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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1998-2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/isa_defs.h> 30 #include <stdlib.h> 31 #include <unistd.h> 32 #include <string.h> 33 #include <errno.h> 34 #include <sys/types.h> 35 #include <sys/statvfs.h> 36 #include <sys/sysmacros.h> 37 #include "libproc.h" 38 39 #ifdef _LP64 40 static void 41 statvfs_32_to_n(statvfs32_t *src, statvfs_t *dest) 42 { 43 dest->f_bsize = src->f_bsize; 44 dest->f_frsize = src->f_frsize; 45 dest->f_blocks = src->f_blocks; 46 dest->f_bfree = src->f_bfree; 47 dest->f_bavail = src->f_bavail; 48 dest->f_files = src->f_files; 49 dest->f_ffree = src->f_ffree; 50 dest->f_favail = src->f_favail; 51 dest->f_fsid = src->f_fsid; 52 (void) memcpy(dest->f_basetype, src->f_basetype, 53 sizeof (dest->f_basetype)); 54 dest->f_flag = src->f_flag; 55 dest->f_namemax = src->f_namemax; 56 (void) memcpy(dest->f_fstr, src->f_fstr, 57 sizeof (dest->f_fstr)); 58 } 59 #endif /* _LP64 */ 60 61 /* 62 * statvfs() system call -- executed by subject process 63 */ 64 int 65 pr_statvfs(struct ps_prochandle *Pr, const char *path, statvfs_t *buf) 66 { 67 sysret_t rval; /* return value from statvfs() */ 68 argdes_t argd[2]; /* arg descriptors for statvfs() */ 69 argdes_t *adp = &argd[0]; /* first argument */ 70 int error; 71 #ifdef _LP64 72 statvfs32_t statvfs32; 73 #endif /* _LP64 */ 74 75 if (Pr == NULL) /* no subject process */ 76 return (statvfs(path, buf)); 77 78 adp->arg_value = 0; 79 adp->arg_object = (void *)path; 80 adp->arg_type = AT_BYREF; 81 adp->arg_inout = AI_INPUT; 82 adp->arg_size = strlen(path)+1; 83 adp++; /* move to buffer argument */ 84 85 adp->arg_value = 0; 86 adp->arg_type = AT_BYREF; 87 adp->arg_inout = AI_OUTPUT; 88 #ifdef _LP64 89 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) { 90 adp->arg_object = &statvfs32; 91 adp->arg_size = sizeof (statvfs32); 92 } else { 93 adp->arg_object = buf; 94 adp->arg_size = sizeof (*buf); 95 } 96 #else /* _LP64 */ 97 adp->arg_object = buf; 98 adp->arg_size = sizeof (*buf); 99 #endif /* _LP64 */ 100 101 error = Psyscall(Pr, &rval, SYS_statvfs, 2, &argd[0]); 102 103 if (error) { 104 errno = (error > 0)? error : ENOSYS; 105 return (-1); 106 } 107 #ifdef _LP64 108 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 109 statvfs_32_to_n(&statvfs32, buf); 110 #endif /* _LP64 */ 111 return (0); 112 } 113 114 /* 115 * fstatvfs() system call -- executed by subject process 116 */ 117 int 118 pr_fstatvfs(struct ps_prochandle *Pr, int fd, statvfs_t *buf) 119 { 120 sysret_t rval; /* return value from fstatvfs() */ 121 argdes_t argd[2]; /* arg descriptors for fstatvfs() */ 122 argdes_t *adp = &argd[0]; /* first argument */ 123 int error; 124 #ifdef _LP64 125 statvfs32_t statvfs32; 126 #endif /* _LP64 */ 127 128 if (Pr == NULL) /* no subject process */ 129 return (fstatvfs(fd, buf)); 130 131 adp->arg_value = fd; 132 adp->arg_object = NULL; 133 adp->arg_type = AT_BYVAL; 134 adp->arg_inout = AI_INPUT; 135 adp->arg_size = 0; 136 adp++; /* move to buffer argument */ 137 138 adp->arg_value = 0; 139 adp->arg_type = AT_BYREF; 140 adp->arg_inout = AI_OUTPUT; 141 #ifdef _LP64 142 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) { 143 adp->arg_object = &statvfs32; 144 adp->arg_size = sizeof (statvfs32); 145 } else { 146 adp->arg_object = buf; 147 adp->arg_size = sizeof (*buf); 148 } 149 #else /* _LP64 */ 150 adp->arg_object = buf; 151 adp->arg_size = sizeof (*buf); 152 #endif /* _LP64 */ 153 154 error = Psyscall(Pr, &rval, SYS_fstatvfs, 2, &argd[0]); 155 156 if (error) { 157 errno = (error > 0)? error : ENOSYS; 158 return (-1); 159 } 160 #ifdef _LP64 161 if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) 162 statvfs_32_to_n(&statvfs32, buf); 163 #endif /* _LP64 */ 164 return (0); 165 } 166