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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
--- 6 unchanged lines hidden (view full) ---
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]
18 *
19 * CDDL HEADER END
20 *
21 * Portions Copyright 2010 The FreeBSD Foundation
22 *
23 * $FreeBSD: head/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c 268007 2014-06-28 19:59:12Z pfg $
24 */
25
26/*
27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#if defined(sun)
32#pragma ident "%Z%%M% %I% %E% SMI"
33#endif
34
35#include <sys/atomic.h>
36#include <sys/errno.h>
37#include <sys/stat.h>
38#include <sys/modctl.h>
39#include <sys/conf.h>
40#include <sys/systm.h>
41#if defined(sun)
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58#if defined(sun)
59#include <util/qsort.h>
60#endif
61#include <sys/mutex.h>
62#include <sys/kernel.h>
63#if !defined(sun)
64#include <sys/dtrace_bsd.h>
65#include <sys/eventhandler.h>
66#include <sys/user.h>
67#include <vm/vm.h>
68#include <vm/pmap.h>
69#include <vm/vm_map.h>
70#include <vm/vm_param.h>
71#include <cddl/dev/dtrace/dtrace_cddl.h>
72#endif
73
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2251 if (!dtrace_attached())
2252 return (EAGAIN);
2253
2254 if (cmd == FASTTRAPIOC_MAKEPROBE) {
2255 fasttrap_probe_spec_t *uprobe = *(fasttrap_probe_spec_t **)arg;
2256 fasttrap_probe_spec_t *probe;
2257 uint64_t noffs;
2258 size_t size;
2259 int ret;
2260 char *c;
2261
2262 if (copyin(&uprobe->ftps_noffs, &noffs,
2263 sizeof (uprobe->ftps_noffs)))
2264 return (EFAULT);
2265
2266 /*
2267 * Probes must have at least one tracepoint.
2268 */
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2281 kmem_free(probe, size);
2282 return (EFAULT);
2283 }
2284
2285 /*
2286 * Verify that the function and module strings contain no
2287 * funny characters.
2288 */
2289 for (c = &probe->ftps_func[0]; *c != '\0'; c++) {
2290 if (*c < 0x20 || 0x7f <= *c) {
2291 ret = EINVAL;
2292 goto err;
2293 }
2294 }
2295
2296 for (c = &probe->ftps_mod[0]; *c != '\0'; c++) {
2297 if (*c < 0x20 || 0x7f <= *c) {
2298 ret = EINVAL;
2299 goto err;
2300 }
2301 }
2302
2303#ifdef notyet
2304 if (!PRIV_POLICY_CHOICE(cr, PRIV_ALL, B_FALSE)) {
2305 proc_t *p;
2306 pid_t pid = probe->ftps_pid;
2307
2308#if defined(sun)
--- 417 unchanged lines hidden ---
2 * CDDL HEADER START
3 *
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.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
--- 6 unchanged lines hidden (view full) ---
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]
18 *
19 * CDDL HEADER END
20 *
21 * Portions Copyright 2010 The FreeBSD Foundation
22 *
23 * $FreeBSD: head/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c 268007 2014-06-28 19:59:12Z pfg $
24 */
25
26/*
27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#if defined(sun)
32#pragma ident "%Z%%M% %I% %E% SMI"
33#endif
34
35#include <sys/atomic.h>
36#include <sys/errno.h>
37#include <sys/stat.h>
38#include <sys/modctl.h>
39#include <sys/conf.h>
40#include <sys/systm.h>
41#if defined(sun)
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58#if defined(sun)
59#include <util/qsort.h>
60#endif
61#include <sys/mutex.h>
62#include <sys/kernel.h>
63#if !defined(sun)
64#include <sys/dtrace_bsd.h>
65#include <sys/eventhandler.h>
66#include <sys/user.h>
67#include <vm/vm.h>
68#include <vm/pmap.h>
69#include <vm/vm_map.h>
70#include <vm/vm_param.h>
71#include <cddl/dev/dtrace/dtrace_cddl.h>
72#endif
73
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2251 if (!dtrace_attached())
2252 return (EAGAIN);
2253
2254 if (cmd == FASTTRAPIOC_MAKEPROBE) {
2255 fasttrap_probe_spec_t *uprobe = *(fasttrap_probe_spec_t **)arg;
2256 fasttrap_probe_spec_t *probe;
2257 uint64_t noffs;
2258 size_t size;
2259 int ret;
2260 char *c;
2261
2262 if (copyin(&uprobe->ftps_noffs, &noffs,
2263 sizeof (uprobe->ftps_noffs)))
2264 return (EFAULT);
2265
2266 /*
2267 * Probes must have at least one tracepoint.
2268 */
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2281 kmem_free(probe, size);
2282 return (EFAULT);
2283 }
2284
2285 /*
2286 * Verify that the function and module strings contain no
2287 * funny characters.
2288 */
2289 for (c = &probe->ftps_func[0]; *c != '\0'; c++) {
2290 if (*c < 0x20 || 0x7f <= *c) {
2291 ret = EINVAL;
2292 goto err;
2293 }
2294 }
2295
2296 for (c = &probe->ftps_mod[0]; *c != '\0'; c++) {
2297 if (*c < 0x20 || 0x7f <= *c) {
2298 ret = EINVAL;
2299 goto err;
2300 }
2301 }
2302
2303#ifdef notyet
2304 if (!PRIV_POLICY_CHOICE(cr, PRIV_ALL, B_FALSE)) {
2305 proc_t *p;
2306 pid_t pid = probe->ftps_pid;
2307
2308#if defined(sun)
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