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 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 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 22 /* 23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #pragma init(init) 27 28 #include <s10_brand.h> 29 #include <stdlib.h> 30 #include <sys/syscall.h> 31 32 /* 33 * This is a library that is LD_PRELOADed into native processes. 34 * Its primary function is to perform one brand operation, B_S10_NATIVE, 35 * which checks that this is actually a native process. If it is, then 36 * the operation changes the executable name so that it is no longer 37 * ld.so.1. Instead it changes it to be the name of the real native 38 * executable that we're runnning. This allows things like pgrep to work 39 * as expected. Note that this brand operation only changes the process 40 * name wrt the kernel. From the process' perspective, the first 41 * argument and AT_SUN_EXECNAME are still ld.so.1. 42 */ 43 void 44 init(void) 45 { 46 sysret_t rval; 47 48 (void) __systemcall(&rval, SYS_brand, B_S10_NATIVE); 49 } 50