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/*-
* Copyright (c) 2011 Mikolaj Golub
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/elf.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <vm/vm.h>
#include <err.h>
#include <errno.h>
#include <libprocstat.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
#define PRINT(name, spec, val) \
printf("%s %-16s " #spec "\n", prefix, #name, (val))
#define PRINT_UNKNOWN(type, val) \
printf("%s %16ld %#lx\n", prefix, (long)type, (u_long)(val))
void
procstat_auxv(struct procstat *procstat, struct kinfo_proc *kipp)
{
Elf_Auxinfo *auxv;
u_int count, i;
static char prefix[256];
if (!hflag)
printf("%5s %-16s %-16s %-16s\n", "PID", "COMM", "AUXV", "VALUE");
auxv = procstat_getauxv(procstat, kipp, &count);
if (auxv == NULL)
return;
snprintf(prefix, sizeof(prefix), "%5d %-16s", kipp->ki_pid,
kipp->ki_comm);
for (i = 0; i < count; i++) {
switch(auxv[i].a_type) {
case AT_NULL:
return;
case AT_IGNORE:
break;
case AT_EXECFD:
PRINT(AT_EXECFD, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_PHDR:
PRINT(AT_PHDR, %p, auxv[i].a_un.a_ptr);
break;
case AT_PHENT:
PRINT(AT_PHENT, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_PHNUM:
PRINT(AT_PHNUM, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_PAGESZ:
PRINT(AT_PAGESZ, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_BASE:
PRINT(AT_BASE, %p, auxv[i].a_un.a_ptr);
break;
case AT_FLAGS:
PRINT(AT_FLAGS, %#lx, (u_long)auxv[i].a_un.a_val);
break;
case AT_ENTRY:
PRINT(AT_ENTRY, %p, auxv[i].a_un.a_ptr);
break;
#ifdef AT_NOTELF
case AT_NOTELF:
PRINT(AT_NOTELF, %ld, (long)auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_UID
case AT_UID:
PRINT(AT_UID, %ld, (long)auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_EUID
case AT_EUID:
PRINT(AT_EUID, %ld, (long)auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_GID
case AT_GID:
PRINT(AT_GID, %ld, (long)auxv[i].a_un.a_val);
break;
#endif
#ifdef AT_EGID
case AT_EGID:
PRINT(AT_EGID, %ld, (long)auxv[i].a_un.a_val);
break;
#endif
case AT_EXECPATH:
PRINT(AT_EXECPATH, %p, auxv[i].a_un.a_ptr);
break;
case AT_CANARY:
PRINT(AT_CANARY, %p, auxv[i].a_un.a_ptr);
break;
case AT_CANARYLEN:
PRINT(AT_CANARYLEN, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_OSRELDATE:
PRINT(AT_OSRELDATE, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_NCPUS:
PRINT(AT_NCPUS, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_PAGESIZES:
PRINT(AT_PAGESIZES, %p, auxv[i].a_un.a_ptr);
break;
case AT_PAGESIZESLEN:
PRINT(AT_PAGESIZESLEN, %ld, (long)auxv[i].a_un.a_val);
break;
case AT_STACKPROT:
if ((auxv[i].a_un.a_val & VM_PROT_EXECUTE) != 0)
PRINT(AT_STACKPROT, %s, "NONEXECUTABLE");
else
PRINT(AT_STACKPROT, %s, "EXECUTABLE");
break;
#ifdef AT_TIMEKEEP
case AT_TIMEKEEP:
PRINT(AT_TIMEKEEP, %p, auxv[i].a_un.a_ptr);
break;
#endif
default:
PRINT_UNKNOWN(auxv[i].a_type, auxv[i].a_un.a_val);
break;
}
}
printf("\n");
procstat_freeauxv(procstat, auxv);
}
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