1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23 /*
24 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
25 * Use is subject to license terms.
26 */
27
28 /*
29 * Copyright (c) 2013 by Delphix. All rights reserved.
30 * Copyright (c) 2017 Joyent, Inc.
31 */
32
33 #include <strings.h>
34 #include <stdio.h>
35
36 #include <dt_impl.h>
37 #include <dt_ident.h>
38
39 /*ARGSUSED*/
40 static void
dt_dis_log(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)41 dt_dis_log(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
42 {
43 (void) fprintf(fp, "%-4s %%r%u, %%r%u, %%r%u", name,
44 DIF_INSTR_R1(in), DIF_INSTR_R2(in), DIF_INSTR_RD(in));
45 }
46
47 /*ARGSUSED*/
48 static void
dt_dis_branch(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)49 dt_dis_branch(const dtrace_difo_t *dp, const char *name,
50 dif_instr_t in, FILE *fp)
51 {
52 (void) fprintf(fp, "%-4s %u", name, DIF_INSTR_LABEL(in));
53 }
54
55 /*ARGSUSED*/
56 static void
dt_dis_load(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)57 dt_dis_load(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
58 {
59 (void) fprintf(fp, "%-4s [%%r%u], %%r%u", name,
60 DIF_INSTR_R1(in), DIF_INSTR_RD(in));
61 }
62
63 /*ARGSUSED*/
64 static void
dt_dis_store(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)65 dt_dis_store(const dtrace_difo_t *dp, const char *name,
66 dif_instr_t in, FILE *fp)
67 {
68 (void) fprintf(fp, "%-4s %%r%u, [%%r%u]", name,
69 DIF_INSTR_R1(in), DIF_INSTR_RD(in));
70 }
71
72 /*ARGSUSED*/
73 static void
dt_dis_str(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)74 dt_dis_str(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
75 {
76 (void) fprintf(fp, "%s", name);
77 }
78
79 /*ARGSUSED*/
80 static void
dt_dis_r1rd(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)81 dt_dis_r1rd(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
82 {
83 (void) fprintf(fp, "%-4s %%r%u, %%r%u", name,
84 DIF_INSTR_R1(in), DIF_INSTR_RD(in));
85 }
86
87 /*ARGSUSED*/
88 static void
dt_dis_cmp(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)89 dt_dis_cmp(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
90 {
91 (void) fprintf(fp, "%-4s %%r%u, %%r%u", name,
92 DIF_INSTR_R1(in), DIF_INSTR_R2(in));
93 }
94
95 /*ARGSUSED*/
96 static void
dt_dis_tst(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)97 dt_dis_tst(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
98 {
99 (void) fprintf(fp, "%-4s %%r%u", name, DIF_INSTR_R1(in));
100 }
101
102 static const char *
dt_dis_varname(const dtrace_difo_t * dp,uint_t id,uint_t scope)103 dt_dis_varname(const dtrace_difo_t *dp, uint_t id, uint_t scope)
104 {
105 const dtrace_difv_t *dvp = dp->dtdo_vartab;
106 uint_t i;
107
108 for (i = 0; i < dp->dtdo_varlen; i++, dvp++) {
109 if (dvp->dtdv_id == id && dvp->dtdv_scope == scope) {
110 if (dvp->dtdv_name < dp->dtdo_strlen)
111 return (dp->dtdo_strtab + dvp->dtdv_name);
112 break;
113 }
114 }
115
116 return (NULL);
117 }
118
119 static uint_t
dt_dis_scope(const char * name)120 dt_dis_scope(const char *name)
121 {
122 switch (name[2]) {
123 case 'l': return (DIFV_SCOPE_LOCAL);
124 case 't': return (DIFV_SCOPE_THREAD);
125 case 'g': return (DIFV_SCOPE_GLOBAL);
126 default: return (-1u);
127 }
128 }
129
130 static void
dt_dis_lda(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)131 dt_dis_lda(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
132 {
133 uint_t var = DIF_INSTR_R1(in);
134 const char *vname;
135
136 (void) fprintf(fp, "%-4s DT_VAR(%u), %%r%u, %%r%u", name,
137 var, DIF_INSTR_R2(in), DIF_INSTR_RD(in));
138
139 if ((vname = dt_dis_varname(dp, var, dt_dis_scope(name))) != NULL)
140 (void) fprintf(fp, "\t\t! DT_VAR(%u) = \"%s\"", var, vname);
141 }
142
143 static void
dt_dis_ldv(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)144 dt_dis_ldv(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
145 {
146 uint_t var = DIF_INSTR_VAR(in);
147 const char *vname;
148
149 (void) fprintf(fp, "%-4s DT_VAR(%u), %%r%u",
150 name, var, DIF_INSTR_RD(in));
151
152 if ((vname = dt_dis_varname(dp, var, dt_dis_scope(name))) != NULL)
153 (void) fprintf(fp, "\t\t! DT_VAR(%u) = \"%s\"", var, vname);
154 }
155
156 static void
dt_dis_stv(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)157 dt_dis_stv(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
158 {
159 uint_t var = DIF_INSTR_VAR(in);
160 const char *vname;
161
162 (void) fprintf(fp, "%-4s %%r%u, DT_VAR(%u)",
163 name, DIF_INSTR_RS(in), var);
164
165 if ((vname = dt_dis_varname(dp, var, dt_dis_scope(name))) != NULL)
166 (void) fprintf(fp, "\t\t! DT_VAR(%u) = \"%s\"", var, vname);
167 }
168
169 static void
dt_dis_sta(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)170 dt_dis_sta(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
171 {
172 uint_t var = DIF_INSTR_VAR(in);
173 const char *vname;
174
175 (void) fprintf(fp, "%-4s DT_VAR(%u), %%r%u, %%r%u",
176 name, var, DIF_INSTR_R2(in), DIF_INSTR_RD(in));
177
178 if ((vname = dt_dis_varname(dp, var, dt_dis_scope(name))) != NULL)
179 (void) fprintf(fp, "\t\t! DT_VAR(%u) = \"%s\"", var, vname);
180 }
181
182 static void
dt_dis_setx(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)183 dt_dis_setx(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
184 {
185 uint_t intptr = DIF_INSTR_INTEGER(in);
186
187 (void) fprintf(fp, "%-4s DT_INTEGER[%u], %%r%u", name,
188 intptr, DIF_INSTR_RD(in));
189
190 if (intptr < dp->dtdo_intlen) {
191 (void) fprintf(fp, "\t\t! 0x%llx",
192 (u_longlong_t)dp->dtdo_inttab[intptr]);
193 }
194 }
195
196 static void
dt_dis_sets(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)197 dt_dis_sets(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
198 {
199 uint_t strptr = DIF_INSTR_STRING(in);
200
201 (void) fprintf(fp, "%-4s DT_STRING[%u], %%r%u", name,
202 strptr, DIF_INSTR_RD(in));
203
204 if (strptr < dp->dtdo_strlen)
205 (void) fprintf(fp, "\t\t! \"%s\"", dp->dtdo_strtab + strptr);
206 }
207
208 /*ARGSUSED*/
209 static void
dt_dis_ret(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)210 dt_dis_ret(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
211 {
212 (void) fprintf(fp, "%-4s %%r%u", name, DIF_INSTR_RD(in));
213 }
214
215 /*ARGSUSED*/
216 static void
dt_dis_call(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)217 dt_dis_call(const dtrace_difo_t *dp, const char *name, dif_instr_t in, FILE *fp)
218 {
219 uint_t subr = DIF_INSTR_SUBR(in);
220
221 (void) fprintf(fp, "%-4s DIF_SUBR(%u), %%r%u\t\t! %s",
222 name, subr, DIF_INSTR_RD(in), dtrace_subrstr(NULL, subr));
223 }
224
225 /*ARGSUSED*/
226 static void
dt_dis_pushts(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)227 dt_dis_pushts(const dtrace_difo_t *dp,
228 const char *name, dif_instr_t in, FILE *fp)
229 {
230 static const char *const tnames[] = { "D type", "string" };
231 uint_t type = DIF_INSTR_TYPE(in);
232 const char *pad;
233
234 if (DIF_INSTR_OP(in) == DIF_OP_PUSHTV) {
235 (void) fprintf(fp, "%-4s DT_TYPE(%u), %%r%u",
236 name, type, DIF_INSTR_RS(in));
237 pad = "\t\t";
238 } else {
239 (void) fprintf(fp, "%-4s DT_TYPE(%u), %%r%u, %%r%u",
240 name, type, DIF_INSTR_R2(in), DIF_INSTR_RS(in));
241 pad = "\t";
242 }
243
244 if (type < sizeof (tnames) / sizeof (tnames[0])) {
245 (void) fprintf(fp, "%s! DT_TYPE(%u) = %s", pad,
246 type, tnames[type]);
247 }
248 }
249
250 static void
dt_dis_xlate(const dtrace_difo_t * dp,const char * name,dif_instr_t in,FILE * fp)251 dt_dis_xlate(const dtrace_difo_t *dp,
252 const char *name, dif_instr_t in, FILE *fp)
253 {
254 uint_t xlr = DIF_INSTR_XLREF(in);
255
256 (void) fprintf(fp, "%-4s DT_XLREF[%u], %%r%u",
257 name, xlr, DIF_INSTR_RD(in));
258
259 if (xlr < dp->dtdo_xlmlen) {
260 (void) fprintf(fp, "\t\t! DT_XLREF[%u] = %u.%s", xlr,
261 (uint_t)dp->dtdo_xlmtab[xlr]->dn_membexpr->dn_xlator->dx_id,
262 dp->dtdo_xlmtab[xlr]->dn_membname);
263 }
264 }
265
266 static char *
dt_dis_typestr(const dtrace_diftype_t * t,char * buf,size_t len)267 dt_dis_typestr(const dtrace_diftype_t *t, char *buf, size_t len)
268 {
269 char kind[16], ckind[16];
270
271 switch (t->dtdt_kind) {
272 case DIF_TYPE_CTF:
273 (void) strcpy(kind, "D type");
274 break;
275 case DIF_TYPE_STRING:
276 (void) strcpy(kind, "string");
277 break;
278 default:
279 (void) snprintf(kind, sizeof (kind), "0x%x", t->dtdt_kind);
280 }
281
282 switch (t->dtdt_ckind) {
283 case CTF_K_UNKNOWN:
284 (void) strcpy(ckind, "unknown");
285 break;
286 case CTF_K_INTEGER:
287 (void) strcpy(ckind, "integer");
288 break;
289 case CTF_K_FLOAT:
290 (void) strcpy(ckind, "float");
291 break;
292 case CTF_K_POINTER:
293 (void) strcpy(ckind, "pointer");
294 break;
295 case CTF_K_ARRAY:
296 (void) strcpy(ckind, "array");
297 break;
298 case CTF_K_FUNCTION:
299 (void) strcpy(ckind, "function");
300 break;
301 case CTF_K_STRUCT:
302 (void) strcpy(ckind, "struct");
303 break;
304 case CTF_K_UNION:
305 (void) strcpy(ckind, "union");
306 break;
307 case CTF_K_ENUM:
308 (void) strcpy(ckind, "enum");
309 break;
310 case CTF_K_FORWARD:
311 (void) strcpy(ckind, "forward");
312 break;
313 case CTF_K_TYPEDEF:
314 (void) strcpy(ckind, "typedef");
315 break;
316 case CTF_K_VOLATILE:
317 (void) strcpy(ckind, "volatile");
318 break;
319 case CTF_K_CONST:
320 (void) strcpy(ckind, "const");
321 break;
322 case CTF_K_RESTRICT:
323 (void) strcpy(ckind, "restrict");
324 break;
325 default:
326 (void) snprintf(ckind, sizeof (ckind), "0x%x", t->dtdt_ckind);
327 }
328
329 if (t->dtdt_flags & (DIF_TF_BYREF | DIF_TF_BYUREF)) {
330 (void) snprintf(buf, len, "%s (%s) by %sref (size %lu)",
331 kind, ckind, (t->dtdt_flags & DIF_TF_BYUREF) ? "user " : "",
332 (ulong_t)t->dtdt_size);
333 } else {
334 (void) snprintf(buf, len, "%s (%s) (size %lu)",
335 kind, ckind, (ulong_t)t->dtdt_size);
336 }
337
338 return (buf);
339 }
340
341 static void
dt_dis_rtab(const char * rtag,const dtrace_difo_t * dp,FILE * fp,const dof_relodesc_t * rp,uint32_t len)342 dt_dis_rtab(const char *rtag, const dtrace_difo_t *dp, FILE *fp,
343 const dof_relodesc_t *rp, uint32_t len)
344 {
345 (void) fprintf(fp, "\n%-4s %-8s %-8s %s\n",
346 rtag, "OFFSET", "DATA", "NAME");
347
348 for (; len != 0; len--, rp++) {
349 (void) fprintf(fp, "%-4u %-8llu %-8llu %s\n",
350 rp->dofr_type, (u_longlong_t)rp->dofr_offset,
351 (u_longlong_t)rp->dofr_data,
352 &dp->dtdo_strtab[rp->dofr_name]);
353 }
354 }
355
356 void
dt_dis(const dtrace_difo_t * dp,FILE * fp)357 dt_dis(const dtrace_difo_t *dp, FILE *fp)
358 {
359 static const struct opent {
360 const char *op_name;
361 void (*op_func)(const dtrace_difo_t *, const char *,
362 dif_instr_t, FILE *);
363 } optab[] = {
364 { "(illegal opcode)", dt_dis_str },
365 { "or", dt_dis_log }, /* DIF_OP_OR */
366 { "xor", dt_dis_log }, /* DIF_OP_XOR */
367 { "and", dt_dis_log }, /* DIF_OP_AND */
368 { "sll", dt_dis_log }, /* DIF_OP_SLL */
369 { "srl", dt_dis_log }, /* DIF_OP_SRL */
370 { "sub", dt_dis_log }, /* DIF_OP_SUB */
371 { "add", dt_dis_log }, /* DIF_OP_ADD */
372 { "mul", dt_dis_log }, /* DIF_OP_MUL */
373 { "sdiv", dt_dis_log }, /* DIF_OP_SDIV */
374 { "udiv", dt_dis_log }, /* DIF_OP_UDIV */
375 { "srem", dt_dis_log }, /* DIF_OP_SREM */
376 { "urem", dt_dis_log }, /* DIF_OP_UREM */
377 { "not", dt_dis_r1rd }, /* DIF_OP_NOT */
378 { "mov", dt_dis_r1rd }, /* DIF_OP_MOV */
379 { "cmp", dt_dis_cmp }, /* DIF_OP_CMP */
380 { "tst", dt_dis_tst }, /* DIF_OP_TST */
381 { "ba", dt_dis_branch }, /* DIF_OP_BA */
382 { "be", dt_dis_branch }, /* DIF_OP_BE */
383 { "bne", dt_dis_branch }, /* DIF_OP_BNE */
384 { "bg", dt_dis_branch }, /* DIF_OP_BG */
385 { "bgu", dt_dis_branch }, /* DIF_OP_BGU */
386 { "bge", dt_dis_branch }, /* DIF_OP_BGE */
387 { "bgeu", dt_dis_branch }, /* DIF_OP_BGEU */
388 { "bl", dt_dis_branch }, /* DIF_OP_BL */
389 { "blu", dt_dis_branch }, /* DIF_OP_BLU */
390 { "ble", dt_dis_branch }, /* DIF_OP_BLE */
391 { "bleu", dt_dis_branch }, /* DIF_OP_BLEU */
392 { "ldsb", dt_dis_load }, /* DIF_OP_LDSB */
393 { "ldsh", dt_dis_load }, /* DIF_OP_LDSH */
394 { "ldsw", dt_dis_load }, /* DIF_OP_LDSW */
395 { "ldub", dt_dis_load }, /* DIF_OP_LDUB */
396 { "lduh", dt_dis_load }, /* DIF_OP_LDUH */
397 { "lduw", dt_dis_load }, /* DIF_OP_LDUW */
398 { "ldx", dt_dis_load }, /* DIF_OP_LDX */
399 { "ret", dt_dis_ret }, /* DIF_OP_RET */
400 { "nop", dt_dis_str }, /* DIF_OP_NOP */
401 { "setx", dt_dis_setx }, /* DIF_OP_SETX */
402 { "sets", dt_dis_sets }, /* DIF_OP_SETS */
403 { "scmp", dt_dis_cmp }, /* DIF_OP_SCMP */
404 { "ldga", dt_dis_lda }, /* DIF_OP_LDGA */
405 { "ldgs", dt_dis_ldv }, /* DIF_OP_LDGS */
406 { "stgs", dt_dis_stv }, /* DIF_OP_STGS */
407 { "ldta", dt_dis_lda }, /* DIF_OP_LDTA */
408 { "ldts", dt_dis_ldv }, /* DIF_OP_LDTS */
409 { "stts", dt_dis_stv }, /* DIF_OP_STTS */
410 { "sra", dt_dis_log }, /* DIF_OP_SRA */
411 { "call", dt_dis_call }, /* DIF_OP_CALL */
412 { "pushtr", dt_dis_pushts }, /* DIF_OP_PUSHTR */
413 { "pushtv", dt_dis_pushts }, /* DIF_OP_PUSHTV */
414 { "popts", dt_dis_str }, /* DIF_OP_POPTS */
415 { "flushts", dt_dis_str }, /* DIF_OP_FLUSHTS */
416 { "ldgaa", dt_dis_ldv }, /* DIF_OP_LDGAA */
417 { "ldtaa", dt_dis_ldv }, /* DIF_OP_LDTAA */
418 { "stgaa", dt_dis_stv }, /* DIF_OP_STGAA */
419 { "sttaa", dt_dis_stv }, /* DIF_OP_STTAA */
420 { "ldls", dt_dis_ldv }, /* DIF_OP_LDLS */
421 { "stls", dt_dis_stv }, /* DIF_OP_STLS */
422 { "allocs", dt_dis_r1rd }, /* DIF_OP_ALLOCS */
423 { "copys", dt_dis_log }, /* DIF_OP_COPYS */
424 { "stb", dt_dis_store }, /* DIF_OP_STB */
425 { "sth", dt_dis_store }, /* DIF_OP_STH */
426 { "stw", dt_dis_store }, /* DIF_OP_STW */
427 { "stx", dt_dis_store }, /* DIF_OP_STX */
428 { "uldsb", dt_dis_load }, /* DIF_OP_ULDSB */
429 { "uldsh", dt_dis_load }, /* DIF_OP_ULDSH */
430 { "uldsw", dt_dis_load }, /* DIF_OP_ULDSW */
431 { "uldub", dt_dis_load }, /* DIF_OP_ULDUB */
432 { "ulduh", dt_dis_load }, /* DIF_OP_ULDUH */
433 { "ulduw", dt_dis_load }, /* DIF_OP_ULDUW */
434 { "uldx", dt_dis_load }, /* DIF_OP_ULDX */
435 { "rldsb", dt_dis_load }, /* DIF_OP_RLDSB */
436 { "rldsh", dt_dis_load }, /* DIF_OP_RLDSH */
437 { "rldsw", dt_dis_load }, /* DIF_OP_RLDSW */
438 { "rldub", dt_dis_load }, /* DIF_OP_RLDUB */
439 { "rlduh", dt_dis_load }, /* DIF_OP_RLDUH */
440 { "rlduw", dt_dis_load }, /* DIF_OP_RLDUW */
441 { "rldx", dt_dis_load }, /* DIF_OP_RLDX */
442 { "xlate", dt_dis_xlate }, /* DIF_OP_XLATE */
443 { "xlarg", dt_dis_xlate }, /* DIF_OP_XLARG */
444 { "stga", dt_dis_sta }, /* DIF_OP_XLARG */
445 };
446
447 const struct opent *op;
448 ulong_t i = 0;
449 char type[DT_TYPE_NAMELEN];
450
451 (void) fprintf(fp, "\nDIFO 0x%p returns %s\n", (void *)dp,
452 dt_dis_typestr(&dp->dtdo_rtype, type, sizeof (type)));
453
454 (void) fprintf(fp, "%-3s %-8s %s\n",
455 "OFF", "OPCODE", "INSTRUCTION");
456
457 for (i = 0; i < dp->dtdo_len; i++) {
458 dif_instr_t instr = dp->dtdo_buf[i];
459 dif_instr_t opcode = DIF_INSTR_OP(instr);
460
461 if (opcode >= sizeof (optab) / sizeof (optab[0]))
462 opcode = 0; /* force invalid opcode message */
463
464 op = &optab[opcode];
465 (void) fprintf(fp, "%02lu: %08x ", i, instr);
466 op->op_func(dp, op->op_name, instr, fp);
467 (void) fprintf(fp, "\n");
468 }
469
470 if (dp->dtdo_varlen != 0) {
471 (void) fprintf(fp, "\n%-16s %-4s %-3s %-3s %-4s %s\n",
472 "NAME", "ID", "KND", "SCP", "FLAG", "TYPE");
473 }
474
475 for (i = 0; i < dp->dtdo_varlen; i++) {
476 dtrace_difv_t *v = &dp->dtdo_vartab[i];
477 char kind[4], scope[4], flags[16] = { 0 };
478
479 switch (v->dtdv_kind) {
480 case DIFV_KIND_ARRAY:
481 (void) strcpy(kind, "arr");
482 break;
483 case DIFV_KIND_SCALAR:
484 (void) strcpy(kind, "scl");
485 break;
486 default:
487 (void) snprintf(kind, sizeof (kind),
488 "%u", v->dtdv_kind);
489 }
490
491 switch (v->dtdv_scope) {
492 case DIFV_SCOPE_GLOBAL:
493 (void) strcpy(scope, "glb");
494 break;
495 case DIFV_SCOPE_THREAD:
496 (void) strcpy(scope, "tls");
497 break;
498 case DIFV_SCOPE_LOCAL:
499 (void) strcpy(scope, "loc");
500 break;
501 default:
502 (void) snprintf(scope, sizeof (scope),
503 "%u", v->dtdv_scope);
504 }
505
506 if (v->dtdv_flags & ~(DIFV_F_REF | DIFV_F_MOD)) {
507 (void) snprintf(flags, sizeof (flags), "/0x%x",
508 v->dtdv_flags & ~(DIFV_F_REF | DIFV_F_MOD));
509 }
510
511 if (v->dtdv_flags & DIFV_F_REF)
512 (void) strcat(flags, "/r");
513 if (v->dtdv_flags & DIFV_F_MOD)
514 (void) strcat(flags, "/w");
515
516 (void) fprintf(fp, "%-16s %-4x %-3s %-3s %-4s %s\n",
517 &dp->dtdo_strtab[v->dtdv_name],
518 v->dtdv_id, kind, scope, flags + 1,
519 dt_dis_typestr(&v->dtdv_type, type, sizeof (type)));
520 }
521
522 if (dp->dtdo_xlmlen != 0) {
523 (void) fprintf(fp, "\n%-4s %-3s %-12s %s\n",
524 "XLID", "ARG", "MEMBER", "TYPE");
525 }
526
527 for (i = 0; i < dp->dtdo_xlmlen; i++) {
528 dt_node_t *dnp = dp->dtdo_xlmtab[i];
529 dt_xlator_t *dxp = dnp->dn_membexpr->dn_xlator;
530 (void) fprintf(fp, "%-4u %-3d %-12s %s\n",
531 (uint_t)dxp->dx_id, dxp->dx_arg, dnp->dn_membname,
532 dt_node_type_name(dnp, type, sizeof (type)));
533 }
534
535 if (dp->dtdo_krelen != 0)
536 dt_dis_rtab("KREL", dp, fp, dp->dtdo_kreltab, dp->dtdo_krelen);
537
538 if (dp->dtdo_urelen != 0)
539 dt_dis_rtab("UREL", dp, fp, dp->dtdo_ureltab, dp->dtdo_urelen);
540 }
541