78 	p = s + strlen(s) - 1;  in dtrace_xstr2desc()
82 			p--; /* move backward until we find a delimiter */  in dtrace_xstr2desc()
98 			vlen = (size_t)(q + len - v);  in dtrace_xstr2desc()
99 			len = (size_t)(v - q);  in dtrace_xstr2desc()
107 				vlen--;  in dtrace_xstr2desc()
117 				wlen = vlen - (w - v);  in dtrace_xstr2desc()
125 				if (yypcb != NULL && yypcb->pcb_sargv == argv)  in dtrace_xstr2desc()
126 					yypcb->pcb_sflagv[i] |= DT_IDFLG_REF;  in dtrace_xstr2desc()
132 				(void) strncpy(vstr, v + 1, vlen - 1);  in dtrace_xstr2desc()
133 				vstr[vlen - 1] = '\0';  in dtrace_xstr2desc()
134 				idp = dt_idhash_lookup(dtp->dt_macros, vstr);  in dtrace_xstr2desc()
140 				vlen = snprintf(buf, 32, "%d", idp->di_id);  in dtrace_xstr2desc()
152 		off = dtrace_probespecs[spec--].dtps_offset;  in dtrace_xstr2desc()
156 	} while (--p >= s);  in dtrace_xstr2desc()
158 	pdp->dtpd_id = DTRACE_IDNONE;  in dtrace_xstr2desc()
173 	pdp->dtpd_id = id;  in dtrace_id2desc()
175 	if (dt_ioctl(dtp, DTRACEIOC_PROBES, pdp) == -1 ||  in dtrace_id2desc()
176 	    pdp->dtpd_id != id)  in dtrace_id2desc()
185 	if (pdp->dtpd_id == 0) {  in dtrace_desc2str()
186 		(void) snprintf(buf, len, "%s:%s:%s:%s", pdp->dtpd_provider,  in dtrace_desc2str()
187 		    pdp->dtpd_mod, pdp->dtpd_func, pdp->dtpd_name);  in dtrace_desc2str()
189 		(void) snprintf(buf, len, "%u", pdp->dtpd_id);  in dtrace_desc2str()
233 		return (-1); /* invalid function arguments */  in dtrace_str2attr()
244 			attr->dtat_name = s;  in dtrace_str2attr()
250 		return (-1);  in dtrace_str2attr()
257 			attr->dtat_data = s;  in dtrace_str2attr()
263 		return (-1);  in dtrace_str2attr()
270 			attr->dtat_class = c;  in dtrace_str2attr()
276 		return (-1);  in dtrace_str2attr()
343  * a1's to obtain a negative result if an a1 attribute is less than its a2
345  * twos-complement property that if any result is negative, the bitwise union
346  * will also be negative since the highest bit will be set in the result.
351 	return (((int)a1.dtat_name - a2.dtat_name) |  in dt_attr_cmp()
352 	    ((int)a1.dtat_data - a2.dtat_data) |  in dt_attr_cmp()
353 	    ((int)a1.dtat_class - a2.dtat_class));  in dt_attr_cmp()
397 			n[i] = n[i] * 10 + c - '0';  in dt_version_str2num()
398 		else if (c != '.' || i++ >= sizeof (n) / sizeof (n[0]) - 1)  in dt_version_str2num()
399 			return (-1);  in dt_version_str2num()
405 		return (-1);  in dt_version_str2num()
431 	if (dtp->dt_cpp_argc == dtp->dt_cpp_args) {  in dt_cpp_add_arg()
432 		int olds = dtp->dt_cpp_args;  in dt_cpp_add_arg()
434 		char **argv = realloc(dtp->dt_cpp_argv, sizeof (char *) * news);  in dt_cpp_add_arg()
440 		dtp->dt_cpp_argv = argv;  in dt_cpp_add_arg()
441 		dtp->dt_cpp_args = news;  in dt_cpp_add_arg()
447 	assert(dtp->dt_cpp_argc < dtp->dt_cpp_args);  in dt_cpp_add_arg()
448 	dtp->dt_cpp_argv[dtp->dt_cpp_argc++] = arg;  in dt_cpp_add_arg()
457 	if (dtp->dt_cpp_argc <= 1)  in dt_cpp_pop_arg()
460 	arg = dtp->dt_cpp_argv[--dtp->dt_cpp_argc];  in dt_cpp_pop_arg()
461 	dtp->dt_cpp_argv[dtp->dt_cpp_argc] = NULL;  in dt_cpp_pop_arg()
487 	const dtrace_vector_t *v = dtp->dt_vector;  in dt_ioctl()
495 		return (v->dtv_ioctl(dtp->dt_varg, val, arg));  in dt_ioctl()
497 	if (dtp->dt_fd >= 0)  in dt_ioctl()
498 		return (ioctl(dtp->dt_fd, val, arg));  in dt_ioctl()
501 	return (-1);  in dt_ioctl()
507 	const dtrace_vector_t *v = dtp->dt_vector;  in dt_status()
516 			return (cpu == 0 ? 1 : -1);  in dt_status()
518 			return (cpu <= maxid ? 1 : -1);  in dt_status()
522 	return (v->dtv_status(dtp->dt_varg, cpu));  in dt_status()
528 	const dtrace_vector_t *v = dtp->dt_vector;  in dt_sysconf()
533 	return (v->dtv_sysconf(dtp->dt_varg, name));  in dt_sysconf()
552 		resid -= len;  in dt_write()
559 	return (n - resid);  in dt_write()
565  * dt_sprintf_buflen will be non-zero; in this case, we sprintf into the
566  * specified buffer and return.  Otherwise, if output is buffered (denoted by
567  * a NULL fp), we sprintf the desired output into the buffered buffer
590 	 * On FreeBSD, check if output is currently being re-directed  in dt_printf()
594 	if (dtp->dt_freopen_fp != NULL)  in dt_printf()
595 		fp = dtp->dt_freopen_fp;  in dt_printf()
600 	if (dtp->dt_sprintf_buflen != 0) {  in dt_printf()
604 		assert(dtp->dt_sprintf_buf != NULL);  in dt_printf()
606 		buf = &dtp->dt_sprintf_buf[len = strlen(dtp->dt_sprintf_buf)];  in dt_printf()
607 		len = dtp->dt_sprintf_buflen - len;  in dt_printf()
625 		 * Using buffered output is not allowed if a handler has  in dt_printf()
628 		if (dtp->dt_bufhdlr == NULL) {  in dt_printf()
633 		if (dtp->dt_buffered_buf == NULL) {  in dt_printf()
634 			assert(dtp->dt_buffered_size == 0);  in dt_printf()
635 			dtp->dt_buffered_size = 1;  in dt_printf()
636 			dtp->dt_buffered_buf = malloc(dtp->dt_buffered_size);  in dt_printf()
638 			if (dtp->dt_buffered_buf == NULL) {  in dt_printf()
643 			dtp->dt_buffered_offs = 0;  in dt_printf()
644 			dtp->dt_buffered_buf[0] = '\0';  in dt_printf()
664 			assert(dtp->dt_buffered_offs < dtp->dt_buffered_size);  in dt_printf()
665 			avail = dtp->dt_buffered_size - dtp->dt_buffered_offs;  in dt_printf()
670 			if ((newbuf = realloc(dtp->dt_buffered_buf,  in dt_printf()
671 			    dtp->dt_buffered_size << 1)) == NULL) {  in dt_printf()
676 			dtp->dt_buffered_buf = newbuf;  in dt_printf()
677 			dtp->dt_buffered_size <<= 1;  in dt_printf()
681 		if (vsnprintf(&dtp->dt_buffered_buf[dtp->dt_buffered_offs],  in dt_printf()
690 		dtp->dt_buffered_offs += needed;  in dt_printf()
691 		assert(dtp->dt_buffered_buf[dtp->dt_buffered_offs] == '\0');  in dt_printf()
715 	if (dtp->dt_buffered_offs == 0)  in dt_buffered_flush()
719 	data.dtbda_buffered = dtp->dt_buffered_buf;  in dt_buffered_flush()
725 	if ((*dtp->dt_bufhdlr)(&data, dtp->dt_bufarg) == DTRACE_HANDLE_ABORT)  in dt_buffered_flush()
728 	dtp->dt_buffered_offs = 0;  in dt_buffered_flush()
729 	dtp->dt_buffered_buf[0] = '\0';  in dt_buffered_flush()
737 	free(dtp->dt_buffered_buf);  in dt_buffered_destroy()
738 	dtp->dt_buffered_buf = NULL;  in dt_buffered_destroy()
739 	dtp->dt_buffered_offs = 0;  in dt_buffered_destroy()
740 	dtp->dt_buffered_size = 0;  in dt_buffered_destroy()
780 	dt_free(dtp, dp->dtdo_buf);  in dt_difo_free()
781 	dt_free(dtp, dp->dtdo_inttab);  in dt_difo_free()
782 	dt_free(dtp, dp->dtdo_strtab);  in dt_difo_free()
783 	dt_free(dtp, dp->dtdo_vartab);  in dt_difo_free()
784 	dt_free(dtp, dp->dtdo_kreltab);  in dt_difo_free()
785 	dt_free(dtp, dp->dtdo_ureltab);  in dt_difo_free()
786 	dt_free(dtp, dp->dtdo_xlmtab);  in dt_difo_free()
814  * from "Hacker's Delight" by Henry Warren, Jr with a 64-bit equivalent added.
820 	x = x - ((x >> 1) & 0x55555555UL);  in dt_popc()
827 	x = x - ((x >> 1) & 0x5555555555555555ULL);  in dt_popc()
840  * dt_popcb() is a bitmap-based version of population count that returns the
856 	return (popc + dt_popc(bp[maxw] & ((1UL << maxb) - 1)));  in dt_popcb()
903 		(void) strncpy(str, s, nbytes - 1);  in dt_string2str()
906 		 * that the string is null-terminated.  in dt_string2str()
908 		str[nbytes - 1] = '\0';  in dt_string2str()
933 		    dts.dts_name, (u_longlong_t)addr - sym.st_value);  in dtrace_addr2str()
940 		 * GElf_Sym -- indicating that we're only interested in the  in dtrace_addr2str()
980 			    name, (u_longlong_t)(addr - sym.st_value));  in dtrace_uaddr2str()
1001 	dtp->dt_oformat = xo_get_style(NULL) == XO_STYLE_TEXT ?  in dtrace_oformat_configure()
1012 	return (dtp->dt_oformat != DTRACE_OFORMAT_TEXT);  in dtrace_oformat()