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},
673 {"fill", pa_fill
, 0},
674 {"float", pa_float_cons
, 'f'},
675 {"half", pa_cons
, 2},
676 {"import", pa_import
, 0},
678 {"label", pa_label
, 0},
679 {"lcomm", pa_lcomm
, 0},
680 {"leave", pa_leave
, 0},
681 {"level", pa_level
, 0},
682 {"long", pa_cons
, 4},
683 {"lsym", pa_lsym
, 0},
685 {"nsubspa", pa_subspace
, 1},
687 {"octa", pa_cons
, 16},
688 {"org", pa_origin
, 0},
689 {"origin", pa_origin
, 0},
690 {"param", pa_param
, 0},
691 {"proc", pa_proc
, 0},
692 {"procend", pa_procend
, 0},
693 {"quad", pa_cons
, 8},
695 {"short", pa_cons
, 2},
696 {"single", pa_float_cons
, 'f'},
698 {"space", pa_space
, 0},
699 {"spnum", pa_spnum
, 0},
701 {"string", pa_stringer
, 0},
702 {"stringz", pa_stringer
, 1},
704 {"subspa", pa_subspace
, 0},
706 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
707 {"text", pa_text
, 0},
709 {"version", pa_version
, 0},
711 {"vtable_entry", pa_vtable_entry
, 0},
712 {"vtable_inherit", pa_vtable_inherit
, 0},
714 {"word", pa_cons
, 4},
718 /* This array holds the chars that only start a comment at the beginning of
719 a line. If the line seems to have the form '# 123 filename'
720 .line and .file directives will appear in the pre-processed output.
722 Note that input_file.c hand checks for '#' at the beginning of the
723 first line of the input file. This is because the compiler outputs
724 #NO_APP at the beginning of its output.
726 Also note that C style comments will always work. */
727 const char line_comment_chars
[] = "#";
729 /* This array holds the chars that always start a comment. If the
730 pre-processor is disabled, these aren't very useful. */
731 const char comment_chars
[] = ";";
733 /* This array holds the characters which act as line separators. */
734 const char line_separator_chars
[] = "!";
736 /* Chars that can be used to separate mant from exp in floating point nums. */
737 const char EXP_CHARS
[] = "eE";
739 /* Chars that mean this number is a floating point constant.
740 As in 0f12.456 or 0d1.2345e12.
742 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
743 changed in read.c. Ideally it shouldn't hae to know abou it at
744 all, but nothing is ideal around here. */
745 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
747 static struct pa_it the_insn
;
749 /* Points to the end of an expression just parsed by get_expressoin
750 and friends. FIXME. This shouldn't be handled with a file-global
752 static char *expr_end
;
754 /* Nonzero if a .callinfo appeared within the current procedure. */
755 static int callinfo_found
;
757 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
758 static int within_entry_exit
;
760 /* Nonzero if the assembler is currently within a procedure definition. */
761 static int within_procedure
;
763 /* Handle on structure which keep track of the last symbol
764 seen in each subspace. */
765 static label_symbol_struct
*label_symbols_rootp
= NULL
;
767 /* Holds the last field selector. */
768 static int hppa_field_selector
;
770 /* Nonzero when strict syntax checking is enabled. Zero otherwise.
772 Each opcode in the table has a flag which indicates whether or not
773 strict syntax checking should be enabled for that instruction. */
774 static int strict
= 0;
776 /* pa_parse_number returns values in `pa_number'. Mostly
777 pa_parse_number is used to return a register number, with floating
778 point registers being numbered from FP_REG_BASE upwards.
779 The bit specified with FP_REG_RSEL is set if the floating point
780 register has a `r' suffix. */
781 #define FP_REG_BASE 64
782 #define FP_REG_RSEL 128
783 static int pa_number
;
786 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
787 static symbolS
*dummy_symbol
;
790 /* Nonzero if errors are to be printed. */
791 static int print_errors
= 1;
793 /* List of registers that are pre-defined:
795 Each general register has one predefined name of the form
796 %r<REGNUM> which has the value <REGNUM>.
798 Space and control registers are handled in a similar manner,
799 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
801 Likewise for the floating point registers, but of the form
802 %fr<REGNUM>. Floating point registers have additional predefined
803 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
804 again have the value <REGNUM>.
806 Many registers also have synonyms:
808 %r26 - %r23 have %arg0 - %arg3 as synonyms
809 %r28 - %r29 have %ret0 - %ret1 as synonyms
810 %r30 has %sp as a synonym
811 %r27 has %dp as a synonym
812 %r2 has %rp as a synonym
814 Almost every control register has a synonym; they are not listed
817 The table is sorted. Suitable for searching by a binary search. */
819 static const struct pd_reg pre_defined_registers
[] =
853 {"%fr0", 0 + FP_REG_BASE
},
854 {"%fr0l", 0 + FP_REG_BASE
},
855 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
856 {"%fr1", 1 + FP_REG_BASE
},
857 {"%fr10", 10 + FP_REG_BASE
},
858 {"%fr10l", 10 + FP_REG_BASE
},
859 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
860 {"%fr11", 11 + FP_REG_BASE
},
861 {"%fr11l", 11 + FP_REG_BASE
},
862 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
863 {"%fr12", 12 + FP_REG_BASE
},
864 {"%fr12l", 12 + FP_REG_BASE
},
865 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
866 {"%fr13", 13 + FP_REG_BASE
},
867 {"%fr13l", 13 + FP_REG_BASE
},
868 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
869 {"%fr14", 14 + FP_REG_BASE
},
870 {"%fr14l", 14 + FP_REG_BASE
},
871 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
872 {"%fr15", 15 + FP_REG_BASE
},
873 {"%fr15l", 15 + FP_REG_BASE
},
874 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
875 {"%fr16", 16 + FP_REG_BASE
},
876 {"%fr16l", 16 + FP_REG_BASE
},
877 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
878 {"%fr17", 17 + FP_REG_BASE
},
879 {"%fr17l", 17 + FP_REG_BASE
},
880 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
881 {"%fr18", 18 + FP_REG_BASE
},
882 {"%fr18l", 18 + FP_REG_BASE
},
883 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
884 {"%fr19", 19 + FP_REG_BASE
},
885 {"%fr19l", 19 + FP_REG_BASE
},
886 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
887 {"%fr1l", 1 + FP_REG_BASE
},
888 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
889 {"%fr2", 2 + FP_REG_BASE
},
890 {"%fr20", 20 + FP_REG_BASE
},
891 {"%fr20l", 20 + FP_REG_BASE
},
892 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
893 {"%fr21", 21 + FP_REG_BASE
},
894 {"%fr21l", 21 + FP_REG_BASE
},
895 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
896 {"%fr22", 22 + FP_REG_BASE
},
897 {"%fr22l", 22 + FP_REG_BASE
},
898 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
899 {"%fr23", 23 + FP_REG_BASE
},
900 {"%fr23l", 23 + FP_REG_BASE
},
901 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
902 {"%fr24", 24 + FP_REG_BASE
},
903 {"%fr24l", 24 + FP_REG_BASE
},
904 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
905 {"%fr25", 25 + FP_REG_BASE
},
906 {"%fr25l", 25 + FP_REG_BASE
},
907 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
908 {"%fr26", 26 + FP_REG_BASE
},
909 {"%fr26l", 26 + FP_REG_BASE
},
910 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
911 {"%fr27", 27 + FP_REG_BASE
},
912 {"%fr27l", 27 + FP_REG_BASE
},
913 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
914 {"%fr28", 28 + FP_REG_BASE
},
915 {"%fr28l", 28 + FP_REG_BASE
},
916 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
917 {"%fr29", 29 + FP_REG_BASE
},
918 {"%fr29l", 29 + FP_REG_BASE
},
919 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
920 {"%fr2l", 2 + FP_REG_BASE
},
921 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
922 {"%fr3", 3 + FP_REG_BASE
},
923 {"%fr30", 30 + FP_REG_BASE
},
924 {"%fr30l", 30 + FP_REG_BASE
},
925 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
926 {"%fr31", 31 + FP_REG_BASE
},
927 {"%fr31l", 31 + FP_REG_BASE
},
928 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
929 {"%fr3l", 3 + FP_REG_BASE
},
930 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
931 {"%fr4", 4 + FP_REG_BASE
},
932 {"%fr4l", 4 + FP_REG_BASE
},
933 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
934 {"%fr5", 5 + FP_REG_BASE
},
935 {"%fr5l", 5 + FP_REG_BASE
},
936 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
937 {"%fr6", 6 + FP_REG_BASE
},
938 {"%fr6l", 6 + FP_REG_BASE
},
939 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
940 {"%fr7", 7 + FP_REG_BASE
},
941 {"%fr7l", 7 + FP_REG_BASE
},
942 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
943 {"%fr8", 8 + FP_REG_BASE
},
944 {"%fr8l", 8 + FP_REG_BASE
},
945 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
946 {"%fr9", 9 + FP_REG_BASE
},
947 {"%fr9l", 9 + FP_REG_BASE
},
948 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
956 #if TARGET_ARCH_SIZE == 64
1024 /* This table is sorted by order of the length of the string. This is
1025 so we check for <> before we check for <. If we had a <> and checked
1026 for < first, we would get a false match. */
1027 static const struct fp_cond_map fp_cond_map
[] =
1063 static const struct selector_entry selector_table
[] =
1088 /* default space and subspace dictionaries */
1090 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1091 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1093 /* pre-defined subsegments (subspaces) for the HPPA. */
1094 #define SUBSEG_CODE 0
1095 #define SUBSEG_LIT 1
1096 #define SUBSEG_MILLI 2
1097 #define SUBSEG_DATA 0
1098 #define SUBSEG_BSS 2
1099 #define SUBSEG_UNWIND 3
1100 #define SUBSEG_GDB_STRINGS 0
1101 #define SUBSEG_GDB_SYMBOLS 1
1103 static struct default_subspace_dict pa_def_subspaces
[] =
1105 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
1106 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
1107 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
1108 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
1109 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
1110 {NULL
, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1113 static struct default_space_dict pa_def_spaces
[] =
1115 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
1116 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
1117 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
1120 /* Misc local definitions used by the assembler. */
1122 /* These macros are used to maintain spaces/subspaces. */
1123 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1124 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1125 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1126 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1128 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1129 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1132 /* Return nonzero if the string pointed to by S potentially represents
1133 a right or left half of a FP register */
1134 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1135 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1137 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1138 main loop after insertion. */
1140 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1142 ((OPCODE) |= (FIELD) << (START)); \
1146 /* Simple range checking for FIELD againt HIGH and LOW bounds.
1147 IGNORE is used to suppress the error message. */
1149 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1151 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1154 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1160 /* Variant of CHECK_FIELD for use in md_apply_fix3 and other places where
1161 the current file and line number are not valid. */
1163 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1165 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1167 as_bad_where ((FILENAME), (LINE), \
1168 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1174 /* Simple alignment checking for FIELD againt ALIGN (a power of two).
1175 IGNORE is used to suppress the error message. */
1177 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1179 if ((FIELD) & ((ALIGN) - 1)) \
1182 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1188 #define is_DP_relative(exp) \
1189 ((exp).X_op == O_subtract \
1190 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1192 #define is_PC_relative(exp) \
1193 ((exp).X_op == O_subtract \
1194 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1196 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1197 always be able to reduce the expression to a constant, so we don't
1198 need real complex handling yet. */
1199 #define is_complex(exp) \
1200 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1202 /* Actual functions to implement the PA specific code for the assembler. */
1204 /* Called before writing the object file. Make sure entry/exit and
1205 proc/procend pairs match. */
1210 if (within_entry_exit
)
1211 as_fatal (_("Missing .exit\n"));
1213 if (within_procedure
)
1214 as_fatal (_("Missing .procend\n"));
1217 /* Returns a pointer to the label_symbol_struct for the current space.
1218 or NULL if no label_symbol_struct exists for the current space. */
1220 static label_symbol_struct
*
1223 label_symbol_struct
*label_chain
;
1225 for (label_chain
= label_symbols_rootp
;
1227 label_chain
= label_chain
->lss_next
)
1230 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1234 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1242 /* Defines a label for the current space. If one is already defined,
1243 this function will replace it with the new label. */
1246 pa_define_label (symbol
)
1249 label_symbol_struct
*label_chain
= pa_get_label ();
1252 label_chain
->lss_label
= symbol
;
1255 /* Create a new label entry and add it to the head of the chain. */
1257 = (label_symbol_struct
*) xmalloc (sizeof (label_symbol_struct
));
1258 label_chain
->lss_label
= symbol
;
1260 label_chain
->lss_space
= current_space
;
1263 label_chain
->lss_segment
= now_seg
;
1265 label_chain
->lss_next
= NULL
;
1267 if (label_symbols_rootp
)
1268 label_chain
->lss_next
= label_symbols_rootp
;
1270 label_symbols_rootp
= label_chain
;
1274 /* Removes a label definition for the current space.
1275 If there is no label_symbol_struct entry, then no action is taken. */
1278 pa_undefine_label ()
1280 label_symbol_struct
*label_chain
;
1281 label_symbol_struct
*prev_label_chain
= NULL
;
1283 for (label_chain
= label_symbols_rootp
;
1285 label_chain
= label_chain
->lss_next
)
1289 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1292 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1296 /* Remove the label from the chain and free its memory. */
1297 if (prev_label_chain
)
1298 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1300 label_symbols_rootp
= label_chain
->lss_next
;
1305 prev_label_chain
= label_chain
;
1309 /* An HPPA-specific version of fix_new. This is required because the HPPA
1310 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1311 results in the creation of an instance of an hppa_fix_struct. An
1312 hppa_fix_struct stores the extra information along with a pointer to the
1313 original fixS. This is attached to the original fixup via the
1314 tc_fix_data field. */
1317 fix_new_hppa (frag
, where
, size
, add_symbol
, offset
, exp
, pcrel
,
1318 r_type
, r_field
, r_format
, arg_reloc
, unwind_bits
)
1322 symbolS
*add_symbol
;
1326 bfd_reloc_code_real_type r_type
;
1327 enum hppa_reloc_field_selector_type_alt r_field
;
1329 unsigned int arg_reloc
;
1330 int unwind_bits ATTRIBUTE_UNUSED
;
1334 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
1335 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1338 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1340 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1341 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1342 hppa_fix
->fx_r_type
= r_type
;
1343 hppa_fix
->fx_r_field
= r_field
;
1344 hppa_fix
->fx_r_format
= r_format
;
1345 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1346 hppa_fix
->segment
= now_seg
;
1348 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1349 new_fix
->fx_offset
= unwind_bits
;
1352 /* foo-$global$ is used to access non-automatic storage. $global$
1353 is really just a marker and has served its purpose, so eliminate
1354 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1355 if (new_fix
->fx_subsy
1356 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1357 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0))
1358 new_fix
->fx_subsy
= NULL
;
1361 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1362 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1365 parse_cons_expression_hppa (exp
)
1368 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
1372 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1373 hppa_field_selector is set by the parse_cons_expression_hppa. */
1376 cons_fix_new_hppa (frag
, where
, size
, exp
)
1382 unsigned int rel_type
;
1384 /* Get a base relocation type. */
1385 if (is_DP_relative (*exp
))
1386 rel_type
= R_HPPA_GOTOFF
;
1387 else if (is_complex (*exp
))
1388 rel_type
= R_HPPA_COMPLEX
;
1392 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1394 as_warn (_("Invalid field selector. Assuming F%%."));
1395 hppa_field_selector
= e_fsel
;
1398 fix_new_hppa (frag
, where
, size
,
1399 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1400 hppa_field_selector
, size
* 8, 0, 0);
1402 /* Reset field selector to its default state. */
1403 hppa_field_selector
= 0;
1406 /* This function is called once, at assembler startup time. It should
1407 set up all the tables, etc. that the MD part of the assembler will need. */
1412 const char *retval
= NULL
;
1416 last_call_info
= NULL
;
1417 call_info_root
= NULL
;
1419 /* Set the default machine type. */
1420 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
1421 as_warn (_("could not set architecture and machine"));
1423 /* Folding of text and data segments fails miserably on the PA.
1424 Warn user and disable "-R" option. */
1425 if (flag_readonly_data_in_text
)
1427 as_warn (_("-R option not supported on this target."));
1428 flag_readonly_data_in_text
= 0;
1435 op_hash
= hash_new ();
1437 while (i
< NUMOPCODES
)
1439 const char *name
= pa_opcodes
[i
].name
;
1440 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
1441 if (retval
!= NULL
&& *retval
!= '\0')
1443 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
1448 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
1449 != pa_opcodes
[i
].match
)
1451 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
1452 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
1457 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
1461 as_fatal (_("Broken assembler. No assembly attempted."));
1464 /* SOM will change text_section. To make sure we never put
1465 anything into the old one switch to the new one now. */
1466 subseg_set (text_section
, 0);
1470 dummy_symbol
= symbol_find_or_make ("L$dummy");
1471 S_SET_SEGMENT (dummy_symbol
, text_section
);
1472 /* Force the symbol to be converted to a real symbol. */
1473 (void) symbol_get_bfdsym (dummy_symbol
);
1477 /* Assemble a single instruction storing it into a frag. */
1484 /* The had better be something to assemble. */
1487 /* If we are within a procedure definition, make sure we've
1488 defined a label for the procedure; handle case where the
1489 label was defined after the .PROC directive.
1491 Note there's not need to diddle with the segment or fragment
1492 for the label symbol in this case. We have already switched
1493 into the new $CODE$ subspace at this point. */
1494 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
1496 label_symbol_struct
*label_symbol
= pa_get_label ();
1500 if (label_symbol
->lss_label
)
1502 last_call_info
->start_symbol
= label_symbol
->lss_label
;
1503 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
1506 /* Also handle allocation of a fixup to hold the unwind
1507 information when the label appears after the proc/procend. */
1508 if (within_entry_exit
)
1513 where
= frag_more (0);
1514 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
1515 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
1516 NULL
, (offsetT
) 0, NULL
,
1517 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
1522 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1525 as_bad (_("Missing function name for .PROC"));
1528 /* Assemble the instruction. Results are saved into "the_insn". */
1531 /* Get somewhere to put the assembled instrution. */
1534 /* Output the opcode. */
1535 md_number_to_chars (to
, the_insn
.opcode
, 4);
1537 /* If necessary output more stuff. */
1538 if (the_insn
.reloc
!= R_HPPA_NONE
)
1539 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
1540 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
1541 the_insn
.reloc
, the_insn
.field_selector
,
1542 the_insn
.format
, the_insn
.arg_reloc
, 0);
1545 dwarf2_emit_insn (4);
1549 /* Do the real work for assembling a single instruction. Store results
1550 into the global "the_insn" variable. */
1556 char *error_message
= "";
1557 char *s
, c
, *argstart
, *name
, *save_s
;
1561 int cmpltr
, nullif
, flag
, cond
, num
;
1562 unsigned long opcode
;
1563 struct pa_opcode
*insn
;
1566 /* We must have a valid space and subspace. */
1567 pa_check_current_space_and_subspace ();
1570 /* Convert everything up to the first whitespace character into lower
1572 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
1575 /* Skip to something interesting. */
1577 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
1597 as_fatal (_("Unknown opcode: `%s'"), str
);
1600 /* Look up the opcode in the has table. */
1601 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
1603 as_bad ("Unknown opcode: `%s'", str
);
1612 /* Mark the location where arguments for the instruction start, then
1613 start processing them. */
1617 /* Do some initialization. */
1618 opcode
= insn
->match
;
1619 strict
= (insn
->flags
& FLAG_STRICT
);
1620 memset (&the_insn
, 0, sizeof (the_insn
));
1622 the_insn
.reloc
= R_HPPA_NONE
;
1624 /* If this instruction is specific to a particular architecture,
1625 then set a new architecture. */
1626 /* But do not automatically promote to pa2.0. The automatic promotion
1627 crud is for compatability with HP's old assemblers only. */
1629 && bfd_get_mach (stdoutput
) < insn
->arch
)
1631 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
1632 as_warn (_("could not update architecture and machine"));
1634 else if (bfd_get_mach (stdoutput
) < insn
->arch
)
1640 /* Build the opcode, checking as we go to make
1641 sure that the operands match. */
1642 for (args
= insn
->args
;; ++args
)
1644 /* Absorb white space in instruction. */
1645 while (*s
== ' ' || *s
== '\t')
1651 /* End of arguments. */
1667 /* These must match exactly. */
1676 /* Handle a 5 bit register or control register field at 10. */
1679 if (!pa_parse_number (&s
, 0))
1682 CHECK_FIELD (num
, 31, 0, 0);
1683 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1685 /* Handle %sar or %cr11. No bits get set, we just verify that it
1688 /* Skip whitespace before register. */
1689 while (*s
== ' ' || *s
== '\t')
1692 if (!strncasecmp (s
, "%sar", 4))
1697 else if (!strncasecmp (s
, "%cr11", 5))
1704 /* Handle a 5 bit register field at 15. */
1706 if (!pa_parse_number (&s
, 0))
1709 CHECK_FIELD (num
, 31, 0, 0);
1710 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1712 /* Handle a 5 bit register field at 31. */
1714 if (!pa_parse_number (&s
, 0))
1717 CHECK_FIELD (num
, 31, 0, 0);
1718 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1720 /* Handle a 5 bit register field at 10 and 15. */
1722 if (!pa_parse_number (&s
, 0))
1725 CHECK_FIELD (num
, 31, 0, 0);
1726 opcode
|= num
<< 16;
1727 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
1729 /* Handle a 5 bit field length at 31. */
1731 num
= pa_get_absolute_expression (&the_insn
, &s
);
1732 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1735 CHECK_FIELD (num
, 32, 1, 0);
1736 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
1738 /* Handle a 5 bit immediate at 15. */
1740 num
= pa_get_absolute_expression (&the_insn
, &s
);
1741 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1744 /* When in strict mode, we want to just reject this
1745 match instead of giving an out of range error. */
1746 CHECK_FIELD (num
, 15, -16, strict
);
1747 num
= low_sign_unext (num
, 5);
1748 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1750 /* Handle a 5 bit immediate at 31. */
1752 num
= pa_get_absolute_expression (&the_insn
, &s
);
1753 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1756 /* When in strict mode, we want to just reject this
1757 match instead of giving an out of range error. */
1758 CHECK_FIELD (num
, 15, -16, strict
);
1759 num
= low_sign_unext (num
, 5);
1760 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1762 /* Handle an unsigned 5 bit immediate at 31. */
1764 num
= pa_get_absolute_expression (&the_insn
, &s
);
1765 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1768 CHECK_FIELD (num
, 31, 0, strict
);
1769 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
1771 /* Handle an unsigned 5 bit immediate at 15. */
1773 num
= pa_get_absolute_expression (&the_insn
, &s
);
1774 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1777 CHECK_FIELD (num
, 31, 0, strict
);
1778 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1780 /* Handle an unsigned 10 bit immediate at 15. */
1782 num
= pa_get_absolute_expression (&the_insn
, &s
);
1783 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
1786 CHECK_FIELD (num
, 1023, 0, strict
);
1787 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
1789 /* Handle a 2 bit space identifier at 17. */
1791 if (!pa_parse_number (&s
, 0))
1794 CHECK_FIELD (num
, 3, 0, 1);
1795 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
1797 /* Handle a 3 bit space identifier at 18. */
1799 if (!pa_parse_number (&s
, 0))
1802 CHECK_FIELD (num
, 7, 0, 1);
1803 opcode
|= re_assemble_3 (num
);
1806 /* Handle all completers. */
1811 /* Handle a completer for an indexing load or store. */
1818 while (*s
== ',' && i
< 2)
1821 if (strncasecmp (s
, "sm", 2) == 0)
1828 else if (strncasecmp (s
, "m", 1) == 0)
1830 else if ((strncasecmp (s
, "s ", 2) == 0)
1831 || (strncasecmp (s
, "s,", 2) == 0))
1833 /* When in strict mode this is a match failure. */
1840 as_bad (_("Invalid Indexed Load Completer."));
1845 as_bad (_("Invalid Indexed Load Completer Syntax."));
1847 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
1850 /* Handle a short load/store completer. */
1863 if (strncasecmp (s
, "ma", 2) == 0)
1869 else if (strncasecmp (s
, "mb", 2) == 0)
1876 /* When in strict mode, pass through for cache op. */
1877 if (!found
&& strict
)
1882 as_bad (_("Invalid Short Load/Store Completer."));
1886 /* If we did not get a ma/mb completer, then we do not
1887 consider this a positive match for 'ce'. */
1888 else if (*args
== 'e')
1891 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1892 encode the before/after field. */
1893 if (*args
== 'm' || *args
== 'M')
1896 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1898 else if (*args
== 'q')
1901 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1903 else if (*args
== 'J')
1905 /* M bit is explicit in the major opcode. */
1906 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
1908 else if (*args
== 'e')
1910 /* Stash the ma/mb flag temporarily in the
1911 instruction. We will use (and remove it)
1912 later when handling 'J', 'K', '<' & '>'. */
1918 /* Handle a stbys completer. */
1925 while (*s
== ',' && i
< 2)
1928 if (strncasecmp (s
, "m", 1) == 0)
1930 else if ((strncasecmp (s
, "b ", 2) == 0)
1931 || (strncasecmp (s
, "b,", 2) == 0))
1933 else if (strncasecmp (s
, "e", 1) == 0)
1935 /* When in strict mode this is a match failure. */
1942 as_bad (_("Invalid Store Bytes Short Completer"));
1947 as_bad (_("Invalid Store Bytes Short Completer"));
1949 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
1952 /* Handle load cache hint completer. */
1955 if (!strncmp (s
, ",sl", 3))
1960 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1962 /* Handle store cache hint completer. */
1965 if (!strncmp (s
, ",sl", 3))
1970 else if (!strncmp (s
, ",bc", 3))
1975 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1977 /* Handle load and clear cache hint completer. */
1980 if (!strncmp (s
, ",co", 3))
1985 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
1987 /* Handle load ordering completer. */
1989 if (strncmp (s
, ",o", 2) != 0)
1994 /* Handle a branch gate completer. */
1996 if (strncasecmp (s
, ",gate", 5) != 0)
2001 /* Handle a branch link and push completer. */
2003 if (strncasecmp (s
, ",l,push", 7) != 0)
2008 /* Handle a branch link completer. */
2010 if (strncasecmp (s
, ",l", 2) != 0)
2015 /* Handle a branch pop completer. */
2017 if (strncasecmp (s
, ",pop", 4) != 0)
2022 /* Handle a local processor completer. */
2024 if (strncasecmp (s
, ",l", 2) != 0)
2029 /* Handle a PROBE read/write completer. */
2032 if (!strncasecmp (s
, ",w", 2))
2037 else if (!strncasecmp (s
, ",r", 2))
2043 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2045 /* Handle MFCTL wide completer. */
2047 if (strncasecmp (s
, ",w", 2) != 0)
2052 /* Handle an RFI restore completer. */
2055 if (!strncasecmp (s
, ",r", 2))
2061 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2063 /* Handle a system control completer. */
2065 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
2073 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
2075 /* Handle intermediate/final completer for DCOR. */
2078 if (!strncasecmp (s
, ",i", 2))
2084 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2086 /* Handle zero/sign extension completer. */
2089 if (!strncasecmp (s
, ",z", 2))
2095 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2097 /* Handle add completer. */
2100 if (!strncasecmp (s
, ",l", 2))
2105 else if (!strncasecmp (s
, ",tsv", 4))
2111 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
2113 /* Handle 64 bit carry for ADD. */
2116 if (!strncasecmp (s
, ",dc,tsv", 7) ||
2117 !strncasecmp (s
, ",tsv,dc", 7))
2122 else if (!strncasecmp (s
, ",dc", 3))
2130 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2132 /* Handle 32 bit carry for ADD. */
2135 if (!strncasecmp (s
, ",c,tsv", 6) ||
2136 !strncasecmp (s
, ",tsv,c", 6))
2141 else if (!strncasecmp (s
, ",c", 2))
2149 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2151 /* Handle trap on signed overflow. */
2154 if (!strncasecmp (s
, ",tsv", 4))
2160 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2162 /* Handle trap on condition and overflow. */
2165 if (!strncasecmp (s
, ",tc,tsv", 7) ||
2166 !strncasecmp (s
, ",tsv,tc", 7))
2171 else if (!strncasecmp (s
, ",tc", 3))
2179 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2181 /* Handle 64 bit borrow for SUB. */
2184 if (!strncasecmp (s
, ",db,tsv", 7) ||
2185 !strncasecmp (s
, ",tsv,db", 7))
2190 else if (!strncasecmp (s
, ",db", 3))
2198 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2200 /* Handle 32 bit borrow for SUB. */
2203 if (!strncasecmp (s
, ",b,tsv", 6) ||
2204 !strncasecmp (s
, ",tsv,b", 6))
2209 else if (!strncasecmp (s
, ",b", 2))
2217 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
2219 /* Handle trap condition completer for UADDCM. */
2222 if (!strncasecmp (s
, ",tc", 3))
2228 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
2230 /* Handle signed/unsigned at 21. */
2234 if (strncasecmp (s
, ",s", 2) == 0)
2239 else if (strncasecmp (s
, ",u", 2) == 0)
2245 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
2248 /* Handle left/right combination at 17:18. */
2258 as_bad (_("Invalid left/right combination completer"));
2261 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
2264 as_bad (_("Invalid left/right combination completer"));
2267 /* Handle saturation at 24:25. */
2271 if (strncasecmp (s
, ",ss", 3) == 0)
2276 else if (strncasecmp (s
, ",us", 3) == 0)
2282 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
2285 /* Handle permutation completer. */
2313 as_bad (_("Invalid permutation completer"));
2315 opcode
|= perm
<< permloc
[i
];
2320 as_bad (_("Invalid permutation completer"));
2328 /* Handle all conditions. */
2334 /* Handle FP compare conditions. */
2336 cond
= pa_parse_fp_cmp_cond (&s
);
2337 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
2339 /* Handle an add condition. */
2348 /* 64 bit conditions. */
2361 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2365 if (strcmp (name
, "=") == 0)
2367 else if (strcmp (name
, "<") == 0)
2369 else if (strcmp (name
, "<=") == 0)
2371 else if (strcasecmp (name
, "nuv") == 0)
2373 else if (strcasecmp (name
, "znv") == 0)
2375 else if (strcasecmp (name
, "sv") == 0)
2377 else if (strcasecmp (name
, "od") == 0)
2379 else if (strcasecmp (name
, "tr") == 0)
2384 else if (strcmp (name
, "<>") == 0)
2389 else if (strcmp (name
, ">=") == 0)
2394 else if (strcmp (name
, ">") == 0)
2399 else if (strcasecmp (name
, "uv") == 0)
2404 else if (strcasecmp (name
, "vnz") == 0)
2409 else if (strcasecmp (name
, "nsv") == 0)
2414 else if (strcasecmp (name
, "ev") == 0)
2419 /* ",*" is a valid condition. */
2420 else if (*args
== 'a')
2421 as_bad (_("Invalid Add Condition: %s"), name
);
2424 opcode
|= cmpltr
<< 13;
2425 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2427 /* Handle non-negated add and branch condition. */
2429 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2432 as_bad (_("Invalid Add and Branch Condition"));
2435 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2437 /* Handle 64 bit wide-mode add and branch condition. */
2439 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
2442 as_bad (_("Invalid Add and Branch Condition"));
2447 /* Negated condition requires an opcode change. */
2448 opcode
|= (cmpltr
& 8) << 24;
2450 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2452 /* Handle a negated or non-negated add and branch
2456 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
2460 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
2463 as_bad (_("Invalid Compare/Subtract Condition"));
2468 /* Negated condition requires an opcode change. */
2472 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2474 /* Handle branch on bit conditions. */
2492 if (strncmp (s
, "<", 1) == 0)
2497 else if (strncmp (s
, ">=", 2) == 0)
2503 as_bad (_("Invalid Bit Branch Condition: %c"), *s
);
2505 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
2507 /* Handle a compare/subtract condition. */
2516 /* 64 bit conditions. */
2529 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2533 if (strcmp (name
, "=") == 0)
2535 else if (strcmp (name
, "<") == 0)
2537 else if (strcmp (name
, "<=") == 0)
2539 else if (strcasecmp (name
, "<<") == 0)
2541 else if (strcasecmp (name
, "<<=") == 0)
2543 else if (strcasecmp (name
, "sv") == 0)
2545 else if (strcasecmp (name
, "od") == 0)
2547 else if (strcasecmp (name
, "tr") == 0)
2552 else if (strcmp (name
, "<>") == 0)
2557 else if (strcmp (name
, ">=") == 0)
2562 else if (strcmp (name
, ">") == 0)
2567 else if (strcasecmp (name
, ">>=") == 0)
2572 else if (strcasecmp (name
, ">>") == 0)
2577 else if (strcasecmp (name
, "nsv") == 0)
2582 else if (strcasecmp (name
, "ev") == 0)
2587 /* ",*" is a valid condition. */
2588 else if (*args
!= 'S')
2589 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2593 opcode
|= cmpltr
<< 13;
2594 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2596 /* Handle a non-negated compare condition. */
2598 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2601 as_bad (_("Invalid Compare/Subtract Condition"));
2604 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2606 /* Handle a 32 bit compare and branch condition. */
2609 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
2613 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
2616 as_bad (_("Invalid Compare and Branch Condition"));
2621 /* Negated condition requires an opcode change. */
2626 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2628 /* Handle a 64 bit compare and branch condition. */
2630 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
2633 /* Negated condition requires an opcode change. */
2634 opcode
|= (cmpltr
& 8) << 26;
2637 /* Not a 64 bit cond. Give 32 bit a chance. */
2640 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
2642 /* Handle a 64 bit cmpib condition. */
2644 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
2646 /* Not a 64 bit cond. Give 32 bit a chance. */
2649 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2651 /* Handle a logical instruction condition. */
2660 /* 64 bit conditions. */
2672 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2677 if (strcmp (name
, "=") == 0)
2679 else if (strcmp (name
, "<") == 0)
2681 else if (strcmp (name
, "<=") == 0)
2683 else if (strcasecmp (name
, "od") == 0)
2685 else if (strcasecmp (name
, "tr") == 0)
2690 else if (strcmp (name
, "<>") == 0)
2695 else if (strcmp (name
, ">=") == 0)
2700 else if (strcmp (name
, ">") == 0)
2705 else if (strcasecmp (name
, "ev") == 0)
2710 /* ",*" is a valid condition. */
2711 else if (*args
!= 'L')
2712 as_bad (_("Invalid Logical Instruction Condition."));
2715 opcode
|= cmpltr
<< 13;
2716 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2718 /* Handle a shift/extract/deposit condition. */
2727 /* 64 bit conditions. */
2739 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2743 if (strcmp (name
, "=") == 0)
2745 else if (strcmp (name
, "<") == 0)
2747 else if (strcasecmp (name
, "od") == 0)
2749 else if (strcasecmp (name
, "tr") == 0)
2751 else if (strcmp (name
, "<>") == 0)
2753 else if (strcmp (name
, ">=") == 0)
2755 else if (strcasecmp (name
, "ev") == 0)
2757 /* Handle movb,n. Put things back the way they were.
2758 This includes moving s back to where it started. */
2759 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
2765 /* ",*" is a valid condition. */
2766 else if (*args
!= 'X')
2767 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2770 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
2772 /* Handle a unit instruction condition. */
2781 /* 64 bit conditions. */
2792 if (strncasecmp (s
, "sbz", 3) == 0)
2797 else if (strncasecmp (s
, "shz", 3) == 0)
2802 else if (strncasecmp (s
, "sdc", 3) == 0)
2807 else if (strncasecmp (s
, "sbc", 3) == 0)
2812 else if (strncasecmp (s
, "shc", 3) == 0)
2817 else if (strncasecmp (s
, "tr", 2) == 0)
2823 else if (strncasecmp (s
, "nbz", 3) == 0)
2829 else if (strncasecmp (s
, "nhz", 3) == 0)
2835 else if (strncasecmp (s
, "ndc", 3) == 0)
2841 else if (strncasecmp (s
, "nbc", 3) == 0)
2847 else if (strncasecmp (s
, "nhc", 3) == 0)
2853 else if (strncasecmp (s
, "swz", 3) == 0)
2859 else if (strncasecmp (s
, "swc", 3) == 0)
2865 else if (strncasecmp (s
, "nwz", 3) == 0)
2871 else if (strncasecmp (s
, "nwc", 3) == 0)
2877 /* ",*" is a valid condition. */
2878 else if (*args
!= 'U')
2879 as_bad (_("Invalid Unit Instruction Condition."));
2881 opcode
|= cmpltr
<< 13;
2882 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
2890 /* Handle a nullification completer for branch instructions. */
2892 nullif
= pa_parse_nullif (&s
);
2893 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
2895 /* Handle a nullification completer for copr and spop insns. */
2897 nullif
= pa_parse_nullif (&s
);
2898 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
2900 /* Handle ,%r2 completer for new syntax branches. */
2902 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
2904 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
2910 /* Handle 3 bit entry into the fp compare array. Valid values
2911 are 0..6 inclusive. */
2915 if (the_insn
.exp
.X_op
== O_constant
)
2917 num
= evaluate_absolute (&the_insn
);
2918 CHECK_FIELD (num
, 6, 0, 0);
2920 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2925 /* Handle 3 bit entry into the fp compare array. Valid values
2926 are 0..6 inclusive. */
2929 if (the_insn
.exp
.X_op
== O_constant
)
2932 num
= evaluate_absolute (&the_insn
);
2933 CHECK_FIELD (num
, 6, 0, 0);
2934 num
= (num
+ 1) ^ 1;
2935 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
2940 /* Handle graphics test completers for ftest */
2943 num
= pa_parse_ftest_gfx_completer (&s
);
2944 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2947 /* Handle a 11 bit immediate at 31. */
2949 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2952 if (the_insn
.exp
.X_op
== O_constant
)
2954 num
= evaluate_absolute (&the_insn
);
2955 CHECK_FIELD (num
, 1023, -1024, 0);
2956 num
= low_sign_unext (num
, 11);
2957 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2961 if (is_DP_relative (the_insn
.exp
))
2962 the_insn
.reloc
= R_HPPA_GOTOFF
;
2963 else if (is_PC_relative (the_insn
.exp
))
2964 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
2966 the_insn
.reloc
= R_HPPA
;
2967 the_insn
.format
= 11;
2971 /* Handle a 14 bit immediate at 31. */
2973 the_insn
.field_selector
= pa_chk_field_selector (&s
);
2976 if (the_insn
.exp
.X_op
== O_constant
)
2980 /* XXX the completer stored away tidbits of information
2981 for us to extract. We need a cleaner way to do this.
2982 Now that we have lots of letters again, it would be
2983 good to rethink this. */
2986 num
= evaluate_absolute (&the_insn
);
2987 if (mb
!= (num
< 0))
2989 CHECK_FIELD (num
, 8191, -8192, 0);
2990 num
= low_sign_unext (num
, 14);
2991 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
2995 /* Handle a 14 bit immediate at 31. */
2997 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3000 if (the_insn
.exp
.X_op
== O_constant
)
3006 num
= evaluate_absolute (&the_insn
);
3007 if (mb
== (num
< 0))
3011 CHECK_FIELD (num
, 8191, -8192, 0);
3012 num
= low_sign_unext (num
, 14);
3013 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3017 /* Handle a 16 bit immediate at 31. */
3019 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3022 if (the_insn
.exp
.X_op
== O_constant
)
3028 num
= evaluate_absolute (&the_insn
);
3029 if (mb
!= (num
< 0))
3031 CHECK_FIELD (num
, 32767, -32768, 0);
3032 num
= re_assemble_16 (num
);
3033 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3037 /* Handle a 16 bit immediate at 31. */
3039 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3042 if (the_insn
.exp
.X_op
== O_constant
)
3048 num
= evaluate_absolute (&the_insn
);
3049 if (mb
== (num
< 0))
3053 CHECK_FIELD (num
, 32767, -32768, 0);
3054 num
= re_assemble_16 (num
);
3055 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3059 /* Handle 14 bit immediate, shifted left three times. */
3061 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3064 if (the_insn
.exp
.X_op
== O_constant
)
3066 num
= evaluate_absolute (&the_insn
);
3069 CHECK_FIELD (num
, 8191, -8192, 0);
3074 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
3078 if (is_DP_relative (the_insn
.exp
))
3079 the_insn
.reloc
= R_HPPA_GOTOFF
;
3080 else if (is_PC_relative (the_insn
.exp
))
3081 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3083 the_insn
.reloc
= R_HPPA
;
3084 the_insn
.format
= 14;
3089 /* Handle 14 bit immediate, shifted left twice. */
3091 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3094 if (the_insn
.exp
.X_op
== O_constant
)
3096 num
= evaluate_absolute (&the_insn
);
3099 CHECK_FIELD (num
, 8191, -8192, 0);
3104 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3108 if (is_DP_relative (the_insn
.exp
))
3109 the_insn
.reloc
= R_HPPA_GOTOFF
;
3110 else if (is_PC_relative (the_insn
.exp
))
3111 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3113 the_insn
.reloc
= R_HPPA
;
3114 the_insn
.format
= 14;
3118 /* Handle a 14 bit immediate at 31. */
3120 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3123 if (the_insn
.exp
.X_op
== O_constant
)
3125 num
= evaluate_absolute (&the_insn
);
3126 CHECK_FIELD (num
, 8191, -8192, 0);
3127 num
= low_sign_unext (num
, 14);
3128 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3132 if (is_DP_relative (the_insn
.exp
))
3133 the_insn
.reloc
= R_HPPA_GOTOFF
;
3134 else if (is_PC_relative (the_insn
.exp
))
3135 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3137 the_insn
.reloc
= R_HPPA
;
3138 the_insn
.format
= 14;
3142 /* Handle a 21 bit immediate at 31. */
3144 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3147 if (the_insn
.exp
.X_op
== O_constant
)
3149 num
= evaluate_absolute (&the_insn
);
3150 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
3151 opcode
|= re_assemble_21 (num
);
3156 if (is_DP_relative (the_insn
.exp
))
3157 the_insn
.reloc
= R_HPPA_GOTOFF
;
3158 else if (is_PC_relative (the_insn
.exp
))
3159 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3161 the_insn
.reloc
= R_HPPA
;
3162 the_insn
.format
= 21;
3166 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3168 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3171 if (the_insn
.exp
.X_op
== O_constant
)
3173 num
= evaluate_absolute (&the_insn
);
3174 CHECK_FIELD (num
, 32767, -32768, 0);
3175 opcode
|= re_assemble_16 (num
);
3180 /* ??? Is this valid for wide mode? */
3181 if (is_DP_relative (the_insn
.exp
))
3182 the_insn
.reloc
= R_HPPA_GOTOFF
;
3183 else if (is_PC_relative (the_insn
.exp
))
3184 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3186 the_insn
.reloc
= R_HPPA
;
3187 the_insn
.format
= 14;
3191 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3193 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3196 if (the_insn
.exp
.X_op
== O_constant
)
3198 num
= evaluate_absolute (&the_insn
);
3199 CHECK_FIELD (num
, 32767, -32768, 0);
3200 CHECK_ALIGN (num
, 4, 0);
3201 opcode
|= re_assemble_16 (num
);
3206 /* ??? Is this valid for wide mode? */
3207 if (is_DP_relative (the_insn
.exp
))
3208 the_insn
.reloc
= R_HPPA_GOTOFF
;
3209 else if (is_PC_relative (the_insn
.exp
))
3210 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3212 the_insn
.reloc
= R_HPPA
;
3213 the_insn
.format
= 14;
3217 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3219 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3222 if (the_insn
.exp
.X_op
== O_constant
)
3224 num
= evaluate_absolute (&the_insn
);
3225 CHECK_FIELD (num
, 32767, -32768, 0);
3226 CHECK_ALIGN (num
, 8, 0);
3227 opcode
|= re_assemble_16 (num
);
3232 /* ??? Is this valid for wide mode? */
3233 if (is_DP_relative (the_insn
.exp
))
3234 the_insn
.reloc
= R_HPPA_GOTOFF
;
3235 else if (is_PC_relative (the_insn
.exp
))
3236 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3238 the_insn
.reloc
= R_HPPA
;
3239 the_insn
.format
= 14;
3243 /* Handle a 12 bit branch displacement. */
3245 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3249 if (!the_insn
.exp
.X_add_symbol
3250 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3253 num
= evaluate_absolute (&the_insn
);
3256 as_bad (_("Branch to unaligned address"));
3259 if (the_insn
.exp
.X_add_symbol
)
3261 CHECK_FIELD (num
, 8191, -8192, 0);
3262 opcode
|= re_assemble_12 (num
>> 2);
3267 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3268 the_insn
.format
= 12;
3269 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3270 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3275 /* Handle a 17 bit branch displacement. */
3277 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3281 if (!the_insn
.exp
.X_add_symbol
3282 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3285 num
= evaluate_absolute (&the_insn
);
3288 as_bad (_("Branch to unaligned address"));
3291 if (the_insn
.exp
.X_add_symbol
)
3293 CHECK_FIELD (num
, 262143, -262144, 0);
3294 opcode
|= re_assemble_17 (num
>> 2);
3299 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3300 the_insn
.format
= 17;
3301 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3302 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3306 /* Handle a 22 bit branch displacement. */
3308 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3312 if (!the_insn
.exp
.X_add_symbol
3313 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3316 num
= evaluate_absolute (&the_insn
);
3319 as_bad (_("Branch to unaligned address"));
3322 if (the_insn
.exp
.X_add_symbol
)
3324 CHECK_FIELD (num
, 8388607, -8388608, 0);
3325 opcode
|= re_assemble_22 (num
>> 2);
3329 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
3330 the_insn
.format
= 22;
3331 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3332 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3336 /* Handle an absolute 17 bit branch target. */
3338 the_insn
.field_selector
= pa_chk_field_selector (&s
);
3342 if (!the_insn
.exp
.X_add_symbol
3343 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
3346 num
= evaluate_absolute (&the_insn
);
3349 as_bad (_("Branch to unaligned address"));
3352 if (the_insn
.exp
.X_add_symbol
)
3354 CHECK_FIELD (num
, 262143, -262144, 0);
3355 opcode
|= re_assemble_17 (num
>> 2);
3360 the_insn
.reloc
= R_HPPA_ABS_CALL
;
3361 the_insn
.format
= 17;
3362 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
3363 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
3367 /* Handle '%r1' implicit operand of addil instruction. */
3369 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
3370 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
3378 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3380 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
3385 /* Handle immediate value of 0 for ordered load/store instructions. */
3392 /* Handle a 2 bit shift count at 25. */
3394 num
= pa_get_absolute_expression (&the_insn
, &s
);
3395 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3398 CHECK_FIELD (num
, 3, 1, strict
);
3399 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3401 /* Handle a 4 bit shift count at 25. */
3403 num
= pa_get_absolute_expression (&the_insn
, &s
);
3404 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3407 CHECK_FIELD (num
, 15, 0, strict
);
3408 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3410 /* Handle a 5 bit shift count at 26. */
3412 num
= pa_get_absolute_expression (&the_insn
, &s
);
3413 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3416 CHECK_FIELD (num
, 31, 0, strict
);
3417 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
3419 /* Handle a 6 bit shift count at 20,22:26. */
3421 num
= pa_get_absolute_expression (&the_insn
, &s
);
3422 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3425 CHECK_FIELD (num
, 63, 0, strict
);
3427 opcode
|= (num
& 0x20) << 6;
3428 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3430 /* Handle a 6 bit field length at 23,27:31. */
3433 num
= pa_get_absolute_expression (&the_insn
, &s
);
3434 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3437 CHECK_FIELD (num
, 64, 1, strict
);
3439 opcode
|= (num
& 0x20) << 3;
3440 num
= 31 - (num
& 0x1f);
3441 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3443 /* Handle a 6 bit field length at 19,27:31. */
3445 num
= pa_get_absolute_expression (&the_insn
, &s
);
3446 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3449 CHECK_FIELD (num
, 64, 1, strict
);
3451 opcode
|= (num
& 0x20) << 7;
3452 num
= 31 - (num
& 0x1f);
3453 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3455 /* Handle a 5 bit bit position at 26. */
3457 num
= pa_get_absolute_expression (&the_insn
, &s
);
3458 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3461 CHECK_FIELD (num
, 31, 0, strict
);
3462 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
3464 /* Handle a 6 bit bit position at 20,22:26. */
3466 num
= pa_get_absolute_expression (&the_insn
, &s
);
3467 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3470 CHECK_FIELD (num
, 63, 0, strict
);
3471 opcode
|= (num
& 0x20) << 6;
3472 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
3474 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3475 of the high bit of the immediate. */
3477 num
= pa_get_absolute_expression (&the_insn
, &s
);
3478 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3481 CHECK_FIELD (num
, 63, 0, strict
);
3485 opcode
|= (1 << 13);
3486 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
3488 /* Handle a 5 bit immediate at 10. */
3490 num
= pa_get_absolute_expression (&the_insn
, &s
);
3491 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3494 CHECK_FIELD (num
, 31, 0, strict
);
3495 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3497 /* Handle a 9 bit immediate at 28. */
3499 num
= pa_get_absolute_expression (&the_insn
, &s
);
3500 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3503 CHECK_FIELD (num
, 511, 1, strict
);
3504 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
3506 /* Handle a 13 bit immediate at 18. */
3508 num
= pa_get_absolute_expression (&the_insn
, &s
);
3509 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3512 CHECK_FIELD (num
, 8191, 0, strict
);
3513 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
3515 /* Handle a 26 bit immediate at 31. */
3517 num
= pa_get_absolute_expression (&the_insn
, &s
);
3518 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3521 CHECK_FIELD (num
, 67108863, 0, strict
);
3522 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3524 /* Handle a 3 bit SFU identifier at 25. */
3527 as_bad (_("Invalid SFU identifier"));
3528 num
= pa_get_absolute_expression (&the_insn
, &s
);
3529 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3532 CHECK_FIELD (num
, 7, 0, strict
);
3533 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3535 /* Handle a 20 bit SOP field for spop0. */
3537 num
= pa_get_absolute_expression (&the_insn
, &s
);
3538 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3541 CHECK_FIELD (num
, 1048575, 0, strict
);
3542 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
3543 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3545 /* Handle a 15bit SOP field for spop1. */
3547 num
= pa_get_absolute_expression (&the_insn
, &s
);
3548 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3551 CHECK_FIELD (num
, 32767, 0, strict
);
3552 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3554 /* Handle a 10bit SOP field for spop3. */
3556 num
= pa_get_absolute_expression (&the_insn
, &s
);
3557 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3560 CHECK_FIELD (num
, 1023, 0, strict
);
3561 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
3562 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3564 /* Handle a 15 bit SOP field for spop2. */
3566 num
= pa_get_absolute_expression (&the_insn
, &s
);
3567 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3570 CHECK_FIELD (num
, 32767, 0, strict
);
3571 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
3572 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3574 /* Handle a 3-bit co-processor ID field. */
3577 as_bad (_("Invalid COPR identifier"));
3578 num
= pa_get_absolute_expression (&the_insn
, &s
);
3579 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3582 CHECK_FIELD (num
, 7, 0, strict
);
3583 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3585 /* Handle a 22bit SOP field for copr. */
3587 num
= pa_get_absolute_expression (&the_insn
, &s
);
3588 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3591 CHECK_FIELD (num
, 4194303, 0, strict
);
3592 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
3593 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3595 /* Handle a source FP operand format completer. */
3597 if (*s
== ',' && *(s
+1) == 't')
3604 flag
= pa_parse_fp_cnv_format (&s
);
3605 the_insn
.fpof1
= flag
;
3606 if (flag
== W
|| flag
== UW
)
3608 if (flag
== DW
|| flag
== UDW
)
3610 if (flag
== QW
|| flag
== UQW
)
3612 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3614 /* Handle a destination FP operand format completer. */
3616 /* pa_parse_format needs the ',' prefix. */
3618 flag
= pa_parse_fp_cnv_format (&s
);
3619 the_insn
.fpof2
= flag
;
3620 if (flag
== W
|| flag
== UW
)
3622 if (flag
== DW
|| flag
== UDW
)
3624 if (flag
== QW
|| flag
== UQW
)
3626 opcode
|= flag
<< 13;
3627 if (the_insn
.fpof1
== SGL
3628 || the_insn
.fpof1
== DBL
3629 || the_insn
.fpof1
== QUAD
)
3631 if (the_insn
.fpof2
== SGL
3632 || the_insn
.fpof2
== DBL
3633 || the_insn
.fpof2
== QUAD
)
3635 else if (the_insn
.fpof2
== W
3636 || the_insn
.fpof2
== DW
3637 || the_insn
.fpof2
== QW
)
3639 else if (the_insn
.fpof2
== UW
3640 || the_insn
.fpof2
== UDW
3641 || the_insn
.fpof2
== UQW
)
3646 else if (the_insn
.fpof1
== W
3647 || the_insn
.fpof1
== DW
3648 || the_insn
.fpof1
== QW
)
3650 if (the_insn
.fpof2
== SGL
3651 || the_insn
.fpof2
== DBL
3652 || the_insn
.fpof2
== QUAD
)
3657 else if (the_insn
.fpof1
== UW
3658 || the_insn
.fpof1
== UDW
3659 || the_insn
.fpof1
== UQW
)
3661 if (the_insn
.fpof2
== SGL
3662 || the_insn
.fpof2
== DBL
3663 || the_insn
.fpof2
== QUAD
)
3668 flag
|= the_insn
.trunc
;
3669 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
3671 /* Handle a source FP operand format completer. */
3673 flag
= pa_parse_fp_format (&s
);
3674 the_insn
.fpof1
= flag
;
3675 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3677 /* Handle a destination FP operand format completer. */
3679 /* pa_parse_format needs the ',' prefix. */
3681 flag
= pa_parse_fp_format (&s
);
3682 the_insn
.fpof2
= flag
;
3683 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
3685 /* Handle a source FP operand format completer at 20. */
3687 flag
= pa_parse_fp_format (&s
);
3688 the_insn
.fpof1
= flag
;
3689 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3691 /* Handle a floating point operand format at 26.
3692 Only allows single and double precision. */
3694 flag
= pa_parse_fp_format (&s
);
3700 the_insn
.fpof1
= flag
;
3706 as_bad (_("Invalid Floating Point Operand Format."));
3710 /* Handle all floating point registers. */
3714 /* Float target register. */
3716 if (!pa_parse_number (&s
, 3))
3718 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3719 CHECK_FIELD (num
, 31, 0, 0);
3720 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3722 /* Float target register with L/R selection. */
3725 if (!pa_parse_number (&s
, 1))
3727 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3728 CHECK_FIELD (num
, 31, 0, 0);
3731 /* 0x30 opcodes are FP arithmetic operation opcodes
3732 and need to be turned into 0x38 opcodes. This
3733 is not necessary for loads/stores. */
3734 if (need_pa11_opcode ()
3735 && ((opcode
& 0xfc000000) == 0x30000000))
3738 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
3742 /* Float operand 1. */
3745 if (!pa_parse_number (&s
, 1))
3747 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3748 CHECK_FIELD (num
, 31, 0, 0);
3749 opcode
|= num
<< 21;
3750 if (need_pa11_opcode ())
3752 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3758 /* Float operand 1 with L/R selection. */
3762 if (!pa_parse_number (&s
, 1))
3764 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3765 CHECK_FIELD (num
, 31, 0, 0);
3766 opcode
|= num
<< 21;
3767 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
3771 /* Float operand 2. */
3774 if (!pa_parse_number (&s
, 1))
3776 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3777 CHECK_FIELD (num
, 31, 0, 0);
3778 opcode
|= num
<< 16;
3779 if (need_pa11_opcode ())
3781 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3787 /* Float operand 2 with L/R selection. */
3790 if (!pa_parse_number (&s
, 1))
3792 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3793 CHECK_FIELD (num
, 31, 0, 0);
3794 opcode
|= num
<< 16;
3795 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
3799 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3802 if (!pa_parse_number (&s
, 1))
3804 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3805 CHECK_FIELD (num
, 31, 0, 0);
3806 opcode
|= (num
& 0x1c) << 11;
3807 opcode
|= (num
& 0x03) << 9;
3808 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
3812 /* Float mult operand 1 for fmpyadd, fmpysub */
3815 if (!pa_parse_number (&s
, 1))
3817 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3818 CHECK_FIELD (num
, 31, 0, 0);
3819 if (the_insn
.fpof1
== SGL
)
3823 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3827 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3829 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3832 /* Float mult operand 2 for fmpyadd, fmpysub */
3835 if (!pa_parse_number (&s
, 1))
3837 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3838 CHECK_FIELD (num
, 31, 0, 0);
3839 if (the_insn
.fpof1
== SGL
)
3843 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3847 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3849 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3852 /* Float mult target for fmpyadd, fmpysub */
3855 if (!pa_parse_number (&s
, 1))
3857 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3858 CHECK_FIELD (num
, 31, 0, 0);
3859 if (the_insn
.fpof1
== SGL
)
3863 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3867 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3869 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3872 /* Float add operand 1 for fmpyadd, fmpysub */
3875 if (!pa_parse_number (&s
, 1))
3877 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3878 CHECK_FIELD (num
, 31, 0, 0);
3879 if (the_insn
.fpof1
== SGL
)
3883 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3887 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3889 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
3892 /* Float add target for fmpyadd, fmpysub */
3895 if (!pa_parse_number (&s
, 1))
3897 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3898 CHECK_FIELD (num
, 31, 0, 0);
3899 if (the_insn
.fpof1
== SGL
)
3903 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3907 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
3909 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
3912 /* Handle L/R register halves like 'x'. */
3916 if (!pa_parse_number (&s
, 1))
3918 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3919 CHECK_FIELD (num
, 31, 0, 0);
3920 opcode
|= num
<< 16;
3921 if (need_pa11_opcode ())
3923 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
3928 /* Float target register (PA 2.0 wide). */
3930 if (!pa_parse_number (&s
, 3))
3932 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
3933 CHECK_FIELD (num
, 31, 0, 0);
3934 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3948 /* Check if the args matched. */
3951 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
3952 && !strcmp (insn
->name
, insn
[1].name
))
3960 as_bad (_("Invalid operands %s"), error_message
);
3967 the_insn
.opcode
= opcode
;
3970 /* Turn a string in input_line_pointer into a floating point constant of type
3971 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3972 emitted is stored in *sizeP . An error message or NULL is returned. */
3974 #define MAX_LITTLENUMS 6
3977 md_atof (type
, litP
, sizeP
)
3983 LITTLENUM_TYPE words
[MAX_LITTLENUMS
];
3984 LITTLENUM_TYPE
*wordP
;
4016 return _("Bad call to MD_ATOF()");
4018 t
= atof_ieee (input_line_pointer
, type
, words
);
4020 input_line_pointer
= t
;
4021 *sizeP
= prec
* sizeof (LITTLENUM_TYPE
);
4022 for (wordP
= words
; prec
--;)
4024 md_number_to_chars (litP
, (valueT
) (*wordP
++), sizeof (LITTLENUM_TYPE
));
4025 litP
+= sizeof (LITTLENUM_TYPE
);
4030 /* Write out big-endian. */
4033 md_number_to_chars (buf
, val
, n
)
4038 number_to_chars_bigendian (buf
, val
, n
);
4041 /* Translate internal representation of relocation info to BFD target
4045 tc_gen_reloc (section
, fixp
)
4050 struct hppa_fix_struct
*hppa_fixp
;
4051 static arelent
*no_relocs
= NULL
;
4058 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
4059 if (fixp
->fx_addsy
== 0)
4062 assert (hppa_fixp
!= 0);
4063 assert (section
!= 0);
4065 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
4067 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4068 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4069 codes
= hppa_gen_reloc_type (stdoutput
,
4071 hppa_fixp
->fx_r_format
,
4072 hppa_fixp
->fx_r_field
,
4073 fixp
->fx_subsy
!= NULL
,
4074 symbol_get_bfdsym (fixp
->fx_addsy
));
4078 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
4082 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
4085 relocs
= (arelent
**) xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
4086 reloc
= (arelent
*) xmalloc (sizeof (arelent
) * n_relocs
);
4087 for (i
= 0; i
< n_relocs
; i
++)
4088 relocs
[i
] = &reloc
[i
];
4090 relocs
[n_relocs
] = NULL
;
4093 switch (fixp
->fx_r_type
)
4096 assert (n_relocs
== 1);
4100 /* Now, do any processing that is dependent on the relocation type. */
4103 case R_PARISC_DLTREL21L
:
4104 case R_PARISC_DLTREL14R
:
4105 case R_PARISC_DLTREL14F
:
4106 case R_PARISC_PLABEL32
:
4107 case R_PARISC_PLABEL21L
:
4108 case R_PARISC_PLABEL14R
:
4109 /* For plabel relocations, the addend of the
4110 relocation should be either 0 (no static link) or 2
4111 (static link required). This adjustment is done in
4112 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4114 We also slam a zero addend into the DLT relative relocs;
4115 it doesn't make a lot of sense to use any addend since
4116 it gets you a different (eg unknown) DLT entry. */
4120 #ifdef ELF_ARG_RELOC
4121 case R_PARISC_PCREL17R
:
4122 case R_PARISC_PCREL17F
:
4123 case R_PARISC_PCREL17C
:
4124 case R_PARISC_DIR17R
:
4125 case R_PARISC_DIR17F
:
4126 case R_PARISC_PCREL21L
:
4127 case R_PARISC_DIR21L
:
4128 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
4133 case R_PARISC_DIR32
:
4134 /* Facilitate hand-crafted unwind info. */
4135 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
4136 code
= R_PARISC_SEGREL32
;
4140 reloc
->addend
= fixp
->fx_offset
;
4144 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4145 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4146 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
4147 (bfd_reloc_code_real_type
) code
);
4148 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4150 assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
4155 /* Walk over reach relocation returned by the BFD backend. */
4156 for (i
= 0; i
< n_relocs
; i
++)
4160 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4161 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4163 bfd_reloc_type_lookup (stdoutput
,
4164 (bfd_reloc_code_real_type
) code
);
4165 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4170 /* The only time we ever use a R_COMP2 fixup is for the difference
4171 of two symbols. With that in mind we fill in all four
4172 relocs now and break out of the loop. */
4174 relocs
[0]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4176 bfd_reloc_type_lookup (stdoutput
,
4177 (bfd_reloc_code_real_type
) *codes
[0]);
4178 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4179 relocs
[0]->addend
= 0;
4180 relocs
[1]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4181 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
4183 bfd_reloc_type_lookup (stdoutput
,
4184 (bfd_reloc_code_real_type
) *codes
[1]);
4185 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4186 relocs
[1]->addend
= 0;
4187 relocs
[2]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4188 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
4190 bfd_reloc_type_lookup (stdoutput
,
4191 (bfd_reloc_code_real_type
) *codes
[2]);
4192 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4193 relocs
[2]->addend
= 0;
4194 relocs
[3]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4196 bfd_reloc_type_lookup (stdoutput
,
4197 (bfd_reloc_code_real_type
) *codes
[3]);
4198 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4199 relocs
[3]->addend
= 0;
4200 relocs
[4]->sym_ptr_ptr
= (asymbol
**) &(bfd_abs_symbol
);
4202 bfd_reloc_type_lookup (stdoutput
,
4203 (bfd_reloc_code_real_type
) *codes
[4]);
4204 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
4205 relocs
[4]->addend
= 0;
4209 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
4215 /* For plabel relocations, the addend of the
4216 relocation should be either 0 (no static link) or 2
4217 (static link required).
4219 FIXME: We always assume no static link!
4221 We also slam a zero addend into the DLT relative relocs;
4222 it doesn't make a lot of sense to use any addend since
4223 it gets you a different (eg unknown) DLT entry. */
4224 relocs
[i
]->addend
= 0;
4239 /* There is no symbol or addend associated with these fixups. */
4240 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4241 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4242 relocs
[i
]->addend
= 0;
4248 /* There is no symbol associated with these fixups. */
4249 relocs
[i
]->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
4250 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
4251 relocs
[i
]->addend
= fixp
->fx_offset
;
4255 relocs
[i
]->addend
= fixp
->fx_offset
;
4265 /* Process any machine dependent frag types. */
4268 md_convert_frag (abfd
, sec
, fragP
)
4269 register bfd
*abfd ATTRIBUTE_UNUSED
;
4270 register asection
*sec ATTRIBUTE_UNUSED
;
4271 register fragS
*fragP
;
4273 unsigned int address
;
4275 if (fragP
->fr_type
== rs_machine_dependent
)
4277 switch ((int) fragP
->fr_subtype
)
4280 fragP
->fr_type
= rs_fill
;
4281 know (fragP
->fr_var
== 1);
4282 know (fragP
->fr_next
);
4283 address
= fragP
->fr_address
+ fragP
->fr_fix
;
4284 if (address
% fragP
->fr_offset
)
4287 fragP
->fr_next
->fr_address
4292 fragP
->fr_offset
= 0;
4298 /* Round up a section size to the appropriate boundary. */
4301 md_section_align (segment
, size
)
4305 int align
= bfd_get_section_alignment (stdoutput
, segment
);
4306 int align2
= (1 << align
) - 1;
4308 return (size
+ align2
) & ~align2
;
4311 /* Return the approximate size of a frag before relaxation has occurred. */
4313 md_estimate_size_before_relax (fragP
, segment
)
4314 register fragS
*fragP
;
4315 asection
*segment ATTRIBUTE_UNUSED
;
4321 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
4328 # ifdef WARN_COMMENTS
4329 const char *md_shortopts
= "Vc";
4331 const char *md_shortopts
= "V";
4334 # ifdef WARN_COMMENTS
4335 const char *md_shortopts
= "c";
4337 const char *md_shortopts
= "";
4341 struct option md_longopts
[] = {
4342 #ifdef WARN_COMMENTS
4343 {"warn-comment", no_argument
, NULL
, 'c'},
4345 {NULL
, no_argument
, NULL
, 0}
4347 size_t md_longopts_size
= sizeof (md_longopts
);
4350 md_parse_option (c
, arg
)
4351 int c ATTRIBUTE_UNUSED
;
4352 char *arg ATTRIBUTE_UNUSED
;
4361 print_version_id ();
4364 #ifdef WARN_COMMENTS
4375 md_show_usage (stream
)
4376 FILE *stream ATTRIBUTE_UNUSED
;
4379 fprintf (stream
, _("\
4382 #ifdef WARN_COMMENTS
4383 fprintf (stream
, _("\
4384 -c print a warning if a comment is found\n"));
4388 /* We have no need to default values of symbols. */
4391 md_undefined_symbol (name
)
4392 char *name ATTRIBUTE_UNUSED
;
4397 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4398 #define nonzero_dibits(x) \
4399 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4400 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4401 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4403 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4406 /* Apply a fixup to an instruction. */
4409 md_apply_fix3 (fixP
, valP
, seg
)
4412 segT seg ATTRIBUTE_UNUSED
;
4415 struct hppa_fix_struct
*hppa_fixP
;
4419 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4420 never be "applied" (they are just markers). Likewise for
4421 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4423 if (fixP
->fx_r_type
== R_HPPA_ENTRY
4424 || fixP
->fx_r_type
== R_HPPA_EXIT
4425 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
4426 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
4427 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
4430 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4431 fixups are considered not adjustable, which in turn causes
4432 adjust_reloc_syms to not set fx_offset. Ugh. */
4433 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
4435 fixP
->fx_offset
= * valP
;
4440 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
4441 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
4445 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
4448 /* There should have been an HPPA specific fixup associated
4449 with the GAS fixup. */
4450 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
4451 if (hppa_fixP
== NULL
)
4453 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4454 _("no hppa_fixup entry for fixup type 0x%x"),
4459 buf
= (unsigned char *) (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
);
4460 insn
= bfd_get_32 (stdoutput
, buf
);
4461 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
4463 /* If there is a symbol associated with this fixup, then it's something
4464 which will need a SOM relocation (except for some PC-relative relocs).
4465 In such cases we should treat the "val" or "addend" as zero since it
4466 will be added in as needed from fx_offset in tc_gen_reloc. */
4467 if ((fixP
->fx_addsy
!= NULL
4468 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
4473 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4475 /* These field selectors imply that we do not want an addend. */
4476 else if (hppa_fixP
->fx_r_field
== e_psel
4477 || hppa_fixP
->fx_r_field
== e_rpsel
4478 || hppa_fixP
->fx_r_field
== e_lpsel
4479 || hppa_fixP
->fx_r_field
== e_tsel
4480 || hppa_fixP
->fx_r_field
== e_rtsel
4481 || hppa_fixP
->fx_r_field
== e_ltsel
)
4482 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
4485 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4487 /* Handle pc-relative exceptions from above. */
4488 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
4491 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
4492 hppa_fixP
->fx_arg_reloc
)
4494 && (* valP
- 8 + 8192 < 16384
4495 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
4496 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4499 && (* valP
- 8 + 262144 < 524288
4500 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
4502 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
4503 && !S_IS_WEAK (fixP
->fx_addsy
)
4504 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
4506 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
4508 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
4514 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4515 fixP
->fx_file
, fixP
->fx_line
);
4518 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
4519 | ((val
& 0x2000) >> 13));
4522 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4523 fixP
->fx_file
, fixP
->fx_line
);
4526 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
4527 | ((val
& 0x2000) >> 13));
4529 /* Handle all opcodes with the 'j' operand type. */
4531 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
4532 fixP
->fx_file
, fixP
->fx_line
);
4535 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
4538 /* Handle all opcodes with the 'k' operand type. */
4540 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
4541 fixP
->fx_file
, fixP
->fx_line
);
4544 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
4547 /* Handle all the opcodes with the 'i' operand type. */
4549 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
4550 fixP
->fx_file
, fixP
->fx_line
);
4553 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
4556 /* Handle all the opcodes with the 'w' operand type. */
4558 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
4559 fixP
->fx_file
, fixP
->fx_line
);
4562 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
4565 /* Handle some of the opcodes with the 'W' operand type. */
4568 offsetT distance
= * valP
;
4570 /* If this is an absolute branch (ie no link) with an out of
4571 range target, then we want to complain. */
4572 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4573 && (insn
& 0xffe00000) == 0xe8000000)
4574 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
4575 fixP
->fx_file
, fixP
->fx_line
);
4577 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
4578 fixP
->fx_file
, fixP
->fx_line
);
4581 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
4587 offsetT distance
= * valP
;
4589 /* If this is an absolute branch (ie no link) with an out of
4590 range target, then we want to complain. */
4591 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
4592 && (insn
& 0xffe00000) == 0xe8000000)
4593 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
4594 fixP
->fx_file
, fixP
->fx_line
);
4596 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
4597 fixP
->fx_file
, fixP
->fx_line
);
4600 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
4606 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
4611 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
4616 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
4624 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
4625 _("Unknown relocation encountered in md_apply_fix."));
4629 /* Insert the relocation. */
4630 bfd_put_32 (stdoutput
, insn
, buf
);
4633 /* Exactly what point is a PC-relative offset relative TO?
4634 On the PA, they're relative to the address of the offset. */
4637 md_pcrel_from (fixP
)
4640 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
4643 /* Return nonzero if the input line pointer is at the end of
4647 is_end_of_statement ()
4649 return ((*input_line_pointer
== '\n')
4650 || (*input_line_pointer
== ';')
4651 || (*input_line_pointer
== '!'));
4654 /* Read a number from S. The number might come in one of many forms,
4655 the most common will be a hex or decimal constant, but it could be
4656 a pre-defined register (Yuk!), or an absolute symbol.
4658 Return 1 on success or 0 on failure. If STRICT, then a missing
4659 register prefix will cause a failure. The number itself is
4660 returned in `pa_number'.
4662 IS_FLOAT indicates that a PA-89 FP register number should be
4663 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4666 pa_parse_number can not handle negative constants and will fail
4667 horribly if it is passed such a constant. */
4670 pa_parse_number (s
, is_float
)
4680 bfd_boolean have_prefix
;
4682 /* Skip whitespace before the number. */
4683 while (*p
== ' ' || *p
== '\t')
4689 if (!strict
&& ISDIGIT (*p
))
4691 /* Looks like a number. */
4693 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
4695 /* The number is specified in hex. */
4697 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
4698 || ((*p
>= 'A') && (*p
<= 'F')))
4701 num
= num
* 16 + *p
- '0';
4702 else if (*p
>= 'a' && *p
<= 'f')
4703 num
= num
* 16 + *p
- 'a' + 10;
4705 num
= num
* 16 + *p
- 'A' + 10;
4711 /* The number is specified in decimal. */
4712 while (ISDIGIT (*p
))
4714 num
= num
* 10 + *p
- '0';
4721 /* Check for a `l' or `r' suffix. */
4724 pa_number
+= FP_REG_BASE
;
4725 if (! (is_float
& 2))
4727 if (IS_R_SELECT (p
))
4729 pa_number
+= FP_REG_RSEL
;
4732 else if (IS_L_SELECT (p
))
4741 /* The number might be a predefined register. */
4746 /* Tege hack: Special case for general registers as the general
4747 code makes a binary search with case translation, and is VERY
4752 if (*p
== 'e' && *(p
+ 1) == 't'
4753 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
4756 num
= *p
- '0' + 28;
4764 else if (!ISDIGIT (*p
))
4767 as_bad (_("Undefined register: '%s'."), name
);
4773 num
= num
* 10 + *p
++ - '0';
4774 while (ISDIGIT (*p
));
4779 /* Do a normal register search. */
4780 while (is_part_of_name (c
))
4786 status
= reg_name_search (name
);
4792 as_bad (_("Undefined register: '%s'."), name
);
4802 /* And finally, it could be a symbol in the absolute section which
4803 is effectively a constant, or a register alias symbol. */
4806 while (is_part_of_name (c
))
4812 if ((sym
= symbol_find (name
)) != NULL
)
4814 if (S_GET_SEGMENT (sym
) == reg_section
)
4816 num
= S_GET_VALUE (sym
);
4817 /* Well, we don't really have one, but we do have a
4821 else if (S_GET_SEGMENT (sym
) == &bfd_abs_section
)
4822 num
= S_GET_VALUE (sym
);
4826 as_bad (_("Non-absolute symbol: '%s'."), name
);
4832 /* There is where we'd come for an undefined symbol
4833 or for an empty string. For an empty string we
4834 will return zero. That's a concession made for
4835 compatability with the braindamaged HP assemblers. */
4841 as_bad (_("Undefined absolute constant: '%s'."), name
);
4850 if (!strict
|| have_prefix
)
4858 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4860 /* Given NAME, find the register number associated with that name, return
4861 the integer value associated with the given name or -1 on failure. */
4864 reg_name_search (name
)
4867 int middle
, low
, high
;
4871 high
= REG_NAME_CNT
- 1;
4875 middle
= (low
+ high
) / 2;
4876 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
4882 return pre_defined_registers
[middle
].value
;
4884 while (low
<= high
);
4889 /* Return nonzero if the given INSN and L/R information will require
4890 a new PA-1.1 opcode. */
4895 if ((pa_number
& FP_REG_RSEL
) != 0
4896 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
4898 /* If this instruction is specific to a particular architecture,
4899 then set a new architecture. */
4900 if (bfd_get_mach (stdoutput
) < pa11
)
4902 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
4903 as_warn (_("could not update architecture and machine"));
4911 /* Parse a condition for a fcmp instruction. Return the numerical
4912 code associated with the condition. */
4915 pa_parse_fp_cmp_cond (s
)
4922 for (i
= 0; i
< 32; i
++)
4924 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
4925 strlen (fp_cond_map
[i
].string
)) == 0)
4927 cond
= fp_cond_map
[i
].cond
;
4928 *s
+= strlen (fp_cond_map
[i
].string
);
4929 /* If not a complete match, back up the input string and
4931 if (**s
!= ' ' && **s
!= '\t')
4933 *s
-= strlen (fp_cond_map
[i
].string
);
4936 while (**s
== ' ' || **s
== '\t')
4942 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
4944 /* Advance over the bogus completer. */
4945 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
4951 /* Parse a graphics test complete for ftest. */
4954 pa_parse_ftest_gfx_completer (s
)
4960 if (strncasecmp (*s
, "acc8", 4) == 0)
4965 else if (strncasecmp (*s
, "acc6", 4) == 0)
4970 else if (strncasecmp (*s
, "acc4", 4) == 0)
4975 else if (strncasecmp (*s
, "acc2", 4) == 0)
4980 else if (strncasecmp (*s
, "acc", 3) == 0)
4985 else if (strncasecmp (*s
, "rej8", 4) == 0)
4990 else if (strncasecmp (*s
, "rej", 3) == 0)
4998 as_bad (_("Invalid FTEST completer: %s"), *s
);
5004 /* Parse an FP operand format completer returning the completer
5007 static fp_operand_format
5008 pa_parse_fp_cnv_format (s
)
5017 if (strncasecmp (*s
, "sgl", 3) == 0)
5022 else if (strncasecmp (*s
, "dbl", 3) == 0)
5027 else if (strncasecmp (*s
, "quad", 4) == 0)
5032 else if (strncasecmp (*s
, "w", 1) == 0)
5037 else if (strncasecmp (*s
, "uw", 2) == 0)
5042 else if (strncasecmp (*s
, "dw", 2) == 0)
5047 else if (strncasecmp (*s
, "udw", 3) == 0)
5052 else if (strncasecmp (*s
, "qw", 2) == 0)
5057 else if (strncasecmp (*s
, "uqw", 3) == 0)
5064 format
= ILLEGAL_FMT
;
5065 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5072 /* Parse an FP operand format completer returning the completer
5075 static fp_operand_format
5076 pa_parse_fp_format (s
)
5085 if (strncasecmp (*s
, "sgl", 3) == 0)
5090 else if (strncasecmp (*s
, "dbl", 3) == 0)
5095 else if (strncasecmp (*s
, "quad", 4) == 0)
5102 format
= ILLEGAL_FMT
;
5103 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
5110 /* Convert from a selector string into a selector type. */
5113 pa_chk_field_selector (str
)
5116 int middle
, low
, high
;
5120 /* Read past any whitespace. */
5121 /* FIXME: should we read past newlines and formfeeds??? */
5122 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
5125 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
5126 name
[0] = TOLOWER ((*str
)[0]),
5128 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
5129 name
[0] = TOLOWER ((*str
)[0]),
5130 name
[1] = TOLOWER ((*str
)[1]),
5132 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
5133 name
[0] = TOLOWER ((*str
)[0]),
5134 name
[1] = TOLOWER ((*str
)[1]),
5135 name
[2] = TOLOWER ((*str
)[2]),
5141 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
5145 middle
= (low
+ high
) / 2;
5146 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
5153 *str
+= strlen (name
) + 1;
5155 if (selector_table
[middle
].field_selector
== e_nsel
)
5158 return selector_table
[middle
].field_selector
;
5161 while (low
<= high
);
5166 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5169 get_expression (str
)
5175 save_in
= input_line_pointer
;
5176 input_line_pointer
= str
;
5177 seg
= expression (&the_insn
.exp
);
5178 if (!(seg
== absolute_section
5179 || seg
== undefined_section
5180 || SEG_NORMAL (seg
)))
5182 as_warn (_("Bad segment in expression."));
5183 expr_end
= input_line_pointer
;
5184 input_line_pointer
= save_in
;
5187 expr_end
= input_line_pointer
;
5188 input_line_pointer
= save_in
;
5192 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5194 pa_get_absolute_expression (insn
, strp
)
5200 insn
->field_selector
= pa_chk_field_selector (strp
);
5201 save_in
= input_line_pointer
;
5202 input_line_pointer
= *strp
;
5203 expression (&insn
->exp
);
5204 /* This is not perfect, but is a huge improvement over doing nothing.
5206 The PA assembly syntax is ambigious in a variety of ways. Consider
5207 this string "4 %r5" Is that the number 4 followed by the register
5208 r5, or is that 4 MOD r5?
5210 If we get a modulo expresion When looking for an absolute, we try
5211 again cutting off the input string at the first whitespace character. */
5212 if (insn
->exp
.X_op
== O_modulus
)
5217 input_line_pointer
= *strp
;
5219 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
5225 retval
= pa_get_absolute_expression (insn
, strp
);
5227 input_line_pointer
= save_in
;
5229 return evaluate_absolute (insn
);
5231 /* When in strict mode we have a non-match, fix up the pointers
5232 and return to our caller. */
5233 if (insn
->exp
.X_op
!= O_constant
&& strict
)
5235 expr_end
= input_line_pointer
;
5236 input_line_pointer
= save_in
;
5239 if (insn
->exp
.X_op
!= O_constant
)
5241 as_bad (_("Bad segment (should be absolute)."));
5242 expr_end
= input_line_pointer
;
5243 input_line_pointer
= save_in
;
5246 expr_end
= input_line_pointer
;
5247 input_line_pointer
= save_in
;
5248 return evaluate_absolute (insn
);
5251 /* Evaluate an absolute expression EXP which may be modified by
5252 the selector FIELD_SELECTOR. Return the value of the expression. */
5254 evaluate_absolute (insn
)
5259 int field_selector
= insn
->field_selector
;
5262 value
= exp
.X_add_number
;
5264 return hppa_field_adjust (0, value
, field_selector
);
5267 /* Given an argument location specification return the associated
5268 argument location number. */
5271 pa_build_arg_reloc (type_name
)
5275 if (strncasecmp (type_name
, "no", 2) == 0)
5277 if (strncasecmp (type_name
, "gr", 2) == 0)
5279 else if (strncasecmp (type_name
, "fr", 2) == 0)
5281 else if (strncasecmp (type_name
, "fu", 2) == 0)
5284 as_bad (_("Invalid argument location: %s\n"), type_name
);
5289 /* Encode and return an argument relocation specification for
5290 the given register in the location specified by arg_reloc. */
5293 pa_align_arg_reloc (reg
, arg_reloc
)
5295 unsigned int arg_reloc
;
5297 unsigned int new_reloc
;
5299 new_reloc
= arg_reloc
;
5315 as_bad (_("Invalid argument description: %d"), reg
);
5321 /* Parse a PA nullification completer (,n). Return nonzero if the
5322 completer was found; return zero if no completer was found. */
5334 if (strncasecmp (*s
, "n", 1) == 0)
5338 as_bad (_("Invalid Nullification: (%c)"), **s
);
5347 /* Parse a non-negated compare/subtract completer returning the
5348 number (for encoding in instrutions) of the given completer. */
5351 pa_parse_nonneg_cmpsub_cmpltr (s
)
5355 char *name
= *s
+ 1;
5364 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5369 if (strcmp (name
, "=") == 0)
5373 else if (strcmp (name
, "<") == 0)
5377 else if (strcmp (name
, "<=") == 0)
5381 else if (strcmp (name
, "<<") == 0)
5385 else if (strcmp (name
, "<<=") == 0)
5389 else if (strcasecmp (name
, "sv") == 0)
5393 else if (strcasecmp (name
, "od") == 0)
5397 /* If we have something like addb,n then there is no condition
5399 else if (strcasecmp (name
, "n") == 0)
5411 /* Reset pointers if this was really a ,n for a branch instruction. */
5418 /* Parse a negated compare/subtract completer returning the
5419 number (for encoding in instrutions) of the given completer. */
5422 pa_parse_neg_cmpsub_cmpltr (s
)
5426 char *name
= *s
+ 1;
5435 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5440 if (strcasecmp (name
, "tr") == 0)
5444 else if (strcmp (name
, "<>") == 0)
5448 else if (strcmp (name
, ">=") == 0)
5452 else if (strcmp (name
, ">") == 0)
5456 else if (strcmp (name
, ">>=") == 0)
5460 else if (strcmp (name
, ">>") == 0)
5464 else if (strcasecmp (name
, "nsv") == 0)
5468 else if (strcasecmp (name
, "ev") == 0)
5472 /* If we have something like addb,n then there is no condition
5474 else if (strcasecmp (name
, "n") == 0)
5486 /* Reset pointers if this was really a ,n for a branch instruction. */
5493 /* Parse a 64 bit compare and branch completer returning the number (for
5494 encoding in instrutions) of the given completer.
5496 Nonnegated comparisons are returned as 0-7, negated comparisons are
5497 returned as 8-15. */
5500 pa_parse_cmpb_64_cmpltr (s
)
5504 char *name
= *s
+ 1;
5511 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5516 if (strcmp (name
, "*") == 0)
5520 else if (strcmp (name
, "*=") == 0)
5524 else if (strcmp (name
, "*<") == 0)
5528 else if (strcmp (name
, "*<=") == 0)
5532 else if (strcmp (name
, "*<<") == 0)
5536 else if (strcmp (name
, "*<<=") == 0)
5540 else if (strcasecmp (name
, "*sv") == 0)
5544 else if (strcasecmp (name
, "*od") == 0)
5548 else if (strcasecmp (name
, "*tr") == 0)
5552 else if (strcmp (name
, "*<>") == 0)
5556 else if (strcmp (name
, "*>=") == 0)
5560 else if (strcmp (name
, "*>") == 0)
5564 else if (strcmp (name
, "*>>=") == 0)
5568 else if (strcmp (name
, "*>>") == 0)
5572 else if (strcasecmp (name
, "*nsv") == 0)
5576 else if (strcasecmp (name
, "*ev") == 0)
5590 /* Parse a 64 bit compare immediate and branch completer returning the number
5591 (for encoding in instrutions) of the given completer. */
5594 pa_parse_cmpib_64_cmpltr (s
)
5598 char *name
= *s
+ 1;
5605 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5610 if (strcmp (name
, "*<<") == 0)
5614 else if (strcmp (name
, "*=") == 0)
5618 else if (strcmp (name
, "*<") == 0)
5622 else if (strcmp (name
, "*<=") == 0)
5626 else if (strcmp (name
, "*>>=") == 0)
5630 else if (strcmp (name
, "*<>") == 0)
5634 else if (strcasecmp (name
, "*>=") == 0)
5638 else if (strcasecmp (name
, "*>") == 0)
5652 /* Parse a non-negated addition completer returning the number
5653 (for encoding in instrutions) of the given completer. */
5656 pa_parse_nonneg_add_cmpltr (s
)
5660 char *name
= *s
+ 1;
5669 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5673 if (strcmp (name
, "=") == 0)
5677 else if (strcmp (name
, "<") == 0)
5681 else if (strcmp (name
, "<=") == 0)
5685 else if (strcasecmp (name
, "nuv") == 0)
5689 else if (strcasecmp (name
, "znv") == 0)
5693 else if (strcasecmp (name
, "sv") == 0)
5697 else if (strcasecmp (name
, "od") == 0)
5701 /* If we have something like addb,n then there is no condition
5703 else if (strcasecmp (name
, "n") == 0)
5715 /* Reset pointers if this was really a ,n for a branch instruction. */
5722 /* Parse a negated addition completer returning the number
5723 (for encoding in instrutions) of the given completer. */
5726 pa_parse_neg_add_cmpltr (s
)
5730 char *name
= *s
+ 1;
5739 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5743 if (strcasecmp (name
, "tr") == 0)
5747 else if (strcmp (name
, "<>") == 0)
5751 else if (strcmp (name
, ">=") == 0)
5755 else if (strcmp (name
, ">") == 0)
5759 else if (strcasecmp (name
, "uv") == 0)
5763 else if (strcasecmp (name
, "vnz") == 0)
5767 else if (strcasecmp (name
, "nsv") == 0)
5771 else if (strcasecmp (name
, "ev") == 0)
5775 /* If we have something like addb,n then there is no condition
5777 else if (strcasecmp (name
, "n") == 0)
5789 /* Reset pointers if this was really a ,n for a branch instruction. */
5796 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5797 encoding in instrutions) of the given completer. */
5800 pa_parse_addb_64_cmpltr (s
)
5804 char *name
= *s
+ 1;
5813 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
5817 if (strcmp (name
, "=") == 0)
5821 else if (strcmp (name
, "<") == 0)
5825 else if (strcmp (name
, "<=") == 0)
5829 else if (strcasecmp (name
, "nuv") == 0)
5833 else if (strcasecmp (name
, "*=") == 0)
5837 else if (strcasecmp (name
, "*<") == 0)
5841 else if (strcasecmp (name
, "*<=") == 0)
5845 else if (strcmp (name
, "tr") == 0)
5849 else if (strcmp (name
, "<>") == 0)
5853 else if (strcmp (name
, ">=") == 0)
5857 else if (strcmp (name
, ">") == 0)
5861 else if (strcasecmp (name
, "uv") == 0)
5865 else if (strcasecmp (name
, "*<>") == 0)
5869 else if (strcasecmp (name
, "*>=") == 0)
5873 else if (strcasecmp (name
, "*>") == 0)
5877 /* If we have something like addb,n then there is no condition
5879 else if (strcasecmp (name
, "n") == 0)
5891 /* Reset pointers if this was really a ,n for a branch instruction. */
5899 /* Handle an alignment directive. Special so that we can update the
5900 alignment of the subspace if necessary. */
5905 /* We must have a valid space and subspace. */
5906 pa_check_current_space_and_subspace ();
5908 /* Let the generic gas code do most of the work. */
5909 s_align_bytes (bytes
);
5911 /* If bytes is a power of 2, then update the current subspace's
5912 alignment if necessary. */
5913 if (log2 (bytes
) != -1)
5914 record_alignment (current_subspace
->ssd_seg
, log2 (bytes
));
5918 /* Handle a .BLOCK type pseudo-op. */
5922 int z ATTRIBUTE_UNUSED
;
5926 unsigned int temp_size
;
5930 /* We must have a valid space and subspace. */
5931 pa_check_current_space_and_subspace ();
5934 temp_size
= get_absolute_expression ();
5936 /* Always fill with zeros, that's what the HP assembler does. */
5939 p
= frag_var (rs_fill
, (int) temp_size
, (int) temp_size
,
5940 (relax_substateT
) 0, (symbolS
*) 0, (offsetT
) 1, NULL
);
5941 memset (p
, 0, temp_size
);
5943 /* Convert 2 bytes at a time. */
5945 for (i
= 0; i
< temp_size
; i
+= 2)
5947 md_number_to_chars (p
+ i
,
5949 (int) ((temp_size
- i
) > 2 ? 2 : (temp_size
- i
)));
5952 pa_undefine_label ();
5953 demand_empty_rest_of_line ();
5956 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5960 int begin ATTRIBUTE_UNUSED
;
5964 /* The BRTAB relocations are only availble in SOM (to denote
5965 the beginning and end of branch tables). */
5966 char *where
= frag_more (0);
5968 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5969 NULL
, (offsetT
) 0, NULL
,
5970 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5974 demand_empty_rest_of_line ();
5977 /* Handle a .begin_try and .end_try pseudo-op. */
5981 int begin ATTRIBUTE_UNUSED
;
5985 char *where
= frag_more (0);
5990 /* The TRY relocations are only availble in SOM (to denote
5991 the beginning and end of exception handling regions). */
5993 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5994 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5995 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5999 demand_empty_rest_of_line ();
6002 /* Handle a .CALL pseudo-op. This involves storing away information
6003 about where arguments are to be found so the linker can detect
6004 (and correct) argument location mismatches between caller and callee. */
6008 int unused ATTRIBUTE_UNUSED
;
6011 /* We must have a valid space and subspace. */
6012 pa_check_current_space_and_subspace ();
6015 pa_call_args (&last_call_desc
);
6016 demand_empty_rest_of_line ();
6019 /* Do the dirty work of building a call descriptor which describes
6020 where the caller placed arguments to a function call. */
6023 pa_call_args (call_desc
)
6024 struct call_desc
*call_desc
;
6027 unsigned int temp
, arg_reloc
;
6029 while (!is_end_of_statement ())
6031 name
= input_line_pointer
;
6032 c
= get_symbol_end ();
6033 /* Process a source argument. */
6034 if ((strncasecmp (name
, "argw", 4) == 0))
6036 temp
= atoi (name
+ 4);
6037 p
= input_line_pointer
;
6039 input_line_pointer
++;
6040 name
= input_line_pointer
;
6041 c
= get_symbol_end ();
6042 arg_reloc
= pa_build_arg_reloc (name
);
6043 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
6045 /* Process a return value. */
6046 else if ((strncasecmp (name
, "rtnval", 6) == 0))
6048 p
= input_line_pointer
;
6050 input_line_pointer
++;
6051 name
= input_line_pointer
;
6052 c
= get_symbol_end ();
6053 arg_reloc
= pa_build_arg_reloc (name
);
6054 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
6058 as_bad (_("Invalid .CALL argument: %s"), name
);
6060 p
= input_line_pointer
;
6062 if (!is_end_of_statement ())
6063 input_line_pointer
++;
6067 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6070 is_same_frag (frag1
, frag2
)
6077 else if (frag2
== NULL
)
6079 else if (frag1
== frag2
)
6081 else if (frag2
->fr_type
== rs_fill
&& frag2
->fr_fix
== 0)
6082 return (is_same_frag (frag1
, frag2
->fr_next
));
6088 /* Build an entry in the UNWIND subspace from the given function
6089 attributes in CALL_INFO. This is not needed for SOM as using
6090 R_ENTRY and R_EXIT relocations allow the linker to handle building
6091 of the unwind spaces. */
6094 pa_build_unwind_subspace (call_info
)
6095 struct call_info
*call_info
;
6097 asection
*seg
, *save_seg
;
6098 subsegT save_subseg
;
6099 unsigned int unwind
;
6103 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6104 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6105 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6108 reloc
= R_PARISC_SEGREL32
;
6110 save_subseg
= now_subseg
;
6111 /* Get into the right seg/subseg. This may involve creating
6112 the seg the first time through. Make sure to have the
6113 old seg/subseg so that we can reset things when we are done. */
6114 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6115 if (seg
== ASEC_NULL
)
6117 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6118 bfd_set_section_flags (stdoutput
, seg
,
6119 SEC_READONLY
| SEC_HAS_CONTENTS
6120 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6121 bfd_set_section_alignment (stdoutput
, seg
, 2);
6124 subseg_set (seg
, 0);
6126 /* Get some space to hold relocation information for the unwind
6130 /* Relocation info. for start offset of the function. */
6131 md_number_to_chars (p
, 0, 4);
6132 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6133 call_info
->start_symbol
, (offsetT
) 0,
6134 (expressionS
*) NULL
, 0, reloc
,
6137 /* Relocation info. for end offset of the function.
6139 Because we allow reductions of 32bit relocations for ELF, this will be
6140 reduced to section_sym + offset which avoids putting the temporary
6141 symbol into the symbol table. It (should) end up giving the same
6142 value as call_info->start_symbol + function size once the linker is
6143 finished with its work. */
6144 md_number_to_chars (p
+ 4, 0, 4);
6145 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6146 call_info
->end_symbol
, (offsetT
) 0,
6147 (expressionS
*) NULL
, 0, reloc
,
6150 /* Dump the descriptor. */
6151 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6152 md_number_to_chars (p
+ 8, unwind
, 4);
6154 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6155 md_number_to_chars (p
+ 12, unwind
, 4);
6157 /* Return back to the original segment/subsegment. */
6158 subseg_set (save_seg
, save_subseg
);
6162 /* Process a .CALLINFO pseudo-op. This information is used later
6163 to build unwind descriptors and maybe one day to support
6164 .ENTER and .LEAVE. */
6167 pa_callinfo (unused
)
6168 int unused ATTRIBUTE_UNUSED
;
6174 /* We must have a valid space and subspace. */
6175 pa_check_current_space_and_subspace ();
6178 /* .CALLINFO must appear within a procedure definition. */
6179 if (!within_procedure
)
6180 as_bad (_(".callinfo is not within a procedure definition"));
6182 /* Mark the fact that we found the .CALLINFO for the
6183 current procedure. */
6184 callinfo_found
= TRUE
;
6186 /* Iterate over the .CALLINFO arguments. */
6187 while (!is_end_of_statement ())
6189 name
= input_line_pointer
;
6190 c
= get_symbol_end ();
6191 /* Frame size specification. */
6192 if ((strncasecmp (name
, "frame", 5) == 0))
6194 p
= input_line_pointer
;
6196 input_line_pointer
++;
6197 temp
= get_absolute_expression ();
6198 if ((temp
& 0x3) != 0)
6200 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6204 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6205 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6208 /* Entry register (GR, GR and SR) specifications. */
6209 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6211 p
= input_line_pointer
;
6213 input_line_pointer
++;
6214 temp
= get_absolute_expression ();
6215 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6216 even though %r19 is caller saved. I think this is a bug in
6217 the HP assembler, and we are not going to emulate it. */
6218 if (temp
< 3 || temp
> 18)
6219 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6220 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6222 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6224 p
= input_line_pointer
;
6226 input_line_pointer
++;
6227 temp
= get_absolute_expression ();
6228 /* Similarly the HP assembler takes 31 as the high bound even
6229 though %fr21 is the last callee saved floating point register. */
6230 if (temp
< 12 || temp
> 21)
6231 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6232 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6234 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6236 p
= input_line_pointer
;
6238 input_line_pointer
++;
6239 temp
= get_absolute_expression ();
6241 as_bad (_("Value for ENTRY_SR must be 3\n"));
6243 /* Note whether or not this function performs any calls. */
6244 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6245 (strncasecmp (name
, "caller", 6) == 0))
6247 p
= input_line_pointer
;
6250 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6252 p
= input_line_pointer
;
6255 /* Should RP be saved into the stack. */
6256 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6258 p
= input_line_pointer
;
6260 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6262 /* Likewise for SP. */
6263 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6265 p
= input_line_pointer
;
6267 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6269 /* Is this an unwindable procedure. If so mark it so
6270 in the unwind descriptor. */
6271 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6273 p
= input_line_pointer
;
6275 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6277 /* Is this an interrupt routine. If so mark it in the
6278 unwind descriptor. */
6279 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6281 p
= input_line_pointer
;
6283 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6285 /* Is this a millicode routine. "millicode" isn't in my
6286 assembler manual, but my copy is old. The HP assembler
6287 accepts it, and there's a place in the unwind descriptor
6288 to drop the information, so we'll accept it too. */
6289 else if ((strncasecmp (name
, "millicode", 9) == 0))
6291 p
= input_line_pointer
;
6293 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6297 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6298 *input_line_pointer
= c
;
6300 if (!is_end_of_statement ())
6301 input_line_pointer
++;
6304 demand_empty_rest_of_line ();
6307 #if !(defined (OBJ_ELF) && defined (TE_LINUX))
6308 /* Switch to the text space. Like s_text, but delete our
6309 label when finished. */
6312 int unused ATTRIBUTE_UNUSED
;
6315 current_space
= is_defined_space ("$TEXT$");
6317 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6321 pa_undefine_label ();
6324 /* Switch to the data space. As usual delete our label. */
6327 int unused ATTRIBUTE_UNUSED
;
6330 current_space
= is_defined_space ("$PRIVATE$");
6332 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6335 pa_undefine_label ();
6338 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6339 the .comm pseudo-op has the following symtax:
6341 <label> .comm <length>
6343 where <label> is optional and is a symbol whose address will be the start of
6344 a block of memory <length> bytes long. <length> must be an absolute
6345 expression. <length> bytes will be allocated in the current space
6348 Also note the label may not even be on the same line as the .comm.
6350 This difference in syntax means the colon function will be called
6351 on the symbol before we arrive in pa_comm. colon will set a number
6352 of attributes of the symbol that need to be fixed here. In particular
6353 the value, section pointer, fragment pointer, flags, etc. What
6356 This also makes error detection all but impossible. */
6360 int unused ATTRIBUTE_UNUSED
;
6364 label_symbol_struct
*label_symbol
= pa_get_label ();
6367 symbol
= label_symbol
->lss_label
;
6372 size
= get_absolute_expression ();
6376 S_SET_VALUE (symbol
, size
);
6377 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6378 S_SET_EXTERNAL (symbol
);
6380 /* colon() has already set the frag to the current location in the
6381 current subspace; we need to reset the fragment to the zero address
6382 fragment. We also need to reset the segment pointer. */
6383 symbol_set_frag (symbol
, &zero_address_frag
);
6385 demand_empty_rest_of_line ();
6387 #endif /* !(defined (OBJ_ELF) && defined (TE_LINUX)) */
6389 /* Process a .END pseudo-op. */
6393 int unused ATTRIBUTE_UNUSED
;
6395 demand_empty_rest_of_line ();
6398 /* Process a .ENTER pseudo-op. This is not supported. */
6401 int unused ATTRIBUTE_UNUSED
;
6404 /* We must have a valid space and subspace. */
6405 pa_check_current_space_and_subspace ();
6408 as_bad (_("The .ENTER pseudo-op is not supported"));
6409 demand_empty_rest_of_line ();
6412 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6416 int unused ATTRIBUTE_UNUSED
;
6419 /* We must have a valid space and subspace. */
6420 pa_check_current_space_and_subspace ();
6423 if (!within_procedure
)
6424 as_bad (_("Misplaced .entry. Ignored."));
6427 if (!callinfo_found
)
6428 as_bad (_("Missing .callinfo."));
6430 demand_empty_rest_of_line ();
6431 within_entry_exit
= TRUE
;
6434 /* SOM defers building of unwind descriptors until the link phase.
6435 The assembler is responsible for creating an R_ENTRY relocation
6436 to mark the beginning of a region and hold the unwind bits, and
6437 for creating an R_EXIT relocation to mark the end of the region.
6439 FIXME. ELF should be using the same conventions! The problem
6440 is an unwind requires too much relocation space. Hmmm. Maybe
6441 if we split the unwind bits up between the relocations which
6442 denote the entry and exit points. */
6443 if (last_call_info
->start_symbol
!= NULL
)
6448 where
= frag_more (0);
6449 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6450 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6451 NULL
, (offsetT
) 0, NULL
,
6452 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6457 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6458 being able to subtract two register symbols that specify a range of
6459 registers, to get the size of the range. */
6460 static int fudge_reg_expressions
;
6463 hppa_force_reg_syms_absolute (resultP
, op
, rightP
)
6464 expressionS
*resultP
;
6465 operatorT op ATTRIBUTE_UNUSED
;
6466 expressionS
*rightP
;
6468 if (fudge_reg_expressions
6469 && rightP
->X_op
== O_register
6470 && resultP
->X_op
== O_register
)
6472 rightP
->X_op
= O_constant
;
6473 resultP
->X_op
= O_constant
;
6475 return 0; /* Continue normal expr handling. */
6478 /* Handle a .EQU pseudo-op. */
6484 label_symbol_struct
*label_symbol
= pa_get_label ();
6489 symbol
= label_symbol
->lss_label
;
6493 if (!pa_parse_number (&input_line_pointer
, 0))
6494 as_bad (_(".REG expression must be a register"));
6495 S_SET_VALUE (symbol
, pa_number
);
6496 S_SET_SEGMENT (symbol
, reg_section
);
6503 fudge_reg_expressions
= 1;
6504 seg
= expression (&exp
);
6505 fudge_reg_expressions
= 0;
6506 if (exp
.X_op
!= O_constant
6507 && exp
.X_op
!= O_register
)
6509 if (exp
.X_op
!= O_absent
)
6510 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6511 exp
.X_add_number
= 0;
6512 seg
= absolute_section
;
6514 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6515 S_SET_SEGMENT (symbol
, seg
);
6521 as_bad (_(".REG must use a label"));
6523 as_bad (_(".EQU must use a label"));
6526 pa_undefine_label ();
6527 demand_empty_rest_of_line ();
6530 /* Helper function. Does processing for the end of a function. This
6531 usually involves creating some relocations or building special
6532 symbols to mark the end of the function. */
6539 where
= frag_more (0);
6542 /* Mark the end of the function, stuff away the location of the frag
6543 for the end of the function, and finally call pa_build_unwind_subspace
6544 to add an entry in the unwind table. */
6545 hppa_elf_mark_end_of_function ();
6546 pa_build_unwind_subspace (last_call_info
);
6548 /* SOM defers building of unwind descriptors until the link phase.
6549 The assembler is responsible for creating an R_ENTRY relocation
6550 to mark the beginning of a region and hold the unwind bits, and
6551 for creating an R_EXIT relocation to mark the end of the region.
6553 FIXME. ELF should be using the same conventions! The problem
6554 is an unwind requires too much relocation space. Hmmm. Maybe
6555 if we split the unwind bits up between the relocations which
6556 denote the entry and exit points. */
6557 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6559 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6560 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6564 /* Process a .EXIT pseudo-op. */
6568 int unused ATTRIBUTE_UNUSED
;
6571 /* We must have a valid space and subspace. */
6572 pa_check_current_space_and_subspace ();
6575 if (!within_procedure
)
6576 as_bad (_(".EXIT must appear within a procedure"));
6579 if (!callinfo_found
)
6580 as_bad (_("Missing .callinfo"));
6583 if (!within_entry_exit
)
6584 as_bad (_("No .ENTRY for this .EXIT"));
6587 within_entry_exit
= FALSE
;
6592 demand_empty_rest_of_line ();
6595 /* Process a .EXPORT directive. This makes functions external
6596 and provides information such as argument relocation entries
6601 int unused ATTRIBUTE_UNUSED
;
6606 name
= input_line_pointer
;
6607 c
= get_symbol_end ();
6608 /* Make sure the given symbol exists. */
6609 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6611 as_bad (_("Cannot define export symbol: %s\n"), name
);
6612 p
= input_line_pointer
;
6614 input_line_pointer
++;
6618 /* OK. Set the external bits and process argument relocations.
6619 For the HP, weak and global are not mutually exclusive.
6620 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6621 Call S_SET_EXTERNAL to get the other processing. Manually
6622 set BSF_GLOBAL when we get back. */
6623 S_SET_EXTERNAL (symbol
);
6624 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6625 p
= input_line_pointer
;
6627 if (!is_end_of_statement ())
6629 input_line_pointer
++;
6630 pa_type_args (symbol
, 1);
6634 demand_empty_rest_of_line ();
6637 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6640 pa_type_args (symbolP
, is_export
)
6645 unsigned int temp
, arg_reloc
;
6646 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6647 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6649 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6652 input_line_pointer
+= 8;
6653 bfdsym
->flags
&= ~BSF_FUNCTION
;
6654 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6655 type
= SYMBOL_TYPE_ABSOLUTE
;
6657 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6659 input_line_pointer
+= 4;
6660 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6661 instead one should be IMPORTing/EXPORTing ENTRY types.
6663 Complain if one tries to EXPORT a CODE type since that's never
6664 done. Both GCC and HP C still try to IMPORT CODE types, so
6665 silently fix them to be ENTRY types. */
6666 if (S_IS_FUNCTION (symbolP
))
6669 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6670 S_GET_NAME (symbolP
));
6672 bfdsym
->flags
|= BSF_FUNCTION
;
6673 type
= SYMBOL_TYPE_ENTRY
;
6677 bfdsym
->flags
&= ~BSF_FUNCTION
;
6678 type
= SYMBOL_TYPE_CODE
;
6681 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6683 input_line_pointer
+= 4;
6684 bfdsym
->flags
&= ~BSF_FUNCTION
;
6685 bfdsym
->flags
|= BSF_OBJECT
;
6686 type
= SYMBOL_TYPE_DATA
;
6688 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6690 input_line_pointer
+= 5;
6691 bfdsym
->flags
|= BSF_FUNCTION
;
6692 type
= SYMBOL_TYPE_ENTRY
;
6694 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6696 input_line_pointer
+= 9;
6697 bfdsym
->flags
|= BSF_FUNCTION
;
6700 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6701 elfsym
->internal_elf_sym
.st_info
=
6702 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6706 type
= SYMBOL_TYPE_MILLICODE
;
6708 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6710 input_line_pointer
+= 6;
6711 bfdsym
->flags
&= ~BSF_FUNCTION
;
6712 type
= SYMBOL_TYPE_PLABEL
;
6714 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6716 input_line_pointer
+= 8;
6717 bfdsym
->flags
|= BSF_FUNCTION
;
6718 type
= SYMBOL_TYPE_PRI_PROG
;
6720 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6722 input_line_pointer
+= 8;
6723 bfdsym
->flags
|= BSF_FUNCTION
;
6724 type
= SYMBOL_TYPE_SEC_PROG
;
6727 /* SOM requires much more information about symbol types
6728 than BFD understands. This is how we get this information
6729 to the SOM BFD backend. */
6730 #ifdef obj_set_symbol_type
6731 obj_set_symbol_type (bfdsym
, (int) type
);
6734 /* Now that the type of the exported symbol has been handled,
6735 handle any argument relocation information. */
6736 while (!is_end_of_statement ())
6738 if (*input_line_pointer
== ',')
6739 input_line_pointer
++;
6740 name
= input_line_pointer
;
6741 c
= get_symbol_end ();
6742 /* Argument sources. */
6743 if ((strncasecmp (name
, "argw", 4) == 0))
6745 p
= input_line_pointer
;
6747 input_line_pointer
++;
6748 temp
= atoi (name
+ 4);
6749 name
= input_line_pointer
;
6750 c
= get_symbol_end ();
6751 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6752 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6753 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6755 *input_line_pointer
= c
;
6757 /* The return value. */
6758 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6760 p
= input_line_pointer
;
6762 input_line_pointer
++;
6763 name
= input_line_pointer
;
6764 c
= get_symbol_end ();
6765 arg_reloc
= pa_build_arg_reloc (name
);
6766 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6767 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6769 *input_line_pointer
= c
;
6771 /* Privelege level. */
6772 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6774 p
= input_line_pointer
;
6776 input_line_pointer
++;
6777 temp
= atoi (input_line_pointer
);
6779 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6781 c
= get_symbol_end ();
6782 *input_line_pointer
= c
;
6786 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6787 p
= input_line_pointer
;
6790 if (!is_end_of_statement ())
6791 input_line_pointer
++;
6795 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6796 assembly file must either be defined in the assembly file, or
6797 explicitly IMPORTED from another. */
6801 int unused ATTRIBUTE_UNUSED
;
6806 name
= input_line_pointer
;
6807 c
= get_symbol_end ();
6809 symbol
= symbol_find (name
);
6810 /* Ugh. We might be importing a symbol defined earlier in the file,
6811 in which case all the code below will really screw things up
6812 (set the wrong segment, symbol flags & type, etc). */
6813 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6815 symbol
= symbol_find_or_make (name
);
6816 p
= input_line_pointer
;
6819 if (!is_end_of_statement ())
6821 input_line_pointer
++;
6822 pa_type_args (symbol
, 0);
6826 /* Sigh. To be compatable with the HP assembler and to help
6827 poorly written assembly code, we assign a type based on
6828 the current segment. Note only BSF_FUNCTION really
6829 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6830 if (now_seg
== text_section
)
6831 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6833 /* If the section is undefined, then the symbol is undefined
6834 Since this is an import, leave the section undefined. */
6835 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6840 /* The symbol was already defined. Just eat everything up to
6841 the end of the current statement. */
6842 while (!is_end_of_statement ())
6843 input_line_pointer
++;
6846 demand_empty_rest_of_line ();
6849 /* Handle a .LABEL pseudo-op. */
6853 int unused ATTRIBUTE_UNUSED
;
6857 name
= input_line_pointer
;
6858 c
= get_symbol_end ();
6860 if (strlen (name
) > 0)
6863 p
= input_line_pointer
;
6868 as_warn (_("Missing label name on .LABEL"));
6871 if (!is_end_of_statement ())
6873 as_warn (_("extra .LABEL arguments ignored."));
6874 ignore_rest_of_line ();
6876 demand_empty_rest_of_line ();
6879 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6883 int unused ATTRIBUTE_UNUSED
;
6886 /* We must have a valid space and subspace. */
6887 pa_check_current_space_and_subspace ();
6890 as_bad (_("The .LEAVE pseudo-op is not supported"));
6891 demand_empty_rest_of_line ();
6894 /* Handle a .LEVEL pseudo-op. */
6898 int unused ATTRIBUTE_UNUSED
;
6902 level
= input_line_pointer
;
6903 if (strncmp (level
, "1.0", 3) == 0)
6905 input_line_pointer
+= 3;
6906 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6907 as_warn (_("could not set architecture and machine"));
6909 else if (strncmp (level
, "1.1", 3) == 0)
6911 input_line_pointer
+= 3;
6912 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6913 as_warn (_("could not set architecture and machine"));
6915 else if (strncmp (level
, "2.0w", 4) == 0)
6917 input_line_pointer
+= 4;
6918 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6919 as_warn (_("could not set architecture and machine"));
6921 else if (strncmp (level
, "2.0", 3) == 0)
6923 input_line_pointer
+= 3;
6924 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6925 as_warn (_("could not set architecture and machine"));
6929 as_bad (_("Unrecognized .LEVEL argument\n"));
6930 ignore_rest_of_line ();
6932 demand_empty_rest_of_line ();
6935 /* Handle a .ORIGIN pseudo-op. */
6939 int unused ATTRIBUTE_UNUSED
;
6942 /* We must have a valid space and subspace. */
6943 pa_check_current_space_and_subspace ();
6947 pa_undefine_label ();
6950 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6951 is for static functions. FIXME. Should share more code with .EXPORT. */
6955 int unused ATTRIBUTE_UNUSED
;
6960 name
= input_line_pointer
;
6961 c
= get_symbol_end ();
6963 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6965 as_bad (_("Cannot define static symbol: %s\n"), name
);
6966 p
= input_line_pointer
;
6968 input_line_pointer
++;
6972 S_CLEAR_EXTERNAL (symbol
);
6973 p
= input_line_pointer
;
6975 if (!is_end_of_statement ())
6977 input_line_pointer
++;
6978 pa_type_args (symbol
, 0);
6982 demand_empty_rest_of_line ();
6985 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6986 of a procedure from a syntactical point of view. */
6990 int unused ATTRIBUTE_UNUSED
;
6992 struct call_info
*call_info
;
6995 /* We must have a valid space and subspace. */
6996 pa_check_current_space_and_subspace ();
6999 if (within_procedure
)
7000 as_fatal (_("Nested procedures"));
7002 /* Reset global variables for new procedure. */
7003 callinfo_found
= FALSE
;
7004 within_procedure
= TRUE
;
7006 /* Create another call_info structure. */
7007 call_info
= (struct call_info
*) xmalloc (sizeof (struct call_info
));
7010 as_fatal (_("Cannot allocate unwind descriptor\n"));
7012 memset (call_info
, 0, sizeof (struct call_info
));
7014 call_info
->ci_next
= NULL
;
7016 if (call_info_root
== NULL
)
7018 call_info_root
= call_info
;
7019 last_call_info
= call_info
;
7023 last_call_info
->ci_next
= call_info
;
7024 last_call_info
= call_info
;
7027 /* set up defaults on call_info structure */
7029 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7030 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7031 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7033 /* If we got a .PROC pseudo-op, we know that the function is defined
7034 locally. Make sure it gets into the symbol table. */
7036 label_symbol_struct
*label_symbol
= pa_get_label ();
7040 if (label_symbol
->lss_label
)
7042 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7043 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7046 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7049 last_call_info
->start_symbol
= NULL
;
7052 demand_empty_rest_of_line ();
7055 /* Process the syntatical end of a procedure. Make sure all the
7056 appropriate pseudo-ops were found within the procedure. */
7060 int unused ATTRIBUTE_UNUSED
;
7064 /* We must have a valid space and subspace. */
7065 pa_check_current_space_and_subspace ();
7068 /* If we are within a procedure definition, make sure we've
7069 defined a label for the procedure; handle case where the
7070 label was defined after the .PROC directive.
7072 Note there's not need to diddle with the segment or fragment
7073 for the label symbol in this case. We have already switched
7074 into the new $CODE$ subspace at this point. */
7075 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7077 label_symbol_struct
*label_symbol
= pa_get_label ();
7081 if (label_symbol
->lss_label
)
7083 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7084 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7087 /* Also handle allocation of a fixup to hold the unwind
7088 information when the label appears after the proc/procend. */
7089 if (within_entry_exit
)
7094 where
= frag_more (0);
7095 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7096 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7097 NULL
, (offsetT
) 0, NULL
,
7098 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7103 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7106 as_bad (_("Missing function name for .PROC"));
7109 if (!within_procedure
)
7110 as_bad (_("misplaced .procend"));
7112 if (!callinfo_found
)
7113 as_bad (_("Missing .callinfo for this procedure"));
7115 if (within_entry_exit
)
7116 as_bad (_("Missing .EXIT for a .ENTRY"));
7119 /* ELF needs to mark the end of each function so that it can compute
7120 the size of the function (apparently its needed in the symbol table). */
7121 hppa_elf_mark_end_of_function ();
7124 within_procedure
= FALSE
;
7125 demand_empty_rest_of_line ();
7126 pa_undefine_label ();
7130 /* If VALUE is an exact power of two between zero and 2^31, then
7131 return log2 (VALUE). Else return -1. */
7139 while ((1 << shift
) != value
&& shift
< 32)
7148 /* Check to make sure we have a valid space and subspace. */
7151 pa_check_current_space_and_subspace ()
7153 if (current_space
== NULL
)
7154 as_fatal (_("Not in a space.\n"));
7156 if (current_subspace
== NULL
)
7157 as_fatal (_("Not in a subspace.\n"));
7160 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7161 then create a new space entry to hold the information specified
7162 by the parameters to the .SPACE directive. */
7164 static sd_chain_struct
*
7165 pa_parse_space_stmt (space_name
, create_flag
)
7169 char *name
, *ptemp
, c
;
7170 char loadable
, defined
, private, sort
;
7172 asection
*seg
= NULL
;
7173 sd_chain_struct
*space
;
7175 /* load default values */
7181 if (strcmp (space_name
, "$TEXT$") == 0)
7183 seg
= pa_def_spaces
[0].segment
;
7184 defined
= pa_def_spaces
[0].defined
;
7185 private = pa_def_spaces
[0].private;
7186 sort
= pa_def_spaces
[0].sort
;
7187 spnum
= pa_def_spaces
[0].spnum
;
7189 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7191 seg
= pa_def_spaces
[1].segment
;
7192 defined
= pa_def_spaces
[1].defined
;
7193 private = pa_def_spaces
[1].private;
7194 sort
= pa_def_spaces
[1].sort
;
7195 spnum
= pa_def_spaces
[1].spnum
;
7198 if (!is_end_of_statement ())
7200 print_errors
= FALSE
;
7201 ptemp
= input_line_pointer
+ 1;
7202 /* First see if the space was specified as a number rather than
7203 as a name. According to the PA assembly manual the rest of
7204 the line should be ignored. */
7206 pa_parse_number (&ptemp
, 0);
7210 input_line_pointer
= ptemp
;
7214 while (!is_end_of_statement ())
7216 input_line_pointer
++;
7217 name
= input_line_pointer
;
7218 c
= get_symbol_end ();
7219 if ((strncasecmp (name
, "spnum", 5) == 0))
7221 *input_line_pointer
= c
;
7222 input_line_pointer
++;
7223 spnum
= get_absolute_expression ();
7225 else if ((strncasecmp (name
, "sort", 4) == 0))
7227 *input_line_pointer
= c
;
7228 input_line_pointer
++;
7229 sort
= get_absolute_expression ();
7231 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7233 *input_line_pointer
= c
;
7236 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7238 *input_line_pointer
= c
;
7241 else if ((strncasecmp (name
, "private", 7) == 0))
7243 *input_line_pointer
= c
;
7248 as_bad (_("Invalid .SPACE argument"));
7249 *input_line_pointer
= c
;
7250 if (!is_end_of_statement ())
7251 input_line_pointer
++;
7255 print_errors
= TRUE
;
7258 if (create_flag
&& seg
== NULL
)
7259 seg
= subseg_new (space_name
, 0);
7261 /* If create_flag is nonzero, then create the new space with
7262 the attributes computed above. Else set the values in
7263 an already existing space -- this can only happen for
7264 the first occurence of a built-in space. */
7266 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7267 private, sort
, seg
, 1);
7270 space
= is_defined_space (space_name
);
7271 SPACE_SPNUM (space
) = spnum
;
7272 SPACE_DEFINED (space
) = defined
& 1;
7273 SPACE_USER_DEFINED (space
) = 1;
7276 #ifdef obj_set_section_attributes
7277 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7283 /* Handle a .SPACE pseudo-op; this switches the current space to the
7284 given space, creating the new space if necessary. */
7288 int unused ATTRIBUTE_UNUSED
;
7290 char *name
, c
, *space_name
, *save_s
;
7291 sd_chain_struct
*sd_chain
;
7293 if (within_procedure
)
7295 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7296 ignore_rest_of_line ();
7300 /* Check for some of the predefined spaces. FIXME: most of the code
7301 below is repeated several times, can we extract the common parts
7302 and place them into a subroutine or something similar? */
7303 /* FIXME Is this (and the next IF stmt) really right?
7304 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7305 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7307 input_line_pointer
+= 6;
7308 sd_chain
= is_defined_space ("$TEXT$");
7309 if (sd_chain
== NULL
)
7310 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7311 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7312 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7314 current_space
= sd_chain
;
7315 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7317 = pa_subsegment_to_subspace (text_section
,
7318 sd_chain
->sd_last_subseg
);
7319 demand_empty_rest_of_line ();
7322 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7324 input_line_pointer
+= 9;
7325 sd_chain
= is_defined_space ("$PRIVATE$");
7326 if (sd_chain
== NULL
)
7327 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7328 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7329 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7331 current_space
= sd_chain
;
7332 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7334 = pa_subsegment_to_subspace (data_section
,
7335 sd_chain
->sd_last_subseg
);
7336 demand_empty_rest_of_line ();
7339 if (!strncasecmp (input_line_pointer
,
7340 GDB_DEBUG_SPACE_NAME
,
7341 strlen (GDB_DEBUG_SPACE_NAME
)))
7343 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7344 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7345 if (sd_chain
== NULL
)
7346 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7347 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7348 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7350 current_space
= sd_chain
;
7353 asection
*gdb_section
7354 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7356 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7358 = pa_subsegment_to_subspace (gdb_section
,
7359 sd_chain
->sd_last_subseg
);
7361 demand_empty_rest_of_line ();
7365 /* It could be a space specified by number. */
7367 save_s
= input_line_pointer
;
7369 pa_parse_number (&input_line_pointer
, 0);
7372 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7374 current_space
= sd_chain
;
7376 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7378 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7379 sd_chain
->sd_last_subseg
);
7380 demand_empty_rest_of_line ();
7385 /* Not a number, attempt to create a new space. */
7387 input_line_pointer
= save_s
;
7388 name
= input_line_pointer
;
7389 c
= get_symbol_end ();
7390 space_name
= xmalloc (strlen (name
) + 1);
7391 strcpy (space_name
, name
);
7392 *input_line_pointer
= c
;
7394 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7395 current_space
= sd_chain
;
7397 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7398 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7399 sd_chain
->sd_last_subseg
);
7400 demand_empty_rest_of_line ();
7404 /* Switch to a new space. (I think). FIXME. */
7408 int unused ATTRIBUTE_UNUSED
;
7413 sd_chain_struct
*space
;
7415 name
= input_line_pointer
;
7416 c
= get_symbol_end ();
7417 space
= is_defined_space (name
);
7421 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7424 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7426 *input_line_pointer
= c
;
7427 demand_empty_rest_of_line ();
7430 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7431 given subspace, creating the new subspace if necessary.
7433 FIXME. Should mirror pa_space more closely, in particular how
7434 they're broken up into subroutines. */
7437 pa_subspace (create_new
)
7440 char *name
, *ss_name
, c
;
7441 char loadable
, code_only
, common
, dup_common
, zero
, sort
;
7442 int i
, access
, space_index
, alignment
, quadrant
, applicable
, flags
;
7443 sd_chain_struct
*space
;
7444 ssd_chain_struct
*ssd
;
7447 if (current_space
== NULL
)
7448 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7450 if (within_procedure
)
7452 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7453 ignore_rest_of_line ();
7457 name
= input_line_pointer
;
7458 c
= get_symbol_end ();
7459 ss_name
= xmalloc (strlen (name
) + 1);
7460 strcpy (ss_name
, name
);
7461 *input_line_pointer
= c
;
7463 /* Load default values. */
7475 space
= current_space
;
7479 ssd
= is_defined_subspace (ss_name
);
7480 /* Allow user to override the builtin attributes of subspaces. But
7481 only allow the attributes to be changed once! */
7482 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7484 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7485 current_subspace
= ssd
;
7486 if (!is_end_of_statement ())
7487 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7488 demand_empty_rest_of_line ();
7493 /* A new subspace. Load default values if it matches one of
7494 the builtin subspaces. */
7496 while (pa_def_subspaces
[i
].name
)
7498 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7500 loadable
= pa_def_subspaces
[i
].loadable
;
7501 common
= pa_def_subspaces
[i
].common
;
7502 dup_common
= pa_def_subspaces
[i
].dup_common
;
7503 code_only
= pa_def_subspaces
[i
].code_only
;
7504 zero
= pa_def_subspaces
[i
].zero
;
7505 space_index
= pa_def_subspaces
[i
].space_index
;
7506 alignment
= pa_def_subspaces
[i
].alignment
;
7507 quadrant
= pa_def_subspaces
[i
].quadrant
;
7508 access
= pa_def_subspaces
[i
].access
;
7509 sort
= pa_def_subspaces
[i
].sort
;
7516 /* We should be working with a new subspace now. Fill in
7517 any information as specified by the user. */
7518 if (!is_end_of_statement ())
7520 input_line_pointer
++;
7521 while (!is_end_of_statement ())
7523 name
= input_line_pointer
;
7524 c
= get_symbol_end ();
7525 if ((strncasecmp (name
, "quad", 4) == 0))
7527 *input_line_pointer
= c
;
7528 input_line_pointer
++;
7529 quadrant
= get_absolute_expression ();
7531 else if ((strncasecmp (name
, "align", 5) == 0))
7533 *input_line_pointer
= c
;
7534 input_line_pointer
++;
7535 alignment
= get_absolute_expression ();
7536 if (log2 (alignment
) == -1)
7538 as_bad (_("Alignment must be a power of 2"));
7542 else if ((strncasecmp (name
, "access", 6) == 0))
7544 *input_line_pointer
= c
;
7545 input_line_pointer
++;
7546 access
= get_absolute_expression ();
7548 else if ((strncasecmp (name
, "sort", 4) == 0))
7550 *input_line_pointer
= c
;
7551 input_line_pointer
++;
7552 sort
= get_absolute_expression ();
7554 else if ((strncasecmp (name
, "code_only", 9) == 0))
7556 *input_line_pointer
= c
;
7559 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7561 *input_line_pointer
= c
;
7564 else if ((strncasecmp (name
, "common", 6) == 0))
7566 *input_line_pointer
= c
;
7569 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7571 *input_line_pointer
= c
;
7574 else if ((strncasecmp (name
, "zero", 4) == 0))
7576 *input_line_pointer
= c
;
7579 else if ((strncasecmp (name
, "first", 5) == 0))
7580 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7582 as_bad (_("Invalid .SUBSPACE argument"));
7583 if (!is_end_of_statement ())
7584 input_line_pointer
++;
7588 /* Compute a reasonable set of BFD flags based on the information
7589 in the .subspace directive. */
7590 applicable
= bfd_applicable_section_flags (stdoutput
);
7593 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7596 if (common
|| dup_common
)
7597 flags
|= SEC_IS_COMMON
;
7599 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7601 /* This is a zero-filled subspace (eg BSS). */
7603 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7605 applicable
&= flags
;
7607 /* If this is an existing subspace, then we want to use the
7608 segment already associated with the subspace.
7610 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7611 lots of sections. It might be a problem in the PA ELF
7612 code, I do not know yet. For now avoid creating anything
7613 but the "standard" sections for ELF. */
7615 section
= subseg_force_new (ss_name
, 0);
7617 section
= ssd
->ssd_seg
;
7619 section
= subseg_new (ss_name
, 0);
7622 seg_info (section
)->bss
= 1;
7624 /* Now set the flags. */
7625 bfd_set_section_flags (stdoutput
, section
, applicable
);
7627 /* Record any alignment request for this section. */
7628 record_alignment (section
, log2 (alignment
));
7630 /* Set the starting offset for this section. */
7631 bfd_set_section_vma (stdoutput
, section
,
7632 pa_subspace_start (space
, quadrant
));
7634 /* Now that all the flags are set, update an existing subspace,
7635 or create a new one. */
7638 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7639 code_only
, common
, dup_common
,
7640 sort
, zero
, access
, space_index
,
7641 alignment
, quadrant
,
7644 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7646 dup_common
, zero
, sort
,
7647 access
, space_index
,
7648 alignment
, quadrant
, section
);
7650 demand_empty_rest_of_line ();
7651 current_subspace
->ssd_seg
= section
;
7652 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7654 SUBSPACE_DEFINED (current_subspace
) = 1;
7657 /* Create default space and subspace dictionaries. */
7664 space_dict_root
= NULL
;
7665 space_dict_last
= NULL
;
7668 while (pa_def_spaces
[i
].name
)
7672 /* Pick the right name to use for the new section. */
7673 name
= pa_def_spaces
[i
].name
;
7675 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7676 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7677 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7678 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7679 pa_def_spaces
[i
].segment
, 0);
7684 while (pa_def_subspaces
[i
].name
)
7687 int applicable
, subsegment
;
7688 asection
*segment
= NULL
;
7689 sd_chain_struct
*space
;
7691 /* Pick the right name for the new section and pick the right
7692 subsegment number. */
7693 name
= pa_def_subspaces
[i
].name
;
7696 /* Create the new section. */
7697 segment
= subseg_new (name
, subsegment
);
7699 /* For SOM we want to replace the standard .text, .data, and .bss
7700 sections with our own. We also want to set BFD flags for
7701 all the built-in subspaces. */
7702 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7704 text_section
= segment
;
7705 applicable
= bfd_applicable_section_flags (stdoutput
);
7706 bfd_set_section_flags (stdoutput
, segment
,
7707 applicable
& (SEC_ALLOC
| SEC_LOAD
7708 | SEC_RELOC
| SEC_CODE
7710 | SEC_HAS_CONTENTS
));
7712 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7714 data_section
= segment
;
7715 applicable
= bfd_applicable_section_flags (stdoutput
);
7716 bfd_set_section_flags (stdoutput
, segment
,
7717 applicable
& (SEC_ALLOC
| SEC_LOAD
7719 | SEC_HAS_CONTENTS
));
7722 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7724 bss_section
= segment
;
7725 applicable
= bfd_applicable_section_flags (stdoutput
);
7726 bfd_set_section_flags (stdoutput
, segment
,
7727 applicable
& SEC_ALLOC
);
7729 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7731 applicable
= bfd_applicable_section_flags (stdoutput
);
7732 bfd_set_section_flags (stdoutput
, segment
,
7733 applicable
& (SEC_ALLOC
| SEC_LOAD
7736 | SEC_HAS_CONTENTS
));
7738 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7740 applicable
= bfd_applicable_section_flags (stdoutput
);
7741 bfd_set_section_flags (stdoutput
, segment
,
7742 applicable
& (SEC_ALLOC
| SEC_LOAD
7745 | SEC_HAS_CONTENTS
));
7747 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7749 applicable
= bfd_applicable_section_flags (stdoutput
);
7750 bfd_set_section_flags (stdoutput
, segment
,
7751 applicable
& (SEC_ALLOC
| SEC_LOAD
7754 | SEC_HAS_CONTENTS
));
7757 /* Find the space associated with this subspace. */
7758 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7759 def_space_index
].segment
);
7762 as_fatal (_("Internal error: Unable to find containing space for %s."),
7763 pa_def_subspaces
[i
].name
);
7766 create_new_subspace (space
, name
,
7767 pa_def_subspaces
[i
].loadable
,
7768 pa_def_subspaces
[i
].code_only
,
7769 pa_def_subspaces
[i
].common
,
7770 pa_def_subspaces
[i
].dup_common
,
7771 pa_def_subspaces
[i
].zero
,
7772 pa_def_subspaces
[i
].sort
,
7773 pa_def_subspaces
[i
].access
,
7774 pa_def_subspaces
[i
].space_index
,
7775 pa_def_subspaces
[i
].alignment
,
7776 pa_def_subspaces
[i
].quadrant
,
7782 /* Create a new space NAME, with the appropriate flags as defined
7783 by the given parameters. */
7785 static sd_chain_struct
*
7786 create_new_space (name
, spnum
, loadable
, defined
, private,
7787 sort
, seg
, user_defined
)
7797 sd_chain_struct
*chain_entry
;
7799 chain_entry
= (sd_chain_struct
*) xmalloc (sizeof (sd_chain_struct
));
7801 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7804 SPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7805 strcpy (SPACE_NAME (chain_entry
), name
);
7806 SPACE_DEFINED (chain_entry
) = defined
;
7807 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7808 SPACE_SPNUM (chain_entry
) = spnum
;
7810 chain_entry
->sd_seg
= seg
;
7811 chain_entry
->sd_last_subseg
= -1;
7812 chain_entry
->sd_subspaces
= NULL
;
7813 chain_entry
->sd_next
= NULL
;
7815 /* Find spot for the new space based on its sort key. */
7816 if (!space_dict_last
)
7817 space_dict_last
= chain_entry
;
7819 if (space_dict_root
== NULL
)
7820 space_dict_root
= chain_entry
;
7823 sd_chain_struct
*chain_pointer
;
7824 sd_chain_struct
*prev_chain_pointer
;
7826 chain_pointer
= space_dict_root
;
7827 prev_chain_pointer
= NULL
;
7829 while (chain_pointer
)
7831 prev_chain_pointer
= chain_pointer
;
7832 chain_pointer
= chain_pointer
->sd_next
;
7835 /* At this point we've found the correct place to add the new
7836 entry. So add it and update the linked lists as appropriate. */
7837 if (prev_chain_pointer
)
7839 chain_entry
->sd_next
= chain_pointer
;
7840 prev_chain_pointer
->sd_next
= chain_entry
;
7844 space_dict_root
= chain_entry
;
7845 chain_entry
->sd_next
= chain_pointer
;
7848 if (chain_entry
->sd_next
== NULL
)
7849 space_dict_last
= chain_entry
;
7852 /* This is here to catch predefined spaces which do not get
7853 modified by the user's input. Another call is found at
7854 the bottom of pa_parse_space_stmt to handle cases where
7855 the user modifies a predefined space. */
7856 #ifdef obj_set_section_attributes
7857 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7863 /* Create a new subspace NAME, with the appropriate flags as defined
7864 by the given parameters.
7866 Add the new subspace to the subspace dictionary chain in numerical
7867 order as defined by the SORT entries. */
7869 static ssd_chain_struct
*
7870 create_new_subspace (space
, name
, loadable
, code_only
, common
,
7871 dup_common
, is_zero
, sort
, access
, space_index
,
7872 alignment
, quadrant
, seg
)
7873 sd_chain_struct
*space
;
7875 int loadable
, code_only
, common
, dup_common
, is_zero
;
7883 ssd_chain_struct
*chain_entry
;
7885 chain_entry
= (ssd_chain_struct
*) xmalloc (sizeof (ssd_chain_struct
));
7887 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7889 SUBSPACE_NAME (chain_entry
) = (char *) xmalloc (strlen (name
) + 1);
7890 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7892 /* Initialize subspace_defined. When we hit a .subspace directive
7893 we'll set it to 1 which "locks-in" the subspace attributes. */
7894 SUBSPACE_DEFINED (chain_entry
) = 0;
7896 chain_entry
->ssd_subseg
= 0;
7897 chain_entry
->ssd_seg
= seg
;
7898 chain_entry
->ssd_next
= NULL
;
7900 /* Find spot for the new subspace based on its sort key. */
7901 if (space
->sd_subspaces
== NULL
)
7902 space
->sd_subspaces
= chain_entry
;
7905 ssd_chain_struct
*chain_pointer
;
7906 ssd_chain_struct
*prev_chain_pointer
;
7908 chain_pointer
= space
->sd_subspaces
;
7909 prev_chain_pointer
= NULL
;
7911 while (chain_pointer
)
7913 prev_chain_pointer
= chain_pointer
;
7914 chain_pointer
= chain_pointer
->ssd_next
;
7917 /* Now we have somewhere to put the new entry. Insert it and update
7919 if (prev_chain_pointer
)
7921 chain_entry
->ssd_next
= chain_pointer
;
7922 prev_chain_pointer
->ssd_next
= chain_entry
;
7926 space
->sd_subspaces
= chain_entry
;
7927 chain_entry
->ssd_next
= chain_pointer
;
7931 #ifdef obj_set_subsection_attributes
7932 obj_set_subsection_attributes (seg
, space
->sd_seg
, access
,
7939 /* Update the information for the given subspace based upon the
7940 various arguments. Return the modified subspace chain entry. */
7942 static ssd_chain_struct
*
7943 update_subspace (space
, name
, loadable
, code_only
, common
, dup_common
, sort
,
7944 zero
, access
, space_index
, alignment
, quadrant
, section
)
7945 sd_chain_struct
*space
;
7959 ssd_chain_struct
*chain_entry
;
7961 chain_entry
= is_defined_subspace (name
);
7963 #ifdef obj_set_subsection_attributes
7964 obj_set_subsection_attributes (section
, space
->sd_seg
, access
,
7971 /* Return the space chain entry for the space with the name NAME or
7972 NULL if no such space exists. */
7974 static sd_chain_struct
*
7975 is_defined_space (name
)
7978 sd_chain_struct
*chain_pointer
;
7980 for (chain_pointer
= space_dict_root
;
7982 chain_pointer
= chain_pointer
->sd_next
)
7984 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7985 return chain_pointer
;
7988 /* No mapping from segment to space was found. Return NULL. */
7992 /* Find and return the space associated with the given seg. If no mapping
7993 from the given seg to a space is found, then return NULL.
7995 Unlike subspaces, the number of spaces is not expected to grow much,
7996 so a linear exhaustive search is OK here. */
7998 static sd_chain_struct
*
7999 pa_segment_to_space (seg
)
8002 sd_chain_struct
*space_chain
;
8004 /* Walk through each space looking for the correct mapping. */
8005 for (space_chain
= space_dict_root
;
8007 space_chain
= space_chain
->sd_next
)
8009 if (space_chain
->sd_seg
== seg
)
8013 /* Mapping was not found. Return NULL. */
8017 /* Return the space chain entry for the subspace with the name NAME or
8018 NULL if no such subspace exists.
8020 Uses a linear search through all the spaces and subspaces, this may
8021 not be appropriate if we ever being placing each function in its
8024 static ssd_chain_struct
*
8025 is_defined_subspace (name
)
8028 sd_chain_struct
*space_chain
;
8029 ssd_chain_struct
*subspace_chain
;
8031 /* Walk through each space. */
8032 for (space_chain
= space_dict_root
;
8034 space_chain
= space_chain
->sd_next
)
8036 /* Walk through each subspace looking for a name which matches. */
8037 for (subspace_chain
= space_chain
->sd_subspaces
;
8039 subspace_chain
= subspace_chain
->ssd_next
)
8040 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8041 return subspace_chain
;
8044 /* Subspace wasn't found. Return NULL. */
8048 /* Find and return the subspace associated with the given seg. If no
8049 mapping from the given seg to a subspace is found, then return NULL.
8051 If we ever put each procedure/function within its own subspace
8052 (to make life easier on the compiler and linker), then this will have
8053 to become more efficient. */
8055 static ssd_chain_struct
*
8056 pa_subsegment_to_subspace (seg
, subseg
)
8060 sd_chain_struct
*space_chain
;
8061 ssd_chain_struct
*subspace_chain
;
8063 /* Walk through each space. */
8064 for (space_chain
= space_dict_root
;
8066 space_chain
= space_chain
->sd_next
)
8068 if (space_chain
->sd_seg
== seg
)
8070 /* Walk through each subspace within each space looking for
8071 the correct mapping. */
8072 for (subspace_chain
= space_chain
->sd_subspaces
;
8074 subspace_chain
= subspace_chain
->ssd_next
)
8075 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8076 return subspace_chain
;
8080 /* No mapping from subsegment to subspace found. Return NULL. */
8084 /* Given a number, try and find a space with the name number.
8086 Return a pointer to a space dictionary chain entry for the space
8087 that was found or NULL on failure. */
8089 static sd_chain_struct
*
8090 pa_find_space_by_number (number
)
8093 sd_chain_struct
*space_chain
;
8095 for (space_chain
= space_dict_root
;
8097 space_chain
= space_chain
->sd_next
)
8099 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8103 /* No appropriate space found. Return NULL. */
8107 /* Return the starting address for the given subspace. If the starting
8108 address is unknown then return zero. */
8111 pa_subspace_start (space
, quadrant
)
8112 sd_chain_struct
*space
;
8115 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8116 is not correct for the PA OSF1 port. */
8117 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8119 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8126 /* FIXME. Needs documentation. */
8128 pa_next_subseg (space
)
8129 sd_chain_struct
*space
;
8132 space
->sd_last_subseg
++;
8133 return space
->sd_last_subseg
;
8137 /* Helper function for pa_stringer. Used to find the end of
8144 unsigned int c
= *s
& CHAR_MASK
;
8157 /* Handle a .STRING type pseudo-op. */
8160 pa_stringer (append_zero
)
8163 char *s
, num_buf
[4];
8167 /* Preprocess the string to handle PA-specific escape sequences.
8168 For example, \xDD where DD is a hexadecimal number should be
8169 changed to \OOO where OOO is an octal number. */
8172 /* We must have a valid space and subspace. */
8173 pa_check_current_space_and_subspace ();
8176 /* Skip the opening quote. */
8177 s
= input_line_pointer
+ 1;
8179 while (is_a_char (c
= pa_stringer_aux (s
++)))
8186 /* Handle \x<num>. */
8189 unsigned int number
;
8194 /* Get past the 'x'. */
8196 for (num_digit
= 0, number
= 0, dg
= *s
;
8198 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8199 || (dg
>= 'A' && dg
<= 'F'));
8203 number
= number
* 16 + dg
- '0';
8204 else if (dg
>= 'a' && dg
<= 'f')
8205 number
= number
* 16 + dg
- 'a' + 10;
8207 number
= number
* 16 + dg
- 'A' + 10;
8217 sprintf (num_buf
, "%02o", number
);
8220 sprintf (num_buf
, "%03o", number
);
8223 for (i
= 0; i
<= num_digit
; i
++)
8224 s_start
[i
] = num_buf
[i
];
8228 /* This might be a "\"", skip over the escaped char. */
8235 stringer (append_zero
);
8236 pa_undefine_label ();
8239 /* Handle a .VERSION pseudo-op. */
8243 int unused ATTRIBUTE_UNUSED
;
8246 pa_undefine_label ();
8251 /* Handle a .COMPILER pseudo-op. */
8254 pa_compiler (unused
)
8255 int unused ATTRIBUTE_UNUSED
;
8257 obj_som_compiler (0);
8258 pa_undefine_label ();
8263 /* Handle a .COPYRIGHT pseudo-op. */
8266 pa_copyright (unused
)
8267 int unused ATTRIBUTE_UNUSED
;
8270 pa_undefine_label ();
8273 /* Just like a normal cons, but when finished we have to undefine
8274 the latest space label. */
8281 pa_undefine_label ();
8284 /* Like float_cons, but we need to undefine our label. */
8287 pa_float_cons (float_type
)
8290 float_cons (float_type
);
8291 pa_undefine_label ();
8294 /* Like s_fill, but delete our label when finished. */
8298 int unused ATTRIBUTE_UNUSED
;
8301 /* We must have a valid space and subspace. */
8302 pa_check_current_space_and_subspace ();
8306 pa_undefine_label ();
8309 /* Like lcomm, but delete our label when finished. */
8312 pa_lcomm (needs_align
)
8316 /* We must have a valid space and subspace. */
8317 pa_check_current_space_and_subspace ();
8320 s_lcomm (needs_align
);
8321 pa_undefine_label ();
8324 /* Like lsym, but delete our label when finished. */
8328 int unused ATTRIBUTE_UNUSED
;
8331 /* We must have a valid space and subspace. */
8332 pa_check_current_space_and_subspace ();
8336 pa_undefine_label ();
8339 /* On the PA relocations which involve function symbols must not be
8340 adjusted. This so that the linker can know when/how to create argument
8341 relocation stubs for indirect calls and calls to static functions.
8343 "T" field selectors create DLT relative fixups for accessing
8344 globals and statics in PIC code; each DLT relative fixup creates
8345 an entry in the DLT table. The entries contain the address of
8346 the final target (eg accessing "foo" would create a DLT entry
8347 with the address of "foo").
8349 Unfortunately, the HP linker doesn't take into account any addend
8350 when generating the DLT; so accessing $LIT$+8 puts the address of
8351 $LIT$ into the DLT rather than the address of $LIT$+8.
8353 The end result is we can't perform relocation symbol reductions for
8354 any fixup which creates entries in the DLT (eg they use "T" field
8357 Reject reductions involving symbols with external scope; such
8358 reductions make life a living hell for object file editors.
8360 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8361 the code space. The SOM BFD backend doesn't know how to pull the
8362 right bits out of an instruction. */
8365 hppa_fix_adjustable (fixp
)
8369 struct hppa_fix_struct
*hppa_fix
;
8371 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8374 /* Reject reductions of symbols in 32bit relocs. */
8375 if (fixp
->fx_r_type
== R_HPPA
&& hppa_fix
->fx_r_format
== 32)
8380 /* LR/RR selectors are implicitly used for a number of different relocation
8381 types. We must ensure that none of these types are adjusted (see below)
8382 even if they occur with a different selector. */
8383 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8384 hppa_fix
->fx_r_format
,
8385 hppa_fix
->fx_r_field
);
8389 /* Relocation types which use e_lrsel. */
8390 case R_PARISC_DIR21L
:
8391 case R_PARISC_DLTREL21L
:
8392 case R_PARISC_DPREL21L
:
8393 case R_PARISC_PLTOFF21L
:
8395 /* Relocation types which use e_rrsel. */
8396 case R_PARISC_DIR14R
:
8397 case R_PARISC_DIR14DR
:
8398 case R_PARISC_DIR14WR
:
8399 case R_PARISC_DIR17R
:
8400 case R_PARISC_DLTREL14R
:
8401 case R_PARISC_DLTREL14DR
:
8402 case R_PARISC_DLTREL14WR
:
8403 case R_PARISC_DPREL14R
:
8404 case R_PARISC_DPREL14DR
:
8405 case R_PARISC_DPREL14WR
:
8406 case R_PARISC_PLTOFF14R
:
8407 case R_PARISC_PLTOFF14DR
:
8408 case R_PARISC_PLTOFF14WR
:
8410 /* Other types that we reject for reduction. */
8411 case R_PARISC_GNU_VTENTRY
:
8412 case R_PARISC_GNU_VTINHERIT
:
8419 /* Reject reductions of symbols in sym1-sym2 expressions when
8420 the fixup will occur in a CODE subspace.
8422 XXX FIXME: Long term we probably want to reject all of these;
8423 for example reducing in the debug section would lose if we ever
8424 supported using the optimizing hp linker. */
8427 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8430 /* We can't adjust any relocs that use LR% and RR% field selectors.
8432 If a symbol is reduced to a section symbol, the assembler will
8433 adjust the addend unless the symbol happens to reside right at
8434 the start of the section. Additionally, the linker has no choice
8435 but to manipulate the addends when coalescing input sections for
8436 "ld -r". Since an LR% field selector is defined to round the
8437 addend, we can't change the addend without risking that a LR% and
8438 it's corresponding (possible multiple) RR% field will no longer
8439 sum to the right value.
8442 . ldil LR%foo+0,%r21
8443 . ldw RR%foo+0(%r21),%r26
8444 . ldw RR%foo+4(%r21),%r25
8446 If foo is at address 4092 (decimal) in section `sect', then after
8447 reducing to the section symbol we get
8448 . LR%sect+4092 == (L%sect)+0
8449 . RR%sect+4092 == (R%sect)+4092
8450 . RR%sect+4096 == (R%sect)-4096
8451 and the last address loses because rounding the addend to 8k
8452 mutiples takes us up to 8192 with an offset of -4096.
8454 In cases where the LR% expression is identical to the RR% one we
8455 will never have a problem, but is so happens that gcc rounds
8456 addends involved in LR% field selectors to work around a HP
8457 linker bug. ie. We often have addresses like the last case
8458 above where the LR% expression is offset from the RR% one. */
8460 if (hppa_fix
->fx_r_field
== e_lrsel
8461 || hppa_fix
->fx_r_field
== e_rrsel
8462 || hppa_fix
->fx_r_field
== e_nlrsel
)
8465 /* Reject reductions of symbols in DLT relative relocs,
8466 relocations with plabels. */
8467 if (hppa_fix
->fx_r_field
== e_tsel
8468 || hppa_fix
->fx_r_field
== e_ltsel
8469 || hppa_fix
->fx_r_field
== e_rtsel
8470 || hppa_fix
->fx_r_field
== e_psel
8471 || hppa_fix
->fx_r_field
== e_rpsel
8472 || hppa_fix
->fx_r_field
== e_lpsel
)
8475 /* Reject absolute calls (jumps). */
8476 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8479 /* Reject reductions of function symbols. */
8480 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8486 /* Return nonzero if the fixup in FIXP will require a relocation,
8487 even it if appears that the fixup could be completely handled
8491 hppa_force_relocation (fixp
)
8494 struct hppa_fix_struct
*hppa_fixp
;
8496 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8498 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8499 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8500 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8501 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8502 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8503 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8504 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8505 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8509 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8510 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8514 assert (fixp
->fx_addsy
!= NULL
);
8516 /* Ensure we emit a relocation for global symbols so that dynamic
8518 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8521 /* It is necessary to force PC-relative calls/jumps to have a relocation
8522 entry if they're going to need either an argument relocation or long
8525 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8526 hppa_fixp
->fx_arg_reloc
))
8529 /* Now check to see if we're going to need a long-branch stub. */
8530 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8532 long pc
= md_pcrel_from (fixp
);
8533 valueT distance
, min_stub_distance
;
8535 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8537 /* Distance to the closest possible stub. This will detect most
8538 but not all circumstances where a stub will not work. */
8539 min_stub_distance
= pc
+ 16;
8541 if (last_call_info
!= NULL
)
8542 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8545 if ((distance
+ 8388608 >= 16777216
8546 && min_stub_distance
<= 8388608)
8547 || (hppa_fixp
->fx_r_format
== 17
8548 && distance
+ 262144 >= 524288
8549 && min_stub_distance
<= 262144)
8550 || (hppa_fixp
->fx_r_format
== 12
8551 && distance
+ 8192 >= 16384
8552 && min_stub_distance
<= 8192)
8557 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8560 /* No need (yet) to force another relocations to be emitted. */
8564 /* Now for some ELF specific code. FIXME. */
8566 /* Mark the end of a function so that it's possible to compute
8567 the size of the function in elf_hppa_final_processing. */
8570 hppa_elf_mark_end_of_function ()
8572 /* ELF does not have EXIT relocations. All we do is create a
8573 temporary symbol marking the end of the function. */
8576 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
8578 /* We have already warned about a missing label,
8579 or other problems. */
8583 name
= (char *) xmalloc (strlen ("L$\001end_")
8584 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
8590 strcpy (name
, "L$\001end_");
8591 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
8593 /* If we have a .exit followed by a .procend, then the
8594 symbol will have already been defined. */
8595 symbolP
= symbol_find (name
);
8598 /* The symbol has already been defined! This can
8599 happen if we have a .exit followed by a .procend.
8601 This is *not* an error. All we want to do is free
8602 the memory we just allocated for the name and continue. */
8607 /* symbol value should be the offset of the
8608 last instruction of the function */
8609 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
8613 S_CLEAR_EXTERNAL (symbolP
);
8614 symbol_table_insert (symbolP
);
8618 last_call_info
->end_symbol
= symbolP
;
8620 as_bad (_("Symbol '%s' could not be created."), name
);
8624 as_bad (_("No memory for symbol name."));
8628 /* For ELF, this function serves one purpose: to setup the st_size
8629 field of STT_FUNC symbols. To do this, we need to scan the
8630 call_info structure list, determining st_size in by taking the
8631 difference in the address of the beginning/end marker symbols. */
8634 elf_hppa_final_processing ()
8636 struct call_info
*call_info_pointer
;
8638 for (call_info_pointer
= call_info_root
;
8640 call_info_pointer
= call_info_pointer
->ci_next
)
8642 elf_symbol_type
*esym
8643 = ((elf_symbol_type
*)
8644 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8645 esym
->internal_elf_sym
.st_size
=
8646 S_GET_VALUE (call_info_pointer
->end_symbol
)
8647 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8652 pa_vtable_entry (ignore
)
8653 int ignore ATTRIBUTE_UNUSED
;
8655 struct fix
*new_fix
;
8657 new_fix
= obj_elf_vtable_entry (0);
8661 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8662 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8663 hppa_fix
->fx_r_type
= R_HPPA
;
8664 hppa_fix
->fx_r_field
= e_fsel
;
8665 hppa_fix
->fx_r_format
= 32;
8666 hppa_fix
->fx_arg_reloc
= 0;
8667 hppa_fix
->segment
= now_seg
;
8668 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8669 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8674 pa_vtable_inherit (ignore
)
8675 int ignore ATTRIBUTE_UNUSED
;
8677 struct fix
*new_fix
;
8679 new_fix
= obj_elf_vtable_inherit (0);
8683 struct hppa_fix_struct
*hppa_fix
= (struct hppa_fix_struct
*)
8684 obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8685 hppa_fix
->fx_r_type
= R_HPPA
;
8686 hppa_fix
->fx_r_field
= e_fsel
;
8687 hppa_fix
->fx_r_format
= 32;
8688 hppa_fix
->fx_arg_reloc
= 0;
8689 hppa_fix
->segment
= now_seg
;
8690 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8691 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;