1 /**
2 * @file name_storage.cpp
3 * Storage of global names (filenames and symbols)
4 *
5 * @remark Copyright 2002 OProfile authors
6 * @remark Read the file COPYING
7 *
8 * @author Philippe Elie
9 * @author John Levon
10 */
11
12 #include "name_storage.h"
13 #include "demangle_symbol.h"
14 #include "file_manip.h"
15 #include "string_manip.h"
16 #include "locate_images.h"
17 #include "op_exception.h"
18
19 using namespace std;
20
21 image_name_storage image_names;
22 debug_name_storage debug_names;
23 symbol_name_storage symbol_names;
24
25
basename(image_name_id id) const26 string const & image_name_storage::basename(image_name_id id) const
27 {
28 stored_filename const & n = get(id);
29 if (n.base_filename.empty())
30 n.base_filename = op_basename(n.filename);
31 return n.base_filename;
32 }
33
34
get_name(image_name_id id,image_name_type type,extra_images const & extra) const35 string const & image_name_storage::get_name(image_name_id id,
36 image_name_type type,
37 extra_images const & extra) const
38 {
39 stored_filename const & n = get(id);
40 if (type == int_filename) {
41 return n.filename;
42 } else if (type == int_basename) {
43 return basename(id);
44 } else if (type == int_real_basename) {
45 if (n.extra_images_uid == 0) {
46 // recursive call to init real_filename.
47 get_name(id, int_real_filename, extra);
48 n.real_base_filename = op_basename(n.real_filename);
49 }
50 return n.real_base_filename;
51 } else if (type == int_real_filename) {
52 if (n.extra_images_uid == 0) {
53 // We ignore error here, the real path will be
54 // identical to the name derived from the sample
55 // filename in this case. FIXME: this mean than the
56 // archive path will be ignored if an error occur.
57 image_error error;
58 n.real_filename = extra.find_image_path(name(id),
59 error, true);
60 n.extra_images_uid = extra.get_uid();
61 }
62
63 if (n.extra_images_uid == extra.get_uid())
64 return n.real_filename;
65 throw op_runtime_error("image_name_storage::get_name() called"
66 " with different extra parameter");
67 }
68
69 throw op_runtime_error("invalid parameter to"
70 " image_name_storage;;get_name()");
71 }
72
73
basename(debug_name_id id) const74 string const & debug_name_storage::basename(debug_name_id id) const
75 {
76 stored_name const & n = get(id);
77 if (n.name_processed.empty())
78 n.name_processed = op_basename(n.name);
79 return n.name_processed;
80 }
81
82
demangle(symbol_name_id id) const83 string const & symbol_name_storage::demangle(symbol_name_id id) const
84 {
85 stored_name const & n = get(id);
86 if (!n.name_processed.empty() || n.name.empty())
87 return n.name_processed;
88
89 if (n.name[0] != '?') {
90 n.name_processed = demangle_symbol(n.name);
91 return n.name_processed;
92 }
93
94 if (n.name.length() < 2 || n.name[1] != '?') {
95 n.name_processed = "(no symbols)";
96 return n.name_processed;
97 }
98
99 n.name_processed = "anonymous symbol from section ";
100 n.name_processed += ltrim(n.name, "?");
101 return n.name_processed;
102 }
103