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_leb128 (const char *ptr, const char **rptr)
139 ret = ret | ((b & 0x7f) << shift);
141 } while ((b & 0x80) == 0x80);
150 read_string (const char *ptr)
152 int len = read_leb128 (ptr, &ptr);
153 return g_filename_from_utf8 (ptr, len, NULL, NULL, NULL);
157 mono_debug_find_source_location (MonoSymbolFile *symfile, MonoMethod *method, guint32 offset,
158 guint32 *line_number)
160 MonoSymbolFileLineNumberEntry *lne;
161 MonoDebugMethodInfo *minfo;
162 gchar *source_file = NULL;
166 if (!symfile->method_hash)
169 minfo = g_hash_table_lookup (symfile->method_hash, method);
173 if (read32(&(minfo->entry->_source_index))) {
174 int offset = read32(&(symfile->offset_table->_source_table_offset)) +
175 (read32(&(minfo->entry->_source_index)) - 1) * sizeof (MonoSymbolFileSourceEntry);
176 MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *) (symfile->raw_contents + offset);
178 source_file = read_string (symfile->raw_contents + read32(&(se->_name_offset)));
181 ptr = symfile->raw_contents + read32(&(minfo->entry->_line_number_table_offset));
183 lne = (MonoSymbolFileLineNumberEntry *) ptr;
185 for (i = 0; i < read32(&(minfo->entry->_num_line_numbers)); i++, lne++) {
186 if (read32(&(lne->_offset)) < offset)
190 *line_number = read32(&(lne->_row));
195 } else if (source_file) {
196 gchar *retval = g_strdup_printf ("%s:%d", source_file, read32(&(lne->_row)));
197 g_free (source_file);
200 return g_strdup_printf ("%d", read32(&(lne->_row)));
207 _mono_debug_address_from_il_offset (MonoDebugMethodJitInfo *jit, guint32 il_offset)
211 if (!jit || !jit->line_numbers)
214 for (i = jit->line_numbers->len - 1; i >= 0; i--) {
215 MonoDebugLineNumberEntry lne = g_array_index (
216 jit->line_numbers, MonoDebugLineNumberEntry, i);
218 if (lne.offset <= il_offset)
226 compare_method (const void *key, const void *object)
228 guint32 token = GPOINTER_TO_UINT (key);
229 MonoSymbolFileMethodIndexEntry *me = (MonoSymbolFileMethodIndexEntry*)object;
231 return token - read32(&(me->_token));
234 MonoDebugMethodInfo *
235 mono_debug_find_method (MonoDebugHandle *handle, MonoMethod *method)
237 MonoSymbolFileMethodEntry *me;
238 MonoSymbolFileMethodIndexEntry *first_ie, *ie;
239 MonoDebugMethodInfo *minfo;
240 MonoSymbolFile *symfile = handle->symfile;
242 if (!symfile->method_hash)
245 if (handle->image != mono_class_get_image (mono_method_get_class (method)))
248 first_ie = (MonoSymbolFileMethodIndexEntry *)
249 (symfile->raw_contents + read32(&(symfile->offset_table->_method_table_offset)));
251 ie = bsearch (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
252 read32(&(symfile->offset_table->_method_count)),
253 sizeof (MonoSymbolFileMethodIndexEntry), compare_method);
258 me = (MonoSymbolFileMethodEntry *) (symfile->raw_contents + read32(&(ie->_file_offset)));
260 minfo = g_new0 (MonoDebugMethodInfo, 1);
261 minfo->index = (ie - first_ie) + 1;
262 minfo->method = method;
263 minfo->handle = handle;
264 minfo->num_il_offsets = read32(&(me->_num_line_numbers));
265 minfo->il_offsets = (MonoSymbolFileLineNumberEntry *)
266 (symfile->raw_contents + read32(&(me->_line_number_table_offset)));
269 g_hash_table_insert (symfile->method_hash, method, minfo);