2 * trace.c: Tracing facilities for the Mono Runtime.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002 Ximian, Inc.
21 #include <mono/metadata/debug-helpers.h>
22 #include <mono/metadata/assembly.h>
23 #include <mono/utils/mono-time.h>
26 static MonoTraceSpec trace_spec;
29 mono_trace_eval (MonoMethod *method)
34 for (i = 0; i < trace_spec.len; i++){
35 MonoTraceOperation *op = &trace_spec.ops [i];
39 case MONO_TRACEOP_ALL:
41 case MONO_TRACEOP_PROGRAM:
42 if (trace_spec.assembly && (method->klass->image == mono_assembly_get_image (trace_spec.assembly)))
44 case MONO_TRACEOP_METHOD:
45 if (mono_method_desc_full_match ((MonoMethodDesc *) op->data, method))
47 case MONO_TRACEOP_CLASS:
48 if (strcmp (method->klass->name_space, op->data) == 0)
49 if (strcmp (method->klass->name, op->data2) == 0)
52 case MONO_TRACEOP_ASSEMBLY:
53 if (strcmp (mono_image_get_name (method->klass->image), op->data) == 0)
55 case MONO_TRACEOP_NAMESPACE:
56 if (strcmp (method->klass->name_space, op->data) == 0)
68 static int is_filenamechar (char p)
70 if (p >= 'A' && p <= 'Z')
72 if (p >= 'a' && p <= 'z')
74 if (p >= '0' && p <= '9')
76 if (p == '.' || p == ':' || p == '_' || p == '-')
84 static void get_string (void)
87 while (is_filenamechar (*input)){
92 value = g_malloc (input - start + 1);
93 strncpy (value, start, input-start);
94 value [input-start] = 0;
114 while (input [0] == '+')
117 if (input [0] == '\0') {
120 if (input [0] == 'M' && input [1] == ':'){
125 if (input [0] == 'N' && input [1] == ':'){
128 return TOKEN_NAMESPACE;
130 if (input [0] == 'T' && input [1] == ':'){
137 return TOKEN_EXCLUDE;
139 if (is_filenamechar (*input)){
141 if (strcmp (value, "all") == 0)
143 if (strcmp (value, "program") == 0)
144 return TOKEN_PROGRAM;
145 if (strcmp (value, "disabled") == 0)
146 return TOKEN_DISABLED;
151 return TOKEN_SEPARATOR;
154 fprintf (stderr, "Syntax error at or around '%s'\n", input);
168 int token = get_token ();
169 if (token == TOKEN_EXCLUDE){
170 token = get_spec (last);
171 if (token == TOKEN_EXCLUDE){
172 fprintf (stderr, "Expecting an expression");
175 if (token == TOKEN_ERROR)
177 trace_spec.ops [(*last)-1].exclude = 1;
178 return TOKEN_SEPARATOR;
180 if (token == TOKEN_END || token == TOKEN_SEPARATOR || token == TOKEN_ERROR)
183 if (token == TOKEN_METHOD){
184 MonoMethodDesc *desc = mono_method_desc_new (value, TRUE);
186 fprintf (stderr, "Invalid method name: %s\n", value);
189 trace_spec.ops [*last].op = MONO_TRACEOP_METHOD;
190 trace_spec.ops [*last].data = desc;
191 } else if (token == TOKEN_ALL)
192 trace_spec.ops [*last].op = MONO_TRACEOP_ALL;
193 else if (token == TOKEN_PROGRAM)
194 trace_spec.ops [*last].op = MONO_TRACEOP_PROGRAM;
195 else if (token == TOKEN_NAMESPACE){
196 trace_spec.ops [*last].op = MONO_TRACEOP_NAMESPACE;
197 trace_spec.ops [*last].data = g_strdup (value);
198 } else if (token == TOKEN_CLASS){
199 char *p = strrchr (value, '.');
202 trace_spec.ops [*last].data = g_strdup (value);
203 trace_spec.ops [*last].data2 = g_strdup (p);
206 trace_spec.ops [*last].data = g_strdup ("");
207 trace_spec.ops [*last].data2 = g_strdup (value);
209 trace_spec.ops [*last].op = MONO_TRACEOP_CLASS;
210 } else if (token == TOKEN_STRING){
211 trace_spec.ops [*last].op = MONO_TRACEOP_ASSEMBLY;
212 trace_spec.ops [*last].data = g_strdup (value);
213 } else if (token == TOKEN_DISABLED) {
214 trace_spec.enabled = FALSE;
216 fprintf (stderr, "Syntax error in trace option specification\n");
220 return TOKEN_SEPARATOR;
224 mono_trace_parse_options (const char *options)
226 char *p = (char*)options;
231 trace_spec.enabled = TRUE;
234 trace_spec.ops = g_new0 (MonoTraceOperation, 1);
235 trace_spec.ops [0].op = MONO_TRACEOP_ALL;
239 for (p = (char*)options; *p != 0; p++)
243 trace_spec.ops = g_new0 (MonoTraceOperation, size);
245 input = (char*)options;
248 while ((token = (get_spec (&last_used))) != TOKEN_END){
249 if (token == TOKEN_ERROR)
251 if (token == TOKEN_SEPARATOR)
254 trace_spec.len = last_used;
260 mono_trace_set_assembly (MonoAssembly *assembly)
262 trace_spec.assembly = assembly;
266 #ifdef HAVE_KW_THREAD
269 int indent_level = 0;
270 static guint64 start_time = 0;
272 static double seconds_since_start (void)
274 guint64 diff = mono_100ns_ticks () - start_time;
275 return diff/10000000.0;
278 static void indent (int diff) {
281 indent_level += diff;
284 start_time = mono_100ns_ticks ();
285 printf ("[%p: %.5f %d] ", (void*)GetCurrentThreadId (), seconds_since_start (), indent_level);
287 indent_level += diff;
291 string_to_utf8 (MonoString *s)
294 GError *error = NULL;
299 return g_strdup ("");
301 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, NULL, &error);
303 /* Happens with StringBuilders */
304 g_error_free (error);
305 return g_strdup ("<INVALID UTF8>");
312 * cpos (ebp + arg_info[n].offset) points to the beginning of the
313 * stack slot for this argument. On little-endian systems, we can
314 * simply dereference it. On big-endian systems, we need to adjust
315 * cpos upward first if the datatype we're referencing is smaller than
316 * a stack slot. Also - one can't assume that gpointer is also the
317 * size of a stack slot - use SIZEOF_REGISTER instead. The following
318 * helper macro tries to keep down the mess of all the pointer
321 #if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
322 #define arg_in_stack_slot(cpos, type) ((type *)(cpos))
324 #define arg_in_stack_slot(cpos, type) ((type *)((sizeof(type) < SIZEOF_REGISTER) ? (((gssize)(cpos)) + SIZEOF_REGISTER - sizeof(type)) : (gssize)(cpos)))
328 mono_trace_enter_method (MonoMethod *method, char *ebp)
333 MonoJitArgumentInfo *arg_info;
334 MonoMethodSignature *sig;
337 if (!trace_spec.enabled)
340 fname = mono_method_full_name (method, TRUE);
342 printf ("ENTER: %s(", fname);
346 printf (") ip: %p\n", __builtin_return_address (1));
350 sig = mono_method_signature (method);
352 arg_info = alloca (sizeof (MonoJitArgumentInfo) * (sig->param_count + 1));
354 mono_arch_get_argument_info (sig, sig->param_count, arg_info);
356 if (MONO_TYPE_ISSTRUCT (mono_method_signature (method)->ret)) {
357 g_assert (!mono_method_signature (method)->ret->byref);
359 printf ("VALUERET:%p, ", *((gpointer *)(ebp + 8)));
362 if (mono_method_signature (method)->hasthis) {
363 gpointer *this = (gpointer *)(ebp + arg_info [0].offset);
364 if (method->klass->valuetype) {
365 printf ("value:%p, ", *arg_in_stack_slot(this, gpointer *));
367 o = *arg_in_stack_slot(this, MonoObject *);
370 class = o->vtable->klass;
372 if (class == mono_defaults.string_class) {
373 MonoString *s = (MonoString*)o;
374 char *as = string_to_utf8 (s);
376 printf ("this:[STRING:%p:%s], ", o, as);
379 printf ("this:%p[%s.%s %s], ", o, class->name_space, class->name, o->vtable->domain->friendly_name);
382 printf ("this:NULL, ");
386 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
387 gpointer *cpos = (gpointer *)(ebp + arg_info [i + 1].offset);
388 int size = arg_info [i + 1].size;
390 MonoType *type = mono_method_signature (method)->params [i];
393 printf ("[BYREF:%p], ", *arg_in_stack_slot(cpos, gpointer *));
394 } else switch (mono_type_get_underlying_type (type)->type) {
398 printf ("%p, ", *arg_in_stack_slot(cpos, gpointer *));
400 case MONO_TYPE_BOOLEAN:
404 printf ("%d, ", *arg_in_stack_slot(cpos, gint8));
408 printf ("%d, ", *arg_in_stack_slot(cpos, gint16));
412 printf ("%d, ", *arg_in_stack_slot(cpos, int));
414 case MONO_TYPE_STRING: {
415 MonoString *s = *arg_in_stack_slot(cpos, MonoString *);
419 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
420 as = string_to_utf8 (s);
422 printf ("[STRING:%p:%s], ", s, as);
425 printf ("[STRING:null], ");
428 case MONO_TYPE_CLASS:
429 case MONO_TYPE_OBJECT: {
430 o = *arg_in_stack_slot(cpos, MonoObject *);
432 class = o->vtable->klass;
434 if (class == mono_defaults.string_class) {
435 char *as = string_to_utf8 ((MonoString*)o);
437 printf ("[STRING:%p:%s], ", o, as);
439 } else if (class == mono_defaults.int32_class) {
440 printf ("[INT32:%p:%d], ", o, *(gint32 *)((char *)o + sizeof (MonoObject)));
441 } else if (class == mono_defaults.monotype_class) {
442 printf ("[TYPE:%s], ", mono_type_full_name (((MonoReflectionType*)o)->type));
444 printf ("[%s.%s:%p], ", class->name_space, class->name, o);
446 printf ("%p, ", *arg_in_stack_slot(cpos, gpointer));
451 case MONO_TYPE_FNPTR:
452 case MONO_TYPE_ARRAY:
453 case MONO_TYPE_SZARRAY:
454 printf ("%p, ", *arg_in_stack_slot(cpos, gpointer));
458 printf ("0x%016llx, ", (long long)*arg_in_stack_slot(cpos, gint64));
461 printf ("%f, ", *arg_in_stack_slot(cpos, float));
464 printf ("%f, ", *arg_in_stack_slot(cpos, double));
466 case MONO_TYPE_VALUETYPE:
468 for (j = 0; j < size; j++)
469 printf ("%02x,", *((guint8*)cpos +j));
482 mono_trace_leave_method (MonoMethod *method, ...)
488 if (!trace_spec.enabled)
491 va_start(ap, method);
493 fname = mono_method_full_name (method, TRUE);
495 printf ("LEAVE: %s", fname);
498 type = mono_method_signature (method)->ret;
501 switch (type->type) {
504 case MONO_TYPE_BOOLEAN: {
505 int eax = va_arg (ap, int);
507 printf ("TRUE:%d", eax);
522 int eax = va_arg (ap, int);
523 printf ("result=%d", eax);
526 case MONO_TYPE_STRING: {
527 MonoString *s = va_arg (ap, MonoString *);
532 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
533 as = string_to_utf8 (s);
534 printf ("[STRING:%p:%s]", s, as);
537 printf ("[STRING:null], ");
540 case MONO_TYPE_CLASS:
541 case MONO_TYPE_OBJECT: {
542 MonoObject *o = va_arg (ap, MonoObject *);
545 if (o->vtable->klass == mono_defaults.boolean_class) {
546 printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
547 } else if (o->vtable->klass == mono_defaults.int32_class) {
548 printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
549 } else if (o->vtable->klass == mono_defaults.int64_class) {
550 printf ("[INT64:%p:%lld]", o, (long long)*((gint64 *)((char *)o + sizeof (MonoObject))));
552 printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
554 printf ("[OBJECT:%p]", o);
559 case MONO_TYPE_FNPTR:
560 case MONO_TYPE_ARRAY:
561 case MONO_TYPE_SZARRAY: {
562 gpointer p = va_arg (ap, gpointer);
563 printf ("result=%p", p);
567 gint64 l = va_arg (ap, gint64);
568 printf ("lresult=0x%16llx", (long long)l);
572 gint64 l = va_arg (ap, gint64);
573 printf ("lresult=0x%16llx", (long long)l);
578 double f = va_arg (ap, double);
579 printf ("FP=%f\n", f);
582 case MONO_TYPE_VALUETYPE:
583 if (type->data.klass->enumtype) {
584 type = mono_class_enum_basetype (type->data.klass);
587 guint8 *p = va_arg (ap, gpointer);
589 size = mono_type_size (type, &align);
591 for (j = 0; p && j < size; j++)
592 printf ("%02x,", p [j]);
597 printf ("(unknown return type %x)", mono_method_signature (method)->ret->type);
600 //printf (" ip: %p\n", __builtin_return_address (1));
606 mono_trace_enable (gboolean enable)
608 trace_spec.enabled = enable;
612 mono_trace_is_enabled ()
614 return trace_spec.enabled;