1abb9c7b21
Decode struct robust_list_head. * linux/dummy.h (sys_set_robust_list): Remove. * get_robust_list.c (DEF_MPERS_TYPE(struct_robust_list_head)): Add mpers type definition. Include <linux/futex.h>. (struct_robust_list_head): New type definition. Include MPERS_DEFS, "print_fields.h". (decode_robust_list): New function. (SYS_FUNC(set_robust_list)): New decoder. (SYS_FUNC(get_robust_list)): Decode second argument. * tests/xet_robust_list.c: Include <string.h>, <linux/futex.h>. (sprintaddr): Remove. (print_rlh): New function. (main): Add get_robust_list/set_robust_list checks.
92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 2012-2015 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 DEF_MPERS_TYPE(struct_robust_list_head)
|
|
|
|
#include <linux/futex.h>
|
|
|
|
typedef struct robust_list_head struct_robust_list_head;
|
|
|
|
#include MPERS_DEFS
|
|
|
|
#include "print_fields.h"
|
|
|
|
static void
|
|
decode_robust_list(struct tcb *tcp, kernel_ulong_t addr, kernel_ulong_t len)
|
|
{
|
|
struct_robust_list_head rl;
|
|
|
|
if (len < sizeof(rl)) {
|
|
printaddr(addr);
|
|
return;
|
|
}
|
|
if (umove_or_printaddr(tcp, addr, &rl))
|
|
return;
|
|
|
|
PRINT_FIELD_PTR("{list={", rl.list, next);
|
|
PRINT_FIELD_D("}, ", rl, futex_offset);
|
|
PRINT_FIELD_PTR(", ", rl, list_op_pending);
|
|
|
|
if (len > sizeof(rl))
|
|
tprints(", /* ??? */");
|
|
|
|
tprints("}");
|
|
|
|
printaddr_comment(addr);
|
|
}
|
|
|
|
SYS_FUNC(set_robust_list)
|
|
{
|
|
decode_robust_list(tcp, tcp->u_arg[0], tcp->u_arg[1]);
|
|
tprintf(", %lu", (unsigned long) tcp->u_arg[1]);
|
|
|
|
return RVAL_DECODED;
|
|
}
|
|
|
|
SYS_FUNC(get_robust_list)
|
|
{
|
|
if (entering(tcp)) {
|
|
tprintf("%d, ", (int) tcp->u_arg[0]);
|
|
} else {
|
|
mpers_ptr_t rl_ptr;
|
|
mpers_ptr_t len = 0;
|
|
if (!umove_or_printaddr(tcp, tcp->u_arg[1], &rl_ptr)) {
|
|
tprints("[");
|
|
if (!umove(tcp, tcp->u_arg[2], &len))
|
|
decode_robust_list(tcp, rl_ptr, len);
|
|
else
|
|
printaddr(tcp->u_arg[1]);
|
|
tprints("]");
|
|
}
|
|
tprints(", ");
|
|
printnum_ulong(tcp, tcp->u_arg[2]);
|
|
}
|
|
return 0;
|
|
}
|