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>
16 #include <mono/metadata/metadata-internals.h>
17 #include <mono/metadata/mono-debug-debugger.h>
22 #define RANGE_TABLE_CHUNK_SIZE 256
23 #define CLASS_TABLE_CHUNK_SIZE 256
24 #define TYPE_TABLE_PTR_CHUNK_SIZE 256
25 #define TYPE_TABLE_CHUNK_SIZE 65536
28 free_method_info (MonoDebugMethodInfo *minfo)
34 get_class_name (MonoClass *klass)
36 MonoClass *nested_in = mono_class_get_nesting_type (klass);
37 const char *name_space;
39 gchar *parent_name = get_class_name (nested_in);
40 gchar *name = g_strdup_printf ("%s.%s", parent_name, mono_class_get_name (klass));
45 name_space = mono_class_get_namespace (klass);
46 return g_strdup_printf ("%s%s%s", name_space,
47 name_space [0] ? "." : "", mono_class_get_name (klass));
51 load_symfile (MonoDebugHandle *handle, MonoSymbolFile *symfile)
53 const char *ptr, *start;
58 ptr = start = symfile->raw_contents;
63 ptr += sizeof(guint64);
64 if (magic != MONO_SYMBOL_FILE_MAGIC) {
65 g_warning ("Symbol file %s is not a mono symbol file", symfile->filename);
69 version = read32(ptr);
70 ptr += sizeof(guint32);
71 if (version != MONO_SYMBOL_FILE_VERSION) {
72 g_warning ("Symbol file %s has incorrect version "
73 "(expected %d, got %ld)", symfile->filename,
74 MONO_SYMBOL_FILE_VERSION, version);
78 guid = mono_guid_to_string ((const guint8 *) ptr);
81 if (strcmp (handle->image->guid, guid)) {
82 g_warning ("Symbol file %s doesn't match image %s", symfile->filename,
87 symfile->offset_table = (MonoSymbolFileOffsetTable *) ptr;
89 symfile->method_hash = g_hash_table_new_full (
90 g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) free_method_info);
96 mono_debug_open_mono_symbol_file (MonoDebugHandle *handle, gboolean create_symfile)
98 MonoSymbolFile *symfile;
101 symfile = g_new0 (MonoSymbolFile, 1);
103 symfile->filename = g_strdup_printf ("%s.mdb", mono_image_get_filename (handle->image));
105 if (!g_file_get_contents (symfile->filename, &symfile->raw_contents,
106 &symfile->raw_contents_size, NULL))
107 symfile->raw_contents = NULL;
109 if (load_symfile (handle, symfile)) {
110 mono_loader_unlock ();
112 } else if (!create_symfile) {
113 mono_debug_close_mono_symbol_file (symfile);
114 mono_loader_unlock ();
118 mono_loader_unlock ();
123 mono_debug_close_mono_symbol_file (MonoSymbolFile *symfile)
129 if (symfile->method_hash)
130 g_hash_table_destroy (symfile->method_hash);
133 mono_loader_unlock ();
137 read_leb128 (const char *ptr, const char **rptr)
146 ret = ret | ((b & 0x7f) << shift);
148 } while ((b & 0x80) == 0x80);
157 read_string (const char *ptr)
159 int len = read_leb128 (ptr, &ptr);
160 return g_filename_from_utf8 (ptr, len, NULL, NULL, NULL);
164 mono_debug_find_source_location (MonoSymbolFile *symfile, MonoMethod *method, guint32 offset,
165 guint32 *line_number)
167 MonoSymbolFileLineNumberEntry *lne;
168 MonoDebugMethodInfo *minfo;
169 gchar *source_file = NULL;
174 if (!symfile->method_hash) {
175 mono_loader_unlock ();
179 minfo = g_hash_table_lookup (symfile->method_hash, method);
181 mono_loader_unlock ();
185 if (read32(&(minfo->entry->_source_index))) {
186 int offset = read32(&(symfile->offset_table->_source_table_offset)) +
187 (read32(&(minfo->entry->_source_index)) - 1) * sizeof (MonoSymbolFileSourceEntry);
188 MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *) (symfile->raw_contents + offset);
190 source_file = read_string (symfile->raw_contents + read32(&(se->_name_offset)));
193 ptr = symfile->raw_contents + read32(&(minfo->entry->_line_number_table_offset));
195 lne = (MonoSymbolFileLineNumberEntry *) ptr;
197 for (i = 0; i < read32(&(minfo->entry->_num_line_numbers)); i++, lne++) {
198 if (read32(&(lne->_offset)) < offset)
202 *line_number = read32(&(lne->_row));
203 mono_loader_unlock ();
208 } else if (source_file) {
209 gchar *retval = g_strdup_printf ("%s:%d", source_file, read32(&(lne->_row)));
210 g_free (source_file);
211 mono_loader_unlock ();
214 gchar* retval = g_strdup_printf ("%d", read32(&(lne->_row)));
215 mono_loader_unlock ();
220 mono_loader_unlock ();
225 _mono_debug_address_from_il_offset (MonoDebugMethodJitInfo *jit, guint32 il_offset)
229 if (!jit || !jit->line_numbers)
232 for (i = jit->line_numbers->len - 1; i >= 0; i--) {
233 MonoDebugLineNumberEntry lne = g_array_index (
234 jit->line_numbers, MonoDebugLineNumberEntry, i);
236 if (lne.offset <= il_offset)
244 compare_method (const void *key, const void *object)
246 guint32 token = GPOINTER_TO_UINT (key);
247 MonoSymbolFileMethodIndexEntry *me = (MonoSymbolFileMethodIndexEntry*)object;
249 return token - read32(&(me->_token));
252 MonoDebugMethodInfo *
253 mono_debug_find_method (MonoDebugHandle *handle, MonoMethod *method)
255 MonoSymbolFileMethodEntry *me;
256 MonoSymbolFileMethodIndexEntry *first_ie, *ie;
257 MonoDebugMethodInfo *minfo;
258 MonoSymbolFile *symfile = handle->symfile;
260 if (!symfile->method_hash)
263 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);
275 mono_loader_unlock ();
279 me = (MonoSymbolFileMethodEntry *) (symfile->raw_contents + read32(&(ie->_file_offset)));
281 minfo = g_new0 (MonoDebugMethodInfo, 1);
282 minfo->index = (ie - first_ie) + 1;
283 minfo->method = method;
284 minfo->handle = handle;
285 minfo->num_il_offsets = read32(&(me->_num_line_numbers));
286 minfo->il_offsets = (MonoSymbolFileLineNumberEntry *)
287 (symfile->raw_contents + read32(&(me->_line_number_table_offset)));
290 g_hash_table_insert (symfile->method_hash, method, minfo);
292 mono_loader_unlock ();