/*
* Copyright (c) 2012 The Chromium OS Authors.
+ * Copyright (c) 2012-2017 The strace developers.
* Written by Mike Frysinger <vapier@gentoo.org>.
*
* Redistribution and use in source and binary forms, with or without
#include <linux/ioctl.h>
#include <linux/loop.h>
+typedef struct loop_info struct_loop_info;
+
+#include DEF_MPERS_TYPE(struct_loop_info)
+
+#include MPERS_DEFS
+
+#include "xlat/loop_cmds.h"
#include "xlat/loop_flags_options.h"
#include "xlat/loop_crypt_type_options.h"
static void
decode_loop_info(struct tcb *const tcp, const kernel_ulong_t addr)
{
- struct loop_info info;
+ struct_loop_info info;
tprints(", ");
if (umove_or_printaddr(tcp, addr, &info))
tprintf("{lo_number=%d", info.lo_number);
if (!abbrev(tcp)) {
- tprintf(", lo_device=%#lx, lo_inode=%lu, lo_rdevice=%#lx",
- (unsigned long) info.lo_device,
- info.lo_inode,
- (unsigned long) info.lo_rdevice);
+ tprints(", lo_device=");
+ print_dev_t(info.lo_device);
+ tprintf(", lo_inode=%" PRI_klu, (kernel_ulong_t) info.lo_inode);
+ tprints(", lo_rdevice=");
+ print_dev_t(info.lo_rdevice);
}
tprintf(", lo_offset=%#x", info.lo_offset);
tprints(", lo_encrypt_type=");
printxval(loop_crypt_type_options, info.lo_encrypt_type,
"LO_CRYPT_???");
- tprintf(", lo_encrypt_key_size=%d", info.lo_encrypt_key_size);
+ /*
+ * It is converted to unsigned before use in kernel, see
+ * loop_info64_from_old in drivers/block/loop.c
+ */
+ tprintf(", lo_encrypt_key_size=%" PRIu32,
+ (uint32_t) info.lo_encrypt_key_size);
}
tprints(", lo_flags=");
if (!abbrev(tcp) || info.lo_encrypt_type != LO_CRYPT_NONE) {
tprints(", lo_encrypt_key=");
print_quoted_string((void *) info.lo_encrypt_key,
- LO_KEY_SIZE, 0);
+ MIN((uint32_t) info.lo_encrypt_key_size,
+ LO_KEY_SIZE), 0);
}
if (!abbrev(tcp))
- tprintf(", lo_init=[%#lx, %#lx]"
- ", reserved=[%#x, %#x, %#x, %#x]}",
- info.lo_init[0], info.lo_init[1],
+ tprintf(", lo_init=[%#" PRI_klx ", %#" PRI_klx "]"
+ ", reserved=[%#hhx, %#hhx, %#hhx, %#hhx]}",
+ (kernel_ulong_t) info.lo_init[0],
+ (kernel_ulong_t) info.lo_init[1],
info.reserved[0], info.reserved[1],
info.reserved[2], info.reserved[3]);
else
return;
if (!abbrev(tcp)) {
- tprintf("{lo_device=%" PRIu64 ", lo_inode=%" PRIu64
- ", lo_rdevice=%" PRIu64 ", lo_offset=%#" PRIx64
- ", lo_sizelimit=%" PRIu64 ", lo_number=%" PRIu32,
- (uint64_t) info64.lo_device,
- (uint64_t) info64.lo_inode,
- (uint64_t) info64.lo_rdevice,
+ tprints("{lo_device=");
+ print_dev_t(info64.lo_device);
+ tprintf(", lo_inode=%" PRIu64, (uint64_t) info64.lo_inode);
+ tprints(", lo_rdevice=");
+ print_dev_t(info64.lo_rdevice);
+ tprintf(", lo_offset=%#" PRIx64 ", lo_sizelimit=%" PRIu64
+ ", lo_number=%" PRIu32,
(uint64_t) info64.lo_offset,
(uint64_t) info64.lo_sizelimit,
(uint32_t) info64.lo_number);
LO_NAME_SIZE, QUOTE_0_TERMINATED);
tprints(", lo_encrypt_key=");
print_quoted_string((void *) info64.lo_encrypt_key,
- LO_KEY_SIZE, 0);
+ MIN(info64.lo_encrypt_key_size,
+ LO_KEY_SIZE), 0);
}
if (!abbrev(tcp))
tprints(", ...}");
}
-int
-loop_ioctl(struct tcb *const tcp, const unsigned int code,
- const kernel_ulong_t arg)
+MPERS_PRINTER_DECL(int, loop_ioctl,
+ struct tcb *tcp, const unsigned int code,
+ const kernel_ulong_t arg)
{
- if (!verbose(tcp))
- return RVAL_DECODED;
-
switch (code) {
case LOOP_GET_STATUS:
if (entering(tcp))
break;
case LOOP_CLR_FD:
-#ifdef LOOP_SET_CAPACITY
case LOOP_SET_CAPACITY:
-#endif
-#ifdef LOOP_CTL_GET_FREE
/* newer loop-control stuff */
case LOOP_CTL_GET_FREE:
-#endif
/* Takes no arguments */
break;
printfd(tcp, arg);
break;
-#ifdef LOOP_CTL_ADD
/* newer loop-control stuff */
case LOOP_CTL_ADD:
case LOOP_CTL_REMOVE:
tprintf(", %d", (int) arg);
break;
-#endif
-#ifdef LOOP_SET_DIRECT_IO
case LOOP_SET_DIRECT_IO:
tprintf(", %" PRI_klu, arg);
break;
-#endif
default:
return RVAL_DECODED;