1 /* tc-hppa.c -- Assemble for the PA
2 Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 /* HP PA-RISC support was contributed by the Center for Software Science
23 at the University of Utah. */
28 #include "safe-ctype.h"
31 #include "bfd/libhppa.h"
33 /* Be careful, this file includes data *declarations*. */
34 #include "opcode/hppa.h"
36 #if defined (OBJ_ELF) && defined (OBJ_SOM)
37 error only one of OBJ_ELF
and OBJ_SOM can be defined
40 /* If we are using ELF, then we probably can support dwarf2 debug
41 records. Furthermore, if we are supporting dwarf2 debug records,
42 then we want to use the assembler support for compact line numbers. */
44 #include "dwarf2dbg.h"
46 /* A "convient" place to put object file dependencies which do
47 not need to be seen outside of tc-hppa.c. */
49 /* Object file formats specify relocation types. */
50 typedef enum elf_hppa_reloc_type reloc_type
;
52 /* Object file formats specify BFD symbol types. */
53 typedef elf_symbol_type obj_symbol_type
;
54 #define symbol_arg_reloc_info(sym)\
55 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
57 #if TARGET_ARCH_SIZE == 64
58 /* How to generate a relocation. */
59 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
60 #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type
62 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
63 #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_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 #if TARGET_ARCH_SIZE == 64
111 #define DEFAULT_LEVEL 25
113 #define DEFAULT_LEVEL 10
116 /* Various structures and types used internally in tc-hppa.c. */
118 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
122 unsigned int cannot_unwind
:1;
123 unsigned int millicode
:1;
124 unsigned int millicode_save_rest
:1;
125 unsigned int region_desc
:2;
126 unsigned int save_sr
:2;
127 unsigned int entry_fr
:4;
128 unsigned int entry_gr
:5;
129 unsigned int args_stored
:1;
130 unsigned int call_fr
:5;
131 unsigned int call_gr
:5;
132 unsigned int save_sp
:1;
133 unsigned int save_rp
:1;
134 unsigned int save_rp_in_frame
:1;
135 unsigned int extn_ptr_defined
:1;
136 unsigned int cleanup_defined
:1;
138 unsigned int hpe_interrupt_marker
:1;
139 unsigned int hpux_interrupt_marker
:1;
140 unsigned int reserved
:3;
141 unsigned int frame_size
:27;
144 /* We can't rely on compilers placing bitfields in any particular
145 place, so use these macros when dumping unwind descriptors to
147 #define UNWIND_LOW32(U) \
148 (((U)->cannot_unwind << 31) \
149 | ((U)->millicode << 30) \
150 | ((U)->millicode_save_rest << 29) \
151 | ((U)->region_desc << 27) \
152 | ((U)->save_sr << 25) \
153 | ((U)->entry_fr << 21) \
154 | ((U)->entry_gr << 16) \
155 | ((U)->args_stored << 15) \
156 | ((U)->call_fr << 10) \
157 | ((U)->call_gr << 5) \
158 | ((U)->save_sp << 4) \
159 | ((U)->save_rp << 3) \
160 | ((U)->save_rp_in_frame << 2) \
161 | ((U)->extn_ptr_defined << 1) \
162 | ((U)->cleanup_defined << 0))
164 #define UNWIND_HIGH32(U) \
165 (((U)->hpe_interrupt_marker << 31) \
166 | ((U)->hpux_interrupt_marker << 30) \
167 | ((U)->frame_size << 0))
171 /* Starting and ending offsets of the region described by
173 unsigned int start_offset
;
174 unsigned int end_offset
;
175 struct unwind_desc descriptor
;
178 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
179 control the entry and exit code they generate. It is also used in
180 creation of the correct stack unwind descriptors.
182 NOTE: GAS does not support .enter and .leave for the generation of
183 prologues and epilogues. FIXME.
185 The fields in structure roughly correspond to the arguments available on the
186 .callinfo pseudo-op. */
190 /* The unwind descriptor being built. */
191 struct unwind_table ci_unwind
;
193 /* Name of this function. */
194 symbolS
*start_symbol
;
196 /* (temporary) symbol used to mark the end of this function. */
199 /* Next entry in the chain. */
200 struct call_info
*ci_next
;
203 /* Operand formats for FP instructions. Note not all FP instructions
204 allow all four formats to be used (for example fmpysub only allows
208 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
212 /* This fully describes the symbol types which may be attached to
213 an EXPORT or IMPORT directive. Only SOM uses this formation
214 (ELF has no need for it). */
218 SYMBOL_TYPE_ABSOLUTE
,
222 SYMBOL_TYPE_MILLICODE
,
224 SYMBOL_TYPE_PRI_PROG
,
225 SYMBOL_TYPE_SEC_PROG
,
229 /* This structure contains information needed to assemble
230 individual instructions. */
233 /* Holds the opcode after parsing by pa_ip. */
234 unsigned long opcode
;
236 /* Holds an expression associated with the current instruction. */
239 /* Does this instruction use PC-relative addressing. */
242 /* Floating point formats for operand1 and operand2. */
243 fp_operand_format fpof1
;
244 fp_operand_format fpof2
;
246 /* Whether or not we saw a truncation request on an fcnv insn. */
249 /* Holds the field selector for this instruction
250 (for example L%, LR%, etc). */
253 /* Holds any argument relocation bits associated with this
254 instruction. (instruction should be some sort of call). */
255 unsigned int arg_reloc
;
257 /* The format specification for this instruction. */
260 /* The relocation (if any) associated with this instruction. */
264 /* PA-89 floating point registers are arranged like this:
266 +--------------+--------------+
267 | 0 or 16L | 16 or 16R |
268 +--------------+--------------+
269 | 1 or 17L | 17 or 17R |
270 +--------------+--------------+
278 +--------------+--------------+
279 | 14 or 30L | 30 or 30R |
280 +--------------+--------------+
281 | 15 or 31L | 31 or 31R |
282 +--------------+--------------+ */
284 /* Additional information needed to build argument relocation stubs. */
287 /* The argument relocation specification. */
288 unsigned int arg_reloc
;
290 /* Number of arguments. */
291 unsigned int arg_count
;
295 /* This structure defines an entry in the subspace dictionary
298 struct subspace_dictionary_chain
300 /* Nonzero if this space has been defined by the user code. */
301 unsigned int ssd_defined
;
303 /* Name of this subspace. */
306 /* GAS segment and subsegment associated with this subspace. */
310 /* Next space in the subspace dictionary chain. */
311 struct subspace_dictionary_chain
*ssd_next
;
314 typedef struct subspace_dictionary_chain ssd_chain_struct
;
316 /* This structure defines an entry in the subspace dictionary
319 struct space_dictionary_chain
321 /* Nonzero if this space has been defined by the user code or
322 as a default space. */
323 unsigned int sd_defined
;
325 /* Nonzero if this spaces has been defined by the user code. */
326 unsigned int sd_user_defined
;
328 /* The space number (or index). */
329 unsigned int sd_spnum
;
331 /* The name of this subspace. */
334 /* GAS segment to which this subspace corresponds. */
337 /* Current subsegment number being used. */
340 /* The chain of subspaces contained within this space. */
341 ssd_chain_struct
*sd_subspaces
;
343 /* The next entry in the space dictionary chain. */
344 struct space_dictionary_chain
*sd_next
;
347 typedef struct space_dictionary_chain sd_chain_struct
;
349 /* This structure defines attributes of the default subspace
350 dictionary entries. */
352 struct default_subspace_dict
354 /* Name of the subspace. */
357 /* FIXME. Is this still needed? */
360 /* Nonzero if this subspace is loadable. */
363 /* Nonzero if this subspace contains only code. */
366 /* Nonzero if this is a common subspace. */
369 /* Nonzero if this is a common subspace which allows symbols
370 to be multiply defined. */
373 /* Nonzero if this subspace should be zero filled. */
376 /* Sort key for this subspace. */
379 /* Access control bits for this subspace. Can represent RWX access
380 as well as privilege level changes for gateways. */
383 /* Index of containing space. */
386 /* Alignment (in bytes) of this subspace. */
389 /* Quadrant within space where this subspace should be loaded. */
392 /* An index into the default spaces array. */
395 /* Subsegment associated with this subspace. */
399 /* This structure defines attributes of the default space
400 dictionary entries. */
402 struct default_space_dict
404 /* Name of the space. */
407 /* Space number. It is possible to identify spaces within
408 assembly code numerically! */
411 /* Nonzero if this space is loadable. */
414 /* Nonzero if this space is "defined". FIXME is still needed */
417 /* Nonzero if this space can not be shared. */
420 /* Sort key for this space. */
423 /* Segment associated with this space. */
428 /* Structure for previous label tracking. Needed so that alignments,
429 callinfo declarations, etc can be easily attached to a particular
431 typedef struct label_symbol_struct
433 struct symbol
*lss_label
;
435 sd_chain_struct
*lss_space
;
440 struct label_symbol_struct
*lss_next
;
444 /* Extra information needed to perform fixups (relocations) on the PA. */
445 struct hppa_fix_struct
447 /* The field selector. */
448 enum hppa_reloc_field_selector_type_alt fx_r_field
;
453 /* Format of fixup. */
456 /* Argument relocation bits. */
457 unsigned int fx_arg_reloc
;
459 /* The segment this fixup appears in. */
463 /* Structure to hold information about predefined registers. */
471 /* This structure defines the mapping from a FP condition string
472 to a condition number which can be recorded in an instruction. */
479 /* This structure defines a mapping from a field selector
480 string to a field selector type. */
481 struct selector_entry
487 /* Prototypes for functions local to tc-hppa.c. */
490 static void pa_check_current_space_and_subspace
PARAMS ((void));
493 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
494 static void pa_text
PARAMS ((int));
495 static void pa_data
PARAMS ((int));
496 static void pa_comm
PARAMS ((int));
498 static fp_operand_format pa_parse_fp_format
PARAMS ((char **s
));
499 static void pa_cons
PARAMS ((int));
500 static void pa_float_cons
PARAMS ((int));
501 static void pa_fill
PARAMS ((int));
502 static void pa_lcomm
PARAMS ((int));
503 static void pa_lsym
PARAMS ((int));
504 static void pa_stringer
PARAMS ((int));
505 static void pa_version
PARAMS ((int));
506 static int pa_parse_fp_cmp_cond
PARAMS ((char **));
507 static int get_expression
PARAMS ((char *));
508 static int pa_get_absolute_expression
PARAMS ((struct pa_it
*, char **));
509 static int evaluate_absolute
PARAMS ((struct pa_it
*));
510 static unsigned int pa_build_arg_reloc
PARAMS ((char *));
511 static unsigned int pa_align_arg_reloc
PARAMS ((unsigned int, unsigned int));
512 static int pa_parse_nullif
PARAMS ((char **));
513 static int pa_parse_nonneg_cmpsub_cmpltr
PARAMS ((char **));
514 static int pa_parse_neg_cmpsub_cmpltr
PARAMS ((char **));
515 static int pa_parse_neg_add_cmpltr
PARAMS ((char **));
516 static int pa_parse_nonneg_add_cmpltr
PARAMS ((char **));
517 static int pa_parse_cmpb_64_cmpltr
PARAMS ((char **));
518 static int pa_parse_cmpib_64_cmpltr
PARAMS ((char **));
519 static int pa_parse_addb_64_cmpltr
PARAMS ((char **));
520 static void pa_block
PARAMS ((int));
521 static void pa_brtab
PARAMS ((int));
522 static void pa_try
PARAMS ((int));
523 static void pa_call
PARAMS ((int));
524 static void pa_call_args
PARAMS ((struct call_desc
*));
525 static void pa_callinfo
PARAMS ((int));
526 static void pa_copyright
PARAMS ((int));
527 static void pa_end
PARAMS ((int));
528 static void pa_enter
PARAMS ((int));
529 static void pa_entry
PARAMS ((int));
530 static void pa_equ
PARAMS ((int));
531 static void pa_exit
PARAMS ((int));
532 static void pa_export
PARAMS ((int));
533 static void pa_type_args
PARAMS ((symbolS
*, int));
534 static void pa_import
PARAMS ((int));
535 static void pa_label
PARAMS ((int));
536 static void pa_leave
PARAMS ((int));
537 static void pa_level
PARAMS ((int));
538 static void pa_origin
PARAMS ((int));
539 static void pa_proc
PARAMS ((int));
540 static void pa_procend
PARAMS ((int));
541 static void pa_param
PARAMS ((int));
542 static void pa_undefine_label
PARAMS ((void));
543 static int need_pa11_opcode
PARAMS ((void));
544 static int pa_parse_number
PARAMS ((char **, int));
545 static label_symbol_struct
*pa_get_label
PARAMS ((void));
547 static int log2
PARAMS ((int));
548 static void pa_compiler
PARAMS ((int));
549 static void pa_align
PARAMS ((int));
550 static void pa_space
PARAMS ((int));
551 static void pa_spnum
PARAMS ((int));
552 static void pa_subspace
PARAMS ((int));
553 static sd_chain_struct
*create_new_space
PARAMS ((char *, int, int,
556 static ssd_chain_struct
*create_new_subspace
PARAMS ((sd_chain_struct
*,
561 static ssd_chain_struct
*update_subspace
PARAMS ((sd_chain_struct
*,
562 char *, int, int, int,
566 static sd_chain_struct
*is_defined_space
PARAMS ((char *));
567 static ssd_chain_struct
*is_defined_subspace
PARAMS ((char *));
568 static sd_chain_struct
*pa_segment_to_space
PARAMS ((asection
*));
569 static ssd_chain_struct
*pa_subsegment_to_subspace
PARAMS ((asection
*,
571 static sd_chain_struct
*pa_find_space_by_number
PARAMS ((int));
572 static unsigned int pa_subspace_start
PARAMS ((sd_chain_struct
*, int));
573 static sd_chain_struct
*pa_parse_space_stmt
PARAMS ((char *, int));
574 static int pa_next_subseg
PARAMS ((sd_chain_struct
*));
575 static void pa_spaces_begin
PARAMS ((void));
577 static void pa_ip
PARAMS ((char *));
578 static void fix_new_hppa
PARAMS ((fragS
*, int, int, symbolS
*,
579 offsetT
, expressionS
*, int,
580 bfd_reloc_code_real_type
,
581 enum hppa_reloc_field_selector_type_alt
,
582 int, unsigned int, int));
583 static int is_end_of_statement
PARAMS ((void));
584 static int reg_name_search
PARAMS ((char *));
585 static int pa_chk_field_selector
PARAMS ((char **));
586 static int is_same_frag
PARAMS ((fragS
*, fragS
*));
587 static void process_exit
PARAMS ((void));
588 static unsigned int pa_stringer_aux
PARAMS ((char *));
589 static fp_operand_format pa_parse_fp_cnv_format
PARAMS ((char **s
));
590 static int pa_parse_ftest_gfx_completer
PARAMS ((char **));
593 static void hppa_elf_mark_end_of_function
PARAMS ((void));
594 static void pa_build_unwind_subspace
PARAMS ((struct call_info
*));
595 static void pa_vtable_entry
PARAMS ((int));
596 static void pa_vtable_inherit
PARAMS ((int));
599 /* File and gloally scoped variable declarations. */
602 /* Root and final entry in the space chain. */
603 static sd_chain_struct
*space_dict_root
;
604 static sd_chain_struct
*space_dict_last
;
606 /* The current space and subspace. */
607 static sd_chain_struct
*current_space
;
608 static ssd_chain_struct
*current_subspace
;
611 /* Root of the call_info chain. */
612 static struct call_info
*call_info_root
;
614 /* The last call_info (for functions) structure
615 seen so it can be associated with fixups and
617 static struct call_info
*last_call_info
;
619 /* The last call description (for actual calls). */
620 static struct call_desc last_call_desc
;
622 /* handle of the OPCODE hash table */
623 static struct hash_control
*op_hash
= NULL
;
625 /* Those characters can be suffixes of opcode names. */
626 const char hppa_symbol_chars
[] = ",*!?=<>";
628 /* Table of pseudo ops for the PA. FIXME -- how many of these
629 are now redundant with the overall GAS and the object file
631 const pseudo_typeS md_pseudo_table
[] =
633 /* align pseudo-ops on the PA specify the actual alignment requested,
634 not the log2 of the requested alignment. */
636 {"align", pa_align
, 8},
639 {"align", s_align_bytes
, 8},
641 {"begin_brtab", pa_brtab
, 1},
642 {"begin_try", pa_try
, 1},
643 {"block", pa_block
, 1},
644 {"blockz", pa_block
, 0},
645 {"byte", pa_cons
, 1},
646 {"call", pa_call
, 0},
647 {"callinfo", pa_callinfo
, 0},
648 #if defined (OBJ_ELF) && defined (TE_LINUX)
649 {"code", obj_elf_text
, 0},
651 {"code", pa_text
, 0},
652 {"comm", pa_comm
, 0},
655 {"compiler", pa_compiler
, 0},
657 {"copyright", pa_copyright
, 0},
658 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
659 {"data", pa_data
, 0},
661 {"double", pa_float_cons
, 'd'},
662 {"dword", pa_cons
, 8},
664 {"end_brtab", pa_brtab
, 0},
665 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
666 {"end_try", pa_try
, 0},
668 {"enter", pa_enter
, 0},
669 {"entry", pa_entry
, 0},
671 {"exit", pa_exit
, 0},
672 {"export", pa_export
, 0},
674 {"file", (void (*) PARAMS ((int))) dwarf2_directive_file
, 0 },
676 {"fill", pa_fill
, 0},
677 {"float", pa_float_cons
, 'f'},
678 {"half", pa_cons
, 2},
679 {"import", pa_import
, 0},
681 {"label", pa_label
, 0},
682 {"lcomm", pa_lcomm
, 0},
683 {"leave", pa_leave
, 0},
684 {"level", pa_level
, 0},
686 {"loc", dwarf2_directive_loc
, 0 },
688 {"long", pa_cons
, 4},
689 {"lsym", pa_lsym
, 0},
691 {"nsubspa", pa_subspace
, 1},
693 {"octa", pa_cons
, 16},
694 {"org", pa_origin
, 0},
695 {"origin", pa_origin
, 0},
696 {"param", pa_param
, 0},
697 {"proc", pa_proc
, 0},
698 {"procend", pa_procend
, 0},
699 {"quad", pa_cons
, 8},
701 {"short", pa_cons
, 2},
702 {"single", pa_float_cons
, 'f'},
704 {"space", pa_space
, 0},
705 {"spnum", pa_spnum
, 0},
707 {"string", pa_stringer
, 0},
708 {"stringz", pa_stringer
, 1},
710 {"subspa", pa_subspace
, 0},
712 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
713 {"text", pa_text
, 0},
715 {"version", pa_version
, 0},
717 {"vtable_entry", pa_vtable_entry
, 0},
718 {"vtable_inherit", pa_vtable_inherit
, 0},
720 {"word", pa_cons
, 4},
724 /* This array holds the chars that only start a comment at the beginning of
725 a line. If the line seems to have the form '# 123 filename'
726 .line and .file directives will appear in the pre-processed output.
728 Note that input_file.c hand checks for '#' at the beginning of the
729 first line of the input file. This is because the compiler outputs
730 #NO_APP at the beginning of its output.
732 Also note that C style comments will always work. */
733 const char line_comment_chars
[] = "#";
735 /* This array holds the chars that always start a comment. If the
736 pre-processor is disabled, these aren't very useful. */
737 const char comment_chars
[] = ";";
739 /* This array holds the characters which act as line separators. */
740 const char line_separator_chars
[] = "!";
742 /* Chars that can be used to separate mant from exp in floating point nums. */
743 const char EXP_CHARS
[] = "eE";
745 /* Chars that mean this number is a floating point constant.
746 As in 0f12.456 or 0d1.2345e12.
748 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
749 changed in read.c. Ideally it shouldn't hae to know abou it at
750 all, but nothing is ideal around here. */
751 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
753 static struct pa_it the_insn
;
755 /* Points to the end of an expression just parsed by get_expressoin
756 and friends. FIXME. This shouldn't be handled with a file-global
758 static char *expr_end
;
760 /* Nonzero if a .callinfo appeared within the current procedure. */
761 static int callinfo_found
;
763 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
764 static int within_entry_exit
;
766 /* Nonzero if the assembler is currently within a procedure definition. */
767 static int within_procedure
;
769 /* Handle on structure which keep track of the last symbol
770 seen in each subspace. */
771 static label_symbol_struct
*label_symbols_rootp
= NULL
;
773 /* Holds the last field selector. */
774 static int hppa_field_selector
;
776 /* Nonzero when strict syntax checking is enabled. Zero otherwise.
778 Each opcode in the table has a flag which indicates whether or not
779 strict syntax checking should be enabled for that instruction. */
780 static int strict
= 0;
782 /* pa_parse_number returns values in `pa_number'. Mostly
783 pa_parse_number is used to return a register number, with floating
784 point registers being numbered from FP_REG_BASE upwards.
785 The bit specified with FP_REG_RSEL is set if the floating point
786 register has a `r' suffix. */
787 #define FP_REG_BASE 64
788 #define FP_REG_RSEL 128
789 static int pa_number
;
792 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
793 static symbolS
*dummy_symbol
;
796 /* Nonzero if errors are to be printed. */
797 static int print_errors
= 1;
799 /* List of registers that are pre-defined:
801 Each general register has one predefined name of the form
802 %r<REGNUM> which has the value <REGNUM>.
804 Space and control registers are handled in a similar manner,
805 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
807 Likewise for the floating point registers, but of the form
808 %fr<REGNUM>. Floating point registers have additional predefined
809 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
810 again have the value <REGNUM>.
812 Many registers also have synonyms:
814 %r26 - %r23 have %arg0 - %arg3 as synonyms
815 %r28 - %r29 have %ret0 - %ret1 as synonyms
816 %r30 has %sp as a synonym
817 %r27 has %dp as a synonym
818 %r2 has %rp as a synonym
820 Almost every control register has a synonym; they are not listed
823 The table is sorted. Suitable for searching by a binary search. */
825 static const struct pd_reg pre_defined_registers
[] =
859 {"%fr0", 0 + FP_REG_BASE
},
860 {"%fr0l", 0 + FP_REG_BASE
},
861 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
862 {"%fr1", 1 + FP_REG_BASE
},
863 {"%fr10", 10 + FP_REG_BASE
},
864 {"%fr10l", 10 + FP_REG_BASE
},
865 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
866 {"%fr11", 11 + FP_REG_BASE
},
867 {"%fr11l", 11 + FP_REG_BASE
},
868 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
869 {"%fr12", 12 + FP_REG_BASE
},
870 {"%fr12l", 12 + FP_REG_BASE
},
871 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
872 {"%fr13", 13 + FP_REG_BASE
},
873 {"%fr13l", 13 + FP_REG_BASE
},
874 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
875 {"%fr14", 14 + FP_REG_BASE
},
876 {"%fr14l", 14 + FP_REG_BASE
},
877 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
878 {"%fr15", 15 + FP_REG_BASE
},
879 {"%fr15l", 15 + FP_REG_BASE
},
880 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
881 {"%fr16", 16 + FP_REG_BASE
},
882 {"%fr16l", 16 + FP_REG_BASE
},
883 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
884 {"%fr17", 17 + FP_REG_BASE
},
885 {"%fr17l", 17 + FP_REG_BASE
},
886 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
887 {"%fr18", 18 + FP_REG_BASE
},
888 {"%fr18l", 18 + FP_REG_BASE
},
889 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
890 {"%fr19", 19 + FP_REG_BASE
},
891 {"%fr19l", 19 + FP_REG_BASE
},
892 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
893 {"%fr1l", 1 + FP_REG_BASE
},
894 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
895 {"%fr2", 2 + FP_REG_BASE
},
896 {"%fr20", 20 + FP_REG_BASE
},
897 {"%fr20l", 20 + FP_REG_BASE
},
898 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
899 {"%fr21", 21 + FP_REG_BASE
},
900 {"%fr21l", 21 + FP_REG_BASE
},
901 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
902 {"%fr22", 22 + FP_REG_BASE
},
903 {"%fr22l", 22 + FP_REG_BASE
},
904 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
905 {"%fr23", 23 + FP_REG_BASE
},
906 {"%fr23l", 23 + FP_REG_BASE
},
907 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
908 {"%fr24", 24 + FP_REG_BASE
},
909 {"%fr24l", 24 + FP_REG_BASE
},
910 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
911 {"%fr25", 25 + FP_REG_BASE
},
912 {"%fr25l", 25 + FP_REG_BASE
},
913 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
914 {"%fr26", 26 + FP_REG_BASE
},
915 {"%fr26l", 26 + FP_REG_BASE
},
916 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
917 {"%fr27", 27 + FP_REG_BASE
},
918 {"%fr27l", 27 + FP_REG_BASE
},
919 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
920 {"%fr28", 28 + FP_REG_BASE
},
921 {"%fr28l", 28 + FP_REG_BASE
},
922 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
923 {"%fr29", 29 + FP_REG_BASE
},
924 {"%fr29l", 29 + FP_REG_BASE
},
925 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
926 {"%fr2l", 2 + FP_REG_BASE
},
927 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
928 {"%fr3", 3 + FP_REG_BASE
},
929 {"%fr30", 30 + FP_REG_BASE
},
930 {"%fr30l", 30 + FP_REG_BASE
},
931 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
932 {"%fr31", 31 + FP_REG_BASE
},
933 {"%fr31l", 31 + FP_REG_BASE
},
934 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
935 {"%fr3l", 3 + FP_REG_BASE
},
936 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
937 {"%fr4", 4 + FP_REG_BASE
},
938 {"%fr4l", 4 + FP_REG_BASE
},
939 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
940 {"%fr5", 5 + FP_REG_BASE
},
941 {"%fr5l", 5 + FP_REG_BASE
},
942 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
943 {"%fr6", 6 + FP_REG_BASE
},
944 {"%fr6l", 6 + FP_REG_BASE
},
945 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
946 {"%fr7", 7 + FP_REG_BASE
},
947 {"%fr7l", 7 + FP_REG_BASE
},
948 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
949 {"%fr8", 8 + FP_REG_BASE
},
950 {"%fr8l", 8 + FP_REG_BASE
},
951 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
952 {"%fr9", 9 + FP_REG_BASE
},
953 {"%fr9l", 9 + FP_REG_BASE
},
954 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
962 #if TARGET_ARCH_SIZE == 64
1030 /* This table is sorted by order of the length of the string. This is
1031 so we check for <> before we check for <. If we had a <> and checked
1032 for < first, we would get a false match. */
1033 static const struct fp_cond_map fp_cond_map
[] =
1069 static const struct selector_entry selector_table
[] =
1094 /* default space and subspace dictionaries */
1096 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1097 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1099 /* pre-defined subsegments (subspaces) for the HPPA. */
1100 #define SUBSEG_CODE 0
1101 #define SUBSEG_LIT 1
1102 #define SUBSEG_MILLI 2
1103 #define SUBSEG_DATA 0
1104 #define SUBSEG_BSS 2
1105 #define SUBSEG_UNWIND 3
1106 #define SUBSEG_GDB_STRINGS 0
1107 #define SUBSEG_GDB_SYMBOLS 1
1109 static struct default_subspace_dict pa_def_subspaces
[] =
1111 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1112 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1113 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1114 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1115 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1116 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1119 static struct default_space_dict pa_def_spaces
[] =
1121 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1122 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1123 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1126 /* Misc local definitions used by the assembler. */
1128 /* These macros are used to maintain spaces/subspaces. */
1129 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1130 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1131 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1132 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1134 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1135 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1138 /* Return nonzero if the string pointed to by S potentially represents
1139 a right or left half of a FP register */
1140 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1141 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1143 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1144 main loop after insertion. */
1146 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1148 ((OPCODE) |= (FIELD) << (START)); \
1152 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1153 IGNORE is used to suppress the error message. */
1155 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1157 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1160 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1166 /* Variant of CHECK_FIELD for use in md_apply_fix3 and other places where
1167 the current file and line number are not valid. */
1169 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1171 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1173 as_bad_where ((FILENAME), (LINE), \
1174 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1180 /* Simple alignment checking for FIELD againt ALIGN (a power of two).
1181 IGNORE is used to suppress the error message. */
1183 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1185 if ((FIELD) & ((ALIGN) - 1)) \
1188 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1194 #define is_DP_relative(exp) \
1195 ((exp).X_op == O_subtract \
1196 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1198 #define is_PC_relative(exp) \
1199 ((exp).X_op == O_subtract \
1200 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1202 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1203 always be able to reduce the expression to a constant, so we don't
1204 need real complex handling yet. */
1205 #define is_complex(exp) \
1206 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1208 /* Actual functions to implement the PA specific code for the assembler. */
1210 /* Called before writing the object file. Make sure entry/exit and
1211 proc/procend pairs match. */
1216 if (within_entry_exit
)
1217 as_fatal (_("Missing .exit\n"));
1219 if (within_procedure
)
1220 as_fatal (_("Missing .procend\n"));
1223 /* Returns a pointer to the label_symbol_struct for the current space.
1224 or NULL if no label_symbol_struct exists for the current space. */
1226 static label_symbol_struct
*
1229 label_symbol_struct
*label_chain
;
1231 for (label_chain
= label_symbols_rootp
;
1233 label_chain
= label_chain
->lss_next
)
1236 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1240 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1248 /* Defines a label for the current space. If one is already defined,
1249 this function will replace it with the new label. */
1252 pa_define_label (symbol
)
1255 label_symbol_struct
*label_chain
= pa_get_label ();
1258 label_chain
->lss_label
= symbol
;
1261 /* Create a new label entry and add it to the head of the chain. */
1263 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1264 label_chain
->lss_label
= symbol
;
1266 label_chain
->lss_space
= current_space
;
1269 label_chain
->lss_segment
= now_seg
;
1271 label_chain
->lss_next
= NULL
;
1273 if (label_symbols_rootp
)
1274 label_chain
->lss_next
= label_symbols_rootp
;
1276 label_symbols_rootp
= label_chain
;
1280 /* Removes a label definition for the current space.
1281 If there is no label_symbol_struct entry, then no action is taken. */
1284 pa_undefine_label ()
1286 label_symbol_struct
*label_chain
;
1287 label_symbol_struct
*prev_label_chain
= NULL
;
1289 for (label_chain
= label_symbols_rootp
;
1291 label_chain
= label_chain
->lss_next
)
1295 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1298 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1302 /* Remove the label from the chain and free its memory. */
1303 if (prev_label_chain
)
1304 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1306 label_symbols_rootp
= label_chain
->lss_next
;
1311 prev_label_chain
= label_chain
;
1315 /* An HPPA-specific version of fix_new. This is required because the HPPA
1316 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1317 results in the creation of an instance of an hppa_fix_struct. An
1318 hppa_fix_struct stores the extra information along with a pointer to the
1319 original fixS. This is attached to the original fixup via the
1320 tc_fix_data field. */
1323 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1324 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1328 symbolS
*add_symbol
;
1332 bfd_reloc_code_real_type r_type
;
1333 enum hppa_reloc_field_selector_type_alt r_field
;
1335 unsigned int arg_reloc
;
1336 int unwind_bits ATTRIBUTE_UNUSED
;
1340 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1341 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1344 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1346 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1347 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1348 hppa_fix
->fx_r_type
= r_type
;
1349 hppa_fix
->fx_r_field
= r_field
;
1350 hppa_fix
->fx_r_format
= r_format
;
1351 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1352 hppa_fix
->segment
= now_seg
;
1354 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1355 new_fix
->fx_offset
= unwind_bits
;
1358 /* foo-$global$ is used to access non-automatic storage. $global$
1359 is really just a marker and has served its purpose, so eliminate
1360 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1361 if (new_fix
->fx_subsy
1362 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1363 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0))
1364 new_fix
->fx_subsy
= NULL
;
1367 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1368 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1371 parse_cons_expression_hppa (exp
)
1374 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1378 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1379 hppa_field_selector is set by the parse_cons_expression_hppa. */
1382 cons_fix_new_hppa (frag
, where
, size
, exp
)
1388 unsigned int rel_type
;
1390 /* Get a base relocation type. */
1391 if (is_DP_relative (*exp
))
1392 rel_type
= R_HPPA_GOTOFF
;
1393 else if (is_complex (*exp
))
1394 rel_type
= R_HPPA_COMPLEX
;
1398 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1400 as_warn (_("Invalid field selector. Assuming F%%."));
1401 hppa_field_selector
= e_fsel
;
1404 fix_new_hppa (frag
, where
, size
,
1405 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1406 hppa_field_selector
, size
* 8, 0, 0);
1408 /* Reset field selector to its default state. */
1409 hppa_field_selector
= 0;
1412 /* This function is called once, at assembler startup time. It should
1413 set up all the tables, etc. that the MD part of the assembler will need. */
1418 const char *retval
= NULL
;
1422 last_call_info
= NULL
;
1423 call_info_root
= NULL
;
1425 /* Set the default machine type. */
1426 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
1427 as_warn (_("could not set architecture and machine"));
1429 /* Folding of text and data segments fails miserably on the PA.
1430 Warn user and disable "-R" option. */
1431 if (flag_readonly_data_in_text
)
1433 as_warn (_("-R option not supported on this target."));
1434 flag_readonly_data_in_text
= 0;
1441 op_hash
= hash_new ();
1443 while (i
< NUMOPCODES
)
1445 const char *name
= pa_opcodes
[i
].name
;
1446 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1447 if (retval
!= NULL
&& *retval
!= '\0')
1449 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1454 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1455 != pa_opcodes
[i
].match
)
1457 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1458 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1463 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1467 as_fatal (_("Broken assembler. No assembly attempted."));
1470 /* SOM will change text_section. To make sure we never put
1471 anything into the old one switch to the new one now. */
1472 subseg_set (text_section
, 0);
1476 dummy_symbol
= symbol_find_or_make ("L$dummy");
1477 S_SET_SEGMENT (dummy_symbol
, text_section
);
1478 /* Force the symbol to be converted to a real symbol. */
1479 (void) symbol_get_bfdsym (dummy_symbol
);
1483 /* Assemble a single instruction storing it into a frag. */
1490 /* The had better be something to assemble. */
1493 /* If we are within a procedure definition, make sure we've
1494 defined a label for the procedure; handle case where the
1495 label was defined after the .PROC directive.
1497 Note there's not need to diddle with the segment or fragment
1498 for the label symbol in this case. We have already switched
1499 into the new $CODE$ subspace at this point. */
1500 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1502 label_symbol_struct
*label_symbol
= pa_get_label ();
1506 if (label_symbol
->lss_label
)
1508 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1509 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1512 /* Also handle allocation of a fixup to hold the unwind
1513 information when the label appears after the proc/procend. */
1514 if (within_entry_exit
)
1519 where
= frag_more (0);
1520 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
1521 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1522 NULL
, (offsetT
) 0, NULL
,
1523 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
1528 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1531 as_bad (_("Missing function name for .PROC"));
1534 /* Assemble the instruction. Results are saved into "the_insn". */
1537 /* Get somewhere to put the assembled instrution. */
1540 /* Output the opcode. */
1541 md_number_to_chars (to
, the_insn
.opcode
, 4);
1543 /* If necessary output more stuff. */
1544 if (the_insn
.reloc
!= R_HPPA_NONE
)
1545 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1546 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1547 the_insn
.reloc
, the_insn
.field_selector
,
1548 the_insn
.format
, the_insn
.arg_reloc
, 0);
1551 dwarf2_emit_insn (4);
1555 /* Do the real work for assembling a single instruction. Store results
1556 into the global "the_insn" variable. */
1562 char *error_message
= "";
1563 char *s
, c
, *argstart
, *name
, *save_s
;
1567 int cmpltr
, nullif
, flag
, cond
, num
;
1568 unsigned long opcode
;
1569 struct pa_opcode
*insn
;
1572 /* We must have a valid space and subspace. */
1573 pa_check_current_space_and_subspace ();
1576 /* Convert everything up to the first whitespace character into lower
1578 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1581 /* Skip to something interesting. */
1583 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
1603 as_fatal (_("Unknown opcode: `%s'"), str
);
1606 /* Look up the opcode in the has table. */
1607 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1609 as_bad ("Unknown opcode: `%s'", str
);
1618 /* Mark the location where arguments for the instruction start, then
1619 start processing them. */
1623 /* Do some initialization. */
1624 opcode
= insn
->match
;
1625 strict
= (insn
->flags
& FLAG_STRICT
);
1626 memset (&the_insn
, 0, sizeof (the_insn
));
1628 the_insn
.reloc
= R_HPPA_NONE
;
1630 /* If this instruction is specific to a particular architecture,
1631 then set a new architecture. */
1632 /* But do not automatically promote to pa2.0. The automatic promotion
1633 crud is for compatability with HP's old assemblers only. */
1635 && bfd_get_mach (stdoutput
) < insn
->arch
)
1637 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1638 as_warn (_("could not update architecture and machine"));
1640 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1646 /* Build the opcode, checking as we go to make
1647 sure that the operands match. */
1648 for (args
= insn
->args
;; ++args
)
1650 /* Absorb white space in instruction. */
1651 while (*s
== ' ' || *s
== '\t')
1657 /* End of arguments. */
1673 /* These must match exactly. */
1682 /* Handle a 5 bit register or control register field at 10. */
1685 if (!pa_parse_number (&s
, 0))
1688 CHECK_FIELD (num
, 31, 0, 0);
1689 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1691 /* Handle %sar or %cr11. No bits get set, we just verify that it
1694 /* Skip whitespace before register. */
1695 while (*s
== ' ' || *s
== '\t')
1698 if (!strncasecmp (s
, "%sar", 4))
1703 else if (!strncasecmp (s
, "%cr11", 5))
1710 /* Handle a 5 bit register field at 15. */
1712 if (!pa_parse_number (&s
, 0))
1715 CHECK_FIELD (num
, 31, 0, 0);
1716 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1718 /* Handle a 5 bit register field at 31. */
1720 if (!pa_parse_number (&s
, 0))
1723 CHECK_FIELD (num
, 31, 0, 0);
1724 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1726 /* Handle a 5 bit register field at 10 and 15. */
1728 if (!pa_parse_number (&s
, 0))
1731 CHECK_FIELD (num
, 31, 0, 0);
1732 opcode
|= num
<< 16;
1733 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1735 /* Handle a 5 bit field length at 31. */
1737 num
= pa_get_absolute_expression (&the_insn
, &s
);
1738 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1741 CHECK_FIELD (num
, 32, 1, 0);
1742 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1744 /* Handle a 5 bit immediate at 15. */
1746 num
= pa_get_absolute_expression (&the_insn
, &s
);
1747 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1750 /* When in strict mode, we want to just reject this
1751 match instead of giving an out of range error. */
1752 CHECK_FIELD (num
, 15, -16, strict
);
1753 num
= low_sign_unext (num
, 5);
1754 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1756 /* Handle a 5 bit immediate at 31. */
1758 num
= pa_get_absolute_expression (&the_insn
, &s
);
1759 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1762 /* When in strict mode, we want to just reject this
1763 match instead of giving an out of range error. */
1764 CHECK_FIELD (num
, 15, -16, strict
);
1765 num
= low_sign_unext (num
, 5);
1766 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1768 /* Handle an unsigned 5 bit immediate at 31. */
1770 num
= pa_get_absolute_expression (&the_insn
, &s
);
1771 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1774 CHECK_FIELD (num
, 31, 0, strict
);
1775 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1777 /* Handle an unsigned 5 bit immediate at 15. */
1779 num
= pa_get_absolute_expression (&the_insn
, &s
);
1780 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1783 CHECK_FIELD (num
, 31, 0, strict
);
1784 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1786 /* Handle an unsigned 10 bit immediate at 15. */
1788 num
= pa_get_absolute_expression (&the_insn
, &s
);
1789 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1792 CHECK_FIELD (num
, 1023, 0, strict
);
1793 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1795 /* Handle a 2 bit space identifier at 17. */
1797 if (!pa_parse_number (&s
, 0))
1800 CHECK_FIELD (num
, 3, 0, 1);
1801 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1803 /* Handle a 3 bit space identifier at 18. */
1805 if (!pa_parse_number (&s
, 0))
1808 CHECK_FIELD (num
, 7, 0, 1);
1809 opcode
|= re_assemble_3 (num
);
1812 /* Handle all completers. */
1817 /* Handle a completer for an indexing load or store. */
1824 while (*s
== ',' && i
< 2)
1827 if (strncasecmp (s
, "sm", 2) == 0)
1834 else if (strncasecmp (s
, "m", 1) == 0)
1836 else if ((strncasecmp (s
, "s ", 2) == 0)
1837 || (strncasecmp (s
, "s,", 2) == 0))
1839 /* When in strict mode this is a match failure. */
1846 as_bad (_("Invalid Indexed Load Completer."));
1851 as_bad (_("Invalid Indexed Load Completer Syntax."));
1853 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1856 /* Handle a short load/store completer. */
1869 if (strncasecmp (s
, "ma", 2) == 0)
1875 else if (strncasecmp (s
, "mb", 2) == 0)
1882 /* When in strict mode, pass through for cache op. */
1883 if (!found
&& strict
)
1888 as_bad (_("Invalid Short Load/Store Completer."));
1892 /* If we did not get a ma/mb completer, then we do not
1893 consider this a positive match for 'ce'. */
1894 else if (*args
== 'e')
1897 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1898 encode the before/after field. */
1899 if (*args
== 'm' || *args
== 'M')
1902 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1904 else if (*args
== 'q')
1907 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1909 else if (*args
== 'J')
1911 /* M bit is explicit in the major opcode. */
1912 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1914 else if (*args
== 'e')
1916 /* Stash the ma/mb flag temporarily in the
1917 instruction. We will use (and remove it)
1918 later when handling 'J', 'K', '<' & '>'. */
1924 /* Handle a stbys completer. */
1931 while (*s
== ',' && i
< 2)
1934 if (strncasecmp (s
, "m", 1) == 0)
1936 else if ((strncasecmp (s
, "b ", 2) == 0)
1937 || (strncasecmp (s
, "b,", 2) == 0))
1939 else if (strncasecmp (s
, "e", 1) == 0)
1941 /* When in strict mode this is a match failure. */
1948 as_bad (_("Invalid Store Bytes Short Completer"));
1953 as_bad (_("Invalid Store Bytes Short Completer"));
1955 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1958 /* Handle load cache hint completer. */
1961 if (!strncmp (s
, ",sl", 3))
1966 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1968 /* Handle store cache hint completer. */
1971 if (!strncmp (s
, ",sl", 3))
1976 else if (!strncmp (s
, ",bc", 3))
1981 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1983 /* Handle load and clear cache hint completer. */
1986 if (!strncmp (s
, ",co", 3))
1991 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1993 /* Handle load ordering completer. */
1995 if (strncmp (s
, ",o", 2) != 0)
2000 /* Handle a branch gate completer. */
2002 if (strncasecmp (s
, ",gate", 5) != 0)
2007 /* Handle a branch link and push completer. */
2009 if (strncasecmp (s
, ",l,push", 7) != 0)
2014 /* Handle a branch link completer. */
2016 if (strncasecmp (s
, ",l", 2) != 0)
2021 /* Handle a branch pop completer. */
2023 if (strncasecmp (s
, ",pop", 4) != 0)
2028 /* Handle a local processor completer. */
2030 if (strncasecmp (s
, ",l", 2) != 0)
2035 /* Handle a PROBE read/write completer. */
2038 if (!strncasecmp (s
, ",w", 2))
2043 else if (!strncasecmp (s
, ",r", 2))
2049 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2051 /* Handle MFCTL wide completer. */
2053 if (strncasecmp (s
, ",w", 2) != 0)
2058 /* Handle an RFI restore completer. */
2061 if (!strncasecmp (s
, ",r", 2))
2067 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2069 /* Handle a system control completer. */
2071 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2079 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2081 /* Handle intermediate/final completer for DCOR. */
2084 if (!strncasecmp (s
, ",i", 2))
2090 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2092 /* Handle zero/sign extension completer. */
2095 if (!strncasecmp (s
, ",z", 2))
2101 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2103 /* Handle add completer. */
2106 if (!strncasecmp (s
, ",l", 2))
2111 else if (!strncasecmp (s
, ",tsv", 4))
2117 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2119 /* Handle 64 bit carry for ADD. */
2122 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2123 !strncasecmp (s
, ",tsv,dc", 7))
2128 else if (!strncasecmp (s
, ",dc", 3))
2136 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2138 /* Handle 32 bit carry for ADD. */
2141 if (!strncasecmp (s
, ",c,tsv", 6) ||
2142 !strncasecmp (s
, ",tsv,c", 6))
2147 else if (!strncasecmp (s
, ",c", 2))
2155 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2157 /* Handle trap on signed overflow. */
2160 if (!strncasecmp (s
, ",tsv", 4))
2166 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2168 /* Handle trap on condition and overflow. */
2171 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2172 !strncasecmp (s
, ",tsv,tc", 7))
2177 else if (!strncasecmp (s
, ",tc", 3))
2185 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2187 /* Handle 64 bit borrow for SUB. */
2190 if (!strncasecmp (s
, ",db,tsv", 7) ||
2191 !strncasecmp (s
, ",tsv,db", 7))
2196 else if (!strncasecmp (s
, ",db", 3))
2204 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2206 /* Handle 32 bit borrow for SUB. */
2209 if (!strncasecmp (s
, ",b,tsv", 6) ||
2210 !strncasecmp (s
, ",tsv,b", 6))
2215 else if (!strncasecmp (s
, ",b", 2))
2223 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2225 /* Handle trap condition completer for UADDCM. */
2228 if (!strncasecmp (s
, ",tc", 3))
2234 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2236 /* Handle signed/unsigned at 21. */
2240 if (strncasecmp (s
, ",s", 2) == 0)
2245 else if (strncasecmp (s
, ",u", 2) == 0)
2251 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2254 /* Handle left/right combination at 17:18. */
2264 as_bad (_("Invalid left/right combination completer"));
2267 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2270 as_bad (_("Invalid left/right combination completer"));
2273 /* Handle saturation at 24:25. */
2277 if (strncasecmp (s
, ",ss", 3) == 0)
2282 else if (strncasecmp (s
, ",us", 3) == 0)
2288 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2291 /* Handle permutation completer. */
2319 as_bad (_("Invalid permutation completer"));
2321 opcode
|= perm
<< permloc
[i
];
2326 as_bad (_("Invalid permutation completer"));
2334 /* Handle all conditions. */
2340 /* Handle FP compare conditions. */
2342 cond
= pa_parse_fp_cmp_cond (&s
);
2343 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2345 /* Handle an add condition. */
2354 /* 64 bit conditions. */
2367 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2371 if (strcmp (name
, "=") == 0)
2373 else if (strcmp (name
, "<") == 0)
2375 else if (strcmp (name
, "<=") == 0)
2377 else if (strcasecmp (name
, "nuv") == 0)
2379 else if (strcasecmp (name
, "znv") == 0)
2381 else if (strcasecmp (name
, "sv") == 0)
2383 else if (strcasecmp (name
, "od") == 0)
2385 else if (strcasecmp (name
, "tr") == 0)
2390 else if (strcmp (name
, "<>") == 0)
2395 else if (strcmp (name
, ">=") == 0)
2400 else if (strcmp (name
, ">") == 0)
2405 else if (strcasecmp (name
, "uv") == 0)
2410 else if (strcasecmp (name
, "vnz") == 0)
2415 else if (strcasecmp (name
, "nsv") == 0)
2420 else if (strcasecmp (name
, "ev") == 0)
2425 /* ",*" is a valid condition. */
2426 else if (*args
== 'a')
2427 as_bad (_("Invalid Add Condition: %s"), name
);
2430 opcode
|= cmpltr
<< 13;
2431 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2433 /* Handle non-negated add and branch condition. */
2435 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2438 as_bad (_("Invalid Add and Branch Condition"));
2441 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2443 /* Handle 64 bit wide-mode add and branch condition. */
2445 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2448 as_bad (_("Invalid Add and Branch Condition"));
2453 /* Negated condition requires an opcode change. */
2454 opcode
|= (cmpltr
& 8) << 24;
2456 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2458 /* Handle a negated or non-negated add and branch
2462 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2466 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2469 as_bad (_("Invalid Compare/Subtract Condition"));
2474 /* Negated condition requires an opcode change. */
2478 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2480 /* Handle branch on bit conditions. */
2498 if (strncmp (s
, "<", 1) == 0)
2503 else if (strncmp (s
, ">=", 2) == 0)
2509 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2511 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2513 /* Handle a compare/subtract condition. */
2522 /* 64 bit conditions. */
2535 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2539 if (strcmp (name
, "=") == 0)
2541 else if (strcmp (name
, "<") == 0)
2543 else if (strcmp (name
, "<=") == 0)
2545 else if (strcasecmp (name
, "<<") == 0)
2547 else if (strcasecmp (name
, "<<=") == 0)
2549 else if (strcasecmp (name
, "sv") == 0)
2551 else if (strcasecmp (name
, "od") == 0)
2553 else if (strcasecmp (name
, "tr") == 0)
2558 else if (strcmp (name
, "<>") == 0)
2563 else if (strcmp (name
, ">=") == 0)
2568 else if (strcmp (name
, ">") == 0)
2573 else if (strcasecmp (name
, ">>=") == 0)
2578 else if (strcasecmp (name
, ">>") == 0)
2583 else if (strcasecmp (name
, "nsv") == 0)
2588 else if (strcasecmp (name
, "ev") == 0)
2593 /* ",*" is a valid condition. */
2594 else if (*args
!= 'S')
2595 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2599 opcode
|= cmpltr
<< 13;
2600 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2602 /* Handle a non-negated compare condition. */
2604 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2607 as_bad (_("Invalid Compare/Subtract Condition"));
2610 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2612 /* Handle a 32 bit compare and branch condition. */
2615 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2619 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2622 as_bad (_("Invalid Compare and Branch Condition"));
2627 /* Negated condition requires an opcode change. */
2632 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2634 /* Handle a 64 bit compare and branch condition. */
2636 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2639 /* Negated condition requires an opcode change. */
2640 opcode
|= (cmpltr
& 8) << 26;
2643 /* Not a 64 bit cond. Give 32 bit a chance. */
2646 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2648 /* Handle a 64 bit cmpib condition. */
2650 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2652 /* Not a 64 bit cond. Give 32 bit a chance. */
2655 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2657 /* Handle a logical instruction condition. */
2666 /* 64 bit conditions. */
2678 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2683 if (strcmp (name
, "=") == 0)
2685 else if (strcmp (name
, "<") == 0)
2687 else if (strcmp (name
, "<=") == 0)
2689 else if (strcasecmp (name
, "od") == 0)
2691 else if (strcasecmp (name
, "tr") == 0)
2696 else if (strcmp (name
, "<>") == 0)
2701 else if (strcmp (name
, ">=") == 0)
2706 else if (strcmp (name
, ">") == 0)
2711 else if (strcasecmp (name
, "ev") == 0)
2716 /* ",*" is a valid condition. */
2717 else if (*args
!= 'L')
2718 as_bad (_("Invalid Logical Instruction Condition."));
2721 opcode
|= cmpltr
<< 13;
2722 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2724 /* Handle a shift/extract/deposit condition. */
2733 /* 64 bit conditions. */
2745 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2749 if (strcmp (name
, "=") == 0)
2751 else if (strcmp (name
, "<") == 0)
2753 else if (strcasecmp (name
, "od") == 0)
2755 else if (strcasecmp (name
, "tr") == 0)
2757 else if (strcmp (name
, "<>") == 0)
2759 else if (strcmp (name
, ">=") == 0)
2761 else if (strcasecmp (name
, "ev") == 0)
2763 /* Handle movb,n. Put things back the way they were.
2764 This includes moving s back to where it started. */
2765 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2771 /* ",*" is a valid condition. */
2772 else if (*args
!= 'X')
2773 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2776 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2778 /* Handle a unit instruction condition. */
2787 /* 64 bit conditions. */
2798 if (strncasecmp (s
, "sbz", 3) == 0)
2803 else if (strncasecmp (s
, "shz", 3) == 0)
2808 else if (strncasecmp (s
, "sdc", 3) == 0)
2813 else if (strncasecmp (s
, "sbc", 3) == 0)
2818 else if (strncasecmp (s
, "shc", 3) == 0)
2823 else if (strncasecmp (s
, "tr", 2) == 0)
2829 else if (strncasecmp (s
, "nbz", 3) == 0)
2835 else if (strncasecmp (s
, "nhz", 3) == 0)
2841 else if (strncasecmp (s
, "ndc", 3) == 0)
2847 else if (strncasecmp (s
, "nbc", 3) == 0)
2853 else if (strncasecmp (s
, "nhc", 3) == 0)
2859 else if (strncasecmp (s
, "swz", 3) == 0)
2865 else if (strncasecmp (s
, "swc", 3) == 0)
2871 else if (strncasecmp (s
, "nwz", 3) == 0)
2877 else if (strncasecmp (s
, "nwc", 3) == 0)
2883 /* ",*" is a valid condition. */
2884 else if (*args
!= 'U')
2885 as_bad (_("Invalid Unit Instruction Condition."));
2887 opcode
|= cmpltr
<< 13;
2888 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2896 /* Handle a nullification completer for branch instructions. */
2898 nullif
= pa_parse_nullif (&s
);
2899 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2901 /* Handle a nullification completer for copr and spop insns. */
2903 nullif
= pa_parse_nullif (&s
);
2904 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2906 /* Handle ,%r2 completer for new syntax branches. */
2908 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2910 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2916 /* Handle 3 bit entry into the fp compare array. Valid values
2917 are 0..6 inclusive. */
2921 if (the_insn
.exp
.X_op
== O_constant
)
2923 num
= evaluate_absolute (&the_insn
);
2924 CHECK_FIELD (num
, 6, 0, 0);
2926 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2931 /* Handle 3 bit entry into the fp compare array. Valid values
2932 are 0..6 inclusive. */
2935 if (the_insn
.exp
.X_op
== O_constant
)
2938 num
= evaluate_absolute (&the_insn
);
2939 CHECK_FIELD (num
, 6, 0, 0);
2940 num
= (num
+ 1) ^ 1;
2941 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2946 /* Handle graphics test completers for ftest */
2949 num
= pa_parse_ftest_gfx_completer (&s
);
2950 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2953 /* Handle a 11 bit immediate at 31. */
2955 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2958 if (the_insn
.exp
.X_op
== O_constant
)
2960 num
= evaluate_absolute (&the_insn
);
2961 CHECK_FIELD (num
, 1023, -1024, 0);
2962 num
= low_sign_unext (num
, 11);
2963 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2967 if (is_DP_relative (the_insn
.exp
))
2968 the_insn
.reloc
= R_HPPA_GOTOFF
;
2969 else if (is_PC_relative (the_insn
.exp
))
2970 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2972 the_insn
.reloc
= R_HPPA
;
2973 the_insn
.format
= 11;
2977 /* Handle a 14 bit immediate at 31. */
2979 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2982 if (the_insn
.exp
.X_op
== O_constant
)
2986 /* XXX the completer stored away tidbits of information
2987 for us to extract. We need a cleaner way to do this.
2988 Now that we have lots of letters again, it would be
2989 good to rethink this. */
2992 num
= evaluate_absolute (&the_insn
);
2993 if (mb
!= (num
< 0))
2995 CHECK_FIELD (num
, 8191, -8192, 0);
2996 num
= low_sign_unext (num
, 14);
2997 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3001 /* Handle a 14 bit immediate at 31. */
3003 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3006 if (the_insn
.exp
.X_op
== O_constant
)
3012 num
= evaluate_absolute (&the_insn
);
3013 if (mb
== (num
< 0))
3017 CHECK_FIELD (num
, 8191, -8192, 0);
3018 num
= low_sign_unext (num
, 14);
3019 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3023 /* Handle a 16 bit immediate at 31. */
3025 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3028 if (the_insn
.exp
.X_op
== O_constant
)
3034 num
= evaluate_absolute (&the_insn
);
3035 if (mb
!= (num
< 0))
3037 CHECK_FIELD (num
, 32767, -32768, 0);
3038 num
= re_assemble_16 (num
);
3039 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3043 /* Handle a 16 bit immediate at 31. */
3045 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3048 if (the_insn
.exp
.X_op
== O_constant
)
3054 num
= evaluate_absolute (&the_insn
);
3055 if (mb
== (num
< 0))
3059 CHECK_FIELD (num
, 32767, -32768, 0);
3060 num
= re_assemble_16 (num
);
3061 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3065 /* Handle 14 bit immediate, shifted left three times. */
3067 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3070 if (the_insn
.exp
.X_op
== O_constant
)
3072 num
= evaluate_absolute (&the_insn
);
3075 CHECK_FIELD (num
, 8191, -8192, 0);
3080 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3084 if (is_DP_relative (the_insn
.exp
))
3085 the_insn
.reloc
= R_HPPA_GOTOFF
;
3086 else if (is_PC_relative (the_insn
.exp
))
3087 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3089 the_insn
.reloc
= R_HPPA
;
3090 the_insn
.format
= 14;
3095 /* Handle 14 bit immediate, shifted left twice. */
3097 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3100 if (the_insn
.exp
.X_op
== O_constant
)
3102 num
= evaluate_absolute (&the_insn
);
3105 CHECK_FIELD (num
, 8191, -8192, 0);
3110 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3114 if (is_DP_relative (the_insn
.exp
))
3115 the_insn
.reloc
= R_HPPA_GOTOFF
;
3116 else if (is_PC_relative (the_insn
.exp
))
3117 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3119 the_insn
.reloc
= R_HPPA
;
3120 the_insn
.format
= 14;
3124 /* Handle a 14 bit immediate at 31. */
3126 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3129 if (the_insn
.exp
.X_op
== O_constant
)
3131 num
= evaluate_absolute (&the_insn
);
3132 CHECK_FIELD (num
, 8191, -8192, 0);
3133 num
= low_sign_unext (num
, 14);
3134 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3138 if (is_DP_relative (the_insn
.exp
))
3139 the_insn
.reloc
= R_HPPA_GOTOFF
;
3140 else if (is_PC_relative (the_insn
.exp
))
3141 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3143 the_insn
.reloc
= R_HPPA
;
3144 the_insn
.format
= 14;
3148 /* Handle a 21 bit immediate at 31. */
3150 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3153 if (the_insn
.exp
.X_op
== O_constant
)
3155 num
= evaluate_absolute (&the_insn
);
3156 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3157 opcode
|= re_assemble_21 (num
);
3162 if (is_DP_relative (the_insn
.exp
))
3163 the_insn
.reloc
= R_HPPA_GOTOFF
;
3164 else if (is_PC_relative (the_insn
.exp
))
3165 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3167 the_insn
.reloc
= R_HPPA
;
3168 the_insn
.format
= 21;
3172 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3174 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3177 if (the_insn
.exp
.X_op
== O_constant
)
3179 num
= evaluate_absolute (&the_insn
);
3180 CHECK_FIELD (num
, 32767, -32768, 0);
3181 opcode
|= re_assemble_16 (num
);
3186 /* ??? Is this valid for wide mode? */
3187 if (is_DP_relative (the_insn
.exp
))
3188 the_insn
.reloc
= R_HPPA_GOTOFF
;
3189 else if (is_PC_relative (the_insn
.exp
))
3190 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3192 the_insn
.reloc
= R_HPPA
;
3193 the_insn
.format
= 14;
3197 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3199 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3202 if (the_insn
.exp
.X_op
== O_constant
)
3204 num
= evaluate_absolute (&the_insn
);
3205 CHECK_FIELD (num
, 32767, -32768, 0);
3206 CHECK_ALIGN (num
, 4, 0);
3207 opcode
|= re_assemble_16 (num
);
3212 /* ??? Is this valid for wide mode? */
3213 if (is_DP_relative (the_insn
.exp
))
3214 the_insn
.reloc
= R_HPPA_GOTOFF
;
3215 else if (is_PC_relative (the_insn
.exp
))
3216 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3218 the_insn
.reloc
= R_HPPA
;
3219 the_insn
.format
= 14;
3223 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3225 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3228 if (the_insn
.exp
.X_op
== O_constant
)
3230 num
= evaluate_absolute (&the_insn
);
3231 CHECK_FIELD (num
, 32767, -32768, 0);
3232 CHECK_ALIGN (num
, 8, 0);
3233 opcode
|= re_assemble_16 (num
);
3238 /* ??? Is this valid for wide mode? */
3239 if (is_DP_relative (the_insn
.exp
))
3240 the_insn
.reloc
= R_HPPA_GOTOFF
;
3241 else if (is_PC_relative (the_insn
.exp
))
3242 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3244 the_insn
.reloc
= R_HPPA
;
3245 the_insn
.format
= 14;
3249 /* Handle a 12 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 if (the_insn
.exp
.X_add_symbol
)
3267 CHECK_FIELD (num
, 8191, -8192, 0);
3268 opcode
|= re_assemble_12 (num
>> 2);
3273 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3274 the_insn
.format
= 12;
3275 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3276 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3281 /* Handle a 17 bit branch displacement. */
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 if (the_insn
.exp
.X_add_symbol
)
3299 CHECK_FIELD (num
, 262143, -262144, 0);
3300 opcode
|= re_assemble_17 (num
>> 2);
3305 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3306 the_insn
.format
= 17;
3307 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3308 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3312 /* Handle a 22 bit branch displacement. */
3314 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3318 if (!the_insn
.exp
.X_add_symbol
3319 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3322 num
= evaluate_absolute (&the_insn
);
3325 as_bad (_("Branch to unaligned address"));
3328 if (the_insn
.exp
.X_add_symbol
)
3330 CHECK_FIELD (num
, 8388607, -8388608, 0);
3331 opcode
|= re_assemble_22 (num
>> 2);
3335 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3336 the_insn
.format
= 22;
3337 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3338 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3342 /* Handle an absolute 17 bit branch target. */
3344 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3348 if (!the_insn
.exp
.X_add_symbol
3349 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3352 num
= evaluate_absolute (&the_insn
);
3355 as_bad (_("Branch to unaligned address"));
3358 if (the_insn
.exp
.X_add_symbol
)
3360 CHECK_FIELD (num
, 262143, -262144, 0);
3361 opcode
|= re_assemble_17 (num
>> 2);
3366 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3367 the_insn
.format
= 17;
3368 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3369 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3373 /* Handle '%r1' implicit operand of addil instruction. */
3375 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3376 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3384 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3386 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3391 /* Handle immediate value of 0 for ordered load/store instructions. */
3398 /* Handle a 2 bit shift count at 25. */
3400 num
= pa_get_absolute_expression (&the_insn
, &s
);
3401 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3404 CHECK_FIELD (num
, 3, 1, strict
);
3405 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3407 /* Handle a 4 bit shift count at 25. */
3409 num
= pa_get_absolute_expression (&the_insn
, &s
);
3410 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3413 CHECK_FIELD (num
, 15, 0, strict
);
3414 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3416 /* Handle a 5 bit shift count at 26. */
3418 num
= pa_get_absolute_expression (&the_insn
, &s
);
3419 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3422 CHECK_FIELD (num
, 31, 0, strict
);
3423 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3425 /* Handle a 6 bit shift count at 20,22:26. */
3427 num
= pa_get_absolute_expression (&the_insn
, &s
);
3428 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3431 CHECK_FIELD (num
, 63, 0, strict
);
3433 opcode
|= (num
& 0x20) << 6;
3434 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3436 /* Handle a 6 bit field length at 23,27:31. */
3439 num
= pa_get_absolute_expression (&the_insn
, &s
);
3440 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3443 CHECK_FIELD (num
, 64, 1, strict
);
3445 opcode
|= (num
& 0x20) << 3;
3446 num
= 31 - (num
& 0x1f);
3447 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3449 /* Handle a 6 bit field length at 19,27:31. */
3451 num
= pa_get_absolute_expression (&the_insn
, &s
);
3452 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3455 CHECK_FIELD (num
, 64, 1, strict
);
3457 opcode
|= (num
& 0x20) << 7;
3458 num
= 31 - (num
& 0x1f);
3459 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3461 /* Handle a 5 bit bit position at 26. */
3463 num
= pa_get_absolute_expression (&the_insn
, &s
);
3464 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3467 CHECK_FIELD (num
, 31, 0, strict
);
3468 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3470 /* Handle a 6 bit bit position at 20,22:26. */
3472 num
= pa_get_absolute_expression (&the_insn
, &s
);
3473 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3476 CHECK_FIELD (num
, 63, 0, strict
);
3477 opcode
|= (num
& 0x20) << 6;
3478 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3480 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3481 of the high bit of the immediate. */
3483 num
= pa_get_absolute_expression (&the_insn
, &s
);
3484 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3487 CHECK_FIELD (num
, 63, 0, strict
);
3491 opcode
|= (1 << 13);
3492 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3494 /* Handle a 5 bit immediate at 10. */
3496 num
= pa_get_absolute_expression (&the_insn
, &s
);
3497 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3500 CHECK_FIELD (num
, 31, 0, strict
);
3501 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3503 /* Handle a 9 bit immediate at 28. */
3505 num
= pa_get_absolute_expression (&the_insn
, &s
);
3506 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3509 CHECK_FIELD (num
, 511, 1, strict
);
3510 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3512 /* Handle a 13 bit immediate at 18. */
3514 num
= pa_get_absolute_expression (&the_insn
, &s
);
3515 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3518 CHECK_FIELD (num
, 8191, 0, strict
);
3519 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3521 /* Handle a 26 bit immediate at 31. */
3523 num
= pa_get_absolute_expression (&the_insn
, &s
);
3524 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3527 CHECK_FIELD (num
, 67108863, 0, strict
);
3528 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3530 /* Handle a 3 bit SFU identifier at 25. */
3533 as_bad (_("Invalid SFU identifier"));
3534 num
= pa_get_absolute_expression (&the_insn
, &s
);
3535 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3538 CHECK_FIELD (num
, 7, 0, strict
);
3539 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3541 /* Handle a 20 bit SOP field for spop0. */
3543 num
= pa_get_absolute_expression (&the_insn
, &s
);
3544 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3547 CHECK_FIELD (num
, 1048575, 0, strict
);
3548 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3549 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3551 /* Handle a 15bit SOP field for spop1. */
3553 num
= pa_get_absolute_expression (&the_insn
, &s
);
3554 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3557 CHECK_FIELD (num
, 32767, 0, strict
);
3558 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3560 /* Handle a 10bit SOP field for spop3. */
3562 num
= pa_get_absolute_expression (&the_insn
, &s
);
3563 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3566 CHECK_FIELD (num
, 1023, 0, strict
);
3567 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3568 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3570 /* Handle a 15 bit SOP field for spop2. */
3572 num
= pa_get_absolute_expression (&the_insn
, &s
);
3573 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3576 CHECK_FIELD (num
, 32767, 0, strict
);
3577 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3578 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3580 /* Handle a 3-bit co-processor ID field. */
3583 as_bad (_("Invalid COPR identifier"));
3584 num
= pa_get_absolute_expression (&the_insn
, &s
);
3585 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3588 CHECK_FIELD (num
, 7, 0, strict
);
3589 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3591 /* Handle a 22bit SOP field for copr. */
3593 num
= pa_get_absolute_expression (&the_insn
, &s
);
3594 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3597 CHECK_FIELD (num
, 4194303, 0, strict
);
3598 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3599 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3601 /* Handle a source FP operand format completer. */
3603 if (*s
== ',' && *(s
+1) == 't')
3610 flag
= pa_parse_fp_cnv_format (&s
);
3611 the_insn
.fpof1
= flag
;
3612 if (flag
== W
|| flag
== UW
)
3614 if (flag
== DW
|| flag
== UDW
)
3616 if (flag
== QW
|| flag
== UQW
)
3618 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3620 /* Handle a destination FP operand format completer. */
3622 /* pa_parse_format needs the ',' prefix. */
3624 flag
= pa_parse_fp_cnv_format (&s
);
3625 the_insn
.fpof2
= flag
;
3626 if (flag
== W
|| flag
== UW
)
3628 if (flag
== DW
|| flag
== UDW
)
3630 if (flag
== QW
|| flag
== UQW
)
3632 opcode
|= flag
<< 13;
3633 if (the_insn
.fpof1
== SGL
3634 || the_insn
.fpof1
== DBL
3635 || the_insn
.fpof1
== QUAD
)
3637 if (the_insn
.fpof2
== SGL
3638 || the_insn
.fpof2
== DBL
3639 || the_insn
.fpof2
== QUAD
)
3641 else if (the_insn
.fpof2
== W
3642 || the_insn
.fpof2
== DW
3643 || the_insn
.fpof2
== QW
)
3645 else if (the_insn
.fpof2
== UW
3646 || the_insn
.fpof2
== UDW
3647 || the_insn
.fpof2
== UQW
)
3652 else if (the_insn
.fpof1
== W
3653 || the_insn
.fpof1
== DW
3654 || the_insn
.fpof1
== QW
)
3656 if (the_insn
.fpof2
== SGL
3657 || the_insn
.fpof2
== DBL
3658 || the_insn
.fpof2
== QUAD
)
3663 else if (the_insn
.fpof1
== UW
3664 || the_insn
.fpof1
== UDW
3665 || the_insn
.fpof1
== UQW
)
3667 if (the_insn
.fpof2
== SGL
3668 || the_insn
.fpof2
== DBL
3669 || the_insn
.fpof2
== QUAD
)
3674 flag
|= the_insn
.trunc
;
3675 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3677 /* Handle a source FP operand format completer. */
3679 flag
= pa_parse_fp_format (&s
);
3680 the_insn
.fpof1
= flag
;
3681 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3683 /* Handle a destination FP operand format completer. */
3685 /* pa_parse_format needs the ',' prefix. */
3687 flag
= pa_parse_fp_format (&s
);
3688 the_insn
.fpof2
= flag
;
3689 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3691 /* Handle a source FP operand format completer at 20. */
3693 flag
= pa_parse_fp_format (&s
);
3694 the_insn
.fpof1
= flag
;
3695 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3697 /* Handle a floating point operand format at 26.
3698 Only allows single and double precision. */
3700 flag
= pa_parse_fp_format (&s
);
3706 the_insn
.fpof1
= flag
;
3712 as_bad (_("Invalid Floating Point Operand Format."));
3716 /* Handle all floating point registers. */
3720 /* Float target register. */
3722 if (!pa_parse_number (&s
, 3))
3724 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3725 CHECK_FIELD (num
, 31, 0, 0);
3726 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3728 /* Float target register with L/R selection. */
3731 if (!pa_parse_number (&s
, 1))
3733 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3734 CHECK_FIELD (num
, 31, 0, 0);
3737 /* 0x30 opcodes are FP arithmetic operation opcodes
3738 and need to be turned into 0x38 opcodes. This
3739 is not necessary for loads/stores. */
3740 if (need_pa11_opcode ()
3741 && ((opcode
& 0xfc000000) == 0x30000000))
3744 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3748 /* Float operand 1. */
3751 if (!pa_parse_number (&s
, 1))
3753 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3754 CHECK_FIELD (num
, 31, 0, 0);
3755 opcode
|= num
<< 21;
3756 if (need_pa11_opcode ())
3758 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3764 /* Float operand 1 with L/R selection. */
3768 if (!pa_parse_number (&s
, 1))
3770 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3771 CHECK_FIELD (num
, 31, 0, 0);
3772 opcode
|= num
<< 21;
3773 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3777 /* Float operand 2. */
3780 if (!pa_parse_number (&s
, 1))
3782 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3783 CHECK_FIELD (num
, 31, 0, 0);
3784 opcode
|= num
<< 16;
3785 if (need_pa11_opcode ())
3787 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3793 /* Float operand 2 with L/R selection. */
3796 if (!pa_parse_number (&s
, 1))
3798 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3799 CHECK_FIELD (num
, 31, 0, 0);
3800 opcode
|= num
<< 16;
3801 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3805 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3808 if (!pa_parse_number (&s
, 1))
3810 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3811 CHECK_FIELD (num
, 31, 0, 0);
3812 opcode
|= (num
& 0x1c) << 11;
3813 opcode
|= (num
& 0x03) << 9;
3814 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3818 /* Float mult operand 1 for fmpyadd, fmpysub */
3821 if (!pa_parse_number (&s
, 1))
3823 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3824 CHECK_FIELD (num
, 31, 0, 0);
3825 if (the_insn
.fpof1
== SGL
)
3829 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3833 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3835 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3838 /* Float mult operand 2 for fmpyadd, fmpysub */
3841 if (!pa_parse_number (&s
, 1))
3843 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3844 CHECK_FIELD (num
, 31, 0, 0);
3845 if (the_insn
.fpof1
== SGL
)
3849 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3853 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3855 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3858 /* Float mult target for fmpyadd, fmpysub */
3861 if (!pa_parse_number (&s
, 1))
3863 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3864 CHECK_FIELD (num
, 31, 0, 0);
3865 if (the_insn
.fpof1
== SGL
)
3869 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3873 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3875 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3878 /* Float add operand 1 for fmpyadd, fmpysub */
3881 if (!pa_parse_number (&s
, 1))
3883 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3884 CHECK_FIELD (num
, 31, 0, 0);
3885 if (the_insn
.fpof1
== SGL
)
3889 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3893 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3895 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3898 /* Float add target for fmpyadd, fmpysub */
3901 if (!pa_parse_number (&s
, 1))
3903 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3904 CHECK_FIELD (num
, 31, 0, 0);
3905 if (the_insn
.fpof1
== SGL
)
3909 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3913 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3915 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3918 /* Handle L/R register halves like 'x'. */
3922 if (!pa_parse_number (&s
, 1))
3924 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3925 CHECK_FIELD (num
, 31, 0, 0);
3926 opcode
|= num
<< 16;
3927 if (need_pa11_opcode ())
3929 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3934 /* Float target register (PA 2.0 wide). */
3936 if (!pa_parse_number (&s
, 3))
3938 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3939 CHECK_FIELD (num
, 31, 0, 0);
3940 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3954 /* Check if the args matched. */
3957 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3958 && !strcmp (insn
->name
, insn
[1].name
))
3966 as_bad (_("Invalid operands %s"), error_message
);
3973 the_insn
.opcode
= opcode
;
3976 /* Turn a string in input_line_pointer into a floating point constant of type
3977 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3978 emitted is stored in *sizeP . An error message or NULL is returned. */
3980 #define MAX_LITTLENUMS 6
3983 md_atof (type
, litP
, sizeP
)
3989 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3990 LITTLENUM_TYPE
*wordP
;
4022 return _("Bad call to MD_ATOF()");
4024 t
= atof_ieee (input_line_pointer
, type
, words
);
4026 input_line_pointer
= t
;
4027 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4028 for (wordP
= words
; prec
--;)
4030 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4031 litP
+= sizeof (LITTLENUM_TYPE
);
4036 /* Write out big-endian. */
4039 md_number_to_chars (buf
, val
, n
)
4044 number_to_chars_bigendian (buf
, val
, n
);
4047 /* Translate internal representation of relocation info to BFD target
4051 tc_gen_reloc (section
, fixp
)
4056 struct hppa_fix_struct
*hppa_fixp
;
4057 static arelent
*no_relocs
= NULL
;
4064 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4065 if (fixp
->fx_addsy
== 0)
4068 assert (hppa_fixp
!= 0);
4069 assert (section
!= 0);
4071 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4073 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4074 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4075 codes
= hppa_gen_reloc_type (stdoutput
,
4077 hppa_fixp
->fx_r_format
,
4078 hppa_fixp
->fx_r_field
,
4079 fixp
->fx_subsy
!= NULL
,
4080 symbol_get_bfdsym (fixp
->fx_addsy
));
4084 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4088 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4091 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4092 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4093 for (i
= 0; i
< n_relocs
; i
++)
4094 relocs
[i
] = &reloc
[i
];
4096 relocs
[n_relocs
] = NULL
;
4099 switch (fixp
->fx_r_type
)
4102 assert (n_relocs
== 1);
4106 /* Now, do any processing that is dependent on the relocation type. */
4109 case R_PARISC_DLTREL21L
:
4110 case R_PARISC_DLTREL14R
:
4111 case R_PARISC_DLTREL14F
:
4112 case R_PARISC_PLABEL32
:
4113 case R_PARISC_PLABEL21L
:
4114 case R_PARISC_PLABEL14R
:
4115 /* For plabel relocations, the addend of the
4116 relocation should be either 0 (no static link) or 2
4117 (static link required). This adjustment is done in
4118 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4120 We also slam a zero addend into the DLT relative relocs;
4121 it doesn't make a lot of sense to use any addend since
4122 it gets you a different (eg unknown) DLT entry. */
4126 #ifdef ELF_ARG_RELOC
4127 case R_PARISC_PCREL17R
:
4128 case R_PARISC_PCREL17F
:
4129 case R_PARISC_PCREL17C
:
4130 case R_PARISC_DIR17R
:
4131 case R_PARISC_DIR17F
:
4132 case R_PARISC_PCREL21L
:
4133 case R_PARISC_DIR21L
:
4134 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4139 case R_PARISC_DIR32
:
4140 /* Facilitate hand-crafted unwind info. */
4141 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4142 code
= R_PARISC_SEGREL32
;
4146 reloc
->addend
= fixp
->fx_offset
;
4150 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4151 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4152 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4153 (bfd_reloc_code_real_type
) code
);
4154 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4156 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4161 /* Walk over reach relocation returned by the BFD backend. */
4162 for (i
= 0; i
< n_relocs
; i
++)
4166 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4167 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4169 bfd_reloc_type_lookup (stdoutput
,
4170 (bfd_reloc_code_real_type
) code
);
4171 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4176 /* The only time we ever use a R_COMP2 fixup is for the difference
4177 of two symbols. With that in mind we fill in all four
4178 relocs now and break out of the loop. */
4180 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4182 bfd_reloc_type_lookup (stdoutput
,
4183 (bfd_reloc_code_real_type
) *codes
[0]);
4184 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4185 relocs
[0]->addend
= 0;
4186 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4187 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4189 bfd_reloc_type_lookup (stdoutput
,
4190 (bfd_reloc_code_real_type
) *codes
[1]);
4191 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4192 relocs
[1]->addend
= 0;
4193 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4194 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4196 bfd_reloc_type_lookup (stdoutput
,
4197 (bfd_reloc_code_real_type
) *codes
[2]);
4198 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4199 relocs
[2]->addend
= 0;
4200 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4202 bfd_reloc_type_lookup (stdoutput
,
4203 (bfd_reloc_code_real_type
) *codes
[3]);
4204 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4205 relocs
[3]->addend
= 0;
4206 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4208 bfd_reloc_type_lookup (stdoutput
,
4209 (bfd_reloc_code_real_type
) *codes
[4]);
4210 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4211 relocs
[4]->addend
= 0;
4215 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4221 /* For plabel relocations, the addend of the
4222 relocation should be either 0 (no static link) or 2
4223 (static link required).
4225 FIXME: We always assume no static link!
4227 We also slam a zero addend into the DLT relative relocs;
4228 it doesn't make a lot of sense to use any addend since
4229 it gets you a different (eg unknown) DLT entry. */
4230 relocs
[i
]->addend
= 0;
4245 /* There is no symbol or addend associated with these fixups. */
4246 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4247 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4248 relocs
[i
]->addend
= 0;
4254 /* There is no symbol associated with these fixups. */
4255 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4256 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4257 relocs
[i
]->addend
= fixp
->fx_offset
;
4261 relocs
[i
]->addend
= fixp
->fx_offset
;
4271 /* Process any machine dependent frag types. */
4274 md_convert_frag (abfd
, sec
, fragP
)
4275 register bfd
*abfd ATTRIBUTE_UNUSED
;
4276 register asection
*sec ATTRIBUTE_UNUSED
;
4277 register fragS
*fragP
;
4279 unsigned int address
;
4281 if (fragP
->fr_type
== rs_machine_dependent
)
4283 switch ((int) fragP
->fr_subtype
)
4286 fragP
->fr_type
= rs_fill
;
4287 know (fragP
->fr_var
== 1);
4288 know (fragP
->fr_next
);
4289 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4290 if (address
% fragP
->fr_offset
)
4293 fragP
->fr_next
->fr_address
4298 fragP
->fr_offset
= 0;
4304 /* Round up a section size to the appropriate boundary. */
4307 md_section_align (segment
, size
)
4311 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4312 int align2
= (1 << align
) - 1;
4314 return (size
+ align2
) & ~align2
;
4317 /* Return the approximate size of a frag before relaxation has occurred. */
4319 md_estimate_size_before_relax (fragP
, segment
)
4320 register fragS
*fragP
;
4321 asection
*segment ATTRIBUTE_UNUSED
;
4327 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4334 # ifdef WARN_COMMENTS
4335 const char *md_shortopts
= "Vc";
4337 const char *md_shortopts
= "V";
4340 # ifdef WARN_COMMENTS
4341 const char *md_shortopts
= "c";
4343 const char *md_shortopts
= "";
4347 struct option md_longopts
[] = {
4348 #ifdef WARN_COMMENTS
4349 {"warn-comment", no_argument
, NULL
, 'c'},
4351 {NULL
, no_argument
, NULL
, 0}
4353 size_t md_longopts_size
= sizeof (md_longopts
);
4356 md_parse_option (c
, arg
)
4357 int c ATTRIBUTE_UNUSED
;
4358 char *arg ATTRIBUTE_UNUSED
;
4367 print_version_id ();
4370 #ifdef WARN_COMMENTS
4381 md_show_usage (stream
)
4382 FILE *stream ATTRIBUTE_UNUSED
;
4385 fprintf (stream
, _("\
4388 #ifdef WARN_COMMENTS
4389 fprintf (stream
, _("\
4390 -c print a warning if a comment is found\n"));
4394 /* We have no need to default values of symbols. */
4397 md_undefined_symbol (name
)
4398 char *name ATTRIBUTE_UNUSED
;
4403 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4404 #define nonzero_dibits(x) \
4405 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4406 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4407 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4409 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4412 /* Apply a fixup to an instruction. */
4415 md_apply_fix3 (fixP
, valP
, seg
)
4418 segT seg ATTRIBUTE_UNUSED
;
4421 struct hppa_fix_struct
*hppa_fixP
;
4425 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4426 never be "applied" (they are just markers). Likewise for
4427 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4429 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4430 || fixP
->fx_r_type
== R_HPPA_EXIT
4431 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4432 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4433 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4436 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4437 fixups are considered not adjustable, which in turn causes
4438 adjust_reloc_syms to not set fx_offset. Ugh. */
4439 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4441 fixP
->fx_offset
= * valP
;
4446 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4447 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4451 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
4454 /* There should have been an HPPA specific fixup associated
4455 with the GAS fixup. */
4456 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4457 if (hppa_fixP
== NULL
)
4459 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4460 _("no hppa_fixup entry for fixup type 0x%x"),
4465 buf
= (unsigned char *) (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
);
4466 insn
= bfd_get_32 (stdoutput
, buf
);
4467 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4469 /* If there is a symbol associated with this fixup, then it's something
4470 which will need a SOM relocation (except for some PC-relative relocs).
4471 In such cases we should treat the "val" or "addend" as zero since it
4472 will be added in as needed from fx_offset in tc_gen_reloc. */
4473 if ((fixP
->fx_addsy
!= NULL
4474 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4479 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4481 /* These field selectors imply that we do not want an addend. */
4482 else if (hppa_fixP
->fx_r_field
== e_psel
4483 || hppa_fixP
->fx_r_field
== e_rpsel
4484 || hppa_fixP
->fx_r_field
== e_lpsel
4485 || hppa_fixP
->fx_r_field
== e_tsel
4486 || hppa_fixP
->fx_r_field
== e_rtsel
4487 || hppa_fixP
->fx_r_field
== e_ltsel
)
4488 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4491 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4493 /* Handle pc-relative exceptions from above. */
4494 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4497 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4498 hppa_fixP
->fx_arg_reloc
)
4500 && (* valP
- 8 + 8192 < 16384
4501 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
4502 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4505 && (* valP
- 8 + 262144 < 524288
4506 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4508 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4509 && !S_IS_WEAK (fixP
->fx_addsy
)
4510 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4512 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4514 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4520 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4521 fixP
->fx_file
, fixP
->fx_line
);
4524 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4525 | ((val
& 0x2000) >> 13));
4528 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4529 fixP
->fx_file
, fixP
->fx_line
);
4532 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4533 | ((val
& 0x2000) >> 13));
4535 /* Handle all opcodes with the 'j' operand type. */
4537 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4538 fixP
->fx_file
, fixP
->fx_line
);
4541 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4544 /* Handle all opcodes with the 'k' operand type. */
4546 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4547 fixP
->fx_file
, fixP
->fx_line
);
4550 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4553 /* Handle all the opcodes with the 'i' operand type. */
4555 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4556 fixP
->fx_file
, fixP
->fx_line
);
4559 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4562 /* Handle all the opcodes with the 'w' operand type. */
4564 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4565 fixP
->fx_file
, fixP
->fx_line
);
4568 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4571 /* Handle some of the opcodes with the 'W' operand type. */
4574 offsetT distance
= * valP
;
4576 /* If this is an absolute branch (ie no link) with an out of
4577 range target, then we want to complain. */
4578 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4579 && (insn
& 0xffe00000) == 0xe8000000)
4580 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4581 fixP
->fx_file
, fixP
->fx_line
);
4583 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4584 fixP
->fx_file
, fixP
->fx_line
);
4587 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4593 offsetT distance
= * valP
;
4595 /* If this is an absolute branch (ie no link) with an out of
4596 range target, then we want to complain. */
4597 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4598 && (insn
& 0xffe00000) == 0xe8000000)
4599 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4600 fixP
->fx_file
, fixP
->fx_line
);
4602 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4603 fixP
->fx_file
, fixP
->fx_line
);
4606 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4612 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4617 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4622 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4630 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4631 _("Unknown relocation encountered in md_apply_fix."));
4635 /* Insert the relocation. */
4636 bfd_put_32 (stdoutput
, insn
, buf
);
4639 /* Exactly what point is a PC-relative offset relative TO?
4640 On the PA, they're relative to the address of the offset. */
4643 md_pcrel_from (fixP
)
4646 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4649 /* Return nonzero if the input line pointer is at the end of
4653 is_end_of_statement ()
4655 return ((*input_line_pointer
== '\n')
4656 || (*input_line_pointer
== ';')
4657 || (*input_line_pointer
== '!'));
4660 /* Read a number from S. The number might come in one of many forms,
4661 the most common will be a hex or decimal constant, but it could be
4662 a pre-defined register (Yuk!), or an absolute symbol.
4664 Return 1 on success or 0 on failure. If STRICT, then a missing
4665 register prefix will cause a failure. The number itself is
4666 returned in `pa_number'.
4668 IS_FLOAT indicates that a PA-89 FP register number should be
4669 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4672 pa_parse_number can not handle negative constants and will fail
4673 horribly if it is passed such a constant. */
4676 pa_parse_number (s
, is_float
)
4686 bfd_boolean have_prefix
;
4688 /* Skip whitespace before the number. */
4689 while (*p
== ' ' || *p
== '\t')
4695 if (!strict
&& ISDIGIT (*p
))
4697 /* Looks like a number. */
4699 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4701 /* The number is specified in hex. */
4703 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4704 || ((*p
>= 'A') && (*p
<= 'F')))
4707 num
= num
* 16 + *p
- '0';
4708 else if (*p
>= 'a' && *p
<= 'f')
4709 num
= num
* 16 + *p
- 'a' + 10;
4711 num
= num
* 16 + *p
- 'A' + 10;
4717 /* The number is specified in decimal. */
4718 while (ISDIGIT (*p
))
4720 num
= num
* 10 + *p
- '0';
4727 /* Check for a `l' or `r' suffix. */
4730 pa_number
+= FP_REG_BASE
;
4731 if (! (is_float
& 2))
4733 if (IS_R_SELECT (p
))
4735 pa_number
+= FP_REG_RSEL
;
4738 else if (IS_L_SELECT (p
))
4747 /* The number might be a predefined register. */
4752 /* Tege hack: Special case for general registers as the general
4753 code makes a binary search with case translation, and is VERY
4758 if (*p
== 'e' && *(p
+ 1) == 't'
4759 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4762 num
= *p
- '0' + 28;
4770 else if (!ISDIGIT (*p
))
4773 as_bad (_("Undefined register: '%s'."), name
);
4779 num
= num
* 10 + *p
++ - '0';
4780 while (ISDIGIT (*p
));
4785 /* Do a normal register search. */
4786 while (is_part_of_name (c
))
4792 status
= reg_name_search (name
);
4798 as_bad (_("Undefined register: '%s'."), name
);
4808 /* And finally, it could be a symbol in the absolute section which
4809 is effectively a constant, or a register alias symbol. */
4812 while (is_part_of_name (c
))
4818 if ((sym
= symbol_find (name
)) != NULL
)
4820 if (S_GET_SEGMENT (sym
) == reg_section
)
4822 num
= S_GET_VALUE (sym
);
4823 /* Well, we don't really have one, but we do have a
4827 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4828 num
= S_GET_VALUE (sym
);
4832 as_bad (_("Non-absolute symbol: '%s'."), name
);
4838 /* There is where we'd come for an undefined symbol
4839 or for an empty string. For an empty string we
4840 will return zero. That's a concession made for
4841 compatability with the braindamaged HP assemblers. */
4847 as_bad (_("Undefined absolute constant: '%s'."), name
);
4856 if (!strict
|| have_prefix
)
4864 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4866 /* Given NAME, find the register number associated with that name, return
4867 the integer value associated with the given name or -1 on failure. */
4870 reg_name_search (name
)
4873 int middle
, low
, high
;
4877 high
= REG_NAME_CNT
- 1;
4881 middle
= (low
+ high
) / 2;
4882 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4888 return pre_defined_registers
[middle
].value
;
4890 while (low
<= high
);
4895 /* Return nonzero if the given INSN and L/R information will require
4896 a new PA-1.1 opcode. */
4901 if ((pa_number
& FP_REG_RSEL
) != 0
4902 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4904 /* If this instruction is specific to a particular architecture,
4905 then set a new architecture. */
4906 if (bfd_get_mach (stdoutput
) < pa11
)
4908 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4909 as_warn (_("could not update architecture and machine"));
4917 /* Parse a condition for a fcmp instruction. Return the numerical
4918 code associated with the condition. */
4921 pa_parse_fp_cmp_cond (s
)
4928 for (i
= 0; i
< 32; i
++)
4930 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4931 strlen (fp_cond_map
[i
].string
)) == 0)
4933 cond
= fp_cond_map
[i
].cond
;
4934 *s
+= strlen (fp_cond_map
[i
].string
);
4935 /* If not a complete match, back up the input string and
4937 if (**s
!= ' ' && **s
!= '\t')
4939 *s
-= strlen (fp_cond_map
[i
].string
);
4942 while (**s
== ' ' || **s
== '\t')
4948 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4950 /* Advance over the bogus completer. */
4951 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4957 /* Parse a graphics test complete for ftest. */
4960 pa_parse_ftest_gfx_completer (s
)
4966 if (strncasecmp (*s
, "acc8", 4) == 0)
4971 else if (strncasecmp (*s
, "acc6", 4) == 0)
4976 else if (strncasecmp (*s
, "acc4", 4) == 0)
4981 else if (strncasecmp (*s
, "acc2", 4) == 0)
4986 else if (strncasecmp (*s
, "acc", 3) == 0)
4991 else if (strncasecmp (*s
, "rej8", 4) == 0)
4996 else if (strncasecmp (*s
, "rej", 3) == 0)
5004 as_bad (_("Invalid FTEST completer: %s"), *s
);
5010 /* Parse an FP operand format completer returning the completer
5013 static fp_operand_format
5014 pa_parse_fp_cnv_format (s
)
5023 if (strncasecmp (*s
, "sgl", 3) == 0)
5028 else if (strncasecmp (*s
, "dbl", 3) == 0)
5033 else if (strncasecmp (*s
, "quad", 4) == 0)
5038 else if (strncasecmp (*s
, "w", 1) == 0)
5043 else if (strncasecmp (*s
, "uw", 2) == 0)
5048 else if (strncasecmp (*s
, "dw", 2) == 0)
5053 else if (strncasecmp (*s
, "udw", 3) == 0)
5058 else if (strncasecmp (*s
, "qw", 2) == 0)
5063 else if (strncasecmp (*s
, "uqw", 3) == 0)
5070 format
= ILLEGAL_FMT
;
5071 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5078 /* Parse an FP operand format completer returning the completer
5081 static fp_operand_format
5082 pa_parse_fp_format (s
)
5091 if (strncasecmp (*s
, "sgl", 3) == 0)
5096 else if (strncasecmp (*s
, "dbl", 3) == 0)
5101 else if (strncasecmp (*s
, "quad", 4) == 0)
5108 format
= ILLEGAL_FMT
;
5109 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5116 /* Convert from a selector string into a selector type. */
5119 pa_chk_field_selector (str
)
5122 int middle
, low
, high
;
5126 /* Read past any whitespace. */
5127 /* FIXME: should we read past newlines and formfeeds??? */
5128 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5131 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5132 name
[0] = TOLOWER ((*str
)[0]),
5134 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5135 name
[0] = TOLOWER ((*str
)[0]),
5136 name
[1] = TOLOWER ((*str
)[1]),
5138 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5139 name
[0] = TOLOWER ((*str
)[0]),
5140 name
[1] = TOLOWER ((*str
)[1]),
5141 name
[2] = TOLOWER ((*str
)[2]),
5147 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5151 middle
= (low
+ high
) / 2;
5152 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5159 *str
+= strlen (name
) + 1;
5161 if (selector_table
[middle
].field_selector
== e_nsel
)
5164 return selector_table
[middle
].field_selector
;
5167 while (low
<= high
);
5172 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5175 get_expression (str
)
5181 save_in
= input_line_pointer
;
5182 input_line_pointer
= str
;
5183 seg
= expression (&the_insn
.exp
);
5184 if (!(seg
== absolute_section
5185 || seg
== undefined_section
5186 || SEG_NORMAL (seg
)))
5188 as_warn (_("Bad segment in expression."));
5189 expr_end
= input_line_pointer
;
5190 input_line_pointer
= save_in
;
5193 expr_end
= input_line_pointer
;
5194 input_line_pointer
= save_in
;
5198 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5200 pa_get_absolute_expression (insn
, strp
)
5206 insn
->field_selector
= pa_chk_field_selector (strp
);
5207 save_in
= input_line_pointer
;
5208 input_line_pointer
= *strp
;
5209 expression (&insn
->exp
);
5210 /* This is not perfect, but is a huge improvement over doing nothing.
5212 The PA assembly syntax is ambigious in a variety of ways. Consider
5213 this string "4 %r5" Is that the number 4 followed by the register
5214 r5, or is that 4 MOD r5?
5216 If we get a modulo expresion When looking for an absolute, we try
5217 again cutting off the input string at the first whitespace character. */
5218 if (insn
->exp
.X_op
== O_modulus
)
5223 input_line_pointer
= *strp
;
5225 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5231 retval
= pa_get_absolute_expression (insn
, strp
);
5233 input_line_pointer
= save_in
;
5235 return evaluate_absolute (insn
);
5237 /* When in strict mode we have a non-match, fix up the pointers
5238 and return to our caller. */
5239 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5241 expr_end
= input_line_pointer
;
5242 input_line_pointer
= save_in
;
5245 if (insn
->exp
.X_op
!= O_constant
)
5247 as_bad (_("Bad segment (should be absolute)."));
5248 expr_end
= input_line_pointer
;
5249 input_line_pointer
= save_in
;
5252 expr_end
= input_line_pointer
;
5253 input_line_pointer
= save_in
;
5254 return evaluate_absolute (insn
);
5257 /* Evaluate an absolute expression EXP which may be modified by
5258 the selector FIELD_SELECTOR. Return the value of the expression. */
5260 evaluate_absolute (insn
)
5265 int field_selector
= insn
->field_selector
;
5268 value
= exp
.X_add_number
;
5270 return hppa_field_adjust (0, value
, field_selector
);
5273 /* Given an argument location specification return the associated
5274 argument location number. */
5277 pa_build_arg_reloc (type_name
)
5281 if (strncasecmp (type_name
, "no", 2) == 0)
5283 if (strncasecmp (type_name
, "gr", 2) == 0)
5285 else if (strncasecmp (type_name
, "fr", 2) == 0)
5287 else if (strncasecmp (type_name
, "fu", 2) == 0)
5290 as_bad (_("Invalid argument location: %s\n"), type_name
);
5295 /* Encode and return an argument relocation specification for
5296 the given register in the location specified by arg_reloc. */
5299 pa_align_arg_reloc (reg
, arg_reloc
)
5301 unsigned int arg_reloc
;
5303 unsigned int new_reloc
;
5305 new_reloc
= arg_reloc
;
5321 as_bad (_("Invalid argument description: %d"), reg
);
5327 /* Parse a PA nullification completer (,n). Return nonzero if the
5328 completer was found; return zero if no completer was found. */
5340 if (strncasecmp (*s
, "n", 1) == 0)
5344 as_bad (_("Invalid Nullification: (%c)"), **s
);
5353 /* Parse a non-negated compare/subtract completer returning the
5354 number (for encoding in instrutions) of the given completer. */
5357 pa_parse_nonneg_cmpsub_cmpltr (s
)
5361 char *name
= *s
+ 1;
5370 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5375 if (strcmp (name
, "=") == 0)
5379 else if (strcmp (name
, "<") == 0)
5383 else if (strcmp (name
, "<=") == 0)
5387 else if (strcmp (name
, "<<") == 0)
5391 else if (strcmp (name
, "<<=") == 0)
5395 else if (strcasecmp (name
, "sv") == 0)
5399 else if (strcasecmp (name
, "od") == 0)
5403 /* If we have something like addb,n then there is no condition
5405 else if (strcasecmp (name
, "n") == 0)
5417 /* Reset pointers if this was really a ,n for a branch instruction. */
5424 /* Parse a negated compare/subtract completer returning the
5425 number (for encoding in instrutions) of the given completer. */
5428 pa_parse_neg_cmpsub_cmpltr (s
)
5432 char *name
= *s
+ 1;
5441 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5446 if (strcasecmp (name
, "tr") == 0)
5450 else if (strcmp (name
, "<>") == 0)
5454 else if (strcmp (name
, ">=") == 0)
5458 else if (strcmp (name
, ">") == 0)
5462 else if (strcmp (name
, ">>=") == 0)
5466 else if (strcmp (name
, ">>") == 0)
5470 else if (strcasecmp (name
, "nsv") == 0)
5474 else if (strcasecmp (name
, "ev") == 0)
5478 /* If we have something like addb,n then there is no condition
5480 else if (strcasecmp (name
, "n") == 0)
5492 /* Reset pointers if this was really a ,n for a branch instruction. */
5499 /* Parse a 64 bit compare and branch completer returning the number (for
5500 encoding in instrutions) of the given completer.
5502 Nonnegated comparisons are returned as 0-7, negated comparisons are
5503 returned as 8-15. */
5506 pa_parse_cmpb_64_cmpltr (s
)
5510 char *name
= *s
+ 1;
5517 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5522 if (strcmp (name
, "*") == 0)
5526 else if (strcmp (name
, "*=") == 0)
5530 else if (strcmp (name
, "*<") == 0)
5534 else if (strcmp (name
, "*<=") == 0)
5538 else if (strcmp (name
, "*<<") == 0)
5542 else if (strcmp (name
, "*<<=") == 0)
5546 else if (strcasecmp (name
, "*sv") == 0)
5550 else if (strcasecmp (name
, "*od") == 0)
5554 else if (strcasecmp (name
, "*tr") == 0)
5558 else if (strcmp (name
, "*<>") == 0)
5562 else if (strcmp (name
, "*>=") == 0)
5566 else if (strcmp (name
, "*>") == 0)
5570 else if (strcmp (name
, "*>>=") == 0)
5574 else if (strcmp (name
, "*>>") == 0)
5578 else if (strcasecmp (name
, "*nsv") == 0)
5582 else if (strcasecmp (name
, "*ev") == 0)
5596 /* Parse a 64 bit compare immediate and branch completer returning the number
5597 (for encoding in instrutions) of the given completer. */
5600 pa_parse_cmpib_64_cmpltr (s
)
5604 char *name
= *s
+ 1;
5611 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5616 if (strcmp (name
, "*<<") == 0)
5620 else if (strcmp (name
, "*=") == 0)
5624 else if (strcmp (name
, "*<") == 0)
5628 else if (strcmp (name
, "*<=") == 0)
5632 else if (strcmp (name
, "*>>=") == 0)
5636 else if (strcmp (name
, "*<>") == 0)
5640 else if (strcasecmp (name
, "*>=") == 0)
5644 else if (strcasecmp (name
, "*>") == 0)
5658 /* Parse a non-negated addition completer returning the number
5659 (for encoding in instrutions) of the given completer. */
5662 pa_parse_nonneg_add_cmpltr (s
)
5666 char *name
= *s
+ 1;
5675 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5679 if (strcmp (name
, "=") == 0)
5683 else if (strcmp (name
, "<") == 0)
5687 else if (strcmp (name
, "<=") == 0)
5691 else if (strcasecmp (name
, "nuv") == 0)
5695 else if (strcasecmp (name
, "znv") == 0)
5699 else if (strcasecmp (name
, "sv") == 0)
5703 else if (strcasecmp (name
, "od") == 0)
5707 /* If we have something like addb,n then there is no condition
5709 else if (strcasecmp (name
, "n") == 0)
5721 /* Reset pointers if this was really a ,n for a branch instruction. */
5728 /* Parse a negated addition completer returning the number
5729 (for encoding in instrutions) of the given completer. */
5732 pa_parse_neg_add_cmpltr (s
)
5736 char *name
= *s
+ 1;
5745 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5749 if (strcasecmp (name
, "tr") == 0)
5753 else if (strcmp (name
, "<>") == 0)
5757 else if (strcmp (name
, ">=") == 0)
5761 else if (strcmp (name
, ">") == 0)
5765 else if (strcasecmp (name
, "uv") == 0)
5769 else if (strcasecmp (name
, "vnz") == 0)
5773 else if (strcasecmp (name
, "nsv") == 0)
5777 else if (strcasecmp (name
, "ev") == 0)
5781 /* If we have something like addb,n then there is no condition
5783 else if (strcasecmp (name
, "n") == 0)
5795 /* Reset pointers if this was really a ,n for a branch instruction. */
5802 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5803 encoding in instrutions) of the given completer. */
5806 pa_parse_addb_64_cmpltr (s
)
5810 char *name
= *s
+ 1;
5819 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5823 if (strcmp (name
, "=") == 0)
5827 else if (strcmp (name
, "<") == 0)
5831 else if (strcmp (name
, "<=") == 0)
5835 else if (strcasecmp (name
, "nuv") == 0)
5839 else if (strcasecmp (name
, "*=") == 0)
5843 else if (strcasecmp (name
, "*<") == 0)
5847 else if (strcasecmp (name
, "*<=") == 0)
5851 else if (strcmp (name
, "tr") == 0)
5855 else if (strcmp (name
, "<>") == 0)
5859 else if (strcmp (name
, ">=") == 0)
5863 else if (strcmp (name
, ">") == 0)
5867 else if (strcasecmp (name
, "uv") == 0)
5871 else if (strcasecmp (name
, "*<>") == 0)
5875 else if (strcasecmp (name
, "*>=") == 0)
5879 else if (strcasecmp (name
, "*>") == 0)
5883 /* If we have something like addb,n then there is no condition
5885 else if (strcasecmp (name
, "n") == 0)
5897 /* Reset pointers if this was really a ,n for a branch instruction. */
5905 /* Handle an alignment directive. Special so that we can update the
5906 alignment of the subspace if necessary. */
5911 /* We must have a valid space and subspace. */
5912 pa_check_current_space_and_subspace ();
5914 /* Let the generic gas code do most of the work. */
5915 s_align_bytes (bytes
);
5917 /* If bytes is a power of 2, then update the current subspace's
5918 alignment if necessary. */
5919 if (log2 (bytes
) != -1)
5920 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5924 /* Handle a .BLOCK type pseudo-op. */
5928 int z ATTRIBUTE_UNUSED
;
5932 unsigned int temp_size
;
5936 /* We must have a valid space and subspace. */
5937 pa_check_current_space_and_subspace ();
5940 temp_size
= get_absolute_expression ();
5942 /* Always fill with zeros, that's what the HP assembler does. */
5945 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5946 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5947 memset (p
, 0, temp_size
);
5949 /* Convert 2 bytes at a time. */
5951 for (i
= 0; i
< temp_size
; i
+= 2)
5953 md_number_to_chars (p
+ i
,
5955 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5958 pa_undefine_label ();
5959 demand_empty_rest_of_line ();
5962 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5966 int begin ATTRIBUTE_UNUSED
;
5970 /* The BRTAB relocations are only availble in SOM (to denote
5971 the beginning and end of branch tables). */
5972 char *where
= frag_more (0);
5974 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5975 NULL
, (offsetT
) 0, NULL
,
5976 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5980 demand_empty_rest_of_line ();
5983 /* Handle a .begin_try and .end_try pseudo-op. */
5987 int begin ATTRIBUTE_UNUSED
;
5991 char *where
= frag_more (0);
5996 /* The TRY relocations are only availble in SOM (to denote
5997 the beginning and end of exception handling regions). */
5999 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6000 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
6001 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
6005 demand_empty_rest_of_line ();
6008 /* Handle a .CALL pseudo-op. This involves storing away information
6009 about where arguments are to be found so the linker can detect
6010 (and correct) argument location mismatches between caller and callee. */
6014 int unused ATTRIBUTE_UNUSED
;
6017 /* We must have a valid space and subspace. */
6018 pa_check_current_space_and_subspace ();
6021 pa_call_args (&last_call_desc
);
6022 demand_empty_rest_of_line ();
6025 /* Do the dirty work of building a call descriptor which describes
6026 where the caller placed arguments to a function call. */
6029 pa_call_args (call_desc
)
6030 struct call_desc
*call_desc
;
6033 unsigned int temp
, arg_reloc
;
6035 while (!is_end_of_statement ())
6037 name
= input_line_pointer
;
6038 c
= get_symbol_end ();
6039 /* Process a source argument. */
6040 if ((strncasecmp (name
, "argw", 4) == 0))
6042 temp
= atoi (name
+ 4);
6043 p
= input_line_pointer
;
6045 input_line_pointer
++;
6046 name
= input_line_pointer
;
6047 c
= get_symbol_end ();
6048 arg_reloc
= pa_build_arg_reloc (name
);
6049 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6051 /* Process a return value. */
6052 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6054 p
= input_line_pointer
;
6056 input_line_pointer
++;
6057 name
= input_line_pointer
;
6058 c
= get_symbol_end ();
6059 arg_reloc
= pa_build_arg_reloc (name
);
6060 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6064 as_bad (_("Invalid .CALL argument: %s"), name
);
6066 p
= input_line_pointer
;
6068 if (!is_end_of_statement ())
6069 input_line_pointer
++;
6073 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6076 is_same_frag (frag1
, frag2
)
6083 else if (frag2
== NULL
)
6085 else if (frag1
== frag2
)
6087 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6088 return (is_same_frag (frag1
, frag2
->fr_next
));
6094 /* Build an entry in the UNWIND subspace from the given function
6095 attributes in CALL_INFO. This is not needed for SOM as using
6096 R_ENTRY and R_EXIT relocations allow the linker to handle building
6097 of the unwind spaces. */
6100 pa_build_unwind_subspace (call_info
)
6101 struct call_info
*call_info
;
6103 asection
*seg
, *save_seg
;
6104 subsegT save_subseg
;
6105 unsigned int unwind
;
6109 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6110 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6111 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6114 reloc
= R_PARISC_SEGREL32
;
6116 save_subseg
= now_subseg
;
6117 /* Get into the right seg/subseg. This may involve creating
6118 the seg the first time through. Make sure to have the
6119 old seg/subseg so that we can reset things when we are done. */
6120 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6121 if (seg
== ASEC_NULL
)
6123 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6124 bfd_set_section_flags (stdoutput
, seg
,
6125 SEC_READONLY
| SEC_HAS_CONTENTS
6126 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6127 bfd_set_section_alignment (stdoutput
, seg
, 2);
6130 subseg_set (seg
, 0);
6132 /* Get some space to hold relocation information for the unwind
6136 /* Relocation info. for start offset of the function. */
6137 md_number_to_chars (p
, 0, 4);
6138 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6139 call_info
->start_symbol
, (offsetT
) 0,
6140 (expressionS
*) NULL
, 0, reloc
,
6143 /* Relocation info. for end offset of the function.
6145 Because we allow reductions of 32bit relocations for ELF, this will be
6146 reduced to section_sym + offset which avoids putting the temporary
6147 symbol into the symbol table. It (should) end up giving the same
6148 value as call_info->start_symbol + function size once the linker is
6149 finished with its work. */
6150 md_number_to_chars (p
+ 4, 0, 4);
6151 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6152 call_info
->end_symbol
, (offsetT
) 0,
6153 (expressionS
*) NULL
, 0, reloc
,
6156 /* Dump the descriptor. */
6157 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6158 md_number_to_chars (p
+ 8, unwind
, 4);
6160 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6161 md_number_to_chars (p
+ 12, unwind
, 4);
6163 /* Return back to the original segment/subsegment. */
6164 subseg_set (save_seg
, save_subseg
);
6168 /* Process a .CALLINFO pseudo-op. This information is used later
6169 to build unwind descriptors and maybe one day to support
6170 .ENTER and .LEAVE. */
6173 pa_callinfo (unused
)
6174 int unused ATTRIBUTE_UNUSED
;
6180 /* We must have a valid space and subspace. */
6181 pa_check_current_space_and_subspace ();
6184 /* .CALLINFO must appear within a procedure definition. */
6185 if (!within_procedure
)
6186 as_bad (_(".callinfo is not within a procedure definition"));
6188 /* Mark the fact that we found the .CALLINFO for the
6189 current procedure. */
6190 callinfo_found
= TRUE
;
6192 /* Iterate over the .CALLINFO arguments. */
6193 while (!is_end_of_statement ())
6195 name
= input_line_pointer
;
6196 c
= get_symbol_end ();
6197 /* Frame size specification. */
6198 if ((strncasecmp (name
, "frame", 5) == 0))
6200 p
= input_line_pointer
;
6202 input_line_pointer
++;
6203 temp
= get_absolute_expression ();
6204 if ((temp
& 0x3) != 0)
6206 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6210 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6211 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6214 /* Entry register (GR, GR and SR) specifications. */
6215 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6217 p
= input_line_pointer
;
6219 input_line_pointer
++;
6220 temp
= get_absolute_expression ();
6221 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6222 even though %r19 is caller saved. I think this is a bug in
6223 the HP assembler, and we are not going to emulate it. */
6224 if (temp
< 3 || temp
> 18)
6225 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6226 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6228 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6230 p
= input_line_pointer
;
6232 input_line_pointer
++;
6233 temp
= get_absolute_expression ();
6234 /* Similarly the HP assembler takes 31 as the high bound even
6235 though %fr21 is the last callee saved floating point register. */
6236 if (temp
< 12 || temp
> 21)
6237 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6238 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6240 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6242 p
= input_line_pointer
;
6244 input_line_pointer
++;
6245 temp
= get_absolute_expression ();
6247 as_bad (_("Value for ENTRY_SR must be 3\n"));
6249 /* Note whether or not this function performs any calls. */
6250 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6251 (strncasecmp (name
, "caller", 6) == 0))
6253 p
= input_line_pointer
;
6256 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6258 p
= input_line_pointer
;
6261 /* Should RP be saved into the stack. */
6262 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6264 p
= input_line_pointer
;
6266 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6268 /* Likewise for SP. */
6269 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6271 p
= input_line_pointer
;
6273 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6275 /* Is this an unwindable procedure. If so mark it so
6276 in the unwind descriptor. */
6277 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6279 p
= input_line_pointer
;
6281 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6283 /* Is this an interrupt routine. If so mark it in the
6284 unwind descriptor. */
6285 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6287 p
= input_line_pointer
;
6289 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6291 /* Is this a millicode routine. "millicode" isn't in my
6292 assembler manual, but my copy is old. The HP assembler
6293 accepts it, and there's a place in the unwind descriptor
6294 to drop the information, so we'll accept it too. */
6295 else if ((strncasecmp (name
, "millicode", 9) == 0))
6297 p
= input_line_pointer
;
6299 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6303 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6304 *input_line_pointer
= c
;
6306 if (!is_end_of_statement ())
6307 input_line_pointer
++;
6310 demand_empty_rest_of_line ();
6313 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
6314 /* Switch to the text space. Like s_text, but delete our
6315 label when finished. */
6318 int unused ATTRIBUTE_UNUSED
;
6321 current_space
= is_defined_space ("$TEXT$");
6323 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6327 pa_undefine_label ();
6330 /* Switch to the data space. As usual delete our label. */
6333 int unused ATTRIBUTE_UNUSED
;
6336 current_space
= is_defined_space ("$PRIVATE$");
6338 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6341 pa_undefine_label ();
6344 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6345 the .comm pseudo-op has the following symtax:
6347 <label> .comm <length>
6349 where <label> is optional and is a symbol whose address will be the start of
6350 a block of memory <length> bytes long. <length> must be an absolute
6351 expression. <length> bytes will be allocated in the current space
6354 Also note the label may not even be on the same line as the .comm.
6356 This difference in syntax means the colon function will be called
6357 on the symbol before we arrive in pa_comm. colon will set a number
6358 of attributes of the symbol that need to be fixed here. In particular
6359 the value, section pointer, fragment pointer, flags, etc. What
6362 This also makes error detection all but impossible. */
6366 int unused ATTRIBUTE_UNUSED
;
6370 label_symbol_struct
*label_symbol
= pa_get_label ();
6373 symbol
= label_symbol
->lss_label
;
6378 size
= get_absolute_expression ();
6382 S_SET_VALUE (symbol
, size
);
6383 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6384 S_SET_EXTERNAL (symbol
);
6386 /* colon() has already set the frag to the current location in the
6387 current subspace; we need to reset the fragment to the zero address
6388 fragment. We also need to reset the segment pointer. */
6389 symbol_set_frag (symbol
, &zero_address_frag
);
6391 demand_empty_rest_of_line ();
6393 #endif /* !(defined (OBJ_ELF) && defined (TE_LINUX)) */
6395 /* Process a .END pseudo-op. */
6399 int unused ATTRIBUTE_UNUSED
;
6401 demand_empty_rest_of_line ();
6404 /* Process a .ENTER pseudo-op. This is not supported. */
6407 int unused ATTRIBUTE_UNUSED
;
6410 /* We must have a valid space and subspace. */
6411 pa_check_current_space_and_subspace ();
6414 as_bad (_("The .ENTER pseudo-op is not supported"));
6415 demand_empty_rest_of_line ();
6418 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6422 int unused ATTRIBUTE_UNUSED
;
6425 /* We must have a valid space and subspace. */
6426 pa_check_current_space_and_subspace ();
6429 if (!within_procedure
)
6430 as_bad (_("Misplaced .entry. Ignored."));
6433 if (!callinfo_found
)
6434 as_bad (_("Missing .callinfo."));
6436 demand_empty_rest_of_line ();
6437 within_entry_exit
= TRUE
;
6440 /* SOM defers building of unwind descriptors until the link phase.
6441 The assembler is responsible for creating an R_ENTRY relocation
6442 to mark the beginning of a region and hold the unwind bits, and
6443 for creating an R_EXIT relocation to mark the end of the region.
6445 FIXME. ELF should be using the same conventions! The problem
6446 is an unwind requires too much relocation space. Hmmm. Maybe
6447 if we split the unwind bits up between the relocations which
6448 denote the entry and exit points. */
6449 if (last_call_info
->start_symbol
!= NULL
)
6454 where
= frag_more (0);
6455 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6456 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6457 NULL
, (offsetT
) 0, NULL
,
6458 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6463 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6464 being able to subtract two register symbols that specify a range of
6465 registers, to get the size of the range. */
6466 static int fudge_reg_expressions
;
6469 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6470 expressionS
*resultP
;
6471 operatorT op ATTRIBUTE_UNUSED
;
6472 expressionS
*rightP
;
6474 if (fudge_reg_expressions
6475 && rightP
->X_op
== O_register
6476 && resultP
->X_op
== O_register
)
6478 rightP
->X_op
= O_constant
;
6479 resultP
->X_op
= O_constant
;
6481 return 0; /* Continue normal expr handling. */
6484 /* Handle a .EQU pseudo-op. */
6490 label_symbol_struct
*label_symbol
= pa_get_label ();
6495 symbol
= label_symbol
->lss_label
;
6499 if (!pa_parse_number (&input_line_pointer
, 0))
6500 as_bad (_(".REG expression must be a register"));
6501 S_SET_VALUE (symbol
, pa_number
);
6502 S_SET_SEGMENT (symbol
, reg_section
);
6509 fudge_reg_expressions
= 1;
6510 seg
= expression (&exp
);
6511 fudge_reg_expressions
= 0;
6512 if (exp
.X_op
!= O_constant
6513 && exp
.X_op
!= O_register
)
6515 if (exp
.X_op
!= O_absent
)
6516 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6517 exp
.X_add_number
= 0;
6518 seg
= absolute_section
;
6520 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6521 S_SET_SEGMENT (symbol
, seg
);
6527 as_bad (_(".REG must use a label"));
6529 as_bad (_(".EQU must use a label"));
6532 pa_undefine_label ();
6533 demand_empty_rest_of_line ();
6536 /* Helper function. Does processing for the end of a function. This
6537 usually involves creating some relocations or building special
6538 symbols to mark the end of the function. */
6545 where
= frag_more (0);
6548 /* Mark the end of the function, stuff away the location of the frag
6549 for the end of the function, and finally call pa_build_unwind_subspace
6550 to add an entry in the unwind table. */
6551 hppa_elf_mark_end_of_function ();
6552 pa_build_unwind_subspace (last_call_info
);
6554 /* SOM defers building of unwind descriptors until the link phase.
6555 The assembler is responsible for creating an R_ENTRY relocation
6556 to mark the beginning of a region and hold the unwind bits, and
6557 for creating an R_EXIT relocation to mark the end of the region.
6559 FIXME. ELF should be using the same conventions! The problem
6560 is an unwind requires too much relocation space. Hmmm. Maybe
6561 if we split the unwind bits up between the relocations which
6562 denote the entry and exit points. */
6563 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6565 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6566 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6570 /* Process a .EXIT pseudo-op. */
6574 int unused ATTRIBUTE_UNUSED
;
6577 /* We must have a valid space and subspace. */
6578 pa_check_current_space_and_subspace ();
6581 if (!within_procedure
)
6582 as_bad (_(".EXIT must appear within a procedure"));
6585 if (!callinfo_found
)
6586 as_bad (_("Missing .callinfo"));
6589 if (!within_entry_exit
)
6590 as_bad (_("No .ENTRY for this .EXIT"));
6593 within_entry_exit
= FALSE
;
6598 demand_empty_rest_of_line ();
6601 /* Process a .EXPORT directive. This makes functions external
6602 and provides information such as argument relocation entries
6607 int unused ATTRIBUTE_UNUSED
;
6612 name
= input_line_pointer
;
6613 c
= get_symbol_end ();
6614 /* Make sure the given symbol exists. */
6615 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6617 as_bad (_("Cannot define export symbol: %s\n"), name
);
6618 p
= input_line_pointer
;
6620 input_line_pointer
++;
6624 /* OK. Set the external bits and process argument relocations.
6625 For the HP, weak and global are not mutually exclusive.
6626 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6627 Call S_SET_EXTERNAL to get the other processing. Manually
6628 set BSF_GLOBAL when we get back. */
6629 S_SET_EXTERNAL (symbol
);
6630 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6631 p
= input_line_pointer
;
6633 if (!is_end_of_statement ())
6635 input_line_pointer
++;
6636 pa_type_args (symbol
, 1);
6640 demand_empty_rest_of_line ();
6643 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6646 pa_type_args (symbolP
, is_export
)
6651 unsigned int temp
, arg_reloc
;
6652 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6653 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6655 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6658 input_line_pointer
+= 8;
6659 bfdsym
->flags
&= ~BSF_FUNCTION
;
6660 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6661 type
= SYMBOL_TYPE_ABSOLUTE
;
6663 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6665 input_line_pointer
+= 4;
6666 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6667 instead one should be IMPORTing/EXPORTing ENTRY types.
6669 Complain if one tries to EXPORT a CODE type since that's never
6670 done. Both GCC and HP C still try to IMPORT CODE types, so
6671 silently fix them to be ENTRY types. */
6672 if (S_IS_FUNCTION (symbolP
))
6675 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6676 S_GET_NAME (symbolP
));
6678 bfdsym
->flags
|= BSF_FUNCTION
;
6679 type
= SYMBOL_TYPE_ENTRY
;
6683 bfdsym
->flags
&= ~BSF_FUNCTION
;
6684 type
= SYMBOL_TYPE_CODE
;
6687 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6689 input_line_pointer
+= 4;
6690 bfdsym
->flags
&= ~BSF_FUNCTION
;
6691 bfdsym
->flags
|= BSF_OBJECT
;
6692 type
= SYMBOL_TYPE_DATA
;
6694 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6696 input_line_pointer
+= 5;
6697 bfdsym
->flags
|= BSF_FUNCTION
;
6698 type
= SYMBOL_TYPE_ENTRY
;
6700 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6702 input_line_pointer
+= 9;
6703 bfdsym
->flags
|= BSF_FUNCTION
;
6706 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6707 elfsym
->internal_elf_sym
.st_info
=
6708 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6712 type
= SYMBOL_TYPE_MILLICODE
;
6714 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6716 input_line_pointer
+= 6;
6717 bfdsym
->flags
&= ~BSF_FUNCTION
;
6718 type
= SYMBOL_TYPE_PLABEL
;
6720 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6722 input_line_pointer
+= 8;
6723 bfdsym
->flags
|= BSF_FUNCTION
;
6724 type
= SYMBOL_TYPE_PRI_PROG
;
6726 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6728 input_line_pointer
+= 8;
6729 bfdsym
->flags
|= BSF_FUNCTION
;
6730 type
= SYMBOL_TYPE_SEC_PROG
;
6733 /* SOM requires much more information about symbol types
6734 than BFD understands. This is how we get this information
6735 to the SOM BFD backend. */
6736 #ifdef obj_set_symbol_type
6737 obj_set_symbol_type (bfdsym
, (int) type
);
6740 /* Now that the type of the exported symbol has been handled,
6741 handle any argument relocation information. */
6742 while (!is_end_of_statement ())
6744 if (*input_line_pointer
== ',')
6745 input_line_pointer
++;
6746 name
= input_line_pointer
;
6747 c
= get_symbol_end ();
6748 /* Argument sources. */
6749 if ((strncasecmp (name
, "argw", 4) == 0))
6751 p
= input_line_pointer
;
6753 input_line_pointer
++;
6754 temp
= atoi (name
+ 4);
6755 name
= input_line_pointer
;
6756 c
= get_symbol_end ();
6757 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6758 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6759 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6761 *input_line_pointer
= c
;
6763 /* The return value. */
6764 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6766 p
= input_line_pointer
;
6768 input_line_pointer
++;
6769 name
= input_line_pointer
;
6770 c
= get_symbol_end ();
6771 arg_reloc
= pa_build_arg_reloc (name
);
6772 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6773 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6775 *input_line_pointer
= c
;
6777 /* Privelege level. */
6778 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6780 p
= input_line_pointer
;
6782 input_line_pointer
++;
6783 temp
= atoi (input_line_pointer
);
6785 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6787 c
= get_symbol_end ();
6788 *input_line_pointer
= c
;
6792 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6793 p
= input_line_pointer
;
6796 if (!is_end_of_statement ())
6797 input_line_pointer
++;
6801 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6802 assembly file must either be defined in the assembly file, or
6803 explicitly IMPORTED from another. */
6807 int unused ATTRIBUTE_UNUSED
;
6812 name
= input_line_pointer
;
6813 c
= get_symbol_end ();
6815 symbol
= symbol_find (name
);
6816 /* Ugh. We might be importing a symbol defined earlier in the file,
6817 in which case all the code below will really screw things up
6818 (set the wrong segment, symbol flags & type, etc). */
6819 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6821 symbol
= symbol_find_or_make (name
);
6822 p
= input_line_pointer
;
6825 if (!is_end_of_statement ())
6827 input_line_pointer
++;
6828 pa_type_args (symbol
, 0);
6832 /* Sigh. To be compatable with the HP assembler and to help
6833 poorly written assembly code, we assign a type based on
6834 the current segment. Note only BSF_FUNCTION really
6835 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6836 if (now_seg
== text_section
)
6837 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6839 /* If the section is undefined, then the symbol is undefined
6840 Since this is an import, leave the section undefined. */
6841 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6846 /* The symbol was already defined. Just eat everything up to
6847 the end of the current statement. */
6848 while (!is_end_of_statement ())
6849 input_line_pointer
++;
6852 demand_empty_rest_of_line ();
6855 /* Handle a .LABEL pseudo-op. */
6859 int unused ATTRIBUTE_UNUSED
;
6863 name
= input_line_pointer
;
6864 c
= get_symbol_end ();
6866 if (strlen (name
) > 0)
6869 p
= input_line_pointer
;
6874 as_warn (_("Missing label name on .LABEL"));
6877 if (!is_end_of_statement ())
6879 as_warn (_("extra .LABEL arguments ignored."));
6880 ignore_rest_of_line ();
6882 demand_empty_rest_of_line ();
6885 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6889 int unused ATTRIBUTE_UNUSED
;
6892 /* We must have a valid space and subspace. */
6893 pa_check_current_space_and_subspace ();
6896 as_bad (_("The .LEAVE pseudo-op is not supported"));
6897 demand_empty_rest_of_line ();
6900 /* Handle a .LEVEL pseudo-op. */
6904 int unused ATTRIBUTE_UNUSED
;
6908 level
= input_line_pointer
;
6909 if (strncmp (level
, "1.0", 3) == 0)
6911 input_line_pointer
+= 3;
6912 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6913 as_warn (_("could not set architecture and machine"));
6915 else if (strncmp (level
, "1.1", 3) == 0)
6917 input_line_pointer
+= 3;
6918 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6919 as_warn (_("could not set architecture and machine"));
6921 else if (strncmp (level
, "2.0w", 4) == 0)
6923 input_line_pointer
+= 4;
6924 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6925 as_warn (_("could not set architecture and machine"));
6927 else if (strncmp (level
, "2.0", 3) == 0)
6929 input_line_pointer
+= 3;
6930 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6931 as_warn (_("could not set architecture and machine"));
6935 as_bad (_("Unrecognized .LEVEL argument\n"));
6936 ignore_rest_of_line ();
6938 demand_empty_rest_of_line ();
6941 /* Handle a .ORIGIN pseudo-op. */
6945 int unused ATTRIBUTE_UNUSED
;
6948 /* We must have a valid space and subspace. */
6949 pa_check_current_space_and_subspace ();
6953 pa_undefine_label ();
6956 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6957 is for static functions. FIXME. Should share more code with .EXPORT. */
6961 int unused ATTRIBUTE_UNUSED
;
6966 name
= input_line_pointer
;
6967 c
= get_symbol_end ();
6969 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6971 as_bad (_("Cannot define static symbol: %s\n"), name
);
6972 p
= input_line_pointer
;
6974 input_line_pointer
++;
6978 S_CLEAR_EXTERNAL (symbol
);
6979 p
= input_line_pointer
;
6981 if (!is_end_of_statement ())
6983 input_line_pointer
++;
6984 pa_type_args (symbol
, 0);
6988 demand_empty_rest_of_line ();
6991 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6992 of a procedure from a syntactical point of view. */
6996 int unused ATTRIBUTE_UNUSED
;
6998 struct call_info
*call_info
;
7001 /* We must have a valid space and subspace. */
7002 pa_check_current_space_and_subspace ();
7005 if (within_procedure
)
7006 as_fatal (_("Nested procedures"));
7008 /* Reset global variables for new procedure. */
7009 callinfo_found
= FALSE
;
7010 within_procedure
= TRUE
;
7012 /* Create another call_info structure. */
7013 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7016 as_fatal (_("Cannot allocate unwind descriptor\n"));
7018 memset (call_info
, 0, sizeof (struct call_info
));
7020 call_info
->ci_next
= NULL
;
7022 if (call_info_root
== NULL
)
7024 call_info_root
= call_info
;
7025 last_call_info
= call_info
;
7029 last_call_info
->ci_next
= call_info
;
7030 last_call_info
= call_info
;
7033 /* set up defaults on call_info structure */
7035 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7036 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7037 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7039 /* If we got a .PROC pseudo-op, we know that the function is defined
7040 locally. Make sure it gets into the symbol table. */
7042 label_symbol_struct
*label_symbol
= pa_get_label ();
7046 if (label_symbol
->lss_label
)
7048 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7049 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7052 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7055 last_call_info
->start_symbol
= NULL
;
7058 demand_empty_rest_of_line ();
7061 /* Process the syntatical end of a procedure. Make sure all the
7062 appropriate pseudo-ops were found within the procedure. */
7066 int unused ATTRIBUTE_UNUSED
;
7070 /* We must have a valid space and subspace. */
7071 pa_check_current_space_and_subspace ();
7074 /* If we are within a procedure definition, make sure we've
7075 defined a label for the procedure; handle case where the
7076 label was defined after the .PROC directive.
7078 Note there's not need to diddle with the segment or fragment
7079 for the label symbol in this case. We have already switched
7080 into the new $CODE$ subspace at this point. */
7081 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7083 label_symbol_struct
*label_symbol
= pa_get_label ();
7087 if (label_symbol
->lss_label
)
7089 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7090 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7093 /* Also handle allocation of a fixup to hold the unwind
7094 information when the label appears after the proc/procend. */
7095 if (within_entry_exit
)
7100 where
= frag_more (0);
7101 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7102 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7103 NULL
, (offsetT
) 0, NULL
,
7104 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7109 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7112 as_bad (_("Missing function name for .PROC"));
7115 if (!within_procedure
)
7116 as_bad (_("misplaced .procend"));
7118 if (!callinfo_found
)
7119 as_bad (_("Missing .callinfo for this procedure"));
7121 if (within_entry_exit
)
7122 as_bad (_("Missing .EXIT for a .ENTRY"));
7125 /* ELF needs to mark the end of each function so that it can compute
7126 the size of the function (apparently its needed in the symbol table). */
7127 hppa_elf_mark_end_of_function ();
7130 within_procedure
= FALSE
;
7131 demand_empty_rest_of_line ();
7132 pa_undefine_label ();
7136 /* If VALUE is an exact power of two between zero and 2^31, then
7137 return log2 (VALUE). Else return -1. */
7145 while ((1 << shift
) != value
&& shift
< 32)
7154 /* Check to make sure we have a valid space and subspace. */
7157 pa_check_current_space_and_subspace ()
7159 if (current_space
== NULL
)
7160 as_fatal (_("Not in a space.\n"));
7162 if (current_subspace
== NULL
)
7163 as_fatal (_("Not in a subspace.\n"));
7166 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7167 then create a new space entry to hold the information specified
7168 by the parameters to the .SPACE directive. */
7170 static sd_chain_struct
*
7171 pa_parse_space_stmt (space_name
, create_flag
)
7175 char *name
, *ptemp
, c
;
7176 char loadable
, defined
, private, sort
;
7178 asection
*seg
= NULL
;
7179 sd_chain_struct
*space
;
7181 /* load default values */
7187 if (strcmp (space_name
, "$TEXT$") == 0)
7189 seg
= pa_def_spaces
[0].segment
;
7190 defined
= pa_def_spaces
[0].defined
;
7191 private = pa_def_spaces
[0].private;
7192 sort
= pa_def_spaces
[0].sort
;
7193 spnum
= pa_def_spaces
[0].spnum
;
7195 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7197 seg
= pa_def_spaces
[1].segment
;
7198 defined
= pa_def_spaces
[1].defined
;
7199 private = pa_def_spaces
[1].private;
7200 sort
= pa_def_spaces
[1].sort
;
7201 spnum
= pa_def_spaces
[1].spnum
;
7204 if (!is_end_of_statement ())
7206 print_errors
= FALSE
;
7207 ptemp
= input_line_pointer
+ 1;
7208 /* First see if the space was specified as a number rather than
7209 as a name. According to the PA assembly manual the rest of
7210 the line should be ignored. */
7212 pa_parse_number (&ptemp
, 0);
7216 input_line_pointer
= ptemp
;
7220 while (!is_end_of_statement ())
7222 input_line_pointer
++;
7223 name
= input_line_pointer
;
7224 c
= get_symbol_end ();
7225 if ((strncasecmp (name
, "spnum", 5) == 0))
7227 *input_line_pointer
= c
;
7228 input_line_pointer
++;
7229 spnum
= get_absolute_expression ();
7231 else if ((strncasecmp (name
, "sort", 4) == 0))
7233 *input_line_pointer
= c
;
7234 input_line_pointer
++;
7235 sort
= get_absolute_expression ();
7237 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7239 *input_line_pointer
= c
;
7242 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7244 *input_line_pointer
= c
;
7247 else if ((strncasecmp (name
, "private", 7) == 0))
7249 *input_line_pointer
= c
;
7254 as_bad (_("Invalid .SPACE argument"));
7255 *input_line_pointer
= c
;
7256 if (!is_end_of_statement ())
7257 input_line_pointer
++;
7261 print_errors
= TRUE
;
7264 if (create_flag
&& seg
== NULL
)
7265 seg
= subseg_new (space_name
, 0);
7267 /* If create_flag is nonzero, then create the new space with
7268 the attributes computed above. Else set the values in
7269 an already existing space -- this can only happen for
7270 the first occurence of a built-in space. */
7272 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7273 private, sort
, seg
, 1);
7276 space
= is_defined_space (space_name
);
7277 SPACE_SPNUM (space
) = spnum
;
7278 SPACE_DEFINED (space
) = defined
& 1;
7279 SPACE_USER_DEFINED (space
) = 1;
7282 #ifdef obj_set_section_attributes
7283 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7289 /* Handle a .SPACE pseudo-op; this switches the current space to the
7290 given space, creating the new space if necessary. */
7294 int unused ATTRIBUTE_UNUSED
;
7296 char *name
, c
, *space_name
, *save_s
;
7297 sd_chain_struct
*sd_chain
;
7299 if (within_procedure
)
7301 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7302 ignore_rest_of_line ();
7306 /* Check for some of the predefined spaces. FIXME: most of the code
7307 below is repeated several times, can we extract the common parts
7308 and place them into a subroutine or something similar? */
7309 /* FIXME Is this (and the next IF stmt) really right?
7310 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7311 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7313 input_line_pointer
+= 6;
7314 sd_chain
= is_defined_space ("$TEXT$");
7315 if (sd_chain
== NULL
)
7316 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7317 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7318 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7320 current_space
= sd_chain
;
7321 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7323 = pa_subsegment_to_subspace (text_section
,
7324 sd_chain
->sd_last_subseg
);
7325 demand_empty_rest_of_line ();
7328 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7330 input_line_pointer
+= 9;
7331 sd_chain
= is_defined_space ("$PRIVATE$");
7332 if (sd_chain
== NULL
)
7333 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7334 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7335 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7337 current_space
= sd_chain
;
7338 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7340 = pa_subsegment_to_subspace (data_section
,
7341 sd_chain
->sd_last_subseg
);
7342 demand_empty_rest_of_line ();
7345 if (!strncasecmp (input_line_pointer
,
7346 GDB_DEBUG_SPACE_NAME
,
7347 strlen (GDB_DEBUG_SPACE_NAME
)))
7349 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7350 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7351 if (sd_chain
== NULL
)
7352 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7353 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7354 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7356 current_space
= sd_chain
;
7359 asection
*gdb_section
7360 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7362 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7364 = pa_subsegment_to_subspace (gdb_section
,
7365 sd_chain
->sd_last_subseg
);
7367 demand_empty_rest_of_line ();
7371 /* It could be a space specified by number. */
7373 save_s
= input_line_pointer
;
7375 pa_parse_number (&input_line_pointer
, 0);
7378 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7380 current_space
= sd_chain
;
7382 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7384 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7385 sd_chain
->sd_last_subseg
);
7386 demand_empty_rest_of_line ();
7391 /* Not a number, attempt to create a new space. */
7393 input_line_pointer
= save_s
;
7394 name
= input_line_pointer
;
7395 c
= get_symbol_end ();
7396 space_name
= xmalloc (strlen (name
) + 1);
7397 strcpy (space_name
, name
);
7398 *input_line_pointer
= c
;
7400 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7401 current_space
= sd_chain
;
7403 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7404 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7405 sd_chain
->sd_last_subseg
);
7406 demand_empty_rest_of_line ();
7410 /* Switch to a new space. (I think). FIXME. */
7414 int unused ATTRIBUTE_UNUSED
;
7419 sd_chain_struct
*space
;
7421 name
= input_line_pointer
;
7422 c
= get_symbol_end ();
7423 space
= is_defined_space (name
);
7427 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7430 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7432 *input_line_pointer
= c
;
7433 demand_empty_rest_of_line ();
7436 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7437 given subspace, creating the new subspace if necessary.
7439 FIXME. Should mirror pa_space more closely, in particular how
7440 they're broken up into subroutines. */
7443 pa_subspace (create_new
)
7446 char *name
, *ss_name
, c
;
7447 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
7448 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7449 sd_chain_struct
*space
;
7450 ssd_chain_struct
*ssd
;
7453 if (current_space
== NULL
)
7454 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7456 if (within_procedure
)
7458 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7459 ignore_rest_of_line ();
7463 name
= input_line_pointer
;
7464 c
= get_symbol_end ();
7465 ss_name
= xmalloc (strlen (name
) + 1);
7466 strcpy (ss_name
, name
);
7467 *input_line_pointer
= c
;
7469 /* Load default values. */
7481 space
= current_space
;
7485 ssd
= is_defined_subspace (ss_name
);
7486 /* Allow user to override the builtin attributes of subspaces. But
7487 only allow the attributes to be changed once! */
7488 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7490 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7491 current_subspace
= ssd
;
7492 if (!is_end_of_statement ())
7493 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7494 demand_empty_rest_of_line ();
7499 /* A new subspace. Load default values if it matches one of
7500 the builtin subspaces. */
7502 while (pa_def_subspaces
[i
].name
)
7504 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7506 loadable
= pa_def_subspaces
[i
].loadable
;
7507 common
= pa_def_subspaces
[i
].common
;
7508 dup_common
= pa_def_subspaces
[i
].dup_common
;
7509 code_only
= pa_def_subspaces
[i
].code_only
;
7510 zero
= pa_def_subspaces
[i
].zero
;
7511 space_index
= pa_def_subspaces
[i
].space_index
;
7512 alignment
= pa_def_subspaces
[i
].alignment
;
7513 quadrant
= pa_def_subspaces
[i
].quadrant
;
7514 access
= pa_def_subspaces
[i
].access
;
7515 sort
= pa_def_subspaces
[i
].sort
;
7522 /* We should be working with a new subspace now. Fill in
7523 any information as specified by the user. */
7524 if (!is_end_of_statement ())
7526 input_line_pointer
++;
7527 while (!is_end_of_statement ())
7529 name
= input_line_pointer
;
7530 c
= get_symbol_end ();
7531 if ((strncasecmp (name
, "quad", 4) == 0))
7533 *input_line_pointer
= c
;
7534 input_line_pointer
++;
7535 quadrant
= get_absolute_expression ();
7537 else if ((strncasecmp (name
, "align", 5) == 0))
7539 *input_line_pointer
= c
;
7540 input_line_pointer
++;
7541 alignment
= get_absolute_expression ();
7542 if (log2 (alignment
) == -1)
7544 as_bad (_("Alignment must be a power of 2"));
7548 else if ((strncasecmp (name
, "access", 6) == 0))
7550 *input_line_pointer
= c
;
7551 input_line_pointer
++;
7552 access
= get_absolute_expression ();
7554 else if ((strncasecmp (name
, "sort", 4) == 0))
7556 *input_line_pointer
= c
;
7557 input_line_pointer
++;
7558 sort
= get_absolute_expression ();
7560 else if ((strncasecmp (name
, "code_only", 9) == 0))
7562 *input_line_pointer
= c
;
7565 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7567 *input_line_pointer
= c
;
7570 else if ((strncasecmp (name
, "common", 6) == 0))
7572 *input_line_pointer
= c
;
7575 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7577 *input_line_pointer
= c
;
7580 else if ((strncasecmp (name
, "zero", 4) == 0))
7582 *input_line_pointer
= c
;
7585 else if ((strncasecmp (name
, "first", 5) == 0))
7586 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7588 as_bad (_("Invalid .SUBSPACE argument"));
7589 if (!is_end_of_statement ())
7590 input_line_pointer
++;
7594 /* Compute a reasonable set of BFD flags based on the information
7595 in the .subspace directive. */
7596 applicable
= bfd_applicable_section_flags (stdoutput
);
7599 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7602 if (common
|| dup_common
)
7603 flags
|= SEC_IS_COMMON
;
7605 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7607 /* This is a zero-filled subspace (eg BSS). */
7609 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7611 applicable
&= flags
;
7613 /* If this is an existing subspace, then we want to use the
7614 segment already associated with the subspace.
7616 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7617 lots of sections. It might be a problem in the PA ELF
7618 code, I do not know yet. For now avoid creating anything
7619 but the "standard" sections for ELF. */
7621 section
= subseg_force_new (ss_name
, 0);
7623 section
= ssd
->ssd_seg
;
7625 section
= subseg_new (ss_name
, 0);
7628 seg_info (section
)->bss
= 1;
7630 /* Now set the flags. */
7631 bfd_set_section_flags (stdoutput
, section
, applicable
);
7633 /* Record any alignment request for this section. */
7634 record_alignment (section
, log2 (alignment
));
7636 /* Set the starting offset for this section. */
7637 bfd_set_section_vma (stdoutput
, section
,
7638 pa_subspace_start (space
, quadrant
));
7640 /* Now that all the flags are set, update an existing subspace,
7641 or create a new one. */
7644 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7645 code_only
, common
, dup_common
,
7646 sort
, zero
, access
, space_index
,
7647 alignment
, quadrant
,
7650 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7652 dup_common
, zero
, sort
,
7653 access
, space_index
,
7654 alignment
, quadrant
, section
);
7656 demand_empty_rest_of_line ();
7657 current_subspace
->ssd_seg
= section
;
7658 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7660 SUBSPACE_DEFINED (current_subspace
) = 1;
7663 /* Create default space and subspace dictionaries. */
7670 space_dict_root
= NULL
;
7671 space_dict_last
= NULL
;
7674 while (pa_def_spaces
[i
].name
)
7678 /* Pick the right name to use for the new section. */
7679 name
= pa_def_spaces
[i
].name
;
7681 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7682 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7683 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7684 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7685 pa_def_spaces
[i
].segment
, 0);
7690 while (pa_def_subspaces
[i
].name
)
7693 int applicable
, subsegment
;
7694 asection
*segment
= NULL
;
7695 sd_chain_struct
*space
;
7697 /* Pick the right name for the new section and pick the right
7698 subsegment number. */
7699 name
= pa_def_subspaces
[i
].name
;
7702 /* Create the new section. */
7703 segment
= subseg_new (name
, subsegment
);
7705 /* For SOM we want to replace the standard .text, .data, and .bss
7706 sections with our own. We also want to set BFD flags for
7707 all the built-in subspaces. */
7708 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7710 text_section
= segment
;
7711 applicable
= bfd_applicable_section_flags (stdoutput
);
7712 bfd_set_section_flags (stdoutput
, segment
,
7713 applicable
& (SEC_ALLOC
| SEC_LOAD
7714 | SEC_RELOC
| SEC_CODE
7716 | SEC_HAS_CONTENTS
));
7718 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7720 data_section
= segment
;
7721 applicable
= bfd_applicable_section_flags (stdoutput
);
7722 bfd_set_section_flags (stdoutput
, segment
,
7723 applicable
& (SEC_ALLOC
| SEC_LOAD
7725 | SEC_HAS_CONTENTS
));
7728 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7730 bss_section
= segment
;
7731 applicable
= bfd_applicable_section_flags (stdoutput
);
7732 bfd_set_section_flags (stdoutput
, segment
,
7733 applicable
& SEC_ALLOC
);
7735 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7737 applicable
= bfd_applicable_section_flags (stdoutput
);
7738 bfd_set_section_flags (stdoutput
, segment
,
7739 applicable
& (SEC_ALLOC
| SEC_LOAD
7742 | SEC_HAS_CONTENTS
));
7744 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7746 applicable
= bfd_applicable_section_flags (stdoutput
);
7747 bfd_set_section_flags (stdoutput
, segment
,
7748 applicable
& (SEC_ALLOC
| SEC_LOAD
7751 | SEC_HAS_CONTENTS
));
7753 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7755 applicable
= bfd_applicable_section_flags (stdoutput
);
7756 bfd_set_section_flags (stdoutput
, segment
,
7757 applicable
& (SEC_ALLOC
| SEC_LOAD
7760 | SEC_HAS_CONTENTS
));
7763 /* Find the space associated with this subspace. */
7764 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7765 def_space_index
].segment
);
7768 as_fatal (_("Internal error: Unable to find containing space for %s."),
7769 pa_def_subspaces
[i
].name
);
7772 create_new_subspace (space
, name
,
7773 pa_def_subspaces
[i
].loadable
,
7774 pa_def_subspaces
[i
].code_only
,
7775 pa_def_subspaces
[i
].common
,
7776 pa_def_subspaces
[i
].dup_common
,
7777 pa_def_subspaces
[i
].zero
,
7778 pa_def_subspaces
[i
].sort
,
7779 pa_def_subspaces
[i
].access
,
7780 pa_def_subspaces
[i
].space_index
,
7781 pa_def_subspaces
[i
].alignment
,
7782 pa_def_subspaces
[i
].quadrant
,
7788 /* Create a new space NAME, with the appropriate flags as defined
7789 by the given parameters. */
7791 static sd_chain_struct
*
7792 create_new_space (name
, spnum
, loadable
, defined
, private,
7793 sort
, seg
, user_defined
)
7803 sd_chain_struct
*chain_entry
;
7805 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7807 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7810 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7811 strcpy (SPACE_NAME (chain_entry
), name
);
7812 SPACE_DEFINED (chain_entry
) = defined
;
7813 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7814 SPACE_SPNUM (chain_entry
) = spnum
;
7816 chain_entry
->sd_seg
= seg
;
7817 chain_entry
->sd_last_subseg
= -1;
7818 chain_entry
->sd_subspaces
= NULL
;
7819 chain_entry
->sd_next
= NULL
;
7821 /* Find spot for the new space based on its sort key. */
7822 if (!space_dict_last
)
7823 space_dict_last
= chain_entry
;
7825 if (space_dict_root
== NULL
)
7826 space_dict_root
= chain_entry
;
7829 sd_chain_struct
*chain_pointer
;
7830 sd_chain_struct
*prev_chain_pointer
;
7832 chain_pointer
= space_dict_root
;
7833 prev_chain_pointer
= NULL
;
7835 while (chain_pointer
)
7837 prev_chain_pointer
= chain_pointer
;
7838 chain_pointer
= chain_pointer
->sd_next
;
7841 /* At this point we've found the correct place to add the new
7842 entry. So add it and update the linked lists as appropriate. */
7843 if (prev_chain_pointer
)
7845 chain_entry
->sd_next
= chain_pointer
;
7846 prev_chain_pointer
->sd_next
= chain_entry
;
7850 space_dict_root
= chain_entry
;
7851 chain_entry
->sd_next
= chain_pointer
;
7854 if (chain_entry
->sd_next
== NULL
)
7855 space_dict_last
= chain_entry
;
7858 /* This is here to catch predefined spaces which do not get
7859 modified by the user's input. Another call is found at
7860 the bottom of pa_parse_space_stmt to handle cases where
7861 the user modifies a predefined space. */
7862 #ifdef obj_set_section_attributes
7863 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7869 /* Create a new subspace NAME, with the appropriate flags as defined
7870 by the given parameters.
7872 Add the new subspace to the subspace dictionary chain in numerical
7873 order as defined by the SORT entries. */
7875 static ssd_chain_struct
*
7876 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7877 dup_common
, is_zero
, sort
, access
, space_index
,
7878 alignment
, quadrant
, seg
)
7879 sd_chain_struct
*space
;
7881 int loadable
, code_only
, common
, dup_common
, is_zero
;
7889 ssd_chain_struct
*chain_entry
;
7891 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7893 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7895 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7896 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7898 /* Initialize subspace_defined. When we hit a .subspace directive
7899 we'll set it to 1 which "locks-in" the subspace attributes. */
7900 SUBSPACE_DEFINED (chain_entry
) = 0;
7902 chain_entry
->ssd_subseg
= 0;
7903 chain_entry
->ssd_seg
= seg
;
7904 chain_entry
->ssd_next
= NULL
;
7906 /* Find spot for the new subspace based on its sort key. */
7907 if (space
->sd_subspaces
== NULL
)
7908 space
->sd_subspaces
= chain_entry
;
7911 ssd_chain_struct
*chain_pointer
;
7912 ssd_chain_struct
*prev_chain_pointer
;
7914 chain_pointer
= space
->sd_subspaces
;
7915 prev_chain_pointer
= NULL
;
7917 while (chain_pointer
)
7919 prev_chain_pointer
= chain_pointer
;
7920 chain_pointer
= chain_pointer
->ssd_next
;
7923 /* Now we have somewhere to put the new entry. Insert it and update
7925 if (prev_chain_pointer
)
7927 chain_entry
->ssd_next
= chain_pointer
;
7928 prev_chain_pointer
->ssd_next
= chain_entry
;
7932 space
->sd_subspaces
= chain_entry
;
7933 chain_entry
->ssd_next
= chain_pointer
;
7937 #ifdef obj_set_subsection_attributes
7938 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7945 /* Update the information for the given subspace based upon the
7946 various arguments. Return the modified subspace chain entry. */
7948 static ssd_chain_struct
*
7949 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7950 zero
, access
, space_index
, alignment
, quadrant
, section
)
7951 sd_chain_struct
*space
;
7965 ssd_chain_struct
*chain_entry
;
7967 chain_entry
= is_defined_subspace (name
);
7969 #ifdef obj_set_subsection_attributes
7970 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7977 /* Return the space chain entry for the space with the name NAME or
7978 NULL if no such space exists. */
7980 static sd_chain_struct
*
7981 is_defined_space (name
)
7984 sd_chain_struct
*chain_pointer
;
7986 for (chain_pointer
= space_dict_root
;
7988 chain_pointer
= chain_pointer
->sd_next
)
7990 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7991 return chain_pointer
;
7994 /* No mapping from segment to space was found. Return NULL. */
7998 /* Find and return the space associated with the given seg. If no mapping
7999 from the given seg to a space is found, then return NULL.
8001 Unlike subspaces, the number of spaces is not expected to grow much,
8002 so a linear exhaustive search is OK here. */
8004 static sd_chain_struct
*
8005 pa_segment_to_space (seg
)
8008 sd_chain_struct
*space_chain
;
8010 /* Walk through each space looking for the correct mapping. */
8011 for (space_chain
= space_dict_root
;
8013 space_chain
= space_chain
->sd_next
)
8015 if (space_chain
->sd_seg
== seg
)
8019 /* Mapping was not found. Return NULL. */
8023 /* Return the space chain entry for the subspace with the name NAME or
8024 NULL if no such subspace exists.
8026 Uses a linear search through all the spaces and subspaces, this may
8027 not be appropriate if we ever being placing each function in its
8030 static ssd_chain_struct
*
8031 is_defined_subspace (name
)
8034 sd_chain_struct
*space_chain
;
8035 ssd_chain_struct
*subspace_chain
;
8037 /* Walk through each space. */
8038 for (space_chain
= space_dict_root
;
8040 space_chain
= space_chain
->sd_next
)
8042 /* Walk through each subspace looking for a name which matches. */
8043 for (subspace_chain
= space_chain
->sd_subspaces
;
8045 subspace_chain
= subspace_chain
->ssd_next
)
8046 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8047 return subspace_chain
;
8050 /* Subspace wasn't found. Return NULL. */
8054 /* Find and return the subspace associated with the given seg. If no
8055 mapping from the given seg to a subspace is found, then return NULL.
8057 If we ever put each procedure/function within its own subspace
8058 (to make life easier on the compiler and linker), then this will have
8059 to become more efficient. */
8061 static ssd_chain_struct
*
8062 pa_subsegment_to_subspace (seg
, subseg
)
8066 sd_chain_struct
*space_chain
;
8067 ssd_chain_struct
*subspace_chain
;
8069 /* Walk through each space. */
8070 for (space_chain
= space_dict_root
;
8072 space_chain
= space_chain
->sd_next
)
8074 if (space_chain
->sd_seg
== seg
)
8076 /* Walk through each subspace within each space looking for
8077 the correct mapping. */
8078 for (subspace_chain
= space_chain
->sd_subspaces
;
8080 subspace_chain
= subspace_chain
->ssd_next
)
8081 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8082 return subspace_chain
;
8086 /* No mapping from subsegment to subspace found. Return NULL. */
8090 /* Given a number, try and find a space with the name number.
8092 Return a pointer to a space dictionary chain entry for the space
8093 that was found or NULL on failure. */
8095 static sd_chain_struct
*
8096 pa_find_space_by_number (number
)
8099 sd_chain_struct
*space_chain
;
8101 for (space_chain
= space_dict_root
;
8103 space_chain
= space_chain
->sd_next
)
8105 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8109 /* No appropriate space found. Return NULL. */
8113 /* Return the starting address for the given subspace. If the starting
8114 address is unknown then return zero. */
8117 pa_subspace_start (space
, quadrant
)
8118 sd_chain_struct
*space
;
8121 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8122 is not correct for the PA OSF1 port. */
8123 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8125 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8132 /* FIXME. Needs documentation. */
8134 pa_next_subseg (space
)
8135 sd_chain_struct
*space
;
8138 space
->sd_last_subseg
++;
8139 return space
->sd_last_subseg
;
8143 /* Helper function for pa_stringer. Used to find the end of
8150 unsigned int c
= *s
& CHAR_MASK
;
8163 /* Handle a .STRING type pseudo-op. */
8166 pa_stringer (append_zero
)
8169 char *s
, num_buf
[4];
8173 /* Preprocess the string to handle PA-specific escape sequences.
8174 For example, \xDD where DD is a hexadecimal number should be
8175 changed to \OOO where OOO is an octal number. */
8178 /* We must have a valid space and subspace. */
8179 pa_check_current_space_and_subspace ();
8182 /* Skip the opening quote. */
8183 s
= input_line_pointer
+ 1;
8185 while (is_a_char (c
= pa_stringer_aux (s
++)))
8192 /* Handle \x<num>. */
8195 unsigned int number
;
8200 /* Get past the 'x'. */
8202 for (num_digit
= 0, number
= 0, dg
= *s
;
8204 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8205 || (dg
>= 'A' && dg
<= 'F'));
8209 number
= number
* 16 + dg
- '0';
8210 else if (dg
>= 'a' && dg
<= 'f')
8211 number
= number
* 16 + dg
- 'a' + 10;
8213 number
= number
* 16 + dg
- 'A' + 10;
8223 sprintf (num_buf
, "%02o", number
);
8226 sprintf (num_buf
, "%03o", number
);
8229 for (i
= 0; i
<= num_digit
; i
++)
8230 s_start
[i
] = num_buf
[i
];
8234 /* This might be a "\"", skip over the escaped char. */
8241 stringer (append_zero
);
8242 pa_undefine_label ();
8245 /* Handle a .VERSION pseudo-op. */
8249 int unused ATTRIBUTE_UNUSED
;
8252 pa_undefine_label ();
8257 /* Handle a .COMPILER pseudo-op. */
8260 pa_compiler (unused
)
8261 int unused ATTRIBUTE_UNUSED
;
8263 obj_som_compiler (0);
8264 pa_undefine_label ();
8269 /* Handle a .COPYRIGHT pseudo-op. */
8272 pa_copyright (unused
)
8273 int unused ATTRIBUTE_UNUSED
;
8276 pa_undefine_label ();
8279 /* Just like a normal cons, but when finished we have to undefine
8280 the latest space label. */
8287 pa_undefine_label ();
8290 /* Like float_cons, but we need to undefine our label. */
8293 pa_float_cons (float_type
)
8296 float_cons (float_type
);
8297 pa_undefine_label ();
8300 /* Like s_fill, but delete our label when finished. */
8304 int unused ATTRIBUTE_UNUSED
;
8307 /* We must have a valid space and subspace. */
8308 pa_check_current_space_and_subspace ();
8312 pa_undefine_label ();
8315 /* Like lcomm, but delete our label when finished. */
8318 pa_lcomm (needs_align
)
8322 /* We must have a valid space and subspace. */
8323 pa_check_current_space_and_subspace ();
8326 s_lcomm (needs_align
);
8327 pa_undefine_label ();
8330 /* Like lsym, but delete our label when finished. */
8334 int unused ATTRIBUTE_UNUSED
;
8337 /* We must have a valid space and subspace. */
8338 pa_check_current_space_and_subspace ();
8342 pa_undefine_label ();
8345 /* On the PA relocations which involve function symbols must not be
8346 adjusted. This so that the linker can know when/how to create argument
8347 relocation stubs for indirect calls and calls to static functions.
8349 "T" field selectors create DLT relative fixups for accessing
8350 globals and statics in PIC code; each DLT relative fixup creates
8351 an entry in the DLT table. The entries contain the address of
8352 the final target (eg accessing "foo" would create a DLT entry
8353 with the address of "foo").
8355 Unfortunately, the HP linker doesn't take into account any addend
8356 when generating the DLT; so accessing $LIT$+8 puts the address of
8357 $LIT$ into the DLT rather than the address of $LIT$+8.
8359 The end result is we can't perform relocation symbol reductions for
8360 any fixup which creates entries in the DLT (eg they use "T" field
8363 Reject reductions involving symbols with external scope; such
8364 reductions make life a living hell for object file editors.
8366 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8367 the code space. The SOM BFD backend doesn't know how to pull the
8368 right bits out of an instruction. */
8371 hppa_fix_adjustable (fixp
)
8375 struct hppa_fix_struct
*hppa_fix
;
8377 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8380 /* Reject reductions of symbols in 32bit relocs. */
8381 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
8386 /* LR/RR selectors are implicitly used for a number of different relocation
8387 types. We must ensure that none of these types are adjusted (see below)
8388 even if they occur with a different selector. */
8389 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8390 hppa_fix
->fx_r_format
,
8391 hppa_fix
->fx_r_field
);
8395 /* Relocation types which use e_lrsel. */
8396 case R_PARISC_DIR21L
:
8397 case R_PARISC_DLTREL21L
:
8398 case R_PARISC_DPREL21L
:
8399 case R_PARISC_PLTOFF21L
:
8401 /* Relocation types which use e_rrsel. */
8402 case R_PARISC_DIR14R
:
8403 case R_PARISC_DIR14DR
:
8404 case R_PARISC_DIR14WR
:
8405 case R_PARISC_DIR17R
:
8406 case R_PARISC_DLTREL14R
:
8407 case R_PARISC_DLTREL14DR
:
8408 case R_PARISC_DLTREL14WR
:
8409 case R_PARISC_DPREL14R
:
8410 case R_PARISC_DPREL14DR
:
8411 case R_PARISC_DPREL14WR
:
8412 case R_PARISC_PLTOFF14R
:
8413 case R_PARISC_PLTOFF14DR
:
8414 case R_PARISC_PLTOFF14WR
:
8416 /* Other types that we reject for reduction. */
8417 case R_PARISC_GNU_VTENTRY
:
8418 case R_PARISC_GNU_VTINHERIT
:
8425 /* Reject reductions of symbols in sym1-sym2 expressions when
8426 the fixup will occur in a CODE subspace.
8428 XXX FIXME: Long term we probably want to reject all of these;
8429 for example reducing in the debug section would lose if we ever
8430 supported using the optimizing hp linker. */
8433 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8436 /* We can't adjust any relocs that use LR% and RR% field selectors.
8438 If a symbol is reduced to a section symbol, the assembler will
8439 adjust the addend unless the symbol happens to reside right at
8440 the start of the section. Additionally, the linker has no choice
8441 but to manipulate the addends when coalescing input sections for
8442 "ld -r". Since an LR% field selector is defined to round the
8443 addend, we can't change the addend without risking that a LR% and
8444 it's corresponding (possible multiple) RR% field will no longer
8445 sum to the right value.
8448 . ldil LR%foo+0,%r21
8449 . ldw RR%foo+0(%r21),%r26
8450 . ldw RR%foo+4(%r21),%r25
8452 If foo is at address 4092 (decimal) in section `sect', then after
8453 reducing to the section symbol we get
8454 . LR%sect+4092 == (L%sect)+0
8455 . RR%sect+4092 == (R%sect)+4092
8456 . RR%sect+4096 == (R%sect)-4096
8457 and the last address loses because rounding the addend to 8k
8458 mutiples takes us up to 8192 with an offset of -4096.
8460 In cases where the LR% expression is identical to the RR% one we
8461 will never have a problem, but is so happens that gcc rounds
8462 addends involved in LR% field selectors to work around a HP
8463 linker bug. ie. We often have addresses like the last case
8464 above where the LR% expression is offset from the RR% one. */
8466 if (hppa_fix
->fx_r_field
== e_lrsel
8467 || hppa_fix
->fx_r_field
== e_rrsel
8468 || hppa_fix
->fx_r_field
== e_nlrsel
)
8471 /* Reject reductions of symbols in DLT relative relocs,
8472 relocations with plabels. */
8473 if (hppa_fix
->fx_r_field
== e_tsel
8474 || hppa_fix
->fx_r_field
== e_ltsel
8475 || hppa_fix
->fx_r_field
== e_rtsel
8476 || hppa_fix
->fx_r_field
== e_psel
8477 || hppa_fix
->fx_r_field
== e_rpsel
8478 || hppa_fix
->fx_r_field
== e_lpsel
)
8481 /* Reject absolute calls (jumps). */
8482 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8485 /* Reject reductions of function symbols. */
8486 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8492 /* Return nonzero if the fixup in FIXP will require a relocation,
8493 even it if appears that the fixup could be completely handled
8497 hppa_force_relocation (fixp
)
8500 struct hppa_fix_struct
*hppa_fixp
;
8502 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8504 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8505 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8506 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8507 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8508 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8509 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8510 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8511 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8515 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8516 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8520 assert (fixp
->fx_addsy
!= NULL
);
8522 /* Ensure we emit a relocation for global symbols so that dynamic
8524 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8527 /* It is necessary to force PC-relative calls/jumps to have a relocation
8528 entry if they're going to need either an argument relocation or long
8531 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8532 hppa_fixp
->fx_arg_reloc
))
8535 /* Now check to see if we're going to need a long-branch stub. */
8536 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8538 long pc
= md_pcrel_from (fixp
);
8539 valueT distance
, min_stub_distance
;
8541 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8543 /* Distance to the closest possible stub. This will detect most
8544 but not all circumstances where a stub will not work. */
8545 min_stub_distance
= pc
+ 16;
8547 if (last_call_info
!= NULL
)
8548 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8551 if ((distance
+ 8388608 >= 16777216
8552 && min_stub_distance
<= 8388608)
8553 || (hppa_fixp
->fx_r_format
== 17
8554 && distance
+ 262144 >= 524288
8555 && min_stub_distance
<= 262144)
8556 || (hppa_fixp
->fx_r_format
== 12
8557 && distance
+ 8192 >= 16384
8558 && min_stub_distance
<= 8192)
8563 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8566 /* No need (yet) to force another relocations to be emitted. */
8570 /* Now for some ELF specific code. FIXME. */
8572 /* Mark the end of a function so that it's possible to compute
8573 the size of the function in elf_hppa_final_processing. */
8576 hppa_elf_mark_end_of_function ()
8578 /* ELF does not have EXIT relocations. All we do is create a
8579 temporary symbol marking the end of the function. */
8582 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8584 /* We have already warned about a missing label,
8585 or other problems. */
8589 name
= (char *) xmalloc (strlen ("L$\001end_")
8590 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8596 strcpy (name
, "L$\001end_");
8597 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8599 /* If we have a .exit followed by a .procend, then the
8600 symbol will have already been defined. */
8601 symbolP
= symbol_find (name
);
8604 /* The symbol has already been defined! This can
8605 happen if we have a .exit followed by a .procend.
8607 This is *not* an error. All we want to do is free
8608 the memory we just allocated for the name and continue. */
8613 /* symbol value should be the offset of the
8614 last instruction of the function */
8615 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8619 S_CLEAR_EXTERNAL (symbolP
);
8620 symbol_table_insert (symbolP
);
8624 last_call_info
->end_symbol
= symbolP
;
8626 as_bad (_("Symbol '%s' could not be created."), name
);
8630 as_bad (_("No memory for symbol name."));
8634 /* For ELF, this function serves one purpose: to setup the st_size
8635 field of STT_FUNC symbols. To do this, we need to scan the
8636 call_info structure list, determining st_size in by taking the
8637 difference in the address of the beginning/end marker symbols. */
8640 elf_hppa_final_processing ()
8642 struct call_info
*call_info_pointer
;
8644 for (call_info_pointer
= call_info_root
;
8646 call_info_pointer
= call_info_pointer
->ci_next
)
8648 elf_symbol_type
*esym
8649 = ((elf_symbol_type
*)
8650 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8651 esym
->internal_elf_sym
.st_size
=
8652 S_GET_VALUE (call_info_pointer
->end_symbol
)
8653 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8658 pa_vtable_entry (ignore
)
8659 int ignore ATTRIBUTE_UNUSED
;
8661 struct fix
*new_fix
;
8663 new_fix
= obj_elf_vtable_entry (0);
8667 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8668 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8669 hppa_fix
->fx_r_type
= R_HPPA
;
8670 hppa_fix
->fx_r_field
= e_fsel
;
8671 hppa_fix
->fx_r_format
= 32;
8672 hppa_fix
->fx_arg_reloc
= 0;
8673 hppa_fix
->segment
= now_seg
;
8674 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8675 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8680 pa_vtable_inherit (ignore
)
8681 int ignore ATTRIBUTE_UNUSED
;
8683 struct fix
*new_fix
;
8685 new_fix
= obj_elf_vtable_inherit (0);
8689 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8690 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8691 hppa_fix
->fx_r_type
= R_HPPA
;
8692 hppa_fix
->fx_r_field
= e_fsel
;
8693 hppa_fix
->fx_r_format
= 32;
8694 hppa_fix
->fx_arg_reloc
= 0;
8695 hppa_fix
->segment
= now_seg
;
8696 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8697 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;