+/*
+ * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
+ * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
+ * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
+ * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
+ * Copyright (c) 2002-2004 Roland McGrath <roland@redhat.com>
+ * Copyright (c) 2010 Andreas Schwab <schwab@linux-m68k.org>
+ * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2014-2017 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"
-#if defined I386 || defined X86_64 || defined X32
+#ifdef HAVE_STRUCT_USER_DESC
# include <asm/ldt.h>
void
-print_user_desc(struct tcb *tcp, long addr)
+print_user_desc(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct user_desc desc;
- if (umove(tcp, addr, &desc) < 0) {
- tprintf("%lx", addr);
- return;
- }
-
- if (!verbose(tcp)) {
- tprintf("{entry_number:%d, ...}", desc.entry_number);
+ if (umove_or_printaddr(tcp, addr, &desc))
return;
- }
tprintf("{entry_number:%d, "
"base_addr:%#08x, "
SYS_FUNC(modify_ldt)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- if (tcp->u_arg[1] == 0
- || tcp->u_arg[2] != sizeof(struct user_desc)) {
- tprintf("%lx", tcp->u_arg[1]);
- } else {
- print_user_desc(tcp, tcp->u_arg[1]);
- }
- tprintf(", %lu", tcp->u_arg[2]);
- }
- return 0;
+ tprintf("%" PRI_kld ", ", tcp->u_arg[0]);
+ if (tcp->u_arg[2] != sizeof(struct user_desc))
+ printaddr(tcp->u_arg[1]);
+ else
+ print_user_desc(tcp, tcp->u_arg[1]);
+ tprintf(", %" PRI_klu, tcp->u_arg[2]);
+
+ return RVAL_DECODED;
}
SYS_FUNC(set_thread_area)
} else {
struct user_desc desc;
- if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &desc) < 0) {
+ if (!verbose(tcp) || syserror(tcp) ||
+ umove(tcp, tcp->u_arg[0], &desc) < 0) {
/* returned entry_number is not available */
} else {
static char outstr[32];
SYS_FUNC(get_thread_area)
{
- if (exiting(tcp)) {
- if (syserror(tcp))
- tprintf("%lx", tcp->u_arg[0]);
- else
- print_user_desc(tcp, tcp->u_arg[0]);
- }
+ if (exiting(tcp))
+ print_user_desc(tcp, tcp->u_arg[0]);
return 0;
}
-#endif /* I386 || X86_64 || X32 */
+#endif /* HAVE_STRUCT_USER_DESC */
#if defined(M68K) || defined(MIPS)
SYS_FUNC(set_thread_area)
{
- if (entering(tcp))
- tprintf("%#lx", tcp->u_arg[0]);
- return 0;
+ printaddr(tcp->u_arg[0]);
+
+ return RVAL_DECODED;
}
#endif
#if defined(M68K)
SYS_FUNC(get_thread_area)
{
- return RVAL_HEX;
+ return RVAL_DECODED | RVAL_HEX;
}
#endif