/*
* 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 MPERS_DEFS
+#include "print_fields.h"
+#include "xlat/loop_cmds.h"
#include "xlat/loop_flags_options.h"
#include "xlat/loop_crypt_type_options.h"
tprintf("{lo_number=%d", info.lo_number);
if (!abbrev(tcp)) {
- tprints(", lo_device=");
- print_dev_t(info.lo_device);
+ PRINT_FIELD_DEV(", ", info, lo_device);
tprintf(", lo_inode=%" PRI_klu, (kernel_ulong_t) info.lo_inode);
- tprints(", lo_rdevice=");
- print_dev_t(info.lo_rdevice);
+ PRINT_FIELD_DEV(", ", 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=");
printflags(loop_flags_options, info.lo_flags, "LO_FLAGS_???");
- tprints(", lo_name=");
- print_quoted_string(info.lo_name, LO_NAME_SIZE,
- QUOTE_0_TERMINATED);
+ PRINT_FIELD_CSTRING(", ", info, lo_name);
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);
+ const unsigned int lo_encrypt_key_size =
+ MIN((unsigned) info.lo_encrypt_key_size, LO_KEY_SIZE);
+ PRINT_FIELD_STRING(", ", info, lo_encrypt_key,
+ lo_encrypt_key_size, 0);
}
if (!abbrev(tcp))
tprintf(", lo_init=[%#" PRI_klx ", %#" PRI_klx "]"
- ", reserved=[%#x, %#x, %#x, %#x]}",
+ ", 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],
return;
if (!abbrev(tcp)) {
- tprints("{lo_device=");
- print_dev_t(info64.lo_device);
+ PRINT_FIELD_DEV("{", info64, lo_device);
tprintf(", lo_inode=%" PRIu64, (uint64_t) info64.lo_inode);
- tprints(", lo_rdevice=");
- print_dev_t(info64.lo_rdevice);
+ PRINT_FIELD_DEV(", ", info64, lo_rdevice);
tprintf(", lo_offset=%#" PRIx64 ", lo_sizelimit=%" PRIu64
", lo_number=%" PRIu32,
(uint64_t) info64.lo_offset,
tprints(", lo_flags=");
printflags(loop_flags_options, info64.lo_flags, "LO_FLAGS_???");
- tprints(", lo_file_name=");
- print_quoted_string((void *) info64.lo_file_name,
- LO_NAME_SIZE, QUOTE_0_TERMINATED);
+ PRINT_FIELD_CSTRING(", ", info64, lo_file_name);
if (!abbrev(tcp) || info64.lo_encrypt_type != LO_CRYPT_NONE) {
- tprints(", lo_crypt_name=");
- print_quoted_string((void *) info64.lo_crypt_name,
- LO_NAME_SIZE, QUOTE_0_TERMINATED);
- tprints(", lo_encrypt_key=");
- print_quoted_string((void *) info64.lo_encrypt_key,
- LO_KEY_SIZE, 0);
+ PRINT_FIELD_CSTRING(", ", info64, lo_crypt_name);
+ const unsigned int lo_encrypt_key_size =
+ MIN((unsigned) info64.lo_encrypt_key_size, LO_KEY_SIZE);
+ PRINT_FIELD_STRING(", ", info64, lo_encrypt_key,
+ lo_encrypt_key_size, 0);
}
if (!abbrev(tcp))
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:
+ case LOOP_SET_BLOCK_SIZE:
tprintf(", %" PRI_klu, arg);
break;
-#endif
default:
return RVAL_DECODED;
}
- return RVAL_DECODED | 1;
+ return RVAL_IOCTL_DECODED;
}