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>
21 #define RANGE_TABLE_CHUNK_SIZE 256
22 #define CLASS_TABLE_CHUNK_SIZE 256
23 #define TYPE_TABLE_PTR_CHUNK_SIZE 256
24 #define TYPE_TABLE_CHUNK_SIZE 65536
27 free_method_info (MonoDebugMethodInfo *minfo)
33 get_class_name (MonoClass *klass)
35 MonoClass *nested_in = mono_class_get_nesting_type (klass);
36 const char *name_space;
38 gchar *parent_name = get_class_name (nested_in);
39 gchar *name = g_strdup_printf ("%s.%s", parent_name, mono_class_get_name (klass));
44 name_space = mono_class_get_namespace (klass);
45 return g_strdup_printf ("%s%s%s", name_space,
46 name_space [0] ? "." : "", mono_class_get_name (klass));
50 load_symfile (MonoDebugHandle *handle, MonoSymbolFile *symfile)
52 const char *ptr, *start;
57 ptr = start = symfile->raw_contents;
62 ptr += sizeof(guint64);
63 if (magic != MONO_SYMBOL_FILE_MAGIC) {
64 g_warning ("Symbol file %s is not a mono symbol file", symfile->filename);
68 version = read32(ptr);
69 ptr += sizeof(guint32);
70 if (version != MONO_SYMBOL_FILE_VERSION) {
71 g_warning ("Symbol file %s has incorrect version "
72 "(expected %d, got %ld)", symfile->filename,
73 MONO_SYMBOL_FILE_VERSION, version);
77 guid = mono_guid_to_string ((const guint8 *) ptr);
80 if (strcmp (handle->image->guid, guid)) {
81 g_warning ("Symbol file %s doesn't match image %s", symfile->filename,
86 symfile->offset_table = (MonoSymbolFileOffsetTable *) ptr;
88 symfile->method_hash = g_hash_table_new_full (
89 g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) free_method_info);
95 mono_debug_open_mono_symbol_file (MonoDebugHandle *handle, gboolean create_symfile)
97 MonoSymbolFile *symfile;
99 symfile = g_new0 (MonoSymbolFile, 1);
101 symfile->filename = g_strdup_printf ("%s.mdb", mono_image_get_filename (handle->image));
103 if (!g_file_get_contents (symfile->filename, &symfile->raw_contents,
104 &symfile->raw_contents_size, NULL))
105 symfile->raw_contents = NULL;
107 if (load_symfile (handle, symfile))
109 else if (!create_symfile) {
110 mono_debug_close_mono_symbol_file (symfile);
118 mono_debug_close_mono_symbol_file (MonoSymbolFile *symfile)
123 if (symfile->method_hash)
124 g_hash_table_destroy (symfile->method_hash);
130 read_string (const char *ptr)
132 int len = read32 (ptr);
133 ptr += sizeof(guint32);
134 return g_filename_from_utf8 (ptr, len, NULL, NULL, NULL);
138 mono_debug_find_source_location (MonoSymbolFile *symfile, MonoMethod *method, guint32 offset,
139 guint32 *line_number)
141 MonoSymbolFileLineNumberEntry *lne;
142 MonoDebugMethodInfo *minfo;
143 gchar *source_file = NULL;
147 if (!symfile->method_hash)
150 minfo = g_hash_table_lookup (symfile->method_hash, method);
154 if (read32(&(minfo->entry->_source_index))) {
155 int offset = read32(&(symfile->offset_table->_source_table_offset)) +
156 (read32(&(minfo->entry->_source_index)) - 1) * sizeof (MonoSymbolFileSourceEntry);
157 MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *) (symfile->raw_contents + offset);
159 source_file = read_string (symfile->raw_contents + read32(&(se->_name_offset)));
162 ptr = symfile->raw_contents + read32(&(minfo->entry->_line_number_table_offset));
164 lne = (MonoSymbolFileLineNumberEntry *) ptr;
166 for (i = 0; i < read32(&(minfo->entry->_num_line_numbers)); i++, lne++) {
167 if (read32(&(lne->_offset)) < offset)
171 *line_number = read32(&(lne->_row));
176 } else if (source_file) {
177 gchar *retval = g_strdup_printf ("%s:%d", source_file, read32(&(lne->_row)));
178 g_free (source_file);
181 return g_strdup_printf ("%d", read32(&(lne->_row)));
188 _mono_debug_address_from_il_offset (MonoDebugMethodJitInfo *jit, guint32 il_offset)
192 if (!jit || !jit->line_numbers)
195 for (i = jit->line_numbers->len - 1; i >= 0; i--) {
196 MonoDebugLineNumberEntry lne = g_array_index (
197 jit->line_numbers, MonoDebugLineNumberEntry, i);
199 if (lne.offset <= il_offset)
207 compare_method (const void *key, const void *object)
209 guint32 token = GPOINTER_TO_UINT (key);
210 MonoSymbolFileMethodIndexEntry *me = (MonoSymbolFileMethodIndexEntry*)object;
212 return token - read32(&(me->_token));
215 MonoDebugMethodInfo *
216 mono_debug_find_method (MonoDebugHandle *handle, MonoMethod *method)
218 MonoSymbolFileMethodEntry *me;
219 MonoSymbolFileMethodIndexEntry *first_ie, *ie;
220 MonoDebugMethodInfo *minfo;
221 MonoSymbolFile *symfile = handle->symfile;
223 if (!symfile->method_hash)
226 if (handle->image != mono_class_get_image (mono_method_get_class (method)))
229 first_ie = (MonoSymbolFileMethodIndexEntry *)
230 (symfile->raw_contents + read32(&(symfile->offset_table->_method_table_offset)));
232 ie = bsearch (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
233 read32(&(symfile->offset_table->_method_count)),
234 sizeof (MonoSymbolFileMethodIndexEntry), compare_method);
239 me = (MonoSymbolFileMethodEntry *) (symfile->raw_contents + read32(&(ie->_file_offset)));
241 minfo = g_new0 (MonoDebugMethodInfo, 1);
242 minfo->index = (ie - first_ie) + 1;
243 minfo->method = method;
244 minfo->handle = handle;
245 minfo->num_il_offsets = read32(&(me->_num_line_numbers));
246 minfo->il_offsets = (MonoSymbolFileLineNumberEntry *)
247 (symfile->raw_contents + read32(&(me->_line_number_table_offset)));
250 g_hash_table_insert (symfile->method_hash, method, minfo);