4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
28 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
29 * Copyright (c) 2012 by Delphix. All rights reserved.
32 #include <sys/resource.h>
34 #include <sys/types.h>
48 #include <dt_string.h>
51 dt_opt_agg(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
53 dt_aggregate_t *agp = &dtp->dt_aggregate;
56 return (dt_set_errno(dtp, EDT_BADOPTVAL));
58 agp->dtat_flags |= option;
64 dt_opt_amin(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
66 char str[DTRACE_ATTR2STR_MAX];
67 dtrace_attribute_t attr;
69 if (arg == NULL || dtrace_str2attr(arg, &attr) == -1)
70 return (dt_set_errno(dtp, EDT_BADOPTVAL));
72 dt_dprintf("set compiler attribute minimum to %s\n",
73 dtrace_attr2str(attr, str, sizeof (str)));
75 if (dtp->dt_pcb != NULL) {
76 dtp->dt_pcb->pcb_cflags |= DTRACE_C_EATTR;
77 dtp->dt_pcb->pcb_amin = attr;
79 dtp->dt_cflags |= DTRACE_C_EATTR;
89 const char msg[] = "libdtrace DEBUG: [ forcing coredump ]\n";
94 (void) write(STDERR_FILENO, msg, sizeof (msg) - 1);
96 act.sa_handler = SIG_DFL;
99 (void) sigemptyset(&act.sa_mask);
100 (void) sigaction(SIGABRT, &act, NULL);
102 lim.rlim_cur = RLIM_INFINITY;
103 lim.rlim_max = RLIM_INFINITY;
105 (void) setrlimit(RLIMIT_CORE, &lim);
111 dt_opt_core(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
113 static int enabled = 0;
116 return (dt_set_errno(dtp, EDT_BADOPTVAL));
118 if (enabled++ || atexit(dt_coredump) == 0)
121 return (dt_set_errno(dtp, errno));
126 dt_opt_cpp_hdrs(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
129 return (dt_set_errno(dtp, EDT_BADOPTVAL));
131 if (dtp->dt_pcb != NULL)
132 return (dt_set_errno(dtp, EDT_BADOPTCTX));
134 if (dt_cpp_add_arg(dtp, "-H") == NULL)
135 return (dt_set_errno(dtp, EDT_NOMEM));
142 dt_opt_cpp_path(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
147 return (dt_set_errno(dtp, EDT_BADOPTVAL));
149 if (dtp->dt_pcb != NULL)
150 return (dt_set_errno(dtp, EDT_BADOPTCTX));
152 if ((cpp = strdup(arg)) == NULL)
153 return (dt_set_errno(dtp, EDT_NOMEM));
155 dtp->dt_cpp_argv[0] = (char *)strbasename(cpp);
156 free(dtp->dt_cpp_path);
157 dtp->dt_cpp_path = cpp;
163 dt_opt_cpp_opts(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
167 const char *opt = (const char *)option;
169 if (opt == NULL || arg == NULL)
170 return (dt_set_errno(dtp, EDT_BADOPTVAL));
172 if (dtp->dt_pcb != NULL)
173 return (dt_set_errno(dtp, EDT_BADOPTCTX));
175 len = strlen(opt) + strlen(arg) + 1;
178 (void) strcpy(buf, opt);
179 (void) strcat(buf, arg);
181 if (dt_cpp_add_arg(dtp, buf) == NULL)
182 return (dt_set_errno(dtp, EDT_NOMEM));
189 dt_opt_ctypes(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
194 return (dt_set_errno(dtp, EDT_BADOPTVAL));
196 if ((fd = open64(arg, O_CREAT | O_WRONLY, 0666)) == -1)
197 return (dt_set_errno(dtp, errno));
199 (void) close(dtp->dt_cdefs_fd);
200 dtp->dt_cdefs_fd = fd;
206 dt_opt_droptags(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
208 dtp->dt_droptags = 1;
214 dt_opt_dtypes(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
219 return (dt_set_errno(dtp, EDT_BADOPTVAL));
221 if ((fd = open64(arg, O_CREAT | O_WRONLY, 0666)) == -1)
222 return (dt_set_errno(dtp, errno));
224 (void) close(dtp->dt_ddefs_fd);
225 dtp->dt_ddefs_fd = fd;
231 dt_opt_debug(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
234 return (dt_set_errno(dtp, EDT_BADOPTVAL));
242 dt_opt_iregs(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
246 if (arg == NULL || (n = atoi(arg)) <= 0)
247 return (dt_set_errno(dtp, EDT_BADOPTVAL));
249 dtp->dt_conf.dtc_difintregs = n;
255 dt_opt_lazyload(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
257 dtp->dt_lazyload = 1;
264 dt_opt_ld_path(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
269 return (dt_set_errno(dtp, EDT_BADOPTVAL));
271 if (dtp->dt_pcb != NULL)
272 return (dt_set_errno(dtp, EDT_BADOPTCTX));
274 if ((ld = strdup(arg)) == NULL)
275 return (dt_set_errno(dtp, EDT_NOMEM));
277 free(dtp->dt_ld_path);
278 dtp->dt_ld_path = ld;
285 dt_opt_libdir(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
290 return (dt_set_errno(dtp, EDT_BADOPTVAL));
292 if ((dp = malloc(sizeof (dt_dirpath_t))) == NULL ||
293 (dp->dir_path = strdup(arg)) == NULL) {
295 return (dt_set_errno(dtp, EDT_NOMEM));
298 dt_list_append(&dtp->dt_lib_path, dp);
304 dt_opt_linkmode(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
307 return (dt_set_errno(dtp, EDT_BADOPTVAL));
309 if (strcmp(arg, "kernel") == 0)
310 dtp->dt_linkmode = DT_LINK_KERNEL;
311 else if (strcmp(arg, "primary") == 0)
312 dtp->dt_linkmode = DT_LINK_PRIMARY;
313 else if (strcmp(arg, "dynamic") == 0)
314 dtp->dt_linkmode = DT_LINK_DYNAMIC;
315 else if (strcmp(arg, "static") == 0)
316 dtp->dt_linkmode = DT_LINK_STATIC;
318 return (dt_set_errno(dtp, EDT_BADOPTVAL));
325 dt_opt_linktype(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
328 return (dt_set_errno(dtp, EDT_BADOPTVAL));
330 if (strcasecmp(arg, "elf") == 0)
331 dtp->dt_linktype = DT_LTYP_ELF;
332 else if (strcasecmp(arg, "dof") == 0)
333 dtp->dt_linktype = DT_LTYP_DOF;
335 return (dt_set_errno(dtp, EDT_BADOPTVAL));
342 dt_opt_encoding(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
345 return (dt_set_errno(dtp, EDT_BADOPTVAL));
347 if (strcmp(arg, "ascii") == 0)
348 dtp->dt_encoding = DT_ENCODING_ASCII;
349 else if (strcmp(arg, "utf8") == 0)
350 dtp->dt_encoding = DT_ENCODING_UTF8;
352 return (dt_set_errno(dtp, EDT_BADOPTVAL));
359 dt_opt_evaltime(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
362 return (dt_set_errno(dtp, EDT_BADOPTVAL));
364 if (strcmp(arg, "exec") == 0)
365 dtp->dt_prcmode = DT_PROC_STOP_CREATE;
366 else if (strcmp(arg, "preinit") == 0)
367 dtp->dt_prcmode = DT_PROC_STOP_PREINIT;
368 else if (strcmp(arg, "postinit") == 0)
369 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT;
370 else if (strcmp(arg, "main") == 0)
371 dtp->dt_prcmode = DT_PROC_STOP_MAIN;
373 return (dt_set_errno(dtp, EDT_BADOPTVAL));
380 dt_opt_pgmax(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
384 if (arg == NULL || (n = atoi(arg)) < 0)
385 return (dt_set_errno(dtp, EDT_BADOPTVAL));
387 dtp->dt_procs->dph_lrulim = n;
392 dt_opt_setenv(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
399 * We can't effectively set environment variables from #pragma lines
400 * since the processes have already been spawned.
402 if (dtp->dt_pcb != NULL)
403 return (dt_set_errno(dtp, EDT_BADOPTCTX));
406 return (dt_set_errno(dtp, EDT_BADOPTVAL));
408 if (!option && strchr(arg, '=') != NULL)
409 return (dt_set_errno(dtp, EDT_BADOPTVAL));
411 for (i = 1, p = dtp->dt_proc_env; *p != NULL; i++, p++)
414 for (p = dtp->dt_proc_env; *p != NULL; p++) {
415 var = strchr(*p, '=');
417 var = *p + strlen(*p);
418 if (strncmp(*p, arg, var - *p) == 0) {
420 *p = dtp->dt_proc_env[i - 1];
421 dtp->dt_proc_env[i - 1] = NULL;
427 if ((var = strdup(arg)) == NULL)
428 return (dt_set_errno(dtp, EDT_NOMEM));
430 if ((p = dt_alloc(dtp, sizeof (char *) * (i + 1))) == NULL) {
432 return (dt_set_errno(dtp, EDT_NOMEM));
435 bcopy(dtp->dt_proc_env, p, sizeof (char *) * i);
436 dt_free(dtp, dtp->dt_proc_env);
437 dtp->dt_proc_env = p;
439 dtp->dt_proc_env[i - 1] = var;
440 dtp->dt_proc_env[i] = NULL;
448 dt_opt_stdc(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
451 return (dt_set_errno(dtp, EDT_BADOPTVAL));
453 if (dtp->dt_pcb != NULL)
454 return (dt_set_errno(dtp, EDT_BADOPTCTX));
456 if (strcmp(arg, "a") == 0)
457 dtp->dt_stdcmode = DT_STDC_XA;
458 else if (strcmp(arg, "c") == 0)
459 dtp->dt_stdcmode = DT_STDC_XC;
460 else if (strcmp(arg, "s") == 0)
461 dtp->dt_stdcmode = DT_STDC_XS;
462 else if (strcmp(arg, "t") == 0)
463 dtp->dt_stdcmode = DT_STDC_XT;
465 return (dt_set_errno(dtp, EDT_BADOPTVAL));
472 dt_opt_syslibdir(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
474 dt_dirpath_t *dp = dt_list_next(&dtp->dt_lib_path);
478 return (dt_set_errno(dtp, EDT_BADOPTVAL));
480 if ((path = strdup(arg)) == NULL)
481 return (dt_set_errno(dtp, EDT_NOMEM));
491 dt_opt_tree(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
495 if (arg == NULL || (m = atoi(arg)) <= 0)
496 return (dt_set_errno(dtp, EDT_BADOPTVAL));
498 dtp->dt_treedump = m;
504 dt_opt_tregs(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
508 if (arg == NULL || (n = atoi(arg)) <= 0)
509 return (dt_set_errno(dtp, EDT_BADOPTVAL));
511 dtp->dt_conf.dtc_diftupregs = n;
517 dt_opt_xlate(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
520 return (dt_set_errno(dtp, EDT_BADOPTVAL));
522 if (strcmp(arg, "dynamic") == 0)
523 dtp->dt_xlatemode = DT_XL_DYNAMIC;
524 else if (strcmp(arg, "static") == 0)
525 dtp->dt_xlatemode = DT_XL_STATIC;
527 return (dt_set_errno(dtp, EDT_BADOPTVAL));
534 dt_opt_cflags(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
537 return (dt_set_errno(dtp, EDT_BADOPTVAL));
539 if (dtp->dt_pcb != NULL)
540 dtp->dt_pcb->pcb_cflags |= option;
542 dtp->dt_cflags |= option;
548 dt_opt_dflags(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
551 return (dt_set_errno(dtp, EDT_BADOPTVAL));
553 dtp->dt_dflags |= option;
558 dt_opt_invcflags(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
561 return (dt_set_errno(dtp, EDT_BADOPTVAL));
563 if (dtp->dt_pcb != NULL)
564 dtp->dt_pcb->pcb_cflags &= ~option;
566 dtp->dt_cflags &= ~option;
573 dt_opt_version(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
578 return (dt_set_errno(dtp, EDT_BADOPTVAL));
580 if (dt_version_str2num(arg, &v) == -1)
581 return (dt_set_errno(dtp, EDT_VERSINVAL));
583 if (!dt_version_defined(v))
584 return (dt_set_errno(dtp, EDT_VERSUNDEF));
586 return (dt_reduce(dtp, v));
590 dt_opt_runtime(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
593 dtrace_optval_t val = 0;
601 { "enable", "disable" },
602 { "enabled", "disabled" },
610 if (arg[0] == '\0') {
611 val = DTRACEOPT_UNSET;
615 for (i = 0; couples[i].positive != NULL; i++) {
616 if (strcasecmp(couples[i].positive, arg) == 0) {
621 if (strcasecmp(couples[i].negative, arg) == 0) {
622 val = DTRACEOPT_UNSET;
628 val = strtoull(arg, &end, 0);
630 if (*end != '\0' || errno != 0 || val < 0)
631 return (dt_set_errno(dtp, EDT_BADOPTVAL));
635 dtp->dt_options[option] = val;
640 dt_optval_parse(const char *arg, dtrace_optval_t *rval)
642 dtrace_optval_t mul = 1;
649 switch (arg[len - 1]) {
671 *rval = strtoull(arg, &end, 0) * mul;
673 if ((mul > 1 && end != &arg[len - 1]) || (mul == 1 && *end != '\0') ||
674 *rval < 0 || errno != 0)
681 dt_opt_size(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
683 dtrace_optval_t val = 0;
685 if (arg != NULL && dt_optval_parse(arg, &val) != 0)
686 return (dt_set_errno(dtp, EDT_BADOPTVAL));
688 dtp->dt_options[option] = val;
693 dt_opt_rate(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
697 dtrace_optval_t mul = 1, val = 0;
703 { "ns", NANOSEC / NANOSEC },
704 { "nsec", NANOSEC / NANOSEC },
705 { "us", NANOSEC / MICROSEC },
706 { "usec", NANOSEC / MICROSEC },
707 { "ms", NANOSEC / MILLISEC },
708 { "msec", NANOSEC / MILLISEC },
709 { "s", NANOSEC / SEC },
710 { "sec", NANOSEC / SEC },
711 { "m", NANOSEC * (hrtime_t)60 },
712 { "min", NANOSEC * (hrtime_t)60 },
713 { "h", NANOSEC * (hrtime_t)60 * (hrtime_t)60 },
714 { "hour", NANOSEC * (hrtime_t)60 * (hrtime_t)60 },
715 { "d", NANOSEC * (hrtime_t)(24 * 60 * 60) },
716 { "day", NANOSEC * (hrtime_t)(24 * 60 * 60) },
723 val = strtoull(arg, &end, 0);
725 for (i = 0; suffix[i].name != NULL; i++) {
726 if (strcasecmp(suffix[i].name, end) == 0) {
732 if (suffix[i].name == NULL && *end != '\0' || val < 0)
733 return (dt_set_errno(dtp, EDT_BADOPTVAL));
737 * The rate has been specified in frequency-per-second.
746 dtp->dt_options[option] = val;
751 * When setting the strsize option, set the option in the dt_options array
752 * using dt_opt_size() as usual, and then update the definition of the CTF
753 * type for the D intrinsic "string" to be an array of the corresponding size.
754 * If any errors occur, reset dt_options[option] to its previous value.
757 dt_opt_strsize(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
759 dtrace_optval_t val = dtp->dt_options[option];
760 ctf_file_t *fp = DT_STR_CTFP(dtp);
761 ctf_id_t type = ctf_type_resolve(fp, DT_STR_TYPE(dtp));
764 if (dt_opt_size(dtp, arg, option) != 0)
765 return (-1); /* dt_errno is set for us */
767 if (dtp->dt_options[option] > UINT_MAX) {
768 dtp->dt_options[option] = val;
769 return (dt_set_errno(dtp, EOVERFLOW));
772 if (ctf_array_info(fp, type, &r) == CTF_ERR) {
773 dtp->dt_options[option] = val;
774 dtp->dt_ctferr = ctf_errno(fp);
775 return (dt_set_errno(dtp, EDT_CTF));
778 r.ctr_nelems = (uint_t)dtp->dt_options[option];
780 if (ctf_set_array(fp, type, &r) == CTF_ERR ||
781 ctf_update(fp) == CTF_ERR) {
782 dtp->dt_options[option] = val;
783 dtp->dt_ctferr = ctf_errno(fp);
784 return (dt_set_errno(dtp, EDT_CTF));
790 static const struct {
791 const char *dtbp_name;
793 } _dtrace_bufpolicies[] = {
794 { "ring", DTRACEOPT_BUFPOLICY_RING },
795 { "fill", DTRACEOPT_BUFPOLICY_FILL },
796 { "switch", DTRACEOPT_BUFPOLICY_SWITCH },
802 dt_opt_bufpolicy(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
804 dtrace_optval_t policy = DTRACEOPT_UNSET;
808 return (dt_set_errno(dtp, EDT_BADOPTVAL));
810 for (i = 0; _dtrace_bufpolicies[i].dtbp_name != NULL; i++) {
811 if (strcmp(_dtrace_bufpolicies[i].dtbp_name, arg) == 0) {
812 policy = _dtrace_bufpolicies[i].dtbp_policy;
817 if (policy == DTRACEOPT_UNSET)
818 return (dt_set_errno(dtp, EDT_BADOPTVAL));
820 dtp->dt_options[DTRACEOPT_BUFPOLICY] = policy;
825 static const struct {
826 const char *dtbr_name;
828 } _dtrace_bufresize[] = {
829 { "auto", DTRACEOPT_BUFRESIZE_AUTO },
830 { "manual", DTRACEOPT_BUFRESIZE_MANUAL },
836 dt_opt_bufresize(dtrace_hdl_t *dtp, const char *arg, uintptr_t option)
838 dtrace_optval_t policy = DTRACEOPT_UNSET;
842 return (dt_set_errno(dtp, EDT_BADOPTVAL));
844 for (i = 0; _dtrace_bufresize[i].dtbr_name != NULL; i++) {
845 if (strcmp(_dtrace_bufresize[i].dtbr_name, arg) == 0) {
846 policy = _dtrace_bufresize[i].dtbr_policy;
851 if (policy == DTRACEOPT_UNSET)
852 return (dt_set_errno(dtp, EDT_BADOPTVAL));
854 dtp->dt_options[DTRACEOPT_BUFRESIZE] = policy;
860 dt_options_load(dtrace_hdl_t *dtp)
868 * To load the option values, we need to ask the kernel to provide its
869 * DOF, which we'll sift through to look for OPTDESC sections.
871 bzero(&hdr, sizeof (dof_hdr_t));
872 hdr.dofh_loadsz = sizeof (dof_hdr_t);
875 if (dt_ioctl(dtp, DTRACEIOC_DOFGET, &hdr) == -1)
878 if (dt_ioctl(dtp, DTRACEIOC_DOFGET, &dof) == -1)
880 return (dt_set_errno(dtp, errno));
882 if (hdr.dofh_loadsz < sizeof (dof_hdr_t))
883 return (dt_set_errno(dtp, EINVAL));
885 dof = alloca(hdr.dofh_loadsz);
886 bzero(dof, sizeof (dof_hdr_t));
887 dof->dofh_loadsz = hdr.dofh_loadsz;
889 for (i = 0; i < DTRACEOPT_MAX; i++)
890 dtp->dt_options[i] = DTRACEOPT_UNSET;
893 if (dt_ioctl(dtp, DTRACEIOC_DOFGET, dof) == -1)
895 if (dt_ioctl(dtp, DTRACEIOC_DOFGET, &dof) == -1)
897 return (dt_set_errno(dtp, errno));
899 for (i = 0; i < dof->dofh_secnum; i++) {
900 sec = (dof_sec_t *)(uintptr_t)((uintptr_t)dof +
901 dof->dofh_secoff + i * dof->dofh_secsize);
903 if (sec->dofs_type != DOF_SECT_OPTDESC)
909 for (offs = 0; offs < sec->dofs_size; offs += sec->dofs_entsize) {
910 dof_optdesc_t *opt = (dof_optdesc_t *)(uintptr_t)
911 ((uintptr_t)dof + sec->dofs_offset + offs);
913 if (opt->dofo_strtab != DOF_SECIDX_NONE)
916 if (opt->dofo_option >= DTRACEOPT_MAX)
919 dtp->dt_options[opt->dofo_option] = opt->dofo_value;
925 typedef struct dt_option {
927 int (*o_func)(dtrace_hdl_t *, const char *, uintptr_t);
932 * Compile-time options.
934 static const dt_option_t _dtrace_ctoptions[] = {
935 { "aggpercpu", dt_opt_agg, DTRACE_A_PERCPU },
936 { "amin", dt_opt_amin },
937 { "argref", dt_opt_cflags, DTRACE_C_ARGREF },
938 { "core", dt_opt_core },
939 { "cpp", dt_opt_cflags, DTRACE_C_CPP },
940 { "cpphdrs", dt_opt_cpp_hdrs },
941 { "cpppath", dt_opt_cpp_path },
942 { "ctypes", dt_opt_ctypes },
943 { "defaultargs", dt_opt_cflags, DTRACE_C_DEFARG },
944 { "dtypes", dt_opt_dtypes },
945 { "debug", dt_opt_debug },
946 { "define", dt_opt_cpp_opts, (uintptr_t)"-D" },
947 { "droptags", dt_opt_droptags },
948 { "empty", dt_opt_cflags, DTRACE_C_EMPTY },
949 { "encoding", dt_opt_encoding },
950 { "errtags", dt_opt_cflags, DTRACE_C_ETAGS },
951 { "evaltime", dt_opt_evaltime },
952 { "incdir", dt_opt_cpp_opts, (uintptr_t)"-I" },
953 { "iregs", dt_opt_iregs },
954 { "kdefs", dt_opt_invcflags, DTRACE_C_KNODEF },
955 { "knodefs", dt_opt_cflags, DTRACE_C_KNODEF },
956 { "late", dt_opt_xlate },
957 { "lazyload", dt_opt_lazyload },
958 { "ldpath", dt_opt_ld_path },
959 { "libdir", dt_opt_libdir },
960 { "linkmode", dt_opt_linkmode },
961 { "linktype", dt_opt_linktype },
962 { "nolibs", dt_opt_cflags, DTRACE_C_NOLIBS },
963 { "pgmax", dt_opt_pgmax },
964 { "pspec", dt_opt_cflags, DTRACE_C_PSPEC },
965 { "setenv", dt_opt_setenv, 1 },
966 { "stdc", dt_opt_stdc },
967 { "strip", dt_opt_dflags, DTRACE_D_STRIP },
968 { "syslibdir", dt_opt_syslibdir },
969 { "tree", dt_opt_tree },
970 { "tregs", dt_opt_tregs },
971 { "udefs", dt_opt_invcflags, DTRACE_C_UNODEF },
972 { "undef", dt_opt_cpp_opts, (uintptr_t)"-U" },
973 { "unodefs", dt_opt_cflags, DTRACE_C_UNODEF },
974 { "unsetenv", dt_opt_setenv, 0 },
975 { "verbose", dt_opt_cflags, DTRACE_C_DIFV },
976 { "version", dt_opt_version },
977 { "zdefs", dt_opt_cflags, DTRACE_C_ZDEFS },
984 static const dt_option_t _dtrace_rtoptions[] = {
985 { "aggsize", dt_opt_size, DTRACEOPT_AGGSIZE },
986 { "bufsize", dt_opt_size, DTRACEOPT_BUFSIZE },
987 { "bufpolicy", dt_opt_bufpolicy, DTRACEOPT_BUFPOLICY },
988 { "bufresize", dt_opt_bufresize, DTRACEOPT_BUFRESIZE },
989 { "cleanrate", dt_opt_rate, DTRACEOPT_CLEANRATE },
990 { "cpu", dt_opt_runtime, DTRACEOPT_CPU },
991 { "destructive", dt_opt_runtime, DTRACEOPT_DESTRUCTIVE },
992 { "dynvarsize", dt_opt_size, DTRACEOPT_DYNVARSIZE },
993 { "grabanon", dt_opt_runtime, DTRACEOPT_GRABANON },
994 { "jstackframes", dt_opt_runtime, DTRACEOPT_JSTACKFRAMES },
995 { "jstackstrsize", dt_opt_size, DTRACEOPT_JSTACKSTRSIZE },
996 { "nspec", dt_opt_runtime, DTRACEOPT_NSPEC },
997 { "specsize", dt_opt_size, DTRACEOPT_SPECSIZE },
998 { "stackframes", dt_opt_runtime, DTRACEOPT_STACKFRAMES },
999 { "statusrate", dt_opt_rate, DTRACEOPT_STATUSRATE },
1000 { "strsize", dt_opt_strsize, DTRACEOPT_STRSIZE },
1001 { "ustackframes", dt_opt_runtime, DTRACEOPT_USTACKFRAMES },
1002 { "temporal", dt_opt_runtime, DTRACEOPT_TEMPORAL },
1007 * Dynamic run-time options.
1009 static const dt_option_t _dtrace_drtoptions[] = {
1010 { "agghist", dt_opt_runtime, DTRACEOPT_AGGHIST },
1011 { "aggpack", dt_opt_runtime, DTRACEOPT_AGGPACK },
1012 { "aggrate", dt_opt_rate, DTRACEOPT_AGGRATE },
1013 { "aggsortkey", dt_opt_runtime, DTRACEOPT_AGGSORTKEY },
1014 { "aggsortkeypos", dt_opt_runtime, DTRACEOPT_AGGSORTKEYPOS },
1015 { "aggsortpos", dt_opt_runtime, DTRACEOPT_AGGSORTPOS },
1016 { "aggsortrev", dt_opt_runtime, DTRACEOPT_AGGSORTREV },
1017 { "aggzoom", dt_opt_runtime, DTRACEOPT_AGGZOOM },
1018 { "flowindent", dt_opt_runtime, DTRACEOPT_FLOWINDENT },
1019 { "quiet", dt_opt_runtime, DTRACEOPT_QUIET },
1020 { "rawbytes", dt_opt_runtime, DTRACEOPT_RAWBYTES },
1021 { "stackindent", dt_opt_runtime, DTRACEOPT_STACKINDENT },
1022 { "switchrate", dt_opt_rate, DTRACEOPT_SWITCHRATE },
1027 dtrace_getopt(dtrace_hdl_t *dtp, const char *opt, dtrace_optval_t *val)
1029 const dt_option_t *op;
1032 return (dt_set_errno(dtp, EINVAL));
1035 * We only need to search the run-time options -- it's not legal
1036 * to get the values of compile-time options.
1038 for (op = _dtrace_rtoptions; op->o_name != NULL; op++) {
1039 if (strcmp(op->o_name, opt) == 0) {
1040 *val = dtp->dt_options[op->o_option];
1045 for (op = _dtrace_drtoptions; op->o_name != NULL; op++) {
1046 if (strcmp(op->o_name, opt) == 0) {
1047 *val = dtp->dt_options[op->o_option];
1052 return (dt_set_errno(dtp, EDT_BADOPTNAME));
1056 dtrace_setopt(dtrace_hdl_t *dtp, const char *opt, const char *val)
1058 const dt_option_t *op;
1061 return (dt_set_errno(dtp, EINVAL));
1063 for (op = _dtrace_ctoptions; op->o_name != NULL; op++) {
1064 if (strcmp(op->o_name, opt) == 0)
1065 return (op->o_func(dtp, val, op->o_option));
1068 for (op = _dtrace_drtoptions; op->o_name != NULL; op++) {
1069 if (strcmp(op->o_name, opt) == 0)
1070 return (op->o_func(dtp, val, op->o_option));
1073 for (op = _dtrace_rtoptions; op->o_name != NULL; op++) {
1074 if (strcmp(op->o_name, opt) == 0) {
1076 * Only dynamic run-time options may be set while
1077 * tracing is active.
1080 return (dt_set_errno(dtp, EDT_ACTIVE));
1082 return (op->o_func(dtp, val, op->o_option));
1086 return (dt_set_errno(dtp, EDT_BADOPTNAME));