsetT
) 0, NULL
,
6469 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
6470 (int *) &last_call_info
->ci_unwind
.descriptor
);
6475 /* Handle a .EQU pseudo-op. */
6481 label_symbol_struct
*label_symbol
= pa_get_label ();
6486 symbol
= label_symbol
->lss_label
;
6488 S_SET_VALUE (symbol
, pa_parse_number (&input_line_pointer
, 0));
6490 S_SET_VALUE (symbol
, (unsigned int) get_absolute_expression ());
6491 S_SET_SEGMENT (symbol
, bfd_abs_section_ptr
);
6496 as_bad (_(".REG must use a label"));
6498 as_bad (_(".EQU must use a label"));
6501 pa_undefine_label ();
6502 demand_empty_rest_of_line ();
6505 /* Helper function. Does processing for the end of a function. This
6506 usually involves creating some relocations or building special
6507 symbols to mark the end of the function. */
6514 where
= frag_more (0);
6517 /* Mark the end of the function, stuff away the location of the frag
6518 for the end of the function, and finally call pa_build_unwind_subspace
6519 to add an entry in the unwind table. */
6520 hppa_elf_mark_end_of_function ();
6521 pa_build_unwind_subspace (last_call_info
);
6523 /* SOM defers building of unwind descriptors until the link phase.
6524 The assembler is responsible for creating an R_ENTRY relocation
6525 to mark the beginning of a region and hold the unwind bits, and
6526 for creating an R_EXIT relocation to mark the end of the region.
6528 FIXME. ELF should be using the same conventions! The problem
6529 is an unwind requires too much relocation space. Hmmm. Maybe
6530 if we split the unwind bits up between the relocations which
6531 denote the entry and exit points. */
6532 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6534 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6535 (int *) &last_call_info
->ci_unwind
.descriptor
+ 1);
6539 /* Process a .EXIT pseudo-op. */
6543 int unused ATTRIBUTE_UNUSED
;
6546 /* We must have a valid space and subspace. */
6547 pa_check_current_space_and_subspace ();
6550 if (!within_procedure
)
6551 as_bad (_(".EXIT must appear within a procedure"));
6554 if (!callinfo_found
)
6555 as_bad (_("Missing .callinfo"));
6558 if (!within_entry_exit
)
6559 as_bad (_("No .ENTRY for this .EXIT"));
6562 within_entry_exit
= FALSE
;
6567 demand_empty_rest_of_line ();
6570 /* Process a .EXPORT directive. This makes functions external
6571 and provides information such as argument relocation entries
6576 int unused ATTRIBUTE_UNUSED
;
6581 name
= input_line_pointer
;
6582 c
= get_symbol_end ();
6583 /* Make sure the given symbol exists. */
6584 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6586 as_bad (_("Cannot define export symbol: %s\n"), name
);
6587 p
= input_line_pointer
;
6589 input_line_pointer
++;
6593 /* OK. Set the external bits and process argument relocations.
6594 For the HP, weak and global are not mutually exclusive.
6595 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6596 Call S_SET_EXTERNAL to get the other processing. Manually
6597 set BSF_GLOBAL when we get back. */
6598 S_SET_EXTERNAL (symbol
);
6599 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6600 p
= input_line_pointer
;
6602 if (!is_end_of_statement ())
6604 input_line_pointer
++;
6605 pa_type_args (symbol
, 1);
6609 demand_empty_rest_of_line ();
6612 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6615 pa_type_args (symbolP
, is_export
)
6620 unsigned int temp
, arg_reloc
;
6621 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6623 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6626 input_line_pointer
+= 8;
6627 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6628 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6629 type
= SYMBOL_TYPE_ABSOLUTE
;
6631 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6633 input_line_pointer
+= 4;
6634 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6635 instead one should be IMPORTing/EXPORTing ENTRY types.
6637 Complain if one tries to EXPORT a CODE type since that's never
6638 done. Both GCC and HP C still try to IMPORT CODE types, so
6639 silently fix them to be ENTRY types. */
6640 if (S_IS_FUNCTION (symbolP
))
6643 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6644 S_GET_NAME (symbolP
));
6646 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6647 type
= SYMBOL_TYPE_ENTRY
;
6651 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6652 type
= SYMBOL_TYPE_CODE
;
6655 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6657 input_line_pointer
+= 4;
6658 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6659 symbol_get_bfdsym (symbolP
)->flags
|= BSF_OBJECT
;
6660 type
= SYMBOL_TYPE_DATA
;
6662 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6664 input_line_pointer
+= 5;
6665 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6666 type
= SYMBOL_TYPE_ENTRY
;
6668 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6670 input_line_pointer
+= 9;
6671 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6672 type
= SYMBOL_TYPE_MILLICODE
;
6674 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6676 input_line_pointer
+= 6;
6677 symbol_get_bfdsym (symbolP
)->flags
&= ~BSF_FUNCTION
;
6678 type
= SYMBOL_TYPE_PLABEL
;
6680 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6682 input_line_pointer
+= 8;
6683 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6684 type
= SYMBOL_TYPE_PRI_PROG
;
6686 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6688 input_line_pointer
+= 8;
6689 symbol_get_bfdsym (symbolP
)->flags
|= BSF_FUNCTION
;
6690 type
= SYMBOL_TYPE_SEC_PROG
;
6693 /* SOM requires much more information about symbol types
6694 than BFD understands. This is how we get this information
6695 to the SOM BFD backend. */
6696 #ifdef obj_set_symbol_type
6697 obj_set_symbol_type (symbol_get_bfdsym (symbolP
), (int) type
);
6700 /* Now that the type of the exported symbol has been handled,
6701 handle any argument relocation information. */
6702 while (!is_end_of_statement ())
6704 if (*input_line_pointer
== ',')
6705 input_line_pointer
++;
6706 name
= input_line_pointer
;
6707 c
= get_symbol_end ();
6708 /* Argument sources. */
6709 if ((strncasecmp (name
, "argw", 4) == 0))
6711 p
= input_line_pointer
;
6713 input_line_pointer
++;
6714 temp
= atoi (name
+ 4);
6715 name
= input_line_pointer
;
6716 c
= get_symbol_end ();
6717 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6718 #if defined (SOM) || defined (ELF_ARG_RELOC)
6719 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6721 *input_line_pointer
= c
;
6723 /* The return value. */
6724 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6726 p
= input_line_pointer
;
6728 input_line_pointer
++;
6729 name
= input_line_pointer
;
6730 c
= get_symbol_end ();
6731 arg_reloc
= pa_build_arg_reloc (name
);
6732 #if defined (SOM) || defined (ELF_ARG_RELOC)
6733 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6735 *input_line_pointer
= c
;
6737 /* Privelege level. */
6738 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6740 p
= input_line_pointer
;
6742 input_line_pointer
++;
6743 temp
= atoi (input_line_pointer
);
6745 ((obj_symbol_type
*) symbol_get_bfdsym (symbolP
))
6746 ->tc_data
.ap
.hppa_priv_level
= temp
;
6748 c
= get_symbol_end ();
6749 *input_line_pointer
= c
;
6753 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6754 p
= input_line_pointer
;
6757 if (!is_end_of_statement ())
6758 input_line_pointer
++;
6762 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6763 assembly file must either be defined in the assembly file, or
6764 explicitly IMPORTED from another. */
6768 int unused ATTRIBUTE_UNUSED
;
6773 name
= input_line_pointer
;
6774 c
= get_symbol_end ();
6776 symbol
= symbol_find (name
);
6777 /* Ugh. We might be importing a symbol defined earlier in the file,
6778 in which case all the code below will really screw things up
6779 (set the wrong segment, symbol flags & type, etc). */
6780 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6782 symbol
= symbol_find_or_make (name
);
6783 p
= input_line_pointer
;
6786 if (!is_end_of_statement ())
6788 input_line_pointer
++;
6789 pa_type_args (symbol
, 0);
6793 /* Sigh. To be compatable with the HP assembler and to help
6794 poorly written assembly code, we assign a type based on
6795 the the current segment. Note only BSF_FUNCTION really
6796 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6797 if (now_seg
== text_section
)
6798 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6800 /* If the section is undefined, then the symbol is undefined
6801 Since this is an import, leave the section undefined. */
6802 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6807 /* The symbol was already defined. Just eat everything up to
6808 the end of the current statement. */
6809 while (!is_end_of_statement ())
6810 input_line_pointer
++;
6813 demand_empty_rest_of_line ();
6816 /* Handle a .LABEL pseudo-op. */
6820 int unused ATTRIBUTE_UNUSED
;
6824 name
= input_line_pointer
;
6825 c
= get_symbol_end ();
6827 if (strlen (name
) > 0)
6830 p
= input_line_pointer
;
6835 as_warn (_("Missing label name on .LABEL"));
6838 if (!is_end_of_statement ())
6840 as_warn (_("extra .LABEL arguments ignored."));
6841 ignore_rest_of_line ();
6843 demand_empty_rest_of_line ();
6846 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6850 int unused ATTRIBUTE_UNUSED
;
6853 /* We must have a valid space and subspace. */
6854 pa_check_current_space_and_subspace ();
6857 as_bad (_("The .LEAVE pseudo-op is not supported"));
6858 demand_empty_rest_of_line ();
6861 /* Handle a .LEVEL pseudo-op. */
6865 int unused ATTRIBUTE_UNUSED
;
6869 level
= input_line_pointer
;
6870 if (strncmp (level
, "1.0", 3) == 0)
6872 input_line_pointer
+= 3;
6873 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6874 as_warn (_("could not set architecture and machine"));
6876 else if (strncmp (level
, "1.1", 3) == 0)
6878 input_line_pointer
+= 3;
6879 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6880 as_warn (_("could not set architecture and machine"));
6882 else if (strncmp (level
, "2.0w", 4) == 0)
6884 input_line_pointer
+= 4;
6885 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6886 as_warn (_("could not set architecture and machine"));
6888 else if (strncmp (level
, "2.0", 3) == 0)
6890 input_line_pointer
+= 3;
6891 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6892 as_warn (_("could not set architecture and machine"));
6896 as_bad (_("Unrecognized .LEVEL argument\n"));
6897 ignore_rest_of_line ();
6899 demand_empty_rest_of_line ();
6902 /* Handle a .ORIGIN pseudo-op. */
6906 int unused ATTRIBUTE_UNUSED
;
6909 /* We must have a valid space and subspace. */
6910 pa_check_current_space_and_subspace ();
6914 pa_undefine_label ();
6917 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6918 is for static functions. FIXME. Should share more code with .EXPORT. */
6922 int unused ATTRIBUTE_UNUSED
;
6927 name
= input_line_pointer
;
6928 c
= get_symbol_end ();
6930 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6932 as_bad (_("Cannot define static symbol: %s\n"), name
);
6933 p
= input_line_pointer
;
6935 input_line_pointer
++;
6939 S_CLEAR_EXTERNAL (symbol
);
6940 p
= input_line_pointer
;
6942 if (!is_end_of_statement ())
6944 input_line_pointer
++;
6945 pa_type_args (symbol
, 0);
6949 demand_empty_rest_of_line ();
6952 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6953 of a procedure from a syntactical point of view. */
6957 int unused ATTRIBUTE_UNUSED
;
6959 struct call_info
*call_info
;
6962 /* We must have a valid space and subspace. */
6963 pa_check_current_space_and_subspace ();
6966 if (within_procedure
)
6967 as_fatal (_("Nested procedures"));
6969 /* Reset global variables for new procedure. */
6970 callinfo_found
= FALSE
;
6971 within_procedure
= TRUE
;
6973 /* Create another call_info structure. */
6974 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
6977 as_fatal (_("Cannot allocate unwind descriptor\n"));
6979 memset (call_info
, 0, sizeof (struct call_info
));
6981 call_info
->ci_next
= NULL
;
6983 if (call_info_root
== NULL
)
6985 call_info_root
= call_info
;
6986 last_call_info
= call_info
;
6990 last_call_info
->ci_next
= call_info
;
6991 last_call_info
= call_info
;
6994 /* set up defaults on call_info structure */
6996 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
6997 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
6998 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7000 /* If we got a .PROC pseudo-op, we know that the function is defined
7001 locally. Make sure it gets into the symbol table. */
7003 label_symbol_struct
*label_symbol
= pa_get_label ();
7007 if (label_symbol
->lss_label
)
7009 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7010 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7013 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7016 last_call_info
->start_symbol
= NULL
;
7019 demand_empty_rest_of_line ();
7022 /* Process the syntatical end of a procedure. Make sure all the
7023 appropriate pseudo-ops were found within the procedure. */
7027 int unused ATTRIBUTE_UNUSED
;
7031 /* We must have a valid space and subspace. */
7032 pa_check_current_space_and_subspace ();
7035 /* If we are within a procedure definition, make sure we've
7036 defined a label for the procedure; handle case where the
7037 label was defined after the .PROC directive.
7039 Note there's not need to diddle with the segment or fragment
7040 for the label symbol in this case. We have already switched
7041 into the new $CODE$ subspace at this point. */
7042 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7044 label_symbol_struct
*label_symbol
= pa_get_label ();
7048 if (label_symbol
->lss_label
)
7050 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7051 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7054 /* Also handle allocation of a fixup to hold the unwind
7055 information when the label appears after the proc/procend. */
7056 if (within_entry_exit
)
7058 char *where
= frag_more (0);
7060 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7061 NULL
, (offsetT
) 0, NULL
,
7062 0, R_HPPA_ENTRY
, e_fsel
, 0, 0,
7063 (int *) &last_call_info
->ci_unwind
.descriptor
);
7068 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7071 as_bad (_("Missing function name for .PROC"));
7074 if (!within_procedure
)
7075 as_bad (_("misplaced .procend"));
7077 if (!callinfo_found
)
7078 as_bad (_("Missing .callinfo for this procedure"));
7080 if (within_entry_exit
)
7081 as_bad (_("Missing .EXIT for a .ENTRY"));
7084 /* ELF needs to mark the end of each function so that it can compute
7085 the size of the function (apparently its needed in the symbol table). */
7086 hppa_elf_mark_end_of_function ();
7089 within_procedure
= FALSE
;
7090 demand_empty_rest_of_line ();
7091 pa_undefine_label ();
7096 /* If VALUE is an exact power of two between zero and 2^31, then
7097 return log2 (VALUE). Else return -1. */
7105 while ((1 << shift
) != value
&& shift
< 32)
7114 /* Check to make sure we have a valid space and subspace. */
7117 pa_check_current_space_and_subspace ()
7119 if (current_space
== NULL
)
7120 as_fatal (_("Not in a space.\n"));
7122 if (current_subspace
== NULL
)
7123 as_fatal (_("Not in a subspace.\n"));
7126 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7127 then create a new space entry to hold the information specified
7128 by the parameters to the .SPACE directive. */
7130 static sd_chain_struct
*
7131 pa_parse_space_stmt (space_name
, create_flag
)
7135 char *name
, *ptemp
, c
;
7136 char loadable
, defined
, private, sort
;
7138 asection
*seg
= NULL
;
7139 sd_chain_struct
*space
;
7141 /* load default values */
7147 if (strcmp (space_name
, "$TEXT$") == 0)
7149 seg
= pa_def_spaces
[0].segment
;
7150 defined
= pa_def_spaces
[0].defined
;
7151 private = pa_def_spaces
[0].private;
7152 sort
= pa_def_spaces
[0].sort
;
7153 spnum
= pa_def_spaces
[0].spnum
;
7155 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7157 seg
= pa_def_spaces
[1].segment
;
7158 defined
= pa_def_spaces
[1].defined
;
7159 private = pa_def_spaces
[1].private;
7160 sort
= pa_def_spaces
[1].sort
;
7161 spnum
= pa_def_spaces
[1].spnum
;
7164 if (!is_end_of_statement ())
7166 print_errors
= FALSE
;
7167 ptemp
= input_line_pointer
+ 1;
7168 /* First see if the space was specified as a number rather than
7169 as a name. According to the PA assembly manual the rest of
7170 the line should be ignored. */
7171 temp
= pa_parse_number (&ptemp
, 0);
7175 input_line_pointer
= ptemp
;
7179 while (!is_end_of_statement ())
7181 input_line_pointer
++;
7182 name
= input_line_pointer
;
7183 c
= get_symbol_end ();
7184 if ((strncasecmp (name
, "spnum", 5) == 0))
7186 *input_line_pointer
= c
;
7187 input_line_pointer
++;
7188 spnum
= get_absolute_expression ();
7190 else if ((strncasecmp (name
, "sort", 4) == 0))
7192 *input_line_pointer
= c
;
7193 input_line_pointer
++;
7194 sort
= get_absolute_expression ();
7196 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7198 *input_line_pointer
= c
;
7201 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7203 *input_line_pointer
= c
;
7206 else if ((strncasecmp (name
, "private", 7) == 0))
7208 *input_line_pointer
= c
;
7213 as_bad (_("Invalid .SPACE argument"));
7214 *input_line_pointer
= c
;
7215 if (!is_end_of_statement ())
7216 input_line_pointer
++;
7220 print_errors
= TRUE
;
7223 if (create_flag
&& seg
== NULL
)
7224 seg
= subseg_new (space_name
, 0);
7226 /* If create_flag is nonzero, then create the new space with
7227 the attributes computed above. Else set the values in
7228 an already existing space -- this can only happen for
7229 the first occurence of a built-in space. */
7231 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7232 private, sort
, seg
, 1);
7235 space
= is_defined_space (space_name
);
7236 SPACE_SPNUM (space
) = spnum
;
7237 SPACE_DEFINED (space
) = defined
& 1;
7238 SPACE_USER_DEFINED (space
) = 1;
7241 #ifdef obj_set_section_attributes
7242 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7248 /* Handle a .SPACE pseudo-op; this switches the current space to the
7249 given space, creating the new space if necessary. */
7253 int unused ATTRIBUTE_UNUSED
;
7255 char *name
, c
, *space_name
, *save_s
;
7257 sd_chain_struct
*sd_chain
;
7259 if (within_procedure
)
7261 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7262 ignore_rest_of_line ();
7266 /* Check for some of the predefined spaces. FIXME: most of the code
7267 below is repeated several times, can we extract the common parts
7268 and place them into a subroutine or something similar? */
7269 /* FIXME Is this (and the next IF stmt) really right?
7270 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7271 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7273 input_line_pointer
+= 6;
7274 sd_chain
= is_defined_space ("$TEXT$");
7275 if (sd_chain
== NULL
)
7276 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7277 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7278 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7280 current_space
= sd_chain
;
7281 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7283 = pa_subsegment_to_subspace (text_section
,
7284 sd_chain
->sd_last_subseg
);
7285 demand_empty_rest_of_line ();
7288 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7290 input_line_pointer
+= 9;
7291 sd_chain
= is_defined_space ("$PRIVATE$");
7292 if (sd_chain
== NULL
)
7293 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7294 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7295 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7297 current_space
= sd_chain
;
7298 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7300 = pa_subsegment_to_subspace (data_section
,
7301 sd_chain
->sd_last_subseg
);
7302 demand_empty_rest_of_line ();
7305 if (!strncasecmp (input_line_pointer
,
7306 GDB_DEBUG_SPACE_NAME
,
7307 strlen (GDB_DEBUG_SPACE_NAME
)))
7309 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7310 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7311 if (sd_chain
== NULL
)
7312 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7313 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7314 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7316 current_space
= sd_chain
;
7319 asection
*gdb_section
7320 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7322 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7324 = pa_subsegment_to_subspace (gdb_section
,
7325 sd_chain
->sd_last_subseg
);
7327 demand_empty_rest_of_line ();
7331 /* It could be a space specified by number. */
7333 save_s
= input_line_pointer
;
7334 if ((temp
= pa_parse_number (&input_line_pointer
, 0)) >= 0)
7336 if ((sd_chain
= pa_find_space_by_number (temp
)))
7338 current_space
= sd_chain
;
7340 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7342 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7343 sd_chain
->sd_last_subseg
);
7344 demand_empty_rest_of_line ();
7349 /* Not a number, attempt to create a new space. */
7351 input_line_pointer
= save_s
;
7352 name
= input_line_pointer
;
7353 c
= get_symbol_end ();
7354 space_name
= xmalloc (strlen (name
) + 1);
7355 strcpy (space_name
, name
);
7356 *input_line_pointer
= c
;
7358 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7359 current_space
= sd_chain
;
7361 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7362 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7363 sd_chain
->sd_last_subseg
);
7364 demand_empty_rest_of_line ();
7368 /* Switch to a new space. (I think). FIXME. */
7372 int unused ATTRIBUTE_UNUSED
;
7377 sd_chain_struct
*space
;
7379 name
= input_line_pointer
;
7380 c
= get_symbol_end ();
7381 space
= is_defined_space (name
);
7385 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7388 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7390 *input_line_pointer
= c
;
7391 demand_empty_rest_of_line ();
7394 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7395 given subspace, creating the new subspace if necessary.
7397 FIXME. Should mirror pa_space more closely, in particular how
7398 they're broken up into subroutines. */
7401 pa_subspace (create_new
)
7404 char *name
, *ss_name
, c
;
7405 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
7406 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7407 sd_chain_struct
*space
;
7408 ssd_chain_struct
*ssd
;
7411 if (current_space
== NULL
)
7412 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7414 if (within_procedure
)
7416 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7417 ignore_rest_of_line ();
7421 name
= input_line_pointer
;
7422 c
= get_symbol_end ();
7423 ss_name
= xmalloc (strlen (name
) + 1);
7424 strcpy (ss_name
, name
);
7425 *input_line_pointer
= c
;
7427 /* Load default values. */
7439 space
= current_space
;
7443 ssd
= is_defined_subspace (ss_name
);
7444 /* Allow user to override the builtin attributes of subspaces. But
7445 only allow the attributes to be changed once! */
7446 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7448 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7449 current_subspace
= ssd
;
7450 if (!is_end_of_statement ())
7451 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7452 demand_empty_rest_of_line ();
7457 /* A new subspace. Load default values if it matches one of
7458 the builtin subspaces. */
7460 while (pa_def_subspaces
[i
].name
)
7462 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7464 loadable
= pa_def_subspaces
[i
].loadable
;
7465 common
= pa_def_subspaces
[i
].common
;
7466 dup_common
= pa_def_subspaces
[i
].dup_common
;
7467 code_only
= pa_def_subspaces
[i
].code_only
;
7468 zero
= pa_def_subspaces
[i
].zero
;
7469 space_index
= pa_def_subspaces
[i
].space_index
;
7470 alignment
= pa_def_subspaces
[i
].alignment
;
7471 quadrant
= pa_def_subspaces
[i
].quadrant
;
7472 access
= pa_def_subspaces
[i
].access
;
7473 sort
= pa_def_subspaces
[i
].sort
;
7480 /* We should be working with a new subspace now. Fill in
7481 any information as specified by the user. */
7482 if (!is_end_of_statement ())
7484 input_line_pointer
++;
7485 while (!is_end_of_statement ())
7487 name
= input_line_pointer
;
7488 c
= get_symbol_end ();
7489 if ((strncasecmp (name
, "quad", 4) == 0))
7491 *input_line_pointer
= c
;
7492 input_line_pointer
++;
7493 quadrant
= get_absolute_expression ();
7495 else if ((strncasecmp (name
, "align", 5) == 0))
7497 *input_line_pointer
= c
;
7498 input_line_pointer
++;
7499 alignment
= get_absolute_expression ();
7500 if (log2 (alignment
) == -1)
7502 as_bad (_("Alignment must be a power of 2"));
7506 else if ((strncasecmp (name
, "access", 6) == 0))
7508 *input_line_pointer
= c
;
7509 input_line_pointer
++;
7510 access
= get_absolute_expression ();
7512 else if ((strncasecmp (name
, "sort", 4) == 0))
7514 *input_line_pointer
= c
;
7515 input_line_pointer
++;
7516 sort
= get_absolute_expression ();
7518 else if ((strncasecmp (name
, "code_only", 9) == 0))
7520 *input_line_pointer
= c
;
7523 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7525 *input_line_pointer
= c
;
7528 else if ((strncasecmp (name
, "common", 6) == 0))
7530 *input_line_pointer
= c
;
7533 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7535 *input_line_pointer
= c
;
7538 else if ((strncasecmp (name
, "zero", 4) == 0))
7540 *input_line_pointer
= c
;
7543 else if ((strncasecmp (name
, "first", 5) == 0))
7544 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7546 as_bad (_("Invalid .SUBSPACE argument"));
7547 if (!is_end_of_statement ())
7548 input_line_pointer
++;
7552 /* Compute a reasonable set of BFD flags based on the information
7553 in the .subspace directive. */
7554 applicable
= bfd_applicable_section_flags (stdoutput
);
7557 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7560 if (common
|| dup_common
)
7561 flags
|= SEC_IS_COMMON
;
7563 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7565 /* This is a zero-filled subspace (eg BSS). */
7567 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7569 applicable
&= flags
;
7571 /* If this is an existing subspace, then we want to use the
7572 segment already associated with the subspace.
7574 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7575 lots of sections. It might be a problem in the PA ELF
7576 code, I do not know yet. For now avoid creating anything
7577 but the "standard" sections for ELF. */
7579 section
= subseg_force_new (ss_name
, 0);
7581 section
= ssd
->ssd_seg
;
7583 section
= subseg_new (ss_name
, 0);
7586 seg_info (section
)->bss
= 1;
7588 /* Now set the flags. */
7589 bfd_set_section_flags (stdoutput
, section
, applicable
);
7591 /* Record any alignment request for this section. */
7592 record_alignment (section
, log2 (alignment
));
7594 /* Set the starting offset for this section. */
7595 bfd_set_section_vma (stdoutput
, section
,
7596 pa_subspace_start (space
, quadrant
));
7598 /* Now that all the flags are set, update an existing subspace,
7599 or create a new one. */
7602 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7603 code_only
, common
, dup_common
,
7604 sort
, zero
, access
, space_index
,
7605 alignment
, quadrant
,
7608 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7610 dup_common
, zero
, sort
,
7611 access
, space_index
,
7612 alignment
, quadrant
, section
);
7614 demand_empty_rest_of_line ();
7615 current_subspace
->ssd_seg
= section
;
7616 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7618 SUBSPACE_DEFINED (current_subspace
) = 1;
7622 /* Create default space and subspace dictionaries. */
7629 space_dict_root
= NULL
;
7630 space_dict_last
= NULL
;
7633 while (pa_def_spaces
[i
].name
)
7637 /* Pick the right name to use for the new section. */
7638 name
= pa_def_spaces
[i
].name
;
7640 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7641 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7642 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7643 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7644 pa_def_spaces
[i
].segment
, 0);
7649 while (pa_def_subspaces
[i
].name
)
7652 int applicable
, subsegment
;
7653 asection
*segment
= NULL
;
7654 sd_chain_struct
*space
;
7656 /* Pick the right name for the new section and pick the right
7657 subsegment number. */
7658 name
= pa_def_subspaces
[i
].name
;
7661 /* Create the new section. */
7662 segment
= subseg_new (name
, subsegment
);
7665 /* For SOM we want to replace the standard .text, .data, and .bss
7666 sections with our own. We also want to set BFD flags for
7667 all the built-in subspaces. */
7668 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7670 text_section
= segment
;
7671 applicable
= bfd_applicable_section_flags (stdoutput
);
7672 bfd_set_section_flags (stdoutput
, segment
,
7673 applicable
& (SEC_ALLOC
| SEC_LOAD
7674 | SEC_RELOC
| SEC_CODE
7676 | SEC_HAS_CONTENTS
));
7678 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7680 data_section
= segment
;
7681 applicable
= bfd_applicable_section_flags (stdoutput
);
7682 bfd_set_section_flags (stdoutput
, segment
,
7683 applicable
& (SEC_ALLOC
| SEC_LOAD
7685 | SEC_HAS_CONTENTS
));
7689 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7691 bss_section
= segment
;
7692 applicable
= bfd_applicable_section_flags (stdoutput
);
7693 bfd_set_section_flags (stdoutput
, segment
,
7694 applicable
& SEC_ALLOC
);
7696 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7698 applicable
= bfd_applicable_section_flags (stdoutput
);
7699 bfd_set_section_flags (stdoutput
, segment
,
7700 applicable
& (SEC_ALLOC
| SEC_LOAD
7703 | SEC_HAS_CONTENTS
));
7705 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7707 applicable
= bfd_applicable_section_flags (stdoutput
);
7708 bfd_set_section_flags (stdoutput
, segment
,
7709 applicable
& (SEC_ALLOC
| SEC_LOAD
7712 | SEC_HAS_CONTENTS
));
7714 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7716 applicable
= bfd_applicable_section_flags (stdoutput
);
7717 bfd_set_section_flags (stdoutput
, segment
,
7718 applicable
& (SEC_ALLOC
| SEC_LOAD
7721 | SEC_HAS_CONTENTS
));
7724 /* Find the space associated with this subspace. */
7725 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7726 def_space_index
].segment
);
7729 as_fatal (_("Internal error: Unable to find containing space for %s."),
7730 pa_def_subspaces
[i
].name
);
7733 create_new_subspace (space
, name
,
7734 pa_def_subspaces
[i
].loadable
,
7735 pa_def_subspaces
[i
].code_only
,
7736 pa_def_subspaces
[i
].common
,
7737 pa_def_subspaces
[i
].dup_common
,
7738 pa_def_subspaces
[i
].zero
,
7739 pa_def_subspaces
[i
].sort
,
7740 pa_def_subspaces
[i
].access
,
7741 pa_def_subspaces
[i
].space_index
,
7742 pa_def_subspaces
[i
].alignment
,
7743 pa_def_subspaces
[i
].quadrant
,
7751 /* Create a new space NAME, with the appropriate flags as defined
7752 by the given parameters. */
7754 static sd_chain_struct
*
7755 create_new_space (name
, spnum
, loadable
, defined
, private,
7756 sort
, seg
, user_defined
)
7766 sd_chain_struct
*chain_entry
;
7768 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7770 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7773 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7774 strcpy (SPACE_NAME (chain_entry
), name
);
7775 SPACE_DEFINED (chain_entry
) = defined
;
7776 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7777 SPACE_SPNUM (chain_entry
) = spnum
;
7779 chain_entry
->sd_seg
= seg
;
7780 chain_entry
->sd_last_subseg
= -1;
7781 chain_entry
->sd_subspaces
= NULL
;
7782 chain_entry
->sd_next
= NULL
;
7784 /* Find spot for the new space based on its sort key. */
7785 if (!space_dict_last
)
7786 space_dict_last
= chain_entry
;
7788 if (space_dict_root
== NULL
)
7789 space_dict_root
= chain_entry
;
7792 sd_chain_struct
*chain_pointer
;
7793 sd_chain_struct
*prev_chain_pointer
;
7795 chain_pointer
= space_dict_root
;
7796 prev_chain_pointer
= NULL
;
7798 while (chain_pointer
)
7800 prev_chain_pointer
= chain_pointer
;
7801 chain_pointer
= chain_pointer
->sd_next
;
7804 /* At this point we've found the correct place to add the new
7805 entry. So add it and update the linked lists as appropriate. */
7806 if (prev_chain_pointer
)
7808 chain_entry
->sd_next
= chain_pointer
;
7809 prev_chain_pointer
->sd_next
= chain_entry
;
7813 space_dict_root
= chain_entry
;
7814 chain_entry
->sd_next
= chain_pointer
;
7817 if (chain_entry
->sd_next
== NULL
)
7818 space_dict_last
= chain_entry
;
7821 /* This is here to catch predefined spaces which do not get
7822 modified by the user's input. Another call is found at
7823 the bottom of pa_parse_space_stmt to handle cases where
7824 the user modifies a predefined space. */
7825 #ifdef obj_set_section_attributes
7826 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7832 /* Create a new subspace NAME, with the appropriate flags as defined
7833 by the given parameters.
7835 Add the new subspace to the subspace dictionary chain in numerical
7836 order as defined by the SORT entries. */
7838 static ssd_chain_struct
*
7839 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7840 dup_common
, is_zero
, sort
, access
, space_index
,
7841 alignment
, quadrant
, seg
)
7842 sd_chain_struct
*space
;
7844 int loadable
, code_only
, common
, dup_common
, is_zero
;
7852 ssd_chain_struct
*chain_entry
;
7854 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7856 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7858 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7859 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7861 /* Initialize subspace_defined. When we hit a .subspace directive
7862 we'll set it to 1 which "locks-in" the subspace attributes. */
7863 SUBSPACE_DEFINED (chain_entry
) = 0;
7865 chain_entry
->ssd_subseg
= 0;
7866 chain_entry
->ssd_seg
= seg
;
7867 chain_entry
->ssd_next
= NULL
;
7869 /* Find spot for the new subspace based on its sort key. */
7870 if (space
->sd_subspaces
== NULL
)
7871 space
->sd_subspaces
= chain_entry
;
7874 ssd_chain_struct
*chain_pointer
;
7875 ssd_chain_struct
*prev_chain_pointer
;
7877 chain_pointer
= space
->sd_subspaces
;
7878 prev_chain_pointer
= NULL
;
7880 while (chain_pointer
)
7882 prev_chain_pointer
= chain_pointer
;
7883 chain_pointer
= chain_pointer
->ssd_next
;
7886 /* Now we have somewhere to put the new entry. Insert it and update
7888 if (prev_chain_pointer
)
7890 chain_entry
->ssd_next
= chain_pointer
;
7891 prev_chain_pointer
->ssd_next
= chain_entry
;
7895 space
->sd_subspaces
= chain_entry
;
7896 chain_entry
->ssd_next
= chain_pointer
;
7900 #ifdef obj_set_subsection_attributes
7901 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7908 /* Update the information for the given subspace based upon the
7909 various arguments. Return the modified subspace chain entry. */
7911 static ssd_chain_struct
*
7912 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7913 zero
, access
, space_index
, alignment
, quadrant
, section
)
7914 sd_chain_struct
*space
;
7928 ssd_chain_struct
*chain_entry
;
7930 chain_entry
= is_defined_subspace (name
);
7932 #ifdef obj_set_subsection_attributes
7933 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7940 /* Return the space chain entry for the space with the name NAME or
7941 NULL if no such space exists. */
7943 static sd_chain_struct
*
7944 is_defined_space (name
)
7947 sd_chain_struct
*chain_pointer
;
7949 for (chain_pointer
= space_dict_root
;
7951 chain_pointer
= chain_pointer
->sd_next
)
7953 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7954 return chain_pointer
;
7957 /* No mapping from segment to space was found. Return NULL. */
7961 /* Find and return the space associated with the given seg. If no mapping
7962 from the given seg to a space is found, then return NULL.
7964 Unlike subspaces, the number of spaces is not expected to grow much,
7965 so a linear exhaustive search is OK here. */
7967 static sd_chain_struct
*
7968 pa_segment_to_space (seg
)
7971 sd_chain_struct
*space_chain
;
7973 /* Walk through each space looking for the correct mapping. */
7974 for (space_chain
= space_dict_root
;
7976 space_chain
= space_chain
->sd_next
)
7978 if (space_chain
->sd_seg
== seg
)
7982 /* Mapping was not found. Return NULL. */
7986 /* Return the space chain entry for the subspace with the name NAME or
7987 NULL if no such subspace exists.
7989 Uses a linear search through all the spaces and subspaces, this may
7990 not be appropriate if we ever being placing each function in its
7993 static ssd_chain_struct
*
7994 is_defined_subspace (name
)
7997 sd_chain_struct
*space_chain
;
7998 ssd_chain_struct
*subspace_chain
;
8000 /* Walk through each space. */
8001 for (space_chain
= space_dict_root
;
8003 space_chain
= space_chain
->sd_next
)
8005 /* Walk through each subspace looking for a name which matches. */
8006 for (subspace_chain
= space_chain
->sd_subspaces
;
8008 subspace_chain
= subspace_chain
->ssd_next
)
8009 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8010 return subspace_chain
;
8013 /* Subspace wasn't found. Return NULL. */
8017 /* Find and return the subspace associated with the given seg. If no
8018 mapping from the given seg to a subspace is found, then return NULL.
8020 If we ever put each procedure/function within its own subspace
8021 (to make life easier on the compiler and linker), then this will have
8022 to become more efficient. */
8024 static ssd_chain_struct
*
8025 pa_subsegment_to_subspace (seg
, subseg
)
8029 sd_chain_struct
*space_chain
;
8030 ssd_chain_struct
*subspace_chain
;
8032 /* Walk through each space. */
8033 for (space_chain
= space_dict_root
;
8035 space_chain
= space_chain
->sd_next
)
8037 if (space_chain
->sd_seg
== seg
)
8039 /* Walk through each subspace within each space looking for
8040 the correct mapping. */
8041 for (subspace_chain
= space_chain
->sd_subspaces
;
8043 subspace_chain
= subspace_chain
->ssd_next
)
8044 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8045 return subspace_chain
;
8049 /* No mapping from subsegment to subspace found. Return NULL. */
8053 /* Given a number, try and find a space with the name number.
8055 Return a pointer to a space dictionary chain entry for the space
8056 that was found or NULL on failure. */
8058 static sd_chain_struct
*
8059 pa_find_space_by_number (number
)
8062 sd_chain_struct
*space_chain
;
8064 for (space_chain
= space_dict_root
;
8066 space_chain
= space_chain
->sd_next
)
8068 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8072 /* No appropriate space found. Return NULL. */
8076 /* Return the starting address for the given subspace. If the starting
8077 address is unknown then return zero. */
8080 pa_subspace_start (space
, quadrant
)
8081 sd_chain_struct
*space
;
8084 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8085 is not correct for the PA OSF1 port. */
8086 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8088 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8095 /* FIXME. Needs documentation. */
8097 pa_next_subseg (space
)
8098 sd_chain_struct
*space
;
8101 space
->sd_last_subseg
++;
8102 return space
->sd_last_subseg
;
8106 /* Helper function for pa_stringer. Used to find the end of
8113 unsigned int c
= *s
& CHAR_MASK
;
8126 /* Handle a .STRING type pseudo-op. */
8129 pa_stringer (append_zero
)
8132 char *s
, num_buf
[4];
8136 /* Preprocess the string to handle PA-specific escape sequences.
8137 For example, \xDD where DD is a hexadecimal number should be
8138 changed to \OOO where OOO is an octal number. */
8141 /* We must have a valid space and subspace. */
8142 pa_check_current_space_and_subspace ();
8145 /* Skip the opening quote. */
8146 s
= input_line_pointer
+ 1;
8148 while (is_a_char (c
= pa_stringer_aux (s
++)))
8155 /* Handle \x<num>. */
8158 unsigned int number
;
8163 /* Get past the 'x'. */
8165 for (num_digit
= 0, number
= 0, dg
= *s
;
8167 && (isdigit (dg
) || (dg
>= 'a' && dg
<= 'f')
8168 || (dg
>= 'A' && dg
<= 'F'));
8172 number
= number
* 16 + dg
- '0';
8173 else if (dg
>= 'a' && dg
<= 'f')
8174 number
= number
* 16 + dg
- 'a' + 10;
8176 number
= number
* 16 + dg
- 'A' + 10;
8186 sprintf (num_buf
, "%02o", number
);
8189 sprintf (num_buf
, "%03o", number
);
8192 for (i
= 0; i
<= num_digit
; i
++)
8193 s_start
[i
] = num_buf
[i
];
8197 /* This might be a "\"", skip over the escaped char. */
8204 stringer (append_zero
);
8205 pa_undefine_label ();
8208 /* Handle a .VERSION pseudo-op. */
8212 int unused ATTRIBUTE_UNUSED
;
8215 pa_undefine_label ();
8220 /* Handle a .COMPILER pseudo-op. */
8223 pa_compiler (unused
)
8224 int unused ATTRIBUTE_UNUSED
;
8226 obj_som_compiler (0);
8227 pa_undefine_label ();
8232 /* Handle a .COPYRIGHT pseudo-op. */
8235 pa_copyright (unused
)
8236 int unused ATTRIBUTE_UNUSED
;
8239 pa_undefine_label ();
8242 /* Just like a normal cons, but when finished we have to undefine
8243 the latest space label. */
8250 pa_undefine_label ();
8253 /* Like float_cons, but we need to undefine our label. */
8256 pa_float_cons (float_type
)
8259 float_cons (float_type
);
8260 pa_undefine_label ();
8263 /* Like s_fill, but delete our label when finished. */
8267 int unused ATTRIBUTE_UNUSED
;
8270 /* We must have a valid space and subspace. */
8271 pa_check_current_space_and_subspace ();
8275 pa_undefine_label ();
8278 /* Like lcomm, but delete our label when finished. */
8281 pa_lcomm (needs_align
)
8285 /* We must have a valid space and subspace. */
8286 pa_check_current_space_and_subspace ();
8289 s_lcomm (needs_align
);
8290 pa_undefine_label ();
8293 /* Like lsym, but delete our label when finished. */
8297 int unused ATTRIBUTE_UNUSED
;
8300 /* We must have a valid space and subspace. */
8301 pa_check_current_space_and_subspace ();
8305 pa_undefine_label ();
8308 /* On the PA relocations which involve function symbols must not be
8309 adjusted. This so that the linker can know when/how to create argument
8310 relocation stubs for indirect calls and calls to static functions.
8312 "T" field selectors create DLT relative fixups for accessing
8313 globals and statics in PIC code; each DLT relative fixup creates
8314 an entry in the DLT table. The entries contain the address of
8315 the final target (eg accessing "foo" would create a DLT entry
8316 with the address of "foo").
8318 Unfortunately, the HP linker doesn't take into account any addend
8319 when generating the DLT; so accessing $LIT$+8 puts the address of
8320 $LIT$ into the DLT rather than the address of $LIT$+8.
8322 The end result is we can't perform relocation symbol reductions for
8323 any fixup which creates entries in the DLT (eg they use "T" field
8326 Reject reductions involving symbols with external scope; such
8327 reductions make life a living hell for object file editors.
8329 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8330 the code space. The SOM BFD backend doesn't know how to pull the
8331 right bits out of an instruction. */
8334 hppa_fix_adjustable (fixp
)
8337 struct hppa_fix_struct
*hppa_fix
;
8339 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8342 /* Reject reductions of symbols in 32bit relocs. */
8343 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
8346 /* Reject reductions of symbols in sym1-sym2 expressions when
8347 the fixup will occur in a CODE subspace.
8349 XXX FIXME: Long term we probably want to reject all of these;
8350 for example reducing in the debug section would lose if we ever
8351 supported using the optimizing hp linker. */
8354 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8356 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
8357 symbol_mark_used_in_reloc (fixp
->fx_subsy
);
8361 /* We can't adjust any relocs that use LR% and RR% field selectors.
8362 That confuses the HP linker. */
8363 if (hppa_fix
->fx_r_field
== e_lrsel
8364 || hppa_fix
->fx_r_field
== e_rrsel
8365 || hppa_fix
->fx_r_field
== e_nlrsel
)
8369 /* Reject reductions of symbols in DLT relative relocs,
8370 relocations with plabels. */
8371 if (hppa_fix
->fx_r_field
== e_tsel
8372 || hppa_fix
->fx_r_field
== e_ltsel
8373 || hppa_fix
->fx_r_field
== e_rtsel
8374 || hppa_fix
->fx_r_field
== e_psel
8375 || hppa_fix
->fx_r_field
== e_rpsel
8376 || hppa_fix
->fx_r_field
== e_lpsel
)
8379 if (fixp
->fx_addsy
&& S_IS_EXTERNAL (fixp
->fx_addsy
))
8382 /* Reject absolute calls (jumps). */
8383 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8386 /* Reject reductions of function symbols. */
8387 if (fixp
->fx_addsy
== 0 || ! S_IS_FUNCTION (fixp
->fx_addsy
))
8393 /* Return nonzero if the fixup in FIXP will require a relocation,
8394 even it if appears that the fixup could be completely handled
8398 hppa_force_relocation (fixp
)
8401 struct hppa_fix_struct
*hppa_fixp
;
8404 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8406 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8407 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8408 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8409 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8410 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8411 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8412 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8413 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8417 /* It is necessary to force PC-relative calls/jumps to have a relocation
8418 entry if they're going to need either a argument relocation or long
8419 call stub. FIXME. Can't we need the same for absolute calls? */
8420 if (fixp
->fx_pcrel
&& fixp
->fx_addsy
8421 && (arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8422 hppa_fixp
->fx_arg_reloc
)))
8425 distance
= (fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
)
8426 - md_pcrel_from (fixp
));
8427 /* Now check and see if we're going to need a long-branch stub. */
8428 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
8429 && (distance
> 262143 || distance
< -262144))
8432 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8435 /* No need (yet) to force another relocations to be emitted. */
8439 /* Now for some ELF specific code. FIXME. */
8441 /* Mark the end of a function so that it's possible to compute
8442 the size of the function in hppa_elf_final_processing. */
8445 hppa_elf_mark_end_of_function ()
8447 /* ELF does not have EXIT relocations. All we do is create a
8448 temporary symbol marking the end of the function. */
8451 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8453 /* We have already warned about a missing label,
8454 or other problems. */
8458 name
= (char *) xmalloc (strlen ("L$\001end_")
8459 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8465 strcpy (name
, "L$\001end_");
8466 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8468 /* If we have a .exit followed by a .procend, then the
8469 symbol will have already been defined. */
8470 symbolP
= symbol_find (name
);
8473 /* The symbol has already been defined! This can
8474 happen if we have a .exit followed by a .procend.
8476 This is *not* an error. All we want to do is free
8477 the memory we just allocated for the name and continue. */
8482 /* symbol value should be the offset of the
8483 last instruction of the function */
8484 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8488 S_CLEAR_EXTERNAL (symbolP
);
8489 symbol_table_insert (symbolP
);
8493 last_call_info
->end_symbol
= symbolP
;
8495 as_bad (_("Symbol '%s' could not be created."), name
);
8499 as_bad (_("No memory for symbol name."));
8503 /* For ELF, this function serves one purpose: to setup the st_size
8504 field of STT_FUNC symbols. To do this, we need to scan the
8505 call_info structure list, determining st_size in by taking the
8506 difference in the address of the beginning/end marker symbols. */
8509 elf_hppa_final_processing ()
8511 struct call_info
*call_info_pointer
;
8513 for (call_info_pointer
= call_info_root
;
8515 call_info_pointer
= call_info_pointer
->ci_next
)
8517 elf_symbol_type
*esym
8518 = ((elf_symbol_type
*)
8519 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8520 esym
->internal_elf_sym
.st_size
=
8521 S_GET_VALUE (call_info_pointer
->end_symbol
)
8522 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8529 if (debug_type
== DEBUG_DWARF2
)