strace/kcmp.c
Dmitry V. Levin 63c27873b6 kcmp: print index parameters of unknown commands as kernel_ulong_t
* lookup_dcookie.c (SYS_FUNC(kcmp)): Use getarg_ull to retrieve idx1
and idx2, print them using %#llx format in case of unknown command.
2016-10-28 18:40:10 +00:00

59 lines
2.1 KiB
C

/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include "defs.h"
#include "xlat/kcmp_types.h"
SYS_FUNC(kcmp)
{
pid_t pid1 = tcp->u_arg[0];
pid_t pid2 = tcp->u_arg[1];
int type = tcp->u_arg[2];
unsigned long long idx1 = getarg_ull(tcp, 3);
unsigned long long idx2 = getarg_ull(tcp, 4);
tprintf("%d, %d, ", pid1, pid2);
printxval(kcmp_types, type, "KCMP_???");
switch(type) {
case KCMP_FILE:
tprintf(", %u, %u", (unsigned) idx1, (unsigned) idx2);
break;
case KCMP_FILES:
case KCMP_FS:
case KCMP_IO:
case KCMP_SIGHAND:
case KCMP_SYSVSEM:
case KCMP_VM:
break;
default:
tprintf(", %#llx, %#llx", idx1, idx2);
}
return RVAL_DECODED;
}