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.
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
22 #include <mono/metadata/debug-helpers.h>
23 #include <mono/metadata/assembly.h>
24 #include <mono/utils/mono-time.h>
27 static MonoTraceSpec trace_spec;
30 mono_trace_eval_exception (MonoClass *klass)
38 for (i = 0; i < trace_spec.len; i++) {
39 MonoTraceOperation *op = &trace_spec.ops [i];
43 case MONO_TRACEOP_EXCEPTION:
44 if (strcmp ("", op->data) == 0 && strcmp ("all", op->data2) == 0)
46 else if (strcmp ("", op->data) == 0 || strcmp (klass->name_space, op->data) == 0)
47 if (strcmp (klass->name, op->data2) == 0)
64 mono_trace_eval (MonoMethod *method)
69 for (i = 0; i < trace_spec.len; i++){
70 MonoTraceOperation *op = &trace_spec.ops [i];
74 case MONO_TRACEOP_ALL:
76 case MONO_TRACEOP_PROGRAM:
77 if (trace_spec.assembly && (method->klass->image == mono_assembly_get_image (trace_spec.assembly)))
79 case MONO_TRACEOP_METHOD:
80 if (mono_method_desc_full_match ((MonoMethodDesc *) op->data, method))
82 case MONO_TRACEOP_CLASS:
83 if (strcmp (method->klass->name_space, op->data) == 0)
84 if (strcmp (method->klass->name, op->data2) == 0)
87 case MONO_TRACEOP_ASSEMBLY:
88 if (strcmp (mono_image_get_name (method->klass->image), op->data) == 0)
90 case MONO_TRACEOP_NAMESPACE:
91 if (strcmp (method->klass->name_space, op->data) == 0)
93 case MONO_TRACEOP_EXCEPTION:
105 static int is_filenamechar (char p)
107 if (p >= 'A' && p <= 'Z')
109 if (p >= 'a' && p <= 'z')
111 if (p >= '0' && p <= '9')
113 if (p == '.' || p == ':' || p == '_' || p == '-')
121 static void get_string (void)
124 while (is_filenamechar (*input)){
129 value = g_malloc (input - start + 1);
130 strncpy (value, start, input-start);
131 value [input-start] = 0;
152 while (input [0] == '+')
155 if (input [0] == '\0') {
158 if (input [0] == 'M' && input [1] == ':'){
163 if (input [0] == 'N' && input [1] == ':'){
166 return TOKEN_NAMESPACE;
168 if (input [0] == 'T' && input [1] == ':'){
173 if (input [0] == 'E' && input [1] == ':'){
176 return TOKEN_EXCEPTION;
180 return TOKEN_EXCLUDE;
182 if (is_filenamechar (*input)){
184 if (strcmp (value, "all") == 0)
186 if (strcmp (value, "program") == 0)
187 return TOKEN_PROGRAM;
188 if (strcmp (value, "disabled") == 0)
189 return TOKEN_DISABLED;
194 return TOKEN_SEPARATOR;
197 fprintf (stderr, "Syntax error at or around '%s'\n", input);
211 int token = get_token ();
212 if (token == TOKEN_EXCLUDE){
213 token = get_spec (last);
214 if (token == TOKEN_EXCLUDE){
215 fprintf (stderr, "Expecting an expression");
218 if (token == TOKEN_ERROR)
220 trace_spec.ops [(*last)-1].exclude = 1;
221 return TOKEN_SEPARATOR;
223 if (token == TOKEN_END || token == TOKEN_SEPARATOR || token == TOKEN_ERROR)
226 if (token == TOKEN_METHOD){
227 MonoMethodDesc *desc = mono_method_desc_new (value, TRUE);
229 fprintf (stderr, "Invalid method name: %s\n", value);
232 trace_spec.ops [*last].op = MONO_TRACEOP_METHOD;
233 trace_spec.ops [*last].data = desc;
234 } else if (token == TOKEN_ALL)
235 trace_spec.ops [*last].op = MONO_TRACEOP_ALL;
236 else if (token == TOKEN_PROGRAM)
237 trace_spec.ops [*last].op = MONO_TRACEOP_PROGRAM;
238 else if (token == TOKEN_NAMESPACE){
239 trace_spec.ops [*last].op = MONO_TRACEOP_NAMESPACE;
240 trace_spec.ops [*last].data = g_strdup (value);
241 } else if (token == TOKEN_CLASS || token == TOKEN_EXCEPTION){
242 char *p = strrchr (value, '.');
245 trace_spec.ops [*last].data = g_strdup (value);
246 trace_spec.ops [*last].data2 = g_strdup (p);
249 trace_spec.ops [*last].data = g_strdup ("");
250 trace_spec.ops [*last].data2 = g_strdup (value);
252 trace_spec.ops [*last].op = token == TOKEN_CLASS ? MONO_TRACEOP_CLASS : MONO_TRACEOP_EXCEPTION;
253 } else if (token == TOKEN_STRING){
254 trace_spec.ops [*last].op = MONO_TRACEOP_ASSEMBLY;
255 trace_spec.ops [*last].data = g_strdup (value);
256 } else if (token == TOKEN_DISABLED) {
257 trace_spec.enabled = FALSE;
259 fprintf (stderr, "Syntax error in trace option specification\n");
263 return TOKEN_SEPARATOR;
267 mono_trace_parse_options (const char *options)
269 char *p = (char*)options;
274 trace_spec.enabled = TRUE;
277 trace_spec.ops = g_new0 (MonoTraceOperation, 1);
278 trace_spec.ops [0].op = MONO_TRACEOP_ALL;
282 for (p = (char*)options; *p != 0; p++)
286 trace_spec.ops = g_new0 (MonoTraceOperation, size);
288 input = (char*)options;
291 while ((token = (get_spec (&last_used))) != TOKEN_END){
292 if (token == TOKEN_ERROR)
294 if (token == TOKEN_SEPARATOR)
297 trace_spec.len = last_used;
303 mono_trace_set_assembly (MonoAssembly *assembly)
305 trace_spec.assembly = assembly;
309 #ifdef HAVE_KW_THREAD
312 int indent_level = 0;
313 static guint64 start_time = 0;
315 static double seconds_since_start (void)
317 guint64 diff = mono_100ns_ticks () - start_time;
318 return diff/10000000.0;
321 static void indent (int diff) {
323 indent_level += diff;
325 start_time = mono_100ns_ticks ();
326 printf ("[%p: %.5f %d] ", (void*)GetCurrentThreadId (), seconds_since_start (), indent_level);
328 indent_level += diff;
332 string_to_utf8 (MonoString *s)
335 GError *error = NULL;
340 return g_strdup ("");
342 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, NULL, &error);
344 /* Happens with StringBuilders */
345 g_error_free (error);
346 return g_strdup ("<INVALID UTF8>");
353 * cpos (ebp + arg_info[n].offset) points to the beginning of the
354 * stack slot for this argument. On little-endian systems, we can
355 * simply dereference it. On big-endian systems, we need to adjust
356 * cpos upward first if the datatype we're referencing is smaller than
357 * a stack slot. Also - one can't assume that gpointer is also the
358 * size of a stack slot - use SIZEOF_REGISTER instead. The following
359 * helper macro tries to keep down the mess of all the pointer
362 #if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
363 #define arg_in_stack_slot(cpos, type) ((type *)(cpos))
365 #define arg_in_stack_slot(cpos, type) ((type *)((sizeof(type) < SIZEOF_REGISTER) ? (((gssize)(cpos)) + SIZEOF_REGISTER - sizeof(type)) : (gssize)(cpos)))
369 mono_trace_enter_method (MonoMethod *method, char *ebp)
374 MonoJitArgumentInfo *arg_info;
375 MonoMethodSignature *sig;
378 if (!trace_spec.enabled)
381 fname = mono_method_full_name (method, TRUE);
383 printf ("ENTER: %s(", fname);
387 printf (") ip: %p\n", __builtin_return_address (1));
391 sig = mono_method_signature (method);
393 arg_info = alloca (sizeof (MonoJitArgumentInfo) * (sig->param_count + 1));
395 mono_arch_get_argument_info (NULL, sig, sig->param_count, arg_info);
397 if (MONO_TYPE_ISSTRUCT (mono_method_signature (method)->ret)) {
398 g_assert (!mono_method_signature (method)->ret->byref);
400 printf ("VALUERET:%p, ", *((gpointer *)(ebp + 8)));
403 if (mono_method_signature (method)->hasthis) {
404 gpointer *this = (gpointer *)(ebp + arg_info [0].offset);
405 if (method->klass->valuetype) {
406 printf ("value:%p, ", *arg_in_stack_slot(this, gpointer *));
408 o = *arg_in_stack_slot(this, MonoObject *);
411 class = o->vtable->klass;
413 if (class == mono_defaults.string_class) {
414 MonoString *s = (MonoString*)o;
415 char *as = string_to_utf8 (s);
417 printf ("this:[STRING:%p:%s], ", o, as);
420 printf ("this:%p[%s.%s %s], ", o, class->name_space, class->name, o->vtable->domain->friendly_name);
423 printf ("this:NULL, ");
427 for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
428 gpointer *cpos = (gpointer *)(ebp + arg_info [i + 1].offset);
429 int size = arg_info [i + 1].size;
431 MonoType *type = mono_method_signature (method)->params [i];
434 printf ("[BYREF:%p], ", *arg_in_stack_slot(cpos, gpointer *));
435 } else switch (mono_type_get_underlying_type (type)->type) {
439 printf ("%p, ", *arg_in_stack_slot(cpos, gpointer *));
441 case MONO_TYPE_BOOLEAN:
445 printf ("%d, ", *arg_in_stack_slot(cpos, gint8));
449 printf ("%d, ", *arg_in_stack_slot(cpos, gint16));
453 printf ("%d, ", *arg_in_stack_slot(cpos, int));
455 case MONO_TYPE_STRING: {
456 MonoString *s = *arg_in_stack_slot(cpos, MonoString *);
460 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
461 as = string_to_utf8 (s);
463 printf ("[STRING:%p:%s], ", s, as);
466 printf ("[STRING:null], ");
469 case MONO_TYPE_CLASS:
470 case MONO_TYPE_OBJECT: {
471 o = *arg_in_stack_slot(cpos, MonoObject *);
473 class = o->vtable->klass;
475 if (class == mono_defaults.string_class) {
476 char *as = string_to_utf8 ((MonoString*)o);
478 printf ("[STRING:%p:%s], ", o, as);
480 } else if (class == mono_defaults.int32_class) {
481 printf ("[INT32:%p:%d], ", o, *(gint32 *)((char *)o + sizeof (MonoObject)));
482 } else if (class == mono_defaults.monotype_class) {
483 printf ("[TYPE:%s], ", mono_type_full_name (((MonoReflectionType*)o)->type));
485 printf ("[%s.%s:%p], ", class->name_space, class->name, o);
487 printf ("%p, ", *arg_in_stack_slot(cpos, gpointer));
492 case MONO_TYPE_FNPTR:
493 case MONO_TYPE_ARRAY:
494 case MONO_TYPE_SZARRAY:
495 printf ("%p, ", *arg_in_stack_slot(cpos, gpointer));
499 printf ("0x%016llx, ", (long long)*arg_in_stack_slot(cpos, gint64));
502 printf ("%f, ", *arg_in_stack_slot(cpos, float));
505 printf ("%f, ", *arg_in_stack_slot(cpos, double));
507 case MONO_TYPE_VALUETYPE:
509 for (j = 0; j < size; j++)
510 printf ("%02x,", *((guint8*)cpos +j));
523 mono_trace_leave_method (MonoMethod *method, ...)
529 if (!trace_spec.enabled)
532 va_start(ap, method);
534 fname = mono_method_full_name (method, TRUE);
536 printf ("LEAVE: %s", fname);
539 type = mono_method_signature (method)->ret;
542 switch (type->type) {
545 case MONO_TYPE_BOOLEAN: {
546 int eax = va_arg (ap, int);
548 printf ("TRUE:%d", eax);
563 int eax = va_arg (ap, int);
564 printf ("result=%d", eax);
567 case MONO_TYPE_STRING: {
568 MonoString *s = va_arg (ap, MonoString *);
573 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
574 as = string_to_utf8 (s);
575 printf ("[STRING:%p:%s]", s, as);
578 printf ("[STRING:null], ");
581 case MONO_TYPE_CLASS:
582 case MONO_TYPE_OBJECT: {
583 MonoObject *o = va_arg (ap, MonoObject *);
586 if (o->vtable->klass == mono_defaults.boolean_class) {
587 printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
588 } else if (o->vtable->klass == mono_defaults.int32_class) {
589 printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
590 } else if (o->vtable->klass == mono_defaults.int64_class) {
591 printf ("[INT64:%p:%lld]", o, (long long)*((gint64 *)((char *)o + sizeof (MonoObject))));
593 printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
595 printf ("[OBJECT:%p]", o);
600 case MONO_TYPE_FNPTR:
601 case MONO_TYPE_ARRAY:
602 case MONO_TYPE_SZARRAY: {
603 gpointer p = va_arg (ap, gpointer);
604 printf ("result=%p", p);
608 gint64 l = va_arg (ap, gint64);
609 printf ("lresult=0x%16llx", (long long)l);
613 gint64 l = va_arg (ap, gint64);
614 printf ("lresult=0x%16llx", (long long)l);
619 double f = va_arg (ap, double);
620 printf ("FP=%f\n", f);
623 case MONO_TYPE_VALUETYPE:
624 if (type->data.klass->enumtype) {
625 type = mono_class_enum_basetype (type->data.klass);
628 guint8 *p = va_arg (ap, gpointer);
630 size = mono_type_size (type, &align);
632 for (j = 0; p && j < size; j++)
633 printf ("%02x,", p [j]);
638 printf ("(unknown return type %x)", mono_method_signature (method)->ret->type);
641 //printf (" ip: %p\n", __builtin_return_address (1));
647 mono_trace_enable (gboolean enable)
649 trace_spec.enabled = enable;
653 mono_trace_is_enabled ()
655 return trace_spec.enabled;