#include "config.h"
#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <fcntl.h>
#include <string.h>
#ifndef PLATFORM_WIN32
#include <windows.h>
#endif
+#ifdef HAVE_EXECINFO_H
+#include <execinfo.h>
+#endif
+
#include <errno.h>
#include <sys/stat.h>
#include <limits.h> /* for PAGESIZE */
#define PAGESIZE 4096
#endif
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h> /* for WIFEXITED, WEXITSTATUS */
+#endif
+
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/class.h>
#include <mono/metadata/object.h>
#include <mono/metadata/assembly.h>
#include <mono/metadata/metadata-internals.h>
#include <mono/metadata/marshal.h>
+#include <mono/metadata/gc-internal.h>
#include <mono/utils/mono-logger.h>
#include "mono/utils/mono-compiler.h"
#include "mini.h"
+#include "version.h"
#ifndef DISABLE_AOT
/* Pointer to the Global Offset Table */
gpointer *got;
guint32 got_size;
+ GHashTable *name_cache;
MonoAssemblyName *image_names;
char **image_guids;
MonoImage **image_table;
+ guint32 image_table_len;
gboolean out_of_date;
gboolean plt_inited;
guint8 *mem_begin;
guint8 *plt_jump_table;
guint32 plt_jump_table_size;
guint32 *code_offsets;
- guint8 *method_infos;
+ guint8 *method_info;
guint32 *method_info_offsets;
- guint8 *ex_infos;
+ guint8 *got_info;
+ guint32 *got_info_offsets;
+ guint8 *ex_info;
guint32 *ex_info_offsets;
guint32 *method_order;
guint32 *method_order_end;
- guint8 *class_infos;
+ guint8 *class_info;
guint32 *class_info_offsets;
guint32 *methods_loaded;
+ guint16 *class_name_table;
} MonoAotModule;
static GHashTable *aot_modules;
* code is in copy-on-write memory, this will not increase the memory usage
* of the runtime.
*/
-#ifdef MONO_ARCH_HAVE_PIC_AOT
static gboolean use_loaded_code = TRUE;
-#else
-static gboolean use_loaded_code = FALSE;
-#endif
/*
* Whenever to AOT compile loaded assemblies on demand and store them in
*/
static gboolean use_aot_cache = FALSE;
+/*
+ * Whenever to spawn a new process to AOT a file or do it in-process. Only relevant if
+ * use_aot_cache is TRUE.
+ */
+static gboolean spawn_compiler = TRUE;
+
/* For debugging */
static gint32 mono_last_aot_method = -1;
static gboolean make_unreadable = FALSE;
static guint32 n_pagefaults = 0;
+static guint32 name_table_accesses = 0;
/* Used to speed-up find_aot_module () */
static gsize aot_code_low_addr = (gssize)-1;
static gsize aot_code_high_addr = 0;
-static MonoJitInfo*
-mono_aot_load_method (MonoDomain *domain, MonoAotModule *aot_module, MonoMethod *method, guint8 *code, guint8 *info, guint8 *ex_info);
+static gpointer
+mono_aot_load_method (MonoDomain *domain, MonoAotModule *aot_module, MonoMethod *method, guint8 *code, guint8 *info);
static void
init_plt (MonoAotModule *info);
-static gboolean
+static inline gboolean
is_got_patch (MonoJumpInfoType patch_type)
{
-#ifdef __x86_64__
- return TRUE;
-#elif defined(__i386__)
return TRUE;
-#else
- return FALSE;
-#endif
}
/*****************************************************/
MonoAssembly *assembly;
MonoImageOpenStatus status;
+ g_assert (index < module->image_table_len);
+
if (module->image_table [index])
return module->image_table [index];
if (module->out_of_date)
}
static MonoClass*
-decode_klass_info (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
+decode_klass_ref (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
{
MonoImage *image;
- MonoClass *klass;
- guint32 token, rank, image_index;
+ MonoClass *klass, *eklass;
+ guint32 token, rank;
token = decode_value (buf, &buf);
if (token == 0) {
*endbuf = buf;
return NULL;
}
- image_index = decode_value (buf, &buf);
- image = load_image (module, image_index);
- if (!image)
- return NULL;
- if (mono_metadata_token_code (token) == 0) {
+ if (mono_metadata_token_table (token) == 0) {
+ image = load_image (module, decode_value (buf, &buf));
+ if (!image)
+ return NULL;
klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF + token);
- } else {
- token = MONO_TOKEN_TYPE_DEF + decode_value (buf, &buf);
+ } 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);
+ return NULL;
+ }
+ inst.type_argv [i] = &pclass->byval_arg;
+ }
+ klass = mono_class_from_mono_type (mono_class_inflate_generic_type (&gclass->byval_arg, &ctx));
+ } else {
+ image = load_image (module, decode_value (buf, &buf));
+ 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));
+ if (!image)
+ return NULL;
rank = decode_value (buf, &buf);
- klass = mono_class_get (image, token);
- g_assert (klass);
- klass = mono_array_class_get (klass, rank);
+ eklass = decode_klass_ref (module, buf, &buf);
+ klass = mono_array_class_get (eklass, rank);
+ } else {
+ g_assert_not_reached ();
}
g_assert (klass);
mono_class_init (klass);
static MonoClassField*
decode_field_info (MonoAotModule *module, guint8 *buf, guint8 **endbuf)
{
- MonoClass *klass = decode_klass_info (module, buf, &buf);
+ MonoClass *klass = decode_klass_ref (module, buf, &buf);
guint32 token;
if (!klass)
MonoImage *image;
value = decode_value (buf, &buf);
- *endbuf = buf;
image_index = value >> 24;
*token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
+ if (image_index == 255) {
+ /* Methodspec */
+ image_index = decode_value (buf, &buf);
+ *token = decode_value (buf, &buf);
+ }
+
+ *endbuf = buf;
+
image = load_image (module, image_index);
if (!image)
return NULL;
* - Add options for excluding assemblies during development
* - Maybe add a threshold after an assembly is AOT compiled
* - invoking a new mono process is a security risk
+ * - recompile the AOT module if one of its dependencies changes
*/
-static GModule*
+static MonoDl*
load_aot_module_from_cache (MonoAssembly *assembly, char **aot_name)
{
- char *fname, *cmd, *tmp2;
+ char *fname, *cmd, *tmp2, *aot_options;
const char *home;
- GModule *module;
+ MonoDl *module;
gboolean res;
gchar *out, *err;
+ gint exit_status;
*aot_name = NULL;
g_free (tmp2);
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT trying to load from cache: '%s'.", fname);
- module = g_module_open (fname, G_MODULE_BIND_LAZY);
+ module = mono_dl_open (fname, MONO_DL_LAZY, NULL);
if (!module) {
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT not found.");
mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT precompiling assembly '%s'... ", assembly->image->name);
- /* FIXME: security */
- cmd = g_strdup_printf ("mono -O=all --aot=outfile=%s %s", fname, assembly->image->name);
+ aot_options = g_strdup_printf ("outfile=%s", fname);
- res = g_spawn_command_line_sync (cmd, &out, &err, NULL, NULL);
- g_free (cmd);
- if (!res) {
- mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT failed.");
- return NULL;
+ if (spawn_compiler) {
+ /* FIXME: security */
+ /* FIXME: Has to pass the assembly loading path to the child process */
+ cmd = g_strdup_printf ("mono -O=all --aot=%s %s", aot_options, assembly->image->name);
+
+ res = g_spawn_command_line_sync (cmd, &out, &err, &exit_status, NULL);
+
+#if !defined(PLATFORM_WIN32) && !defined(__ppc__) && !defined(__powerpc__)
+ if (res) {
+ if (!WIFEXITED (exit_status) && (WEXITSTATUS (exit_status) == 0))
+ mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT failed: %s.", err);
+ else
+ mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT succeeded.");
+ g_free (out);
+ g_free (err);
+ }
+#endif
+ g_free (cmd);
+ } else {
+ res = mono_compile_assembly (assembly, mono_parse_default_optimizations (NULL), aot_options);
+ if (!res) {
+ mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT failed.");
+ } else {
+ mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT succeeded.");
+ }
}
- mono_trace (G_LOG_LEVEL_MESSAGE, MONO_TRACE_AOT, "AOT succeeded.");
+ module = mono_dl_open (fname, MONO_DL_LAZY, NULL);
- module = g_module_open (fname, G_MODULE_BIND_LAZY);
+ g_free (aot_options);
}
return module;
gboolean usable = TRUE;
char *saved_guid = NULL;
char *aot_version = NULL;
+ char *runtime_version;
char *opt_flags = NULL;
gpointer *plt_jump_table_addr = NULL;
guint32 *plt_jump_table_size = NULL;
-
-#ifdef MONO_ARCH_HAVE_PIC_AOT
gpointer *got_addr = NULL;
gpointer *got = NULL;
guint32 *got_size_ptr = NULL;
-#endif
+ int i;
if (mono_compile_aot)
return;
-
+
+ if (assembly->aot_module)
+ /*
+ * Already loaded. This can happen because the assembly loading code might invoke
+ * the assembly load hooks multiple times for the same assembly.
+ */
+ 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);
- assembly->aot_module = g_module_open (aot_name, G_MODULE_BIND_LAZY);
+ assembly->aot_module = 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, g_module_error ());
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT failed to load AOT module %s: %s\n", aot_name, err);
+ g_free (err);
}
}
return;
}
- g_module_symbol (assembly->aot_module, "mono_assembly_guid", (gpointer *) &saved_guid);
- g_module_symbol (assembly->aot_module, "mono_aot_version", (gpointer *) &aot_version);
- g_module_symbol (assembly->aot_module, "mono_aot_opt_flags", (gpointer *)&opt_flags);
+ 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);
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);
}
}
+ if (!runtime_version || ((strlen (runtime_version) > 0 && strcmp (runtime_version, FULL_VERSION)))) {
+ 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, FULL_VERSION);
+ usable = FALSE;
+ }
+
if (!usable) {
g_free (aot_name);
- g_module_close (assembly->aot_module);
+ mono_dl_close (assembly->aot_module);
assembly->aot_module = NULL;
return;
}
-#ifdef MONO_ARCH_HAVE_PIC_AOT
- g_module_symbol (assembly->aot_module, "got_addr", (gpointer *)&got_addr);
+ mono_dl_symbol (assembly->aot_module, "got_addr", (gpointer *)&got_addr);
g_assert (got_addr);
got = (gpointer*)*got_addr;
g_assert (got);
- g_module_symbol (assembly->aot_module, "got_size", (gpointer *)&got_size_ptr);
+ mono_dl_symbol (assembly->aot_module, "got_size", (gpointer *)&got_size_ptr);
g_assert (got_size_ptr);
-#endif
info = g_new0 (MonoAotModule, 1);
info->aot_name = aot_name;
-#ifdef MONO_ARCH_HAVE_PIC_AOT
info->got = got;
info->got_size = *got_size_ptr;
info->got [0] = assembly->image;
-#endif
+
sscanf (opt_flags, "%d", &info->opts);
/* Read image table */
guint32 table_len, i;
char *table = NULL;
- g_module_symbol (assembly->aot_module, "mono_image_table", (gpointer *)&table);
+ mono_dl_symbol (assembly->aot_module, "mono_image_table", (gpointer *)&table);
g_assert (table);
table_len = *(guint32*)table;
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;
for (i = 0; i < table_len; ++i) {
MonoAssemblyName *aname = &(info->image_names [i]);
}
/* Read method and method_info tables */
- g_module_symbol (assembly->aot_module, "method_offsets", (gpointer*)&info->code_offsets);
- g_module_symbol (assembly->aot_module, "methods", (gpointer*)&info->code);
- g_module_symbol (assembly->aot_module, "methods_end", (gpointer*)&info->code_end);
- g_module_symbol (assembly->aot_module, "method_info_offsets", (gpointer*)&info->method_info_offsets);
- g_module_symbol (assembly->aot_module, "method_infos", (gpointer*)&info->method_infos);
- g_module_symbol (assembly->aot_module, "ex_info_offsets", (gpointer*)&info->ex_info_offsets);
- g_module_symbol (assembly->aot_module, "ex_infos", (gpointer*)&info->ex_infos);
- g_module_symbol (assembly->aot_module, "method_order", (gpointer*)&info->method_order);
- g_module_symbol (assembly->aot_module, "method_order_end", (gpointer*)&info->method_order_end);
- g_module_symbol (assembly->aot_module, "class_infos", (gpointer*)&info->class_infos);
- g_module_symbol (assembly->aot_module, "class_info_offsets", (gpointer*)&info->class_info_offsets);
- g_module_symbol (assembly->aot_module, "mem_end", (gpointer*)&info->mem_end);
+ 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, "mem_end", (gpointer*)&info->mem_end);
info->mem_begin = info->code;
- g_module_symbol (assembly->aot_module, "plt", (gpointer*)&info->plt);
- g_module_symbol (assembly->aot_module, "plt_end", (gpointer*)&info->plt_end);
- g_module_symbol (assembly->aot_module, "plt_info", (gpointer*)&info->plt_info);
+ 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);
- g_module_symbol (assembly->aot_module, "plt_jump_table_addr", (gpointer *)&plt_jump_table_addr);
+ mono_dl_symbol (assembly->aot_module, "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);
- g_module_symbol (assembly->aot_module, "plt_jump_table_size", (gpointer *)&plt_jump_table_size);
+ mono_dl_symbol (assembly->aot_module, "plt_jump_table_size", (gpointer *)&plt_jump_table_size);
g_assert (plt_jump_table_size);
info->plt_jump_table_size = *plt_jump_table_size;
mono_jit_info_add_aot_module (assembly->image, info->code, info->code_end);
- mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT loaded AOT Module for %s.\n", assembly->image->name);
+ /*
+ * Since we store methoddef and classdef tokens when referring to methods/classes in
+ * referenced assemblies, we depend on the exact versions of the referenced assemblies.
+ * 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);
+
+ if (info->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);
+ else
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_AOT, "AOT loaded AOT Module for %s.\n", assembly->image->name);
}
void
guint32 flags;
info->vtable_size = decode_value (buf, &buf);
+ if (info->vtable_size == -1)
+ /* Generic type */
+ return FALSE;
flags = decode_value (buf, &buf);
info->ghcimpl = (flags >> 0) & 0x1;
info->has_finalize = (flags >> 1) & 0x1;
gboolean
mono_aot_init_vtable (MonoVTable *vtable)
{
+#ifdef MONO_ARCH_COMMON_VTABLE_TRAMPOLINE
int i;
MonoAotModule *aot_module;
MonoClass *klass = vtable->klass;
return FALSE;
}
- info = &aot_module->class_infos [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
+ 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);
return FALSE;
}
+ mono_aot_unlock ();
+
//printf ("VT0: %s.%s %d\n", klass->name_space, klass->name, vtable_size);
for (i = 0; i < class_info.vtable_size; ++i) {
- guint32 image_index, token, value;
- MonoImage *image;
-#ifndef MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
- MonoMethod *m;
+ vtable->vtable [i] = mini_get_vtable_trampoline ();
+ }
+
+ return TRUE;
+#else
+ return FALSE;
#endif
+}
- vtable->vtable [i] = 0;
+gpointer
+mono_aot_get_method_from_vt_slot (MonoDomain *domain, MonoVTable *vtable, int slot)
+{
+ int i;
+ MonoAotModule *aot_module;
+ MonoClass *klass = vtable->klass;
+ guint8 *info, *p;
+ MonoCachedClassInfo class_info;
+ gboolean err;
+ guint32 token;
+ MonoImage *image;
- value = decode_value (p, &p);
- if (!value)
- continue;
+ if (MONO_CLASS_IS_INTERFACE (klass) || klass->rank || !klass->image->assembly->aot_module)
+ return NULL;
- image_index = value >> 24;
- token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
+ mono_aot_lock ();
- image = load_image (aot_module, image_index);
- if (!image) {
- mono_aot_unlock ();
- return FALSE;
- }
+ aot_module = (MonoAotModule*) g_hash_table_lookup (aot_modules, klass->image->assembly);
+ if (!aot_module) {
+ mono_aot_unlock ();
+ return NULL;
+ }
-#ifdef MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
- vtable->vtable [i] = mono_create_jit_trampoline_from_token (image, token);
-#else
- m = mono_get_method (image, token, NULL);
- g_assert (m);
+ info = &aot_module->class_info [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
+ p = info;
- //printf ("M: %d %p %s\n", i, &(vtable->vtable [i]), mono_method_full_name (m, TRUE));
- vtable->vtable [i] = mono_create_jit_trampoline (m);
-#endif
+ err = decode_cached_class_info (aot_module, &class_info, p, &p);
+ if (!err) {
+ mono_aot_unlock ();
+ return NULL;
+ }
+
+ for (i = 0; i < slot; ++i)
+ decode_method_ref (aot_module, &token, p, &p);
+
+ image = decode_method_ref (aot_module, &token, p, &p);
+ if (!image) {
+ mono_aot_unlock ();
+ return NULL;
}
mono_aot_unlock ();
- return TRUE;
+ return mono_aot_get_method_from_token (domain, image, token);
}
gboolean
return FALSE;
}
- p = (guint8*)&aot_module->class_infos [aot_module->class_info_offsets [mono_metadata_token_index (klass->type_token) - 1]];
+ 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) {
return TRUE;
}
+/**
+ * mono_aot_get_class_from_name:
+ *
+ * Obtains a MonoClass with a given namespace and a given name which is located in IMAGE,
+ * using a cache stored in the AOT file.
+ * Stores the resulting class in *KLASS if found, stores NULL otherwise.
+ *
+ * Returns: TRUE if the klass was found/not found in the cache, FALSE if no aot file was
+ * found.
+ */
+gboolean
+mono_aot_get_class_from_name (MonoImage *image, const char *name_space, const char *name, MonoClass **klass)
+{
+ MonoAotModule *aot_module;
+ guint16 *table, *entry;
+ guint16 table_size;
+ guint32 hash;
+ char full_name_buf [1024];
+ char *full_name;
+ const char *name2, *name_space2;
+ MonoTableInfo *t;
+ guint32 cols [MONO_TYPEDEF_SIZE];
+ GHashTable *nspace_table;
+
+ if (!aot_modules)
+ 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 */
+ if (!aot_module->name_cache)
+ aot_module->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
+ nspace_table = g_hash_table_lookup (aot_module->name_cache, name_space);
+ if (nspace_table) {
+ *klass = g_hash_table_lookup (nspace_table, name);
+ if (*klass) {
+ mono_aot_unlock ();
+ return TRUE;
+ }
+ }
+
+ table_size = aot_module->class_name_table [0];
+ table = aot_module->class_name_table + 1;
+
+ if (name_space [0] == '\0')
+ full_name = g_strdup_printf ("%s", name);
+ else {
+ if (strlen (name_space) + strlen (name) < 1000) {
+ sprintf (full_name_buf, "%s.%s", name_space, name);
+ full_name = full_name_buf;
+ } else {
+ full_name = g_strdup_printf ("%s.%s", name_space, name);
+ }
+ }
+ hash = g_str_hash (full_name) % table_size;
+ if (full_name != full_name_buf)
+ g_free (full_name);
+
+ entry = &table [hash * 2];
+
+ if (entry [0] != 0) {
+ t = &image->tables [MONO_TABLE_TYPEDEF];
+
+ while (TRUE) {
+ guint32 index = entry [0];
+ guint32 next = entry [1];
+ guint32 token = mono_metadata_make_token (MONO_TABLE_TYPEDEF, index);
+
+ name_table_accesses ++;
+
+ mono_metadata_decode_row (t, index - 1, cols, MONO_TYPEDEF_SIZE);
+
+ name2 = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
+ name_space2 = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
+
+ if (!strcmp (name, name2) && !strcmp (name_space, name_space2)) {
+ mono_aot_unlock ();
+ *klass = mono_class_get (image, token);
+
+ /* Add to cache */
+ if (*klass) {
+ mono_aot_lock ();
+ nspace_table = g_hash_table_lookup (aot_module->name_cache, name_space);
+ if (!nspace_table) {
+ nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
+ g_hash_table_insert (aot_module->name_cache, (char*)name_space2, nspace_table);
+ }
+ g_hash_table_insert (nspace_table, (char*)name2, *klass);
+ mono_aot_unlock ();
+ }
+ return TRUE;
+ }
+
+ if (next != 0) {
+ entry = &table [next * 2];
+ } else {
+ break;
+ }
+ }
+ }
+
+ mono_aot_unlock ();
+
+ return TRUE;
+}
+
static MonoJitInfo*
decode_exception_debug_info (MonoAotModule *aot_module, MonoDomain *domain,
MonoMethod *method, guint8* ex_info, guint8 *code)
jinfo->used_regs = used_int_regs;
jinfo->method = method;
jinfo->code_start = code;
-#ifdef MONO_ARCH_HAVE_PIC_AOT
jinfo->domain_neutral = 0;
-#else
- jinfo->domain_neutral = (aot_module->opts & MONO_OPT_SHARED) != 0;
-#endif
/* Load debug info */
buf_len = decode_value (p, &p);
mono_aot_find_jit_info (MonoDomain *domain, MonoImage *image, gpointer addr)
{
MonoAssembly *ass = image->assembly;
- GModule *module = ass->aot_module;
+ 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;
//printf ("F: %s\n", mono_method_full_name (method, TRUE));
code = &aot_module->code [aot_module->code_offsets [method_index]];
- ex_info = &aot_module->ex_infos [aot_module->ex_info_offsets [method_index]];
+ ex_info = &aot_module->ex_info [aot_module->ex_info_offsets [method_index]];
jinfo = decode_exception_debug_info (aot_module, domain, method, ex_info, code);
}
static gboolean
-decode_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, MonoJumpInfo *ji, guint8 *buf, guint8 **endbuf)
+decode_patch_info (MonoAotModule *aot_module, MonoMemPool *mp, MonoJumpInfo *ji, guint8 *buf, guint8 **endbuf, guint32 *got_offset)
{
guint8 *p = buf;
gpointer *table;
switch (ji->type) {
case MONO_PATCH_INFO_METHOD:
case MONO_PATCH_INFO_METHODCONST:
- case MONO_PATCH_INFO_METHOD_JUMP: {
- guint32 image_index, token, value;
-
- value = decode_value (p, &p);
- image_index = value >> 24;
- token = MONO_TOKEN_METHOD_DEF | (value & 0xffffff);
+ case MONO_PATCH_INFO_METHOD_JUMP:
+ case MONO_PATCH_INFO_ICALL_ADDR: {
+ guint32 token;
- image = load_image (aot_module, image_index);
+ image = decode_method_ref (aot_module, &token, p, &p);
if (!image)
goto cleanup;
#ifdef MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN
- if (ji->type == MONO_PATCH_INFO_METHOD) {
+ if ((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;
}
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;
g_assert (ji->data.method);
mono_class_init (ji->data.method->klass);
- ji->type = MONO_PATCH_INFO_METHOD;
ji->data.method = mono_marshal_get_remoting_invoke_with_check (ji->data.method);
break;
}
case MONO_WRAPPER_PROXY_ISINST: {
- MonoClass *klass = decode_klass_info (aot_module, p, &p);
+ MonoClass *klass = decode_klass_ref (aot_module, p, &p);
if (!klass)
goto cleanup;
- ji->type = MONO_PATCH_INFO_METHOD;
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_LDFLD_REMOTE:
- case MONO_WRAPPER_STFLD_REMOTE:
case MONO_WRAPPER_ISINST: {
- MonoClass *klass = decode_klass_info (aot_module, p, &p);
+ MonoClass *klass = decode_klass_ref (aot_module, p, &p);
if (!klass)
goto cleanup;
- ji->type = MONO_PATCH_INFO_METHOD;
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_LDFLD_REMOTE)
- ji->data.method = mono_marshal_get_ldfld_remote_wrapper (klass);
- else if (wrapper_type == MONO_WRAPPER_STFLD_REMOTE)
- ji->data.method = mono_marshal_get_stfld_remote_wrapper (klass);
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->type = MONO_PATCH_INFO_METHOD;
ji->data.method = mono_marshal_get_stelemref ();
break;
default:
p += len + 1;
break;
}
+ 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_VTABLE:
+ *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;
+ }
+ break;
case MONO_PATCH_INFO_CLASS_INIT:
- ji->data.klass = decode_klass_info (aot_module, p, &p);
+ case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
+ ji->data.klass = decode_klass_ref (aot_module, p, &p);
if (!ji->data.klass)
goto cleanup;
break;
break;
case MONO_PATCH_INFO_FIELD:
case MONO_PATCH_INFO_SFLDA:
- ji->data.field = decode_field_info (aot_module, p, &p);
- if (!ji->data.field)
- goto cleanup;
+ *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;
+ }
break;
case MONO_PATCH_INFO_SWITCH:
ji->data.table = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoBBTable));
goto cleanup;
ji->data.token = mono_jump_info_token_new (mp, image, MONO_TOKEN_STRING + decode_value (p, &p));
break;
+ case MONO_PATCH_INFO_RVA:
case MONO_PATCH_INFO_DECLSEC:
case MONO_PATCH_INFO_LDTOKEN:
case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
- 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));
+ *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));
+ }
break;
case MONO_PATCH_INFO_EXC_NAME:
- ji->data.klass = decode_klass_info (aot_module, p, &p);
+ ji->data.klass = decode_klass_ref (aot_module, p, &p);
if (!ji->data.klass)
goto cleanup;
ji->data.name = ji->data.klass->name;
/* First load the type + offset table */
last_offset = 0;
- patches = mono_mempool_alloc (mp, sizeof (MonoJumpInfo) * n_patches);
+ patches = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfo) * n_patches);
for (pindex = 0; pindex < n_patches; ++pindex) {
MonoJumpInfo *ji = &patches [pindex];
-#if defined(MONO_ARCH_HAVE_PIC_AOT)
ji->type = *p;
p ++;
-#else
- guint8 b1, b2;
-
- b1 = *(guint8*)p;
- b2 = *((guint8*)p + 1);
- p += 2;
- ji->type = b1 >> 2;
-
- if (((b1 & (1 + 2)) == 3) && (b2 == 255))
- ji->ip.i = decode_value (p, &p);
- else
- ji->ip.i = (((guint32)(b1 & (1 + 2))) << 8) + b2;
-
- ji->ip.i += last_offset;
- last_offset = ji->ip.i;
-#endif
//printf ("T: %d O: %d.\n", ji->type, ji->ip.i);
ji->next = patch_info;
patch_info = ji;
for (pindex = 0; pindex < n_patches; ++pindex) {
MonoJumpInfo *ji = &patches [pindex];
- if (!decode_patch_info (aot_module, mp, ji, p, &p))
+ if (!decode_patch_info (aot_module, mp, ji, p, &p, (*got_slots) + pindex))
goto cleanup;
-#if MONO_ARCH_HAVE_PIC_AOT
if ((*got_slots) [pindex] == 0xffffffff)
(*got_slots) [pindex] = got_index ++;
-#endif
}
*endbuf = p;
return NULL;
}
-static MonoJitInfo *
+static gpointer
mono_aot_get_method_inner (MonoDomain *domain, MonoMethod *method)
{
MonoClass *klass = method->klass;
MonoAssembly *ass = klass->image->assembly;
- GModule *module = ass->aot_module;
- guint8 *code, *info, *ex_info;
+ MonoDl *module = ass->aot_module;
+ guint32 method_index = mono_metadata_token_index (method->token) - 1;
+ guint8 *code, *info;
MonoAotModule *aot_module;
if (!module)
if (aot_module->out_of_date)
return NULL;
- if (aot_module->code_offsets [mono_metadata_token_index (method->token) - 1] == 0xffffffff) {
+ if (method->is_inflated) {
+ if (!mono_method_is_generic_sharable_impl (method))
+ return NULL;
+ method = mono_method_get_declaring_generic_method (method);
+ }
+
+ if (aot_module->code_offsets [method_index] == 0xffffffff) {
if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
char *full_name = mono_method_full_name (method, TRUE);
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT NOT FOUND: %s.\n", full_name);
return NULL;
}
- code = &aot_module->code [aot_module->code_offsets [mono_metadata_token_index (method->token) - 1]];
- info = &aot_module->method_infos [aot_module->method_info_offsets [mono_metadata_token_index (method->token) - 1]];
- ex_info = &aot_module->ex_infos [aot_module->ex_info_offsets [mono_metadata_token_index (method->token) - 1]];
+ code = &aot_module->code [aot_module->code_offsets [method_index]];
+ info = &aot_module->method_info [aot_module->method_info_offsets [method_index]];
+
+ if (!aot_module->methods_loaded)
+ aot_module->methods_loaded = g_new0 (guint32, klass->image->tables [MONO_TABLE_METHOD].rows + 1);
+
+ if ((aot_module->methods_loaded [method_index / 32] >> (method_index % 32)) & 0x1)
+ return code;
if (mono_last_aot_method != -1) {
if (mono_jit_stats.methods_aot > mono_last_aot_method)
printf ("LAST AOT METHOD: %s.%s.%s.\n", klass->name_space, klass->name, method->name);
}
- return mono_aot_load_method (domain, aot_module, method, code, info, ex_info);
+ return mono_aot_load_method (domain, aot_module, method, code, info);
}
-static MonoJitInfo*
-mono_aot_load_method (MonoDomain *domain, MonoAotModule *aot_module, MonoMethod *method, guint8 *code, guint8 *info, guint8* ex_info)
+static gpointer
+mono_aot_load_method (MonoDomain *domain, MonoAotModule *aot_module, MonoMethod *method, guint8 *code, guint8 *info)
{
MonoClass *klass = method->klass;
MonoJumpInfo *patch_info = NULL;
- MonoJitInfo *jinfo;
MonoMemPool *mp;
int i, pindex, got_index = 0, n_patches, used_strings;
gboolean non_got_patches, keep_patches = TRUE;
- guint8 *p;
-
- jinfo = decode_exception_debug_info (aot_module, domain, method, ex_info, code);
+ guint32 method_index = mono_metadata_token_index (method->token) - 1;
+ guint8 *p, *ex_info;
+ MonoJitInfo *jinfo = NULL;
p = info;
- decode_klass_info (aot_module, p, &p);
+ decode_klass_ref (aot_module, p, &p);
if (!use_loaded_code) {
guint8 *code2;
+
+ if (!jinfo) {
+ ex_info = &aot_module->ex_info [aot_module->ex_info_offsets [mono_metadata_token_index (method->token) - 1]];
+ jinfo = decode_exception_debug_info (aot_module, domain, method, ex_info, code);
+ }
+
code2 = mono_code_manager_reserve (domain->code_mp, jinfo->code_size);
memcpy (code2, code, jinfo->code_size);
mono_arch_flush_icache (code2, jinfo->code_size);
n_patches = decode_value (p, &p);
-#ifdef MONO_ARCH_HAVE_PIC_AOT
keep_patches = FALSE;
-#endif
if (n_patches) {
MonoJumpInfo *patches;
else
mp = mono_mempool_new ();
-#ifdef MONO_ARCH_HAVE_PIC_AOT
got_index = decode_value (p, &p);
-#endif
patches = load_patch_info (aot_module, mp, n_patches, got_index, &got_slots, p, &p);
if (patches == NULL)
goto cleanup;
-#if MONO_ARCH_HAVE_PIC_AOT
/* Do this outside the lock to avoid deadlocks */
mono_aot_unlock ();
non_got_patches = FALSE;
non_got_patches = TRUE;
}
if (non_got_patches) {
+ if (!jinfo) {
+ ex_info = &aot_module->ex_info [aot_module->ex_info_offsets [mono_metadata_token_index (method->token) - 1]];
+ jinfo = decode_exception_debug_info (aot_module, domain, method, ex_info, code);
+ }
+
mono_arch_flush_icache (code, jinfo->code_size);
make_writable (code, jinfo->code_size);
mono_arch_patch_code (method, domain, code, patch_info, TRUE);
}
mono_aot_lock ();
-#else
- if (use_loaded_code)
- /* disable write protection */
- make_writable (code, jinfo->code_size);
- /* Do this outside the lock to avoid deadlocks */
- mono_aot_unlock ();
- mono_arch_patch_code (method, domain, code, patch_info, TRUE);
- mono_aot_lock ();
-#endif
g_free (got_slots);
if (!keep_patches)
if (mono_trace_is_traced (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT)) {
char *full_name = mono_method_full_name (method, TRUE);
+
+ if (!jinfo) {
+ ex_info = &aot_module->ex_info [aot_module->ex_info_offsets [mono_metadata_token_index (method->token) - 1]];
+ jinfo = decode_exception_debug_info (aot_module, domain, method, ex_info, code);
+ }
+
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_AOT, "AOT FOUND AOT compiled code for %s %p - %p %p\n", full_name, code, code + jinfo->code_size, info);
g_free (full_name);
}
+ aot_module->methods_loaded [method_index / 32] |= 1 << (method_index % 32);
+
init_plt (aot_module);
- return jinfo;
+ return code;
cleanup:
/* FIXME: The space in domain->mp is wasted */
/* No need to cache patches */
mono_mempool_destroy (mp);
+ if (jinfo)
+ g_free (jinfo);
+
return NULL;
}
-MonoJitInfo*
+gpointer
mono_aot_get_method (MonoDomain *domain, MonoMethod *method)
{
- MonoJitInfo *info;
+ gpointer code;
mono_aot_lock ();
- info = mono_aot_get_method_inner (domain, method);
+ code = mono_aot_get_method_inner (domain, method);
mono_aot_unlock ();
- /* Do this outside the lock */
- if (info) {
- mono_jit_info_table_add (domain, info);
- return info;
- }
- else
- return NULL;
+ return code;
}
static gpointer
int i, method_index, pindex, got_index, n_patches, used_strings;
gboolean keep_patches = TRUE;
guint8 *p;
- GModule *module = ass->aot_module;
+ MonoDl *module = ass->aot_module;
guint8 *code = NULL;
guint8 *info;
MonoAotModule *aot_module;
method_index = mono_metadata_token_index (token) - 1;
code = &aot_module->code [aot_module->code_offsets [method_index]];
- info = &aot_module->method_infos [aot_module->method_info_offsets [method_index]];
+ info = &aot_module->method_info [aot_module->method_info_offsets [method_index]];
if (!aot_module->methods_loaded)
aot_module->methods_loaded = g_new0 (guint32, image->tables [MONO_TABLE_METHOD].rows + 1);
}
p = info;
- *klass = decode_klass_info (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);
n_pagefaults ++;
mono_aot_unlock ();
+
+#if 0
+ {
+ void *array [256];
+ char **names;
+ int i, size;
+
+ printf ("\nNative stacktrace:\n\n");
+
+ size = backtrace (array, 256);
+ names = backtrace_symbols (array, size);
+ for (i =0; i < size; ++i) {
+ printf ("\t%s\n", names [i]);
+ }
+ free (names);
+ }
+#endif
+
#endif
}
/*
- * aot_dyn_resolve:
+ * mono_aot_plt_resolve:
*
* This function is called by the entries in the PLT to resolve the actual method that
* needs to be called. It returns a trampoline to the method and patches the PLT entry.
gpointer
mono_aot_plt_resolve (gpointer aot_module, guint32 plt_info_offset, guint8 *code)
{
-#ifdef MONO_ARCH_HAVE_PIC_AOT
+#ifdef MONO_ARCH_AOT_SUPPORTED
guint8 *p, *target, *plt_entry;
MonoJumpInfo ji;
MonoAotModule *module = (MonoAotModule*)aot_module;
+ gboolean res;
//printf ("DYN: %p %d\n", aot_module, plt_info_offset);
ji.type = decode_value (p, &p);
- // FIXME: Error handling
- decode_patch_info (module, NULL, &ji, p, &p);
+ res = decode_patch_info (module, NULL, &ji, p, &p, NULL);
+ // FIXME: Error handling (how ?)
+ g_assert (res);
target = mono_resolve_patch_target (NULL, mono_domain_get (), NULL, &ji, TRUE);
mono_arch_patch_plt_entry (plt_entry, target);
return target;
-
#else
g_assert_not_reached ();
return NULL;
static void
init_plt (MonoAotModule *info)
{
-#ifdef MONO_ARCH_HAVE_PIC_AOT
+#ifdef MONO_ARCH_AOT_SUPPORTED
#ifdef __i386__
guint8 *buf = info->plt;
-#endif
-#if defined(__x86_64__)
+#elif defined(__x86_64__)
+ int i, n_entries;
+#elif defined(__arm__)
int i, n_entries;
#endif
gpointer 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);
#else
g_assert_not_reached ();
#endif
mono_aot_get_plt_entry (guint8 *code)
{
MonoAotModule *aot_module = find_aot_module (code);
+#if defined(__arm__)
+ guint32 ins;
+#endif
if (!aot_module)
return NULL;
if ((target >= (guint8*)(aot_module->plt)) && (target < (guint8*)(aot_module->plt_end)))
return target;
}
+#elif defined(__arm__)
+ ins = ((guint32*)(gpointer)code) [-1];
+
+ /* Should be a 'bl' */
+ if ((((ins >> 25) & 0x7) == 0x5) && (((ins >> 24) & 0x1) == 0x1)) {
+ gint32 disp = ((gint32)ins) & 0xffffff;
+ guint8 *target = code - 4 + 8 + (disp * 4);
+
+ if ((target >= (guint8*)(aot_module->plt)) && (target < (guint8*)(aot_module->plt_end)))
+ return target;
+ }
+#else
+ g_assert_not_reached ();
#endif
return NULL;
{
}
-MonoJitInfo*
+gpointer
mono_aot_get_method (MonoDomain *domain, MonoMethod *method)
{
return NULL;
return FALSE;
}
+gboolean
+mono_aot_get_class_from_name (MonoImage *image, const char *name_space, const char *name, MonoClass **klass)
+{
+ return FALSE;
+}
+
MonoJitInfo *
mono_aot_find_jit_info (MonoDomain *domain, MonoImage *image, gpointer addr)
{
return NULL;
}
+gpointer
+mono_aot_plt_resolve (gpointer aot_module, guint32 plt_info_offset, guint8 *code)
+{
+ return NULL;
+}
+
+gpointer
+mono_aot_get_method_from_vt_slot (MonoDomain *domain, MonoVTable *vtable, int slot)
+{
+ return NULL;
+}
#endif
projects / mono.git / blobdiff