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 268097 2014-07-01 15:36:05Z pfg $
24 */
25
26/*
27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
33 */
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/u8_textprep.h>
67#include <sys/user.h>
68#include <vm/vm.h>
69#include <vm/pmap.h>
70#include <vm/vm_map.h>
71#include <vm/vm_param.h>
72#include <cddl/dev/dtrace/dtrace_cddl.h>
73#endif
74
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2252 if (!dtrace_attached())
2253 return (EAGAIN);
2254
2255 if (cmd == FASTTRAPIOC_MAKEPROBE) {
2256 fasttrap_probe_spec_t *uprobe = *(fasttrap_probe_spec_t **)arg;
2257 fasttrap_probe_spec_t *probe;
2258 uint64_t noffs;
2259 size_t size;
2260 int ret, err;
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 if (u8_validate(probe->ftps_func, strlen(probe->ftps_func),
2290 NULL, U8_VALIDATE_ENTIRE, &err) < 0) {
2291 ret = EINVAL;
2292 goto err;
2293 }
2294
2295 if (u8_validate(probe->ftps_mod, strlen(probe->ftps_mod),
2296 NULL, U8_VALIDATE_ENTIRE, &err) < 0) {
2297 ret = EINVAL;
2298 goto err;
2299 }
2300
2301#ifdef notyet
2302 if (!PRIV_POLICY_CHOICE(cr, PRIV_ALL, B_FALSE)) {
2303 proc_t *p;
2304 pid_t pid = probe->ftps_pid;
2305
2306#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 268097 2014-07-01 15:36:05Z pfg $
24 */
25
26/*
27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
33 */
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/u8_textprep.h>
67#include <sys/user.h>
68#include <vm/vm.h>
69#include <vm/pmap.h>
70#include <vm/vm_map.h>
71#include <vm/vm_param.h>
72#include <cddl/dev/dtrace/dtrace_cddl.h>
73#endif
74
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2252 if (!dtrace_attached())
2253 return (EAGAIN);
2254
2255 if (cmd == FASTTRAPIOC_MAKEPROBE) {
2256 fasttrap_probe_spec_t *uprobe = *(fasttrap_probe_spec_t **)arg;
2257 fasttrap_probe_spec_t *probe;
2258 uint64_t noffs;
2259 size_t size;
2260 int ret, err;
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 if (u8_validate(probe->ftps_func, strlen(probe->ftps_func),
2290 NULL, U8_VALIDATE_ENTIRE, &err) < 0) {
2291 ret = EINVAL;
2292 goto err;
2293 }
2294
2295 if (u8_validate(probe->ftps_mod, strlen(probe->ftps_mod),
2296 NULL, U8_VALIDATE_ENTIRE, &err) < 0) {
2297 ret = EINVAL;
2298 goto err;
2299 }
2300
2301#ifdef notyet
2302 if (!PRIV_POLICY_CHOICE(cr, PRIV_ALL, B_FALSE)) {
2303 proc_t *p;
2304 pid_t pid = probe->ftps_pid;
2305
2306#if defined(sun)
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