6 #include <mono/metadata/metadata.h>
7 #include <mono/metadata/tabledefs.h>
8 #include <mono/metadata/rawbuffer.h>
9 #include <mono/metadata/tokentype.h>
10 #include <mono/metadata/appdomain.h>
11 #include <mono/metadata/exception.h>
12 #include <mono/metadata/debug-helpers.h>
13 #include <mono/metadata/mono-debug.h>
14 #include <mono/metadata/debug-mono-symfile.h>
15 #include <mono/metadata/mono-endian.h>
20 #define RANGE_TABLE_CHUNK_SIZE 256
21 #define CLASS_TABLE_CHUNK_SIZE 256
22 #define TYPE_TABLE_PTR_CHUNK_SIZE 256
23 #define TYPE_TABLE_CHUNK_SIZE 65536
26 free_method_info (MonoDebugMethodInfo *minfo)
32 get_class_name (MonoClass *klass)
34 MonoClass *nested_in = mono_class_get_nesting_type (klass);
35 const char *name_space;
37 gchar *parent_name = get_class_name (nested_in);
38 gchar *name = g_strdup_printf ("%s.%s", parent_name, mono_class_get_name (klass));
43 name_space = mono_class_get_namespace (klass);
44 return g_strdup_printf ("%s%s%s", name_space,
45 name_space [0] ? "." : "", mono_class_get_name (klass));
49 load_symfile (MonoDebugHandle *handle, MonoSymbolFile *symfile)
51 const char *ptr, *start;
55 ptr = start = symfile->raw_contents;
60 ptr += sizeof(guint64);
61 if (magic != MONO_SYMBOL_FILE_MAGIC) {
62 g_warning ("Symbol file %s is not a mono symbol file", handle->image_file);
66 version = read32(ptr);
67 ptr += sizeof(guint32);
68 if (version != MONO_SYMBOL_FILE_VERSION) {
69 g_warning ("Symbol file %s has incorrect version "
70 "(expected %d, got %ld)", handle->image_file,
71 MONO_SYMBOL_FILE_VERSION, version);
75 symfile->offset_table = (MonoSymbolFileOffsetTable *) ptr;
77 symfile->method_hash = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
78 (GDestroyNotify) free_method_info);
84 open_symfile (MonoImage *image, guint32 *size)
86 MonoTableInfo *table = mono_image_get_table_info (image, MONO_TABLE_MANIFESTRESOURCE);
88 guint32 cols [MONO_MANIFEST_SIZE];
91 num_rows = mono_table_info_get_rows (table);
92 for (i = 0; i < num_rows; ++i) {
93 mono_metadata_decode_row (table, i, cols, MONO_MANIFEST_SIZE);
94 val = mono_metadata_string_heap (image, cols [MONO_MANIFEST_NAME]);
95 if (!strcmp (val, "MonoSymbolFile"))
100 g_assert (!cols [MONO_MANIFEST_IMPLEMENTATION]);
102 return mono_image_get_resource (image, cols [MONO_MANIFEST_OFFSET], size);
106 open_external_symfile (MonoImage *image, guint32 *size)
108 const gchar *filename;
109 gchar *basename, *name;
112 filename = mono_image_get_filename (image);
114 if (strstr (filename, ".dll") || strstr (filename, ".exe")) {
115 int len = strlen (filename) - 4;
116 basename = g_malloc0 (len);
117 strncpy (basename, filename, len);
119 basename = g_strdup (filename);
122 name = g_strdup_printf ("%s.mdb", basename);
124 if (!g_file_get_contents (name, &contents, size, NULL))
134 mono_debug_open_mono_symbol_file (MonoDebugHandle *handle, gboolean create_symfile)
136 MonoSymbolFile *symfile;
138 symfile = g_new0 (MonoSymbolFile, 1);
140 symfile->raw_contents = open_symfile (handle->image, &symfile->raw_contents_size);
141 if (!symfile->raw_contents)
142 symfile->raw_contents = open_external_symfile (
143 handle->image, &symfile->raw_contents_size);
145 if (load_symfile (handle, symfile))
147 else if (!create_symfile) {
148 mono_debug_close_mono_symbol_file (symfile);
156 mono_debug_close_mono_symbol_file (MonoSymbolFile *symfile)
161 if (symfile->method_hash)
162 g_hash_table_destroy (symfile->method_hash);
168 read_string (const char *ptr)
170 int len = *((guint32 *) ptr);
171 ptr += sizeof(guint32);
172 return g_filename_from_utf8 (ptr, len, NULL, NULL, NULL);
176 mono_debug_find_source_location (MonoSymbolFile *symfile, MonoMethod *method, guint32 offset,
177 guint32 *line_number)
179 MonoSymbolFileLineNumberEntry *lne;
180 MonoDebugMethodInfo *minfo;
181 gchar *source_file = NULL;
185 if (!symfile->method_hash)
188 minfo = g_hash_table_lookup (symfile->method_hash, method);
192 if (read32(&(minfo->entry->_source_index))) {
193 int offset = read32(&(symfile->offset_table->_source_table_offset)) +
194 (read32(&(minfo->entry->_source_index)) - 1) * sizeof (MonoSymbolFileSourceEntry);
195 MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *) (symfile->raw_contents + offset);
197 source_file = read_string (symfile->raw_contents + read32(&(se->_name_offset)));
200 ptr = symfile->raw_contents + read32(&(minfo->entry->_line_number_table_offset));
202 lne = (MonoSymbolFileLineNumberEntry *) ptr;
204 for (i = 0; i < read32(&(minfo->entry->_num_line_numbers)); i++, lne++) {
205 if (read32(&(lne->_offset)) < offset)
209 *line_number = read32(&(lne->_row));
214 } else if (source_file) {
215 gchar *retval = g_strdup_printf ("%s:%d", source_file, read32(&(lne->_row)));
216 g_free (source_file);
219 return g_strdup_printf ("%d", read32(&(lne->_row)));
226 _mono_debug_address_from_il_offset (MonoDebugMethodJitInfo *jit, guint32 il_offset)
230 if (!jit || !jit->line_numbers)
233 for (i = jit->line_numbers->len - 1; i >= 0; i--) {
234 MonoDebugLineNumberEntry lne = g_array_index (
235 jit->line_numbers, MonoDebugLineNumberEntry, i);
237 if (lne.offset <= il_offset)
245 compare_method (const void *key, const void *object)
247 guint32 token = GPOINTER_TO_UINT (key);
248 MonoSymbolFileMethodIndexEntry *me = (MonoSymbolFileMethodIndexEntry*)object;
250 return token - read32(&(me->_token));
253 MonoDebugMethodInfo *
254 mono_debug_find_method (MonoDebugHandle *handle, MonoMethod *method)
256 MonoSymbolFileMethodEntry *me;
257 MonoSymbolFileMethodIndexEntry *first_ie, *ie;
258 MonoDebugMethodInfo *minfo;
259 MonoSymbolFile *symfile = handle->symfile;
261 if (!symfile->method_hash)
264 if (handle->image != mono_class_get_image (mono_method_get_class (method)))
267 first_ie = (MonoSymbolFileMethodIndexEntry *)
268 (symfile->raw_contents + read32(&(symfile->offset_table->_method_table_offset)));
270 ie = bsearch (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
271 read32(&(symfile->offset_table->_method_count)),
272 sizeof (MonoSymbolFileMethodIndexEntry), compare_method);
277 me = (MonoSymbolFileMethodEntry *) (symfile->raw_contents + read32(&(ie->_file_offset)));
279 minfo = g_new0 (MonoDebugMethodInfo, 1);
280 minfo->index = (ie - first_ie) + 1;
281 minfo->method = method;
282 minfo->handle = handle;
283 minfo->num_il_offsets = read32(&(me->_num_line_numbers));
284 minfo->il_offsets = (MonoSymbolFileLineNumberEntry *)
285 (symfile->raw_contents + read32(&(me->_line_number_table_offset)));
288 g_hash_table_insert (symfile->method_hash, method, minfo);