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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, by Sun Microsytems, Inc.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef _KERNEL
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ddi.h> /* strchr */
#include <sys/sunddi.h> /* strchr */
#include <sys/tnf_com.h>
#include <sys/tnf_writer.h>
#include <sys/tnf_probe.h> /* fixed tnf_probe_control_t->index problem */
#include "tnf_types.h"
#include "tnf_trace.h"
#else /* _KERNEL */
#include <stdlib.h>
#include <string.h>
#include <tnf/com.h>
#include <tnf/writer.h>
#include <tnf/probe.h>
#include "tnf_types.h"
#include <tnf_trace.h>
#endif /* _KERNEL */
/*
* Defines
*/
#define NAME_LIMIT 128
#define ARRAY_LIMIT 5
#define NAME_START 5
#define SLOT_OFFSET 7
#define CONST_SLOTS 2
/*
* probe version 1
*/
struct tnf_probe_version __tnf_probe_version_1_info = {
sizeof (struct tnf_probe_version),
sizeof (tnf_probe_control_t)
};
/*
* write instances of tnf_probe_type (i.e probe records)
*/
uintptr_t
tnf_probe_tag(tnf_ops_t *ops, tnf_probe_control_t *probe_p)
{
tnf_tag_data_t *metatag_data;
tnf_record_p metatag_index;
tnf_probe_prototype_t *buffer;
enum tnf_alloc_mode saved_mode;
tnf_uint32_t *fwp;
char probe_name[NAME_LIMIT];
char slot_array[ARRAY_LIMIT][NAME_LIMIT];
char *slot_args[ARRAY_LIMIT + CONST_SLOTS + 1];
const char *nm_start, *nm_end, *slot_start, *slot_end;
int nm_len, separator, count;
saved_mode = ops->mode;
ops->mode = TNF_ALLOC_FIXED;
#if defined(_LP64)
/* LINTED assignment of 32-bit integer to 8-bit integer */
ALLOC2(ops, sizeof (*buffer), buffer, saved_mode);
#else
ALLOC2(ops, sizeof (*buffer), buffer, saved_mode);
#endif
probe_p->index = (uintptr_t)buffer;
fwp = tnfw_b_fw_alloc(&(ops->wcb));
if (fwp) {
/* REMIND: can make the next call more efficient */
*fwp = tnf_ref32(ops, (tnf_record_p) buffer,
(tnf_record_p)fwp);
/* fwp - filestart < 64K */
#ifdef _KERNEL
probe_p->index = (char *)fwp - tnf_buf;
#else
probe_p->index = (char *)fwp - _tnfw_b_control->tnf_buffer;
#endif
probe_p->index |= TNF_TAG16_T_ABS;
probe_p->index = probe_p->index << PROBE_INDEX_SHIFT;
probe_p->index |= PROBE_INDEX_FILE_PTR;
}
metatag_data = TAG_DATA(tnf_probe_type);
metatag_index = metatag_data->tag_index ?
metatag_data->tag_index :
metatag_data->tag_desc(ops, metatag_data);
/* find the name of the probe */
nm_start = &(probe_p->attrs[NAME_START]);
separator = ATTR_SEPARATOR;
nm_end = strchr(probe_p->attrs, separator);
#if defined(_LP64)
/* LINTED assignment of 64-bit integer to 32-bit integer */
nm_len = nm_end - nm_start;
#else
nm_len = nm_end - nm_start;
#endif
slot_start = nm_end + SLOT_OFFSET;
nm_len = (nm_len > (NAME_LIMIT - 1)) ? (NAME_LIMIT - 1) : nm_len;
(void) strncpy(probe_name, nm_start, nm_len);
probe_name[nm_len] = '\0';
/* initialize constant part of slot names */
slot_args[0] = TNF_N_TAG;
slot_args[1] = TNF_N_TIME_DELTA;
/*
* initialize rest of slot names, if any. This parsing routine is
* dependant on a space after "slots" (even for TNF_PROBE_0 and a
* space after the last slot name. It truncates any values that
* are larger than 127 chars to 127 chars. It handles missing slot
* names.
*/
separator = ATTR_SEPARATOR;
slot_end = strchr(slot_start, separator);
nm_start = slot_start;
separator = VAL_SEPARATOR;
for (count = 0; nm_start < slot_end; count++) {
nm_end = strchr(nm_start, separator);
#if defined(_LP64)
/* LINTED assignment of 64-bit integer to 32-bit integer */
nm_len = nm_end - nm_start;
#else
nm_len = nm_end - nm_start;
#endif
nm_len = (nm_len > (NAME_LIMIT - 1)) ? (NAME_LIMIT - 1) :
nm_len;
(void) strncpy(slot_array[count], nm_start, nm_len);
slot_array[count][nm_len] = '\0';
slot_args[count+CONST_SLOTS] = slot_array[count];
/* get next name */
nm_start = nm_end + 1;
}
/* null terminate string vector */
slot_args[count+CONST_SLOTS] = NULL;
ASSIGN(buffer, tag, metatag_index);
ASSIGN(buffer, name, probe_name);
/* XXX Fix these properties sometime */
ASSIGN(buffer, properties, &tnf_struct_properties);
ASSIGN(buffer, slot_types, probe_p->slot_types);
#if defined(_LP64)
/* LINTED */
ASSIGN(buffer, type_size, probe_p->tnf_event_size);
#else
ASSIGN(buffer, type_size, probe_p->tnf_event_size);
#endif
ASSIGN(buffer, slot_names, slot_args);
ASSIGN(buffer, string, (slot_end + 1));
#if defined(_LP64)
/* supress lint warning for _KERNEL mode, really need this? */
/* LINTED assignment of 32-bit integer to 8-bit integer */
ops->mode = saved_mode;
#else
ops->mode = saved_mode;
#endif
return (probe_p->index);
}
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