1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: debug.c
* Jul 18 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Debugs an existing HDF5 file at a low level.
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#include "H5private.h"
#include "H5Bprivate.h"
#include "H5Dprivate.h"
#include "H5Fpkg.h"
#include "H5Gprivate.h"
#include "H5HGprivate.h"
#include "H5HLprivate.h"
#include "H5Iprivate.h"
#include "H5Opkg.h"
#include "H5Pprivate.h"
/* File drivers */
#include "H5FDfamily.h"
#define INDENT 3
#define VCOL 50
/*-------------------------------------------------------------------------
* Function: main
*
* Usage: debug FILENAME [OFFSET]
*
* Return: Success: exit (0)
*
* Failure: exit (non-zero)
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Jul 18 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main(int argc, char *argv[])
{
hid_t fid, fapl, dxpl;
H5F_t *f;
haddr_t addr=0, extra=0;
uint8_t sig[16];
int i;
unsigned ndims;
herr_t status = SUCCEED;
if (argc == 1) {
fprintf(stderr,
"Usage: %s filename [signature addr [extra]]\n", argv[0]);
HDexit(1);
}
/* Initialize the library */
if(H5open ()<0) {
fprintf(stderr, "cannot initialize the library\n");
HDexit(1);
}
/*
* Open the file and get the file descriptor.
*/
if((dxpl = H5Pcreate (H5P_DATASET_XFER))<0) {
fprintf(stderr, "cannot create dataset transfer property list\n");
HDexit(1);
}
if((fapl = H5Pcreate (H5P_FILE_ACCESS))<0) {
fprintf(stderr, "cannot create file access property list\n");
HDexit(1);
}
if (strchr (argv[1], '%')) {
H5Pset_fapl_family (fapl, (hsize_t)0, H5P_DEFAULT);
}
if ((fid = H5Fopen(argv[1], H5F_ACC_RDONLY, fapl)) < 0) {
fprintf(stderr, "cannot open file\n");
HDexit(1);
}
if (NULL == (f = H5I_object(fid))) {
fprintf(stderr, "cannot obtain H5F_t pointer\n");
HDexit(2);
}
/*
* Parse command arguments.
*/
if (argc > 2) {
printf("New address: %s\n", argv[2]);
addr = HDstrtoll(argv[2], NULL, 0);
}
if (argc > 3) {
extra = HDstrtoll(argv[3], NULL, 0);
}
/*
* Read the signature at the specified file position.
*/
HDfprintf(stdout, "Reading signature at address %a (rel)\n", addr);
if (H5F_block_read(f, H5FD_MEM_SUPER, addr, sizeof(sig), dxpl, sig)<0) {
fprintf(stderr, "cannot read signature\n");
HDexit(3);
}
if (!HDmemcmp(sig, H5F_SIGNATURE, H5F_SIGNATURE_LEN)) {
/*
* Debug the boot block.
*/
status = H5F_debug(f, H5P_DATASET_XFER_DEFAULT, stdout, 0, VCOL);
} else if (!HDmemcmp(sig, H5HL_MAGIC, H5HL_SIZEOF_MAGIC)) {
/*
* Debug a local heap.
*/
status = H5HL_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else if (!HDmemcmp (sig, H5HG_MAGIC, H5HG_SIZEOF_MAGIC)) {
/*
* Debug a global heap collection.
*/
status = H5HG_debug (f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else if (!HDmemcmp(sig, H5G_NODE_MAGIC, H5G_NODE_SIZEOF_MAGIC)) {
/*
* Debug a symbol table node.
*/
status = H5G_node_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL, extra);
} else if (!HDmemcmp(sig, H5B_MAGIC, H5B_SIZEOF_MAGIC)) {
/*
* Debug a B-tree. B-trees are debugged through the B-tree
* subclass. The subclass identifier is the byte immediately
* after the B-tree signature.
*/
H5B_subid_t subtype = (H5B_subid_t)sig[H5B_SIZEOF_MAGIC];
switch (subtype) {
case H5B_SNODE_ID:
status = H5G_node_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL, extra);
break;
case H5B_ISTORE_ID:
ndims = (unsigned)extra;
status = H5D_istore_debug (f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL, ndims);
break;
default:
fprintf(stderr, "Unknown B-tree subtype %u\n", (unsigned)(subtype));
HDexit(4);
}
} else if (sig[0] == H5O_VERSION) {
/*
* This could be an object header. Since they don't have a signature
* it's a somewhat "ify" detection.
*/
status = H5O_debug(f, H5P_DATASET_XFER_DEFAULT, addr, stdout, 0, VCOL);
} else {
/*
* Got some other unrecognized signature.
*/
printf("%-*s ", VCOL, "Signature:");
for (i = 0; i < 8; i++) {
if (sig[i] > ' ' && sig[i] <= '~' && '\\' != sig[i]) {
HDputchar(sig[i]);
} else if ('\\' == sig[i]) {
HDputchar('\\');
HDputchar('\\');
} else {
printf("\\%03o", sig[i]);
}
}
HDputchar('\n');
fprintf(stderr, "unknown signature\n");
HDexit(4);
}
if (status < 0) {
fprintf(stderr, "An error occurred\n");
HDexit(5);
}
H5Pclose(dxpl);
H5Pclose(fapl);
H5Fclose(fid);
return 0;
}
|
