Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame^] | 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 | |
| 26 | 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 | |
| 35 | 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 | |
| 74 | 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 | |
| 83 | 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 | } |