1 /* tc-sparc.c -- Assemble for the SPARC
2 Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
4 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 3, 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
18 License along with GAS; see the file COPYING. If not, write
19 to the Free Software Foundation, 51 Franklin Street - Fifth Floor,
20 Boston, MA 02110-1301, USA. */
23 #include "safe-ctype.h"
26 #include "opcode/sparc.h"
27 #include "dw2gencfi.h"
30 #include "elf/sparc.h"
31 #include "dwarf2dbg.h"
34 /* Some ancient Sun C compilers would not take such hex constants as
35 unsigned, and would end up sign-extending them to form an offsetT,
36 so use these constants instead. */
37 #define U0xffffffff ((((unsigned long) 1 << 16) << 16) - 1)
38 #define U0x80000000 ((((unsigned long) 1 << 16) << 15))
40 static struct sparc_arch *lookup_arch PARAMS ((char *));
41 static void init_default_arch PARAMS ((void));
42 static int sparc_ip PARAMS ((char *, const struct sparc_opcode **));
43 static int in_signed_range PARAMS ((bfd_signed_vma, bfd_signed_vma));
44 static int in_unsigned_range PARAMS ((bfd_vma, bfd_vma));
45 static int in_bitfield_range PARAMS ((bfd_signed_vma, bfd_signed_vma));
46 static int sparc_ffs PARAMS ((unsigned int));
47 static void synthetize_setuw PARAMS ((const struct sparc_opcode *));
48 static void synthetize_setsw PARAMS ((const struct sparc_opcode *));
49 static void synthetize_setx PARAMS ((const struct sparc_opcode *));
50 static bfd_vma BSR PARAMS ((bfd_vma, int));
51 static int cmp_reg_entry PARAMS ((const PTR, const PTR));
52 static int parse_keyword_arg PARAMS ((int (*) (const char *), char **, int *));
53 static int parse_const_expr_arg PARAMS ((char **, int *));
54 static int get_expression PARAMS ((char *str));
56 /* Default architecture. */
57 /* ??? The default value should be V8, but sparclite support was added
58 by making it the default. GCC now passes -Asparclite, so maybe sometime in
59 the future we can set this to V8. */
61 #define DEFAULT_ARCH "sparclite"
63 static char *default_arch = DEFAULT_ARCH;
65 /* Non-zero if the initial values of `max_architecture' and `sparc_arch_size'
67 static int default_init_p;
69 /* Current architecture. We don't bump up unless necessary. */
70 static enum sparc_opcode_arch_val current_architecture = SPARC_OPCODE_ARCH_V6;
72 /* The maximum architecture level we can bump up to.
73 In a 32 bit environment, don't allow bumping up to v9 by default.
74 The native assembler works this way. The user is required to pass
75 an explicit argument before we'll create v9 object files. However, if
76 we don't see any v9 insns, a v8plus object file is not created. */
77 static enum sparc_opcode_arch_val max_architecture;
79 /* Either 32 or 64, selects file format. */
80 static int sparc_arch_size;
81 /* Initial (default) value, recorded separately in case a user option
82 changes the value before md_show_usage is called. */
83 static int default_arch_size;
86 /* The currently selected v9 memory model. Currently only used for
88 static enum { MM_TSO, MM_PSO, MM_RMO } sparc_memory_model = MM_RMO;
91 static int architecture_requested;
92 static int warn_on_bump;
94 /* If warn_on_bump and the needed architecture is higher than this
95 architecture, issue a warning. */
96 static enum sparc_opcode_arch_val warn_after_architecture;
98 /* Non-zero if as should generate error if an undeclared g[23] register
99 has been used in -64. */
100 static int no_undeclared_regs;
102 /* Non-zero if we should try to relax jumps and calls. */
103 static int sparc_relax;
105 /* Non-zero if we are generating PIC code. */
108 /* Non-zero if we should give an error when misaligned data is seen. */
109 static int enforce_aligned_data;
111 extern int target_big_endian;
113 static int target_little_endian_data;
115 /* Symbols for global registers on v9. */
116 static symbolS *globals[8];
118 /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
119 int sparc_cie_data_alignment;
121 /* V9 and 86x have big and little endian data, but instructions are always big
122 endian. The sparclet has bi-endian support but both data and insns have
123 the same endianness. Global `target_big_endian' is used for data.
124 The following macro is used for instructions. */
125 #ifndef INSN_BIG_ENDIAN
126 #define INSN_BIG_ENDIAN (target_big_endian \
127 || default_arch_type == sparc86x \
128 || SPARC_OPCODE_ARCH_V9_P (max_architecture))
131 /* Handle of the OPCODE hash table. */
132 static struct hash_control *op_hash;
134 static int mylog2 PARAMS ((int));
135 static void s_data1 PARAMS ((void));
136 static void s_seg PARAMS ((int));
137 static void s_proc PARAMS ((int));
138 static void s_reserve PARAMS ((int));
139 static void s_common PARAMS ((int));
140 static void s_empty PARAMS ((int));
141 static void s_uacons PARAMS ((int));
142 static void s_ncons PARAMS ((int));
144 static void s_register PARAMS ((int));
147 const pseudo_typeS md_pseudo_table[] =
149 {"align", s_align_bytes, 0}, /* Defaulting is invalid (0). */
150 {"common", s_common, 0},
151 {"empty", s_empty, 0},
152 {"global", s_globl, 0},
154 {"nword", s_ncons, 0},
155 {"optim", s_ignore, 0},
157 {"reserve", s_reserve, 0},
159 {"skip", s_space, 0},
162 {"uahalf", s_uacons, 2},
163 {"uaword", s_uacons, 4},
164 {"uaxword", s_uacons, 8},
166 /* These are specific to sparc/svr4. */
167 {"2byte", s_uacons, 2},
168 {"4byte", s_uacons, 4},
169 {"8byte", s_uacons, 8},
170 {"register", s_register, 0},
175 /* This array holds the chars that always start a comment. If the
176 pre-processor is disabled, these aren't very useful. */
177 const char comment_chars[] = "!"; /* JF removed '|' from
180 /* This array holds the chars that only start a comment at the beginning of
181 a line. If the line seems to have the form '# 123 filename'
182 .line and .file directives will appear in the pre-processed output. */
183 /* Note that input_file.c hand checks for '#' at the beginning of the
184 first line of the input file. This is because the compiler outputs
185 #NO_APP at the beginning of its output. */
186 /* Also note that comments started like this one will always
187 work if '/' isn't otherwise defined. */
188 const char line_comment_chars[] = "#";
190 const char line_separator_chars[] = ";";
192 /* Chars that can be used to separate mant from exp in floating point
194 const char EXP_CHARS[] = "eE";
196 /* Chars that mean this number is a floating point constant.
199 const char FLT_CHARS[] = "rRsSfFdDxXpP";
201 /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
202 changed in read.c. Ideally it shouldn't have to know about it at all,
203 but nothing is ideal around here. */
205 #define isoctal(c) ((unsigned) ((c) - '0') < 8)
210 unsigned long opcode;
211 struct nlist *nlistp;
215 bfd_reloc_code_real_type reloc;
218 struct sparc_it the_insn, set_insn;
220 static void output_insn
221 PARAMS ((const struct sparc_opcode *, struct sparc_it *));
223 /* Table of arguments to -A.
224 The sparc_opcode_arch table in sparc-opc.c is insufficient and incorrect
225 for this use. That table is for opcodes only. This table is for opcodes
228 enum sparc_arch_types {v6, v7, v8, sparclet, sparclite, sparc86x, v8plus,
229 v8plusa, v9, v9a, v9b, v9_64};
231 static struct sparc_arch {
234 enum sparc_arch_types arch_type;
235 /* Default word size, as specified during configuration.
236 A value of zero means can't be used to specify default architecture. */
237 int default_arch_size;
238 /* Allowable arg to -A? */
240 } sparc_arch_table[] = {
241 { "v6", "v6", v6, 0, 1 },
242 { "v7", "v7", v7, 0, 1 },
243 { "v8", "v8", v8, 32, 1 },
244 { "sparclet", "sparclet", sparclet, 32, 1 },
245 { "sparclite", "sparclite", sparclite, 32, 1 },
246 { "sparc86x", "sparclite", sparc86x, 32, 1 },
247 { "v8plus", "v9", v9, 0, 1 },
248 { "v8plusa", "v9a", v9, 0, 1 },
249 { "v8plusb", "v9b", v9, 0, 1 },
250 { "v9", "v9", v9, 0, 1 },
251 { "v9a", "v9a", v9, 0, 1 },
252 { "v9b", "v9b", v9, 0, 1 },
253 /* This exists to allow configure.in/Makefile.in to pass one
254 value to specify both the default machine and default word size. */
255 { "v9-64", "v9", v9, 64, 0 },
256 { NULL, NULL, v8, 0, 0 }
259 /* Variant of default_arch */
260 static enum sparc_arch_types default_arch_type;
262 static struct sparc_arch *
266 struct sparc_arch *sa;
268 for (sa = &sparc_arch_table[0]; sa->name != NULL; sa++)
269 if (strcmp (sa->name, name) == 0)
271 if (sa->name == NULL)
276 /* Initialize the default opcode arch and word size from the default
277 architecture name. */
282 struct sparc_arch *sa = lookup_arch (default_arch);
285 || sa->default_arch_size == 0)
286 as_fatal (_("Invalid default architecture, broken assembler."));
288 max_architecture = sparc_opcode_lookup_arch (sa->opcode_arch);
289 if (max_architecture == SPARC_OPCODE_ARCH_BAD)
290 as_fatal (_("Bad opcode table, broken assembler."));
291 default_arch_size = sparc_arch_size = sa->default_arch_size;
293 default_arch_type = sa->arch_type;
296 /* Called by TARGET_FORMAT. */
299 sparc_target_format ()
301 /* We don't get a chance to initialize anything before we're called,
302 so handle that now. */
303 if (! default_init_p)
304 init_default_arch ();
308 return "a.out-sparc-netbsd";
311 if (target_big_endian)
312 return "a.out-sunos-big";
313 else if (default_arch_type == sparc86x && target_little_endian_data)
314 return "a.out-sunos-big";
316 return "a.out-sparc-little";
318 return "a.out-sunos-big";
329 return "coff-sparc-lynx";
336 return "elf32-sparc-vxworks";
340 return sparc_arch_size == 64 ? ELF64_TARGET_FORMAT : ELF_TARGET_FORMAT;
347 * Invocation line includes a switch not recognized by the base assembler.
348 * See if it's a processor-specific option. These are:
351 * Warn on architecture bumps. See also -A.
353 * -Av6, -Av7, -Av8, -Asparclite, -Asparclet
354 * Standard 32 bit architectures.
356 * Sparc64 in either a 32 or 64 bit world (-32/-64 says which).
357 * This used to only mean 64 bits, but properly specifying it
358 * complicated gcc's ASM_SPECs, so now opcode selection is
359 * specified orthogonally to word size (except when specifying
360 * the default, but that is an internal implementation detail).
361 * -Av8plus, -Av8plusa, -Av8plusb
362 * Same as -Av9{,a,b}.
363 * -xarch=v8plus, -xarch=v8plusa, -xarch=v8plusb
364 * Same as -Av8plus{,a,b} -32, for compatibility with Sun's
366 * -xarch=v9, -xarch=v9a, -xarch=v9b
367 * Same as -Av9{,a,b} -64, for compatibility with Sun's
370 * Select the architecture and possibly the file format.
371 * Instructions or features not supported by the selected
372 * architecture cause fatal errors.
374 * The default is to start at v6, and bump the architecture up
375 * whenever an instruction is seen at a higher level. In 32 bit
376 * environments, v9 is not bumped up to, the user must pass
379 * If -bump is specified, a warning is printing when bumping to
382 * If an architecture is specified, all instructions must match
383 * that architecture. Any higher level instructions are flagged
384 * as errors. Note that in the 32 bit environment specifying
385 * -Av8plus does not automatically create a v8plus object file, a
386 * v9 insn must be seen.
388 * If both an architecture and -bump are specified, the
389 * architecture starts at the specified level, but bumps are
390 * warnings. Note that we can't set `current_architecture' to
391 * the requested level in this case: in the 32 bit environment,
392 * we still must avoid creating v8plus object files unless v9
396 * Bumping between incompatible architectures is always an
397 * error. For example, from sparclite to v9.
401 const char *md_shortopts = "A:K:VQ:sq";
404 const char *md_shortopts = "A:k";
406 const char *md_shortopts = "A:";
409 struct option md_longopts[] = {
410 #define OPTION_BUMP (OPTION_MD_BASE)
411 {"bump", no_argument, NULL, OPTION_BUMP},
412 #define OPTION_SPARC (OPTION_MD_BASE + 1)
413 {"sparc", no_argument, NULL, OPTION_SPARC},
414 #define OPTION_XARCH (OPTION_MD_BASE + 2)
415 {"xarch", required_argument, NULL, OPTION_XARCH},
417 #define OPTION_32 (OPTION_MD_BASE + 3)
418 {"32", no_argument, NULL, OPTION_32},
419 #define OPTION_64 (OPTION_MD_BASE + 4)
420 {"64", no_argument, NULL, OPTION_64},
421 #define OPTION_TSO (OPTION_MD_BASE + 5)
422 {"TSO", no_argument, NULL, OPTION_TSO},
423 #define OPTION_PSO (OPTION_MD_BASE + 6)
424 {"PSO", no_argument, NULL, OPTION_PSO},
425 #define OPTION_RMO (OPTION_MD_BASE + 7)
426 {"RMO", no_argument, NULL, OPTION_RMO},
428 #ifdef SPARC_BIENDIAN
429 #define OPTION_LITTLE_ENDIAN (OPTION_MD_BASE + 8)
430 {"EL", no_argument, NULL, OPTION_LITTLE_ENDIAN},
431 #define OPTION_BIG_ENDIAN (OPTION_MD_BASE + 9)
432 {"EB", no_argument, NULL, OPTION_BIG_ENDIAN},
434 #define OPTION_ENFORCE_ALIGNED_DATA (OPTION_MD_BASE + 10)
435 {"enforce-aligned-data", no_argument, NULL, OPTION_ENFORCE_ALIGNED_DATA},
436 #define OPTION_LITTLE_ENDIAN_DATA (OPTION_MD_BASE + 11)
437 {"little-endian-data", no_argument, NULL, OPTION_LITTLE_ENDIAN_DATA},
439 #define OPTION_NO_UNDECLARED_REGS (OPTION_MD_BASE + 12)
440 {"no-undeclared-regs", no_argument, NULL, OPTION_NO_UNDECLARED_REGS},
441 #define OPTION_UNDECLARED_REGS (OPTION_MD_BASE + 13)
442 {"undeclared-regs", no_argument, NULL, OPTION_UNDECLARED_REGS},
444 #define OPTION_RELAX (OPTION_MD_BASE + 14)
445 {"relax", no_argument, NULL, OPTION_RELAX},
446 #define OPTION_NO_RELAX (OPTION_MD_BASE + 15)
447 {"no-relax", no_argument, NULL, OPTION_NO_RELAX},
448 {NULL, no_argument, NULL, 0}
451 size_t md_longopts_size = sizeof (md_longopts);
454 md_parse_option (c, arg)
458 /* We don't get a chance to initialize anything before we're called,
459 so handle that now. */
460 if (! default_init_p)
461 init_default_arch ();
467 warn_after_architecture = SPARC_OPCODE_ARCH_V6;
472 if (strncmp (arg, "v9", 2) != 0)
473 md_parse_option (OPTION_32, NULL);
475 md_parse_option (OPTION_64, NULL);
481 struct sparc_arch *sa;
482 enum sparc_opcode_arch_val opcode_arch;
484 sa = lookup_arch (arg);
486 || ! sa->user_option_p)
488 if (c == OPTION_XARCH)
489 as_bad (_("invalid architecture -xarch=%s"), arg);
491 as_bad (_("invalid architecture -A%s"), arg);
495 opcode_arch = sparc_opcode_lookup_arch (sa->opcode_arch);
496 if (opcode_arch == SPARC_OPCODE_ARCH_BAD)
497 as_fatal (_("Bad opcode table, broken assembler."));
499 max_architecture = opcode_arch;
500 architecture_requested = 1;
505 /* Ignore -sparc, used by SunOS make default .s.o rule. */
508 case OPTION_ENFORCE_ALIGNED_DATA:
509 enforce_aligned_data = 1;
512 #ifdef SPARC_BIENDIAN
513 case OPTION_LITTLE_ENDIAN:
514 target_big_endian = 0;
515 if (default_arch_type != sparclet)
516 as_fatal ("This target does not support -EL");
518 case OPTION_LITTLE_ENDIAN_DATA:
519 target_little_endian_data = 1;
520 target_big_endian = 0;
521 if (default_arch_type != sparc86x
522 && default_arch_type != v9)
523 as_fatal ("This target does not support --little-endian-data");
525 case OPTION_BIG_ENDIAN:
526 target_big_endian = 1;
540 const char **list, **l;
542 sparc_arch_size = c == OPTION_32 ? 32 : 64;
543 list = bfd_target_list ();
544 for (l = list; *l != NULL; l++)
546 if (sparc_arch_size == 32)
548 if (CONST_STRNEQ (*l, "elf32-sparc"))
553 if (CONST_STRNEQ (*l, "elf64-sparc"))
558 as_fatal (_("No compiled in support for %d bit object file format"),
565 sparc_memory_model = MM_TSO;
569 sparc_memory_model = MM_PSO;
573 sparc_memory_model = MM_RMO;
581 /* Qy - do emit .comment
582 Qn - do not emit .comment. */
586 /* Use .stab instead of .stab.excl. */
590 /* quick -- Native assembler does fewer checks. */
594 if (strcmp (arg, "PIC") != 0)
595 as_warn (_("Unrecognized option following -K"));
600 case OPTION_NO_UNDECLARED_REGS:
601 no_undeclared_regs = 1;
604 case OPTION_UNDECLARED_REGS:
605 no_undeclared_regs = 0;
613 case OPTION_NO_RELAX:
625 md_show_usage (stream)
628 const struct sparc_arch *arch;
631 /* We don't get a chance to initialize anything before we're called,
632 so handle that now. */
633 if (! default_init_p)
634 init_default_arch ();
636 fprintf (stream, _("SPARC options:\n"));
638 for (arch = &sparc_arch_table[0]; arch->name; arch++)
640 if (!arch->user_option_p)
642 if (arch != &sparc_arch_table[0])
643 fprintf (stream, " | ");
644 if (column + strlen (arch->name) > 70)
647 fputc ('\n', stream);
649 column += 5 + 2 + strlen (arch->name);
650 fprintf (stream, "-A%s", arch->name);
652 for (arch = &sparc_arch_table[0]; arch->name; arch++)
654 if (!arch->user_option_p)
656 fprintf (stream, " | ");
657 if (column + strlen (arch->name) > 65)
660 fputc ('\n', stream);
662 column += 5 + 7 + strlen (arch->name);
663 fprintf (stream, "-xarch=%s", arch->name);
665 fprintf (stream, _("\n\
666 specify variant of SPARC architecture\n\
667 -bump warn when assembler switches architectures\n\
669 --enforce-aligned-data force .long, etc., to be aligned correctly\n\
670 -relax relax jumps and branches (default)\n\
671 -no-relax avoid changing any jumps and branches\n"));
673 fprintf (stream, _("\
674 -k generate PIC\n"));
677 fprintf (stream, _("\
678 -32 create 32 bit object file\n\
679 -64 create 64 bit object file\n"));
680 fprintf (stream, _("\
681 [default is %d]\n"), default_arch_size);
682 fprintf (stream, _("\
683 -TSO use Total Store Ordering\n\
684 -PSO use Partial Store Ordering\n\
685 -RMO use Relaxed Memory Ordering\n"));
686 fprintf (stream, _("\
687 [default is %s]\n"), (default_arch_size == 64) ? "RMO" : "TSO");
688 fprintf (stream, _("\
689 -KPIC generate PIC\n\
690 -V print assembler version number\n\
691 -undeclared-regs ignore application global register usage without\n\
692 appropriate .register directive (default)\n\
693 -no-undeclared-regs force error on application global register usage\n\
694 without appropriate .register directive\n\
699 #ifdef SPARC_BIENDIAN
700 fprintf (stream, _("\
701 -EL generate code for a little endian machine\n\
702 -EB generate code for a big endian machine\n\
703 --little-endian-data generate code for a machine having big endian\n\
704 instructions and little endian data.\n"));
708 /* Native operand size opcode translation. */
714 } native_op_table[] =
716 {"ldn", "ld", "ldx"},
717 {"ldna", "lda", "ldxa"},
718 {"stn", "st", "stx"},
719 {"stna", "sta", "stxa"},
720 {"slln", "sll", "sllx"},
721 {"srln", "srl", "srlx"},
722 {"sran", "sra", "srax"},
723 {"casn", "cas", "casx"},
724 {"casna", "casa", "casxa"},
725 {"clrn", "clr", "clrx"},
729 /* sparc64 privileged and hyperprivileged registers. */
731 struct priv_reg_entry
737 struct priv_reg_entry priv_reg_table[] =
757 {"", -1}, /* End marker. */
760 struct priv_reg_entry hpriv_reg_table[] =
768 {"", -1}, /* End marker. */
771 /* v9a specific asrs. */
773 struct priv_reg_entry v9a_asr_table[] =
776 {"sys_tick_cmpr", 25},
784 {"clear_softint", 21},
785 {"", -1}, /* End marker. */
789 cmp_reg_entry (parg, qarg)
793 const struct priv_reg_entry *p = (const struct priv_reg_entry *) parg;
794 const struct priv_reg_entry *q = (const struct priv_reg_entry *) qarg;
796 return strcmp (q->name, p->name);
799 /* This function is called once, at assembler startup time. It should
800 set up all the tables, etc. that the MD part of the assembler will
806 register const char *retval = NULL;
808 register unsigned int i = 0;
810 /* We don't get a chance to initialize anything before md_parse_option
811 is called, and it may not be called, so handle default initialization
812 now if not already done. */
813 if (! default_init_p)
814 init_default_arch ();
816 sparc_cie_data_alignment = sparc_arch_size == 64 ? -8 : -4;
817 op_hash = hash_new ();
819 while (i < (unsigned int) sparc_num_opcodes)
821 const char *name = sparc_opcodes[i].name;
822 retval = hash_insert (op_hash, name, (PTR) &sparc_opcodes[i]);
825 as_bad (_("Internal error: can't hash `%s': %s\n"),
826 sparc_opcodes[i].name, retval);
831 if (sparc_opcodes[i].match & sparc_opcodes[i].lose)
833 as_bad (_("Internal error: losing opcode: `%s' \"%s\"\n"),
834 sparc_opcodes[i].name, sparc_opcodes[i].args);
839 while (i < (unsigned int) sparc_num_opcodes
840 && !strcmp (sparc_opcodes[i].name, name));
843 for (i = 0; native_op_table[i].name; i++)
845 const struct sparc_opcode *insn;
846 char *name = ((sparc_arch_size == 32)
847 ? native_op_table[i].name32
848 : native_op_table[i].name64);
849 insn = (struct sparc_opcode *) hash_find (op_hash, name);
852 as_bad (_("Internal error: can't find opcode `%s' for `%s'\n"),
853 name, native_op_table[i].name);
858 retval = hash_insert (op_hash, native_op_table[i].name, (PTR) insn);
861 as_bad (_("Internal error: can't hash `%s': %s\n"),
862 sparc_opcodes[i].name, retval);
869 as_fatal (_("Broken assembler. No assembly attempted."));
871 qsort (priv_reg_table, sizeof (priv_reg_table) / sizeof (priv_reg_table[0]),
872 sizeof (priv_reg_table[0]), cmp_reg_entry);
874 /* If -bump, record the architecture level at which we start issuing
875 warnings. The behaviour is different depending upon whether an
876 architecture was explicitly specified. If it wasn't, we issue warnings
877 for all upwards bumps. If it was, we don't start issuing warnings until
878 we need to bump beyond the requested architecture or when we bump between
879 conflicting architectures. */
882 && architecture_requested)
884 /* `max_architecture' records the requested architecture.
885 Issue warnings if we go above it. */
886 warn_after_architecture = max_architecture;
888 /* Find the highest architecture level that doesn't conflict with
889 the requested one. */
890 for (max_architecture = SPARC_OPCODE_ARCH_MAX;
891 max_architecture > warn_after_architecture;
893 if (! SPARC_OPCODE_CONFLICT_P (max_architecture,
894 warn_after_architecture))
899 /* Called after all assembly has been done. */
904 unsigned long mach = bfd_mach_sparc;
906 if (sparc_arch_size == 64)
907 switch (current_architecture)
909 case SPARC_OPCODE_ARCH_V9A: mach = bfd_mach_sparc_v9a; break;
910 case SPARC_OPCODE_ARCH_V9B: mach = bfd_mach_sparc_v9b; break;
911 default: mach = bfd_mach_sparc_v9; break;
914 switch (current_architecture)
916 case SPARC_OPCODE_ARCH_SPARCLET: mach = bfd_mach_sparc_sparclet; break;
917 case SPARC_OPCODE_ARCH_V9: mach = bfd_mach_sparc_v8plus; break;
918 case SPARC_OPCODE_ARCH_V9A: mach = bfd_mach_sparc_v8plusa; break;
919 case SPARC_OPCODE_ARCH_V9B: mach = bfd_mach_sparc_v8plusb; break;
920 /* The sparclite is treated like a normal sparc. Perhaps it shouldn't
921 be but for now it is (since that's the way it's always been
925 bfd_set_arch_mach (stdoutput, bfd_arch_sparc, mach);
928 /* Return non-zero if VAL is in the range -(MAX+1) to MAX. */
931 in_signed_range (val, max)
932 bfd_signed_vma val, max;
936 /* Sign-extend the value from the architecture word size, so that
937 0xffffffff is always considered -1 on sparc32. */
938 if (sparc_arch_size == 32)
940 bfd_signed_vma sign = (bfd_signed_vma) 1 << 31;
941 val = ((val & U0xffffffff) ^ sign) - sign;
950 /* Return non-zero if VAL is in the range 0 to MAX. */
953 in_unsigned_range (val, max)
961 /* Return non-zero if VAL is in the range -(MAX/2+1) to MAX.
962 (e.g. -15 to +31). */
965 in_bitfield_range (val, max)
966 bfd_signed_vma val, max;
972 if (val < ~(max >> 1))
986 for (i = 0; (mask & 1) == 0; ++i)
991 /* Implement big shift right. */
997 if (sizeof (bfd_vma) <= 4 && amount >= 32)
998 as_fatal (_("Support for 64-bit arithmetic not compiled in."));
999 return val >> amount;
1002 /* For communication between sparc_ip and get_expression. */
1003 static char *expr_end;
1005 /* Values for `special_case'.
1006 Instructions that require wierd handling because they're longer than
1008 #define SPECIAL_CASE_NONE 0
1009 #define SPECIAL_CASE_SET 1
1010 #define SPECIAL_CASE_SETSW 2
1011 #define SPECIAL_CASE_SETX 3
1012 /* FIXME: sparc-opc.c doesn't have necessary "S" trigger to enable this. */
1013 #define SPECIAL_CASE_FDIV 4
1015 /* Bit masks of various insns. */
1016 #define NOP_INSN 0x01000000
1017 #define OR_INSN 0x80100000
1018 #define XOR_INSN 0x80180000
1019 #define FMOVS_INSN 0x81A00020
1020 #define SETHI_INSN 0x01000000
1021 #define SLLX_INSN 0x81281000
1022 #define SRA_INSN 0x81380000
1024 /* The last instruction to be assembled. */
1025 static const struct sparc_opcode *last_insn;
1026 /* The assembled opcode of `last_insn'. */
1027 static unsigned long last_opcode;
1029 /* Handle the set and setuw synthetic instructions. */
1032 synthetize_setuw (insn)
1033 const struct sparc_opcode *insn;
1035 int need_hi22_p = 0;
1036 int rd = (the_insn.opcode & RD (~0)) >> 25;
1038 if (the_insn.exp.X_op == O_constant)
1040 if (SPARC_OPCODE_ARCH_V9_P (max_architecture))
1042 if (sizeof (offsetT) > 4
1043 && (the_insn.exp.X_add_number < 0
1044 || the_insn.exp.X_add_number > (offsetT) U0xffffffff))
1045 as_warn (_("set: number not in 0..4294967295 range"));
1049 if (sizeof (offsetT) > 4
1050 && (the_insn.exp.X_add_number < -(offsetT) U0x80000000
1051 || the_insn.exp.X_add_number > (offsetT) U0xffffffff))
1052 as_warn (_("set: number not in -2147483648..4294967295 range"));
1053 the_insn.exp.X_add_number = (int) the_insn.exp.X_add_number;
1057 /* See if operand is absolute and small; skip sethi if so. */
1058 if (the_insn.exp.X_op != O_constant
1059 || the_insn.exp.X_add_number >= (1 << 12)
1060 || the_insn.exp.X_add_number < -(1 << 12))
1062 the_insn.opcode = (SETHI_INSN | RD (rd)
1063 | ((the_insn.exp.X_add_number >> 10)
1064 & (the_insn.exp.X_op == O_constant
1066 the_insn.reloc = (the_insn.exp.X_op != O_constant
1067 ? BFD_RELOC_HI22 : BFD_RELOC_NONE);
1068 output_insn (insn, &the_insn);
1072 /* See if operand has no low-order bits; skip OR if so. */
1073 if (the_insn.exp.X_op != O_constant
1074 || (need_hi22_p && (the_insn.exp.X_add_number & 0x3FF) != 0)
1077 the_insn.opcode = (OR_INSN | (need_hi22_p ? RS1 (rd) : 0)
1079 | (the_insn.exp.X_add_number
1080 & (the_insn.exp.X_op != O_constant
1081 ? 0 : need_hi22_p ? 0x3ff : 0x1fff)));
1082 the_insn.reloc = (the_insn.exp.X_op != O_constant
1083 ? BFD_RELOC_LO10 : BFD_RELOC_NONE);
1084 output_insn (insn, &the_insn);
1088 /* Handle the setsw synthetic instruction. */
1091 synthetize_setsw (insn)
1092 const struct sparc_opcode *insn;
1096 rd = (the_insn.opcode & RD (~0)) >> 25;
1098 if (the_insn.exp.X_op != O_constant)
1100 synthetize_setuw (insn);
1102 /* Need to sign extend it. */
1103 the_insn.opcode = (SRA_INSN | RS1 (rd) | RD (rd));
1104 the_insn.reloc = BFD_RELOC_NONE;
1105 output_insn (insn, &the_insn);
1109 if (sizeof (offsetT) > 4
1110 && (the_insn.exp.X_add_number < -(offsetT) U0x80000000
1111 || the_insn.exp.X_add_number > (offsetT) U0xffffffff))
1112 as_warn (_("setsw: number not in -2147483648..4294967295 range"));
1114 low32 = the_insn.exp.X_add_number;
1118 synthetize_setuw (insn);
1124 the_insn.reloc = BFD_RELOC_NONE;
1125 /* See if operand is absolute and small; skip sethi if so. */
1126 if (low32 < -(1 << 12))
1128 the_insn.opcode = (SETHI_INSN | RD (rd)
1129 | (((~the_insn.exp.X_add_number) >> 10) & 0x3fffff));
1130 output_insn (insn, &the_insn);
1131 low32 = 0x1c00 | (low32 & 0x3ff);
1132 opc = RS1 (rd) | XOR_INSN;
1135 the_insn.opcode = (opc | RD (rd) | IMMED
1136 | (low32 & 0x1fff));
1137 output_insn (insn, &the_insn);
1140 /* Handle the setsw synthetic instruction. */
1143 synthetize_setx (insn)
1144 const struct sparc_opcode *insn;
1146 int upper32, lower32;
1147 int tmpreg = (the_insn.opcode & RS1 (~0)) >> 14;
1148 int dstreg = (the_insn.opcode & RD (~0)) >> 25;
1150 int need_hh22_p = 0, need_hm10_p = 0, need_hi22_p = 0, need_lo10_p = 0;
1151 int need_xor10_p = 0;
1153 #define SIGNEXT32(x) ((((x) & U0xffffffff) ^ U0x80000000) - U0x80000000)
1154 lower32 = SIGNEXT32 (the_insn.exp.X_add_number);
1155 upper32 = SIGNEXT32 (BSR (the_insn.exp.X_add_number, 32));
1158 upper_dstreg = tmpreg;
1159 /* The tmp reg should not be the dst reg. */
1160 if (tmpreg == dstreg)
1161 as_warn (_("setx: temporary register same as destination register"));
1163 /* ??? Obviously there are other optimizations we can do
1164 (e.g. sethi+shift for 0x1f0000000) and perhaps we shouldn't be
1165 doing some of these. Later. If you do change things, try to
1166 change all of this to be table driven as well. */
1167 /* What to output depends on the number if it's constant.
1168 Compute that first, then output what we've decided upon. */
1169 if (the_insn.exp.X_op != O_constant)
1171 if (sparc_arch_size == 32)
1173 /* When arch size is 32, we want setx to be equivalent
1174 to setuw for anything but constants. */
1175 the_insn.exp.X_add_number &= 0xffffffff;
1176 synthetize_setuw (insn);
1179 need_hh22_p = need_hm10_p = need_hi22_p = need_lo10_p = 1;
1185 /* Reset X_add_number, we've extracted it as upper32/lower32.
1186 Otherwise fixup_segment will complain about not being able to
1187 write an 8 byte number in a 4 byte field. */
1188 the_insn.exp.X_add_number = 0;
1190 /* Only need hh22 if `or' insn can't handle constant. */
1191 if (upper32 < -(1 << 12) || upper32 >= (1 << 12))
1194 /* Does bottom part (after sethi) have bits? */
1195 if ((need_hh22_p && (upper32 & 0x3ff) != 0)
1196 /* No hh22, but does upper32 still have bits we can't set
1198 || (! need_hh22_p && upper32 != 0 && upper32 != -1))
1201 /* If the lower half is all zero, we build the upper half directly
1202 into the dst reg. */
1204 /* Need lower half if number is zero or 0xffffffff00000000. */
1205 || (! need_hh22_p && ! need_hm10_p))
1207 /* No need for sethi if `or' insn can handle constant. */
1208 if (lower32 < -(1 << 12) || lower32 >= (1 << 12)
1209 /* Note that we can't use a negative constant in the `or'
1210 insn unless the upper 32 bits are all ones. */
1211 || (lower32 < 0 && upper32 != -1)
1212 || (lower32 >= 0 && upper32 == -1))
1215 if (need_hi22_p && upper32 == -1)
1218 /* Does bottom part (after sethi) have bits? */
1219 else if ((need_hi22_p && (lower32 & 0x3ff) != 0)
1221 || (! need_hi22_p && (lower32 & 0x1fff) != 0)
1222 /* Need `or' if we didn't set anything else. */
1223 || (! need_hi22_p && ! need_hh22_p && ! need_hm10_p))
1227 /* Output directly to dst reg if lower 32 bits are all zero. */
1228 upper_dstreg = dstreg;
1231 if (!upper_dstreg && dstreg)
1232 as_warn (_("setx: illegal temporary register g0"));
1236 the_insn.opcode = (SETHI_INSN | RD (upper_dstreg)
1237 | ((upper32 >> 10) & 0x3fffff));
1238 the_insn.reloc = (the_insn.exp.X_op != O_constant
1239 ? BFD_RELOC_SPARC_HH22 : BFD_RELOC_NONE);
1240 output_insn (insn, &the_insn);
1245 the_insn.opcode = (SETHI_INSN | RD (dstreg)
1246 | (((need_xor10_p ? ~lower32 : lower32)
1247 >> 10) & 0x3fffff));
1248 the_insn.reloc = (the_insn.exp.X_op != O_constant
1249 ? BFD_RELOC_SPARC_LM22 : BFD_RELOC_NONE);
1250 output_insn (insn, &the_insn);
1255 the_insn.opcode = (OR_INSN
1256 | (need_hh22_p ? RS1 (upper_dstreg) : 0)
1259 | (upper32 & (need_hh22_p ? 0x3ff : 0x1fff)));
1260 the_insn.reloc = (the_insn.exp.X_op != O_constant
1261 ? BFD_RELOC_SPARC_HM10 : BFD_RELOC_NONE);
1262 output_insn (insn, &the_insn);
1267 /* FIXME: One nice optimization to do here is to OR the low part
1268 with the highpart if hi22 isn't needed and the low part is
1270 the_insn.opcode = (OR_INSN | (need_hi22_p ? RS1 (dstreg) : 0)
1273 | (lower32 & (need_hi22_p ? 0x3ff : 0x1fff)));
1274 the_insn.reloc = (the_insn.exp.X_op != O_constant
1275 ? BFD_RELOC_LO10 : BFD_RELOC_NONE);
1276 output_insn (insn, &the_insn);
1279 /* If we needed to build the upper part, shift it into place. */
1280 if (need_hh22_p || need_hm10_p)
1282 the_insn.opcode = (SLLX_INSN | RS1 (upper_dstreg) | RD (upper_dstreg)
1284 the_insn.reloc = BFD_RELOC_NONE;
1285 output_insn (insn, &the_insn);
1288 /* To get -1 in upper32, we do sethi %hi(~x), r; xor r, -0x400 | x, r. */
1291 the_insn.opcode = (XOR_INSN | RS1 (dstreg) | RD (dstreg) | IMMED
1292 | 0x1c00 | (lower32 & 0x3ff));
1293 the_insn.reloc = BFD_RELOC_NONE;
1294 output_insn (insn, &the_insn);
1297 /* If we needed to build both upper and lower parts, OR them together. */
1298 else if ((need_hh22_p || need_hm10_p) && (need_hi22_p || need_lo10_p))
1300 the_insn.opcode = (OR_INSN | RS1 (dstreg) | RS2 (upper_dstreg)
1302 the_insn.reloc = BFD_RELOC_NONE;
1303 output_insn (insn, &the_insn);
1307 /* Main entry point to assemble one instruction. */
1313 const struct sparc_opcode *insn;
1317 special_case = sparc_ip (str, &insn);
1321 /* We warn about attempts to put a floating point branch in a delay slot,
1322 unless the delay slot has been annulled. */
1323 if (last_insn != NULL
1324 && (insn->flags & F_FBR) != 0
1325 && (last_insn->flags & F_DELAYED) != 0
1326 /* ??? This test isn't completely accurate. We assume anything with
1327 F_{UNBR,CONDBR,FBR} set is annullable. */
1328 && ((last_insn->flags & (F_UNBR | F_CONDBR | F_FBR)) == 0
1329 || (last_opcode & ANNUL) == 0))
1330 as_warn (_("FP branch in delay slot"));
1332 /* SPARC before v9 requires a nop instruction between a floating
1333 point instruction and a floating point branch. We insert one
1334 automatically, with a warning. */
1335 if (max_architecture < SPARC_OPCODE_ARCH_V9
1336 && last_insn != NULL
1337 && (insn->flags & F_FBR) != 0
1338 && (last_insn->flags & F_FLOAT) != 0)
1340 struct sparc_it nop_insn;
1342 nop_insn.opcode = NOP_INSN;
1343 nop_insn.reloc = BFD_RELOC_NONE;
1344 output_insn (insn, &nop_insn);
1345 as_warn (_("FP branch preceded by FP instruction; NOP inserted"));
1348 switch (special_case)
1350 case SPECIAL_CASE_NONE:
1352 output_insn (insn, &the_insn);
1355 case SPECIAL_CASE_SETSW:
1356 synthetize_setsw (insn);
1359 case SPECIAL_CASE_SET:
1360 synthetize_setuw (insn);
1363 case SPECIAL_CASE_SETX:
1364 synthetize_setx (insn);
1367 case SPECIAL_CASE_FDIV:
1369 int rd = (the_insn.opcode >> 25) & 0x1f;
1371 output_insn (insn, &the_insn);
1373 /* According to information leaked from Sun, the "fdiv" instructions
1374 on early SPARC machines would produce incorrect results sometimes.
1375 The workaround is to add an fmovs of the destination register to
1376 itself just after the instruction. This was true on machines
1377 with Weitek 1165 float chips, such as the Sun-4/260 and /280. */
1378 assert (the_insn.reloc == BFD_RELOC_NONE);
1379 the_insn.opcode = FMOVS_INSN | rd | RD (rd);
1380 output_insn (insn, &the_insn);
1385 as_fatal (_("failed special case insn sanity check"));
1389 /* Subroutine of md_assemble to do the actual parsing. */
1392 sparc_ip (str, pinsn)
1394 const struct sparc_opcode **pinsn;
1396 char *error_message = "";
1400 const struct sparc_opcode *insn;
1402 unsigned long opcode;
1403 unsigned int mask = 0;
1407 int special_case = SPECIAL_CASE_NONE;
1414 while (ISLOWER (*s) || ISDIGIT (*s));
1431 as_bad (_("Unknown opcode: `%s'"), str);
1433 return special_case;
1435 insn = (struct sparc_opcode *) hash_find (op_hash, str);
1439 as_bad (_("Unknown opcode: `%s'"), str);
1440 return special_case;
1450 opcode = insn->match;
1451 memset (&the_insn, '\0', sizeof (the_insn));
1452 the_insn.reloc = BFD_RELOC_NONE;
1455 /* Build the opcode, checking as we go to make sure that the
1457 for (args = insn->args;; ++args)
1465 /* Parse a series of masks. */
1472 if (! parse_keyword_arg (sparc_encode_membar, &s,
1475 error_message = _(": invalid membar mask name");
1481 if (*s == '|' || *s == '+')
1489 if (! parse_const_expr_arg (&s, &kmask))
1491 error_message = _(": invalid membar mask expression");
1494 if (kmask < 0 || kmask > 127)
1496 error_message = _(": invalid membar mask number");
1501 opcode |= MEMBAR (kmask);
1509 if (! parse_const_expr_arg (&s, &smask))
1511 error_message = _(": invalid siam mode expression");
1514 if (smask < 0 || smask > 7)
1516 error_message = _(": invalid siam mode number");
1527 /* Parse a prefetch function. */
1530 if (! parse_keyword_arg (sparc_encode_prefetch, &s, &fcn))
1532 error_message = _(": invalid prefetch function name");
1538 if (! parse_const_expr_arg (&s, &fcn))
1540 error_message = _(": invalid prefetch function expression");
1543 if (fcn < 0 || fcn > 31)
1545 error_message = _(": invalid prefetch function number");
1555 /* Parse a sparc64 privileged register. */
1558 struct priv_reg_entry *p = priv_reg_table;
1559 unsigned int len = 9999999; /* Init to make gcc happy. */
1562 while (p->name[0] > s[0])
1564 while (p->name[0] == s[0])
1566 len = strlen (p->name);
1567 if (strncmp (p->name, s, len) == 0)
1571 if (p->name[0] != s[0])
1573 error_message = _(": unrecognizable privileged register");
1577 opcode |= (p->regnum << 14);
1579 opcode |= (p->regnum << 25);
1585 error_message = _(": unrecognizable privileged register");
1591 /* Parse a sparc64 hyperprivileged register. */
1594 struct priv_reg_entry *p = hpriv_reg_table;
1595 unsigned int len = 9999999; /* Init to make gcc happy. */
1598 while (p->name[0] > s[0])
1600 while (p->name[0] == s[0])
1602 len = strlen (p->name);
1603 if (strncmp (p->name, s, len) == 0)
1607 if (p->name[0] != s[0])
1609 error_message = _(": unrecognizable hyperprivileged register");
1613 opcode |= (p->regnum << 14);
1615 opcode |= (p->regnum << 25);
1621 error_message = _(": unrecognizable hyperprivileged register");
1627 /* Parse a v9a/v9b ancillary state register. */
1630 struct priv_reg_entry *p = v9a_asr_table;
1631 unsigned int len = 9999999; /* Init to make gcc happy. */
1634 while (p->name[0] > s[0])
1636 while (p->name[0] == s[0])
1638 len = strlen (p->name);
1639 if (strncmp (p->name, s, len) == 0)
1643 if (p->name[0] != s[0])
1645 error_message = _(": unrecognizable v9a or v9b ancillary state register");
1648 if (*args == '/' && (p->regnum == 20 || p->regnum == 21))
1650 error_message = _(": rd on write only ancillary state register");
1654 && (insn->architecture
1655 & SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9A)))
1657 /* %sys_tick and %sys_tick_cmpr are v9bnotv9a */
1658 error_message = _(": unrecognizable v9a ancillary state register");
1662 opcode |= (p->regnum << 14);
1664 opcode |= (p->regnum << 25);
1670 error_message = _(": unrecognizable v9a or v9b ancillary state register");
1676 if (strncmp (s, "%asr", 4) == 0)
1684 while (ISDIGIT (*s))
1686 num = num * 10 + *s - '0';
1690 if (current_architecture >= SPARC_OPCODE_ARCH_V9)
1692 if (num < 16 || 31 < num)
1694 error_message = _(": asr number must be between 16 and 31");
1700 if (num < 0 || 31 < num)
1702 error_message = _(": asr number must be between 0 and 31");
1707 opcode |= (*args == 'M' ? RS1 (num) : RD (num));
1712 error_message = _(": expecting %asrN");
1719 the_insn.reloc = BFD_RELOC_SPARC_11;
1723 the_insn.reloc = BFD_RELOC_SPARC_10;
1727 /* V8 systems don't understand BFD_RELOC_SPARC_5. */
1728 if (SPARC_OPCODE_ARCH_V9_P (max_architecture))
1729 the_insn.reloc = BFD_RELOC_SPARC_5;
1731 the_insn.reloc = BFD_RELOC_SPARC13;
1732 /* These fields are unsigned, but for upward compatibility,
1733 allow negative values as well. */
1737 /* V8 systems don't understand BFD_RELOC_SPARC_6. */
1738 if (SPARC_OPCODE_ARCH_V9_P (max_architecture))
1739 the_insn.reloc = BFD_RELOC_SPARC_6;
1741 the_insn.reloc = BFD_RELOC_SPARC13;
1742 /* These fields are unsigned, but for upward compatibility,
1743 allow negative values as well. */
1747 the_insn.reloc = /* RELOC_WDISP2_14 */ BFD_RELOC_SPARC_WDISP16;
1752 the_insn.reloc = BFD_RELOC_SPARC_WDISP19;
1757 if (*s == 'p' && s[1] == 'n')
1765 if (*s == 'p' && s[1] == 't')
1777 if (strncmp (s, "%icc", 4) == 0)
1789 if (strncmp (s, "%xcc", 4) == 0)
1801 if (strncmp (s, "%fcc0", 5) == 0)
1813 if (strncmp (s, "%fcc1", 5) == 0)
1825 if (strncmp (s, "%fcc2", 5) == 0)
1837 if (strncmp (s, "%fcc3", 5) == 0)
1845 if (strncmp (s, "%pc", 3) == 0)
1853 if (strncmp (s, "%tick", 5) == 0)
1860 case '\0': /* End of args. */
1861 if (s[0] == ',' && s[1] == '%')
1863 static const struct tls_ops
1865 /* The name as it appears in assembler. */
1867 /* strlen (name), precomputed for speed */
1869 /* The reloc this pseudo-op translates to. */
1876 { "tgd_add", 7, BFD_RELOC_SPARC_TLS_GD_ADD, 0 },
1877 { "tgd_call", 8, BFD_RELOC_SPARC_TLS_GD_CALL, 1 },
1878 { "tldm_add", 8, BFD_RELOC_SPARC_TLS_LDM_ADD, 0 },
1879 { "tldm_call", 9, BFD_RELOC_SPARC_TLS_LDM_CALL, 1 },
1880 { "tldo_add", 8, BFD_RELOC_SPARC_TLS_LDO_ADD, 0 },
1881 { "tie_ldx", 7, BFD_RELOC_SPARC_TLS_IE_LDX, 0 },
1882 { "tie_ld", 6, BFD_RELOC_SPARC_TLS_IE_LD, 0 },
1883 { "tie_add", 7, BFD_RELOC_SPARC_TLS_IE_ADD, 0 },
1886 const struct tls_ops *o;
1890 for (o = tls_ops; o->name; o++)
1891 if (strncmp (s + 2, o->name, o->len) == 0)
1893 if (o->name == NULL)
1896 if (s[o->len + 2] != '(')
1898 as_bad (_("Illegal operands: %%%s requires arguments in ()"), o->name);
1899 return special_case;
1902 if (! o->call && the_insn.reloc != BFD_RELOC_NONE)
1904 as_bad (_("Illegal operands: %%%s cannot be used together with other relocs in the insn ()"),
1906 return special_case;
1910 && (the_insn.reloc != BFD_RELOC_32_PCREL_S2
1911 || the_insn.exp.X_add_number != 0
1912 || the_insn.exp.X_add_symbol
1913 != symbol_find_or_make ("__tls_get_addr")))
1915 as_bad (_("Illegal operands: %%%s can be only used with call __tls_get_addr"),
1917 return special_case;
1920 the_insn.reloc = o->reloc;
1921 memset (&the_insn.exp, 0, sizeof (the_insn.exp));
1924 for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++)
1927 else if (*s1 == ')')
1936 as_bad (_("Illegal operands: %%%s requires arguments in ()"), o->name);
1937 return special_case;
1941 (void) get_expression (s);
1961 case '[': /* These must match exactly. */
1969 case '#': /* Must be at least one digit. */
1972 while (ISDIGIT (*s))
1980 case 'C': /* Coprocessor state register. */
1981 if (strncmp (s, "%csr", 4) == 0)
1988 case 'b': /* Next operand is a coprocessor register. */
1991 if (*s++ == '%' && *s++ == 'c' && ISDIGIT (*s))
1996 mask = 10 * (mask - '0') + (*s++ - '0');
2010 opcode |= mask << 14;
2018 opcode |= mask << 25;
2024 case 'r': /* next operand must be a register */
2034 case 'f': /* frame pointer */
2042 case 'g': /* global register */
2051 case 'i': /* in register */
2055 mask = c - '0' + 24;
2060 case 'l': /* local register */
2064 mask = (c - '0' + 16);
2069 case 'o': /* out register */
2073 mask = (c - '0' + 8);
2078 case 's': /* stack pointer */
2086 case 'r': /* any register */
2087 if (!ISDIGIT ((c = *s++)))
2104 if ((c = 10 * (c - '0') + (*s++ - '0')) >= 32)
2120 if ((mask & ~1) == 2 && sparc_arch_size == 64
2121 && no_undeclared_regs && ! globals[mask])
2122 as_bad (_("detected global register use not covered by .register pseudo-op"));
2124 /* Got the register, now figure out where
2125 it goes in the opcode. */
2129 opcode |= mask << 14;
2137 opcode |= mask << 25;
2141 opcode |= (mask << 25) | (mask << 14);
2145 opcode |= (mask << 25) | (mask << 0);
2151 case 'e': /* next operand is a floating point register */
2166 && ((format = *s) == 'f')
2169 for (mask = 0; ISDIGIT (*s); ++s)
2171 mask = 10 * mask + (*s - '0');
2172 } /* read the number */
2180 } /* register must be even numbered */
2188 } /* register must be multiple of 4 */
2192 if (SPARC_OPCODE_ARCH_V9_P (max_architecture))
2193 error_message = _(": There are only 64 f registers; [0-63]");
2195 error_message = _(": There are only 32 f registers; [0-31]");
2198 else if (mask >= 32)
2200 if (SPARC_OPCODE_ARCH_V9_P (max_architecture))
2202 if (*args == 'e' || *args == 'f' || *args == 'g')
2205 = _(": There are only 32 single precision f registers; [0-31]");
2209 mask -= 31; /* wrap high bit */
2213 error_message = _(": There are only 32 f registers; [0-31]");
2221 } /* if not an 'f' register. */
2228 opcode |= RS1 (mask);
2234 opcode |= RS2 (mask);
2240 opcode |= RD (mask);
2249 if (strncmp (s, "%fsr", 4) == 0)
2256 case '0': /* 64 bit immediate (set, setsw, setx insn) */
2257 the_insn.reloc = BFD_RELOC_NONE; /* reloc handled elsewhere */
2260 case 'l': /* 22 bit PC relative immediate */
2261 the_insn.reloc = BFD_RELOC_SPARC_WDISP22;
2265 case 'L': /* 30 bit immediate */
2266 the_insn.reloc = BFD_RELOC_32_PCREL_S2;
2271 case 'n': /* 22 bit immediate */
2272 the_insn.reloc = BFD_RELOC_SPARC22;
2275 case 'i': /* 13 bit immediate */
2276 the_insn.reloc = BFD_RELOC_SPARC13;
2286 char *op_arg = NULL;
2287 static expressionS op_exp;
2288 bfd_reloc_code_real_type old_reloc = the_insn.reloc;
2290 /* Check for %hi, etc. */
2293 static const struct ops {
2294 /* The name as it appears in assembler. */
2296 /* strlen (name), precomputed for speed */
2298 /* The reloc this pseudo-op translates to. */
2300 /* Non-zero if for v9 only. */
2302 /* Non-zero if can be used in pc-relative contexts. */
2303 int pcrel_p;/*FIXME:wip*/
2305 /* hix/lox must appear before hi/lo so %hix won't be
2306 mistaken for %hi. */
2307 { "hix", 3, BFD_RELOC_SPARC_HIX22, 1, 0 },
2308 { "lox", 3, BFD_RELOC_SPARC_LOX10, 1, 0 },
2309 { "hi", 2, BFD_RELOC_HI22, 0, 1 },
2310 { "lo", 2, BFD_RELOC_LO10, 0, 1 },
2311 { "hh", 2, BFD_RELOC_SPARC_HH22, 1, 1 },
2312 { "hm", 2, BFD_RELOC_SPARC_HM10, 1, 1 },
2313 { "lm", 2, BFD_RELOC_SPARC_LM22, 1, 1 },
2314 { "h44", 3, BFD_RELOC_SPARC_H44, 1, 0 },
2315 { "m44", 3, BFD_RELOC_SPARC_M44, 1, 0 },
2316 { "l44", 3, BFD_RELOC_SPARC_L44, 1, 0 },
2317 { "uhi", 3, BFD_RELOC_SPARC_HH22, 1, 0 },
2318 { "ulo", 3, BFD_RELOC_SPARC_HM10, 1, 0 },
2319 { "tgd_hi22", 8, BFD_RELOC_SPARC_TLS_GD_HI22, 0, 0 },
2320 { "tgd_lo10", 8, BFD_RELOC_SPARC_TLS_GD_LO10, 0, 0 },
2321 { "tldm_hi22", 9, BFD_RELOC_SPARC_TLS_LDM_HI22, 0, 0 },
2322 { "tldm_lo10", 9, BFD_RELOC_SPARC_TLS_LDM_LO10, 0, 0 },
2323 { "tldo_hix22", 10, BFD_RELOC_SPARC_TLS_LDO_HIX22, 0,
2325 { "tldo_lox10", 10, BFD_RELOC_SPARC_TLS_LDO_LOX10, 0,
2327 { "tie_hi22", 8, BFD_RELOC_SPARC_TLS_IE_HI22, 0, 0 },
2328 { "tie_lo10", 8, BFD_RELOC_SPARC_TLS_IE_LO10, 0, 0 },
2329 { "tle_hix22", 9, BFD_RELOC_SPARC_TLS_LE_HIX22, 0, 0 },
2330 { "tle_lox10", 9, BFD_RELOC_SPARC_TLS_LE_LOX10, 0, 0 },
2331 { NULL, 0, 0, 0, 0 }
2333 const struct ops *o;
2335 for (o = ops; o->name; o++)
2336 if (strncmp (s + 1, o->name, o->len) == 0)
2338 if (o->name == NULL)
2341 if (s[o->len + 1] != '(')
2343 as_bad (_("Illegal operands: %%%s requires arguments in ()"), o->name);
2344 return special_case;
2348 the_insn.reloc = o->reloc;
2353 /* Note that if the get_expression() fails, we will still
2354 have created U entries in the symbol table for the
2355 'symbols' in the input string. Try not to create U
2356 symbols for registers, etc. */
2358 /* This stuff checks to see if the expression ends in
2359 +%reg. If it does, it removes the register from
2360 the expression, and re-sets 's' to point to the
2367 for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++)
2370 else if (*s1 == ')')
2379 as_bad (_("Illegal operands: %%%s requires arguments in ()"), op_arg);
2380 return special_case;
2384 (void) get_expression (s);
2387 if (*s == ',' || *s == ']' || !*s)
2389 if (*s != '+' && *s != '-')
2391 as_bad (_("Illegal operands: Can't do arithmetics other than + and - involving %%%s()"), op_arg);
2392 return special_case;
2396 op_exp = the_insn.exp;
2397 memset (&the_insn.exp, 0, sizeof (the_insn.exp));
2400 for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++)
2403 if (s1 != s && ISDIGIT (s1[-1]))
2405 if (s1[-2] == '%' && s1[-3] == '+')
2407 else if (strchr ("goli0123456789", s1[-2]) && s1[-3] == '%' && s1[-4] == '+')
2414 if (op_arg && s1 == s + 1)
2415 the_insn.exp.X_op = O_absent;
2417 (void) get_expression (s);
2429 (void) get_expression (s);
2437 the_insn.exp2 = the_insn.exp;
2438 the_insn.exp = op_exp;
2439 if (the_insn.exp2.X_op == O_absent)
2440 the_insn.exp2.X_op = O_illegal;
2441 else if (the_insn.exp.X_op == O_absent)
2443 the_insn.exp = the_insn.exp2;
2444 the_insn.exp2.X_op = O_illegal;
2446 else if (the_insn.exp.X_op == O_constant)
2448 valueT val = the_insn.exp.X_add_number;
2449 switch (the_insn.reloc)
2454 case BFD_RELOC_SPARC_HH22:
2455 val = BSR (val, 32);
2458 case BFD_RELOC_SPARC_LM22:
2459 case BFD_RELOC_HI22:
2460 val = (val >> 10) & 0x3fffff;
2463 case BFD_RELOC_SPARC_HM10:
2464 val = BSR (val, 32);
2467 case BFD_RELOC_LO10:
2471 case BFD_RELOC_SPARC_H44:
2476 case BFD_RELOC_SPARC_M44:
2481 case BFD_RELOC_SPARC_L44:
2485 case BFD_RELOC_SPARC_HIX22:
2487 val = (val >> 10) & 0x3fffff;
2490 case BFD_RELOC_SPARC_LOX10:
2491 val = (val & 0x3ff) | 0x1c00;
2494 the_insn.exp = the_insn.exp2;
2495 the_insn.exp.X_add_number += val;
2496 the_insn.exp2.X_op = O_illegal;
2497 the_insn.reloc = old_reloc;
2499 else if (the_insn.exp2.X_op != O_constant)
2501 as_bad (_("Illegal operands: Can't add non-constant expression to %%%s()"), op_arg);
2502 return special_case;
2506 if (old_reloc != BFD_RELOC_SPARC13
2507 || the_insn.reloc != BFD_RELOC_LO10
2508 || sparc_arch_size != 64
2511 as_bad (_("Illegal operands: Can't do arithmetics involving %%%s() of a relocatable symbol"), op_arg);
2512 return special_case;
2514 the_insn.reloc = BFD_RELOC_SPARC_OLO10;
2518 /* Check for constants that don't require emitting a reloc. */
2519 if (the_insn.exp.X_op == O_constant
2520 && the_insn.exp.X_add_symbol == 0
2521 && the_insn.exp.X_op_symbol == 0)
2523 /* For pc-relative call instructions, we reject
2524 constants to get better code. */
2526 && the_insn.reloc == BFD_RELOC_32_PCREL_S2
2527 && in_signed_range (the_insn.exp.X_add_number, 0x3fff))
2529 error_message = _(": PC-relative operand can't be a constant");
2533 if (the_insn.reloc >= BFD_RELOC_SPARC_TLS_GD_HI22
2534 && the_insn.reloc <= BFD_RELOC_SPARC_TLS_TPOFF64)
2536 error_message = _(": TLS operand can't be a constant");
2540 /* Constants that won't fit are checked in md_apply_fix
2541 and bfd_install_relocation.
2542 ??? It would be preferable to install the constants
2543 into the insn here and save having to create a fixS
2544 for each one. There already exists code to handle
2545 all the various cases (e.g. in md_apply_fix and
2546 bfd_install_relocation) so duplicating all that code
2547 here isn't right. */
2567 if (! parse_keyword_arg (sparc_encode_asi, &s, &asi))
2569 error_message = _(": invalid ASI name");
2575 if (! parse_const_expr_arg (&s, &asi))
2577 error_message = _(": invalid ASI expression");
2580 if (asi < 0 || asi > 255)
2582 error_message = _(": invalid ASI number");
2586 opcode |= ASI (asi);
2588 } /* Alternate space. */
2591 if (strncmp (s, "%psr", 4) == 0)
2598 case 'q': /* Floating point queue. */
2599 if (strncmp (s, "%fq", 3) == 0)
2606 case 'Q': /* Coprocessor queue. */
2607 if (strncmp (s, "%cq", 3) == 0)
2615 if (strcmp (str, "set") == 0
2616 || strcmp (str, "setuw") == 0)
2618 special_case = SPECIAL_CASE_SET;
2621 else if (strcmp (str, "setsw") == 0)
2623 special_case = SPECIAL_CASE_SETSW;
2626 else if (strcmp (str, "setx") == 0)
2628 special_case = SPECIAL_CASE_SETX;
2631 else if (strncmp (str, "fdiv", 4) == 0)
2633 special_case = SPECIAL_CASE_FDIV;
2639 if (strncmp (s, "%asi", 4) != 0)
2645 if (strncmp (s, "%fprs", 5) != 0)
2651 if (strncmp (s, "%ccr", 4) != 0)
2657 if (strncmp (s, "%tbr", 4) != 0)
2663 if (strncmp (s, "%wim", 4) != 0)
2670 char *push = input_line_pointer;
2673 input_line_pointer = s;
2675 if (e.X_op == O_constant)
2677 int n = e.X_add_number;
2678 if (n != e.X_add_number || (n & ~0x1ff) != 0)
2679 as_bad (_("OPF immediate operand out of range (0-0x1ff)"));
2681 opcode |= e.X_add_number << 5;
2684 as_bad (_("non-immediate OPF operand, ignored"));
2685 s = input_line_pointer;
2686 input_line_pointer = push;
2691 if (strncmp (s, "%y", 2) != 0)
2699 /* Parse a sparclet cpreg. */
2701 if (! parse_keyword_arg (sparc_encode_sparclet_cpreg, &s, &cpreg))
2703 error_message = _(": invalid cpreg name");
2706 opcode |= (*args == 'U' ? RS1 (cpreg) : RD (cpreg));
2711 as_fatal (_("failed sanity check."));
2712 } /* switch on arg code. */
2714 /* Break out of for() loop. */
2716 } /* For each arg that we expect. */
2721 /* Args don't match. */
2722 if (&insn[1] - sparc_opcodes < sparc_num_opcodes
2723 && (insn->name == insn[1].name
2724 || !strcmp (insn->name, insn[1].name)))
2732 as_bad (_("Illegal operands%s"), error_message);
2733 return special_case;
2738 /* We have a match. Now see if the architecture is OK. */
2739 int needed_arch_mask = insn->architecture;
2744 ~(SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9) - 1);
2745 if (! needed_arch_mask)
2747 SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9);
2750 if (needed_arch_mask
2751 & SPARC_OPCODE_SUPPORTED (current_architecture))
2754 /* Can we bump up the architecture? */
2755 else if (needed_arch_mask
2756 & SPARC_OPCODE_SUPPORTED (max_architecture))
2758 enum sparc_opcode_arch_val needed_architecture =
2759 sparc_ffs (SPARC_OPCODE_SUPPORTED (max_architecture)
2760 & needed_arch_mask);
2762 assert (needed_architecture <= SPARC_OPCODE_ARCH_MAX);
2764 && needed_architecture > warn_after_architecture)
2766 as_warn (_("architecture bumped from \"%s\" to \"%s\" on \"%s\""),
2767 sparc_opcode_archs[current_architecture].name,
2768 sparc_opcode_archs[needed_architecture].name,
2770 warn_after_architecture = needed_architecture;
2772 current_architecture = needed_architecture;
2775 /* ??? This seems to be a bit fragile. What if the next entry in
2776 the opcode table is the one we want and it is supported?
2777 It is possible to arrange the table today so that this can't
2778 happen but what about tomorrow? */
2781 int arch, printed_one_p = 0;
2783 char required_archs[SPARC_OPCODE_ARCH_MAX * 16];
2785 /* Create a list of the architectures that support the insn. */
2786 needed_arch_mask &= ~SPARC_OPCODE_SUPPORTED (max_architecture);
2788 arch = sparc_ffs (needed_arch_mask);
2789 while ((1 << arch) <= needed_arch_mask)
2791 if ((1 << arch) & needed_arch_mask)
2795 strcpy (p, sparc_opcode_archs[arch].name);
2802 as_bad (_("Architecture mismatch on \"%s\"."), str);
2803 as_tsktsk (_(" (Requires %s; requested architecture is %s.)"),
2805 sparc_opcode_archs[max_architecture].name);
2806 return special_case;
2808 } /* If no match. */
2811 } /* Forever looking for a match. */
2813 the_insn.opcode = opcode;
2814 return special_case;
2817 /* Parse an argument that can be expressed as a keyword.
2818 (eg: #StoreStore or %ccfr).
2819 The result is a boolean indicating success.
2820 If successful, INPUT_POINTER is updated. */
2823 parse_keyword_arg (lookup_fn, input_pointerP, valueP)
2824 int (*lookup_fn) PARAMS ((const char *));
2825 char **input_pointerP;
2831 p = *input_pointerP;
2832 for (q = p + (*p == '#' || *p == '%');
2833 ISALNUM (*q) || *q == '_';
2838 value = (*lookup_fn) (p);
2843 *input_pointerP = q;
2847 /* Parse an argument that is a constant expression.
2848 The result is a boolean indicating success. */
2851 parse_const_expr_arg (input_pointerP, valueP)
2852 char **input_pointerP;
2855 char *save = input_line_pointer;
2858 input_line_pointer = *input_pointerP;
2859 /* The next expression may be something other than a constant
2860 (say if we're not processing the right variant of the insn).
2861 Don't call expression unless we're sure it will succeed as it will
2862 signal an error (which we want to defer until later). */
2863 /* FIXME: It might be better to define md_operand and have it recognize
2864 things like %asi, etc. but continuing that route through to the end
2865 is a lot of work. */
2866 if (*input_line_pointer == '%')
2868 input_line_pointer = save;
2872 *input_pointerP = input_line_pointer;
2873 input_line_pointer = save;
2874 if (exp.X_op != O_constant)
2876 *valueP = exp.X_add_number;
2880 /* Subroutine of sparc_ip to parse an expression. */
2883 get_expression (str)
2889 save_in = input_line_pointer;
2890 input_line_pointer = str;
2891 seg = expression (&the_insn.exp);
2892 if (seg != absolute_section
2893 && seg != text_section
2894 && seg != data_section
2895 && seg != bss_section
2896 && seg != undefined_section)
2898 the_insn.error = _("bad segment");
2899 expr_end = input_line_pointer;
2900 input_line_pointer = save_in;
2903 expr_end = input_line_pointer;
2904 input_line_pointer = save_in;
2908 /* Subroutine of md_assemble to output one insn. */
2911 output_insn (insn, the_insn)
2912 const struct sparc_opcode *insn;
2913 struct sparc_it *the_insn;
2915 char *toP = frag_more (4);
2917 /* Put out the opcode. */
2918 if (INSN_BIG_ENDIAN)
2919 number_to_chars_bigendian (toP, (valueT) the_insn->opcode, 4);
2921 number_to_chars_littleendian (toP, (valueT) the_insn->opcode, 4);
2923 /* Put out the symbol-dependent stuff. */
2924 if (the_insn->reloc != BFD_RELOC_NONE)
2926 fixS *fixP = fix_new_exp (frag_now, /* Which frag. */
2927 (toP - frag_now->fr_literal), /* Where. */
2932 /* Turn off overflow checking in fixup_segment. We'll do our
2933 own overflow checking in md_apply_fix. This is necessary because
2934 the insn size is 4 and fixup_segment will signal an overflow for
2935 large 8 byte quantities. */
2936 fixP->fx_no_overflow = 1;
2937 if (the_insn->reloc == BFD_RELOC_SPARC_OLO10)
2938 fixP->tc_fix_data = the_insn->exp2.X_add_number;
2942 last_opcode = the_insn->opcode;
2945 dwarf2_emit_insn (4);
2949 /* This is identical to the md_atof in m68k.c. I think this is right,
2952 Turn a string in input_line_pointer into a floating point constant
2953 of type TYPE, and store the appropriate bytes in *LITP. The number
2954 of LITTLENUMS emitted is stored in *SIZEP. An error message is
2955 returned, or NULL on OK. */
2957 /* Equal to MAX_PRECISION in atof-ieee.c. */
2958 #define MAX_LITTLENUMS 6
2961 md_atof (type, litP, sizeP)
2967 LITTLENUM_TYPE words[MAX_LITTLENUMS];
2998 return _("Bad call to MD_ATOF()");
3001 t = atof_ieee (input_line_pointer, type, words);
3003 input_line_pointer = t;
3004 *sizeP = prec * sizeof (LITTLENUM_TYPE);
3006 if (target_big_endian)
3008 for (i = 0; i < prec; i++)
3010 md_number_to_chars (litP, (valueT) words[i],
3011 sizeof (LITTLENUM_TYPE));
3012 litP += sizeof (LITTLENUM_TYPE);
3017 for (i = prec - 1; i >= 0; i--)
3019 md_number_to_chars (litP, (valueT) words[i],
3020 sizeof (LITTLENUM_TYPE));
3021 litP += sizeof (LITTLENUM_TYPE);
3028 /* Write a value out to the object file, using the appropriate
3032 md_number_to_chars (buf, val, n)
3037 if (target_big_endian)
3038 number_to_chars_bigendian (buf, val, n);
3039 else if (target_little_endian_data
3040 && ((n == 4 || n == 2) && ~now_seg->flags & SEC_ALLOC))
3041 /* Output debug words, which are not in allocated sections, as big
3043 number_to_chars_bigendian (buf, val, n);
3044 else if (target_little_endian_data || ! target_big_endian)
3045 number_to_chars_littleendian (buf, val, n);
3048 /* Apply a fixS to the frags, now that we know the value it ought to
3052 md_apply_fix (fixP, valP, segment)
3055 segT segment ATTRIBUTE_UNUSED;
3057 char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
3058 offsetT val = * (offsetT *) valP;
3061 assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
3063 fixP->fx_addnumber = val; /* Remember value for emit_reloc. */
3066 /* SPARC ELF relocations don't use an addend in the data field. */
3067 if (fixP->fx_addsy != NULL)
3069 switch (fixP->fx_r_type)
3071 case BFD_RELOC_SPARC_TLS_GD_HI22:
3072 case BFD_RELOC_SPARC_TLS_GD_LO10:
3073 case BFD_RELOC_SPARC_TLS_GD_ADD:
3074 case BFD_RELOC_SPARC_TLS_GD_CALL:
3075 case BFD_RELOC_SPARC_TLS_LDM_HI22:
3076 case BFD_RELOC_SPARC_TLS_LDM_LO10:
3077 case BFD_RELOC_SPARC_TLS_LDM_ADD:
3078 case BFD_RELOC_SPARC_TLS_LDM_CALL:
3079 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
3080 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
3081 case BFD_RELOC_SPARC_TLS_LDO_ADD:
3082 case BFD_RELOC_SPARC_TLS_IE_HI22:
3083 case BFD_RELOC_SPARC_TLS_IE_LO10:
3084 case BFD_RELOC_SPARC_TLS_IE_LD:
3085 case BFD_RELOC_SPARC_TLS_IE_LDX:
3086 case BFD_RELOC_SPARC_TLS_IE_ADD:
3087 case BFD_RELOC_SPARC_TLS_LE_HIX22:
3088 case BFD_RELOC_SPARC_TLS_LE_LOX10:
3089 case BFD_RELOC_SPARC_TLS_DTPMOD32:
3090 case BFD_RELOC_SPARC_TLS_DTPMOD64:
3091 case BFD_RELOC_SPARC_TLS_DTPOFF32:
3092 case BFD_RELOC_SPARC_TLS_DTPOFF64:
3093 case BFD_RELOC_SPARC_TLS_TPOFF32:
3094 case BFD_RELOC_SPARC_TLS_TPOFF64:
3095 S_SET_THREAD_LOCAL (fixP->fx_addsy);
3105 /* This is a hack. There should be a better way to
3106 handle this. Probably in terms of howto fields, once
3107 we can look at these fixups in terms of howtos. */
3108 if (fixP->fx_r_type == BFD_RELOC_32_PCREL_S2 && fixP->fx_addsy)
3109 val += fixP->fx_where + fixP->fx_frag->fr_address;
3112 /* FIXME: More ridiculous gas reloc hacking. If we are going to
3113 generate a reloc, then we just want to let the reloc addend set
3114 the value. We do not want to also stuff the addend into the
3115 object file. Including the addend in the object file works when
3116 doing a static link, because the linker will ignore the object
3117 file contents. However, the dynamic linker does not ignore the
3118 object file contents. */
3119 if (fixP->fx_addsy != NULL
3120 && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2)
3123 /* When generating PIC code, we do not want an addend for a reloc
3124 against a local symbol. We adjust fx_addnumber to cancel out the
3125 value already included in val, and to also cancel out the
3126 adjustment which bfd_install_relocation will create. */
3128 && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2
3129 && fixP->fx_addsy != NULL
3130 && ! S_IS_COMMON (fixP->fx_addsy)
3131 && symbol_section_p (fixP->fx_addsy))
3132 fixP->fx_addnumber -= 2 * S_GET_VALUE (fixP->fx_addsy);
3134 /* When generating PIC code, we need to fiddle to get
3135 bfd_install_relocation to do the right thing for a PC relative
3136 reloc against a local symbol which we are going to keep. */
3138 && fixP->fx_r_type == BFD_RELOC_32_PCREL_S2
3139 && fixP->fx_addsy != NULL
3140 && (S_IS_EXTERNAL (fixP->fx_addsy)
3141 || S_IS_WEAK (fixP->fx_addsy))
3142 && S_IS_DEFINED (fixP->fx_addsy)
3143 && ! S_IS_COMMON (fixP->fx_addsy))
3146 fixP->fx_addnumber -= 2 * S_GET_VALUE (fixP->fx_addsy);
3150 /* If this is a data relocation, just output VAL. */
3152 if (fixP->fx_r_type == BFD_RELOC_16
3153 || fixP->fx_r_type == BFD_RELOC_SPARC_UA16)
3155 md_number_to_chars (buf, val, 2);
3157 else if (fixP->fx_r_type == BFD_RELOC_32
3158 || fixP->fx_r_type == BFD_RELOC_SPARC_UA32
3159 || fixP->fx_r_type == BFD_RELOC_SPARC_REV32)
3161 md_number_to_chars (buf, val, 4);
3163 else if (fixP->fx_r_type == BFD_RELOC_64
3164 || fixP->fx_r_type == BFD_RELOC_SPARC_UA64)
3166 md_number_to_chars (buf, val, 8);
3168 else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3169 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
3176 /* It's a relocation against an instruction. */
3178 if (INSN_BIG_ENDIAN)
3179 insn = bfd_getb32 ((unsigned char *) buf);
3181 insn = bfd_getl32 ((unsigned char *) buf);
3183 switch (fixP->fx_r_type)
3185 case BFD_RELOC_32_PCREL_S2:
3187 /* FIXME: This increment-by-one deserves a comment of why it's
3189 if (! sparc_pic_code
3190 || fixP->fx_addsy == NULL
3191 || symbol_section_p (fixP->fx_addsy))
3194 insn |= val & 0x3fffffff;
3196 /* See if we have a delay slot. */
3197 if (sparc_relax && fixP->fx_where + 8 <= fixP->fx_frag->fr_fix)
3201 #define XCC (2 << 20)
3202 #define COND(x) (((x)&0xf)<<25)
3203 #define CONDA COND(0x8)
3204 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3205 #define INSN_BA (F2(0,2) | CONDA)
3206 #define INSN_OR F3(2, 0x2, 0)
3207 #define INSN_NOP F2(0,4)
3211 /* If the instruction is a call with either:
3213 arithmetic instruction with rd == %o7
3214 where rs1 != %o7 and rs2 if it is register != %o7
3215 then we can optimize if the call destination is near
3216 by changing the call into a branch always. */
3217 if (INSN_BIG_ENDIAN)
3218 delay = bfd_getb32 ((unsigned char *) buf + 4);
3220 delay = bfd_getl32 ((unsigned char *) buf + 4);
3221 if ((insn & OP (~0)) != OP (1) || (delay & OP (~0)) != OP (2))
3223 if ((delay & OP3 (~0)) != OP3 (0x3d) /* Restore. */
3224 && ((delay & OP3 (0x28)) != 0 /* Arithmetic. */
3225 || ((delay & RD (~0)) != RD (O7))))
3227 if ((delay & RS1 (~0)) == RS1 (O7)
3228 || ((delay & F3I (~0)) == 0
3229 && (delay & RS2 (~0)) == RS2 (O7)))
3231 /* Ensure the branch will fit into simm22. */
3232 if ((val & 0x3fe00000)
3233 && (val & 0x3fe00000) != 0x3fe00000)
3235 /* Check if the arch is v9 and branch will fit
3237 if (((val & 0x3c0000) == 0
3238 || (val & 0x3c0000) == 0x3c0000)
3239 && (sparc_arch_size == 64
3240 || current_architecture >= SPARC_OPCODE_ARCH_V9))
3242 insn = INSN_BPA | (val & 0x7ffff);
3245 insn = INSN_BA | (val & 0x3fffff);
3246 if (fixP->fx_where >= 4
3247 && ((delay & (0xffffffff ^ RS1 (~0)))
3248 == (INSN_OR | RD (O7) | RS2 (G0))))
3253 if (INSN_BIG_ENDIAN)
3254 setter = bfd_getb32 ((unsigned char *) buf - 4);
3256 setter = bfd_getl32 ((unsigned char *) buf - 4);
3257 if ((setter & (0xffffffff ^ RD (~0)))
3258 != (INSN_OR | RS1 (O7) | RS2 (G0)))
3265 If call foo was replaced with ba, replace
3266 or %rN, %g0, %o7 with nop. */
3267 reg = (delay & RS1 (~0)) >> 14;
3268 if (reg != ((setter & RD (~0)) >> 25)
3269 || reg == G0 || reg == O7)
3272 if (INSN_BIG_ENDIAN)
3273 bfd_putb32 (INSN_NOP, (unsigned char *) buf + 4);
3275 bfd_putl32 (INSN_NOP, (unsigned char *) buf + 4);
3280 case BFD_RELOC_SPARC_11:
3281 if (! in_signed_range (val, 0x7ff))
3282 as_bad_where (fixP->fx_file, fixP->fx_line,
3283 _("relocation overflow"));
3284 insn |= val & 0x7ff;
3287 case BFD_RELOC_SPARC_10:
3288 if (! in_signed_range (val, 0x3ff))
3289 as_bad_where (fixP->fx_file, fixP->fx_line,
3290 _("relocation overflow"));
3291 insn |= val & 0x3ff;
3294 case BFD_RELOC_SPARC_7:
3295 if (! in_bitfield_range (val, 0x7f))
3296 as_bad_where (fixP->fx_file, fixP->fx_line,
3297 _("relocation overflow"));
3301 case BFD_RELOC_SPARC_6:
3302 if (! in_bitfield_range (val, 0x3f))
3303 as_bad_where (fixP->fx_file, fixP->fx_line,
3304 _("relocation overflow"));
3308 case BFD_RELOC_SPARC_5:
3309 if (! in_bitfield_range (val, 0x1f))
3310 as_bad_where (fixP->fx_file, fixP->fx_line,
3311 _("relocation overflow"));
3315 case BFD_RELOC_SPARC_WDISP16:
3318 || val <= -(offsetT) 0x20008)
3319 as_bad_where (fixP->fx_file, fixP->fx_line,
3320 _("relocation overflow"));
3321 /* FIXME: The +1 deserves a comment. */
3322 val = (val >> 2) + 1;
3323 insn |= ((val & 0xc000) << 6) | (val & 0x3fff);
3326 case BFD_RELOC_SPARC_WDISP19:
3329 || val <= -(offsetT) 0x100008)
3330 as_bad_where (fixP->fx_file, fixP->fx_line,
3331 _("relocation overflow"));
3332 /* FIXME: The +1 deserves a comment. */
3333 val = (val >> 2) + 1;
3334 insn |= val & 0x7ffff;
3337 case BFD_RELOC_SPARC_HH22:
3338 val = BSR (val, 32);
3341 case BFD_RELOC_SPARC_LM22:
3342 case BFD_RELOC_HI22:
3343 if (!fixP->fx_addsy)
3344 insn |= (val >> 10) & 0x3fffff;
3346 /* FIXME: Need comment explaining why we do this. */
3350 case BFD_RELOC_SPARC22:
3351 if (val & ~0x003fffff)
3352 as_bad_where (fixP->fx_file, fixP->fx_line,
3353 _("relocation overflow"));
3354 insn |= (val & 0x3fffff);
3357 case BFD_RELOC_SPARC_HM10:
3358 val = BSR (val, 32);
3361 case BFD_RELOC_LO10:
3362 if (!fixP->fx_addsy)
3363 insn |= val & 0x3ff;
3365 /* FIXME: Need comment explaining why we do this. */
3369 case BFD_RELOC_SPARC_OLO10:
3371 val += fixP->tc_fix_data;
3374 case BFD_RELOC_SPARC13:
3375 if (! in_signed_range (val, 0x1fff))
3376 as_bad_where (fixP->fx_file, fixP->fx_line,
3377 _("relocation overflow"));
3378 insn |= val & 0x1fff;
3381 case BFD_RELOC_SPARC_WDISP22:
3382 val = (val >> 2) + 1;
3384 case BFD_RELOC_SPARC_BASE22:
3385 insn |= val & 0x3fffff;
3388 case BFD_RELOC_SPARC_H44:
3389 if (!fixP->fx_addsy)
3393 insn |= tval & 0x3fffff;
3397 case BFD_RELOC_SPARC_M44:
3398 if (!fixP->fx_addsy)
3399 insn |= (val >> 12) & 0x3ff;
3402 case BFD_RELOC_SPARC_L44:
3403 if (!fixP->fx_addsy)
3404 insn |= val & 0xfff;
3407 case BFD_RELOC_SPARC_HIX22:
3408 if (!fixP->fx_addsy)
3410 val ^= ~(offsetT) 0;
3411 insn |= (val >> 10) & 0x3fffff;
3415 case BFD_RELOC_SPARC_LOX10:
3416 if (!fixP->fx_addsy)
3417 insn |= 0x1c00 | (val & 0x3ff);
3420 case BFD_RELOC_NONE:
3422 as_bad_where (fixP->fx_file, fixP->fx_line,
3423 _("bad or unhandled relocation type: 0x%02x"),
3428 if (INSN_BIG_ENDIAN)
3429 bfd_putb32 (insn, (unsigned char *) buf);
3431 bfd_putl32 (insn, (unsigned char *) buf);
3434 /* Are we finished with this relocation now? */
3435 if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
3439 /* Translate internal representation of relocation info to BFD target
3443 tc_gen_reloc (section, fixp)
3447 static arelent *relocs[3];
3449 bfd_reloc_code_real_type code;
3451 relocs[0] = reloc = (arelent *) xmalloc (sizeof (arelent));
3454 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
3455 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
3456 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
3458 switch (fixp->fx_r_type)
3462 case BFD_RELOC_HI22:
3463 case BFD_RELOC_LO10:
3464 case BFD_RELOC_32_PCREL_S2:
3465 case BFD_RELOC_SPARC13:
3466 case BFD_RELOC_SPARC22:
3467 case BFD_RELOC_SPARC_BASE13:
3468 case BFD_RELOC_SPARC_WDISP16:
3469 case BFD_RELOC_SPARC_WDISP19:
3470 case BFD_RELOC_SPARC_WDISP22:
3472 case BFD_RELOC_SPARC_5:
3473 case BFD_RELOC_SPARC_6:
3474 case BFD_RELOC_SPARC_7:
3475 case BFD_RELOC_SPARC_10:
3476 case BFD_RELOC_SPARC_11:
3477 case BFD_RELOC_SPARC_HH22:
3478 case BFD_RELOC_SPARC_HM10:
3479 case BFD_RELOC_SPARC_LM22:
3480 case BFD_RELOC_SPARC_PC_HH22:
3481 case BFD_RELOC_SPARC_PC_HM10:
3482 case BFD_RELOC_SPARC_PC_LM22:
3483 case BFD_RELOC_SPARC_H44:
3484 case BFD_RELOC_SPARC_M44:
3485 case BFD_RELOC_SPARC_L44:
3486 case BFD_RELOC_SPARC_HIX22:
3487 case BFD_RELOC_SPARC_LOX10:
3488 case BFD_RELOC_SPARC_REV32:
3489 case BFD_RELOC_SPARC_OLO10:
3490 case BFD_RELOC_SPARC_UA16:
3491 case BFD_RELOC_SPARC_UA32:
3492 case BFD_RELOC_SPARC_UA64:
3493 case BFD_RELOC_8_PCREL:
3494 case BFD_RELOC_16_PCREL:
3495 case BFD_RELOC_32_PCREL:
3496 case BFD_RELOC_64_PCREL:
3497 case BFD_RELOC_SPARC_PLT32:
3498 case BFD_RELOC_SPARC_PLT64:
3499 case BFD_RELOC_VTABLE_ENTRY:
3500 case BFD_RELOC_VTABLE_INHERIT:
3501 case BFD_RELOC_SPARC_TLS_GD_HI22:
3502 case BFD_RELOC_SPARC_TLS_GD_LO10:
3503 case BFD_RELOC_SPARC_TLS_GD_ADD:
3504 case BFD_RELOC_SPARC_TLS_GD_CALL:
3505 case BFD_RELOC_SPARC_TLS_LDM_HI22:
3506 case BFD_RELOC_SPARC_TLS_LDM_LO10:
3507 case BFD_RELOC_SPARC_TLS_LDM_ADD:
3508 case BFD_RELOC_SPARC_TLS_LDM_CALL:
3509 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
3510 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
3511 case BFD_RELOC_SPARC_TLS_LDO_ADD:
3512 case BFD_RELOC_SPARC_TLS_IE_HI22:
3513 case BFD_RELOC_SPARC_TLS_IE_LO10:
3514 case BFD_RELOC_SPARC_TLS_IE_LD:
3515 case BFD_RELOC_SPARC_TLS_IE_LDX:
3516 case BFD_RELOC_SPARC_TLS_IE_ADD:
3517 case BFD_RELOC_SPARC_TLS_LE_HIX22:
3518 case BFD_RELOC_SPARC_TLS_LE_LOX10:
3519 case BFD_RELOC_SPARC_TLS_DTPOFF32:
3520 case BFD_RELOC_SPARC_TLS_DTPOFF64:
3521 code = fixp->fx_r_type;
3528 #if defined (OBJ_ELF) || defined (OBJ_AOUT)
3529 /* If we are generating PIC code, we need to generate a different
3533 #define GOT_NAME "_GLOBAL_OFFSET_TABLE_"
3535 #define GOT_NAME "__GLOBAL_OFFSET_TABLE_"
3538 #define GOTT_BASE "__GOTT_BASE__"
3539 #define GOTT_INDEX "__GOTT_INDEX__"
3542 /* This code must be parallel to the OBJ_ELF tc_fix_adjustable. */
3548 case BFD_RELOC_32_PCREL_S2:
3549 if (generic_force_reloc (fixp))
3550 code = BFD_RELOC_SPARC_WPLT30;
3552 case BFD_RELOC_HI22:
3553 code = BFD_RELOC_SPARC_GOT22;
3554 if (fixp->fx_addsy != NULL)
3556 if (strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0)
3557 code = BFD_RELOC_SPARC_PC22;
3559 if (strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_BASE) == 0
3560 || strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_INDEX) == 0)
3561 code = BFD_RELOC_HI22; /* Unchanged. */
3565 case BFD_RELOC_LO10:
3566 code = BFD_RELOC_SPARC_GOT10;
3567 if (fixp->fx_addsy != NULL)
3569 if (strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0)
3570 code = BFD_RELOC_SPARC_PC10;
3572 if (strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_BASE) == 0
3573 || strcmp (S_GET_NAME (fixp->fx_addsy), GOTT_INDEX) == 0)
3574 code = BFD_RELOC_LO10; /* Unchanged. */
3578 case BFD_RELOC_SPARC13:
3579 code = BFD_RELOC_SPARC_GOT13;
3585 #endif /* defined (OBJ_ELF) || defined (OBJ_AOUT) */
3587 /* Nothing is aligned in DWARF debugging sections. */
3588 if (bfd_get_section_flags (stdoutput, section) & SEC_DEBUGGING)
3591 case BFD_RELOC_16: code = BFD_RELOC_SPARC_UA16; break;
3592 case BFD_RELOC_32: code = BFD_RELOC_SPARC_UA32; break;
3593 case BFD_RELOC_64: code = BFD_RELOC_SPARC_UA64; break;
3597 if (code == BFD_RELOC_SPARC_OLO10)
3598 reloc->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO10);
3600 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
3601 if (reloc->howto == 0)
3603 as_bad_where (fixp->fx_file, fixp->fx_line,
3604 _("internal error: can't export reloc type %d (`%s')"),
3605 fixp->fx_r_type, bfd_get_reloc_code_name (code));
3611 /* @@ Why fx_addnumber sometimes and fx_offset other times? */
3614 if (reloc->howto->pc_relative == 0
3615 || code == BFD_RELOC_SPARC_PC10
3616 || code == BFD_RELOC_SPARC_PC22)
3617 reloc->addend = fixp->fx_addnumber;
3618 else if (sparc_pic_code
3619 && fixp->fx_r_type == BFD_RELOC_32_PCREL_S2
3620 && fixp->fx_addsy != NULL
3621 && (S_IS_EXTERNAL (fixp->fx_addsy)
3622 || S_IS_WEAK (fixp->fx_addsy))
3623 && S_IS_DEFINED (fixp->fx_addsy)
3624 && ! S_IS_COMMON (fixp->fx_addsy))
3625 reloc->addend = fixp->fx_addnumber;
3627 reloc->addend = fixp->fx_offset - reloc->address;
3629 #else /* elf or coff */
3631 if (code != BFD_RELOC_32_PCREL_S2
3632 && code != BFD_RELOC_SPARC_WDISP22
3633 && code != BFD_RELOC_SPARC_WDISP16
3634 && code != BFD_RELOC_SPARC_WDISP19
3635 && code != BFD_RELOC_SPARC_WPLT30
3636 && code != BFD_RELOC_SPARC_TLS_GD_CALL
3637 && code != BFD_RELOC_SPARC_TLS_LDM_CALL)
3638 reloc->addend = fixp->fx_addnumber;
3639 else if (symbol_section_p (fixp->fx_addsy))
3640 reloc->addend = (section->vma
3641 + fixp->fx_addnumber
3642 + md_pcrel_from (fixp));
3644 reloc->addend = fixp->fx_offset;
3647 /* We expand R_SPARC_OLO10 to R_SPARC_LO10 and R_SPARC_13
3648 on the same location. */
3649 if (code == BFD_RELOC_SPARC_OLO10)
3651 relocs[1] = reloc = (arelent *) xmalloc (sizeof (arelent));
3654 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
3656 = symbol_get_bfdsym (section_symbol (absolute_section));
3657 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
3658 reloc->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_SPARC13);
3659 reloc->addend = fixp->tc_fix_data;
3665 /* We have no need to default values of symbols. */
3668 md_undefined_symbol (name)
3669 char *name ATTRIBUTE_UNUSED;
3674 /* Round up a section size to the appropriate boundary. */
3677 md_section_align (segment, size)
3678 segT segment ATTRIBUTE_UNUSED;
3682 /* This is not right for ELF; a.out wants it, and COFF will force
3683 the alignment anyways. */
3684 valueT align = ((valueT) 1
3685 << (valueT) bfd_get_section_alignment (stdoutput, segment));
3688 /* Turn alignment value into a mask. */
3690 newsize = (size + align) & ~align;
3697 /* Exactly what point is a PC-relative offset relative TO?
3698 On the sparc, they're relative to the address of the offset, plus
3699 its size. This gets us to the following instruction.
3700 (??? Is this right? FIXME-SOON) */
3702 md_pcrel_from (fixP)
3707 ret = fixP->fx_where + fixP->fx_frag->fr_address;
3708 if (! sparc_pic_code
3709 || fixP->fx_addsy == NULL
3710 || symbol_section_p (fixP->fx_addsy))
3711 ret += fixP->fx_size;
3715 /* Return log2 (VALUE), or -1 if VALUE is not an exact positive power
3727 for (shift = 0; (value & 1) == 0; value >>= 1)
3730 return (value == 1) ? shift : -1;
3733 /* Sort of like s_lcomm. */
3736 static int max_alignment = 15;
3741 int ignore ATTRIBUTE_UNUSED;
3751 name = input_line_pointer;
3752 c = get_symbol_end ();
3753 p = input_line_pointer;
3757 if (*input_line_pointer != ',')
3759 as_bad (_("Expected comma after name"));
3760 ignore_rest_of_line ();
3764 ++input_line_pointer;
3766 if ((size = get_absolute_expression ()) < 0)
3768 as_bad (_("BSS length (%d.) <0! Ignored."), size);
3769 ignore_rest_of_line ();
3774 symbolP = symbol_find_or_make (name);
3777 if (strncmp (input_line_pointer, ",\"bss\"", 6) != 0
3778 && strncmp (input_line_pointer, ",\".bss\"", 7) != 0)
3780 as_bad (_("bad .reserve segment -- expected BSS segment"));
3784 if (input_line_pointer[2] == '.')
3785 input_line_pointer += 7;
3787 input_line_pointer += 6;
3790 if (*input_line_pointer == ',')
3792 ++input_line_pointer;
3795 if (*input_line_pointer == '\n')
3797 as_bad (_("missing alignment"));
3798 ignore_rest_of_line ();
3802 align = (int) get_absolute_expression ();
3805 if (align > max_alignment)
3807 align = max_alignment;
3808 as_warn (_("alignment too large; assuming %d"), align);
3814 as_bad (_("negative alignment"));
3815 ignore_rest_of_line ();
3821 temp = mylog2 (align);
3824 as_bad (_("alignment not a power of 2"));
3825 ignore_rest_of_line ();
3832 record_alignment (bss_section, align);
3837 if (!S_IS_DEFINED (symbolP)
3839 && S_GET_OTHER (symbolP) == 0
3840 && S_GET_DESC (symbolP) == 0
3847 segT current_seg = now_seg;
3848 subsegT current_subseg = now_subseg;
3850 /* Switch to bss. */
3851 subseg_set (bss_section, 1);
3855 frag_align (align, 0, 0);
3857 /* Detach from old frag. */
3858 if (S_GET_SEGMENT (symbolP) == bss_section)
3859 symbol_get_frag (symbolP)->fr_symbol = NULL;
3861 symbol_set_frag (symbolP, frag_now);
3862 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP,
3863 (offsetT) size, (char *) 0);
3866 S_SET_SEGMENT (symbolP, bss_section);
3868 subseg_set (current_seg, current_subseg);
3871 S_SET_SIZE (symbolP, size);
3877 as_warn ("Ignoring attempt to re-define symbol %s",
3878 S_GET_NAME (symbolP));
3879 } /* if not redefining. */
3881 demand_empty_rest_of_line ();
3886 int ignore ATTRIBUTE_UNUSED;
3894 name = input_line_pointer;
3895 c = get_symbol_end ();
3896 /* Just after name is now '\0'. */
3897 p = input_line_pointer;
3900 if (*input_line_pointer != ',')
3902 as_bad (_("Expected comma after symbol-name"));
3903 ignore_rest_of_line ();
3908 input_line_pointer++;
3910 if ((temp = get_absolute_expression ()) < 0)
3912 as_bad (_(".COMMon length (%lu) out of range ignored"),
3913 (unsigned long) temp);
3914 ignore_rest_of_line ();
3919 symbolP = symbol_find_or_make (name);
3921 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
3923 as_bad (_("Ignoring attempt to re-define symbol"));
3924 ignore_rest_of_line ();
3927 if (S_GET_VALUE (symbolP) != 0)
3929 if (S_GET_VALUE (symbolP) != (valueT) size)
3931 as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
3932 S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), (long) size);
3938 S_SET_VALUE (symbolP, (valueT) size);
3939 S_SET_EXTERNAL (symbolP);
3942 know (symbol_get_frag (symbolP) == &zero_address_frag);
3943 if (*input_line_pointer != ',')
3945 as_bad (_("Expected comma after common length"));
3946 ignore_rest_of_line ();
3949 input_line_pointer++;
3951 if (*input_line_pointer != '"')
3953 temp = get_absolute_expression ();
3956 if (temp > max_alignment)
3958 temp = max_alignment;
3959 as_warn (_("alignment too large; assuming %ld"), (long) temp);
3965 as_bad (_("negative alignment"));
3966 ignore_rest_of_line ();
3971 if (symbol_get_obj (symbolP)->local)
3979 old_subsec = now_subseg;
3984 align = mylog2 (temp);
3988 as_bad (_("alignment not a power of 2"));
3989 ignore_rest_of_line ();
3993 record_alignment (bss_section, align);
3994 subseg_set (bss_section, 0);
3996 frag_align (align, 0, 0);
3997 if (S_GET_SEGMENT (symbolP) == bss_section)
3998 symbol_get_frag (symbolP)->fr_symbol = 0;
3999 symbol_set_frag (symbolP, frag_now);
4000 p = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP,
4001 (offsetT) size, (char *) 0);
4003 S_SET_SEGMENT (symbolP, bss_section);
4004 S_CLEAR_EXTERNAL (symbolP);
4005 S_SET_SIZE (symbolP, size);
4006 subseg_set (old_sec, old_subsec);
4009 #endif /* OBJ_ELF */
4012 S_SET_VALUE (symbolP, (valueT) size);
4014 S_SET_ALIGN (symbolP, temp);
4015 S_SET_SIZE (symbolP, size);
4017 S_SET_EXTERNAL (symbolP);
4018 S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
4023 input_line_pointer++;
4024 /* @@ Some use the dot, some don't. Can we get some consistency?? */
4025 if (*input_line_pointer == '.')
4026 input_line_pointer++;
4027 /* @@ Some say data, some say bss. */
4028 if (strncmp (input_line_pointer, "bss\"", 4)
4029 && strncmp (input_line_pointer, "data\"", 5))
4031 while (*--input_line_pointer != '"')
4033 input_line_pointer--;
4034 goto bad_common_segment;
4036 while (*input_line_pointer++ != '"')
4038 goto allocate_common;
4041 symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
4043 demand_empty_rest_of_line ();
4048 p = input_line_pointer;
4049 while (*p && *p != '\n')
4053 as_bad (_("bad .common segment %s"), input_line_pointer + 1);
4055 input_line_pointer = p;
4056 ignore_rest_of_line ();
4061 /* Handle the .empty pseudo-op. This suppresses the warnings about
4062 invalid delay slot usage. */
4066 int ignore ATTRIBUTE_UNUSED;
4068 /* The easy way to implement is to just forget about the last
4075 int ignore ATTRIBUTE_UNUSED;
4078 if (strncmp (input_line_pointer, "\"text\"", 6) == 0)
4080 input_line_pointer += 6;
4084 if (strncmp (input_line_pointer, "\"data\"", 6) == 0)
4086 input_line_pointer += 6;
4090 if (strncmp (input_line_pointer, "\"data1\"", 7) == 0)
4092 input_line_pointer += 7;
4096 if (strncmp (input_line_pointer, "\"bss\"", 5) == 0)
4098 input_line_pointer += 5;
4099 /* We only support 2 segments -- text and data -- for now, so
4100 things in the "bss segment" will have to go into data for now.
4101 You can still allocate SEG_BSS stuff with .lcomm or .reserve. */
4102 subseg_set (data_section, 255); /* FIXME-SOMEDAY. */
4105 as_bad (_("Unknown segment type"));
4106 demand_empty_rest_of_line ();
4112 subseg_set (data_section, 1);
4113 demand_empty_rest_of_line ();
4118 int ignore ATTRIBUTE_UNUSED;
4120 while (!is_end_of_line[(unsigned char) *input_line_pointer])
4122 ++input_line_pointer;
4124 ++input_line_pointer;
4127 /* This static variable is set by s_uacons to tell sparc_cons_align
4128 that the expression does not need to be aligned. */
4130 static int sparc_no_align_cons = 0;
4132 /* This static variable is set by sparc_cons to emit requested types
4133 of relocations in cons_fix_new_sparc. */
4135 static const char *sparc_cons_special_reloc;
4137 /* This handles the unaligned space allocation pseudo-ops, such as
4138 .uaword. .uaword is just like .word, but the value does not need
4145 /* Tell sparc_cons_align not to align this value. */
4146 sparc_no_align_cons = 1;
4148 sparc_no_align_cons = 0;
4151 /* This handles the native word allocation pseudo-op .nword.
4152 For sparc_arch_size 32 it is equivalent to .word, for
4153 sparc_arch_size 64 it is equivalent to .xword. */
4157 int bytes ATTRIBUTE_UNUSED;
4159 cons (sparc_arch_size == 32 ? 4 : 8);
4163 /* Handle the SPARC ELF .register pseudo-op. This sets the binding of a
4167 .register %g[2367],{#scratch|symbolname|#ignore}
4172 int ignore ATTRIBUTE_UNUSED;
4177 const char *regname;
4179 if (input_line_pointer[0] != '%'
4180 || input_line_pointer[1] != 'g'
4181 || ((input_line_pointer[2] & ~1) != '2'
4182 && (input_line_pointer[2] & ~1) != '6')
4183 || input_line_pointer[3] != ',')
4184 as_bad (_("register syntax is .register %%g[2367],{#scratch|symbolname|#ignore}"));
4185 reg = input_line_pointer[2] - '0';
4186 input_line_pointer += 4;
4188 if (*input_line_pointer == '#')
4190 ++input_line_pointer;
4191 regname = input_line_pointer;
4192 c = get_symbol_end ();
4193 if (strcmp (regname, "scratch") && strcmp (regname, "ignore"))
4194 as_bad (_("register syntax is .register %%g[2367],{#scratch|symbolname|#ignore}"));
4195 if (regname[0] == 'i')
4202 regname = input_line_pointer;
4203 c = get_symbol_end ();
4205 if (sparc_arch_size == 64)
4209 if ((regname && globals[reg] != (symbolS *) 1
4210 && strcmp (S_GET_NAME (globals[reg]), regname))
4211 || ((regname != NULL) ^ (globals[reg] != (symbolS *) 1)))
4212 as_bad (_("redefinition of global register"));
4216 if (regname == NULL)
4217 globals[reg] = (symbolS *) 1;
4222 if (symbol_find (regname))
4223 as_bad (_("Register symbol %s already defined."),
4226 globals[reg] = symbol_make (regname);
4227 flags = symbol_get_bfdsym (globals[reg])->flags;
4229 flags = flags & ~(BSF_GLOBAL|BSF_LOCAL|BSF_WEAK);
4230 if (! (flags & (BSF_GLOBAL|BSF_LOCAL|BSF_WEAK)))
4231 flags |= BSF_GLOBAL;
4232 symbol_get_bfdsym (globals[reg])->flags = flags;
4233 S_SET_VALUE (globals[reg], (valueT) reg);
4234 S_SET_ALIGN (globals[reg], reg);
4235 S_SET_SIZE (globals[reg], 0);
4236 /* Although we actually want undefined_section here,
4237 we have to use absolute_section, because otherwise
4238 generic as code will make it a COM section.
4239 We fix this up in sparc_adjust_symtab. */
4240 S_SET_SEGMENT (globals[reg], absolute_section);
4241 S_SET_OTHER (globals[reg], 0);
4242 elf_symbol (symbol_get_bfdsym (globals[reg]))
4243 ->internal_elf_sym.st_info =
4244 ELF_ST_INFO(STB_GLOBAL, STT_REGISTER);
4245 elf_symbol (symbol_get_bfdsym (globals[reg]))
4246 ->internal_elf_sym.st_shndx = SHN_UNDEF;
4251 *input_line_pointer = c;
4253 demand_empty_rest_of_line ();
4256 /* Adjust the symbol table. We set undefined sections for STT_REGISTER
4257 symbols which need it. */
4260 sparc_adjust_symtab ()
4264 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
4266 if (ELF_ST_TYPE (elf_symbol (symbol_get_bfdsym (sym))
4267 ->internal_elf_sym.st_info) != STT_REGISTER)
4270 if (ELF_ST_TYPE (elf_symbol (symbol_get_bfdsym (sym))
4271 ->internal_elf_sym.st_shndx != SHN_UNDEF))
4274 S_SET_SEGMENT (sym, undefined_section);
4279 /* If the --enforce-aligned-data option is used, we require .word,
4280 et. al., to be aligned correctly. We do it by setting up an
4281 rs_align_code frag, and checking in HANDLE_ALIGN to make sure that
4282 no unexpected alignment was introduced.
4284 The SunOS and Solaris native assemblers enforce aligned data by
4285 default. We don't want to do that, because gcc can deliberately
4286 generate misaligned data if the packed attribute is used. Instead,
4287 we permit misaligned data by default, and permit the user to set an
4288 option to check for it. */
4291 sparc_cons_align (nbytes)
4297 /* Only do this if we are enforcing aligned data. */
4298 if (! enforce_aligned_data)
4301 /* Don't align if this is an unaligned pseudo-op. */
4302 if (sparc_no_align_cons)
4305 nalign = mylog2 (nbytes);
4309 assert (nalign > 0);
4311 if (now_seg == absolute_section)
4313 if ((abs_section_offset & ((1 << nalign) - 1)) != 0)
4314 as_bad (_("misaligned data"));
4318 p = frag_var (rs_align_test, 1, 1, (relax_substateT) 0,
4319 (symbolS *) NULL, (offsetT) nalign, (char *) NULL);
4321 record_alignment (now_seg, nalign);
4324 /* This is called from HANDLE_ALIGN in tc-sparc.h. */
4327 sparc_handle_align (fragp)
4333 count = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix;
4335 switch (fragp->fr_type)
4339 as_bad_where (fragp->fr_file, fragp->fr_line, _("misaligned data"));
4343 p = fragp->fr_literal + fragp->fr_fix;
4354 if (SPARC_OPCODE_ARCH_V9_P (max_architecture) && count > 8)
4356 unsigned wval = (0x30680000 | count >> 2); /* ba,a,pt %xcc, 1f */
4357 if (INSN_BIG_ENDIAN)
4358 number_to_chars_bigendian (p, wval, 4);
4360 number_to_chars_littleendian (p, wval, 4);
4366 if (INSN_BIG_ENDIAN)
4367 number_to_chars_bigendian (p, 0x01000000, 4);
4369 number_to_chars_littleendian (p, 0x01000000, 4);
4371 fragp->fr_fix += fix;
4381 /* Some special processing for a Sparc ELF file. */
4384 sparc_elf_final_processing ()
4386 /* Set the Sparc ELF flag bits. FIXME: There should probably be some
4387 sort of BFD interface for this. */
4388 if (sparc_arch_size == 64)
4390 switch (sparc_memory_model)
4393 elf_elfheader (stdoutput)->e_flags |= EF_SPARCV9_RMO;
4396 elf_elfheader (stdoutput)->e_flags |= EF_SPARCV9_PSO;
4402 else if (current_architecture >= SPARC_OPCODE_ARCH_V9)
4403 elf_elfheader (stdoutput)->e_flags |= EF_SPARC_32PLUS;
4404 if (current_architecture == SPARC_OPCODE_ARCH_V9A)
4405 elf_elfheader (stdoutput)->e_flags |= EF_SPARC_SUN_US1;
4406 else if (current_architecture == SPARC_OPCODE_ARCH_V9B)
4407 elf_elfheader (stdoutput)->e_flags |= EF_SPARC_SUN_US1|EF_SPARC_SUN_US3;
4411 sparc_cons (exp, size)
4418 sparc_cons_special_reloc = NULL;
4419 save = input_line_pointer;
4420 if (input_line_pointer[0] == '%'
4421 && input_line_pointer[1] == 'r'
4422 && input_line_pointer[2] == '_')
4424 if (strncmp (input_line_pointer + 3, "disp", 4) == 0)
4426 input_line_pointer += 7;
4427 sparc_cons_special_reloc = "disp";
4429 else if (strncmp (input_line_pointer + 3, "plt", 3) == 0)
4431 if (size != 4 && size != 8)
4432 as_bad (_("Illegal operands: %%r_plt in %d-byte data field"), size);
4435 input_line_pointer += 6;
4436 sparc_cons_special_reloc = "plt";
4439 else if (strncmp (input_line_pointer + 3, "tls_dtpoff", 10) == 0)
4441 if (size != 4 && size != 8)
4442 as_bad (_("Illegal operands: %%r_tls_dtpoff in %d-byte data field"), size);
4445 input_line_pointer += 13;
4446 sparc_cons_special_reloc = "tls_dtpoff";
4449 if (sparc_cons_special_reloc)
4456 if (*input_line_pointer != '8')
4458 input_line_pointer--;
4461 if (input_line_pointer[0] != '1' || input_line_pointer[1] != '6')
4465 if (input_line_pointer[0] != '3' || input_line_pointer[1] != '2')
4469 if (input_line_pointer[0] != '6' || input_line_pointer[1] != '4')
4479 as_bad (_("Illegal operands: Only %%r_%s%d allowed in %d-byte data fields"),
4480 sparc_cons_special_reloc, size * 8, size);
4484 input_line_pointer += 2;
4485 if (*input_line_pointer != '(')
4487 as_bad (_("Illegal operands: %%r_%s%d requires arguments in ()"),
4488 sparc_cons_special_reloc, size * 8);
4495 input_line_pointer = save;
4496 sparc_cons_special_reloc = NULL;
4501 char *end = ++input_line_pointer;
4504 while (! is_end_of_line[(c = *end)])
4518 as_bad (_("Illegal operands: %%r_%s%d requires arguments in ()"),
4519 sparc_cons_special_reloc, size * 8);
4525 if (input_line_pointer != end)
4527 as_bad (_("Illegal operands: %%r_%s%d requires arguments in ()"),
4528 sparc_cons_special_reloc, size * 8);
4532 input_line_pointer++;
4534 c = *input_line_pointer;
4535 if (! is_end_of_line[c] && c != ',')
4536 as_bad (_("Illegal operands: garbage after %%r_%s%d()"),
4537 sparc_cons_special_reloc, size * 8);
4543 if (sparc_cons_special_reloc == NULL)
4549 /* This is called by emit_expr via TC_CONS_FIX_NEW when creating a
4550 reloc for a cons. We could use the definition there, except that
4551 we want to handle little endian relocs specially. */
4554 cons_fix_new_sparc (frag, where, nbytes, exp)
4557 unsigned int nbytes;
4560 bfd_reloc_code_real_type r;
4562 r = (nbytes == 1 ? BFD_RELOC_8 :
4563 (nbytes == 2 ? BFD_RELOC_16 :
4564 (nbytes == 4 ? BFD_RELOC_32 : BFD_RELOC_64)));
4566 if (target_little_endian_data
4568 && now_seg->flags & SEC_ALLOC)
4569 r = BFD_RELOC_SPARC_REV32;
4571 if (sparc_cons_special_reloc)
4573 if (*sparc_cons_special_reloc == 'd')
4576 case 1: r = BFD_RELOC_8_PCREL; break;
4577 case 2: r = BFD_RELOC_16_PCREL; break;
4578 case 4: r = BFD_RELOC_32_PCREL; break;
4579 case 8: r = BFD_RELOC_64_PCREL; break;
4582 else if (*sparc_cons_special_reloc == 'p')
4585 case 4: r = BFD_RELOC_SPARC_PLT32; break;
4586 case 8: r = BFD_RELOC_SPARC_PLT64; break;
4591 case 4: r = BFD_RELOC_SPARC_TLS_DTPOFF32; break;
4592 case 8: r = BFD_RELOC_SPARC_TLS_DTPOFF64; break;
4595 else if (sparc_no_align_cons)
4599 case 2: r = BFD_RELOC_SPARC_UA16; break;
4600 case 4: r = BFD_RELOC_SPARC_UA32; break;
4601 case 8: r = BFD_RELOC_SPARC_UA64; break;
4606 fix_new_exp (frag, where, (int) nbytes, exp, 0, r);
4607 sparc_cons_special_reloc = NULL;
4611 sparc_cfi_frame_initial_instructions ()
4613 cfi_add_CFA_def_cfa (14, sparc_arch_size == 64 ? 0x7ff : 0);
4617 sparc_regname_to_dw2regnum (char *regname)
4625 p = strchr (q, regname[0]);
4628 if (regname[1] < '0' || regname[1] > '8' || regname[2])
4630 return (p - q) * 8 + regname[1] - '0';
4632 if (regname[0] == 's' && regname[1] == 'p' && !regname[2])
4634 if (regname[0] == 'f' && regname[1] == 'p' && !regname[2])
4636 if (regname[0] == 'f' || regname[0] == 'r')
4638 unsigned int regnum;
4640 regnum = strtoul (regname + 1, &q, 10);
4643 if (regnum >= ((regname[0] == 'f'
4644 && SPARC_OPCODE_ARCH_V9_P (max_architecture))
4647 if (regname[0] == 'f')
4650 if (regnum >= 64 && (regnum & 1))
4659 sparc_cfi_emit_pcrel_expr (expressionS *exp, unsigned int nbytes)
4661 sparc_cons_special_reloc = "disp";
4662 sparc_no_align_cons = 1;
4663 emit_expr (exp, nbytes);
4664 sparc_no_align_cons = 0;
4665 sparc_cons_special_reloc = NULL;