+
+void
+mono_trace_set_assembly (MonoAssembly *assembly)
+{
+ trace_spec.assembly = assembly;
+}
+
+static int indent_level = 0;
+
+static void indent (int diff) {
+ int v;
+ if (diff < 0)
+ indent_level += diff;
+ v = indent_level;
+ while (v-- > 0) {
+ printf (". ");
+ }
+ if (diff > 0)
+ indent_level += diff;
+}
+
+static char *
+string_to_utf8 (MonoString *s)
+{
+ char *as;
+ GError *error = NULL;
+
+ g_assert (s);
+
+ if (!s->length)
+ return g_strdup ("");
+
+ as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, NULL, &error);
+ if (error) {
+ /* Happens with StringBuilders */
+ g_error_free (error);
+ return g_strdup ("<INVALID UTF8>");
+ }
+ else
+ return as;
+}
+
+void
+mono_trace_enter_method (MonoMethod *method, char *ebp)
+{
+ int i, j;
+ MonoClass *class;
+ MonoObject *o;
+ MonoJitArgumentInfo *arg_info;
+ MonoMethodSignature *sig;
+ char *fname;
+
+ if (!trace_spec.enabled)
+ return;
+
+ fname = mono_method_full_name (method, TRUE);
+ indent (1);
+ printf ("ENTER: %s(", fname);
+ g_free (fname);
+
+ if (!ebp) {
+ printf (") ip: %p\n", __builtin_return_address (1));
+ return;
+ }
+ if ((GPOINTER_TO_INT (ebp) & (MONO_ARCH_FRAME_ALIGNMENT - 1)) != 0) {
+ g_error ("unaligned stack detected (%p)", ebp);
+ }
+
+ sig = mono_method_signature (method);
+
+ arg_info = alloca (sizeof (MonoJitArgumentInfo) * (sig->param_count + 1));
+
+ mono_arch_get_argument_info (sig, sig->param_count, arg_info);
+
+ if (MONO_TYPE_ISSTRUCT (mono_method_signature (method)->ret)) {
+ g_assert (!mono_method_signature (method)->ret->byref);
+
+ printf ("VALUERET:%p, ", *((gpointer *)(ebp + 8)));
+ }
+
+ if (mono_method_signature (method)->hasthis) {
+ gpointer *this = (gpointer *)(ebp + arg_info [0].offset);
+ if (method->klass->valuetype) {
+ printf ("value:%p, ", *this);
+ } else {
+ o = *((MonoObject **)this);
+
+ if (o) {
+ class = o->vtable->klass;
+
+ if (class == mono_defaults.string_class) {
+ MonoString *s = (MonoString*)o;
+ char *as = string_to_utf8 (s);
+
+ printf ("this:[STRING:%p:%s], ", o, as);
+ g_free (as);
+ } else {
+ printf ("this:%p[%s.%s %s], ", o, class->name_space, class->name, o->vtable->domain->friendly_name);
+ }
+ } else
+ printf ("this:NULL, ");
+ }
+ }
+
+ for (i = 0; i < mono_method_signature (method)->param_count; ++i) {
+ gpointer *cpos = (gpointer *)(ebp + arg_info [i + 1].offset);
+ int size = arg_info [i + 1].size;
+
+ MonoType *type = mono_method_signature (method)->params [i];
+
+ if (type->byref) {
+ printf ("[BYREF:%p], ", *cpos);
+ } else switch (mono_type_get_underlying_type (type)->type) {
+
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ printf ("%p, ", *((gpointer **)(cpos)));
+ break;
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ printf ("%d, ", *((gint8 *)(cpos)));
+ break;
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ printf ("%d, ", *((gint16 *)(cpos)));
+ break;
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ printf ("%d, ", *((int *)(cpos)));
+ break;
+ case MONO_TYPE_STRING: {
+ MonoString *s = *((MonoString **)cpos);
+ if (s) {
+ char *as;
+
+ g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
+ as = string_to_utf8 (s);
+
+ printf ("[STRING:%p:%s], ", s, as);
+ g_free (as);
+ } else
+ printf ("[STRING:null], ");
+ break;
+ }
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT: {
+ o = *((MonoObject **)cpos);
+ if (o) {
+ class = o->vtable->klass;
+
+ if (class == mono_defaults.string_class) {
+ char *as = string_to_utf8 ((MonoString*)o);
+
+ printf ("[STRING:%p:%s], ", o, as);
+ g_free (as);
+ } else if (class == mono_defaults.int32_class) {
+ printf ("[INT32:%p:%d], ", o, *(gint32 *)((char *)o + sizeof (MonoObject)));
+ } else
+ printf ("[%s.%s:%p], ", class->name_space, class->name, o);
+ } else {
+ printf ("%p, ", *((gpointer *)(cpos)));
+ }
+ break;
+ }
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ printf ("%p, ", *((gpointer *)(cpos)));
+ break;
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ printf ("0x%016llx, ", (long long)*((gint64 *)(cpos)));
+ break;
+ case MONO_TYPE_R4:
+ printf ("%f, ", *((float *)(cpos)));
+ break;
+ case MONO_TYPE_R8:
+ printf ("%f, ", *((double *)(cpos)));
+ break;
+ case MONO_TYPE_VALUETYPE:
+ printf ("[");
+ for (j = 0; j < size; j++)
+ printf ("%02x,", *((guint8*)cpos +j));
+ printf ("], ");
+ break;
+ default:
+ printf ("XX, ");
+ }
+ }
+
+ printf (")\n");
+ fflush (stdout);
+}
+
+void
+mono_trace_leave_method (MonoMethod *method, ...)
+{
+ MonoType *type;
+ char *fname;
+ va_list ap;
+
+ if (!trace_spec.enabled)
+ return;
+
+ va_start(ap, method);
+
+ fname = mono_method_full_name (method, TRUE);
+ indent (-1);
+ printf ("LEAVE: %s", fname);
+ g_free (fname);
+
+ type = mono_method_signature (method)->ret;
+
+handle_enum:
+ switch (type->type) {
+ case MONO_TYPE_VOID:
+ break;
+ case MONO_TYPE_BOOLEAN: {
+ int eax = va_arg (ap, int);
+ if (eax)
+ printf ("TRUE:%d", eax);
+ else
+ printf ("FALSE");
+
+ break;
+ }
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U: {
+ int eax = va_arg (ap, int);
+ printf ("result=%d", eax);
+ break;
+ }
+ case MONO_TYPE_STRING: {
+ MonoString *s = va_arg (ap, MonoString *);
+;
+ if (s) {
+ char *as;
+
+ g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
+ as = string_to_utf8 (s);
+ printf ("[STRING:%p:%s]", s, as);
+ g_free (as);
+ } else
+ printf ("[STRING:null], ");
+ break;
+ }
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT: {
+ MonoObject *o = va_arg (ap, MonoObject *);
+
+ if (o) {
+ if (o->vtable->klass == mono_defaults.boolean_class) {
+ printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
+ } else if (o->vtable->klass == mono_defaults.int32_class) {
+ printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
+ } else if (o->vtable->klass == mono_defaults.int64_class) {
+ printf ("[INT64:%p:%lld]", o, (long long)*((gint64 *)((char *)o + sizeof (MonoObject))));
+ } else
+ printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
+ } else
+ printf ("[OBJECT:%p]", o);
+
+ break;
+ }
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY: {
+ gpointer p = va_arg (ap, gpointer);
+ printf ("result=%p", p);
+ break;
+ }
+ case MONO_TYPE_I8: {
+ gint64 l = va_arg (ap, gint64);
+ printf ("lresult=0x%16llx", (long long)l);
+ break;
+ }
+ case MONO_TYPE_U8: {
+ gint64 l = va_arg (ap, gint64);
+ printf ("lresult=0x%16llx", (long long)l);
+ break;
+ }
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8: {
+ double f = va_arg (ap, double);
+ printf ("FP=%f\n", f);
+ break;
+ }
+ case MONO_TYPE_VALUETYPE:
+ if (type->data.klass->enumtype) {
+ type = type->data.klass->enum_basetype;
+ goto handle_enum;
+ } else {
+ guint8 *p = va_arg (ap, gpointer);
+ int j, size, align;
+ size = mono_type_size (type, &align);
+ printf ("[");
+ for (j = 0; p && j < size; j++)
+ printf ("%02x,", p [j]);
+ printf ("]");
+ }
+ break;
+ default:
+ printf ("(unknown return type %x)", mono_method_signature (method)->ret->type);
+ }
+
+ //printf (" ip: %p\n", __builtin_return_address (1));
+ printf ("\n");
+ fflush (stdout);
+}
+
+void
+mono_trace_enable (gboolean enable)
+{
+ trace_spec.enabled = enable;
+}
+
+gboolean
+mono_trace_is_enabled ()
+{
+ return trace_spec.enabled;
+}
+