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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1997-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include "libproc.h"
#ifdef _LP64
/*
* in case of 64-bit *stat() and *stat64 library call and 32-bit subject
* process convert 64-bit struct stat/stat64 into 32-bit struct stat64
*/
static void
stat64_32_to_n(struct stat64_32 *src, struct stat *dest)
{
(void) memset(dest, 0, sizeof (*dest));
dest->st_dev = DEVEXPL(src->st_dev);
dest->st_ino = (ino_t)src->st_ino;
dest->st_mode = (mode_t)src->st_mode;
dest->st_nlink = (nlink_t)src->st_nlink;
dest->st_uid = (uid_t)src->st_uid;
dest->st_gid = (gid_t)src->st_gid;
dest->st_rdev = DEVEXPL(src->st_rdev);
dest->st_size = (off_t)src->st_size;
TIMESPEC32_TO_TIMESPEC(&dest->st_atim, &src->st_atim);
TIMESPEC32_TO_TIMESPEC(&dest->st_mtim, &src->st_mtim);
TIMESPEC32_TO_TIMESPEC(&dest->st_ctim, &src->st_ctim);
dest->st_blksize = (blksize_t)src->st_blksize;
dest->st_blocks = (blkcnt_t)src->st_blocks;
(void) memcpy(dest->st_fstype, src->st_fstype,
sizeof (dest->st_fstype));
}
#endif /* _LP64 */
/*
* stat() system call -- executed by subject process
*/
int
pr_stat(struct ps_prochandle *Pr, const char *path, struct stat *buf)
{
sysret_t rval; /* return value from stat() */
argdes_t argd[3]; /* arg descriptors for stat() */
argdes_t *adp = &argd[0]; /* first argument */
int syscall; /* stat, xstat or stat64 */
int nargs = 2; /* number of actual arguments */
int error;
#ifdef _LP64
struct stat64_32 statb64_32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (stat(path, buf));
/*
* This is filthy, but /proc reveals everything about the
* system call interfaces, despite what the architects of the
* header files may desire. We have to know here whether we
* are calling stat() or xstat() in the subject.
*/
#if defined(_STAT_VER)
syscall = SYS_xstat;
nargs = 3;
adp->arg_value = _STAT_VER;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to pathname argument */
#else
if (Pstatus(Pr)->pr_dmodel != PR_MODEL_NATIVE) {
/* 64-bit process controls 32-bit subject process */
syscall = SYS_stat64;
} else {
syscall = SYS_stat;
}
#endif
adp->arg_value = 0;
adp->arg_object = (void *)path;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(path) + 1;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statb64_32;
adp->arg_size = sizeof (statb64_32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, syscall, nargs, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
stat64_32_to_n(&statb64_32, buf);
#endif /* _LP64 */
return (0);
}
/*
* lstat() system call -- executed by subject process
*/
int
pr_lstat(struct ps_prochandle *Pr, const char *path, struct stat *buf)
{
sysret_t rval; /* return value from lstat() */
argdes_t argd[3]; /* arg descriptors for lstat() */
argdes_t *adp = &argd[0]; /* first argument */
int syscall; /* lstat, lxstat or lstat64 */
int nargs = 2; /* number of actual arguments */
int error;
#ifdef _LP64
struct stat64_32 statb64_32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (lstat(path, buf));
/*
* This is filthy, but /proc reveals everything about the
* system call interfaces, despite what the architects of the
* header files may desire. We have to know here whether we
* are calling lstat() or lxstat() in the subject.
*/
#if defined(_STAT_VER)
syscall = SYS_lxstat;
nargs = 3;
adp->arg_value = _STAT_VER;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to pathname argument */
#else
if (Pstatus(Pr)->pr_dmodel != PR_MODEL_NATIVE) {
/* 64-bit process controls 32-bit subject process */
syscall = SYS_lstat64;
} else {
syscall = SYS_lstat;
}
#endif
adp->arg_value = 0;
adp->arg_object = (void *)path;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(path) + 1;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statb64_32;
adp->arg_size = sizeof (statb64_32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, syscall, nargs, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
stat64_32_to_n(&statb64_32, buf);
#endif /* _LP64 */
return (0);
}
/*
* fstat() system call -- executed by subject process
*/
int
pr_fstat(struct ps_prochandle *Pr, int fd, struct stat *buf)
{
sysret_t rval; /* return value from fstat() */
argdes_t argd[3]; /* arg descriptors for fstat() */
argdes_t *adp = &argd[0]; /* first argument */
int syscall; /* fstat, fxstat or fstat64 */
int nargs = 2; /* number of actual arguments */
int error;
#ifdef _LP64
struct stat64_32 statb64_32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (fstat(fd, buf));
/*
* This is filthy, but /proc reveals everything about the
* system call interfaces, despite what the architects of the
* header files may desire. We have to know here whether we
* are calling fstat() or fxstat() in the subject.
*/
#if defined(_STAT_VER)
syscall = SYS_fxstat;
nargs = 3;
adp->arg_value = _STAT_VER;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to fd argument */
#else
if (Pstatus(Pr)->pr_dmodel != PR_MODEL_NATIVE) {
/* 64-bit process controls 32-bit subject process */
syscall = SYS_fstat64;
} else {
syscall = SYS_fstat;
}
#endif
adp->arg_value = fd;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statb64_32;
adp->arg_size = sizeof (statb64_32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, syscall, nargs, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
stat64_32_to_n(&statb64_32, buf);
#endif /* _LP64 */
return (0);
}
/*
* stat64() system call -- executed by subject process
*/
int
pr_stat64(struct ps_prochandle *Pr, const char *path, struct stat64 *buf)
{
sysret_t rval; /* return value from stat64() */
argdes_t argd[2]; /* arg descriptors for stat64() */
argdes_t *adp = &argd[0]; /* first argument */
int syscall; /* stat or stat64 */
int nargs = 2; /* number of actual arguments */
int error;
#ifdef _LP64
struct stat64_32 statb64_32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (stat64(path, buf));
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
/*
* 32-bit native and
* 64-bit process controls 32-bit subject process
*/
syscall = SYS_stat64;
} else {
/* 64-bit native */
syscall = SYS_stat;
}
adp->arg_value = 0;
adp->arg_object = (void *)path;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(path) + 1;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statb64_32;
adp->arg_size = sizeof (statb64_32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, syscall, nargs, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
stat64_32_to_n(&statb64_32, (struct stat *)buf);
#endif /* _LP64 */
return (0);
}
/*
* lstat64() system call -- executed by subject process
*/
int
pr_lstat64(struct ps_prochandle *Pr, const char *path, struct stat64 *buf)
{
sysret_t rval; /* return value from lstat64() */
argdes_t argd[2]; /* arg descriptors for lstat64() */
argdes_t *adp = &argd[0]; /* first argument */
int syscall; /* lstat or lstat64 */
int nargs = 2; /* number of actual arguments */
int error;
#ifdef _LP64
struct stat64_32 statb64_32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (lstat64(path, buf));
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
/*
* 32-bit native and
* 64-bit process controls 32-bit subject process
*/
syscall = SYS_lstat64;
} else {
/* 64-bit native */
syscall = SYS_lstat;
}
adp->arg_value = 0;
adp->arg_object = (void *)path;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
adp->arg_size = strlen(path) + 1;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statb64_32;
adp->arg_size = sizeof (statb64_32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, syscall, nargs, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
stat64_32_to_n(&statb64_32, (struct stat *)buf);
#endif /* _LP64 */
return (0);
}
/*
* fstat64() system call -- executed by subject process
*/
int
pr_fstat64(struct ps_prochandle *Pr, int fd, struct stat64 *buf)
{
sysret_t rval; /* return value from fstat64() */
argdes_t argd[2]; /* arg descriptors for fstat64() */
argdes_t *adp = &argd[0]; /* first argument */
int syscall; /* fstat or fstat64 */
int nargs = 2; /* number of actual arguments */
int error;
#ifdef _LP64
struct stat64_32 statb64_32;
#endif /* _LP64 */
if (Pr == NULL) /* no subject process */
return (fstat64(fd, buf));
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
/*
* 32-bit native and
* 64-bit process controls 32-bit subject process
*/
syscall = SYS_fstat64;
} else {
/* 64-bit native */
syscall = SYS_fstat;
}
adp->arg_value = fd;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* move to buffer argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32) {
adp->arg_object = &statb64_32;
adp->arg_size = sizeof (statb64_32);
} else {
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
}
#else /* _LP64 */
adp->arg_object = buf;
adp->arg_size = sizeof (*buf);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, syscall, nargs, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
stat64_32_to_n(&statb64_32, (struct stat *)buf);
#endif /* _LP64 */
return (0);
}
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