Use the Unity PAL for the IL2CPP debugger

Change the IL2CPP manager debugger to use the Unity PAL, so the debugger
can work on all platforms that IL2CPP supports.

mono/metadata/w32process-unity.c

@@ -3,6 +3,14 @@
 
 #if defined(PLATFORM_UNITY) && defined(UNITY_USE_PLATFORM_STUBS)
 
+#ifdef HOST_WIN32
+typedef struct {
+	gpointer lpBaseOfDll;
+	guint32 SizeOfImage;
+	gpointer EntryPoint;
+} MODULEINFO;
+#endif
+
 void
 mono_w32process_init (void)
 {
@@ -108,7 +116,7 @@ ves_icall_Microsoft_Win32_NativeMethods_GetCurrentProcess (void)
 }
 
 gboolean
-mono_w32process_get_fileversion_info (gunichar2 *filename, guint32 handle, guint32 len, gpointer data)
+mono_w32process_get_fileversion_info (gunichar2 *filename, gpointer* data)
 {
 	g_assert(0 && "This function is not yet implemented for the Unity platform.");
 	return FALSE;

mono/metadata/w32socket-unity.c

@@ -4,14 +4,14 @@
 #if defined(PLATFORM_UNITY) && defined(UNITY_USE_PLATFORM_STUBS)
 
 gboolean
-ves_icall_System_Net_Sockets_Socket_SupportPortReuse (MonoProtocolType proto)
+ves_icall_System_Net_Sockets_Socket_SupportPortReuse (MonoProtocolType proto, MonoError* error)
 {
 	g_assert(0 && "This function is not yet implemented for the Unity platform.");
 	return FALSE;
 }
 
 MonoBoolean
-ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
+ves_icall_System_Net_Dns_GetHostByName_internal (MonoStringHandle host, MonoStringHandleOut h_name, MonoArrayHandleOut h_aliases, MonoArrayHandleOut h_addr_list, gint32 hint, MonoError *error)
 {
 	g_assert(0 && "This function is not yet implemented for the Unity platform.");
 	return FALSE;

mono/mini/il2cpp-c-types.h

@@ -117,4 +117,4 @@ void* il2cpp_gc_alloc_fixed(size_t size);
 void il2cpp_gc_free_fixed(void* address);
 const char* il2cpp_domain_get_name(MonoDomain* domain);
 
-#endif
+#endif

mono/utils/mono-threads-unity.c

@@ -2,6 +2,8 @@
 
 #if defined(PLATFORM_UNITY) && defined(UNITY_USE_PLATFORM_STUBS)
 
+#include "Thread-c-api.h"
+
 void
 mono_threads_suspend_init (void)
 {
@@ -99,15 +101,13 @@ mono_threads_platform_create_thread (MonoThreadStart thread_fn, gpointer thread_
 MonoNativeThreadId
 mono_native_thread_id_get (void)
 {
-	g_assert(0 && "This function is not yet implemented for the Unity platform.");
-	return 0;
+	return (MonoNativeThreadId)UnityPalGetCurrentThreadId();
 }
 
 gboolean
 mono_native_thread_id_equals (MonoNativeThreadId id1, MonoNativeThreadId id2)
 {
-	g_assert(0 && "This function is not yet implemented for the Unity platform.");
-	return FALSE;
+	return id1 == id2;
 }
 
 gboolean

mono/utils/networking-unity.c

@@ -1,12 +1,86 @@
+#include <config.h>
+#include <glib.h>
+
+
 #include <mono/utils/networking.h>
 
 #if defined(PLATFORM_UNITY) && defined(UNITY_USE_PLATFORM_STUBS)
 
+#include "Socket-c-api.h"
+
+static void
+add_hostent(MonoAddressInfo *info, int flags, const char* name, gint family, char** aliases, void** addresses, int32_t addressSize)
+{
+    MonoAddressEntry *cur, *prev = info->entries;
+    int idx = 0;
+    int address_length = 0;
+
+    if (!info->aliases)
+        info->aliases = g_strdupv(aliases);
+
+    while (addresses[idx]) {
+        cur = g_new0(MonoAddressEntry, 1);
+        if (prev)
+            prev->next = cur;
+        else
+            info->entries = cur;
+
+        if (flags & MONO_HINT_CANONICAL_NAME && name)
+            cur->canonical_name = g_strdup(name);
+
+        cur->family = family;
+        cur->socktype = SOCK_STREAM;
+        cur->protocol = 0; /* Zero means the default stream protocol */
+        address_length = addressSize;
+        cur->address_len = address_length;
+        memcpy(&cur->address, addresses[idx], address_length);
+
+        prev = cur;
+        ++idx;
+    }
+}
+
+static void free_null_terminated_array (void** array)
+{
+    if (array != NULL)
+    {
+        int i = 0;
+        while (array[i] != NULL)
+        {
+            g_free(array[i]);
+            i++;
+        }
+    }
+    g_free(array);
+}
+
 int
-mono_get_address_info (const char *hostname, int port, int flags, MonoAddressInfo **result)
+mono_get_address_info(const char *hostname, int port, int flags, MonoAddressInfo **result)
 {
-	g_assert(0 && "This function is not yet implemented for the Unity platform.");
-	return 0;
+    MonoAddressInfo *addr_info;
+    addr_info = g_new0(MonoAddressInfo, 1);
+
+    char* name;
+    gint family;
+    char** aliases;
+    void** addresses;
+    int32_t addressSize;
+
+    if (UnityPalGetHostByName(hostname, &name, &family, &aliases, &addresses, &addressSize) == kWaitStatusSuccess)
+        add_hostent(addr_info, flags, name, family, aliases, addresses, addressSize);
+
+    g_free(name);
+    free_null_terminated_array(aliases);
+    free_null_terminated_array(addresses);
+
+    if (!addr_info->entries) {
+        *result = NULL;
+        mono_free_address_info(addr_info);
+        return 1;
+    }
+
+    *result = addr_info;
+    return 0;
 }
 
 void *