#include <mono/metadata/gc-internal.h>
#include <mono/metadata/monitor.h>
#include <mono/metadata/threads-types.h>
+#include <mono/metadata/mono-endian.h>
#include <mono/utils/mono-logger-internal.h>
#include <mono/utils/mono-mmap.h>
#include "mono/utils/mono-compiler.h"
#define SHARED_EXT ".dll"
#elif ((defined(__ppc__) || defined(__powerpc__) || defined(__ppc64__)) || defined(__MACH__)) && !defined(__linux__)
#define SHARED_EXT ".dylib"
+#elif defined(__APPLE__) && defined(TARGET_X86) && !defined(__native_client_codegen__)
+#define SHARED_EXT ".dylib"
#else
#define SHARED_EXT ".so"
#endif
guint32 *extra_method_table;
guint32 *extra_method_info_offsets;
guint8 *unwind_info;
+ guint8 *thumb_end;
- /* Points to the GNU .eh_frame_hdr section, if it exists */
- guint8 *eh_frame_hdr;
+ /* Points to the mono EH data created by LLVM */
+ guint8 *mono_eh_frame;
/* Points to the trampolines */
guint8 *trampolines [MONO_AOT_TRAMP_NUM];
if (amodule->out_of_date)
return NULL;
- assembly = mono_assembly_load (&amodule->image_names [index], NULL, &status);
+ assembly = mono_assembly_load (&amodule->image_names [index], amodule->assembly->basedir, &status);
if (!assembly) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is unusable because dependency %s is not found.\n", amodule->aot_name, amodule->image_names [index].name);
amodule->out_of_date = TRUE;
return mono_class_get_field (klass, token);
}
-/*
- * can_method_ref_match_method:
- *
- * Determine if calling decode_resolve_method_ref on P could return the same method as
- * METHOD. This is an optimization to avoid calling decode_resolve_method_ref () which
- * would create MonoMethods which are not needed etc.
- */
-static gboolean
-can_method_ref_match_method (MonoAotModule *module, guint8 *buf, MonoMethod *method)
-{
- guint8 *p = buf;
- guint32 image_index, value;
-
- /* Keep this in sync with decode_method_ref () */
- value = decode_value (p, &p);
- image_index = value >> 24;
-
- if (image_index == MONO_AOT_METHODREF_WRAPPER) {
- guint32 wrapper_type;
-
- if (!method->wrapper_type)
- return FALSE;
-
- wrapper_type = decode_value (p, &p);
-
- if (method->wrapper_type != wrapper_type)
- return FALSE;
- } else if (image_index == MONO_AOT_METHODREF_WRAPPER_NAME) {
- return FALSE;
- } else if (image_index < MONO_AOT_METHODREF_MIN || image_index == MONO_AOT_METHODREF_METHODSPEC || image_index == MONO_AOT_METHODREF_GINST) {
- if (method->wrapper_type)
- return FALSE;
- }
-
- return TRUE;
-}
+/* Stores information returned by decode_method_ref () */
+typedef struct {
+ MonoImage *image;
+ guint32 token;
+ MonoMethod *method;
+ gboolean no_aot_trampoline;
+} MethodRef;
/*
- * decode_method_ref:
+ * decode_method_ref_with_target:
*
- * 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.
+ * Decode a method reference, storing the image/token into a MethodRef structure.
+ * 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 ref->method is set to the method instance.
+ * If TARGET is non-NULL, abort decoding if it can be determined that the decoded method couldn't resolve to TARGET, and return FALSE.
*/
-static MonoImage*
-decode_method_ref (MonoAotModule *module, guint32 *token, MonoMethod **method, gboolean *no_aot_trampoline, guint8 *buf, guint8 **endbuf)
+static gboolean
+decode_method_ref_with_target (MonoAotModule *module, MethodRef *ref, MonoMethod *target, guint8 *buf, guint8 **endbuf)
{
guint32 image_index, value;
MonoImage *image = NULL;
guint8 *p = buf;
- if (method)
- *method = NULL;
- if (no_aot_trampoline)
- *no_aot_trampoline = FALSE;
+ memset (ref, 0, sizeof (MethodRef));
value = decode_value (p, &p);
image_index = value >> 24;
if (image_index == MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE) {
- if (no_aot_trampoline)
- *no_aot_trampoline = TRUE;
+ ref->no_aot_trampoline = TRUE;
value = decode_value (p, &p);
image_index = value >> 24;
}
+ if (image_index < MONO_AOT_METHODREF_MIN || image_index == MONO_AOT_METHODREF_METHODSPEC || image_index == MONO_AOT_METHODREF_GINST) {
+ if (target && target->wrapper_type)
+ return FALSE;
+ }
+
if (image_index == MONO_AOT_METHODREF_WRAPPER) {
guint32 wrapper_type;
wrapper_type = decode_value (p, &p);
+ if (target && target->wrapper_type != wrapper_type)
+ return FALSE;
+
/* Doesn't matter */
image = mono_defaults.corlib;
MonoMethod *m = decode_resolve_method_ref (module, p, &p);
if (!m)
- return NULL;
+ return FALSE;
mono_class_init (m->klass);
- *method = mono_marshal_get_remoting_invoke_with_check (m);
+ ref->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);
+ return FALSE;
+ ref->method = mono_marshal_get_proxy_cancast (klass);
break;
}
case MONO_WRAPPER_LDFLD:
case MONO_WRAPPER_ISINST: {
MonoClass *klass = decode_klass_ref (module, p, &p);
if (!klass)
- return NULL;
+ return FALSE;
if (wrapper_type == MONO_WRAPPER_LDFLD)
- *method = mono_marshal_get_ldfld_wrapper (&klass->byval_arg);
+ ref->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);
+ ref->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);
+ ref->method = mono_marshal_get_stfld_wrapper (&klass->byval_arg);
else if (wrapper_type == MONO_WRAPPER_ISINST)
- *method = mono_marshal_get_isinst (klass);
+ ref->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);
+ ref->method = mono_marshal_get_ldfld_remote_wrapper (NULL);
break;
case MONO_WRAPPER_STFLD_REMOTE:
- *method = mono_marshal_get_stfld_remote_wrapper (NULL);
+ ref->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);
+ ref->method = mono_gc_get_managed_allocator_by_type (atype);
break;
}
case MONO_WRAPPER_WRITE_BARRIER:
- *method = mono_gc_get_write_barrier ();
+ ref->method = mono_gc_get_write_barrier ();
break;
case MONO_WRAPPER_STELEMREF:
- *method = mono_marshal_get_stelemref ();
+ ref->method = mono_marshal_get_stelemref ();
break;
case MONO_WRAPPER_SYNCHRONIZED: {
MonoMethod *m = decode_resolve_method_ref (module, p, &p);
if (!m)
- return NULL;
- *method = mono_marshal_get_synchronized_wrapper (m);
+ return FALSE;
+ ref->method = mono_marshal_get_synchronized_wrapper (m);
break;
}
case MONO_WRAPPER_UNKNOWN: {
MonoMethod *orig_method;
int subtype = decode_value (p, &p);
- if (subtype == MONO_AOT_WRAPPER_MONO_ENTER)
- desc = mono_method_desc_new ("Monitor:Enter", FALSE);
- else if (subtype == MONO_AOT_WRAPPER_MONO_EXIT)
- desc = mono_method_desc_new ("Monitor:Exit", FALSE);
- else
- g_assert_not_reached ();
- orig_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
- g_assert (orig_method);
- mono_method_desc_free (desc);
- *method = mono_monitor_get_fast_path (orig_method);
+ if (subtype == MONO_AOT_WRAPPER_PTR_TO_STRUCTURE || subtype == MONO_AOT_WRAPPER_STRUCTURE_TO_PTR) {
+ MonoClass *klass = decode_klass_ref (module, p, &p);
+
+ if (!klass)
+ return FALSE;
+
+ g_assert (target);
+ if (klass != target->klass)
+ return FALSE;
+
+ if (subtype == MONO_AOT_WRAPPER_PTR_TO_STRUCTURE) {
+ if (strcmp (target->name, "PtrToStructure"))
+ return FALSE;
+ ref->method = mono_marshal_get_ptr_to_struct (klass);
+ } else {
+ if (strcmp (target->name, "StructureToPtr"))
+ return FALSE;
+ ref->method = mono_marshal_get_struct_to_ptr (klass);
+ }
+ } else {
+ if (subtype == MONO_AOT_WRAPPER_MONO_ENTER)
+ desc = mono_method_desc_new ("Monitor:Enter", FALSE);
+ else if (subtype == MONO_AOT_WRAPPER_MONO_EXIT)
+ desc = mono_method_desc_new ("Monitor:Exit", FALSE);
+ else
+ g_assert_not_reached ();
+ orig_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
+ g_assert (orig_method);
+ mono_method_desc_free (desc);
+ ref->method = mono_monitor_get_fast_path (orig_method);
+ }
break;
}
case MONO_WRAPPER_RUNTIME_INVOKE: {
MonoMethod *m = decode_resolve_method_ref (module, p, &p);
if (!m)
- return NULL;
- *method = mono_marshal_get_runtime_invoke (m, FALSE);
+ return FALSE;
+ ref->method = mono_marshal_get_runtime_invoke (m, FALSE);
break;
}
case MONO_WRAPPER_MANAGED_TO_MANAGED: {
int rank = decode_value (p, &p);
int elem_size = decode_value (p, &p);
- *method = mono_marshal_get_array_address (rank, elem_size);
+ ref->method = mono_marshal_get_array_address (rank, elem_size);
} else {
g_assert_not_reached ();
}
break;
}
+ case MONO_WRAPPER_MANAGED_TO_NATIVE: {
+ MonoMethod *m = decode_resolve_method_ref (module, p, &p);
+
+ if (!m)
+ return FALSE;
+
+ /* This should only happen when looking for an extra method */
+ g_assert (target);
+ if (mono_marshal_method_from_wrapper (target) == m)
+ ref->method = target;
+ else
+ return FALSE;
+ break;
+ }
default:
g_assert_not_reached ();
}
} else if (image_index == MONO_AOT_METHODREF_WRAPPER_NAME) {
+ if (target)
+ return FALSE;
/* Can't decode these */
g_assert_not_reached ();
} else if (image_index == MONO_AOT_METHODREF_METHODSPEC) {
image_index = decode_value (p, &p);
- *token = decode_value (p, &p);
+ ref->token = decode_value (p, &p);
image = load_image (module, image_index, TRUE);
if (!image)
- return NULL;
+ return FALSE;
} else if (image_index == MONO_AOT_METHODREF_GINST) {
MonoClass *klass;
MonoGenericContext ctx;
*/
klass = decode_klass_ref (module, p, &p);
if (!klass)
- return NULL;
+ return FALSE;
+
+ if (target && target->klass != klass)
+ return FALSE;
image_index = decode_value (p, &p);
- *token = decode_value (p, &p);
+ ref->token = decode_value (p, &p);
image = load_image (module, image_index, TRUE);
if (!image)
- return NULL;
+ return FALSE;
- *method = mono_get_method_full (image, *token, NULL, NULL);
- if (!(*method))
- return NULL;
+ ref->method = mono_get_method_full (image, ref->token, NULL, NULL);
+ if (!ref->method)
+ return FALSE;
memset (&ctx, 0, sizeof (ctx));
ctx.class_inst = klass->generic_class->context.class_inst;
ctx.method_inst = NULL;
- *method = mono_class_inflate_generic_method_full (*method, klass, &ctx);
+ ref->method = mono_class_inflate_generic_method_full (ref->method, klass, &ctx);
}
memset (&ctx, 0, sizeof (ctx));
if (!decode_generic_context (module, &ctx, p, &p))
- return NULL;
+ return FALSE;
- *method = mono_class_inflate_generic_method_full (*method, klass, &ctx);
+ ref->method = mono_class_inflate_generic_method_full (ref->method, klass, &ctx);
} else if (image_index == MONO_AOT_METHODREF_ARRAY) {
MonoClass *klass;
int method_type;
klass = decode_klass_ref (module, p, &p);
if (!klass)
- return NULL;
+ return FALSE;
method_type = decode_value (p, &p);
- *token = 0;
switch (method_type) {
case 0:
- *method = mono_class_get_method_from_name (klass, ".ctor", klass->rank);
+ ref->method = mono_class_get_method_from_name (klass, ".ctor", klass->rank);
break;
case 1:
- *method = mono_class_get_method_from_name (klass, ".ctor", klass->rank * 2);
+ ref->method = mono_class_get_method_from_name (klass, ".ctor", klass->rank * 2);
break;
case 2:
- *method = mono_class_get_method_from_name (klass, "Get", -1);
+ ref->method = mono_class_get_method_from_name (klass, "Get", -1);
break;
case 3:
- *method = mono_class_get_method_from_name (klass, "Address", -1);
+ ref->method = mono_class_get_method_from_name (klass, "Address", -1);
break;
case 4:
- *method = mono_class_get_method_from_name (klass, "Set", -1);
+ ref->method = mono_class_get_method_from_name (klass, "Set", -1);
break;
default:
g_assert_not_reached ();
}
} else {
g_assert (image_index < MONO_AOT_METHODREF_MIN);
- *token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
+ ref->token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
image = load_image (module, image_index, TRUE);
if (!image)
- return NULL;
+ return FALSE;
}
*endbuf = p;
- return image;
+ ref->image = image;
+
+ return TRUE;
+}
+
+static gboolean
+decode_method_ref (MonoAotModule *module, MethodRef *ref, guint8 *buf, guint8 **endbuf)
+{
+ return decode_method_ref_with_target (module, ref, NULL, buf, endbuf);
}
/*
- * decode_resolve_method_ref:
+ * decode_resolve_method_ref_with_target:
*
* Similar to decode_method_ref, but resolve and return the method itself.
*/
static MonoMethod*
-decode_resolve_method_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
+decode_resolve_method_ref_with_target (MonoAotModule *module, MonoMethod *target, guint8 *buf, guint8 **endbuf)
{
- MonoMethod *method;
- guint32 token;
- MonoImage *image = decode_method_ref (module, &token, &method, NULL, buf, endbuf);
+ MethodRef ref;
+ gboolean res;
- if (method)
- return method;
- if (!image)
+ res = decode_method_ref_with_target (module, &ref, target, buf, endbuf);
+ if (!res)
+ return NULL;
+ if (ref.method)
+ return ref.method;
+ if (!ref.image)
return NULL;
- method = mono_get_method (image, token, NULL);
- return method;
+ return mono_get_method (ref.image, ref.token, NULL);
+}
+
+static MonoMethod*
+decode_resolve_method_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
+{
+ return decode_resolve_method_ref_with_target (module, NULL, buf, endbuf);
}
static void
}
}
-#if defined(HAVE_DL_ITERATE_PHDR) && defined(PT_GNU_EH_FRAME)
-static int
-dl_callback (struct dl_phdr_info *info, size_t size, void *data)
+static gboolean
+check_usable (MonoAssembly *assembly, MonoAotFileInfo *info, char **out_msg)
{
- int j;
- MonoAotModule *amodule = data;
+ char *build_info;
+ char *msg = NULL;
+ gboolean usable = TRUE;
+ gboolean full_aot;
+ guint8 *blob;
+
+ if (strcmp (assembly->image->guid, info->assembly_guid)) {
+ msg = g_strdup_printf ("doesn't match assembly");
+ usable = FALSE;
+ }
+
+ build_info = mono_get_runtime_build_info ();
+ if (strlen (info->runtime_version) > 0 && strcmp (info->runtime_version, build_info)) {
+ msg = g_strdup_printf ("compiled against runtime version '%s' while this runtime has version '%s'", info->runtime_version, build_info);
+ usable = FALSE;
+ }
+ g_free (build_info);
+
+ full_aot = info->flags & MONO_AOT_FILE_FLAG_FULL_AOT;
+
+ if (mono_aot_only && !full_aot) {
+ msg = g_strdup_printf ("not compiled with --aot=full");
+ usable = FALSE;
+ }
+ if (!mono_aot_only && full_aot) {
+ msg = g_strdup_printf ("compiled with --aot=full");
+ usable = FALSE;
+ }
+#ifdef TARGET_ARM
+ /* mono_arch_find_imt_method () requires this */
+ if ((info->flags & MONO_AOT_FILE_FLAG_WITH_LLVM) && !mono_use_llvm) {
+ msg = g_strdup_printf ("compiled against LLVM");
+ usable = FALSE;
+ }
+#endif
+ if (mini_get_debug_options ()->mdb_optimizations && !(info->flags & MONO_AOT_FILE_FLAG_DEBUG) && !full_aot) {
+ msg = g_strdup_printf ("not compiled for debugging");
+ usable = FALSE;
+ }
- if (!strcmp (amodule->aot_name, info->dlpi_name)) {
- for (j = 0; j < info->dlpi_phnum; j++) {
- if (info->dlpi_phdr [j].p_type == PT_GNU_EH_FRAME)
- amodule->eh_frame_hdr = (guint8*)(info->dlpi_addr + info->dlpi_phdr [j].p_vaddr);
+ blob = info->blob;
+
+ if (info->gc_name_index != -1) {
+ char *gc_name = (char*)&blob [info->gc_name_index];
+ const char *current_gc_name = mono_gc_get_gc_name ();
+
+ if (strcmp (current_gc_name, gc_name) != 0) {
+ msg = g_strdup_printf ("compiled against GC %s, while the current runtime uses GC %s.\n", gc_name, current_gc_name);
+ usable = FALSE;
}
- return 1;
- } else {
- return 0;
}
+
+ *out_msg = msg;
+ return usable;
}
-#endif
static void
load_aot_module (MonoAssembly *assembly, gpointer user_data)
MonoAotModule *amodule;
MonoDl *sofile;
gboolean usable = TRUE;
- char *saved_guid = NULL;
- char *aot_version = NULL;
- char *runtime_version, *build_info;
- char *opt_flags = NULL;
+ char *version_symbol = NULL;
+ char *msg = NULL;
gpointer *globals;
- gboolean full_aot = FALSE;
- MonoAotFileInfo *file_info = NULL;
- int i;
- gpointer *got_addr;
+ MonoAotFileInfo *info = NULL;
+ int i, version;
guint8 *blob;
+ gboolean do_load_image = TRUE;
if (mono_compile_aot)
return;
return;
}
- 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);
- find_symbol (sofile, globals, "mono_aot_got_addr", (gpointer *)&got_addr);
-
- 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;
- }
- else {
- if (!saved_guid || strcmp (assembly->image->guid, saved_guid)) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is out of date.\n", aot_name);
- usable = FALSE;
- }
- }
-
- build_info = mono_get_runtime_build_info ();
- if (!runtime_version || ((strlen (runtime_version) > 0 && strcmp (runtime_version, build_info)))) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is compiled against runtime version '%s' while this runtime has version '%s'.\n", aot_name, runtime_version, build_info);
- usable = FALSE;
- }
- g_free (build_info);
-
- find_symbol (sofile, globals, "mono_aot_file_info", (gpointer*)&file_info);
- g_assert (file_info);
-
- full_aot = ((MonoAotFileInfo*)file_info)->flags & MONO_AOT_FILE_FLAG_FULL_AOT;
+ find_symbol (sofile, globals, "mono_aot_version", (gpointer *) &version_symbol);
+ find_symbol (sofile, globals, "mono_aot_file_info", (gpointer*)&info);
- 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 (version_symbol) {
+ /* Old file format */
+ version = atoi (version_symbol);
+ } else {
+ g_assert (info);
+ version = info->version;
}
- /* This is no longer needed, LLVM and non-LLVM runtimes should be compatible.
- if ((((MonoAotFileInfo*)file_info)->flags & MONO_AOT_FILE_FLAG_WITH_LLVM) && !mono_use_llvm) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is compiled with LLVM.\n", aot_name);
+ if (version != MONO_AOT_FILE_VERSION) {
+ msg = g_strdup_printf ("wrong file format version (expected %d got %d)", MONO_AOT_FILE_VERSION, version);
usable = FALSE;
- }
- */
-
- find_symbol (sofile, globals, "blob", (gpointer*)&blob);
-
- if (((MonoAotFileInfo*)file_info)->gc_name_index != -1) {
- char *gc_name = (char*)&blob [((MonoAotFileInfo*)file_info)->gc_name_index];
- const char *current_gc_name = mono_gc_get_gc_name ();
-
- if (strcmp (current_gc_name, gc_name) != 0) {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is compiled against GC %s, while the current runtime uses GC %s.\n", aot_name, gc_name, current_gc_name);
- usable = FALSE;
- }
+ } else {
+ usable = check_usable (assembly, info, &msg);
}
if (!usable) {
if (mono_aot_only) {
- fprintf (stderr, "Failed to load AOT module '%s' while running in aot-only mode.\n", aot_name);
+ fprintf (stderr, "Failed to load AOT module '%s' while running in aot-only mode: %s.\n", aot_name, msg);
exit (1);
} else {
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is unusable.\n", aot_name);
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT module %s is unusable: %s.\n", aot_name, msg);
}
+ g_free (msg);
g_free (aot_name);
if (sofile)
mono_dl_close (sofile);
return;
}
+ blob = info->blob;
+
amodule = g_new0 (MonoAotModule, 1);
amodule->aot_name = aot_name;
amodule->assembly = assembly;
- memcpy (&amodule->info, file_info, sizeof (*file_info));
+ memcpy (&amodule->info, info, sizeof (*info));
- amodule->got = *got_addr;
+ amodule->got = amodule->info.got;
amodule->got [0] = assembly->image;
amodule->globals = globals;
amodule->sofile = sofile;
guint32 table_len, i;
char *table = NULL;
- find_symbol (sofile, globals, "mono_image_table", (gpointer *)&table);
+ table = info->image_table;
g_assert (table);
table_len = *(guint32*)table;
}
}
- /* Read method and method_info tables */
- find_symbol (sofile, globals, "code_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, "ex_info_offsets", (gpointer*)&amodule->ex_info_offsets);
- 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, "extra_method_table", (gpointer *)&amodule->extra_method_table);
- find_symbol (sofile, globals, "extra_method_info_offsets", (gpointer *)&amodule->extra_method_info_offsets);
- find_symbol (sofile, globals, "got_info_offsets", (gpointer*)&amodule->got_info_offsets);
- find_symbol (sofile, globals, "specific_trampolines", (gpointer*)&(amodule->trampolines [MONO_AOT_TRAMP_SPECIFIC]));
- find_symbol (sofile, globals, "static_rgctx_trampolines", (gpointer*)&(amodule->trampolines [MONO_AOT_TRAMP_STATIC_RGCTX]));
- find_symbol (sofile, globals, "imt_thunks", (gpointer*)&(amodule->trampolines [MONO_AOT_TRAMP_IMT_THUNK]));
- find_symbol (sofile, globals, "unwind_info", (gpointer)&amodule->unwind_info);
- find_symbol (sofile, globals, "mem_end", (gpointer*)&amodule->mem_end);
-
+ amodule->code_offsets = info->code_offsets;
+ amodule->code = info->methods;
+#ifdef TARGET_ARM
+ /* Mask out thumb interop bit */
+ amodule->code = (void*)((mgreg_t)amodule->code & ~1);
+#endif
+ amodule->code_end = info->methods_end;
+ amodule->method_info_offsets = info->method_info_offsets;
+ amodule->ex_info_offsets = info->ex_info_offsets;
+ amodule->class_info_offsets = info->class_info_offsets;
+ amodule->class_name_table = info->class_name_table;
+ amodule->extra_method_table = info->extra_method_table;
+ amodule->extra_method_info_offsets = info->extra_method_info_offsets;
+ amodule->got_info_offsets = info->got_info_offsets;
+ amodule->unwind_info = info->unwind_info;
+ amodule->mem_end = info->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);
+ amodule->plt = info->plt;
+ amodule->plt_end = info->plt_end;
+ amodule->mono_eh_frame = info->mono_eh_frame;
+ amodule->trampolines [MONO_AOT_TRAMP_SPECIFIC] = info->specific_trampolines;
+ amodule->trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = info->static_rgctx_trampolines;
+ amodule->trampolines [MONO_AOT_TRAMP_IMT_THUNK] = info->imt_thunks;
+ amodule->thumb_end = info->thumb_end;
if (make_unreadable) {
#ifndef TARGET_WIN32
mono_jit_info_add_aot_module (assembly->image, amodule->code, amodule->code_end);
assembly->image->aot_module = amodule;
-
-#if defined(HAVE_DL_ITERATE_PHDR) && defined(PT_GNU_EH_FRAME)
- /* Lookup the address of the .eh_frame_hdr () section if available */
- dl_iterate_phdr (dl_callback, amodule);
-#endif
if (mono_aot_only) {
if (mono_defaults.corlib) {
}
}
-#ifdef HAVE_SGEN_GC
- {
+ if (mono_gc_is_moving ()) {
MonoJumpInfo ji;
memset (&ji, 0, sizeof (ji));
amodule->got [2] = mono_resolve_patch_target (NULL, mono_get_root_domain (), NULL, &ji, FALSE);
}
-#endif
/*
* Since we store methoddef and classdef tokens when referring to methods/classes in
* non-lazily, since we can't handle out-of-date errors later.
* The cached class info also depends on the exact assemblies.
*/
- for (i = 0; i < amodule->image_table_len; ++i)
- load_image (amodule, i, FALSE);
+#if defined(__native_client__)
+ /* TODO: Don't 'load_image' on mscorlib due to a */
+ /* recursive loading problem. This should be */
+ /* removed if mscorlib is loaded from disk. */
+ if (strncmp(assembly->aname.name, "mscorlib", 8)) {
+ do_load_image = TRUE;
+ } else {
+ do_load_image = FALSE;
+ }
+#endif
+ if (do_load_image) {
+ for (i = 0; i < amodule->image_table_len; ++i)
+ load_image (amodule, i, FALSE);
+ }
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);
decode_cached_class_info (MonoAotModule *module, MonoCachedClassInfo *info, guint8 *buf, guint8 **endbuf)
{
guint32 flags;
+ MethodRef ref;
+ gboolean res;
info->vtable_size = decode_value (buf, &buf);
if (info->vtable_size == -1)
info->is_generic_container = (flags >> 8) & 0x1;
if (info->has_cctor) {
- MonoImage *cctor_image = decode_method_ref (module, &info->cctor_token, NULL, NULL, buf, &buf);
- if (!cctor_image)
+ res = decode_method_ref (module, &ref, buf, &buf);
+ if (!res)
return FALSE;
+ info->cctor_token = ref.token;
}
if (info->has_finalize) {
- info->finalize_image = decode_method_ref (module, &info->finalize_token, NULL, NULL, buf, &buf);
- if (!info->finalize_image)
+ res = decode_method_ref (module, &ref, buf, &buf);
+ if (!res)
return FALSE;
+ info->finalize_image = ref.image;
+ info->finalize_token = ref.token;
}
info->instance_size = decode_value (buf, &buf);
guint8 *info, *p;
MonoCachedClassInfo class_info;
gboolean err;
- guint32 token;
- MonoImage *image;
- gboolean no_aot_trampoline;
+ MethodRef ref;
+ gboolean res;
if (MONO_CLASS_IS_INTERFACE (klass) || klass->rank || !amodule)
return NULL;
return NULL;
for (i = 0; i < slot; ++i)
- decode_method_ref (amodule, &token, NULL, NULL, p, &p);
+ decode_method_ref (amodule, &ref, p, &p);
- image = decode_method_ref (amodule, &token, NULL, &no_aot_trampoline, p, &p);
- if (!image)
+ res = decode_method_ref (amodule, &ref, p, &p);
+ if (!res)
return NULL;
- if (no_aot_trampoline)
+ if (ref.no_aot_trampoline)
return NULL;
- if (mono_metadata_token_index (token) == 0)
+ if (mono_metadata_token_index (ref.token) == 0)
return NULL;
- return mono_aot_get_method_from_token (domain, image, token);
+ return mono_aot_get_method_from_token (domain, ref.image, ref.token);
}
gboolean
return TRUE;
}
-#define DW_EH_PE_omit 0xff
-#define DW_EH_PE_uleb128 0x01
-#define DW_EH_PE_udata2 0x02
-#define DW_EH_PE_udata4 0x03
-#define DW_EH_PE_udata8 0x04
-#define DW_EH_PE_sleb128 0x09
-#define DW_EH_PE_sdata2 0x0A
-#define DW_EH_PE_sdata4 0x0B
-#define DW_EH_PE_sdata8 0x0C
-
-#define DW_EH_PE_absptr 0x00
-#define DW_EH_PE_pcrel 0x10
-#define DW_EH_PE_datarel 0x30
-#define DW_EH_PE_omit 0xff
-
-typedef struct
-{
- guint8 version;
- guint8 eh_frame_ptr_enc;
- guint8 fde_count_enc;
- guint8 table_enc;
- guint8 rest;
-} eh_frame_hdr;
-
/*
- * decode_eh_frame:
+ * decode_mono_eh_frame:
*
- * Decode the exception handling information in the .eh_frame section of the AOT
- * file belong to CODE, and construct a MonoJitInfo structure from it.
+ * Decode the EH information emitted by our modified LLVM compiler and construct a
+ * MonoJitInfo structure from it.
* LOCKING: Acquires the domain lock.
*/
-static G_GNUC_UNUSED MonoJitInfo*
-decode_eh_frame (MonoAotModule *amodule, MonoDomain *domain,
- MonoMethod *method, guint8 *code,
- MonoJitExceptionInfo *clauses, int num_clauses,
- int extra_size, GSList **nesting,
- int *this_reg, int *this_offset)
-{
- eh_frame_hdr *hdr;
+static MonoJitInfo*
+decode_llvm_mono_eh_frame (MonoAotModule *amodule, MonoDomain *domain,
+ MonoMethod *method, guint8 *code,
+ MonoJitExceptionInfo *clauses, int num_clauses,
+ int extra_size, GSList **nesting,
+ int *this_reg, int *this_offset)
+{
guint8 *p;
- guint8 *eh_frame, *unwind_info;
- guint32 eh_frame_ptr;
- int fde_count;
+ guint8 *fde, *cie, *code_start, *code_end;
+ int version, fde_count;
gint32 *table;
- int i, j, pos, left, right, offset, offset1, offset2;
- guint32 unw_len, code_len;
+ int i, j, pos, left, right, offset, offset1, offset2, code_len;
MonoJitExceptionInfo *ei;
- guint32 ei_len, nested_len, nindex;
+ guint32 fde_len, ei_len, nested_len, nindex;
gpointer *type_info;
MonoJitInfo *jinfo;
+ MonoLLVMFDEInfo info;
- g_assert (amodule->eh_frame_hdr);
+ g_assert (amodule->mono_eh_frame);
- // http://refspecs.freestandards.org/LSB_1.3.0/gLSB/gLSB/ehframehdr.html
- hdr = (eh_frame_hdr*)amodule->eh_frame_hdr;
- g_assert (hdr->version == 1);
- g_assert (hdr->eh_frame_ptr_enc == (DW_EH_PE_pcrel | DW_EH_PE_sdata4));
- g_assert (hdr->fde_count_enc == DW_EH_PE_udata4);
- g_assert (hdr->table_enc == (DW_EH_PE_datarel | DW_EH_PE_sdata4));
+ p = amodule->mono_eh_frame;
+
+ /* p points to data emitted by LLVM in DwarfException::EmitMonoEHFrame () */
+
+ /* Header */
+ version = *p;
+ g_assert (version == 1);
+ p ++;
+ p = ALIGN_PTR_TO (p, 4);
- p = &(hdr->rest);
- eh_frame_ptr = *(guint32*)p;
- p += 4;
fde_count = *(guint32*)p;
p += 4;
table = (gint32*)p;
+ /* There is +1 entry in the table */
+ cie = p + ((fde_count + 1) * 8);
+
/* Binary search in the table to find the entry for code */
- offset = code - amodule->eh_frame_hdr;
+ offset = code - amodule->mono_eh_frame;
left = 0;
right = fde_count;
break;
}
- g_assert (code >= amodule->eh_frame_hdr + table [(pos * 2)]);
- if (pos + 1 < fde_count)
- g_assert (code < amodule->eh_frame_hdr + table [(pos * 2) + 2]);
+ code_start = amodule->mono_eh_frame + table [(pos * 2)];
+ /* This won't overflow because there is +1 entry in the table */
+ code_end = amodule->mono_eh_frame + table [(pos * 2) + 2];
+ code_len = code_end - code_start;
- eh_frame = amodule->eh_frame_hdr + table [(pos * 2) + 1];
+ g_assert (code >= code_start && code < code_end);
- unwind_info = mono_unwind_decode_fde (eh_frame, &unw_len, &code_len, &ei, &ei_len, &type_info, this_reg, this_offset);
+ fde = amodule->mono_eh_frame + table [(pos * 2) + 1];
+ /* This won't overflow because there is +1 entry in the table */
+ fde_len = table [(pos * 2) + 2 + 1] - table [(pos * 2) + 1];
+
+ mono_unwind_decode_llvm_mono_fde (fde, fde_len, cie, code_start, &info);
+ ei = info.ex_info;
+ ei_len = info.ex_info_len;
+ type_info = info.type_info;
+ *this_reg = info.this_reg;
+ *this_offset = info.this_offset;
/* Count number of nested clauses */
nested_len = 0;
for (i = 0; i < ei_len; ++i) {
- gint32 cindex1 = *(gint32*)type_info [i];
+ /* This might be unaligned */
+ gint32 cindex1 = read32 (type_info [i]);
GSList *l;
for (l = nesting [cindex1]; l; l = l->next) {
gint32 nesting_cindex = GPOINTER_TO_INT (l->data);
for (j = 0; j < ei_len; ++j) {
- gint32 cindex2 = *(gint32*)type_info [j];
+ gint32 cindex2 = read32 (type_info [j]);
if (cindex2 == nesting_cindex)
nested_len ++;
mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO + (sizeof (MonoJitExceptionInfo) * (ei_len + nested_len)) + extra_size);
jinfo->code_size = code_len;
- jinfo->used_regs = mono_cache_unwind_info (unwind_info, unw_len);
+ jinfo->used_regs = mono_cache_unwind_info (info.unw_info, info.unw_info_len);
jinfo->method = method;
jinfo->code_start = code;
jinfo->domain_neutral = 0;
* compiler, we have to combine that with the information produced by LLVM
*/
/* The type_info entries contain IL clause indexes */
- int clause_index = *(gint32*)type_info [i];
+ int clause_index = read32 (type_info [i]);
MonoJitExceptionInfo *jei = &jinfo->clauses [i];
MonoJitExceptionInfo *orig_jei = &clauses [clause_index];
jei->try_start = ei [i].try_start;
jei->try_end = ei [i].try_end;
jei->handler_start = ei [i].handler_start;
+
+ /* Make sure we transition to thumb when a handler starts */
+ if (amodule->thumb_end && (guint8*)jei->handler_start < amodule->thumb_end)
+ jei->handler_start = (void*)((mgreg_t)jei->handler_start + 1);
}
/* See exception_cb () in mini-llvm.c as to why this is needed */
nindex = ei_len;
for (i = 0; i < ei_len; ++i) {
- gint32 cindex1 = *(gint32*)type_info [i];
+ gint32 cindex1 = read32 (type_info [i]);
GSList *l;
for (l = nesting [cindex1]; l; l = l->next) {
gint32 nesting_cindex = GPOINTER_TO_INT (l->data);
for (j = 0; j < ei_len; ++j) {
- gint32 cindex2 = *(gint32*)type_info [j];
+ gint32 cindex2 = read32 (type_info [j]);
if (cindex2 == nesting_cindex) {
/*
MonoJitInfo *jinfo;
guint used_int_regs, flags;
gboolean has_generic_jit_info, has_dwarf_unwind_info, has_clauses, has_seq_points, has_try_block_holes;
- gboolean from_llvm;
+ gboolean from_llvm, has_gc_map;
guint8 *p;
- int generic_info_size, try_holes_info_size, num_holes, this_reg, this_offset;
+ int generic_info_size, try_holes_info_size, num_holes, this_reg = 0, this_offset = 0;
/* Load the method info from the AOT file */
has_seq_points = (flags & 8) != 0;
from_llvm = (flags & 16) != 0;
has_try_block_holes = (flags & 32) != 0;
+ has_gc_map = (flags & 64) != 0;
if (has_dwarf_unwind_info) {
guint32 offset;
}
}
- jinfo = decode_eh_frame (amodule, domain, method, code, clauses, num_clauses, generic_info_size + try_holes_info_size, nesting, &this_reg, &this_offset);
+ jinfo = decode_llvm_mono_eh_frame (amodule, domain, method, code, clauses, num_clauses, generic_info_size + try_holes_info_size, nesting, &this_reg, &this_offset);
jinfo->from_llvm = 1;
g_free (clauses);
/* Load debug info */
buf_len = decode_value (p, &p);
mono_debug_add_aot_method (domain, method, code, p, buf_len);
+ p += buf_len;
+
+ if (has_gc_map) {
+ int map_size = decode_value (p, &p);
+ /* The GC map requires 4 bytes of alignment */
+ while ((guint64)(gsize)p % 4)
+ p ++;
+ jinfo->gc_info = p;
+ p += map_size;
+ }
if (amodule != jinfo->method->klass->image->aot_module) {
mono_aot_lock ();
g_hash_table_insert (ji_to_amodule, jinfo, amodule);
mono_aot_unlock ();
}
-
+
return jinfo;
}
/* Compute a sorted table mapping code offsets to method indexes. */
if (!amodule->sorted_code_offsets) {
-
code_offsets = g_new0 (gint32, nmethods * 2);
offsets_len = 0;
for (i = 0; i < nmethods; ++i) {
case MONO_PATCH_INFO_METHOD_JUMP:
case MONO_PATCH_INFO_ICALL_ADDR:
case MONO_PATCH_INFO_METHOD_RGCTX: {
- guint32 token;
- MonoMethod *method;
- gboolean no_aot_trampoline;
+ MethodRef ref;
+ gboolean res;
- image = decode_method_ref (aot_module, &token, &method, &no_aot_trampoline, p, &p);
- if (!image)
+ res = decode_method_ref (aot_module, &ref, p, &p);
+ if (!res)
goto cleanup;
- if (!method && !mono_aot_only && !no_aot_trampoline && (ji->type == MONO_PATCH_INFO_METHOD) && (mono_metadata_token_table (token) == MONO_TABLE_METHOD)) {
- ji->data.target = mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (image, token));
+ if (!ref.method && !mono_aot_only && !ref.no_aot_trampoline && (ji->type == MONO_PATCH_INFO_METHOD) && (mono_metadata_token_table (ref.token) == MONO_TABLE_METHOD)) {
+ ji->data.target = mono_create_ftnptr (mono_domain_get (), mono_create_jit_trampoline_from_token (ref.image, ref.token));
ji->type = MONO_PATCH_INFO_ABS;
}
else {
- if (method)
- ji->data.method = method;
+ if (ref.method)
+ ji->data.method = ref.method;
else
- ji->data.method = mono_get_method (image, token, NULL);
+ ji->data.method = mono_get_method (ref.image, ref.token, NULL);
g_assert (ji->data.method);
mono_class_init (ji->data.method->klass);
}
info = &amodule->blob [mono_aot_get_offset (amodule->method_info_offsets, method_index)];
+ if (amodule->thumb_end && code < amodule->thumb_end) {
+ /* Convert this into a thumb address */
+ g_assert ((amodule->code_offsets [method_index] & 0x1) == 0);
+ code = &amodule->code [amodule->code_offsets [method_index] + 1];
+ }
+
mono_aot_lock ();
if (!amodule->methods_loaded)
amodule->methods_loaded = g_new0 (guint32, amodule->info.nmethods + 1);
index = value;
break;
}
- } else if (can_method_ref_match_method (amodule, p, method)) {
+ } else {
+ guint8 *orig_p = p;
+
mono_aot_lock ();
if (!amodule->method_ref_to_method)
amodule->method_ref_to_method = g_hash_table_new (NULL, NULL);
m = g_hash_table_lookup (amodule->method_ref_to_method, p);
mono_aot_unlock ();
if (!m) {
- guint8 *orig_p = p;
- m = decode_resolve_method_ref (amodule, p, &p);
+ m = decode_resolve_method_ref_with_target (amodule, method, p, &p);
if (m) {
mono_aot_lock ();
g_hash_table_insert (amodule->method_ref_to_method, orig_p, m);
}
/* Methods decoded needlessly */
- /*
- if (m)
- printf ("%d %s %s\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE));
- */
- n_extra_decodes ++;
+ if (m) {
+ //printf ("%d %s %s %p\n", n_extra_decodes, mono_method_full_name (method, TRUE), mono_method_full_name (m, TRUE), orig_p);
+ n_extra_decodes ++;
+ }
}
if (next != 0)
return code;
}
+ /* Same for CompareExchange<T> */
+ if (method_index == 0xffffff && method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE && method->klass->image == mono_defaults.corlib && !strcmp (method->klass->name_space, "System.Threading") && !strcmp (method->klass->name, "Interlocked") && !strcmp (method->name, "CompareExchange")) {
+ MonoMethod *m;
+ MonoGenericContext ctx;
+ MonoType *args [16];
+ gpointer iter = NULL;
+
+ while ((m = mono_class_get_methods (method->klass, &iter))) {
+ if (mono_method_signature (m)->generic_param_count && !strcmp (m->name, "CompareExchange"))
+ break;
+ }
+ g_assert (m);
+
+ memset (&ctx, 0, sizeof (ctx));
+ args [0] = &mono_defaults.object_class->byval_arg;
+ ctx.method_inst = mono_metadata_get_generic_inst (1, args);
+
+ m = mono_marshal_get_native_wrapper (mono_class_inflate_generic_method (m, &ctx), TRUE, TRUE);
+
+ /* Avoid recursion */
+ if (method == m)
+ return NULL;
+
+ /*
+ * Get the code for the <object> instantiation which should be emitted into
+ * the mscorlib aot image by the AOT compiler.
+ */
+ code = mono_aot_get_method (domain, m);
+ if (code)
+ return code;
+ }
+
if (method_index == 0xffffff && method->is_inflated && mono_method_is_generic_sharable_impl_full (method, FALSE, TRUE)) {
/* Partial sharing */
method_index = find_extra_method (mini_get_shared_method (method), &amodule);
guint8*
mono_aot_get_plt_entry (guint8 *code)
{
- MonoAotModule *aot_module = find_aot_module (code);
+ MonoAotModule *amodule = find_aot_module (code);
+ guint8 *target = NULL;
- if (!aot_module)
+ if (!amodule)
return NULL;
-#ifdef MONO_ARCH_AOT_SUPPORTED
- {
- guint8 *target = mono_arch_get_call_target (code);
-
- if ((target >= (guint8*)(aot_module->plt)) && (target < (guint8*)(aot_module->plt_end)))
- return target;
+#ifdef TARGET_ARM
+ if (amodule->thumb_end && code < amodule->thumb_end) {
+ return mono_arm_get_thumb_plt_entry (code);
}
+#endif
+
+#ifdef MONO_ARCH_AOT_SUPPORTED
+ target = mono_arch_get_call_target (code);
#else
g_assert_not_reached ();
#endif
- return NULL;
+ if ((target >= (guint8*)(amodule->plt)) && (target < (guint8*)(amodule->plt_end)))
+ return target;
+ else
+ return NULL;
}
/*
projects / mono.git / blobdiff