+/*
+ * mono-debug-debugger.c:
+ *
+ * Author:
+ * Mono Project (http://www.mono-project.com)
+ *
+ * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
+ * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
+ */
+
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/gc-internal.h>
#include <mono/metadata/threads.h>
-#include <mono/os/gc_wrapper.h>
+#include <mono/metadata/gc-internal.h>
#include <mono/metadata/object-internals.h>
#include <mono/metadata/class-internals.h>
+#include <mono/metadata/domain-internals.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/mono-debug-debugger.h>
static guint32 debugger_lock_level = 0;
static CRITICAL_SECTION debugger_lock_mutex;
-static gboolean mono_debugger_use_debugger = FALSE;
-static MonoObject *last_exception = NULL;
-
-void (*mono_debugger_event_handler) (MonoDebuggerEvent event, guint64 data, guint64 arg) = NULL;
-
-typedef struct {
- gpointer stack_pointer;
- MonoObject *exception_obj;
- guint32 stop;
-} MonoDebuggerExceptionInfo;
typedef struct
{
MonoDebugMethodAddressList *address_list;
} MethodBreakpointInfo;
-typedef struct {
- guint64 index;
- guint32 token;
- gchar *name_space;
- gchar *name;
-} ClassInitCallback;
-
-static GPtrArray *class_init_callbacks = NULL;
-
static int initialized = 0;
void
}
void
-mono_debugger_initialize (gboolean use_debugger)
+mono_debugger_initialize ()
{
- MONO_GC_REGISTER_ROOT (last_exception);
-
- g_assert (!mono_debugger_use_debugger);
-
InitializeCriticalSection (&debugger_lock_mutex);
- mono_debugger_use_debugger = use_debugger;
initialized = 1;
}
-void
-mono_debugger_event (MonoDebuggerEvent event, guint64 data, guint64 arg)
-{
- if (mono_debugger_event_handler)
- (* mono_debugger_event_handler) (event, data, arg);
-}
-
-void
-mono_debugger_cleanup (void)
-{
- mono_debugger_event (MONO_DEBUGGER_EVENT_FINALIZE_MANAGED_CODE, 0, 0);
- mono_debugger_event_handler = NULL;
-}
-
-gboolean
-mono_debugger_unhandled_exception (gpointer addr, gpointer stack, MonoObject *exc)
-{
- const gchar *name;
-
- if (!mono_debugger_use_debugger)
- return FALSE;
-
- name = mono_class_get_name (mono_object_get_class (exc));
- if (!strcmp (name, "ThreadAbortException"))
- return FALSE;
-
- // Prevent the object from being finalized.
- last_exception = exc;
-
- mono_debugger_event (MONO_DEBUGGER_EVENT_UNHANDLED_EXCEPTION,
- (guint64) (gsize) exc, (guint64) (gsize) addr);
- return TRUE;
-}
-
-void
-mono_debugger_handle_exception (gpointer addr, gpointer stack, MonoObject *exc)
-{
- MonoDebuggerExceptionInfo info;
-
- if (!mono_debugger_use_debugger)
- return;
-
- // Prevent the object from being finalized.
- last_exception = exc;
-
- info.stack_pointer = stack;
- info.exception_obj = exc;
- info.stop = 0;
-
- mono_debugger_event (MONO_DEBUGGER_EVENT_HANDLE_EXCEPTION, (guint64) (gsize) &info,
- (guint64) (gsize) addr);
-}
-
-gboolean
-mono_debugger_throw_exception (gpointer addr, gpointer stack, MonoObject *exc)
-{
- MonoDebuggerExceptionInfo info;
-
- if (!mono_debugger_use_debugger)
- return FALSE;
-
- // Prevent the object from being finalized.
- last_exception = exc;
-
- info.stack_pointer = stack;
- info.exception_obj = exc;
- info.stop = 0;
-
- mono_debugger_event (MONO_DEBUGGER_EVENT_THROW_EXCEPTION, (guint64) (gsize) &info,
- (guint64) (gsize) addr);
- return info.stop != 0;
-}
-
-static gchar *
-get_exception_message (MonoObject *exc)
-{
- char *message = NULL;
- MonoString *str;
- MonoMethod *method;
- MonoClass *klass;
- gint i;
-
- if (mono_object_isinst (exc, mono_defaults.exception_class)) {
- klass = exc->vtable->klass;
- method = NULL;
- while (klass && method == NULL) {
- for (i = 0; i < klass->method.count; ++i) {
- method = klass->methods [i];
- if (!strcmp ("ToString", method->name) &&
- mono_method_signature (method)->param_count == 0 &&
- method->flags & METHOD_ATTRIBUTE_VIRTUAL &&
- method->flags & METHOD_ATTRIBUTE_PUBLIC) {
- break;
- }
- method = NULL;
- }
-
- if (method == NULL)
- klass = klass->parent;
- }
-
- g_assert (method);
-
- str = (MonoString *) mono_runtime_invoke (method, exc, NULL, NULL);
- if (str)
- message = mono_string_to_utf8 (str);
- }
-
- return message;
-}
-
-MonoObject *
-mono_debugger_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
-{
- MonoObject *retval;
- gchar *message;
-
- if (!strcmp (method->name, ".ctor")) {
- retval = obj = mono_object_new (mono_domain_get (), method->klass);
-
- mono_runtime_invoke (method, obj, params, exc);
- } else
- retval = mono_runtime_invoke (method, obj, params, exc);
-
- if (!exc || (*exc == NULL))
- return retval;
-
- message = get_exception_message (*exc);
- if (message) {
- *exc = (MonoObject *) mono_string_new_wrapper (message);
- g_free (message);
- }
-
- return retval;
-}
-
-
/*
* Debugger breakpoint interface.
*
return 0;
}
-
-void
-mono_debugger_check_breakpoints (MonoMethod *method, MonoDebugMethodAddress *debug_info)
-{
- int i;
-
- if (!method_breakpoints)
- return;
-
- if (method->is_inflated)
- method = ((MonoMethodInflated *) method)->declaring;
-
- for (i = 0; i < method_breakpoints->len; i++) {
- MethodBreakpointInfo *info = g_ptr_array_index (method_breakpoints, i);
-
- if (method != info->method)
- continue;
-
- mono_debugger_event (MONO_DEBUGGER_EVENT_JIT_BREAKPOINT,
- (guint64) (gsize) debug_info, info->index);
- }
-}
-
-MonoClass *
-mono_debugger_register_class_init_callback (MonoImage *image, const gchar *full_name,
- guint32 method_token, guint32 index)
-{
- ClassInitCallback *info;
- MonoClass *klass;
- gchar *name_space, *name, *pos;
-
- name = g_strdup (full_name);
-
- pos = strrchr (name, '.');
- if (pos) {
- name_space = name;
- *pos = 0;
- name = pos + 1;
- } else {
- name_space = NULL;
- }
-
- mono_loader_lock ();
-
- klass = mono_class_from_name (image, name_space ? name_space : "", name);
- if (klass && klass->inited && klass->methods) {
- mono_loader_unlock ();
- return klass;
- }
-
- info = g_new0 (ClassInitCallback, 1);
- info->index = index;
- info->token = method_token;
- info->name_space = name_space;
- info->name = name;
-
- if (!class_init_callbacks)
- class_init_callbacks = g_ptr_array_new ();
-
- g_ptr_array_add (class_init_callbacks, info);
- mono_loader_unlock ();
- return NULL;
-}
-
-void
-mono_debugger_remove_class_init_callback (int index)
-{
- int i;
-
- if (!class_init_callbacks)
- return;
-
- for (i = 0; i < class_init_callbacks->len; i++) {
- ClassInitCallback *info = g_ptr_array_index (class_init_callbacks, i);
-
- if (info->index != index)
- continue;
-
- g_ptr_array_remove (class_init_callbacks, info);
- if (info->name_space)
- g_free (info->name_space);
- else
- g_free (info->name);
- g_free (info);
- }
-}
-
-void
-mono_debugger_class_initialized (MonoClass *klass)
-{
- int i;
-
- if (!class_init_callbacks)
- return;
-
- again:
- for (i = 0; i < class_init_callbacks->len; i++) {
- ClassInitCallback *info = g_ptr_array_index (class_init_callbacks, i);
-
- if (info->name_space && strcmp (info->name_space, klass->name_space))
- continue;
- if (strcmp (info->name, klass->name))
- continue;
-
- mono_debugger_event (MONO_DEBUGGER_EVENT_CLASS_INITIALIZED,
- (guint64) (gsize) klass, info->index);
-
- if (info->token) {
- int j;
-
- for (j = 0; j < klass->method.count; j++) {
- if (klass->methods [j]->token != info->token)
- continue;
-
- mono_debugger_insert_method_breakpoint (klass->methods [j], info->index);
- }
- }
-
- g_ptr_array_remove (class_init_callbacks, info);
- if (info->name_space)
- g_free (info->name_space);
- else
- g_free (info->name);
- g_free (info);
- goto again;
- }
-}
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