1 /* Print SPARC instructions.
2 Copyright (C) 1989-2019 Free Software Foundation, Inc.
4 This file is part of the GNU opcodes library.
6 This library is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 It is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
23 #include "opcode/sparc.h"
25 #include "libiberty.h"
28 /* Bitmask of v9 architectures. */
29 #define MASK_V9 ((1 << SPARC_OPCODE_ARCH_V9) \
30 | (1 << SPARC_OPCODE_ARCH_V9A) \
31 | (1 << SPARC_OPCODE_ARCH_V9B) \
32 | (1 << SPARC_OPCODE_ARCH_V9C) \
33 | (1 << SPARC_OPCODE_ARCH_V9D) \
34 | (1 << SPARC_OPCODE_ARCH_V9E) \
35 | (1 << SPARC_OPCODE_ARCH_V9V) \
36 | (1 << SPARC_OPCODE_ARCH_V9M) \
37 | (1 << SPARC_OPCODE_ARCH_M8))
38 /* 1 if INSN is for v9 only. */
39 #define V9_ONLY_P(insn) (! ((insn)->architecture & ~MASK_V9))
40 /* 1 if INSN is for v9. */
41 #define V9_P(insn) (((insn)->architecture & MASK_V9) != 0)
43 /* The sorted opcode table. */
44 static const sparc_opcode **sorted_opcodes;
46 /* For faster lookup, after insns are sorted they are hashed. */
47 /* ??? I think there is room for even more improvement. */
50 /* It is important that we only look at insn code bits as that is how the
51 opcode table is hashed. OPCODE_BITS is a table of valid bits for each
52 of the main types (0,1,2,3). */
53 static int opcode_bits[4] = { 0x01c00000, 0x0, 0x01f80000, 0x01f80000 };
54 #define HASH_INSN(INSN) \
55 ((((INSN) >> 24) & 0xc0) | (((INSN) & opcode_bits[((INSN) >> 30) & 3]) >> 19))
56 typedef struct sparc_opcode_hash
58 struct sparc_opcode_hash *next;
59 const sparc_opcode *opcode;
62 static sparc_opcode_hash *opcode_hash_table[HASH_SIZE];
64 /* Sign-extend a value which is N bits long. */
65 #define SEX(value, bits) \
66 ((((int)(value)) << ((8 * sizeof (int)) - bits)) \
67 >> ((8 * sizeof (int)) - bits) )
69 static char *reg_names[] =
70 { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
71 "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7",
72 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
73 "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7",
74 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
75 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
76 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
77 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
78 "f32", "f33", "f34", "f35", "f36", "f37", "f38", "f39",
79 "f40", "f41", "f42", "f43", "f44", "f45", "f46", "f47",
80 "f48", "f49", "f50", "f51", "f52", "f53", "f54", "f55",
81 "f56", "f57", "f58", "f59", "f60", "f61", "f62", "f63",
82 /* psr, wim, tbr, fpsr, cpsr are v8 only. */
83 "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr"
86 #define freg_names (®_names[4 * 8])
88 /* These are ordered according to there register number in
89 rdpr and wrpr insns. */
90 static char *v9_priv_reg_names[] =
92 "tpc", "tnpc", "tstate", "tt", "tick", "tba", "pstate", "tl",
93 "pil", "cwp", "cansave", "canrestore", "cleanwin", "otherwin",
95 /* "ver" and "pmcdper" - special cased */
98 /* These are ordered according to there register number in
99 rdhpr and wrhpr insns. */
100 static char *v9_hpriv_reg_names[] =
102 "hpstate", "htstate", "resv2", "hintp", "resv4", "htba", "hver",
103 "resv7", "resv8", "resv9", "resv10", "resv11", "resv12", "resv13",
104 "resv14", "resv15", "resv16", "resv17", "resv18", "resv19", "resv20",
105 "resv21", "resv22", "hmcdper", "hmcddfr", "resv25", "resv26", "hva_mask_nz",
106 "hstick_offset", "hstick_enable", "resv30", "hstick_cmpr"
109 /* These are ordered according to there register number in
110 rd and wr insns (-16). */
111 static char *v9a_asr_reg_names[] =
113 "pcr", "pic", "dcr", "gsr", "softint_set", "softint_clear",
114 "softint", "tick_cmpr", "stick", "stick_cmpr", "cfr",
118 /* Macros used to extract instruction fields. Not all fields have
119 macros defined here, only those which are actually used. */
121 #define X_RD(i) (((i) >> 25) & 0x1f)
122 #define X_RS1(i) (((i) >> 14) & 0x1f)
123 #define X_LDST_I(i) (((i) >> 13) & 1)
124 #define X_ASI(i) (((i) >> 5) & 0xff)
125 #define X_RS2(i) (((i) >> 0) & 0x1f)
126 #define X_RS3(i) (((i) >> 9) & 0x1f)
127 #define X_IMM(i,n) (((i) >> 0) & ((1 << (n)) - 1))
128 #define X_SIMM(i,n) SEX (X_IMM ((i), (n)), (n))
129 #define X_DISP22(i) (((i) >> 0) & 0x3fffff)
130 #define X_IMM22(i) X_DISP22 (i)
131 #define X_DISP30(i) (((i) >> 0) & 0x3fffffff)
132 #define X_IMM2(i) (((i & 0x10) >> 3) | (i & 0x1))
134 /* These are for v9. */
135 #define X_DISP16(i) (((((i) >> 20) & 3) << 14) | (((i) >> 0) & 0x3fff))
136 #define X_DISP10(i) (((((i) >> 19) & 3) << 8) | (((i) >> 5) & 0xff))
137 #define X_DISP19(i) (((i) >> 0) & 0x7ffff)
138 #define X_MEMBAR(i) ((i) & 0x7f)
140 /* Here is the union which was used to extract instruction fields
141 before the shift and mask macros were written.
145 unsigned long int code;
153 unsigned int anrs1:5;
154 #define rs1 ldst.anrs1
156 unsigned int anasi:8;
157 #define asi ldst.anasi
158 unsigned int anrs2:5;
159 #define rs2 ldst.anrs2
164 unsigned int anop:2, anrd:5, op3:6, anrs1:5, i:1;
165 unsigned int IMM13:13;
166 #define imm13 IMM13.IMM13
174 unsigned int DISP22:22;
175 #define disp22 branch.DISP22
183 unsigned int rcond:3;
185 unsigned int DISP16HI:2;
188 unsigned int DISP16LO:14;
193 unsigned int adisp30:30;
194 #define disp30 call.adisp30
198 /* Nonzero if INSN is the opcode for a delayed branch. */
201 is_delayed_branch (unsigned long insn)
203 sparc_opcode_hash *op;
205 for (op = opcode_hash_table[HASH_INSN (insn)]; op; op = op->next)
207 const sparc_opcode *opcode = op->opcode;
209 if ((opcode->match & insn) == opcode->match
210 && (opcode->lose & insn) == 0)
211 return opcode->flags & F_DELAYED;
216 /* extern void qsort (); */
218 /* Records current mask of SPARC_OPCODE_ARCH_FOO values, used to pass value
219 to compare_opcodes. */
220 static unsigned int current_arch_mask;
222 /* Given BFD mach number, return a mask of SPARC_OPCODE_ARCH_FOO values. */
225 compute_arch_mask (unsigned long mach)
230 case bfd_mach_sparc :
231 return (SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V8)
232 | SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_LEON));
233 case bfd_mach_sparc_sparclet :
234 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_SPARCLET);
235 case bfd_mach_sparc_sparclite :
236 case bfd_mach_sparc_sparclite_le :
237 /* sparclites insns are recognized by default (because that's how
238 they've always been treated, for better or worse). Kludge this by
239 indicating generic v8 is also selected. */
240 return (SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_SPARCLITE)
241 | SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V8));
242 case bfd_mach_sparc_v8plus :
243 case bfd_mach_sparc_v9 :
244 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9);
245 case bfd_mach_sparc_v8plusa :
246 case bfd_mach_sparc_v9a :
247 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9A);
248 case bfd_mach_sparc_v8plusb :
249 case bfd_mach_sparc_v9b :
250 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9B);
251 case bfd_mach_sparc_v8plusc :
252 case bfd_mach_sparc_v9c :
253 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9C);
254 case bfd_mach_sparc_v8plusd :
255 case bfd_mach_sparc_v9d :
256 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9D);
257 case bfd_mach_sparc_v8pluse :
258 case bfd_mach_sparc_v9e :
259 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9E);
260 case bfd_mach_sparc_v8plusv :
261 case bfd_mach_sparc_v9v :
262 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9V);
263 case bfd_mach_sparc_v8plusm :
264 case bfd_mach_sparc_v9m :
265 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9M);
266 case bfd_mach_sparc_v8plusm8 :
267 case bfd_mach_sparc_v9m8 :
268 return SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_M8);
273 /* Compare opcodes A and B. */
276 compare_opcodes (const void * a, const void * b)
278 sparc_opcode *op0 = * (sparc_opcode **) a;
279 sparc_opcode *op1 = * (sparc_opcode **) b;
280 unsigned long int match0 = op0->match, match1 = op1->match;
281 unsigned long int lose0 = op0->lose, lose1 = op1->lose;
282 register unsigned int i;
284 /* If one (and only one) insn isn't supported by the current architecture,
285 prefer the one that is. If neither are supported, but they're both for
286 the same architecture, continue processing. Otherwise (both unsupported
287 and for different architectures), prefer lower numbered arch's (fudged
288 by comparing the bitmasks). */
289 if (op0->architecture & current_arch_mask)
291 if (! (op1->architecture & current_arch_mask))
296 if (op1->architecture & current_arch_mask)
298 else if (op0->architecture != op1->architecture)
299 return op0->architecture - op1->architecture;
302 /* If a bit is set in both match and lose, there is something
303 wrong with the opcode table. */
306 opcodes_error_handler
307 /* xgettext:c-format */
308 (_("internal error: bad sparc-opcode.h: \"%s\", %#.8lx, %#.8lx\n"),
309 op0->name, match0, lose0);
310 op0->lose &= ~op0->match;
316 opcodes_error_handler
317 /* xgettext:c-format */
318 (_("internal error: bad sparc-opcode.h: \"%s\", %#.8lx, %#.8lx\n"),
319 op1->name, match1, lose1);
320 op1->lose &= ~op1->match;
324 /* Because the bits that are variable in one opcode are constant in
325 another, it is important to order the opcodes in the right order. */
326 for (i = 0; i < 32; ++i)
328 unsigned long int x = 1 << i;
329 int x0 = (match0 & x) != 0;
330 int x1 = (match1 & x) != 0;
336 for (i = 0; i < 32; ++i)
338 unsigned long int x = 1 << i;
339 int x0 = (lose0 & x) != 0;
340 int x1 = (lose1 & x) != 0;
346 /* They are functionally equal. So as long as the opcode table is
347 valid, we can put whichever one first we want, on aesthetic grounds. */
349 /* Our first aesthetic ground is that aliases defer to real insns. */
351 int alias_diff = (op0->flags & F_ALIAS) - (op1->flags & F_ALIAS);
354 /* Put the one that isn't an alias first. */
358 /* Except for aliases, two "identical" instructions had
359 better have the same opcode. This is a sanity check on the table. */
360 i = strcmp (op0->name, op1->name);
363 if (op0->flags & F_ALIAS)
365 if (op0->flags & F_PREFERRED)
367 if (op1->flags & F_PREFERRED)
370 /* If they're both aliases, and neither is marked as preferred,
375 opcodes_error_handler
376 /* xgettext:c-format */
377 (_("internal error: bad sparc-opcode.h: \"%s\" == \"%s\"\n"),
378 op0->name, op1->name);
381 /* Fewer arguments are preferred. */
383 int length_diff = strlen (op0->args) - strlen (op1->args);
385 if (length_diff != 0)
386 /* Put the one with fewer arguments first. */
390 /* Put 1+i before i+1. */
392 char *p0 = (char *) strchr (op0->args, '+');
393 char *p1 = (char *) strchr (op1->args, '+');
397 /* There is a plus in both operands. Note that a plus
398 sign cannot be the first character in args,
399 so the following [-1]'s are valid. */
400 if (p0[-1] == 'i' && p1[1] == 'i')
401 /* op0 is i+1 and op1 is 1+i, so op1 goes first. */
403 if (p0[1] == 'i' && p1[-1] == 'i')
404 /* op0 is 1+i and op1 is i+1, so op0 goes first. */
409 /* Put 1,i before i,1. */
411 int i0 = strncmp (op0->args, "i,1", 3) == 0;
412 int i1 = strncmp (op1->args, "i,1", 3) == 0;
418 /* They are, as far as we can tell, identical.
419 Since qsort may have rearranged the table partially, there is
420 no way to tell which one was first in the opcode table as
421 written, so just say there are equal. */
422 /* ??? This is no longer true now that we sort a vector of pointers,
423 not the table itself. */
427 /* Build a hash table from the opcode table.
428 OPCODE_TABLE is a sorted list of pointers into the opcode table. */
431 build_hash_table (const sparc_opcode **opcode_table,
432 sparc_opcode_hash **hash_table,
436 int hash_count[HASH_SIZE];
437 static sparc_opcode_hash *hash_buf = NULL;
439 /* Start at the end of the table and work backwards so that each
442 memset (hash_table, 0, HASH_SIZE * sizeof (hash_table[0]));
443 memset (hash_count, 0, HASH_SIZE * sizeof (hash_count[0]));
444 if (hash_buf != NULL)
446 hash_buf = xmalloc (sizeof (* hash_buf) * num_opcodes);
447 for (i = num_opcodes - 1; i >= 0; --i)
449 int hash = HASH_INSN (opcode_table[i]->match);
450 sparc_opcode_hash *h = &hash_buf[i];
452 h->next = hash_table[hash];
453 h->opcode = opcode_table[i];
454 hash_table[hash] = h;
458 #if 0 /* for debugging */
460 int min_count = num_opcodes, max_count = 0;
463 for (i = 0; i < HASH_SIZE; ++i)
465 if (hash_count[i] < min_count)
466 min_count = hash_count[i];
467 if (hash_count[i] > max_count)
468 max_count = hash_count[i];
469 total += hash_count[i];
472 printf ("Opcode hash table stats: min %d, max %d, ave %f\n",
473 min_count, max_count, (double) total / HASH_SIZE);
478 /* Print one instruction from MEMADDR on INFO->STREAM.
480 We suffix the instruction with a comment that gives the absolute
481 address involved, as well as its symbolic form, if the instruction
482 is preceded by a findable `sethi' and it either adds an immediate
483 displacement to that register, or it is an `add' or `or' instruction
487 print_insn_sparc (bfd_vma memaddr, disassemble_info *info)
489 FILE *stream = info->stream;
492 sparc_opcode_hash *op;
493 /* Nonzero of opcode table has been initialized. */
494 static int opcodes_initialized = 0;
495 /* bfd mach number of last call. */
496 static unsigned long current_mach = 0;
497 bfd_vma (*getword) (const void *);
499 if (!opcodes_initialized
500 || info->mach != current_mach)
504 current_arch_mask = compute_arch_mask (info->mach);
506 if (!opcodes_initialized)
508 xmalloc (sparc_num_opcodes * sizeof (sparc_opcode *));
509 /* Reset the sorted table so we can resort it. */
510 for (i = 0; i < sparc_num_opcodes; ++i)
511 sorted_opcodes[i] = &sparc_opcodes[i];
512 qsort ((char *) sorted_opcodes, sparc_num_opcodes,
513 sizeof (sorted_opcodes[0]), compare_opcodes);
515 build_hash_table (sorted_opcodes, opcode_hash_table, sparc_num_opcodes);
516 current_mach = info->mach;
517 opcodes_initialized = 1;
522 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
526 (*info->memory_error_func) (status, memaddr, info);
531 /* On SPARClite variants such as DANlite (sparc86x), instructions
532 are always big-endian even when the machine is in little-endian mode. */
533 if (info->endian == BFD_ENDIAN_BIG || info->mach == bfd_mach_sparc_sparclite)
534 getword = bfd_getb32;
536 getword = bfd_getl32;
538 insn = getword (buffer);
540 info->insn_info_valid = 1; /* We do return this info. */
541 info->insn_type = dis_nonbranch; /* Assume non branch insn. */
542 info->branch_delay_insns = 0; /* Assume no delay. */
543 info->target = 0; /* Assume no target known. */
545 for (op = opcode_hash_table[HASH_INSN (insn)]; op; op = op->next)
547 const sparc_opcode *opcode = op->opcode;
549 /* If the insn isn't supported by the current architecture, skip it. */
550 if (! (opcode->architecture & current_arch_mask))
553 if ((opcode->match & insn) == opcode->match
554 && (opcode->lose & insn) == 0)
556 /* Nonzero means that we have found an instruction which has
557 the effect of adding or or'ing the imm13 field to rs1. */
558 int imm_added_to_rs1 = 0;
559 int imm_ored_to_rs1 = 0;
561 /* Nonzero means that we have found a plus sign in the args
562 field of the opcode table. */
565 /* Nonzero means we have an annulled branch. */
568 /* Do we have an `add' or `or' instruction combining an
569 immediate with rs1? */
570 if (opcode->match == 0x80102000) /* or */
572 if (opcode->match == 0x80002000) /* add */
573 imm_added_to_rs1 = 1;
575 if (X_RS1 (insn) != X_RD (insn)
576 && strchr (opcode->args, 'r') != 0)
577 /* Can't do simple format if source and dest are different. */
579 if (X_RS2 (insn) != X_RD (insn)
580 && strchr (opcode->args, 'O') != 0)
581 /* Can't do simple format if source and dest are different. */
584 (*info->fprintf_func) (stream, "%s", opcode->name);
589 if (opcode->args[0] != ',')
590 (*info->fprintf_func) (stream, " ");
592 for (s = opcode->args; *s != '\0'; ++s)
596 (*info->fprintf_func) (stream, ",");
601 (*info->fprintf_func) (stream, "a");
606 (*info->fprintf_func) (stream, "pn");
611 (*info->fprintf_func) (stream, "pt");
620 (*info->fprintf_func) (stream, " ");
629 (*info->fprintf_func) (stream, "%c", *s);
633 (*info->fprintf_func) (stream, "0");
636 #define reg(n) (*info->fprintf_func) (stream, "%%%s", reg_names[n])
652 #define freg(n) (*info->fprintf_func) (stream, "%%%s", freg_names[n])
653 #define fregx(n) (*info->fprintf_func) (stream, "%%%s", freg_names[((n) & ~1) | (((n) & 1) << 5)])
657 case 'v': /* Double/even. */
658 case 'V': /* Quad/multiple of 4. */
659 case ';': /* Double/even multiple of 8 doubles. */
660 fregx (X_RS1 (insn));
666 case 'B': /* Double/even. */
667 case 'R': /* Quad/multiple of 4. */
668 case ':': /* Double/even multiple of 8 doubles. */
669 fregx (X_RS2 (insn));
675 case '5': /* Double/even. */
676 fregx (X_RS3 (insn));
682 case 'H': /* Double/even. */
683 case 'J': /* Quad/multiple of 4. */
684 case '}': /* Double/even. */
688 case '^': /* Double/even multiple of 8 doubles. */
689 fregx (X_RD (insn) & ~0x6);
692 case '\'': /* Double/even in FPCMPSHL. */
693 fregx (X_RS2 (insn | 0x11));
699 #define creg(n) (*info->fprintf_func) (stream, "%%c%u", (unsigned int) (n))
714 (*info->fprintf_func) (stream, "%%hi(%#x)",
715 ((unsigned) 0xFFFFFFFF
716 & ((int) X_IMM22 (insn) << 10)));
719 case 'i': /* 13 bit immediate. */
720 case 'I': /* 11 bit immediate. */
721 case 'j': /* 10 bit immediate. */
726 imm = X_SIMM (insn, 13);
728 imm = X_SIMM (insn, 11);
730 imm = X_SIMM (insn, 10);
732 /* Check to see whether we have a 1+i, and take
735 Note: because of the way we sort the table,
736 we will be matching 1+i rather than i+1,
737 so it is OK to assume that i is after +,
740 imm_added_to_rs1 = 1;
743 (*info->fprintf_func) (stream, "%d", imm);
745 (*info->fprintf_func) (stream, "%#x", imm);
749 case ')': /* 5 bit unsigned immediate from RS3. */
750 (info->fprintf_func) (stream, "%#x", (unsigned int) X_RS3 (insn));
753 case 'X': /* 5 bit unsigned immediate. */
754 case 'Y': /* 6 bit unsigned immediate. */
756 int imm = X_IMM (insn, *s == 'X' ? 5 : 6);
759 (info->fprintf_func) (stream, "%d", imm);
761 (info->fprintf_func) (stream, "%#x", (unsigned) imm);
766 (info->fprintf_func) (stream, "%ld", X_IMM (insn, 3));
771 int mask = X_MEMBAR (insn);
772 int bit = 0x40, printed_one = 0;
776 (info->fprintf_func) (stream, "0");
783 (info->fprintf_func) (stream, "|");
784 name = sparc_decode_membar (bit);
785 (info->fprintf_func) (stream, "%s", name);
794 info->target = memaddr + SEX (X_DISP10 (insn), 10) * 4;
795 (*info->print_address_func) (info->target, info);
799 info->target = memaddr + SEX (X_DISP16 (insn), 16) * 4;
800 (*info->print_address_func) (info->target, info);
804 info->target = memaddr + SEX (X_DISP19 (insn), 19) * 4;
805 (*info->print_address_func) (info->target, info);
812 (*info->fprintf_func) (stream, "%%fcc%c", *s - '6' + '0');
816 (*info->fprintf_func) (stream, "%%icc");
820 (*info->fprintf_func) (stream, "%%xcc");
824 (*info->fprintf_func) (stream, "%%ccr");
828 (*info->fprintf_func) (stream, "%%fprs");
832 (*info->fprintf_func) (stream, "%%mcdper");
836 (*info->fprintf_func) (stream, "%%entropy");
840 (*info->fprintf_func) (stream, "%%asi");
844 (*info->fprintf_func) (stream, "%%tick");
848 (*info->fprintf_func) (stream, "%%pc");
852 if (X_RS1 (insn) == 31)
853 (*info->fprintf_func) (stream, "%%ver");
854 else if (X_RS1 (insn) == 23)
855 (*info->fprintf_func) (stream, "%%pmcdper");
856 else if ((unsigned) X_RS1 (insn) < 17)
857 (*info->fprintf_func) (stream, "%%%s",
858 v9_priv_reg_names[X_RS1 (insn)]);
860 (*info->fprintf_func) (stream, "%%reserved");
864 if (X_RD (insn) == 31)
865 (*info->fprintf_func) (stream, "%%ver");
866 else if (X_RD (insn) == 23)
867 (*info->fprintf_func) (stream, "%%pmcdper");
868 else if ((unsigned) X_RD (insn) < 17)
869 (*info->fprintf_func) (stream, "%%%s",
870 v9_priv_reg_names[X_RD (insn)]);
872 (*info->fprintf_func) (stream, "%%reserved");
876 if ((unsigned) X_RS1 (insn) < 32)
877 (*info->fprintf_func) (stream, "%%%s",
878 v9_hpriv_reg_names[X_RS1 (insn)]);
880 (*info->fprintf_func) (stream, "%%reserved");
884 if ((unsigned) X_RD (insn) < 32)
885 (*info->fprintf_func) (stream, "%%%s",
886 v9_hpriv_reg_names[X_RD (insn)]);
888 (*info->fprintf_func) (stream, "%%reserved");
892 if (X_RS1 (insn) < 16 || X_RS1 (insn) > 28)
893 (*info->fprintf_func) (stream, "%%reserved");
895 (*info->fprintf_func) (stream, "%%%s",
896 v9a_asr_reg_names[X_RS1 (insn)-16]);
900 if (X_RD (insn) < 16 || X_RD (insn) > 28)
901 (*info->fprintf_func) (stream, "%%reserved");
903 (*info->fprintf_func) (stream, "%%%s",
904 v9a_asr_reg_names[X_RD (insn)-16]);
909 const char *name = sparc_decode_prefetch (X_RD (insn));
912 (*info->fprintf_func) (stream, "%s", name);
914 (*info->fprintf_func) (stream, "%ld", X_RD (insn));
919 (*info->fprintf_func) (stream, "%%asr%ld", X_RS1 (insn));
923 (*info->fprintf_func) (stream, "%%asr%ld", X_RD (insn));
927 info->target = memaddr + SEX (X_DISP30 (insn), 30) * 4;
928 (*info->print_address_func) (info->target, info);
932 (*info->fprintf_func)
933 (stream, "%#x", SEX (X_DISP22 (insn), 22));
937 info->target = memaddr + SEX (X_DISP22 (insn), 22) * 4;
938 (*info->print_address_func) (info->target, info);
943 const char *name = sparc_decode_asi (X_ASI (insn));
946 (*info->fprintf_func) (stream, "%s", name);
948 (*info->fprintf_func) (stream, "(%ld)", X_ASI (insn));
953 (*info->fprintf_func) (stream, "%%csr");
957 (*info->fprintf_func) (stream, "%%fsr");
961 (*info->fprintf_func) (stream, "%%efsr");
965 (*info->fprintf_func) (stream, "%%psr");
969 (*info->fprintf_func) (stream, "%%fq");
973 (*info->fprintf_func) (stream, "%%cq");
977 (*info->fprintf_func) (stream, "%%tbr");
981 (*info->fprintf_func) (stream, "%%wim");
985 (*info->fprintf_func) (stream, "%ld",
986 ((X_LDST_I (insn) << 8)
990 case '|': /* 2-bit immediate */
991 (*info->fprintf_func) (stream, "%ld", X_IMM2 (insn));
995 (*info->fprintf_func) (stream, "%%y");
1001 int val = *s == 'U' ? X_RS1 (insn) : X_RD (insn);
1002 const char *name = sparc_decode_sparclet_cpreg (val);
1005 (*info->fprintf_func) (stream, "%s", name);
1007 (*info->fprintf_func) (stream, "%%cpreg(%d)", val);
1014 /* If we are adding or or'ing something to rs1, then
1015 check to see whether the previous instruction was
1016 a sethi to the same register as in the sethi.
1017 If so, attempt to print the result of the add or
1018 or (in this context add and or do the same thing)
1019 and its symbolic value. */
1020 if (imm_ored_to_rs1 || imm_added_to_rs1)
1022 unsigned long prev_insn;
1027 (*info->read_memory_func)
1028 (memaddr - 4, buffer, sizeof (buffer), info);
1032 prev_insn = getword (buffer);
1036 /* If it is a delayed branch, we need to look at the
1037 instruction before the delayed branch. This handles
1040 sethi %o1, %hi(_foo), %o1
1042 or %o1, %lo(_foo), %o1 */
1044 if (is_delayed_branch (prev_insn))
1047 errcode = (*info->read_memory_func)
1048 (memaddr - 8, buffer, sizeof (buffer), info);
1052 prev_insn = getword (buffer);
1056 /* If there was a problem reading memory, then assume
1057 the previous instruction was not sethi. */
1060 /* Is it sethi to the same register? */
1061 if ((prev_insn & 0xc1c00000) == 0x01000000
1062 && X_RD (prev_insn) == X_RS1 (insn))
1064 (*info->fprintf_func) (stream, "\t! ");
1066 ((unsigned) 0xFFFFFFFF
1067 & ((int) X_IMM22 (prev_insn) << 10));
1068 if (imm_added_to_rs1)
1069 info->target += X_SIMM (insn, 13);
1071 info->target |= X_SIMM (insn, 13);
1072 (*info->print_address_func) (info->target, info);
1073 info->insn_type = dis_dref;
1074 info->data_size = 4; /* FIXME!!! */
1079 if (opcode->flags & (F_UNBR|F_CONDBR|F_JSR))
1081 /* FIXME -- check is_annulled flag. */
1083 if (opcode->flags & F_UNBR)
1084 info->insn_type = dis_branch;
1085 if (opcode->flags & F_CONDBR)
1086 info->insn_type = dis_condbranch;
1087 if (opcode->flags & F_JSR)
1088 info->insn_type = dis_jsr;
1089 if (opcode->flags & F_DELAYED)
1090 info->branch_delay_insns = 1;
1093 return sizeof (buffer);
1097 info->insn_type = dis_noninsn; /* Mark as non-valid instruction. */
1098 (*info->fprintf_func) (stream, _("unknown"));
1099 return sizeof (buffer);