strace/sysfs.c
Eugene Syromyatnikov aeb343b726 Implement sysfs syscall decoding
* Makefile.am (strace_SOURCES): New file.
* linux/dummy.h (sys_sysfs): Remove macro definition.
* sysfs.c: New file.
* tests/gen_tests.in: Add sysfs test definition.
* tests/.gitignore: add sysfs.
* tests/pure_executables.list: Add sysfs.
* tests/sysfs.c: New file.
2018-09-23 12:35:53 +02:00

65 lines
2.1 KiB
C

/*
* Copyright (c) 2018 The strace developers.
* 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"
SYS_FUNC(sysfs)
{
if (entering(tcp))
tprintf("%d", (int) tcp->u_arg[0]);
switch (tcp->u_arg[0]) {
case 1:
tprints_comment("filesystem type index by name");
tprints(", ");
printpath(tcp, tcp->u_arg[1]);
break;
case 2:
if (entering(tcp)) {
tprints_comment("filesystem type name by index");
tprintf(", %u, ", (unsigned int) tcp->u_arg[1]);
} else {
if (!syserror(tcp))
printpath(tcp, tcp->u_arg[2]);
else
printaddr(tcp->u_arg[2]);
}
return 0;
case 3:
tprints_comment("total number of filesystem types");
break;
default:
tprints_comment("???");
}
return RVAL_DECODED;
}