systrace.c (264435) | systrace.c (289769) |
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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 2006-2008 John Birrell jb@freebsd.org 22 * | 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 2006-2008 John Birrell jb@freebsd.org 22 * |
23 * $FreeBSD: head/sys/cddl/dev/systrace/systrace.c 264435 2014-04-14 00:23:18Z markj $ | 23 * $FreeBSD: head/sys/cddl/dev/systrace/systrace.c 289769 2015-10-22 21:28:20Z jhb $ |
24 * 25 */ 26 27/* 28 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 29 * Use is subject to license terms. 30 */ 31 --- 23 unchanged lines hidden (view full) --- 55#include <sys/uio.h> 56#include <sys/unistd.h> 57#include <machine/stdarg.h> 58 59#include <sys/dtrace.h> 60 61#ifdef LINUX_SYSTRACE 62#if defined(__amd64__) | 24 * 25 */ 26 27/* 28 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 29 * Use is subject to license terms. 30 */ 31 --- 23 unchanged lines hidden (view full) --- 55#include <sys/uio.h> 56#include <sys/unistd.h> 57#include <machine/stdarg.h> 58 59#include <sys/dtrace.h> 60 61#ifdef LINUX_SYSTRACE 62#if defined(__amd64__) |
63#include <amd64/linux32/linux.h> 64#include <amd64/linux32/linux32_proto.h> 65#include <amd64/linux32/linux32_syscalls.c> 66#include <amd64/linux32/linux32_systrace_args.c> 67#define MODNAME "linux32" | 63#include 64#include <amd64/linux/linux_proto.h> 65#include <amd64/linux/linux_syscalls.c> 66#include <amd64/linux/linux_systrace_args.c> |
68#elif defined(__i386__) 69#include <i386/linux/linux.h> 70#include <i386/linux/linux_proto.h> 71#include <i386/linux/linux_syscalls.c> 72#include <i386/linux/linux_systrace_args.c> | 67#elif defined(__i386__) 68#include <i386/linux/linux.h> 69#include <i386/linux/linux_proto.h> 70#include <i386/linux/linux_syscalls.c> 71#include <i386/linux/linux_systrace_args.c> |
73#define MODNAME "linux" | |
74#else 75#error Only i386 and amd64 are supported. 76#endif | 72#else 73#error Only i386 and amd64 are supported. 74#endif |
75#define MODNAME "linux" |
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77extern struct sysent linux_sysent[]; 78#define MAXSYSCALL LINUX_SYS_MAXSYSCALL 79#define SYSCALLNAMES linux_syscallnames 80#define SYSENT linux_sysent | 76extern struct sysent linux_sysent[]; 77#define MAXSYSCALL LINUX_SYS_MAXSYSCALL 78#define SYSCALLNAMES linux_syscallnames 79#define SYSENT linux_sysent |
80#elif defined(LINUX32_SYSTRACE) 81#if defined(__amd64__) 82#include <amd64/linux32/linux.h> 83#include <amd64/linux32/linux32_proto.h> 84#include <amd64/linux32/linux32_syscalls.c> 85#include <amd64/linux32/linux32_systrace_args.c> 86#else 87#error Only amd64 is supported. 88#endif 89#define MODNAME "linux32" 90extern struct sysent linux32_sysent[]; 91#define MAXSYSCALL LINUX32_SYS_MAXSYSCALL 92#define SYSCALLNAMES linux32_syscallnames 93#define SYSENT linux32_sysent |
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81#elif defined(FREEBSD32_SYSTRACE) 82/* 83 * The syscall arguments are processed into a DTrace argument array 84 * using a generated function. See sys/kern/makesyscalls.sh. 85 */ 86#include <compat/freebsd32/freebsd32_proto.h> 87#include <compat/freebsd32/freebsd32_util.h> 88#include <compat/freebsd32/freebsd32_syscall.h> --- 9 unchanged lines hidden (view full) --- 98 * using a generated function. See sys/kern/makesyscalls.sh. 99 */ 100#include <sys/syscall.h> 101#include <kern/systrace_args.c> 102#define MODNAME "freebsd" 103#define MAXSYSCALL SYS_MAXSYSCALL 104#define SYSCALLNAMES syscallnames 105#define SYSENT sysent | 94#elif defined(FREEBSD32_SYSTRACE) 95/* 96 * The syscall arguments are processed into a DTrace argument array 97 * using a generated function. See sys/kern/makesyscalls.sh. 98 */ 99#include <compat/freebsd32/freebsd32_proto.h> 100#include <compat/freebsd32/freebsd32_util.h> 101#include <compat/freebsd32/freebsd32_syscall.h> --- 9 unchanged lines hidden (view full) --- 111 * using a generated function. See sys/kern/makesyscalls.sh. 112 */ 113#include <sys/syscall.h> 114#include <kern/systrace_args.c> 115#define MODNAME "freebsd" 116#define MAXSYSCALL SYS_MAXSYSCALL 117#define SYSCALLNAMES syscallnames 118#define SYSENT sysent |
119#define NATIVE_ABI |
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106#endif 107 108#define PROVNAME "syscall" 109#define DEVNAME "dtrace/systrace/" MODNAME 110 111#define SYSTRACE_ARTIFICIAL_FRAMES 1 112 113#define SYSTRACE_SHIFT 16 --- 13 unchanged lines hidden (view full) --- 127static void systrace_destroy(void *, dtrace_id_t, void *); 128static void systrace_enable(void *, dtrace_id_t, void *); 129static void systrace_disable(void *, dtrace_id_t, void *); 130static void systrace_load(void *); 131 132static struct cdevsw systrace_cdevsw = { 133 .d_version = D_VERSION, 134 .d_open = systrace_open, | 120#endif 121 122#define PROVNAME "syscall" 123#define DEVNAME "dtrace/systrace/" MODNAME 124 125#define SYSTRACE_ARTIFICIAL_FRAMES 1 126 127#define SYSTRACE_SHIFT 16 --- 13 unchanged lines hidden (view full) --- 141static void systrace_destroy(void *, dtrace_id_t, void *); 142static void systrace_enable(void *, dtrace_id_t, void *); 143static void systrace_disable(void *, dtrace_id_t, void *); 144static void systrace_load(void *); 145 146static struct cdevsw systrace_cdevsw = { 147 .d_version = D_VERSION, 148 .d_open = systrace_open, |
135#ifdef LINUX_SYSTRACE | 149#ifndef NATIVE_ABI |
136 .d_name = "systrace_" MODNAME, 137#else 138 .d_name = "systrace", 139#endif 140}; 141 142static union { 143 const char **p_constnames; --- 22 unchanged lines hidden (view full) --- 166}; 167 168static struct cdev *systrace_cdev; 169static dtrace_provider_id_t systrace_id; 170 171typedef void (*systrace_dtrace_probe_t)(dtrace_id_t, uintptr_t, uintptr_t, 172 uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); 173 | 150 .d_name = "systrace_" MODNAME, 151#else 152 .d_name = "systrace", 153#endif 154}; 155 156static union { 157 const char **p_constnames; --- 22 unchanged lines hidden (view full) --- 180}; 181 182static struct cdev *systrace_cdev; 183static dtrace_provider_id_t systrace_id; 184 185typedef void (*systrace_dtrace_probe_t)(dtrace_id_t, uintptr_t, uintptr_t, 186 uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); 187 |
174#if !defined(LINUX_SYSTRACE) | 188#ifdef NATIVE_ABI |
175/* 176 * Probe callback function. 177 * 178 * Note: This function is called for _all_ syscalls, regardless of which sysent 179 * array the syscall comes from. It could be a standard syscall or a 180 * compat syscall from something like Linux. 181 */ 182static void --- 126 unchanged lines hidden (view full) --- 309 /* Create the /dev/dtrace/systrace entry. */ 310 systrace_cdev = make_dev(&systrace_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, 311 DEVNAME); 312 313 if (dtrace_register(PROVNAME, &systrace_attr, DTRACE_PRIV_USER, 314 NULL, &systrace_pops, NULL, &systrace_id) != 0) 315 return; 316 | 189/* 190 * Probe callback function. 191 * 192 * Note: This function is called for _all_ syscalls, regardless of which sysent 193 * array the syscall comes from. It could be a standard syscall or a 194 * compat syscall from something like Linux. 195 */ 196static void --- 126 unchanged lines hidden (view full) --- 323 /* Create the /dev/dtrace/systrace entry. */ 324 systrace_cdev = make_dev(&systrace_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, 325 DEVNAME); 326 327 if (dtrace_register(PROVNAME, &systrace_attr, DTRACE_PRIV_USER, 328 NULL, &systrace_pops, NULL, &systrace_id) != 0) 329 return; 330 |
317#if !defined(LINUX_SYSTRACE) | 331#ifdef NATIVE_ABI |
318 systrace_probe_func = systrace_probe; 319#endif 320} 321 322 323static int 324systrace_unload() 325{ 326 int error = 0; 327 328 if ((error = dtrace_unregister(systrace_id)) != 0) 329 return (error); 330 | 332 systrace_probe_func = systrace_probe; 333#endif 334} 335 336 337static int 338systrace_unload() 339{ 340 int error = 0; 341 342 if ((error = dtrace_unregister(systrace_id)) != 0) 343 return (error); 344 |
331#if !defined(LINUX_SYSTRACE) | 345#ifdef NATIVE_ABI |
332 systrace_probe_func = NULL; 333#endif 334 335 destroy_dev(systrace_cdev); 336 337 return (error); 338} 339 --- 25 unchanged lines hidden (view full) --- 365{ 366 return (0); 367} 368 369SYSINIT(systrace_load, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, systrace_load, NULL); 370SYSUNINIT(systrace_unload, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, systrace_unload, NULL); 371 372#ifdef LINUX_SYSTRACE | 346 systrace_probe_func = NULL; 347#endif 348 349 destroy_dev(systrace_cdev); 350 351 return (error); 352} 353 --- 25 unchanged lines hidden (view full) --- 379{ 380 return (0); 381} 382 383SYSINIT(systrace_load, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, systrace_load, NULL); 384SYSUNINIT(systrace_unload, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, systrace_unload, NULL); 385 386#ifdef LINUX_SYSTRACE |
387DEV_MODULE(systrace_linux, systrace_modevent, NULL); 388MODULE_VERSION(systrace_linux, 1); 389#ifdef __amd64__ 390MODULE_DEPEND(systrace_linux, linux64, 1, 1, 1); 391#else 392MODULE_DEPEND(systrace_linux, linux, 1, 1, 1); 393#endif 394MODULE_DEPEND(systrace_linux, dtrace, 1, 1, 1); 395MODULE_DEPEND(systrace_linux, opensolaris, 1, 1, 1); 396#elif defined(LINUX32_SYSTRACE) |
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373DEV_MODULE(systrace_linux32, systrace_modevent, NULL); 374MODULE_VERSION(systrace_linux32, 1); 375MODULE_DEPEND(systrace_linux32, linux, 1, 1, 1); 376MODULE_DEPEND(systrace_linux32, dtrace, 1, 1, 1); 377MODULE_DEPEND(systrace_linux32, opensolaris, 1, 1, 1); 378#elif defined(FREEBSD32_SYSTRACE) 379DEV_MODULE(systrace_freebsd32, systrace_modevent, NULL); 380MODULE_VERSION(systrace_freebsd32, 1); 381MODULE_DEPEND(systrace_freebsd32, dtrace, 1, 1, 1); 382MODULE_DEPEND(systrace_freebsd32, opensolaris, 1, 1, 1); 383#else 384DEV_MODULE(systrace, systrace_modevent, NULL); 385MODULE_VERSION(systrace, 1); 386MODULE_DEPEND(systrace, dtrace, 1, 1, 1); 387MODULE_DEPEND(systrace, opensolaris, 1, 1, 1); 388#endif | 397DEV_MODULE(systrace_linux32, systrace_modevent, NULL); 398MODULE_VERSION(systrace_linux32, 1); 399MODULE_DEPEND(systrace_linux32, linux, 1, 1, 1); 400MODULE_DEPEND(systrace_linux32, dtrace, 1, 1, 1); 401MODULE_DEPEND(systrace_linux32, opensolaris, 1, 1, 1); 402#elif defined(FREEBSD32_SYSTRACE) 403DEV_MODULE(systrace_freebsd32, systrace_modevent, NULL); 404MODULE_VERSION(systrace_freebsd32, 1); 405MODULE_DEPEND(systrace_freebsd32, dtrace, 1, 1, 1); 406MODULE_DEPEND(systrace_freebsd32, opensolaris, 1, 1, 1); 407#else 408DEV_MODULE(systrace, systrace_modevent, NULL); 409MODULE_VERSION(systrace, 1); 410MODULE_DEPEND(systrace, dtrace, 1, 1, 1); 411MODULE_DEPEND(systrace, opensolaris, 1, 1, 1); 412#endif |