#ifdef PLATFORM_WIN32
#define SHARED_EXT ".dll"
-#elif (defined(__ppc__) || defined(__ppc64__)) && defined(__MACH__)
+#elif (defined(__ppc__) || defined(__powerpc__) || defined(__ppc64__)) || defined(__MACH__)
#define SHARED_EXT ".dylib"
#else
#define SHARED_EXT ".so"
guint32 got_size;
GHashTable *name_cache;
GHashTable *wrappers;
+ /* Maps wrapper names to their method index */
+ GHashTable *wrappers_by_name;
+ /* Maps wrapper methods to their code */
+ GHashTable *wrappers_to_code;
MonoAssemblyName *image_names;
char **image_guids;
+ MonoAssembly *assembly;
MonoImage **image_table;
guint32 image_table_len;
gboolean out_of_date;
guint32 *methods_loaded;
guint16 *class_name_table;
guint8 *wrapper_info;
+ guint8 *trampolines;
+ guint32 num_trampolines, first_trampoline_got_offset, trampoline_index;
+ gpointer *globals;
+ MonoDl *sofile;
} MonoAotModule;
static GHashTable *aot_modules;
#define mono_aot_unlock() LeaveCriticalSection (&aot_mutex)
static CRITICAL_SECTION aot_mutex;
+/*
+ * Maps assembly names to the mono_aot_module_<NAME>_info symbols in the
+ * AOT modules registered by mono_aot_register_module ().
+ */
+static GHashTable *static_aot_modules;
+
/*
* Disabling this will make a copy of the loaded code and use the copy instead
* of the original. This will place the caller and the callee close to each
static gsize aot_code_low_addr = (gssize)-1;
static gsize aot_code_high_addr = 0;
+/* Used to communicate with mono_aot_register_globals () */
+static guint32 globals_tls_id = -1;
+
static gpointer
mono_aot_load_method (MonoDomain *domain, MonoAotModule *aot_module, MonoMethod *method, guint8 *code, guint8 *info, int method_index);
static void
init_plt (MonoAotModule *info);
+static MonoJumpInfo*
+load_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, int n_patches,
+ guint32 got_index, guint32 **got_slots,
+ guint8 *buf, guint8 **endbuf);
+
static inline gboolean
is_got_patch (MonoJumpInfoType patch_type)
{
assembly = mono_assembly_load (&module->image_names [index], NULL, &status);
if (!assembly) {
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is unusable because dependency %s is not found.\n", module->aot_name, module->image_names [index].name);
module->out_of_date = TRUE;
return NULL;
}
return len;
}
+static MonoMethod*
+decode_method_ref_2 (MonoAotModule *module, guint8 *buf, guint8 **endbuf);
+
+static MonoClass*
+decode_klass_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf);
+
+static MonoGenericInst*
+decode_generic_inst (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
+{
+ int type_argc, i;
+ MonoType **type_argv;
+ MonoGenericInst *inst;
+ guint8 *p = buf;
+
+ type_argc = decode_value (p, &p);
+ type_argv = g_new0 (MonoType*, type_argc);
+
+ for (i = 0; i < type_argc; ++i) {
+ MonoClass *pclass = decode_klass_ref (module, p, &p);
+ if (!pclass) {
+ g_free (type_argv);
+ return NULL;
+ }
+ type_argv [i] = &pclass->byval_arg;
+ }
+
+ inst = mono_metadata_get_generic_inst (type_argc, type_argv);
+ g_free (type_argv);
+
+ *endbuf = p;
+
+ return inst;
+}
+
static MonoClass*
decode_klass_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
{
MonoImage *image;
MonoClass *klass, *eklass;
guint32 token, rank;
+ guint8 *p = buf;
- token = decode_value (buf, &buf);
+ token = decode_value (p, &p);
if (token == 0) {
- *endbuf = buf;
+ *endbuf = p;
return NULL;
}
if (mono_metadata_token_table (token) == 0) {
- image = load_image (module, decode_value (buf, &buf));
+ image = load_image (module, decode_value (p, &p));
if (!image)
return NULL;
klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF + token);
} else if (mono_metadata_token_table (token) == MONO_TABLE_TYPESPEC) {
if (token == MONO_TOKEN_TYPE_SPEC) {
- MonoClass *gclass;
- int i;
- MonoGenericContext ctx;
- MonoGenericInst inst;
-
- gclass = decode_klass_ref (module, buf, &buf);
- g_assert (gclass->generic_container);
-
- memset (&ctx, 0, sizeof (ctx));
- memset (&inst, 0, sizeof (inst));
- ctx.class_inst = &inst;
- inst.type_argc = decode_value (buf, &buf);
- inst.type_argv = g_new0 (MonoType*, inst.type_argc);
- for (i = 0; i < inst.type_argc; ++i) {
- MonoClass *pclass = decode_klass_ref (module, buf, &buf);
- if (!pclass) {
- g_free (inst.type_argv);
+ MonoTypeEnum type = decode_value (p, &p);
+
+ if (type == MONO_TYPE_GENERICINST) {
+ MonoClass *gclass;
+ MonoGenericContext ctx;
+ MonoType *type;
+
+ gclass = decode_klass_ref (module, p, &p);
+ g_assert (gclass->generic_container);
+
+ memset (&ctx, 0, sizeof (ctx));
+ ctx.class_inst = decode_generic_inst (module, p, &p);
+ if (!ctx.class_inst)
return NULL;
+ type = mono_class_inflate_generic_type (&gclass->byval_arg, &ctx);
+ klass = mono_class_from_mono_type (type);
+ mono_metadata_free_type (type);
+ } else if ((type == MONO_TYPE_VAR) || (type == MONO_TYPE_MVAR)) {
+ MonoType *t;
+ gboolean is_method;
+ MonoGenericContainer *container;
+
+ // FIXME: Maybe use types directly to avoid
+ // the overhead of creating MonoClass-es
+
+ // FIXME: Memory management
+ t = g_new0 (MonoType, 1);
+ t->type = type;
+ t->data.generic_param = g_new0 (MonoGenericParam, 1);
+ t->data.generic_param->num = decode_value (p, &p);
+ t->data.generic_param->name = "T";
+
+ is_method = decode_value (p, &p);
+ if (is_method) {
+ MonoMethod *method_def = decode_method_ref_2 (module, p, &p);
+
+ if (!method_def) {
+ g_free (t->data.generic_param);
+ g_free (t);
+ return NULL;
+ }
+
+ container = mono_method_get_generic_container (method_def);
+ } else {
+ MonoClass *class_def = decode_klass_ref (module, p, &p);
+
+ if (!class_def) {
+ g_free (t->data.generic_param);
+ g_free (t);
+ return NULL;
+ }
+
+ container = class_def->generic_container;
}
- inst.type_argv [i] = &pclass->byval_arg;
+
+ g_assert (container);
+ t->data.generic_param->owner = container;
+
+ klass = mono_class_from_mono_type (t);
+ } else {
+ g_assert_not_reached ();
}
- klass = mono_class_from_mono_type (mono_class_inflate_generic_type (&gclass->byval_arg, &ctx));
} else {
- image = load_image (module, decode_value (buf, &buf));
+ image = load_image (module, decode_value (p, &p));
if (!image)
return NULL;
klass = mono_class_get (image, token);
}
} else if (token == MONO_TOKEN_TYPE_DEF) {
/* Array */
- image = load_image (module, decode_value (buf, &buf));
+ image = load_image (module, decode_value (p, &p));
if (!image)
return NULL;
- rank = decode_value (buf, &buf);
- eklass = decode_klass_ref (module, buf, &buf);
+ rank = decode_value (p, &p);
+ eklass = decode_klass_ref (module, p, &p);
klass = mono_array_class_get (eklass, rank);
} else {
g_assert_not_reached ();
g_assert (klass);
mono_class_init (klass);
- *endbuf = buf;
+ *endbuf = p;
return klass;
}
{
MonoClass *klass = decode_klass_ref (module, buf, &buf);
guint32 token;
+ guint8 *p = buf;
if (!klass)
return NULL;
- token = MONO_TOKEN_FIELD_DEF + decode_value (buf, &buf);
+ token = MONO_TOKEN_FIELD_DEF + decode_value (p, &p);
- *endbuf = buf;
+ *endbuf = p;
return mono_class_get_field (klass, token);
}
+/*
+ * decode_method_ref:
+ *
+ * Decode a method reference, and return its image and token. This avoids loading
+ * metadata for the method if the caller does not need it. If the method has no token,
+ * then it is loaded from metadata and METHOD is set to the method instance.
+ */
static inline MonoImage*
-decode_method_ref (MonoAotModule *module, guint32 *token, guint8 *buf, guint8 **endbuf)
+decode_method_ref (MonoAotModule *module, guint32 *token, MonoMethod **method, guint8 *buf, guint8 **endbuf)
{
guint32 image_index, value;
MonoImage *image;
+ guint8 *p = buf;
+
+ if (method)
+ *method = NULL;
- value = decode_value (buf, &buf);
+ value = decode_value (p, &p);
image_index = value >> 24;
- *token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
- if (image_index == 255) {
+ if (image_index == 253) {
+ /* Wrapper */
+ guint32 wrapper_type;
+
+ wrapper_type = decode_value (p, &p);
+
+ /* Doesn't matter */
+ image = mono_defaults.corlib;
+
+ switch (wrapper_type) {
+ case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: {
+ MonoMethod *m = decode_method_ref_2 (module, p, &p);
+
+ if (!m)
+ return NULL;
+ mono_class_init (m->klass);
+ *method = mono_marshal_get_remoting_invoke_with_check (m);
+ break;
+ }
+ case MONO_WRAPPER_PROXY_ISINST: {
+ MonoClass *klass = decode_klass_ref (module, p, &p);
+ if (!klass)
+ return NULL;
+ *method = mono_marshal_get_proxy_cancast (klass);
+ break;
+ }
+ case MONO_WRAPPER_LDFLD:
+ case MONO_WRAPPER_LDFLDA:
+ case MONO_WRAPPER_STFLD:
+ case MONO_WRAPPER_ISINST: {
+ MonoClass *klass = decode_klass_ref (module, p, &p);
+ if (!klass)
+ return NULL;
+ if (wrapper_type == MONO_WRAPPER_LDFLD)
+ *method = mono_marshal_get_ldfld_wrapper (&klass->byval_arg);
+ else if (wrapper_type == MONO_WRAPPER_LDFLDA)
+ *method = mono_marshal_get_ldflda_wrapper (&klass->byval_arg);
+ else if (wrapper_type == MONO_WRAPPER_STFLD)
+ *method = mono_marshal_get_stfld_wrapper (&klass->byval_arg);
+ else if (wrapper_type == MONO_WRAPPER_ISINST)
+ *method = mono_marshal_get_isinst (klass);
+ else
+ g_assert_not_reached ();
+ break;
+ }
+ case MONO_WRAPPER_LDFLD_REMOTE:
+ *method = mono_marshal_get_ldfld_remote_wrapper (NULL);
+ break;
+ case MONO_WRAPPER_STFLD_REMOTE:
+ *method = mono_marshal_get_stfld_remote_wrapper (NULL);
+ break;
+ case MONO_WRAPPER_ALLOC: {
+ int atype = decode_value (p, &p);
+
+ *method = mono_gc_get_managed_allocator_by_type (atype);
+ break;
+ }
+ case MONO_WRAPPER_STELEMREF:
+ *method = mono_marshal_get_stelemref ();
+ break;
+ case MONO_WRAPPER_STATIC_RGCTX_INVOKE: {
+ MonoMethod *m = decode_method_ref_2 (module, p, &p);
+
+ if (!m)
+ return NULL;
+ *method = mono_marshal_get_static_rgctx_invoke (m);
+ break;
+ }
+ default:
+ g_assert_not_reached ();
+ }
+ } else if (image_index == 255) {
/* Methodspec */
- image_index = decode_value (buf, &buf);
- *token = decode_value (buf, &buf);
+ image_index = decode_value (p, &p);
+ *token = decode_value (p, &p);
+
+ image = load_image (module, image_index);
+ if (!image)
+ return NULL;
+ } else if (image_index == 254) {
+ /* Method on generic instance */
+ MonoClass *klass;
+ MonoGenericContext ctx;
+ gboolean has_class_inst, has_method_inst;
+
+ /*
+ * These methods do not have a token which resolves them, so we
+ * resolve them immediately.
+ */
+ klass = decode_klass_ref (module, p, &p);
+ if (!klass)
+ return NULL;
+
+ image_index = decode_value (p, &p);
+ *token = decode_value (p, &p);
+
+ image = load_image (module, image_index);
+ if (!image)
+ return NULL;
+
+ *method = mono_get_method_full (image, *token, NULL, NULL);
+ if (!(*method))
+ return NULL;
+
+ memset (&ctx, 0, sizeof (ctx));
+
+ if (FALSE && klass->generic_class) {
+ ctx.class_inst = klass->generic_class->context.class_inst;
+ ctx.method_inst = NULL;
+
+ *method = mono_class_inflate_generic_method_full (*method, klass, &ctx);
+ }
+
+ memset (&ctx, 0, sizeof (ctx));
+
+ // FIXME: Memory management
+ has_class_inst = decode_value (p, &p);
+ if (has_class_inst) {
+ ctx.class_inst = decode_generic_inst (module, p, &p);
+ if (!ctx.class_inst)
+ return NULL;
+ }
+ has_method_inst = decode_value (p, &p);
+ if (has_method_inst) {
+ ctx.method_inst = decode_generic_inst (module, p, &p);
+ if (!ctx.method_inst)
+ return NULL;
+ }
+
+ *method = mono_class_inflate_generic_method_full (*method, klass, &ctx);
+ } else {
+ *token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
+
+ image = load_image (module, image_index);
+ if (!image)
+ return NULL;
}
- *endbuf = buf;
+ *endbuf = p;
+
+ return image;
+}
+
+/*
+ * decode_method_ref_2:
+ *
+ * Similar to decode_method_ref, but resolve and return the method itself.
+ */
+static MonoMethod*
+decode_method_ref_2 (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
+{
+ MonoMethod *method;
+ guint32 token;
+ MonoImage *image = decode_method_ref (module, &token, &method, buf, endbuf);
- image = load_image (module, image_index);
+ if (method)
+ return method;
if (!image)
return NULL;
- else
- return image;
+ return mono_get_method (image, token, NULL);
}
G_GNUC_UNUSED
guint8 *page_start;
int pages, err;
+ if (mono_aot_only)
+ g_error ("Attempt to make AOT memory writable while running in aot-only mode.\n");
+
page_start = (guint8 *) (((gssize) (addr)) & ~ (PAGESIZE - 1));
pages = (addr + len - page_start + PAGESIZE - 1) / PAGESIZE;
err = mprotect (page_start, pages * PAGESIZE, PROT_READ | PROT_WRITE | PROT_EXEC);
return module;
}
+static void
+find_symbol (MonoDl *module, gpointer *globals, const char *name, gpointer *value)
+{
+ if (globals) {
+ int i = 0;
+
+ *value = NULL;
+ for (i = 0; globals [i]; i+= 2) {
+ if (strcmp (globals [i], name) == 0) {
+ *value = globals [i + 1];
+ break;
+ }
+ }
+ } else {
+ mono_dl_symbol (module, name, value);
+ }
+}
+
static void
load_aot_module (MonoAssembly *assembly, gpointer user_data)
{
char *aot_name;
- MonoAotModule *info;
+ MonoAotModule *amodule;
+ MonoDl *sofile;
gboolean usable = TRUE;
char *saved_guid = NULL;
char *aot_version = NULL;
char *runtime_version;
char *opt_flags = NULL;
+ gpointer *globals;
+ gboolean full_aot = FALSE;
gpointer *plt_jump_table_addr = NULL;
guint32 *plt_jump_table_size = NULL;
+ guint32 *trampolines_info = NULL;
gpointer *got_addr = NULL;
gpointer *got = NULL;
guint32 *got_size_ptr = NULL;
if (mono_compile_aot)
return;
- if (assembly->aot_module)
+ if (assembly->image->aot_module)
/*
* Already loaded. This can happen because the assembly loading code might invoke
* the assembly load hooks multiple times for the same assembly.
if (assembly->image->dynamic)
return;
- if (use_aot_cache)
- assembly->aot_module = load_aot_module_from_cache (assembly, &aot_name);
- else {
- char *err;
- aot_name = g_strdup_printf ("%s%s", assembly->image->name, SHARED_EXT);
+ mono_aot_lock ();
+ if (static_aot_modules)
+ globals = g_hash_table_lookup (static_aot_modules, assembly->aname.name);
+ else
+ globals = NULL;
+ mono_aot_unlock ();
+
+ if (globals) {
+ /* Statically linked AOT module */
+ sofile = NULL;
+ aot_name = g_strdup_printf ("%s", assembly->aname.name);
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "Found statically linked AOT module '%s'.\n", aot_name);
+ } else {
+ TlsSetValue (globals_tls_id, NULL);
+
+ if (use_aot_cache)
+ sofile = load_aot_module_from_cache (assembly, &aot_name);
+ else {
+ char *err;
+ aot_name = g_strdup_printf ("%s%s", assembly->image->name, SHARED_EXT);
- assembly->aot_module = mono_dl_open (aot_name, MONO_DL_LAZY, &err);
+ sofile = mono_dl_open (aot_name, MONO_DL_LAZY, &err);
- if (!assembly->aot_module) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT failed to load AOT module %s: %s\n", aot_name, err);
- g_free (err);
+ if (!sofile) {
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT failed to load AOT module %s: %s\n", aot_name, err);
+ g_free (err);
+ }
}
+
+ /*
+ * If the image was compiled in no-dlsym mode, it contains no global symbols,
+ * instead it contains an ELF ctor function which is called by dlopen () which
+ * in turn calls mono_aot_register_globals () to register a table which contains
+ * the name and address of the globals.
+ */
+ globals = TlsGetValue (globals_tls_id);
+ TlsSetValue (globals_tls_id, NULL);
}
- if (!assembly->aot_module) {
+ if (!sofile && !globals) {
+ if (mono_aot_only) {
+ fprintf (stderr, "Failed to load AOT module '%s' in aot-only mode.\n", aot_name);
+ exit (1);
+ }
g_free (aot_name);
return;
}
- mono_dl_symbol (assembly->aot_module, "mono_assembly_guid", (gpointer *) &saved_guid);
- mono_dl_symbol (assembly->aot_module, "mono_aot_version", (gpointer *) &aot_version);
- mono_dl_symbol (assembly->aot_module, "mono_aot_opt_flags", (gpointer *)&opt_flags);
- mono_dl_symbol (assembly->aot_module, "mono_runtime_version", (gpointer *)&runtime_version);
+ find_symbol (sofile, globals, "mono_assembly_guid", (gpointer *) &saved_guid);
+ find_symbol (sofile, globals, "mono_aot_version", (gpointer *) &aot_version);
+ find_symbol (sofile, globals, "mono_aot_opt_flags", (gpointer *)&opt_flags);
+ find_symbol (sofile, globals, "mono_runtime_version", (gpointer *)&runtime_version);
if (!aot_version || strcmp (aot_version, MONO_AOT_FILE_VERSION)) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s has wrong file format version (expected %s got %s)\n", aot_name, MONO_AOT_FILE_VERSION, aot_version);
usable = FALSE;
}
+ {
+ char *full_aot_str;
+
+ find_symbol (sofile, globals, "mono_aot_full_aot", (gpointer *)&full_aot_str);
+
+ if (full_aot_str && !strcmp (full_aot_str, "TRUE"))
+ full_aot = TRUE;
+ }
+
+ if (mono_aot_only && !full_aot) {
+ fprintf (stderr, "Can't use AOT image '%s' in aot-only mode because it is not compiled with --aot=full.\n", aot_name);
+ exit (1);
+ }
+ if (!mono_aot_only && full_aot) {
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is compiled with --aot=full.\n", aot_name);
+ usable = FALSE;
+ }
+
if (!usable) {
+ if (mono_aot_only) {
+ fprintf (stderr, "Failed to load AOT module '%s' while running in aot-only mode.\n", aot_name);
+ exit (1);
+ }
g_free (aot_name);
- mono_dl_close (assembly->aot_module);
- assembly->aot_module = NULL;
+ if (sofile)
+ mono_dl_close (sofile);
+ assembly->image->aot_module = NULL;
return;
}
- mono_dl_symbol (assembly->aot_module, "got_addr", (gpointer *)&got_addr);
+ find_symbol (sofile, globals, "got_addr", (gpointer *)&got_addr);
g_assert (got_addr);
got = (gpointer*)*got_addr;
g_assert (got);
- mono_dl_symbol (assembly->aot_module, "got_size", (gpointer *)&got_size_ptr);
+ find_symbol (sofile, globals, "got_size", (gpointer *)&got_size_ptr);
g_assert (got_size_ptr);
- info = g_new0 (MonoAotModule, 1);
- info->aot_name = aot_name;
- info->got = got;
- info->got_size = *got_size_ptr;
- info->got [0] = assembly->image;
+ amodule = g_new0 (MonoAotModule, 1);
+ amodule->aot_name = aot_name;
+ amodule->assembly = assembly;
+ amodule->got = got;
+ amodule->got_size = *got_size_ptr;
+ amodule->got [0] = assembly->image;
+ amodule->globals = globals;
+ amodule->sofile = sofile;
- sscanf (opt_flags, "%d", &info->opts);
+ sscanf (opt_flags, "%d", &amodule->opts);
/* Read image table */
{
guint32 table_len, i;
char *table = NULL;
- mono_dl_symbol (assembly->aot_module, "mono_image_table", (gpointer *)&table);
+ find_symbol (sofile, globals, "mono_image_table", (gpointer *)&table);
g_assert (table);
table_len = *(guint32*)table;
table += sizeof (guint32);
- info->image_table = g_new0 (MonoImage*, table_len);
- info->image_names = g_new0 (MonoAssemblyName, table_len);
- info->image_guids = g_new0 (char*, table_len);
- info->image_table_len = table_len;
+ amodule->image_table = g_new0 (MonoImage*, table_len);
+ amodule->image_names = g_new0 (MonoAssemblyName, table_len);
+ amodule->image_guids = g_new0 (char*, table_len);
+ amodule->image_table_len = table_len;
for (i = 0; i < table_len; ++i) {
- MonoAssemblyName *aname = &(info->image_names [i]);
+ MonoAssemblyName *aname = &(amodule->image_names [i]);
aname->name = g_strdup (table);
table += strlen (table) + 1;
- info->image_guids [i] = g_strdup (table);
+ amodule->image_guids [i] = g_strdup (table);
table += strlen (table) + 1;
if (table [0] != 0)
aname->culture = g_strdup (table);
}
/* Read method and method_info tables */
- mono_dl_symbol (assembly->aot_module, "method_offsets", (gpointer*)&info->code_offsets);
- mono_dl_symbol (assembly->aot_module, "methods", (gpointer*)&info->code);
- mono_dl_symbol (assembly->aot_module, "methods_end", (gpointer*)&info->code_end);
- mono_dl_symbol (assembly->aot_module, "method_info_offsets", (gpointer*)&info->method_info_offsets);
- mono_dl_symbol (assembly->aot_module, "method_info", (gpointer*)&info->method_info);
- mono_dl_symbol (assembly->aot_module, "ex_info_offsets", (gpointer*)&info->ex_info_offsets);
- mono_dl_symbol (assembly->aot_module, "ex_info", (gpointer*)&info->ex_info);
- mono_dl_symbol (assembly->aot_module, "method_order", (gpointer*)&info->method_order);
- mono_dl_symbol (assembly->aot_module, "method_order_end", (gpointer*)&info->method_order_end);
- mono_dl_symbol (assembly->aot_module, "class_info", (gpointer*)&info->class_info);
- mono_dl_symbol (assembly->aot_module, "class_info_offsets", (gpointer*)&info->class_info_offsets);
- mono_dl_symbol (assembly->aot_module, "class_name_table", (gpointer *)&info->class_name_table);
- mono_dl_symbol (assembly->aot_module, "got_info", (gpointer*)&info->got_info);
- mono_dl_symbol (assembly->aot_module, "got_info_offsets", (gpointer*)&info->got_info_offsets);
- mono_dl_symbol (assembly->aot_module, "wrapper_info", (gpointer*)&info->wrapper_info);
- mono_dl_symbol (assembly->aot_module, "mem_end", (gpointer*)&info->mem_end);
-
- info->mem_begin = info->code;
-
- mono_dl_symbol (assembly->aot_module, "plt", (gpointer*)&info->plt);
- mono_dl_symbol (assembly->aot_module, "plt_end", (gpointer*)&info->plt_end);
- mono_dl_symbol (assembly->aot_module, "plt_info", (gpointer*)&info->plt_info);
-
- mono_dl_symbol (assembly->aot_module, "plt_jump_table_addr", (gpointer *)&plt_jump_table_addr);
+ find_symbol (sofile, globals, "method_offsets", (gpointer*)&amodule->code_offsets);
+ find_symbol (sofile, globals, "methods", (gpointer*)&amodule->code);
+ find_symbol (sofile, globals, "methods_end", (gpointer*)&amodule->code_end);
+ find_symbol (sofile, globals, "method_info_offsets", (gpointer*)&amodule->method_info_offsets);
+ find_symbol (sofile, globals, "method_info", (gpointer*)&amodule->method_info);
+ find_symbol (sofile, globals, "ex_info_offsets", (gpointer*)&amodule->ex_info_offsets);
+ find_symbol (sofile, globals, "ex_info", (gpointer*)&amodule->ex_info);
+ find_symbol (sofile, globals, "method_order", (gpointer*)&amodule->method_order);
+ find_symbol (sofile, globals, "method_order_end", (gpointer*)&amodule->method_order_end);
+ find_symbol (sofile, globals, "class_info", (gpointer*)&amodule->class_info);
+ find_symbol (sofile, globals, "class_info_offsets", (gpointer*)&amodule->class_info_offsets);
+ find_symbol (sofile, globals, "class_name_table", (gpointer *)&amodule->class_name_table);
+ find_symbol (sofile, globals, "got_info", (gpointer*)&amodule->got_info);
+ find_symbol (sofile, globals, "got_info_offsets", (gpointer*)&amodule->got_info_offsets);
+ find_symbol (sofile, globals, "wrapper_info", (gpointer*)&amodule->wrapper_info);
+ find_symbol (sofile, globals, "trampolines", (gpointer*)&amodule->trampolines);
+ find_symbol (sofile, globals, "mem_end", (gpointer*)&amodule->mem_end);
+
+ amodule->mem_begin = amodule->code;
+
+ find_symbol (sofile, globals, "plt", (gpointer*)&amodule->plt);
+ find_symbol (sofile, globals, "plt_end", (gpointer*)&amodule->plt_end);
+ find_symbol (sofile, globals, "plt_info", (gpointer*)&amodule->plt_info);
+
+ find_symbol (sofile, globals, "plt_jump_table_addr", (gpointer *)&plt_jump_table_addr);
g_assert (plt_jump_table_addr);
- info->plt_jump_table = (guint8*)*plt_jump_table_addr;
- g_assert (info->plt_jump_table);
+ amodule->plt_jump_table = (guint8*)*plt_jump_table_addr;
+ g_assert (amodule->plt_jump_table);
- mono_dl_symbol (assembly->aot_module, "plt_jump_table_size", (gpointer *)&plt_jump_table_size);
+ find_symbol (sofile, globals, "plt_jump_table_size", (gpointer *)&plt_jump_table_size);
g_assert (plt_jump_table_size);
- info->plt_jump_table_size = *plt_jump_table_size;
+ amodule->plt_jump_table_size = *plt_jump_table_size;
+
+ find_symbol (sofile, globals, "trampolines_info", (gpointer *)&trampolines_info);
+ if (trampolines_info) {
+ amodule->num_trampolines = trampolines_info [0];
+ amodule->first_trampoline_got_offset = trampolines_info [1];
+ }
if (make_unreadable) {
#ifndef PLATFORM_WIN32
guint8 *page_start;
int pages, err, len;
- addr = info->mem_begin;
- len = info->mem_end - info->mem_begin;
+ addr = amodule->mem_begin;
+ len = amodule->mem_end - amodule->mem_begin;
/* Round down in both directions to avoid modifying data which is not ours */
page_start = (guint8 *) (((gssize) (addr)) & ~ (PAGESIZE - 1)) + PAGESIZE;
mono_aot_lock ();
- aot_code_low_addr = MIN (aot_code_low_addr, (gsize)info->code);
- aot_code_high_addr = MAX (aot_code_high_addr, (gsize)info->code_end);
+ aot_code_low_addr = MIN (aot_code_low_addr, (gsize)amodule->code);
+ aot_code_high_addr = MAX (aot_code_high_addr, (gsize)amodule->code_end);
- g_hash_table_insert (aot_modules, assembly, info);
+ g_hash_table_insert (aot_modules, assembly, amodule);
mono_aot_unlock ();
- mono_jit_info_add_aot_module (assembly->image, info->code, info->code_end);
+ mono_jit_info_add_aot_module (assembly->image, amodule->code, amodule->code_end);
+
+ assembly->image->aot_module = amodule;
/*
* Since we store methoddef and classdef tokens when referring to methods/classes in
* MS calls this 'hard binding'. This means we have to load all referenced assemblies
* non-lazily, since we can't handle out-of-date errors later.
*/
- for (i = 0; i < info->image_table_len; ++i)
- load_image (info, i);
+ for (i = 0; i < amodule->image_table_len; ++i)
+ load_image (amodule, i);
- if (info->out_of_date)
+ if (amodule->out_of_date) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT Module %s is unusable because a dependency is out-of-date.\n", assembly->image->name);
+ if (mono_aot_only) {
+ fprintf (stderr, "Failed to load AOT module '%s' while running in aot-only mode because a dependency cannot be found or it is out of date.\n", aot_name);
+ exit (1);
+ }
+ }
else
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT loaded AOT Module for %s.\n", assembly->image->name);
}
+/*
+ * mono_aot_register_globals:
+ *
+ * This is called by the ctor function in AOT images compiled with the
+ * 'no-dlsym' option.
+ */
+void
+mono_aot_register_globals (gpointer *globals)
+{
+ TlsSetValue (globals_tls_id, globals);
+}
+
+/*
+ * mono_aot_register_module:
+ *
+ * This should be called by embedding code to register AOT modules statically linked
+ * into the executable. AOT_INFO should be the value of the
+ * 'mono_aot_module_<ASSEMBLY_NAME>_info' global symbol from the AOT module.
+ */
+void
+mono_aot_register_module (gpointer *aot_info)
+{
+ gpointer *globals;
+ char *aname;
+
+ globals = aot_info;
+ g_assert (globals);
+
+ /* Determine the assembly name */
+ find_symbol (NULL, globals, "mono_aot_assembly_name", (gpointer*)&aname);
+ g_assert (aname);
+
+ /* This could be called before startup */
+ if (aot_modules)
+ mono_aot_lock ();
+
+ if (!static_aot_modules)
+ static_aot_modules = g_hash_table_new (g_str_hash, g_str_equal);
+
+ g_hash_table_insert (static_aot_modules, aname, globals);
+
+ if (aot_modules)
+ mono_aot_unlock ();
+}
+
void
mono_aot_init (void)
{
InitializeCriticalSection (&aot_mutex);
aot_modules = g_hash_table_new (NULL, NULL);
+ globals_tls_id = TlsAlloc ();
mono_install_assembly_load_hook (load_aot_module, NULL);
info->no_special_static_fields = (flags >> 7) & 0x1;
if (info->has_cctor) {
- MonoImage *cctor_image = decode_method_ref (module, &info->cctor_token, buf, &buf);
+ MonoImage *cctor_image = decode_method_ref (module, &info->cctor_token, NULL, buf, &buf);
if (!cctor_image)
return FALSE;
}
if (info->has_finalize) {
- info->finalize_image = decode_method_ref (module, &info->finalize_token, buf, &buf);
+ info->finalize_image = decode_method_ref (module, &info->finalize_token, NULL, buf, &buf);
if (!info->finalize_image)
return FALSE;
}
mono_aot_get_method_from_vt_slot (MonoDomain *domain, MonoVTable *vtable, int slot)
{
int i;
- MonoAotModule *aot_module;
MonoClass *klass = vtable->klass;
+ MonoAotModule *aot_module = klass->image->aot_module;
guint8 *info, *p;
MonoCachedClassInfo class_info;
gboolean err;
guint32 token;
MonoImage *image;
- if (MONO_CLASS_IS_INTERFACE (klass) || klass->rank || !klass->image->assembly->aot_module)
- return NULL;
-
- mono_aot_lock ();
-
- aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, klass->image->assembly);
- if (!aot_module) {
- mono_aot_unlock ();
+ if (MONO_CLASS_IS_INTERFACE (klass) || klass->rank || !aot_module)
return NULL;
- }
info = &aot_module->class_info [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
p = info;
err = decode_cached_class_info (aot_module, &class_info, p, &p);
- if (!err) {
- mono_aot_unlock ();
+ if (!err)
return NULL;
- }
for (i = 0; i < slot; ++i)
- decode_method_ref (aot_module, &token, p, &p);
+ decode_method_ref (aot_module, &token, NULL, p, &p);
- image = decode_method_ref (aot_module, &token, p, &p);
- if (!image) {
- mono_aot_unlock ();
+ image = decode_method_ref (aot_module, &token, NULL, p, &p);
+ if (!image)
return NULL;
- }
-
- mono_aot_unlock ();
return mono_aot_get_method_from_token (domain, image, token);
}
gboolean
mono_aot_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
{
- MonoAotModule *aot_module;
+ MonoAotModule *aot_module = klass->image->aot_module;
guint8 *p;
gboolean err;
- if (klass->rank || !klass->image->assembly->aot_module)
- return FALSE;
-
- mono_aot_lock ();
-
- aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, klass->image->assembly);
- if (!aot_module) {
- mono_aot_unlock ();
+ if (klass->rank || !aot_module)
return FALSE;
- }
p = (guint8*)&aot_module->class_info [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
err = decode_cached_class_info (aot_module, res, p, &p);
- if (!err) {
- mono_aot_unlock ();
+ if (!err)
return FALSE;
- }
-
- mono_aot_unlock ();
return TRUE;
}
gboolean
mono_aot_get_class_from_name (MonoImage *image, const char *name_space, const char *name, MonoClass **klass)
{
- MonoAotModule *aot_module;
+ MonoAotModule *aot_module = image->aot_module;
guint16 *table, *entry;
guint16 table_size;
guint32 hash;
guint32 cols [MONO_TYPEDEF_SIZE];
GHashTable *nspace_table;
- if (!aot_modules)
+ if (!aot_module || !aot_module->class_name_table)
return FALSE;
mono_aot_lock ();
- aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, image->assembly);
- if (!aot_module || !aot_module->class_name_table) {
- mono_aot_unlock ();
- return FALSE;
- }
-
*klass = NULL;
/* First look in the cache */
int i, buf_len;
MonoJitInfo *jinfo;
guint code_len, used_int_regs;
+ gboolean has_generic_jit_info;
guint8 *p;
MonoMethodHeader *header;
+ int generic_info_size;
header = mono_method_get_header (method);
p = ex_info;
code_len = decode_value (p, &p);
used_int_regs = decode_value (p, &p);
+ has_generic_jit_info = decode_value (p, &p);
+ if (has_generic_jit_info)
+ generic_info_size = sizeof (MonoGenericJitInfo);
+ else
+ generic_info_size = 0;
/* Exception table */
- if (header->num_clauses) {
+ if (header && header->num_clauses) {
jinfo =
- mono_mempool_alloc0 (domain->mp, sizeof (MonoJitInfo) + (sizeof (MonoJitExceptionInfo) * header->num_clauses));
+ mono_mempool_alloc0 (domain->mp, sizeof (MonoJitInfo) + (sizeof (MonoJitExceptionInfo) * header->num_clauses) + generic_info_size);
jinfo->num_clauses = header->num_clauses;
for (i = 0; i < header->num_clauses; ++i) {
}
}
else
- jinfo = mono_mempool_alloc0 (domain->mp, sizeof (MonoJitInfo));
+ jinfo = mono_mempool_alloc0 (domain->mp, sizeof (MonoJitInfo) + generic_info_size);
jinfo->code_size = code_len;
jinfo->used_regs = used_int_regs;
jinfo->code_start = code;
jinfo->domain_neutral = 0;
+ if (has_generic_jit_info) {
+ MonoGenericJitInfo *gi;
+
+ jinfo->has_generic_jit_info = 1;
+
+ gi = mono_jit_info_get_generic_jit_info (jinfo);
+ g_assert (gi);
+
+ gi->has_this = decode_value (p, &p);
+ gi->this_reg = decode_value (p, &p);
+ gi->this_offset = decode_value (p, &p);
+
+ /* This currently contains no data */
+ gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
+
+ jinfo->method = decode_method_ref_2 (aot_module, p, &p);
+ }
+
/* Load debug info */
buf_len = decode_value (p, &p);
mono_debug_add_aot_method (domain, method, code, p, buf_len);
MonoJitInfo *
mono_aot_find_jit_info (MonoDomain *domain, MonoImage *image, gpointer addr)
{
- MonoAssembly *ass = image->assembly;
- MonoDl *module = ass->aot_module;
int pos, left, right, offset, offset1, offset2, last_offset, new_offset, page_index, method_index, table_len;
guint32 token;
- MonoAotModule *aot_module;
+ MonoAotModule *aot_module = image->aot_module;
MonoMethod *method;
MonoJitInfo *jinfo;
guint8 *code, *ex_info;
guint32 *table, *ptr;
gboolean found;
- if (!module)
+ if (!aot_module)
return NULL;
- aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, ass);
-
if (domain != mono_get_root_domain ())
/* FIXME: */
return NULL;
return jinfo;
}
+/* Keep it in sync with the version in aot-compiler.c */
+static inline gboolean
+is_shared_got_patch (MonoJumpInfo *patch_info)
+{
+ switch (patch_info->type) {
+ case MONO_PATCH_INFO_VTABLE:
+ case MONO_PATCH_INFO_CLASS:
+ case MONO_PATCH_INFO_IID:
+ case MONO_PATCH_INFO_ADJUSTED_IID:
+ case MONO_PATCH_INFO_FIELD:
+ case MONO_PATCH_INFO_SFLDA:
+ case MONO_PATCH_INFO_DECLSEC:
+ case MONO_PATCH_INFO_LDTOKEN:
+ case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
+ case MONO_PATCH_INFO_RVA:
+ case MONO_PATCH_INFO_METHODCONST:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
static gboolean
-decode_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, MonoJumpInfo *ji, guint8 *buf, guint8 **endbuf, guint32 *got_offset)
+decode_patch (MonoAotModule *aot_module, MonoMemPool *mp, MonoJumpInfo *ji, guint8 *buf, guint8 **endbuf)
{
guint8 *p = buf;
gpointer *table;
switch (ji->type) {
case MONO_PATCH_INFO_METHOD:
- case MONO_PATCH_INFO_METHODCONST:
case MONO_PATCH_INFO_METHOD_JUMP:
- case MONO_PATCH_INFO_ICALL_ADDR: {
+ case MONO_PATCH_INFO_ICALL_ADDR:
+ case MONO_PATCH_INFO_METHOD_RGCTX: {
guint32 token;
+ MonoMethod *method;
- image = decode_method_ref (aot_module, &token, p, &p);
+ image = decode_method_ref (aot_module, &token, &method, p, &p);
if (!image)
goto cleanup;
#ifdef MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
- if (!mono_aot_only && (ji->type == MONO_PATCH_INFO_METHOD) && (mono_metadata_token_table (token) == MONO_TABLE_METHOD)) {
+ if (!method && !mono_aot_only && (ji->type == MONO_PATCH_INFO_METHOD) && (mono_metadata_token_table (token) == MONO_TABLE_METHOD)) {
ji->data.target = mono_create_jit_trampoline_from_token (image, token);
ji->type = MONO_PATCH_INFO_ABS;
}
else {
- ji->data.method = mono_get_method (image, token, NULL);
+ if (method)
+ ji->data.method = method;
+ else
+ ji->data.method = mono_get_method (image, token, NULL);
g_assert (ji->data.method);
mono_class_init (ji->data.method->klass);
}
break;
}
- case MONO_PATCH_INFO_WRAPPER: {
- guint32 wrapper_type;
-
- wrapper_type = decode_value (p, &p);
-
- ji->type = MONO_PATCH_INFO_METHOD;
-
- switch (wrapper_type) {
- case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: {
- guint32 image_index, token, value;
-
- value = decode_value (p, &p);
- image_index = value >> 24;
- token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
-
- image = load_image (aot_module, image_index);
- if (!image)
- goto cleanup;
- ji->data.method = mono_get_method (image, token, NULL);
- g_assert (ji->data.method);
- mono_class_init (ji->data.method->klass);
-
- ji->data.method = mono_marshal_get_remoting_invoke_with_check (ji->data.method);
- break;
- }
- case MONO_WRAPPER_PROXY_ISINST: {
- MonoClass *klass = decode_klass_ref (aot_module, p, &p);
- if (!klass)
- goto cleanup;
- ji->data.method = mono_marshal_get_proxy_cancast (klass);
- break;
- }
- case MONO_WRAPPER_LDFLD:
- case MONO_WRAPPER_LDFLDA:
- case MONO_WRAPPER_STFLD:
- case MONO_WRAPPER_ISINST: {
- MonoClass *klass = decode_klass_ref (aot_module, p, &p);
- if (!klass)
- goto cleanup;
- if (wrapper_type == MONO_WRAPPER_LDFLD)
- ji->data.method = mono_marshal_get_ldfld_wrapper (&klass->byval_arg);
- else if (wrapper_type == MONO_WRAPPER_LDFLDA)
- ji->data.method = mono_marshal_get_ldflda_wrapper (&klass->byval_arg);
- else if (wrapper_type == MONO_WRAPPER_STFLD)
- ji->data.method = mono_marshal_get_stfld_wrapper (&klass->byval_arg);
- else if (wrapper_type == MONO_WRAPPER_ISINST)
- ji->data.method = mono_marshal_get_isinst (klass);
- else
- g_assert_not_reached ();
- break;
- }
- case MONO_WRAPPER_LDFLD_REMOTE:
- ji->data.method = mono_marshal_get_ldfld_remote_wrapper (NULL);
- break;
- case MONO_WRAPPER_STFLD_REMOTE:
- ji->data.method = mono_marshal_get_stfld_remote_wrapper (NULL);
- break;
- case MONO_WRAPPER_ALLOC: {
- int atype = decode_value (p, &p);
-
- ji->data.method = mono_gc_get_managed_allocator_by_type (atype);
- break;
- }
- case MONO_WRAPPER_STELEMREF:
- ji->data.method = mono_marshal_get_stelemref ();
- break;
- default:
- g_assert_not_reached ();
- }
- break;
- }
- case MONO_PATCH_INFO_INTERNAL_METHOD:
- case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
- guint32 len = decode_value (p, &p);
+ case MONO_PATCH_INFO_INTERNAL_METHOD:
+ case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
+ guint32 len = decode_value (p, &p);
ji->data.name = (char*)p;
p += len + 1;
break;
}
+ case MONO_PATCH_INFO_METHODCONST:
+ /* Shared */
+ ji->data.method = decode_method_ref_2 (aot_module, p, &p);
+ if (!ji->data.method)
+ goto cleanup;
+ break;
case MONO_PATCH_INFO_VTABLE:
case MONO_PATCH_INFO_CLASS:
case MONO_PATCH_INFO_IID:
case MONO_PATCH_INFO_ADJUSTED_IID:
- *got_offset = decode_value (p, &p);
-
- if (aot_module->got [*got_offset]) {
- /* Already loaded */
- //printf ("HIT!\n");
- } else {
- guint8 *tmp = aot_module->got_info + aot_module->got_info_offsets [*got_offset];
- ji->data.klass = decode_klass_ref (aot_module, tmp, &tmp);
- if (!ji->data.klass)
- goto cleanup;
- }
+ /* Shared */
+ ji->data.klass = decode_klass_ref (aot_module, p, &p);
+ if (!ji->data.klass)
+ goto cleanup;
break;
case MONO_PATCH_INFO_CLASS_INIT:
case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
break;
case MONO_PATCH_INFO_FIELD:
case MONO_PATCH_INFO_SFLDA:
- *got_offset = decode_value (p, &p);
-
- if (aot_module->got [*got_offset]) {
- /* Already loaded */
- //printf ("HIT2!\n");
- } else {
- guint8 *tmp = aot_module->got_info + aot_module->got_info_offsets [*got_offset];
- ji->data.field = decode_field_info (aot_module, tmp, &tmp);
- if (!ji->data.field)
- goto cleanup;
- }
+ /* Shared */
+ ji->data.field = decode_field_info (aot_module, p, &p);
+ if (!ji->data.field)
+ goto cleanup;
break;
case MONO_PATCH_INFO_SWITCH:
ji->data.table = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoBBTable));
case MONO_PATCH_INFO_DECLSEC:
case MONO_PATCH_INFO_LDTOKEN:
case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
- *got_offset = decode_value (p, &p);
-
- if (aot_module->got [*got_offset]) {
- /* Already loaded */
- } else {
- guint8 *tmp = aot_module->got_info + aot_module->got_info_offsets [*got_offset];
- image = load_image (aot_module, decode_value (tmp, &tmp));
- if (!image)
- goto cleanup;
- ji->data.token = mono_jump_info_token_new (mp, image, decode_value (tmp, &tmp));
- }
+ /* Shared */
+ image = load_image (aot_module, decode_value (p, &p));
+ if (!image)
+ goto cleanup;
+ ji->data.token = mono_jump_info_token_new (mp, image, decode_value (p, &p));
break;
case MONO_PATCH_INFO_EXC_NAME:
ji->data.klass = decode_klass_ref (aot_module, p, &p);
ji->data.offset = decode_value (p, &p);
break;
case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
+ case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
break;
+ case MONO_PATCH_INFO_RGCTX_FETCH: {
+ gboolean res;
+ MonoJumpInfoRgctxEntry *entry;
+
+ entry = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoRgctxEntry));
+ entry->method = decode_method_ref_2 (aot_module, p, &p);
+ entry->in_mrgctx = decode_value (p, &p);
+ entry->info_type = decode_value (p, &p);
+ entry->data = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfo));
+ entry->data->type = decode_value (p, &p);
+
+ res = decode_patch (aot_module, mp, entry->data, p, &p);
+ if (!res)
+ goto cleanup;
+ ji->data.rgctx_entry = entry;
+ break;
+ }
default:
g_warning ("unhandled type %d", ji->type);
g_assert_not_reached ();
return FALSE;
}
+static gboolean
+decode_got_entry (MonoAotModule *aot_module, MonoMemPool *mp, MonoJumpInfo *ji, guint8 *buf, guint8 **endbuf, guint32 *got_offset)
+{
+ guint8 *p = buf;
+ guint8 *shared_p;
+ gboolean res;
+
+ if (is_shared_got_patch (ji)) {
+ *got_offset = decode_value (p, &p);
+
+ if (aot_module->got [*got_offset]) {
+ /* Already loaded */
+ //printf ("HIT!\n");
+ } else {
+ shared_p = aot_module->got_info + aot_module->got_info_offsets [*got_offset];
+
+ res = decode_patch (aot_module, mp, ji, shared_p, &shared_p);
+ if (!res)
+ return FALSE;
+ }
+ } else {
+ res = decode_patch (aot_module, mp, ji, p, &p);
+ if (!res)
+ return FALSE;
+ }
+
+ *endbuf = p;
+ return TRUE;
+}
+
static MonoJumpInfo*
load_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, int n_patches,
guint32 got_index, guint32 **got_slots,
for (pindex = 0; pindex < n_patches; ++pindex) {
MonoJumpInfo *ji = &patches [pindex];
- if (!decode_patch_info (aot_module, mp, ji, p, &p, (*got_slots) + pindex))
+ if (!decode_got_entry (aot_module, mp, ji, p, &p, (*got_slots) + pindex))
goto cleanup;
if ((*got_slots) [pindex] == 0xffffffff)
return NULL;
}
-
-static gpointer
-mono_aot_get_method_inner (MonoDomain *domain, MonoMethod *method)
+
+static void
+register_jump_target_got_slot (MonoDomain *domain, MonoMethod *method, gpointer *got_slot)
+{
+ /*
+ * Jump addresses cannot be patched by the trampoline code since it
+ * does not have access to the caller's address. Instead, we collect
+ * the addresses of the GOT slots pointing to a method, and patch
+ * them after the method has been compiled.
+ */
+ MonoJitDomainInfo *info = jit_domain_info (domain);
+ GSList *list;
+
+ mono_domain_lock (domain);
+ if (!info->jump_target_got_slot_hash)
+ info->jump_target_got_slot_hash = g_hash_table_new (NULL, NULL);
+ list = g_hash_table_lookup (info->jump_target_got_slot_hash, method);
+ list = g_slist_prepend (list, got_slot);
+ g_hash_table_insert (info->jump_target_got_slot_hash, method, list);
+ mono_domain_unlock (domain);
+}
+
+gpointer
+mono_aot_get_method (MonoDomain *domain, MonoMethod *method)
{
MonoClass *klass = method->klass;
- MonoAssembly *ass = klass->image->assembly;
- MonoDl *module = ass->aot_module;
guint32 method_index = mono_metadata_token_index (method->token) - 1;
guint8 *code, *info;
- MonoAotModule *aot_module;
+ MonoAotModule *aot_module = klass->image->aot_module;
- if (!module)
+ if (!aot_module)
return NULL;
if (mono_profiler_get_events () & MONO_PROFILE_ENTER_LEAVE)
(method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
(method->flags & METHOD_ATTRIBUTE_ABSTRACT))
return NULL;
-
- aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, ass);
g_assert (klass->inited);
if (!method->wrapper_type || !aot_module->wrapper_info)
return NULL;
+ mono_aot_lock ();
+
+ /* Avoid doing a hash table lookup using strings if possible */
+ if (!aot_module->wrappers_to_code)
+ aot_module->wrappers_to_code = g_hash_table_new (mono_aligned_addr_hash, NULL);
+ code = g_hash_table_lookup (aot_module->wrappers_to_code, method);
+ if (code) {
+ mono_aot_unlock ();
+ return code;
+ }
+
/* Try to find the wrapper among the wrapper info */
- full_name = mono_method_full_name (method, TRUE);
- p = (char*)aot_module->wrapper_info;
- while (*p) {
- char *end;
-
- end = p + strlen (p) + 1;
- end = ALIGN_PTR_TO (end, 4);
- method_index = *(guint32*)end;
- end += 4;
- if (strcmp (full_name, p) == 0)
- break;
- p = end;
+ /* FIXME: This is a hack to work around the fact that runtime invoke wrappers get assigned to some random class */
+ if (method->wrapper_type == MONO_WRAPPER_RUNTIME_INVOKE) {
+ char *tmpsig = mono_signature_get_desc (mono_method_signature (method), TRUE);
+ full_name = g_strdup_printf ("(wrapper runtime-invoke):%s (%s)", method->name, tmpsig);
+ g_free (tmpsig);
+ } else {
+ full_name = mono_method_full_name (method, TRUE);
}
- g_free (full_name);
- if (!(*p))
- /* Not found */
+ /* Create a hash table to avoid repeated linear searches */
+ if (!aot_module->wrappers_by_name) {
+ aot_module->wrappers_by_name = g_hash_table_new (g_str_hash, g_str_equal);
+ p = (char*)aot_module->wrapper_info;
+ while (*p) {
+ char *end;
+
+ end = p + strlen (p) + 1;
+ end = ALIGN_PTR_TO (end, 4);
+ method_index = *(guint32*)end;
+ end += 4;
+ /* The + 1 is used to distinguish a 0 index from a not-found one */
+ g_hash_table_insert (aot_module->wrappers_by_name, p, GUINT_TO_POINTER (method_index + 1));
+ p = end;
+ }
+ }
+ method_index = GPOINTER_TO_UINT (g_hash_table_lookup (aot_module->wrappers_by_name, full_name));
+ mono_aot_unlock ();
+
+ g_free (full_name);
+ if (!method_index)
return NULL;
+ method_index --;
+
/* Needed by find_jit_info */
mono_aot_lock ();
if (!aot_module->wrappers)
code = &aot_module->code [aot_module->code_offsets [method_index]];
info = &aot_module->method_info [aot_module->method_info_offsets [method_index]];
+ mono_aot_lock ();
if (!aot_module->methods_loaded)
aot_module->methods_loaded = g_new0 (guint32, klass->image->tables [MONO_TABLE_METHOD].rows + 1);
+ mono_aot_unlock ();
if ((aot_module->methods_loaded [method_index / 32] >> (method_index % 32)) & 0x1)
return code;
jinfo = decode_exception_debug_info (aot_module, domain, method, ex_info, code);
}
+ mono_domain_lock (domain);
code2 = mono_code_manager_reserve (domain->code_mp, jinfo->code_size);
+ mono_domain_unlock (domain);
memcpy (code2, code, jinfo->code_size);
mono_arch_flush_icache (code2, jinfo->code_size);
code = code2;
if (patches == NULL)
goto cleanup;
- /* Do this outside the lock to avoid deadlocks */
- mono_aot_unlock ();
non_got_patches = FALSE;
for (pindex = 0; pindex < n_patches; ++pindex) {
MonoJumpInfo *ji = &patches [pindex];
if (is_got_patch (ji->type)) {
- if (!aot_module->got [got_slots [pindex]])
+ if (!aot_module->got [got_slots [pindex]]) {
aot_module->got [got_slots [pindex]] = mono_resolve_patch_target (method, domain, code, ji, TRUE);
+ if (ji->type == MONO_PATCH_INFO_METHOD_JUMP)
+ register_jump_target_got_slot (domain, ji->data.method, &(aot_module->got [got_slots [pindex]]));
+ }
ji->type = MONO_PATCH_INFO_NONE;
}
else
make_writable (code, jinfo->code_size);
mono_arch_patch_code (method, domain, code, patch_info, TRUE);
}
- mono_aot_lock ();
g_free (got_slots);
mono_mempool_destroy (mp);
}
+ mono_aot_lock ();
+
mono_jit_stats.methods_aot++;
if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
init_plt (aot_module);
+ if (method->wrapper_type)
+ g_hash_table_insert (aot_module->wrappers_to_code, method, code);
+
+ mono_aot_unlock ();
+
return code;
cleanup:
return NULL;
}
+/**
+ * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
+ * method.
+ */
gpointer
-mono_aot_get_method (MonoDomain *domain, MonoMethod *method)
-{
- gpointer code;
-
- mono_aot_lock ();
- code = mono_aot_get_method_inner (domain, method);
- mono_aot_unlock ();
-
- return code;
-}
-
-static gpointer
-mono_aot_get_method_from_token_inner (MonoDomain *domain, MonoImage *image, guint32 token, MonoClass **klass)
+mono_aot_get_method_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
{
- MonoAssembly *ass = image->assembly;
MonoMemPool *mp;
int i, method_index, pindex, got_index, n_patches, used_strings;
gboolean keep_patches = TRUE;
guint8 *p;
- MonoDl *module = ass->aot_module;
guint8 *code = NULL;
guint8 *info;
- MonoAotModule *aot_module;
-
- *klass = NULL;
+ MonoAotModule *aot_module = image->aot_module;
+ MonoClass *klass;
- if (!module)
+ if (!aot_module)
return NULL;
if (mono_profiler_get_events () & MONO_PROFILE_ENTER_LEAVE)
return NULL;
- aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, ass);
-
if (domain != mono_get_root_domain ())
return NULL;
code = &aot_module->code [aot_module->code_offsets [method_index]];
info = &aot_module->method_info [aot_module->method_info_offsets [method_index]];
+ mono_aot_lock ();
if (!aot_module->methods_loaded)
aot_module->methods_loaded = g_new0 (guint32, image->tables [MONO_TABLE_METHOD].rows + 1);
+ mono_aot_unlock ();
if ((aot_module->methods_loaded [method_index / 32] >> (method_index % 32)) & 0x1)
return code;
}
p = info;
- *klass = decode_klass_ref (aot_module, p, &p);
+ klass = decode_klass_ref (aot_module, p, &p);
if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
MonoMethod *method = mono_get_method (image, token, NULL);
if (patches == NULL)
goto cleanup;
- /* Do this outside the lock to avoid deadlocks */
- mono_aot_unlock ();
-
for (pindex = 0; pindex < n_patches; ++pindex) {
MonoJumpInfo *ji = &patches [pindex];
if (is_got_patch (ji->type)) {
- if (!aot_module->got [got_slots [pindex]])
+ if (!aot_module->got [got_slots [pindex]]) {
aot_module->got [got_slots [pindex]] = mono_resolve_patch_target (NULL, domain, code, ji, TRUE);
+ if (ji->type == MONO_PATCH_INFO_METHOD_JUMP)
+ register_jump_target_got_slot (domain, ji->data.method, &(aot_module->got [got_slots [pindex]]));
+ }
ji->type = MONO_PATCH_INFO_NONE;
}
}
- mono_aot_lock ();
-
g_free (got_slots);
if (!keep_patches)
mono_jit_stats.methods_aot++;
+ mono_aot_lock ();
+
aot_module->methods_loaded [method_index / 32] |= 1 << (method_index % 32);
init_plt (aot_module);
+ mono_aot_unlock ();
+
+ if (klass)
+ mono_runtime_class_init (mono_class_vtable (domain, klass));
+
return code;
cleanup:
return NULL;
}
-/**
- * Same as mono_aot_get_method, but we try to avoid loading any metadata from the
- * method.
- */
-gpointer
-mono_aot_get_method_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
-{
- gpointer res;
- MonoClass *klass;
-
- mono_aot_lock ();
- res = mono_aot_get_method_from_token_inner (domain, image, token, &klass);
- mono_aot_unlock ();
-
- if (!res)
- return NULL;
-
- if (klass)
- mono_runtime_class_init (mono_class_vtable (domain, klass));
-
- return res;
-}
-
typedef struct {
guint8 *addr;
gboolean res;
MonoJumpInfo ji;
MonoAotModule *module = (MonoAotModule*)aot_module;
gboolean res;
+ MonoMemPool *mp;
//printf ("DYN: %p %d\n", aot_module, plt_info_offset);
ji.type = decode_value (p, &p);
- res = decode_patch_info (module, NULL, &ji, p, &p, NULL);
+ mp = mono_mempool_new_size (512);
+ res = decode_patch (module, mp, &ji, p, &p);
// FIXME: Error handling (how ?)
g_assert (res);
target = mono_resolve_patch_target (NULL, mono_domain_get (), NULL, &ji, TRUE);
+ mono_mempool_destroy (mp);
+
/* Patch the PLT entry with target which might be the actual method not a trampoline */
plt_entry = mono_aot_get_plt_entry (code);
g_assert (plt_entry);
if (info->plt_inited)
return;
- tramp = mono_arch_create_specific_trampoline (info, MONO_TRAMPOLINE_AOT_PLT, mono_get_root_domain (), NULL);
+ tramp = mono_create_specific_trampoline (info, MONO_TRAMPOLINE_AOT_PLT, mono_get_root_domain (), NULL);
#ifdef __i386__
/* Initialize the first PLT entry */
make_writable (info->plt, info->plt_end - info->plt);
x86_jump_code (buf, tramp);
-#elif defined(__x86_64__)
+#elif defined(__x86_64__) || defined(__arm__)
/*
* Initialize the entries in the plt_jump_table to point to the default targets.
*/
/* The first entry points to the AOT trampoline */
((gpointer*)info->plt_jump_table)[0] = tramp;
for (i = 1; i < n_entries; ++i)
- /* Each PLT entry is 16 bytes long, the default entry begins at offset 6 */
- ((gpointer*)info->plt_jump_table)[i] = info->plt + (i * 16) + 6;
-#elif defined(__arm__)
- /* Initialize the first PLT entry */
- make_writable (info->plt, info->plt_end - info->plt);
- ((guint32*)info->plt)[1] = (guint32)tramp;
-
- n_entries = ((guint8*)info->plt_end - (guint8*)info->plt) / 8;
-
- /*
- * Initialize the jump targets embedded inside the PLT entries to the default
- * targets.
- */
- for (i = 1; i < n_entries; ++i)
- /* Each PLT entry is 8 bytes long, the jump target is at offset 4 */
- /* Each default PLT target is 12 bytes long */
- ((guint32*)info->plt)[(i * 2) + 1] = (guint8*)info->plt_end + ((i - 1) * 12);
+ /* All the default entries point to the first entry */
+ ((gpointer*)info->plt_jump_table)[i] = info->plt;
#else
g_assert_not_reached ();
#endif
return NULL;
}
+/*
+ * mono_aot_get_plt_info_offset:
+ *
+ * Return the PLT info offset belonging to the plt entry called by CODE.
+ */
+guint32
+mono_aot_get_plt_info_offset (gssize *regs, guint8 *code)
+{
+ guint8 *plt_entry = mono_aot_get_plt_entry (code);
+
+ g_assert (plt_entry);
+
+ /* The offset is embedded inside the code after the plt entry */
+#if defined(__i386__)
+ return *(guint32*)(plt_entry + 5);
+#elif defined(__x86_64__)
+ return *(guint32*)(plt_entry + 6);
+#elif defined(__arm__)
+ /* The offset is stored as the 5th word of the plt entry */
+ return ((guint32*)plt_entry) [4];
+#else
+ g_assert_not_reached ();
+ return 0;
+#endif
+}
+
+static gpointer
+load_named_code (MonoAotModule *amodule, const char *name)
+{
+ char *symbol;
+ guint8 *p;
+ int n_patches, got_index, pindex;
+ MonoMemPool *mp;
+ gpointer code;
+
+ /* Load the code */
+
+ symbol = g_strdup_printf ("%s", name);
+ find_symbol (amodule->sofile, amodule->globals, symbol, (gpointer *)&code);
+ g_free (symbol);
+ if (!code)
+ g_error ("Symbol '%s' not found in AOT file '%s'.\n", name, amodule->aot_name);
+
+ mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT FOUND function '%s' in AOT file '%s'.\n", name, amodule->aot_name);
+
+ /* Load info */
+
+ symbol = g_strdup_printf ("%s_p", name);
+ find_symbol (amodule->sofile, amodule->globals, symbol, (gpointer *)&p);
+ g_free (symbol);
+ if (!p)
+ /* Nothing to patch */
+ return code;
+
+ /* Similar to mono_aot_load_method () */
+
+ n_patches = decode_value (p, &p);
+
+ if (n_patches) {
+ MonoJumpInfo *patches;
+ guint32 *got_slots;
+
+ mp = mono_mempool_new ();
+
+ got_index = decode_value (p, &p);
+
+ patches = load_patch_info (amodule, mp, n_patches, got_index, &got_slots, p, &p);
+ g_assert (patches);
+
+ for (pindex = 0; pindex < n_patches; ++pindex) {
+ MonoJumpInfo *ji = &patches [pindex];
+ gpointer target;
+
+ /*
+ * When this code is executed, the runtime may not yet initalized, so
+ * resolve the patch info by hand.
+ */
+ if (ji->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
+ if (!strcmp (ji->data.name, "mono_get_lmf_addr")) {
+ target = mono_get_lmf_addr;
+ } else if (!strcmp (ji->data.name, "mono_thread_force_interruption_checkpoint")) {
+ target = mono_thread_force_interruption_checkpoint;
+ } else if (!strcmp (ji->data.name, "mono_exception_from_token")) {
+ target = mono_exception_from_token;
+ } else if (!strcmp (ji->data.name, "mono_throw_exception")) {
+ target = mono_get_throw_exception ();
+#ifdef __x86_64__
+ } else if (!strcmp (ji->data.name, "mono_amd64_throw_exception")) {
+ target = mono_amd64_throw_exception;
+#endif
+#ifdef __arm__
+ } else if (!strcmp (ji->data.name, "mono_arm_throw_exception")) {
+ target = mono_arm_throw_exception;
+#endif
+ } else if (strstr (ji->data.name, "trampoline_func_") == ji->data.name) {
+ int tramp_type2 = atoi (ji->data.name + strlen ("trampoline_func_"));
+ target = (gpointer)mono_get_trampoline_func (tramp_type2);
+ } else if (strstr (ji->data.name, "specific_trampoline_lazy_fetch_") == ji->data.name) {
+ guint32 slot = atoi (ji->data.name + strlen ("specific_trampoline_lazy_fetch_"));
+ target = mono_create_specific_trampoline (GUINT_TO_POINTER (slot), MONO_TRAMPOLINE_RGCTX_LAZY_FETCH, mono_get_root_domain (), NULL);
+ } else {
+ fprintf (stderr, "Unknown relocation '%s'\n", ji->data.name);
+ g_assert_not_reached ();
+ target = NULL;
+ }
+ } else {
+ /* Hopefully the code doesn't have patches which need method or
+ * domain to be set.
+ */
+ target = mono_resolve_patch_target (NULL, NULL, code, ji, FALSE);
+ }
+
+ amodule->got [got_slots [pindex]] = target;
+ }
+
+ g_free (got_slots);
+
+ mono_mempool_destroy (mp);
+ }
+
+ return code;
+}
+
+/*
+ * Return the piece of code identified by NAME from the mscorlib AOT file.
+ */
+gpointer
+mono_aot_get_named_code (const char *name)
+{
+ MonoImage *image;
+ MonoAotModule *amodule;
+
+ image = mono_defaults.corlib;
+ g_assert (image);
+
+ amodule = image->aot_module;
+ g_assert (amodule);
+
+ return load_named_code (amodule, name);
+}
+
+/*
+ * Return a specific trampoline from the AOT file.
+ */
+gpointer
+mono_aot_create_specific_trampoline (MonoImage *image, gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
+{
+ MonoAotModule *amodule;
+ int index, tramp_size;
+ guint8 *code, *tramp;
+ static gpointer generic_trampolines [MONO_TRAMPOLINE_NUM];
+
+ /* Currently, we keep all trampolines in the mscorlib AOT image */
+ image = mono_defaults.corlib;
+ g_assert (image);
+
+ mono_aot_lock ();
+
+ amodule = image->aot_module;
+ g_assert (amodule);
+
+ if (amodule->trampoline_index == amodule->num_trampolines)
+ g_error ("Ran out of trampolines in '%s' (%d)\n", image->name, amodule->num_trampolines);
+
+ index = amodule->trampoline_index ++;
+
+ mono_aot_unlock ();
+
+ if (!generic_trampolines [tramp_type]) {
+ char *symbol;
+
+ symbol = g_strdup_printf ("generic_trampoline_%d", tramp_type);
+ generic_trampolines [tramp_type] = mono_aot_get_named_code (symbol);
+ g_free (symbol);
+ }
+
+ tramp = generic_trampolines [tramp_type];
+ g_assert (tramp);
+
+ amodule->got [amodule->first_trampoline_got_offset + (index *2)] = tramp;
+ amodule->got [amodule->first_trampoline_got_offset + (index *2) + 1] = arg1;
+
+#ifdef __x86_64__
+ tramp_size = 16;
+#elif defined(__arm__)
+ tramp_size = 28;
+#else
+ tramp_size = -1;
+ g_assert_not_reached ();
+#endif
+
+ code = amodule->trampolines + (index * tramp_size);
+ if (code_len)
+ *code_len = tramp_size;
+
+ return code;
+}
+
+gpointer
+mono_aot_get_unbox_trampoline (MonoMethod *method)
+{
+ guint32 method_index = mono_metadata_token_index (method->token) - 1;
+ MonoAotModule *amodule;
+ char *symbol;
+ gpointer code;
+
+ amodule = method->klass->image->aot_module;
+ g_assert (amodule);
+
+ symbol = g_strdup_printf ("unbox_trampoline_%d", method_index);
+ code = load_named_code (amodule, symbol);
+ g_free (symbol);
+ return code;
+}
+
+gpointer
+mono_aot_get_lazy_fetch_trampoline (guint32 slot)
+{
+ char *symbol;
+ gpointer code;
+
+ symbol = g_strdup_printf ("rgctx_fetch_trampoline_%u", slot);
+ code = load_named_code (mono_defaults.corlib->aot_module, symbol);
+ g_free (symbol);
+ return code;
+}
+
/*
* mono_aot_get_n_pagefaults:
*
{
return NULL;
}
+
+gpointer
+mono_aot_create_specific_trampolines (gpointer arg1, MonoTrampolineType tramp_type, MonoDomain *domain, guint32 *code_len)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
+
+gpointer
+mono_aot_get_named_code (char *name)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
+
+gpointer
+mono_aot_get_unbox_trampoline (MonoMethod *method)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
+
#endif
projects / mono.git / blobdiff