Add beginnings of mixed code execution support (#4613)

[mono-project.git] / mono / mini / mini-runtime.c

/**
 * \file
 * Runtime code for the JIT
 *
 * Authors:
 *   Paolo Molaro (lupus@ximian.com)
 *   Dietmar Maurer (dietmar@ximian.com)
 *
 * Copyright 2002-2003 Ximian, Inc.
 * Copyright 2003-2010 Novell, Inc.
 * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
 */

#include <config.h>
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <math.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif

#include <mono/utils/memcheck.h>

#include <mono/metadata/assembly.h>
#include <mono/metadata/loader.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/class.h>
#include <mono/metadata/object.h>
#include <mono/metadata/tokentype.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/threads.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/debug-helpers.h>
#include "mono/metadata/profiler.h"
#include <mono/metadata/profiler-private.h>
#include <mono/metadata/mono-config.h>
#include <mono/metadata/environment.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/gc-internals.h>
#include <mono/metadata/threads-types.h>
#include <mono/metadata/mempool-internals.h>
#include <mono/metadata/attach.h>
#include <mono/metadata/runtime.h>
#include <mono/metadata/reflection-internals.h>
#include <mono/metadata/monitor.h>
#include <mono/utils/mono-math.h>
#include <mono/utils/mono-compiler.h>
#include <mono/utils/mono-counters.h>
#include <mono/utils/mono-error-internals.h>
#include <mono/utils/mono-logger-internals.h>
#include <mono/utils/mono-mmap.h>
#include <mono/utils/mono-path.h>
#include <mono/utils/mono-tls.h>
#include <mono/utils/mono-hwcap.h>
#include <mono/utils/dtrace.h>
#include <mono/utils/mono-signal-handler.h>
#include <mono/utils/mono-threads.h>
#include <mono/utils/mono-threads-coop.h>
#include <mono/utils/checked-build.h>
#include <mono/metadata/w32handle.h>
#include <mono/metadata/threadpool.h>

#include "mini.h"
#include "seq-points.h"
#include "tasklets.h"
#include <string.h>
#include <ctype.h>
#include "trace.h"
#include "version.h"

#include "jit-icalls.h"

#include "mini-gc.h"
#include "mini-llvm.h"
#include "debugger-agent.h"
#include "lldb.h"

#ifdef MONO_ARCH_LLVM_SUPPORTED
#ifdef ENABLE_LLVM
#include "mini-llvm-cpp.h"
#include "llvm-jit.h"
#endif
#endif

#ifdef ENABLE_INTERPRETER
#include "interp/interp.h"
#endif

static guint32 default_opt = 0;
static gboolean default_opt_set = FALSE;

gboolean mono_compile_aot = FALSE;
/* If this is set, no code is generated dynamically, everything is taken from AOT files */
gboolean mono_aot_only = FALSE;
/* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
gboolean mono_llvm_only = FALSE;
MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;

const char *mono_build_date;
gboolean mono_do_signal_chaining;
gboolean mono_do_crash_chaining;
int mini_verbose = 0;

/*
 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
 * it can load AOT code compiled by LLVM.
 */
gboolean mono_use_llvm = FALSE;

gboolean mono_use_interpreter = FALSE;

#define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
#define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
static mono_mutex_t jit_mutex;

static MonoCodeManager *global_codeman;

MonoDebugOptions debug_options;

#ifdef VALGRIND_JIT_REGISTER_MAP
int valgrind_register;
#endif
GList* mono_aot_paths;

static gboolean mini_enable_profiler = FALSE;
static char* mini_profiler_options = NULL;

static GSList *tramp_infos;

static void register_icalls (void);

static gboolean mini_profiler_enabled (void) { return mini_enable_profiler; }
static const char* mini_profiler_get_options (void) {  return mini_profiler_options;  }

gboolean
mono_running_on_valgrind (void)
{
#ifndef HOST_WIN32
        if (RUNNING_ON_VALGRIND){
#ifdef VALGRIND_JIT_REGISTER_MAP
                valgrind_register = TRUE;
#endif
                return TRUE;
        } else
#endif
                return FALSE;
}

typedef struct {
        void *ip;
        MonoMethod *method;
} FindTrampUserData;

static void
find_tramp (gpointer key, gpointer value, gpointer user_data)
{
        FindTrampUserData *ud = (FindTrampUserData*)user_data;

        if (value == ud->ip)
                ud->method = (MonoMethod*)key;
}

/* debug function */
G_GNUC_UNUSED static char*
get_method_from_ip (void *ip)
{
        MonoJitInfo *ji;
        MonoMethod *method;
        char *method_name;
        char *res;
        MonoDomain *domain = mono_domain_get ();
        MonoDebugSourceLocation *location;
        FindTrampUserData user_data;

        if (!domain)
                domain = mono_get_root_domain ();

        ji = mono_jit_info_table_find_internal (domain, (char *)ip, TRUE, TRUE);
        if (!ji) {
                user_data.ip = ip;
                user_data.method = NULL;
                mono_domain_lock (domain);
                g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
                mono_domain_unlock (domain);
                if (user_data.method) {
                        char *mname = mono_method_full_name (user_data.method, TRUE);
                        res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
                        g_free (mname);
                        return res;
                }
                else
                        return NULL;
        } else if (ji->is_trampoline) {
                res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
                return res;
        }

        method = jinfo_get_method (ji);
        method_name = mono_method_full_name (method, TRUE);
        /* FIXME: unused ? */
        location = mono_debug_lookup_source_location (method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);

        res = g_strdup_printf (" %s {%p} + 0x%x (%p %p) [%p - %s]", method_name, method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);

        mono_debug_free_source_location (location);
        g_free (method_name);

        return res;
}

/**
 * mono_pmip:
 * \param ip an instruction pointer address
 *
 * This method is used from a debugger to get the name of the
 * method at address \p ip.   This routine is typically invoked from
 * a debugger like this:
 *
 * (gdb) print mono_pmip ($pc)
 *
 * \returns the name of the method at address \p ip.
 */
G_GNUC_UNUSED char *
mono_pmip (void *ip)
{
        return get_method_from_ip (ip);
}

/**
 * mono_print_method_from_ip:
 * \param ip an instruction pointer address
 *
 * This method is used from a debugger to get the name of the
 * method at address \p ip.
 *
 * This prints the name of the method at address \p ip in the standard
 * output.  Unlike \c mono_pmip which returns a string, this routine
 * prints the value on the standard output.
 */
MONO_ATTR_USED void
mono_print_method_from_ip (void *ip)
{
        MonoJitInfo *ji;
        char *method;
        MonoDebugSourceLocation *source;
        MonoDomain *domain = mono_domain_get ();
        MonoDomain *target_domain = mono_domain_get ();
        FindTrampUserData user_data;
        MonoGenericSharingContext*gsctx;
        const char *shared_type;

        if (!domain)
                domain = mono_get_root_domain ();
        ji = mini_jit_info_table_find_ext (domain, (char *)ip, TRUE, &target_domain);
        if (ji && ji->is_trampoline) {
                MonoTrampInfo *tinfo = (MonoTrampInfo *)ji->d.tramp_info;

                printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
                return;
        }

        if (!ji) {
                user_data.ip = ip;
                user_data.method = NULL;
                mono_domain_lock (domain);
                g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
                mono_domain_unlock (domain);

                if (user_data.method) {
                        char *mname = mono_method_full_name (user_data.method, TRUE);
                        printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
                        g_free (mname);
                        return;
                }

                g_print ("No method at %p\n", ip);
                fflush (stdout);
                return;
        }
        method = mono_method_full_name (jinfo_get_method (ji), TRUE);
        source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);

        gsctx = mono_jit_info_get_generic_sharing_context (ji);
        shared_type = "";
        if (gsctx) {
                if (gsctx->is_gsharedvt)
                        shared_type = "gsharedvt ";
                else
                        shared_type = "gshared ";
        }

        g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);

        if (source)
                g_print ("%s:%d\n", source->source_file, source->row);
        fflush (stdout);

        mono_debug_free_source_location (source);
        g_free (method);
}

/*
 * mono_method_same_domain:
 *
 * Determine whenever two compiled methods are in the same domain, thus
 * the address of the callee can be embedded in the caller.
 */
gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
{
        MonoMethod *cmethod;

        if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
                return FALSE;

        /*
         * If the call was made from domain-neutral to domain-specific
         * code, we can't patch the call site.
         */
        if (caller->domain_neutral && !callee->domain_neutral)
                return FALSE;

        cmethod = jinfo_get_method (caller);
        if ((cmethod->klass == mono_defaults.appdomain_class) &&
                (strstr (cmethod->name, "InvokeInDomain"))) {
                 /* The InvokeInDomain methods change the current appdomain */
                return FALSE;
        }

        return TRUE;
}

/*
 * mono_global_codeman_reserve:
 *
 *  Allocate code memory from the global code manager.
 */
void *mono_global_codeman_reserve (int size)
{
        void *ptr;

        if (mono_aot_only)
                g_error ("Attempting to allocate from the global code manager while running in aot-only mode.\n");

        if (!global_codeman) {
                /* This can happen during startup */
                global_codeman = mono_code_manager_new ();
                return mono_code_manager_reserve (global_codeman, size);
        }
        else {
                mono_jit_lock ();
                ptr = mono_code_manager_reserve (global_codeman, size);
                mono_jit_unlock ();
                return ptr;
        }
}

/* The callback shouldn't take any locks */
void
mono_global_codeman_foreach (MonoCodeManagerFunc func, void *user_data)
{
        mono_jit_lock ();
        mono_code_manager_foreach (global_codeman, func, user_data);
        mono_jit_unlock ();
}

#if defined(__native_client_codegen__) && defined(__native_client__)
void
mono_nacl_gc()
{
#ifdef __native_client_gc__
        __nacl_suspend_thread_if_needed();
#endif
}
#endif /* __native_client__ */

/**
 * mono_create_unwind_op:
 *
 *   Create an unwind op with the given parameters.
 */
MonoUnwindOp*
mono_create_unwind_op (int when, int tag, int reg, int val)
{
        MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);

        op->op = tag;
        op->reg = reg;
        op->val = val;
        op->when = when;

        return op;
}

MonoJumpInfoToken *
mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
{
        MonoJumpInfoToken *res = (MonoJumpInfoToken *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
        res->image = image;
        res->token = token;
        res->has_context = context != NULL;
        if (context)
                memcpy (&res->context, context, sizeof (MonoGenericContext));

        return res;
}

MonoJumpInfoToken *
mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
{
        return mono_jump_info_token_new2 (mp, image, token, NULL);
}

/*
 * mono_tramp_info_create:
 *
 *   Create a MonoTrampInfo structure from the arguments. This function assumes ownership
 * of JI, and UNWIND_OPS.
 */
MonoTrampInfo*
mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
{
        MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);

        info->name = g_strdup ((char*)name);
        info->code = code;
        info->code_size = code_size;
        info->ji = ji;
        info->unwind_ops = unwind_ops;

        return info;
}

void
mono_tramp_info_free (MonoTrampInfo *info)
{
        g_free (info->name);

        // FIXME: ji
        mono_free_unwind_info (info->unwind_ops);
        g_free (info);
}

static void
register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
{
        MonoJitInfo *ji;

        ji = (MonoJitInfo *)mono_domain_alloc0 (domain, mono_jit_info_size ((MonoJitInfoFlags)0, 0, 0));
        mono_jit_info_init (ji, NULL, info->code, info->code_size, (MonoJitInfoFlags)0, 0, 0);
        ji->d.tramp_info = info;
        ji->is_trampoline = TRUE;

        ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);

        mono_jit_info_table_add (domain, ji);
}

/*
 * mono_tramp_info_register:
 *
 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
 * INFO can be NULL.
 * Frees INFO.
 */
static void
mono_tramp_info_register_internal (MonoTrampInfo *info, MonoDomain *domain, gboolean aot)
{
        MonoTrampInfo *copy;

        if (!info)
                return;

        if (!domain)
                domain = mono_get_root_domain ();

        copy = g_new0 (MonoTrampInfo, 1);
        copy->code = info->code;
        copy->code_size = info->code_size;
        copy->name = g_strdup (info->name);

        if (info->unwind_ops) {
                copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, &copy->uw_info_len);
        } else {
                /* Trampolines from aot have the unwind ops already encoded */
                copy->uw_info = info->uw_info;
                copy->uw_info_len = info->uw_info_len;
        }

        mono_jit_lock ();
        tramp_infos = g_slist_prepend (tramp_infos, copy);
        mono_jit_unlock ();

        mono_save_trampoline_xdebug_info (info);
        mono_lldb_save_trampoline_info (info);

#ifdef MONO_ARCH_HAVE_UNWIND_TABLE
        if (!aot)
                mono_arch_unwindinfo_install_tramp_unwind_info (info->unwind_ops, info->code, info->code_size);
#endif

        /* Only register trampolines that have unwind infos */
        if (mono_get_root_domain () && copy->uw_info)
                register_trampoline_jit_info (domain, copy);

        if (mono_jit_map_is_enabled ())
                mono_emit_jit_tramp (info->code, info->code_size, info->name);

        mono_tramp_info_free (info);
}

void
mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
{
        mono_tramp_info_register_internal (info, domain, FALSE);
}

void
mono_aot_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
{
        mono_tramp_info_register_internal (info, domain, TRUE);
}

static void
mono_tramp_info_cleanup (void)
{
        GSList *l;

        for (l = tramp_infos; l; l = l->next) {
                MonoTrampInfo *info = (MonoTrampInfo *)l->data;

                mono_tramp_info_free (info);
        }
        g_slist_free (tramp_infos);
}

/* Register trampolines created before the root domain was created in the jit info tables */
static void
register_trampolines (MonoDomain *domain)
{
        GSList *l;

        for (l = tramp_infos; l; l = l->next) {
                MonoTrampInfo *info = (MonoTrampInfo *)l->data;

                register_trampoline_jit_info (domain, info);
        }
}

G_GNUC_UNUSED static void
break_count (void)
{
}

/*
 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
 * Set a breakpoint in break_count () to break the last time <x> is done.
 */
G_GNUC_UNUSED gboolean
mono_debug_count (void)
{
        static int count = 0;
        static gboolean inited;
        static const char *value;

        count ++;

        if (!inited) {
                value = g_getenv ("COUNT");
                inited = TRUE;
        }

        if (!value)
                return TRUE;

        if (count == atoi (value))
                break_count ();

        if (count > atoi (value))
                return FALSE;

        return TRUE;
}

gconstpointer
mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
{
        MonoError error;
        char *name;
        MonoMethod *wrapper;
        gconstpointer trampoline;
        MonoDomain *domain = mono_get_root_domain ();
        gboolean check_exc = TRUE;

        if (callinfo->wrapper)
                return callinfo->wrapper;

        if (callinfo->trampoline)
                return callinfo->trampoline;

        if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
                /* This icall is used to check for exceptions, so don't check in the wrapper */
                check_exc = FALSE;

        name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
        wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
        g_free (name);

        if (do_compile) {
                trampoline = mono_compile_method_checked (wrapper, &error);
                mono_error_assert_ok (&error);
        } else {

                trampoline = mono_create_jit_trampoline (domain, wrapper, &error);
                mono_error_assert_ok (&error);
                trampoline = mono_create_ftnptr (domain, (gpointer)trampoline);
        }

        mono_loader_lock ();
        if (!callinfo->trampoline) {
                mono_register_jit_icall_wrapper (callinfo, trampoline);
                callinfo->trampoline = trampoline;
        }
        mono_loader_unlock ();

        return callinfo->trampoline;
}

gconstpointer
mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
{
        return mono_icall_get_wrapper_full (callinfo, FALSE);
}

static MonoJitDynamicMethodInfo*
mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
{
        MonoJitDynamicMethodInfo *res;

        if (domain_jit_info (domain)->dynamic_code_hash)
                res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
        else
                res = NULL;
        return res;
}

static void
register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
{
#ifndef DISABLE_JIT
        mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
#else
        MonoMethodSignature *sig = mono_create_icall_signature (sigstr);

        g_assert (!sig->hasthis);
        g_assert (sig->param_count < 3);

        /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
        mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
#endif
}

/*
 * For JIT icalls implemented in C.
 * NAME should be the same as the name of the C function whose address is FUNC.
 * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
 * can't throw exceptions.
 */
static void
register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
{
        MonoMethodSignature *sig;

        if (sigstr)
                sig = mono_create_icall_signature (sigstr);
        else
                sig = NULL;

        mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
}

static void
register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
{
        MonoMethodSignature *sig;

        if (sigstr)
                sig = mono_create_icall_signature (sigstr);
        else
                sig = NULL;

        mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
}

static void
register_icall_with_wrapper (gpointer func, const char *name, const char *sigstr)
{
        MonoMethodSignature *sig;

        if (sigstr)
                sig = mono_create_icall_signature (sigstr);
        else
                sig = NULL;

        mono_register_jit_icall_full (func, name, sig, FALSE, FALSE, NULL);
}

static void
register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
{
        MonoMethodSignature *sig;

        if (sigstr)
                sig = mono_create_icall_signature (sigstr);
        else
                sig = NULL;

        mono_register_jit_icall (func, name, sig, save);
}

MonoLMF *
mono_get_lmf (void)
{
        MonoJitTlsData *jit_tls;

        if ((jit_tls = mono_tls_get_jit_tls ()))
                return jit_tls->lmf;
        /*
         * We do not assert here because this function can be called from
         * mini-gc.c on a thread that has not executed any managed code, yet
         * (the thread object allocation can trigger a collection).
         */
        return NULL;
}

MonoLMF **
mono_get_lmf_addr (void)
{
        return (MonoLMF **)mono_tls_get_lmf_addr ();
}

void
mono_set_lmf (MonoLMF *lmf)
{
        (*mono_get_lmf_addr ()) = lmf;
}

MonoJitTlsData*
mono_get_jit_tls (void)
{
        return (MonoJitTlsData *)mono_tls_get_jit_tls ();
}

static void
mono_set_jit_tls (MonoJitTlsData *jit_tls)
{
        MonoThreadInfo *info;

        mono_tls_set_jit_tls (jit_tls);

        /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
        info = mono_thread_info_current ();
        if (info)
                mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
}

static void
mono_set_lmf_addr (gpointer lmf_addr)
{
        MonoThreadInfo *info;

        mono_tls_set_lmf_addr (lmf_addr);

        /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
        info = mono_thread_info_current ();
        if (info)
                mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
}

/*
 * mono_jit_thread_attach:
 *
 * Called by Xamarin.Mac and other products. Attach thread to runtime if
 * needed and switch to @domain.
 *
 * @return the original domain which needs to be restored, or NULL.
 */
MonoDomain*
mono_jit_thread_attach (MonoDomain *domain)
{
        MonoDomain *orig;
        gboolean attached;

        g_assert (!mono_threads_is_coop_enabled ());

        if (!domain) {
                /* Happens when called from AOTed code which is only used in the root domain. */
                domain = mono_get_root_domain ();
        }

        g_assert (domain);

        attached = mono_tls_get_jit_tls () != NULL;

        if (!attached) {
                mono_thread_attach (domain);

                // #678164
                mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
        }

        orig = mono_domain_get ();
        if (orig != domain)
                mono_domain_set (domain, TRUE);

        return orig != domain ? orig : NULL;
}

/*
 * mono_jit_set_domain:
 *
 * Set domain to @domain if @domain is not null
 */
void
mono_jit_set_domain (MonoDomain *domain)
{
        g_assert (!mono_threads_is_coop_enabled ());

        if (domain)
                mono_domain_set (domain, TRUE);
}

/**
 * mono_thread_abort:
 * \param obj exception object
 * Abort the thread, print exception information and stack trace
 */
static void
mono_thread_abort (MonoObject *obj)
{
        /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */

        /* handle_remove should be eventually called for this thread, too
        g_free (jit_tls);*/

        if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
                        (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
                mono_thread_exit ();
        } else {
                mono_invoke_unhandled_exception_hook (obj);
        }
}

static void*
setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
{
        MonoJitTlsData *jit_tls;
        MonoLMF *lmf;

        jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
        if (jit_tls)
                return jit_tls;

        jit_tls = g_new0 (MonoJitTlsData, 1);

        jit_tls->abort_func = (void (*)(MonoObject *))abort_func;
        jit_tls->end_of_stack = stack_start;

        mono_set_jit_tls (jit_tls);

        lmf = g_new0 (MonoLMF, 1);
        MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);

        jit_tls->first_lmf = lmf;

        mono_set_lmf_addr (&jit_tls->lmf);

        jit_tls->lmf = lmf;

#ifdef MONO_ARCH_HAVE_TLS_INIT
        mono_arch_tls_init ();
#endif

        mono_setup_altstack (jit_tls);

        return jit_tls;
}

static void
free_jit_tls_data (MonoJitTlsData *jit_tls)
{
        mono_arch_free_jit_tls_data (jit_tls);
        mono_free_altstack (jit_tls);

        g_free (jit_tls->first_lmf);
        g_free (jit_tls);
}

static void
mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
{
        MonoThreadInfo *thread;
        void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
        thread = mono_thread_info_current_unchecked ();
        if (thread)
                thread->jit_data = jit_tls;

        mono_arch_cpu_init ();
}

void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;

static void
mono_thread_abort_dummy (MonoObject *obj)
{
  if (mono_thread_attach_aborted_cb)
    mono_thread_attach_aborted_cb (obj);
  else
    mono_thread_abort (obj);
}

static void
mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
{
        MonoThreadInfo *thread;
        void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
        thread = mono_thread_info_current_unchecked ();
        if (thread)
                thread->jit_data = jit_tls;

        mono_arch_cpu_init ();
}

static void
mini_thread_cleanup (MonoNativeThreadId tid)
{
        MonoJitTlsData *jit_tls = NULL;
        MonoThreadInfo *info;

        info = mono_thread_info_current_unchecked ();

        /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
         * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
         * not a trivial thing.
         *
         * The current offender is mono_thread_manage which cleanup threads from the outside.
         */
        if (info && mono_thread_info_get_tid (info) == tid) {
                jit_tls = (MonoJitTlsData *)info->jit_data;
                info->jit_data = NULL;

                mono_set_jit_tls (NULL);

                /* If we attach a thread but never call into managed land, we might never get an lmf.*/
                if (mono_get_lmf ()) {
                        mono_set_lmf (NULL);
                        mono_set_lmf_addr (NULL);
                }
        } else {
                info = mono_thread_info_lookup (tid);
                if (info) {
                        jit_tls = (MonoJitTlsData *)info->jit_data;
                        info->jit_data = NULL;
                }
                mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
        }

        if (jit_tls)
                free_jit_tls_data (jit_tls);
}

MonoJumpInfo *
mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
{
        MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);

        ji->ip.i = ip;
        ji->type = type;
        ji->data.target = target;
        ji->next = list;

        return ji;
}

#if !defined(DISABLE_LOGGING) && !defined(DISABLE_JIT)

static const char* const patch_info_str[] = {
#define PATCH_INFO(a,b) "" #a,
#include "patch-info.h"
#undef PATCH_INFO
};

const char*
mono_ji_type_to_string (MonoJumpInfoType type)
{
        return patch_info_str [type];
}

void
mono_print_ji (const MonoJumpInfo *ji)
{
        switch (ji->type) {
        case MONO_PATCH_INFO_RGCTX_FETCH: {
                MonoJumpInfoRgctxEntry *entry = ji->data.rgctx_entry;

                printf ("[RGCTX_FETCH ");
                mono_print_ji (entry->data);
                printf (" - %s]", mono_rgctx_info_type_to_str (entry->info_type));
                break;
        }
        case MONO_PATCH_INFO_METHODCONST: {
                char *s = mono_method_full_name (ji->data.method, TRUE);
                printf ("[METHODCONST - %s]", s);
                g_free (s);
                break;
        }
        case MONO_PATCH_INFO_INTERNAL_METHOD: {
                printf ("[INTERNAL_METHOD - %s]", ji->data.name);
                break;
        }
        default:
                printf ("[%s]", patch_info_str [ji->type]);
                break;
        }
}

#else

const char*
mono_ji_type_to_string (MonoJumpInfoType type)
{
        return "";
}

void
mono_print_ji (const MonoJumpInfo *ji)
{
}

#endif

/**
 * mono_patch_info_dup_mp:
 *
 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
 */
MonoJumpInfo*
mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
{
        MonoJumpInfo *res = (MonoJumpInfo *)mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
        memcpy (res, patch_info, sizeof (MonoJumpInfo));

        switch (patch_info->type) {
        case MONO_PATCH_INFO_RVA:
        case MONO_PATCH_INFO_LDSTR:
        case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
        case MONO_PATCH_INFO_LDTOKEN:
        case MONO_PATCH_INFO_DECLSEC:
                res->data.token = (MonoJumpInfoToken *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
                memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
                break;
        case MONO_PATCH_INFO_SWITCH:
                res->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
                memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
                res->data.table->table = (MonoBasicBlock **)mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
                memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
                break;
        case MONO_PATCH_INFO_RGCTX_FETCH:
        case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
                res->data.rgctx_entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
                memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
                res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
                break;
        case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
                res->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
                memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
                break;
        case MONO_PATCH_INFO_GSHAREDVT_CALL:
                res->data.gsharedvt = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
                memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
                break;
        case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
                MonoGSharedVtMethodInfo *info;
                MonoGSharedVtMethodInfo *oinfo;
                int i;

                oinfo = patch_info->data.gsharedvt_method;
                info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
                res->data.gsharedvt_method = info;
                memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
                info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
                for (i = 0; i < oinfo->num_entries; ++i) {
                        MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
                        MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];

                        memcpy (template_, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
                }
                //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
                //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
                break;
        }
        case MONO_PATCH_INFO_VIRT_METHOD: {
                MonoJumpInfoVirtMethod *info;
                MonoJumpInfoVirtMethod *oinfo;

                oinfo = patch_info->data.virt_method;
                info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
                res->data.virt_method = info;
                memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
                break;
        }
        default:
                break;
        }

        return res;
}

guint
mono_patch_info_hash (gconstpointer data)
{
        const MonoJumpInfo *ji = (MonoJumpInfo*)data;

        switch (ji->type) {
        case MONO_PATCH_INFO_RVA:
        case MONO_PATCH_INFO_LDSTR:
        case MONO_PATCH_INFO_LDTOKEN:
        case MONO_PATCH_INFO_DECLSEC:
                return (ji->type << 8) | ji->data.token->token;
        case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
                return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
        case MONO_PATCH_INFO_INTERNAL_METHOD:
                return (ji->type << 8) | g_str_hash (ji->data.name);
        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_METHODCONST:
        case MONO_PATCH_INFO_METHOD:
        case MONO_PATCH_INFO_METHOD_JUMP:
        case MONO_PATCH_INFO_IMAGE:
        case MONO_PATCH_INFO_ICALL_ADDR:
        case MONO_PATCH_INFO_ICALL_ADDR_CALL:
        case MONO_PATCH_INFO_FIELD:
        case MONO_PATCH_INFO_SFLDA:
        case MONO_PATCH_INFO_SEQ_POINT_INFO:
        case MONO_PATCH_INFO_METHOD_RGCTX:
        case MONO_PATCH_INFO_SIGNATURE:
        case MONO_PATCH_INFO_METHOD_CODE_SLOT:
        case MONO_PATCH_INFO_AOT_JIT_INFO:
        case MONO_PATCH_INFO_GET_TLS_TRAMP:
        case MONO_PATCH_INFO_SET_TLS_TRAMP:
                return (ji->type << 8) | (gssize)ji->data.target;
        case MONO_PATCH_INFO_GSHAREDVT_CALL:
                return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
        case MONO_PATCH_INFO_RGCTX_FETCH:
        case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
                MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;

                return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
        }
        case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
        case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
        case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
        case MONO_PATCH_INFO_GC_NURSERY_START:
        case MONO_PATCH_INFO_GC_NURSERY_BITS:
        case MONO_PATCH_INFO_GOT_OFFSET:
        case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
        case MONO_PATCH_INFO_AOT_MODULE:
        case MONO_PATCH_INFO_JIT_THREAD_ATTACH:
                return (ji->type << 8);
        case MONO_PATCH_INFO_CASTCLASS_CACHE:
                return (ji->type << 8) | (ji->data.index);
        case MONO_PATCH_INFO_SWITCH:
                return (ji->type << 8) | ji->data.table->table_size;
        case MONO_PATCH_INFO_GSHAREDVT_METHOD:
                return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
        case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
                /* Hash on the selector name */
                return g_str_hash (ji->data.target);
        case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
                return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
        case MONO_PATCH_INFO_LDSTR_LIT:
                return g_str_hash (ji->data.target);
        case MONO_PATCH_INFO_VIRT_METHOD: {
                MonoJumpInfoVirtMethod *info = ji->data.virt_method;

                return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
        }
        case MONO_PATCH_INFO_JIT_ICALL_ADDR:
                return (ji->type << 8) | g_str_hash (ji->data.target);
        case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
                return (ji->type << 8) | mono_signature_hash (ji->data.sig);
        default:
                printf ("info type: %d\n", ji->type);
                mono_print_ji (ji); printf ("\n");
                g_assert_not_reached ();
                return 0;
        }
}

/*
 * mono_patch_info_equal:
 *
 * This might fail to recognize equivalent patches, i.e. floats, so its only
 * usable in those cases where this is not a problem, i.e. sharing GOT slots
 * in AOT.
 */
gint
mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
{
        const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
        const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;

        if (ji1->type != ji2->type)
                return 0;

        switch (ji1->type) {
        case MONO_PATCH_INFO_RVA:
        case MONO_PATCH_INFO_LDSTR:
        case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
        case MONO_PATCH_INFO_LDTOKEN:
        case MONO_PATCH_INFO_DECLSEC:
                if ((ji1->data.token->image != ji2->data.token->image) ||
                        (ji1->data.token->token != ji2->data.token->token) ||
                        (ji1->data.token->has_context != ji2->data.token->has_context) ||
                        (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
                        (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
                        return 0;
                break;
        case MONO_PATCH_INFO_INTERNAL_METHOD:
                return g_str_equal (ji1->data.name, ji2->data.name);
        case MONO_PATCH_INFO_RGCTX_FETCH:
        case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
                MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
                MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;

                return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
        }
        case MONO_PATCH_INFO_GSHAREDVT_CALL: {
                MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
                MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;

                return c1->sig == c2->sig && c1->method == c2->method;
        }
        case MONO_PATCH_INFO_GSHAREDVT_METHOD:
                return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
        case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
                return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method && ji1->data.del_tramp->is_virtual == ji2->data.del_tramp->is_virtual;
        case MONO_PATCH_INFO_CASTCLASS_CACHE:
                return ji1->data.index == ji2->data.index;
        case MONO_PATCH_INFO_VIRT_METHOD:
                return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
        case MONO_PATCH_INFO_JIT_ICALL_ADDR:
                if (ji1->data.target == ji2->data.target)
                        return 1;
                return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
        case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
                return mono_metadata_signature_equal (ji1->data.sig, ji2->data.sig) ? 1 : 0;
        default:
                if (ji1->data.target != ji2->data.target)
                        return 0;
                break;
        }

        return 1;
}

gpointer
mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors, MonoError *error)
{
        unsigned char *ip = patch_info->ip.i + code;
        gconstpointer target = NULL;

        error_init (error);

        switch (patch_info->type) {
        case MONO_PATCH_INFO_BB:
                /*
                 * FIXME: This could be hit for methods without a prolog. Should use -1
                 * but too much code depends on a 0 initial value.
                 */
                //g_assert (patch_info->data.bb->native_offset);
                target = patch_info->data.bb->native_offset + code;
                break;
        case MONO_PATCH_INFO_ABS:
                target = patch_info->data.target;
                break;
        case MONO_PATCH_INFO_LABEL:
                target = patch_info->data.inst->inst_c0 + code;
                break;
        case MONO_PATCH_INFO_IP:
                target = ip;
                break;
        case MONO_PATCH_INFO_METHOD_REL:
                target = code + patch_info->data.offset;
                break;
        case MONO_PATCH_INFO_INTERNAL_METHOD: {
                MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
                if (!mi) {
                        g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
                        g_assert_not_reached ();
                }
                target = mono_icall_get_wrapper (mi);
                break;
        }
        case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
                MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
                if (!mi) {
                        g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
                        g_assert_not_reached ();
                }
                target = mi->func;
                break;
        }
        case MONO_PATCH_INFO_METHOD_JUMP:
                target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE, error);
                if (!mono_error_ok (error))
                        return NULL;
                break;
        case MONO_PATCH_INFO_METHOD:
                if (patch_info->data.method == method) {
                        target = code;
                } else {
                        /* get the trampoline to the method from the domain */
                        target = mono_create_jit_trampoline (domain, patch_info->data.method, error);
                        if (!mono_error_ok (error))
                                return NULL;
                }
                break;
        case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
                gpointer code_slot;

                mono_domain_lock (domain);
                if (!domain_jit_info (domain)->method_code_hash)
                        domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
                code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
                if (!code_slot) {
                        code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
                        g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
                }
                mono_domain_unlock (domain);
                target = code_slot;
                break;
        }
        case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
#if defined(__native_client_codegen__)
                target = (gpointer)&__nacl_thread_suspension_needed;
#else
                g_assert (mono_threads_is_coop_enabled ());
                target = (gpointer)&mono_polling_required;
#endif
                break;
        case MONO_PATCH_INFO_SWITCH: {
                gpointer *jump_table;
                int i;
#if defined(__native_client__) && defined(__native_client_codegen__)
                /* This memory will leak, but we don't care if we're */
                /* not deleting JIT'd methods anyway                 */
                jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
#else
                if (method && method->dynamic) {
                        jump_table = (void **)mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
                } else {
                        if (mono_aot_only) {
                                jump_table = (void **)mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
                        } else {
                                jump_table = (void **)mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
                        }
                }
#endif

                for (i = 0; i < patch_info->data.table->table_size; i++) {
                        jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
                }

                target = jump_table;
                break;
        }
        case MONO_PATCH_INFO_METHODCONST:
        case MONO_PATCH_INFO_CLASS:
        case MONO_PATCH_INFO_IMAGE:
        case MONO_PATCH_INFO_FIELD:
        case MONO_PATCH_INFO_SIGNATURE:
        case MONO_PATCH_INFO_AOT_MODULE:
                target = patch_info->data.target;
                break;
        case MONO_PATCH_INFO_IID:
                mono_class_init (patch_info->data.klass);
                target = GUINT_TO_POINTER (patch_info->data.klass->interface_id);
                break;
        case MONO_PATCH_INFO_ADJUSTED_IID:
                mono_class_init (patch_info->data.klass);
                target = GUINT_TO_POINTER ((guint32)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
                break;
        case MONO_PATCH_INFO_VTABLE:
                target = mono_class_vtable (domain, patch_info->data.klass);
                g_assert (target);
                break;
        case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
                MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;

                if (del_tramp->is_virtual)
                        target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
                else
                        target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
                break;
        }
        case MONO_PATCH_INFO_SFLDA: {
                MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);

                if (mono_class_field_is_special_static (patch_info->data.field)) {
                        gpointer addr = NULL;

                        mono_domain_lock (domain);
                        if (domain->special_static_fields)
                                addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
                        mono_domain_unlock (domain);
                        g_assert (addr);
                        return addr;
                }

                g_assert (vtable);
                if (!vtable->initialized && !mono_class_is_before_field_init (vtable->klass) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
                        /* Done by the generated code */
                        ;
                else {
                        if (run_cctors) {
                                if (!mono_runtime_class_init_full (vtable, error)) {
                                        return NULL;
                                }
                        }
                }
                target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
                break;
        }
        case MONO_PATCH_INFO_RVA: {
                guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
                guint32 rva;

                mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
                target = mono_image_rva_map (patch_info->data.token->image, rva);
                break;
        }
        case MONO_PATCH_INFO_R4:
        case MONO_PATCH_INFO_R8:
                target = patch_info->data.target;
                break;
        case MONO_PATCH_INFO_EXC_NAME:
                target = patch_info->data.name;
                break;
        case MONO_PATCH_INFO_LDSTR:
                target =
                        mono_ldstr_checked (domain, patch_info->data.token->image,
                                            mono_metadata_token_index (patch_info->data.token->token), error);
                break;
        case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
                gpointer handle;
                MonoClass *handle_class;

                handle = mono_ldtoken_checked (patch_info->data.token->image,
                                                           patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
                if (!mono_error_ok (error))
                        return NULL;
                mono_class_init (handle_class);
                mono_class_init (mono_class_from_mono_type ((MonoType *)handle));

                target = mono_type_get_object_checked (domain, (MonoType *)handle, error);
                if (!mono_error_ok (error))
                        return NULL;
                break;
        }
        case MONO_PATCH_INFO_LDTOKEN: {
                gpointer handle;
                MonoClass *handle_class;

                handle = mono_ldtoken_checked (patch_info->data.token->image,
                                                           patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
                if (!mono_error_ok (error))
                        g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
                mono_class_init (handle_class);

                target = handle;
                break;
        }
        case MONO_PATCH_INFO_DECLSEC:
                target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
                break;
        case MONO_PATCH_INFO_ICALL_ADDR:
        case MONO_PATCH_INFO_ICALL_ADDR_CALL:
                /* run_cctors == 0 -> AOT */
                if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
                        const char *exc_class;
                        const char *exc_arg;

                        if (run_cctors) {
                                target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
                                if (!target) {
                                        if (mono_aot_only) {
                                                mono_error_set_exception_instance (error, mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
                                                return NULL;
                                        }
                                        g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
                                }
                        } else {
                                target = NULL;
                        }
                } else {
                        target = mono_lookup_internal_call (patch_info->data.method);

                        if (!target && run_cctors)
                                g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
                }
                break;
        case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
                target = mono_thread_interruption_request_flag ();
                break;
        case MONO_PATCH_INFO_METHOD_RGCTX: {
                MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
                g_assert (vtable);

                target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
                break;
        }
        case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
                int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);

                target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
                break;
        }
        case MONO_PATCH_INFO_BB_OVF:
        case MONO_PATCH_INFO_EXC_OVF:
        case MONO_PATCH_INFO_GOT_OFFSET:
        case MONO_PATCH_INFO_NONE:
                break;
        case MONO_PATCH_INFO_RGCTX_FETCH: {
                int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);

                target = mono_create_rgctx_lazy_fetch_trampoline (slot);
                break;
        }
#ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
        case MONO_PATCH_INFO_SEQ_POINT_INFO:
                if (!run_cctors)
                        /* AOT, not needed */
                        target = NULL;
                else
                        target = mono_arch_get_seq_point_info (domain, code);
                break;
#endif
        case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
                int card_table_shift_bits;
                gpointer card_table_mask;

                target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
                break;
        }
        case MONO_PATCH_INFO_GC_NURSERY_START: {
                int shift_bits;
                size_t size;

                target = mono_gc_get_nursery (&shift_bits, &size);
                break;
        }
        case MONO_PATCH_INFO_GC_NURSERY_BITS: {
                int shift_bits;
                size_t size;

                mono_gc_get_nursery (&shift_bits, &size);

                target = (gpointer)(mgreg_t)shift_bits;
                break;
        }
        case MONO_PATCH_INFO_CASTCLASS_CACHE: {
                target = mono_domain_alloc0 (domain, sizeof (gpointer));
                break;
        }
        case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
                target = NULL;
                break;
        }
        case MONO_PATCH_INFO_LDSTR_LIT: {
                int len;
                char *s;

                len = strlen ((const char *)patch_info->data.target);
                s = (char *)mono_domain_alloc0 (domain, len + 1);
                memcpy (s, patch_info->data.target, len);
                target = s;

                break;
        }
        case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
                target = mini_get_gsharedvt_wrapper (TRUE, NULL, patch_info->data.sig, NULL, -1, FALSE);
                break;
        case MONO_PATCH_INFO_GET_TLS_TRAMP:
                target = mono_tls_get_tls_getter (patch_info->data.index, FALSE);
                break;
        case MONO_PATCH_INFO_SET_TLS_TRAMP:
                target = mono_tls_get_tls_setter (patch_info->data.index, FALSE);
                break;
        case MONO_PATCH_INFO_JIT_THREAD_ATTACH: {
                MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_jit_thread_attach");
                g_assert (mi);
                target = mi->func;
                break;
        }
        default:
                g_assert_not_reached ();
        }

        return (gpointer)target;
}

void
mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
{
        MonoGenericInst *inst;
        int i;

        memset (gsctx, 0, sizeof (MonoGenericSharingContext));

        if (context && context->class_inst) {
                inst = context->class_inst;
                for (i = 0; i < inst->type_argc; ++i) {
                        MonoType *type = inst->type_argv [i];

                        if (mini_is_gsharedvt_gparam (type))
                                gsctx->is_gsharedvt = TRUE;
                }
        }
        if (context && context->method_inst) {
                inst = context->method_inst;

                for (i = 0; i < inst->type_argc; ++i) {
                        MonoType *type = inst->type_argv [i];

                        if (mini_is_gsharedvt_gparam (type))
                                gsctx->is_gsharedvt = TRUE;
                }
        }
}

/*
 * LOCKING: Acquires the jit code hash lock.
 */
MonoJitInfo*
mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
{
        MonoJitInfo *ji;
        static gboolean inited = FALSE;
        static int lookups = 0;
        static int failed_lookups = 0;

        mono_domain_jit_code_hash_lock (domain);
        ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
        if (!ji && shared) {
                /* Try generic sharing */
                ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
                if (ji && !ji->has_generic_jit_info)
                        ji = NULL;
                if (!inited) {
                        mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
                        mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
                        inited = TRUE;
                }

                ++lookups;
                if (!ji)
                        ++failed_lookups;
        }
        mono_domain_jit_code_hash_unlock (domain);

        return ji;
}

static MonoJitInfo*
lookup_method (MonoDomain *domain, MonoMethod *method)
{
        MonoJitInfo *ji;
        MonoMethod *shared;

        ji = mini_lookup_method (domain, method, NULL);

        if (!ji) {
                if (!mono_method_is_generic_sharable (method, FALSE))
                        return NULL;
                shared = mini_get_shared_method (method);
                ji = mini_lookup_method (domain, method, shared);
        }

        return ji;
}

MonoJitInfo *
mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
{
        return lookup_method (domain, method);
}

#if ENABLE_JIT_MAP
static FILE* perf_map_file;

void
mono_enable_jit_map (void)
{
        if (!perf_map_file) {
                char name [64];
                g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
                unlink (name);
                perf_map_file = fopen (name, "w");
        }
}

void
mono_emit_jit_tramp (void *start, int size, const char *desc)
{
        if (perf_map_file)
                fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
}

void
mono_emit_jit_map (MonoJitInfo *jinfo)
{
        if (perf_map_file) {
                char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
                mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
                g_free (name);
        }
}

gboolean
mono_jit_map_is_enabled (void)
{
        return perf_map_file != NULL;
}

#endif

static void
no_gsharedvt_in_wrapper (void)
{
        g_assert_not_reached ();
}

static gpointer
mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, gboolean jit_only, MonoError *error)
{
        MonoDomain *target_domain, *domain = mono_domain_get ();
        MonoJitInfo *info;
        gpointer code = NULL, p;
        MonoJitInfo *ji;
        MonoJitICallInfo *callinfo = NULL;
        WrapperInfo *winfo = NULL;

        error_init (error);

#ifdef ENABLE_INTERPRETER
        if (mono_use_interpreter && !jit_only) {
                code = mono_interp_create_method_pointer (method, error);
                if (code)
                        return code;
        }
#endif

        if (mono_llvm_only)
                /* Should be handled by the caller */
                g_assert (!(method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED));

        /*
         * ICALL wrappers are handled specially, since there is only one copy of them
         * shared by all appdomains.
         */
        if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
                winfo = mono_marshal_get_wrapper_info (method);
        if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
                callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
                g_assert (callinfo);

                /* Must be domain neutral since there is only one copy */
                opt |= MONO_OPT_SHARED;
        } else {
                /* MONO_OPT_SHARED is no longer supported, we only use it for icall wrappers */
                opt &= ~MONO_OPT_SHARED;
        }

        if (opt & MONO_OPT_SHARED)
                target_domain = mono_get_root_domain ();
        else
                target_domain = domain;

        if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
                WrapperInfo *info = mono_marshal_get_wrapper_info (method);

                g_assert (info);
                if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
                        MonoGenericContext *ctx = NULL;
                        if (method->is_inflated)
                                ctx = mono_method_get_context (method);
                        method = info->d.synchronized_inner.method;
                        if (ctx) {
                                method = mono_class_inflate_generic_method_checked (method, ctx, error);
                                g_assert (mono_error_ok (error)); /* FIXME don't swallow the error */
                        }
                }
        }

        info = lookup_method (target_domain, method);
        if (info) {
                /* We can't use a domain specific method in another domain */
                if (! ((domain != target_domain) && !info->domain_neutral)) {
                        MonoVTable *vtable;

                        mono_jit_stats.methods_lookups++;
                        vtable = mono_class_vtable_full (domain, method->klass, error);
                        if (!is_ok (error))
                                return NULL;
                        g_assert (vtable);
                        if (!mono_runtime_class_init_full (vtable, error))
                                return NULL;
                        return mono_create_ftnptr (target_domain, info->code_start);
                }
        }

#ifdef MONO_USE_AOT_COMPILER
        if (opt & MONO_OPT_AOT) {
                MonoDomain *domain = mono_domain_get ();

                mono_class_init (method->klass);

                if ((code = mono_aot_get_method_checked (domain, method, error))) {
                        MonoVTable *vtable;

                        if (mono_runtime_is_critical_method (method) || mono_gc_is_critical_method (method)) {
                                /*
                                 * The suspend code needs to be able to lookup these methods by ip in async context,
                                 * so preload their jit info.
                                 */
                                MonoJitInfo *ji = mono_jit_info_table_find (domain, code);
                                g_assert (ji);
                        }

                        /*
                         * In llvm-only mode, method might be a shared method, so we can't initialize its class.
                         * This is not a problem, since it will be initialized when the method is first
                         * called by init_method ().
                         */
                        if (!mono_llvm_only) {
                                vtable = mono_class_vtable (domain, method->klass);
                                g_assert (vtable);
                                if (!mono_runtime_class_init_full (vtable, error))
                                        return NULL;
                        }
                }
                if (!is_ok (error))
                        return NULL;
        }
#endif

        if (!code && mono_llvm_only) {
                if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
                        WrapperInfo *info = mono_marshal_get_wrapper_info (method);

                        if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
                                /*
                                 * These wrappers are only created for signatures which are in the program, but
                                 * sometimes we load methods too eagerly and have to create them even if they
                                 * will never be called.
                                 */
                                return no_gsharedvt_in_wrapper;
                        }
                }
        }

        if (!code)
                code = mono_jit_compile_method_inner (method, target_domain, opt, error);
        if (!mono_error_ok (error))
                return NULL;

        if (!code && mono_llvm_only) {
                printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
                g_assert_not_reached ();
        }

        if (!code)
                return NULL;

        if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
                MonoDomain *d;

                /*
                 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
                 */
                ji = mini_jit_info_table_find (mono_domain_get (), (char *)code, &d);
                g_assert (ji);
        }

        p = mono_create_ftnptr (target_domain, code);

        if (callinfo) {
                /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
                mono_loader_lock ();
                mono_jit_lock ();
                if (!callinfo->wrapper) {
                        callinfo->wrapper = p;
                        mono_register_jit_icall_wrapper (callinfo, p);
                }
                mono_jit_unlock ();
                mono_loader_unlock ();
        }

        return p;
}

gpointer
mono_jit_compile_method (MonoMethod *method, MonoError *error)
{
        gpointer code;

        code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), FALSE, error);
        return code;
}

/*
 * mono_jit_compile_method_jit_only:
 *
 *   Compile METHOD using the JIT/AOT, even in interpreted mode.
 */
gpointer
mono_jit_compile_method_jit_only (MonoMethod *method, MonoError *error)
{
        gpointer code;

        code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), TRUE, error);
        return code;
}

#ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
static void
invalidated_delegate_trampoline (char *desc)
{
        g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
                 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
                 desc);
}
#endif

/*
 * mono_jit_free_method:
 *
 *  Free all memory allocated by the JIT for METHOD.
 */
static void
mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
{
        MonoJitDynamicMethodInfo *ji;
        gboolean destroy = TRUE;
        GHashTableIter iter;
        MonoJumpList *jlist;

        g_assert (method->dynamic);

        mono_domain_lock (domain);
        ji = mono_dynamic_code_hash_lookup (domain, method);
        mono_domain_unlock (domain);

        if (!ji)
                return;

        mono_debug_remove_method (method, domain);
        mono_lldb_remove_method (domain, method, ji);

        mono_domain_lock (domain);
        g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
        mono_domain_jit_code_hash_lock (domain);
        mono_internal_hash_table_remove (&domain->jit_code_hash, method);
        mono_domain_jit_code_hash_unlock (domain);
        g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);

        /* requires the domain lock - took above */
        mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);

        /* Remove jump targets in this method */
        g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
        while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
                GSList *tmp, *remove;

                remove = NULL;
                for (tmp = jlist->list; tmp; tmp = tmp->next) {
                        guint8 *ip = (guint8 *)tmp->data;

                        if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
                                remove = g_slist_prepend (remove, tmp);
                }
                for (tmp = remove; tmp; tmp = tmp->next) {
                        jlist->list = g_slist_delete_link ((GSList *)jlist->list, (GSList *)tmp->data);
                }
                g_slist_free (remove);
        }
        mono_domain_unlock (domain);

#ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
        if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
                /*
                 * Instead of freeing the code, change it to call an error routine
                 * so people can fix their code.
                 */
                char *type = mono_type_full_name (&method->klass->byval_arg);
                char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);

                g_free (type);
                mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
                destroy = FALSE;
        }
#endif

        /*
         * This needs to be done before freeing code_mp, since the code address is the
         * key in the table, so if we free the code_mp first, another thread can grab the
         * same code address and replace our entry in the table.
         */
        mono_jit_info_table_remove (domain, ji->ji);

        if (destroy)
                mono_code_manager_destroy (ji->code_mp);
        g_free (ji);
}

gpointer
mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
{
        MonoDomain *target_domain;
        MonoJitInfo *info;

        if (default_opt & MONO_OPT_SHARED)
                target_domain = mono_get_root_domain ();
        else
                target_domain = domain;

        info = lookup_method (target_domain, method);
        if (info) {
                /* We can't use a domain specific method in another domain */
                if (! ((domain != target_domain) && !info->domain_neutral)) {
                        mono_jit_stats.methods_lookups++;
                        if (ji)
                                *ji = info;
                        return info->code_start;
                }
        }

        if (ji)
                *ji = NULL;
        return NULL;
}

static guint32 bisect_opt = 0;
static GHashTable *bisect_methods_hash = NULL;

void
mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
{
        FILE *file;
        char method_name [2048];

        bisect_opt = opt;
        bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
        g_assert (bisect_methods_hash);

        file = fopen (method_list_filename, "r");
        g_assert (file);

        while (fgets (method_name, sizeof (method_name), file)) {
                size_t len = strlen (method_name);
                g_assert (len > 0);
                g_assert (method_name [len - 1] == '\n');
                method_name [len - 1] = 0;
                g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
        }
        g_assert (feof (file));
}

gboolean mono_do_single_method_regression = FALSE;
guint32 mono_single_method_regression_opt = 0;
MonoMethod *mono_current_single_method;
GSList *mono_single_method_list;
GHashTable *mono_single_method_hash;

guint32
mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
{
        g_assert (method);

        if (bisect_methods_hash) {
                char *name = mono_method_full_name (method, TRUE);
                void *res = g_hash_table_lookup (bisect_methods_hash, name);
                g_free (name);
                if (res)
                        return default_opt | bisect_opt;
        }
        if (!mono_do_single_method_regression)
                return default_opt;
        if (!mono_current_single_method) {
                if (!mono_single_method_hash)
                        mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
                if (!g_hash_table_lookup (mono_single_method_hash, method)) {
                        g_hash_table_insert (mono_single_method_hash, method, method);
                        mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
                }
                return default_opt;
        }
        if (method == mono_current_single_method)
                return mono_single_method_regression_opt;
        return default_opt;
}

gpointer
mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
{
        return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
}

typedef struct {
        MonoMethod *method;
        gpointer compiled_method;
        gpointer runtime_invoke;
        MonoVTable *vtable;
        MonoDynCallInfo *dyn_call_info;
        MonoClass *ret_box_class;
        MonoMethodSignature *sig;
        gboolean gsharedvt_invoke;
        gpointer *wrapper_arg;
} RuntimeInvokeInfo;

static RuntimeInvokeInfo*
create_runtime_invoke_info (MonoDomain *domain, MonoMethod *method, gpointer compiled_method, gboolean callee_gsharedvt, MonoError *error)
{
        MonoMethod *invoke;
        RuntimeInvokeInfo *info;

        info = g_new0 (RuntimeInvokeInfo, 1);
        info->compiled_method = compiled_method;
        if (mono_llvm_only && method->string_ctor)
                info->sig = mono_marshal_get_string_ctor_signature (method);
        else
                info->sig = mono_method_signature (method);

        invoke = mono_marshal_get_runtime_invoke (method, FALSE);
        info->vtable = mono_class_vtable_full (domain, method->klass, error);
        if (!mono_error_ok (error))
                return NULL;
        g_assert (info->vtable);

        MonoMethodSignature *sig = info->sig;
        MonoType *ret_type;

        /*
         * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
         * in full-aot mode, so we use a slower, but more generic wrapper if
         * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
         */
#ifdef MONO_ARCH_DYN_CALL_SUPPORTED
        if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
                gboolean supported = TRUE;
                int i;

                if (method->string_ctor)
                        sig = mono_marshal_get_string_ctor_signature (method);

                for (i = 0; i < sig->param_count; ++i) {
                        MonoType *t = sig->params [i];

                        if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
                                supported = FALSE;
                }

                if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
                        supported = FALSE;

                if (supported)
                        info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
        }
#endif

        ret_type = sig->ret;
        switch (ret_type->type) {
        case MONO_TYPE_VOID:
                break;
        case MONO_TYPE_I1:
        case MONO_TYPE_U1:
        case MONO_TYPE_I2:
        case MONO_TYPE_U2:
        case MONO_TYPE_I4:
        case MONO_TYPE_U4:
        case MONO_TYPE_I:
        case MONO_TYPE_U:
        case MONO_TYPE_I8:
        case MONO_TYPE_U8:
        case MONO_TYPE_BOOLEAN:
        case MONO_TYPE_CHAR:
        case MONO_TYPE_R4:
        case MONO_TYPE_R8:
                info->ret_box_class = mono_class_from_mono_type (ret_type);
                break;
        case MONO_TYPE_PTR:
                info->ret_box_class = mono_defaults.int_class;
                break;
        case MONO_TYPE_STRING:
        case MONO_TYPE_CLASS:
        case MONO_TYPE_ARRAY:
        case MONO_TYPE_SZARRAY:
        case MONO_TYPE_OBJECT:
                break;
        case MONO_TYPE_GENERICINST:
                if (!MONO_TYPE_IS_REFERENCE (ret_type))
                        info->ret_box_class = mono_class_from_mono_type (ret_type);
                break;
        case MONO_TYPE_VALUETYPE:
                info->ret_box_class = mono_class_from_mono_type (ret_type);
                break;
        default:
                g_assert_not_reached ();
                break;
        }

        if (!info->dyn_call_info) {
                if (mono_llvm_only) {
#ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
                        g_assert_not_reached ();
#endif
                        info->gsharedvt_invoke = TRUE;
                        if (!callee_gsharedvt) {
                                /* Invoke a gsharedvt out wrapper instead */
                                MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
                                MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);

                                info->wrapper_arg = g_malloc0 (2 * sizeof (gpointer));
                                info->wrapper_arg [0] = mini_add_method_wrappers_llvmonly (method, info->compiled_method, FALSE, FALSE, &(info->wrapper_arg [1]));

                                /* Pass has_rgctx == TRUE since the wrapper has an extra arg */
                                invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
                                g_free (wrapper_sig);

                                info->compiled_method = mono_jit_compile_method (wrapper, error);
                                if (!mono_error_ok (error)) {
                                        g_free (info);
                                        return NULL;
                                }
                        } else {
                                /* Gsharedvt methods can be invoked the same way */
                                /* The out wrapper has the same signature as the compiled gsharedvt method */
                                MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);

                                info->wrapper_arg = mono_method_needs_static_rgctx_invoke (method, TRUE) ? mini_method_get_rgctx (method) : NULL;

                                invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
                                g_free (wrapper_sig);
                        }
                }
                info->runtime_invoke = mono_jit_compile_method (invoke, error);
                if (!mono_error_ok (error)) {
                        g_free (info);
                        return NULL;
                }
        }

        return info;
}

static MonoObject*
mono_llvmonly_runtime_invoke (MonoMethod *method, RuntimeInvokeInfo *info, void *obj, void **params, MonoObject **exc, MonoError *error)
{
        MonoMethodSignature *sig = info->sig;
        MonoDomain *domain = mono_domain_get ();
        MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
        gpointer *args;
        gpointer retval_ptr;
        guint8 retval [256];
        gpointer *param_refs;
        int i, pindex;

        error_init (error);

        g_assert (info->gsharedvt_invoke);

        /*
         * Instead of invoking the method directly, we invoke a gsharedvt out wrapper.
         * The advantage of this is the gsharedvt out wrappers have a reduced set of
         * signatures, so we only have to generate runtime invoke wrappers for these
         * signatures.
         * This code also handles invocation of gsharedvt methods directly, no
         * out wrappers are used in that case.
         */
        args = (void **)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
        param_refs = (gpointer*)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
        pindex = 0;
        /*
         * The runtime invoke wrappers expects pointers to primitive types, so have to
         * use indirections.
         */
        if (sig->hasthis)
                args [pindex ++] = &obj;
        if (sig->ret->type != MONO_TYPE_VOID) {
                retval_ptr = (gpointer)&retval;
                args [pindex ++] = &retval_ptr;
        }
        for (i = 0; i < sig->param_count; ++i) {
                MonoType *t = sig->params [i];

                if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
                        MonoClass *klass = mono_class_from_mono_type (t);
                        guint8 *nullable_buf;
                        int size;

                        size = mono_class_value_size (klass, NULL);
                        nullable_buf = g_alloca (size);
                        g_assert (nullable_buf);

                        /* The argument pointed to by params [i] is either a boxed vtype or null */
                        mono_nullable_init (nullable_buf, (MonoObject*)params [i], klass);
                        params [i] = nullable_buf;
                }

                if (!t->byref && (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR)) {
                        param_refs [i] = params [i];
                        params [i] = &(param_refs [i]);
                }
                args [pindex ++] = &params [i];
        }
        /* The gsharedvt out wrapper has an extra argument which contains the method to call */
        args [pindex ++] = &info->wrapper_arg;

        runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;

        runtime_invoke (NULL, args, exc, info->compiled_method);
        if (exc && *exc)
                return NULL;

        if (sig->ret->type != MONO_TYPE_VOID && info->ret_box_class)
                return mono_value_box_checked (domain, info->ret_box_class, retval, error);
        else
                return *(MonoObject**)retval;
}

/**
 * mono_jit_runtime_invoke:
 * \param method: the method to invoke
 * \param obj: this pointer
 * \param params: array of parameter values.
 * \param exc: Set to the exception raised in the managed method.
 * \param error: error or caught exception object
 * If \p exc is NULL, \p error is thrown instead.
 * If coop is enabled, \p exc argument is ignored -
 * all exceptions are caught and propagated through \p error
 */
static MonoObject*
mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
{
        MonoMethod *invoke, *callee;
        MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
        MonoDomain *domain = mono_domain_get ();
        MonoJitDomainInfo *domain_info;
        RuntimeInvokeInfo *info, *info2;
        MonoJitInfo *ji = NULL;
        gboolean callee_gsharedvt = FALSE;

#ifdef ENABLE_INTERPRETER
        if (mono_use_interpreter)
                return mono_interp_runtime_invoke (method, obj, params, exc, error);
#endif

        error_init (error);

        if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
                g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
                return NULL;
        }

        domain_info = domain_jit_info (domain);

        info = (RuntimeInvokeInfo *)mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);

        if (!info) {
                if (mono_security_core_clr_enabled ()) {
                        /*
                         * This might be redundant since mono_class_vtable () already does this,
                         * but keep it just in case for moonlight.
                         */
                        mono_class_setup_vtable (method->klass);
                        if (mono_class_has_failure (method->klass)) {
                                mono_error_set_for_class_failure (error, method->klass);
                                if (exc)
                                        *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
                                return NULL;
                        }
                }

                gpointer compiled_method;

                callee = method;
                if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
                        (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
                        /*
                         * Array Get/Set/Address methods. The JIT implements them using inline code
                         * inside the runtime invoke wrappers, so no need to compile them.
                         */
                        if (mono_aot_only) {
                                /*
                                 * Call a wrapper, since the runtime invoke wrapper was not generated.
                                 */
                                MonoMethod *wrapper;

                                wrapper = mono_marshal_get_array_accessor_wrapper (method);
                                invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
                                callee = wrapper;
                        } else {
                                callee = NULL;
                        }
                }

                if (callee) {
                        compiled_method = mono_jit_compile_method (callee, error);
                        if (!compiled_method) {
                                g_assert (!mono_error_ok (error));
                                return NULL;
                        }

                        if (mono_llvm_only) {
                                ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (compiled_method), NULL);
                                callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
                                if (callee_gsharedvt)
                                        callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
                        }

                        if (!callee_gsharedvt)
                                compiled_method = mini_add_method_trampoline (callee, compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
                } else {
                        compiled_method = NULL;
                }

                info = create_runtime_invoke_info (domain, method, compiled_method, callee_gsharedvt, error);
                if (!mono_error_ok (error))
                        return NULL;

                mono_domain_lock (domain);
                info2 = (RuntimeInvokeInfo *)mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
                mono_domain_unlock (domain);
                if (info2) {
                        g_free (info);
                        info = info2;
                }
        }

        /*
         * We need this here because mono_marshal_get_runtime_invoke can place
         * the helper method in System.Object and not the target class.
         */
        if (!mono_runtime_class_init_full (info->vtable, error)) {
                if (exc)
                        *exc = (MonoObject*) mono_error_convert_to_exception (error);
                return NULL;
        }

        /* If coop is enabled, and the caller didn't ask for the exception to be caught separately,
           we always catch the exception and propagate it through the MonoError */
        gboolean catchExcInMonoError =
                (exc == NULL) && mono_threads_is_coop_enabled ();
        MonoObject *invoke_exc = NULL;
        if (catchExcInMonoError)
                exc = &invoke_exc;

        /* The wrappers expect this to be initialized to NULL */
        if (exc)
                *exc = NULL;

#ifdef MONO_ARCH_DYN_CALL_SUPPORTED
        if (info->dyn_call_info) {
                MonoMethodSignature *sig = mono_method_signature (method);
                gpointer *args;
                static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
                int i, pindex;
                guint8 buf [512];
                guint8 retval [256];

                if (!dyn_runtime_invoke) {
                        invoke = mono_marshal_get_runtime_invoke_dynamic ();
                        dyn_runtime_invoke = (RuntimeInvokeDynamicFunction)mono_jit_compile_method (invoke, error);
                        if (!mono_error_ok (error))
                                return NULL;
                }

                /* Convert the arguments to the format expected by start_dyn_call () */
                args = (void **)g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
                pindex = 0;
                if (sig->hasthis)
                        args [pindex ++] = &obj;
                for (i = 0; i < sig->param_count; ++i) {
                        MonoType *t = sig->params [i];

                        if (t->byref) {
                                args [pindex ++] = &params [i];
                        } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
                                args [pindex ++] = &params [i];
                        } else {
                                args [pindex ++] = params [i];
                        }
                }

                //printf ("M: %s\n", mono_method_full_name (method, TRUE));

                mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));

                dyn_runtime_invoke (buf, exc, info->compiled_method);
                mono_arch_finish_dyn_call (info->dyn_call_info, buf);

                if (catchExcInMonoError && *exc != NULL) {
                        mono_error_set_exception_instance (error, (MonoException*) *exc);
                        return NULL;
                }

                if (info->ret_box_class)
                        return mono_value_box_checked (domain, info->ret_box_class, retval, error);
                else
                        return *(MonoObject**)retval;
        }
#endif

        MonoObject *result;

        if (mono_llvm_only) {
                result = mono_llvmonly_runtime_invoke (method, info, obj, params, exc, error);
                if (!is_ok (error))
                        return NULL;
        } else {
                runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;

                result = runtime_invoke ((MonoObject *)obj, params, exc, info->compiled_method);
        }
        if (catchExcInMonoError && *exc != NULL)
                mono_error_set_exception_instance (error, (MonoException*) *exc);
        return result;
}

typedef struct {
        MonoVTable *vtable;
        int slot;
} IMTTrampInfo;

typedef gpointer (*IMTTrampFunc) (gpointer *arg, MonoMethod *imt_method);

/*
 * mini_llvmonly_initial_imt_tramp:
 *
 *  This function is called the first time a call is made through an IMT trampoline.
 * It should have the same signature as the mono_llvmonly_imt_tramp_... functions.
 */
static gpointer
mini_llvmonly_initial_imt_tramp (gpointer *arg, MonoMethod *imt_method)
{
        IMTTrampInfo *info = (IMTTrampInfo*)arg;
        gpointer *imt;
        gpointer *ftndesc;
        IMTTrampFunc func;

        mono_vtable_build_imt_slot (info->vtable, info->slot);

        imt = (gpointer*)info->vtable;
        imt -= MONO_IMT_SIZE;

        /* Return what the real IMT trampoline returns */
        ftndesc = imt [info->slot];
        func = ftndesc [0];

        if (func == (IMTTrampFunc)mini_llvmonly_initial_imt_tramp)
                /* Happens when the imt slot contains only a generic virtual method */
                return NULL;
        return func ((gpointer *)ftndesc [1], imt_method);
}

/* This is called indirectly through an imt slot. */
static gpointer
mono_llvmonly_imt_tramp (gpointer *arg, MonoMethod *imt_method)
{
        int i = 0;

        /* arg points to an array created in mono_llvmonly_get_imt_trampoline () */
        while (arg [i] && arg [i] != imt_method)
                i += 2;
        g_assert (arg [i]);

        return arg [i + 1];
}

/* Optimized versions of mono_llvmonly_imt_trampoline () for different table sizes */
static gpointer
mono_llvmonly_imt_tramp_1 (gpointer *arg, MonoMethod *imt_method)
{
        //g_assert (arg [0] == imt_method);
        return arg [1];
}

static gpointer
mono_llvmonly_imt_tramp_2 (gpointer *arg, MonoMethod *imt_method)
{
        //g_assert (arg [0] == imt_method || arg [2] == imt_method);
        if (arg [0] == imt_method)
                return arg [1];
        else
                return arg [3];
}

static gpointer
mono_llvmonly_imt_tramp_3 (gpointer *arg, MonoMethod *imt_method)
{
        //g_assert (arg [0] == imt_method || arg [2] == imt_method || arg [4] == imt_method);
        if (arg [0] == imt_method)
                return arg [1];
        else if (arg [2] == imt_method)
                return arg [3];
        else
                return arg [5];
}

/*
 * A version of the imt trampoline used for generic virtual/variant iface methods.
 * Unlikely a normal imt trampoline, its possible that IMT_METHOD is not found
 * in the search table. The original JIT code had a 'fallback' trampoline it could
 * call, but we can't do that, so we just return NULL, and the compiled code
 * will handle it.
 */
static gpointer
mono_llvmonly_fallback_imt_tramp (gpointer *arg, MonoMethod *imt_method)
{
        int i = 0;

        while (arg [i] && arg [i] != imt_method)
                i += 2;
        if (!arg [i])
                return NULL;

        return arg [i + 1];
}

static gpointer
mono_llvmonly_get_imt_trampoline (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
{
        gpointer *buf;
        gpointer *res;
        int i, index, real_count;
        gboolean virtual_generic = FALSE;

        /*
         * Create an array which is passed to the imt trampoline functions.
         * The array contains MonoMethod-function descriptor pairs, terminated by a NULL entry.
         */

        real_count = 0;
        for (i = 0; i < count; ++i) {
                MonoIMTCheckItem *item = imt_entries [i];

                if (item->is_equals)
                        real_count ++;
                if (item->has_target_code)
                        virtual_generic = TRUE;
        }

        /*
         * Initialize all vtable entries reachable from this imt slot, so the compiled
         * code doesn't have to check it.
         */
        for (i = 0; i < count; ++i) {
                MonoIMTCheckItem *item = imt_entries [i];
                int vt_slot;

                if (!item->is_equals || item->has_target_code)
                        continue;
                vt_slot = item->value.vtable_slot;
                mono_init_vtable_slot (vtable, vt_slot);
        }

        /* Save the entries into an array */
        buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
        index = 0;
        for (i = 0; i < count; ++i) {
                MonoIMTCheckItem *item = imt_entries [i];

                if (!item->is_equals)
                        continue;

                g_assert (item->key);
                buf [(index * 2)] = item->key;
                if (item->has_target_code)
                        buf [(index * 2) + 1] = item->value.target_code;
                else
                        buf [(index * 2) + 1] = vtable->vtable [item->value.vtable_slot];
                index ++;
        }
        buf [(index * 2)] = NULL;
        buf [(index * 2) + 1] = fail_tramp;

        /*
         * Return a function descriptor for a C function with 'buf' as its argument.
         * It will by called by JITted code.
         */
        res = (void **)mono_domain_alloc (domain, 2 * sizeof (gpointer));
        switch (real_count) {
        case 1:
                res [0] = mono_llvmonly_imt_tramp_1;
                break;
        case 2:
                res [0] = mono_llvmonly_imt_tramp_2;
                break;
        case 3:
                res [0] = mono_llvmonly_imt_tramp_3;
                break;
        default:
                res [0] = mono_llvmonly_imt_tramp;
                break;
        }
        if (virtual_generic || fail_tramp)
                res [0] = mono_llvmonly_fallback_imt_tramp;
        res [1] = buf;

        return res;
}

MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
{
        MonoException *exc = NULL;
        MonoJitInfo *ji;
        MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
        MONO_SIG_HANDLER_GET_CONTEXT;

        ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);

        MONO_ENTER_GC_UNSAFE_UNBALANCED;

#if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
        if (mono_arch_is_int_overflow (ctx, info))
                /*
                 * The spec says this throws ArithmeticException, but MS throws the derived
                 * OverflowException.
                 */
                exc = mono_get_exception_overflow ();
        else
                exc = mono_get_exception_divide_by_zero ();
#else
        exc = mono_get_exception_divide_by_zero ();
#endif

        if (!ji) {
                if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
                        goto exit;

                mono_handle_native_crash ("SIGFPE", ctx, info);
                if (mono_do_crash_chaining) {
                        mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
                        goto exit;
                }
        }

        mono_arch_handle_exception (ctx, exc);

exit:
        MONO_EXIT_GC_UNSAFE_UNBALANCED;
}

MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
{
        MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
        MONO_SIG_HANDLER_GET_CONTEXT;

        if (mono_runtime_get_no_exec ())
                exit (1);


        mono_handle_native_crash ("SIGILL", ctx, info);
        if (mono_do_crash_chaining) {
                mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
                return;
        }

        g_assert_not_reached ();
}

#if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
#define HAVE_SIG_INFO
#endif

MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
{
        MonoJitInfo *ji;
        MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
        gpointer fault_addr = NULL;
#ifdef HAVE_SIG_INFO
        MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
#else
        void *info = NULL;
#endif
        MONO_SIG_HANDLER_GET_CONTEXT;

#if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
        if (mono_arch_is_single_step_event (info, ctx)) {
                mono_debugger_agent_single_step_event (ctx);
                return;
        } else if (mono_arch_is_breakpoint_event (info, ctx)) {
                mono_debugger_agent_breakpoint_hit (ctx);
                return;
        }
#endif

#if defined(HAVE_SIG_INFO)
#if !defined(HOST_WIN32)
        fault_addr = info->si_addr;
        if (mono_aot_is_pagefault (info->si_addr)) {
                mono_aot_handle_pagefault (info->si_addr);
                return;
        }
#endif

        /* The thread might no be registered with the runtime */
        if (!mono_domain_get () || !jit_tls) {
                if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
                        return;
                mono_handle_native_crash ("SIGSEGV", ctx, info);
                if (mono_do_crash_chaining) {
                        mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
                        return;
                }
        }
#endif

        ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);

#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
        if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
                return;

#ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
        /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
        fault_addr = info->si_addr;
        if (fault_addr == NULL) {
                MonoContext mctx;

                mono_sigctx_to_monoctx (ctx, &mctx);

                fault_addr = MONO_CONTEXT_GET_SP (&mctx);
        }
#endif

        if (jit_tls->stack_size &&
                ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
                /*
                 * The hard-guard page has been hit: there is not much we can do anymore
                 * Print a hopefully clear message and abort.
                 */
                mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
                g_assert_not_reached ();
        } else {
                /* The original handler might not like that it is executed on an altstack... */
                if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
                        return;

                mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
        }
#else

        if (!ji) {
                if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
                        return;

                mono_handle_native_crash ("SIGSEGV", ctx, info);

                if (mono_do_crash_chaining) {
                        mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
                        return;
                }
        }

        mono_arch_handle_exception (ctx, NULL);
#endif
}

MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
{
        MonoException *exc;
        MONO_SIG_HANDLER_GET_CONTEXT;

        MONO_ENTER_GC_UNSAFE_UNBALANCED;

        exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");

        mono_arch_handle_exception (ctx, exc);

        MONO_EXIT_GC_UNSAFE_UNBALANCED;
}

#ifndef DISABLE_REMOTING
/* mono_jit_create_remoting_trampoline:
 * @method: pointer to the method info
 *
 * Creates a trampoline which calls the remoting functions. This
 * is used in the vtable of transparent proxies.
 *
 * Returns: a pointer to the newly created code
 */
static gpointer
mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target, MonoError *error)
{
        MonoMethod *nm;
        guint8 *addr = NULL;

        error_init (error);

        if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
                return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
                        domain, NULL);
        }

        if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
            (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class)))
                nm = mono_marshal_get_remoting_invoke_for_target (method, target);
        else
                nm = method;
        addr = (guint8 *)mono_compile_method_checked (nm, error);
        return_val_if_nok (error, NULL);
        return mono_get_addr_from_ftnptr (addr);
}
#endif

static G_GNUC_UNUSED void
no_imt_trampoline (void)
{
        g_assert_not_reached ();
}

static G_GNUC_UNUSED void
no_vcall_trampoline (void)
{
        g_assert_not_reached ();
}

static gpointer *vtable_trampolines;
static int vtable_trampolines_size;

gpointer
mini_get_vtable_trampoline (MonoVTable *vt, int slot_index)
{
        int index = slot_index + MONO_IMT_SIZE;

        if (mono_llvm_only) {
                if (slot_index < 0) {
                        /* Initialize the IMT trampoline to a 'trampoline' so the generated code doesn't have to initialize it */
                        // FIXME: Memory management
                        gpointer *ftndesc = g_malloc (2 * sizeof (gpointer));
                        IMTTrampInfo *info = g_new0 (IMTTrampInfo, 1);
                        info->vtable = vt;
                        info->slot = index;
                        ftndesc [0] = mini_llvmonly_initial_imt_tramp;
                        ftndesc [1] = info;
                        mono_memory_barrier ();
                        return ftndesc;
                } else {
                        return NULL;
                }
        }

        g_assert (slot_index >= - MONO_IMT_SIZE);
        if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
                mono_jit_lock ();
                if (!vtable_trampolines || index >= vtable_trampolines_size) {
                        int new_size;
                        gpointer new_table;

                        new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
                        while (new_size <= index)
                                new_size *= 2;
                        new_table = g_new0 (gpointer, new_size);

                        if (vtable_trampolines)
                                memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
                        g_free (vtable_trampolines);
                        mono_memory_barrier ();
                        vtable_trampolines = (void **)new_table;
                        vtable_trampolines_size = new_size;
                }
                mono_jit_unlock ();
        }

        if (!vtable_trampolines [index])
                vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
        return vtable_trampolines [index];
}

static gpointer
mini_get_imt_trampoline (MonoVTable *vt, int slot_index)
{
        return mini_get_vtable_trampoline (vt, slot_index - MONO_IMT_SIZE);
}

static gboolean
mini_imt_entry_inited (MonoVTable *vt, int imt_slot_index)
{
        if (mono_llvm_only)
                return FALSE;

        gpointer *imt = (gpointer*)vt;
        imt -= MONO_IMT_SIZE;

        return (imt [imt_slot_index] != mini_get_imt_trampoline (vt, imt_slot_index));
}

static gboolean
is_callee_gsharedvt_variable (gpointer addr)
{
        MonoJitInfo *ji;
        gboolean callee_gsharedvt;

        ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (addr), NULL);
        g_assert (ji);
        callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
        if (callee_gsharedvt)
                callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
        return callee_gsharedvt;
}

gpointer
mini_get_delegate_arg (MonoMethod *method, gpointer method_ptr)
{
        gpointer arg = NULL;

        if (mono_method_needs_static_rgctx_invoke (method, FALSE))
                arg = mini_method_get_rgctx (method);

        /*
         * Avoid adding gsharedvt in wrappers since they might not exist if
         * this delegate is called through a gsharedvt delegate invoke wrapper.
         * Instead, encode that the method is gsharedvt in del->extra_arg,
         * the CEE_MONO_CALLI_EXTRA_ARG implementation in the JIT depends on this.
         */
        if (method->is_inflated && is_callee_gsharedvt_variable (method_ptr)) {
                g_assert ((((mgreg_t)arg) & 1) == 0);
                arg = (gpointer)(((mgreg_t)arg) | 1);
        }
        return arg;
}

void
mini_init_delegate (MonoDelegate *del)
{
        if (mono_llvm_only)
                del->extra_arg = mini_get_delegate_arg (del->method, del->method_ptr);
#ifdef ENABLE_INTERPRETER
        if (mono_use_interpreter)
                mono_interp_init_delegate (del);
#endif
}

char*
mono_get_delegate_virtual_invoke_impl_name (gboolean load_imt_reg, int offset)
{
        int abs_offset;

        abs_offset = offset;
        if (abs_offset < 0)
                abs_offset = - abs_offset;
        return g_strdup_printf ("delegate_virtual_invoke%s_%s%d", load_imt_reg ? "_imt" : "", offset < 0 ? "m_" : "", abs_offset / SIZEOF_VOID_P);
}

gpointer
mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
{
        gboolean is_virtual_generic, is_interface, load_imt_reg;
        int offset, idx;

        static guint8 **cache = NULL;
        static int cache_size = 0;

        if (!method)
                return NULL;

        if (MONO_TYPE_ISSTRUCT (sig->ret))
                return NULL;

        is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
        is_interface = mono_class_is_interface (method->klass);
        load_imt_reg = is_virtual_generic || is_interface;

        if (is_interface)
                offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
        else
                offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));

        idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
        g_assert (idx >= 0);

        /* Resize the cache to idx + 1 */
        if (cache_size < idx + 1) {
                mono_jit_lock ();
                if (cache_size < idx + 1) {
                        guint8 **new_cache;
                        int new_cache_size = idx + 1;

                        new_cache = g_new0 (guint8*, new_cache_size);
                        if (cache)
                                memcpy (new_cache, cache, cache_size * sizeof (guint8*));
                        g_free (cache);

                        mono_memory_barrier ();
                        cache = new_cache;
                        cache_size = new_cache_size;
                }
                mono_jit_unlock ();
        }

        if (cache [idx])
                return cache [idx];

        /* FIXME Support more cases */
        if (mono_aot_only) {
                cache [idx] = (guint8 *)mono_aot_get_trampoline (mono_get_delegate_virtual_invoke_impl_name (load_imt_reg, offset));
                g_assert (cache [idx]);
        } else {
                cache [idx] = (guint8 *)mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
        }
        return cache [idx];
}

/**
 * mini_parse_debug_option:
 * @option: The option to parse.
 *
 * Parses debug options for the mono runtime. The options are the same as for
 * the MONO_DEBUG environment variable.
 *
 */
gboolean
mini_parse_debug_option (const char *option)
{
        if (!strcmp (option, "handle-sigint"))
                debug_options.handle_sigint = TRUE;
        else if (!strcmp (option, "keep-delegates"))
                debug_options.keep_delegates = TRUE;
        else if (!strcmp (option, "reverse-pinvoke-exceptions"))
                debug_options.reverse_pinvoke_exceptions = TRUE;
        else if (!strcmp (option, "collect-pagefault-stats"))
                debug_options.collect_pagefault_stats = TRUE;
        else if (!strcmp (option, "break-on-unverified"))
                debug_options.break_on_unverified = TRUE;
        else if (!strcmp (option, "no-gdb-backtrace"))
                debug_options.no_gdb_backtrace = TRUE;
        else if (!strcmp (option, "suspend-on-native-crash") || !strcmp (option, "suspend-on-sigsegv"))
                debug_options.suspend_on_native_crash = TRUE;
        else if (!strcmp (option, "suspend-on-exception"))
                debug_options.suspend_on_exception = TRUE;
        else if (!strcmp (option, "suspend-on-unhandled"))
                debug_options.suspend_on_unhandled = TRUE;
        else if (!strcmp (option, "dont-free-domains"))
                mono_dont_free_domains = TRUE;
        else if (!strcmp (option, "dyn-runtime-invoke"))
                debug_options.dyn_runtime_invoke = TRUE;
        else if (!strcmp (option, "gdb"))
                debug_options.gdb = TRUE;
        else if (!strcmp (option, "lldb"))
                debug_options.lldb = TRUE;
        else if (!strcmp (option, "explicit-null-checks"))
                debug_options.explicit_null_checks = TRUE;
        else if (!strcmp (option, "gen-seq-points"))
                debug_options.gen_sdb_seq_points = TRUE;
        else if (!strcmp (option, "gen-compact-seq-points"))
                fprintf (stderr, "Mono Warning: option gen-compact-seq-points is deprecated.\n");
        else if (!strcmp (option, "no-compact-seq-points"))
                debug_options.no_seq_points_compact_data = TRUE;
        else if (!strcmp (option, "single-imm-size"))
                debug_options.single_imm_size = TRUE;
        else if (!strcmp (option, "init-stacks"))
                debug_options.init_stacks = TRUE;
        else if (!strcmp (option, "casts"))
                debug_options.better_cast_details = TRUE;
        else if (!strcmp (option, "soft-breakpoints"))
                debug_options.soft_breakpoints = TRUE;
        else if (!strcmp (option, "check-pinvoke-callconv"))
                debug_options.check_pinvoke_callconv = TRUE;
        else if (!strcmp (option, "use-fallback-tls"))
                debug_options.use_fallback_tls = TRUE;
        else if (!strcmp (option, "debug-domain-unload"))
                mono_enable_debug_domain_unload (TRUE);
        else if (!strcmp (option, "partial-sharing"))
                mono_set_partial_sharing_supported (TRUE);
        else if (!strcmp (option, "align-small-structs"))
                mono_align_small_structs = TRUE;
        else if (!strcmp (option, "native-debugger-break"))
                debug_options.native_debugger_break = TRUE;
        else if (!strcmp (option, "disable_omit_fp"))
                debug_options.disable_omit_fp = TRUE;
        else
                return FALSE;

        return TRUE;
}

static void
mini_parse_debug_options (void)
{
        const char *options = g_getenv ("MONO_DEBUG");
        gchar **args, **ptr;

        if (!options)
                return;

        args = g_strsplit (options, ",", -1);

        for (ptr = args; ptr && *ptr; ptr++) {
                const char *arg = *ptr;

                if (!mini_parse_debug_option (arg)) {
                        fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
                        fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'suspend-on-native-crash', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dont-free-domains', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'gen-seq-points', 'no-compact-seq-points', 'single-imm-size', 'init-stacks', 'casts', 'soft-breakpoints', 'check-pinvoke-callconv', 'use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs', 'native-debugger-break'\n");
                        exit (1);
                }
        }

        g_strfreev (args);
}

MonoDebugOptions *
mini_get_debug_options (void)
{
        return &debug_options;
}

static gpointer
mini_create_ftnptr (MonoDomain *domain, gpointer addr)
{
#if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
        return addr;
#else
        gpointer* desc = NULL;

        if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
                return desc;
#       ifdef __ia64__
        desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));

        desc [0] = addr;
        desc [1] = NULL;
#       elif defined(__ppc64__) || defined(__powerpc64__)

        desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));

        desc [0] = addr;
        desc [1] = NULL;
        desc [2] = NULL;
#       endif
        g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
        return desc;
#endif
}

static gpointer
mini_get_addr_from_ftnptr (gpointer descr)
{
#if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
        return *(gpointer*)descr;
#else
        return descr;
#endif
}

static void
register_jit_stats (void)
{
        mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
        mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
        mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
        mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
        mono_counters_register ("JIT/method_to_ir (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_method_to_ir);
        mono_counters_register ("JIT/liveness_handle_exception_clauses (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses);
        mono_counters_register ("JIT/handle_out_of_line_bblock (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_out_of_line_bblock);
        mono_counters_register ("JIT/decompose_long_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_long_opts);
        mono_counters_register ("JIT/decompose_typechecks (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_typechecks);
        mono_counters_register ("JIT/local_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop);
        mono_counters_register ("JIT/local_emulate_ops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_emulate_ops);
        mono_counters_register ("JIT/optimize_branches (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches);
        mono_counters_register ("JIT/handle_global_vregs (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs);
        mono_counters_register ("JIT/local_deadce (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce);
        mono_counters_register ("JIT/local_alias_analysis (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_alias_analysis);
        mono_counters_register ("JIT/if_conversion (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_if_conversion);
        mono_counters_register ("JIT/bb_ordering (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_bb_ordering);
        mono_counters_register ("JIT/compile_dominator_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compile_dominator_info);
        mono_counters_register ("JIT/compute_natural_loops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compute_natural_loops);
        mono_counters_register ("JIT/insert_safepoints (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_insert_safepoints);
        mono_counters_register ("JIT/ssa_compute (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_compute);
        mono_counters_register ("JIT/ssa_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_cprop);
        mono_counters_register ("JIT/ssa_deadce(sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_deadce);
        mono_counters_register ("JIT/perform_abc_removal (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_perform_abc_removal);
        mono_counters_register ("JIT/ssa_remove (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_remove);
        mono_counters_register ("JIT/local_cprop2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop2);
        mono_counters_register ("JIT/handle_global_vregs2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs2);
        mono_counters_register ("JIT/local_deadce2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce2);
        mono_counters_register ("JIT/optimize_branches2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches2);
        mono_counters_register ("JIT/decompose_vtype_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_vtype_opts);
        mono_counters_register ("JIT/decompose_array_access_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_array_access_opts);
        mono_counters_register ("JIT/liveness_handle_exception_clauses2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses2);
        mono_counters_register ("JIT/analyze_liveness (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_analyze_liveness);
        mono_counters_register ("JIT/linear_scan (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_linear_scan);
        mono_counters_register ("JIT/arch_allocate_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_arch_allocate_vars);
        mono_counters_register ("JIT/spill_global_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_spill_global_vars);
        mono_counters_register ("JIT/local_cprop3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop3);
        mono_counters_register ("JIT/local_deadce3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce3);
        mono_counters_register ("JIT/codegen (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_codegen);
        mono_counters_register ("JIT/create_jit_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_create_jit_info);
        mono_counters_register ("JIT/gc_create_gc_map (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_gc_create_gc_map);
        mono_counters_register ("JIT/save_seq_point_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_save_seq_point_info);
        mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
        mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
        mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
        mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
        mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
        mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
        mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
        mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
        mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
        mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
        mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
        mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
        mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
        mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
        mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
        mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
        mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
        mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
        mono_counters_register ("Optimized immediate divisions", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.optimized_divisions);
}

static void runtime_invoke_info_free (gpointer value);

static gint
class_method_pair_equal (gconstpointer ka, gconstpointer kb)
{
        const MonoClassMethodPair *apair = (const MonoClassMethodPair *)ka;
        const MonoClassMethodPair *bpair = (const MonoClassMethodPair *)kb;

        return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
}

static guint
class_method_pair_hash (gconstpointer data)
{
        const MonoClassMethodPair *pair = (const MonoClassMethodPair *)data;

        return (gsize)pair->klass ^ (gsize)pair->method;
}

static void
mini_create_jit_domain_info (MonoDomain *domain)
{
        MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);

        info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
        info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
        info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
        info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->jump_target_hash = g_hash_table_new (NULL, NULL);
        mono_jit_code_hash_init (&info->interp_code_hash);

        domain->runtime_info = info;
}

static void
delete_jump_list (gpointer key, gpointer value, gpointer user_data)
{
        MonoJumpList *jlist = (MonoJumpList *)value;
        g_slist_free (jlist->list);
}

static void
delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
{
        GSList *list = (GSList *)value;
        g_slist_free (list);
}

static void
dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
{
        MonoJitDynamicMethodInfo *di = (MonoJitDynamicMethodInfo *)value;
        mono_code_manager_destroy (di->code_mp);
        g_free (di);
}

static void
runtime_invoke_info_free (gpointer value)
{
        RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;

#ifdef MONO_ARCH_DYN_CALL_SUPPORTED
        if (info->dyn_call_info)
                mono_arch_dyn_call_free (info->dyn_call_info);
#endif
        g_free (info);
}

static void
free_jit_callee_list (gpointer key, gpointer value, gpointer user_data)
{
        g_slist_free (value);
}

static void
mini_free_jit_domain_info (MonoDomain *domain)
{
        MonoJitDomainInfo *info = domain_jit_info (domain);

        g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
        g_hash_table_destroy (info->jump_target_hash);
        if (info->jump_target_got_slot_hash) {
                g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
                g_hash_table_destroy (info->jump_target_got_slot_hash);
        }
        if (info->dynamic_code_hash) {
                g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
                g_hash_table_destroy (info->dynamic_code_hash);
        }
        if (info->method_code_hash)
                g_hash_table_destroy (info->method_code_hash);
        g_hash_table_destroy (info->jump_trampoline_hash);
        g_hash_table_destroy (info->jit_trampoline_hash);
        g_hash_table_destroy (info->delegate_trampoline_hash);
        if (info->static_rgctx_trampoline_hash)
                g_hash_table_destroy (info->static_rgctx_trampoline_hash);
        g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
        mono_conc_hashtable_destroy (info->runtime_invoke_hash);
        g_hash_table_destroy (info->seq_points);
        g_hash_table_destroy (info->arch_seq_points);
        if (info->agent_info)
                mono_debugger_agent_free_domain_info (domain);
        if (info->gsharedvt_arg_tramp_hash)
                g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
        if (info->llvm_jit_callees) {
                g_hash_table_foreach (info->llvm_jit_callees, free_jit_callee_list, NULL);
                g_hash_table_destroy (info->llvm_jit_callees);
        }
#ifdef ENABLE_LLVM
        mono_llvm_free_domain_info (domain);
#endif

        g_free (domain->runtime_info);
        domain->runtime_info = NULL;
}

#ifdef MONO_ARCH_HAVE_CODE_CHUNK_TRACKING

static void
code_manager_chunk_new (void *chunk, int size)
{
        mono_arch_code_chunk_new (chunk, size);
}

static void
code_manager_chunk_destroy (void *chunk)
{
        mono_arch_code_chunk_destroy (chunk);
}

#endif

#ifdef ENABLE_LLVM
static gboolean
llvm_init_inner (void)
{
        if (!mono_llvm_load (NULL))
                return FALSE;

        mono_llvm_init ();
        return TRUE;
}
#endif

/*
 * mini_llvm_init:
 *
 *   Load and initialize LLVM support.
 * Return TRUE on success.
 */
gboolean
mini_llvm_init (void)
{
#ifdef ENABLE_LLVM
        static gboolean llvm_inited;
        static gboolean init_result;

        mono_loader_lock_if_inited ();
        if (!llvm_inited) {
                init_result = llvm_init_inner ();
                llvm_inited = TRUE;
        }
        mono_loader_unlock_if_inited ();
        return init_result;
#else
        return FALSE;
#endif
}

void
mini_profiler_enable_with_options (const char* profile_options)
{
        mini_enable_profiler = TRUE;
        mini_profiler_options = g_strdup (profile_options);
}

MonoDomain *
mini_init (const char *filename, const char *runtime_version)
{
        MonoError error;
        MonoDomain *domain;
        MonoRuntimeCallbacks callbacks;
        MonoThreadInfoRuntimeCallbacks ticallbacks;
        MonoCodeManagerCallbacks code_manager_callbacks;

        MONO_VES_INIT_BEGIN ();

        CHECKED_MONO_INIT ();

#if defined(__linux__) && !defined(__native_client__)
        if (access ("/proc/self/maps", F_OK) != 0) {
                g_print ("Mono requires /proc to be mounted.\n");
                exit (1);
        }
#endif

        mono_os_mutex_init_recursive (&jit_mutex);

        mono_cross_helpers_run ();

        mono_counters_init ();

        mini_jit_init ();

        /* Happens when using the embedding interface */
        if (!default_opt_set)
                default_opt = mono_parse_default_optimizations (NULL);

#ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
        if (mono_aot_only)
                mono_set_generic_sharing_vt_supported (TRUE);
#else
        if (mono_llvm_only)
                mono_set_generic_sharing_vt_supported (TRUE);
#endif

        mono_tls_init_runtime_keys ();

        if (!global_codeman)
                global_codeman = mono_code_manager_new ();

        memset (&callbacks, 0, sizeof (callbacks));
        callbacks.create_ftnptr = mini_create_ftnptr;
        callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
        callbacks.get_runtime_build_info = mono_get_runtime_build_info;
        callbacks.set_cast_details = mono_set_cast_details;
        callbacks.debug_log = mono_debugger_agent_debug_log;
        callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
        callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
        callbacks.get_imt_trampoline = mini_get_imt_trampoline;
        callbacks.imt_entry_inited = mini_imt_entry_inited;
        callbacks.init_delegate = mini_init_delegate;
#define JIT_INVOKE_WORKS
#ifdef JIT_INVOKE_WORKS
        callbacks.runtime_invoke = mono_jit_runtime_invoke;
#endif
#define JIT_TRAMPOLINES_WORK
#ifdef JIT_TRAMPOLINES_WORK
        callbacks.compile_method = mono_jit_compile_method;
        callbacks.create_jump_trampoline = mono_create_jump_trampoline;
        callbacks.create_jit_trampoline = mono_create_jit_trampoline;
        callbacks.create_delegate_trampoline = mono_create_delegate_trampoline;
        callbacks.free_method = mono_jit_free_method;
#ifndef DISABLE_REMOTING
        callbacks.create_remoting_trampoline = mono_jit_create_remoting_trampoline;
#endif
#endif

        mono_install_callbacks (&callbacks);

        memset (&ticallbacks, 0, sizeof (ticallbacks));
        ticallbacks.setup_async_callback = mono_setup_async_callback;
        ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
        ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
        ticallbacks.thread_state_init = mono_thread_state_init;

#ifndef HOST_WIN32
        mono_w32handle_init ();
#endif

        mono_threads_runtime_init (&ticallbacks);

        if (g_getenv ("MONO_DEBUG") != NULL)
                mini_parse_debug_options ();

        mono_code_manager_init ();

        memset (&code_manager_callbacks, 0, sizeof (code_manager_callbacks));
#ifdef MONO_ARCH_HAVE_CODE_CHUNK_TRACKING
        code_manager_callbacks.chunk_new = code_manager_chunk_new;
        code_manager_callbacks.chunk_destroy = code_manager_chunk_destroy;
#endif
        mono_code_manager_install_callbacks (&code_manager_callbacks);

        mono_hwcap_init ();

        mono_arch_cpu_init ();

        mono_arch_init ();

        mono_unwind_init ();

        if (mini_get_debug_options ()->lldb || g_getenv ("MONO_LLDB")) {
                mono_lldb_init ("");
                mono_dont_free_domains = TRUE;
        }

#ifdef XDEBUG_ENABLED
        if (g_getenv ("MONO_XDEBUG")) {
                const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
                mono_xdebug_init (xdebug_opts);
                /* So methods for multiple domains don't have the same address */
                mono_dont_free_domains = TRUE;
                mono_using_xdebug = TRUE;
        } else if (mini_get_debug_options ()->gdb) {
                mono_xdebug_init ((char*)"gdb");
                mono_dont_free_domains = TRUE;
                mono_using_xdebug = TRUE;
        }
#endif

#ifdef ENABLE_LLVM
        if (mono_use_llvm) {
                if (!mono_llvm_load (NULL)) {
                        mono_use_llvm = FALSE;
                        fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
                }
        }
        if (mono_use_llvm)
                mono_llvm_init ();
#endif

        mono_trampolines_init ();

        if (default_opt & MONO_OPT_AOT)
                mono_aot_init ();

        mono_debugger_agent_init ();

#ifdef MONO_ARCH_GSHARED_SUPPORTED
        mono_set_generic_sharing_supported (TRUE);
#endif

        mono_threads_signals_init ();

#ifndef MONO_CROSS_COMPILE
        mono_runtime_install_handlers ();
#endif
        mono_threads_install_cleanup (mini_thread_cleanup);

#ifdef JIT_TRAMPOLINES_WORK
        mono_install_create_domain_hook (mini_create_jit_domain_info);
        mono_install_free_domain_hook (mini_free_jit_domain_info);
#endif
        mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
        mono_install_get_class_from_name (mono_aot_get_class_from_name);
        mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);

        if (mini_profiler_enabled ()) {
                mono_profiler_load (mini_profiler_get_options ());
                mono_profiler_thread_name (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ()), "Main");
        }

        if (debug_options.collect_pagefault_stats)
                mono_aot_set_make_unreadable (TRUE);

        if (runtime_version)
                domain = mono_init_version (filename, runtime_version);
        else
                domain = mono_init_from_assembly (filename, filename);

        if (mono_aot_only) {
                /* This helps catch code allocation requests */
                mono_code_manager_set_read_only (domain->code_mp);
                mono_marshal_use_aot_wrappers (TRUE);
        }

        if (mono_llvm_only) {
                mono_install_imt_trampoline_builder (mono_llvmonly_get_imt_trampoline);
                mono_set_always_build_imt_trampolines (TRUE);
        } else if (mono_aot_only) {
                mono_install_imt_trampoline_builder (mono_aot_get_imt_trampoline);
        } else {
                mono_install_imt_trampoline_builder (mono_arch_build_imt_trampoline);
        }

        /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
        mono_arch_finish_init ();

        mono_icall_init ();

        /* This must come after mono_init () in the aot-only case */
        mono_exceptions_init ();

        /* This should come after mono_init () too */
        mini_gc_init ();

#ifndef DISABLE_JIT
        mono_create_helper_signatures ();
#endif

        register_jit_stats ();

#define JIT_CALLS_WORK
#ifdef JIT_CALLS_WORK
        /* Needs to be called here since register_jit_icall depends on it */
        mono_marshal_init ();

        mono_arch_register_lowlevel_calls ();

        register_icalls ();

        mono_generic_sharing_init ();
#endif

#ifdef MONO_ARCH_SIMD_INTRINSICS
        mono_simd_intrinsics_init ();
#endif

        mono_tasklets_init ();

        register_trampolines (domain);

        if (mono_compile_aot)
                /*
                 * Avoid running managed code when AOT compiling, since the platform
                 * might only support aot-only execution.
                 */
                mono_runtime_set_no_exec (TRUE);

        mono_mem_account_register_counters ();

#define JIT_RUNTIME_WORKS
#ifdef JIT_RUNTIME_WORKS
        mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
        mono_runtime_init_checked (domain, mono_thread_start_cb, mono_thread_attach_cb, &error);
        mono_error_assert_ok (&error);
        mono_thread_attach (domain);
#endif

        if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
                mono_runtime_setup_stat_profiler ();

        mono_profiler_runtime_initialized ();

        MONO_VES_INIT_END ();

        return domain;
}

static void
register_icalls (void)
{
        mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
                                ves_icall_get_frame_info);
        mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
                                ves_icall_get_trace);
        mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
                                mono_runtime_install_handlers);
        mono_add_internal_call ("Mono.Runtime::mono_runtime_cleanup_handlers",
                                mono_runtime_cleanup_handlers);

#if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
        mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
                                mono_debugger_agent_unhandled_exception);
#endif

        /*
         * It's important that we pass `TRUE` as the last argument here, as
         * it causes the JIT to omit a wrapper for these icalls. If the JIT
         * *did* emit a wrapper, we'd be looking at infinite recursion since
         * the wrapper would call the icall which would call the wrapper and
         * so on.
         */
        register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
        register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);

        register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
        register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
        register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
        register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
        register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
        register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);

        register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
        register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
        register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
        register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
        register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
        register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
        register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", TRUE);
#if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
        register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);

        // FIXME: This is broken
        register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
#endif

        register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
        register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
        register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
        register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
        register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
        register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);

#if defined(__native_client__) || defined(__native_client_codegen__)
        register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
#endif

        if (mono_threads_is_coop_enabled ())
                register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);

#ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
        register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", FALSE);
        register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
        register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
        register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
        register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
#endif
#if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
        register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
        register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
#endif

#ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
        register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
        register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
        register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
#endif

#if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
        register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
        register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
        register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
        register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
#endif

#ifdef MONO_ARCH_EMULATE_MUL_DIV
        register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
#endif

#if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
        register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
        register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
#endif

#if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
        register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
#endif

        register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
        register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
        register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
        register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
        register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
        register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
        register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);


#ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
        register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
        register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
#endif

#ifdef MONO_ARCH_EMULATE_CONV_R8_UN
        register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
#endif
#ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
        register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
#endif
#ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
        register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
#endif
#ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
        register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
#endif
#ifdef MONO_ARCH_EMULATE_FREM
#if !defined(__native_client__)
        register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
        register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
#else
        register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
#endif
#endif

#ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
        if (mono_arch_is_soft_float ()) {
                register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
                register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
                register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
                register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
                register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
                register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
                register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
                register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
                register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
                register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
                register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
                register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);

#if SIZEOF_VOID_P == 4
                register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
#endif

                register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
                register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
                register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
                register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
                register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
                register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
                register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
                register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
                register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
                register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);

                register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
                register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
                register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
                register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
                register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);

                register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
                register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
                register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
                register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
        }
#endif
        register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);

#ifdef COMPRESSED_INTERFACE_BITMAP
        register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
#endif

#if SIZEOF_REGISTER == 4
        register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
#else
        register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
#endif

        /* other jit icalls */
        register_icall (ves_icall_mono_delegate_ctor, "ves_icall_mono_delegate_ctor", "void object object ptr", FALSE);
        register_icall (mono_class_static_field_address , "mono_class_static_field_address",
                                 "ptr ptr ptr", FALSE);
        register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
        register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
                "ptr ptr ptr ptr", FALSE);
        register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
        register_icall (ves_icall_mono_ldstr, "ves_icall_mono_ldstr", "object ptr ptr int32", FALSE);
        register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
        register_icall (ves_icall_object_new, "ves_icall_object_new", "object ptr ptr", FALSE);
        register_icall (ves_icall_object_new_specific, "ves_icall_object_new_specific", "object ptr", FALSE);
        register_icall (ves_icall_array_new, "ves_icall_array_new", "object ptr ptr int32", FALSE);
        register_icall (ves_icall_array_new_specific, "ves_icall_array_new_specific", "object ptr int32", FALSE);
        register_icall (ves_icall_runtime_class_init, "ves_icall_runtime_class_init", "void ptr", FALSE);
        register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
        register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
        register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
        register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
        register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
        register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
        register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
        register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
        register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
        register_icall (mono_break, "mono_break", NULL, TRUE);
        register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
        register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
        register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
        register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
        register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
        register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
        register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
        register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
        register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
        register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
        register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);

        register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);

        register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
        register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
        register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
        register_icall (mono_fill_class_rgctx, "mono_fill_class_rgctx", "ptr ptr int", FALSE);
        register_icall (mono_fill_method_rgctx, "mono_fill_method_rgctx", "ptr ptr int", FALSE);

        register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);

        register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
        register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
        register_icall (mono_aot_init_gshared_method_mrgctx, "mono_aot_init_gshared_method_mrgctx", "void ptr int ptr", TRUE);
        register_icall (mono_aot_init_gshared_method_vtable, "mono_aot_init_gshared_method_vtable", "void ptr int ptr", TRUE);

        register_icall_no_wrapper (mono_resolve_iface_call_gsharedvt, "mono_resolve_iface_call_gsharedvt", "ptr object int ptr ptr");
        register_icall_no_wrapper (mono_resolve_vcall_gsharedvt, "mono_resolve_vcall_gsharedvt", "ptr object int ptr ptr");
        register_icall_no_wrapper (mono_resolve_generic_virtual_call, "mono_resolve_generic_virtual_call", "ptr ptr int ptr");
        register_icall_no_wrapper (mono_resolve_generic_virtual_iface_call, "mono_resolve_generic_virtual_iface_call", "ptr ptr int ptr");
        /* This needs a wrapper so it can have a preserveall cconv */
        register_icall (mono_init_vtable_slot, "mono_init_vtable_slot", "ptr ptr int", FALSE);
        register_icall (mono_llvmonly_init_delegate, "mono_llvmonly_init_delegate", "void object", TRUE);
        register_icall (mono_llvmonly_init_delegate_virtual, "mono_llvmonly_init_delegate_virtual", "void object object ptr", TRUE);
        register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
        register_icall (mono_get_method_object, "mono_get_method_object", "object ptr", TRUE);
        register_icall (mono_throw_method_access, "mono_throw_method_access", "void ptr ptr", FALSE);
        register_icall_no_wrapper (mono_dummy_jit_icall, "mono_dummy_jit_icall", "void");

        register_icall_with_wrapper (mono_monitor_enter_internal, "mono_monitor_enter_internal", "void obj");
        register_icall_with_wrapper (mono_monitor_enter_v4_internal, "mono_monitor_enter_v4_internal", "void obj ptr");
        register_icall_no_wrapper (mono_monitor_enter_fast, "mono_monitor_enter_fast", "int obj");
        register_icall_no_wrapper (mono_monitor_enter_v4_fast, "mono_monitor_enter_v4_fast", "int obj ptr");

#ifdef TARGET_IOS
        register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
#endif
        /* Register tls icalls */
        register_icall_no_wrapper (mono_tls_get_thread, "mono_tls_get_thread", "ptr");
        register_icall_no_wrapper (mono_tls_get_jit_tls, "mono_tls_get_jit_tls", "ptr");
        register_icall_no_wrapper (mono_tls_get_domain, "mono_tls_get_domain", "ptr");  
        register_icall_no_wrapper (mono_tls_get_sgen_thread_info, "mono_tls_get_sgen_thread_info", "ptr");
        register_icall_no_wrapper (mono_tls_get_lmf_addr, "mono_tls_get_lmf_addr", "ptr");
        register_icall_no_wrapper (mono_tls_set_thread, "mono_tls_set_thread", "void ptr");
        register_icall_no_wrapper (mono_tls_set_jit_tls, "mono_tls_set_jit_tls", "void ptr");
        register_icall_no_wrapper (mono_tls_set_domain, "mono_tls_set_domain", "void ptr");
        register_icall_no_wrapper (mono_tls_set_sgen_thread_info, "mono_tls_set_sgen_thread_info", "void ptr");
        register_icall_no_wrapper (mono_tls_set_lmf_addr, "mono_tls_set_lmf_addr", "void ptr");
}

MonoJitStats mono_jit_stats = {0};

static void
print_jit_stats (void)
{
        if (mono_jit_stats.enabled) {
                g_print ("Mono Jit statistics\n");
                g_print ("Max code size ratio:    %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
                                 mono_jit_stats.max_ratio_method);
                g_print ("Biggest method:         %ld (%s)\n", mono_jit_stats.biggest_method_size,
                                 mono_jit_stats.biggest_method);

                g_print ("Delegates created:      %ld\n", mono_stats.delegate_creations);
                g_print ("Initialized classes:    %ld\n", mono_stats.initialized_class_count);
                g_print ("Used classes:           %ld\n", mono_stats.used_class_count);
                g_print ("Generic vtables:        %ld\n", mono_stats.generic_vtable_count);
                g_print ("Methods:                %ld\n", mono_stats.method_count);
                g_print ("Static data size:       %ld\n", mono_stats.class_static_data_size);
                g_print ("VTable data size:       %ld\n", mono_stats.class_vtable_size);
                g_print ("Mscorlib mempool size:  %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));

                g_print ("\nInitialized classes:    %ld\n", mono_stats.generic_class_count);
                g_print ("Inflated types:         %ld\n", mono_stats.inflated_type_count);
                g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);

                g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
                g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
                g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
                g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);

                g_print ("IMT tables size:        %ld\n", mono_stats.imt_tables_size);
                g_print ("IMT number of tables:   %ld\n", mono_stats.imt_number_of_tables);
                g_print ("IMT number of methods:  %ld\n", mono_stats.imt_number_of_methods);
                g_print ("IMT used slots:         %ld\n", mono_stats.imt_used_slots);
                g_print ("IMT colliding slots:    %ld\n", mono_stats.imt_slots_with_collisions);
                g_print ("IMT max collisions:     %ld\n", mono_stats.imt_max_collisions_in_slot);
                g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
                g_print ("IMT trampolines size:   %ld\n", mono_stats.imt_trampolines_size);

                g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
                g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
                g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);

                g_free (mono_jit_stats.max_ratio_method);
                mono_jit_stats.max_ratio_method = NULL;
                g_free (mono_jit_stats.biggest_method);
                mono_jit_stats.biggest_method = NULL;
        }
}

void
mini_cleanup (MonoDomain *domain)
{
        if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
                mono_runtime_shutdown_stat_profiler ();

#ifndef DISABLE_COM
        cominterop_release_all_rcws ();
#endif

#ifndef MONO_CROSS_COMPILE
        /*
         * mono_domain_finalize () needs to be called early since it needs the
         * execution engine still fully working (it may invoke managed finalizers).
         */
        mono_domain_finalize (domain, 2000);
#endif

        /* This accesses metadata so needs to be called before runtime shutdown */
        print_jit_stats ();

#ifndef MONO_CROSS_COMPILE
        mono_runtime_cleanup (domain);
#endif

        mono_threadpool_cleanup ();

        mono_profiler_shutdown ();

        free_jit_tls_data ((MonoJitTlsData *)mono_tls_get_jit_tls ());

        mono_icall_cleanup ();

        mono_runtime_cleanup_handlers ();

#ifndef MONO_CROSS_COMPILE
        mono_domain_free (domain, TRUE);
#endif

#ifdef ENABLE_LLVM
        if (mono_use_llvm)
                mono_llvm_cleanup ();
#endif

        mono_aot_cleanup ();

        mono_trampolines_cleanup ();

        mono_unwind_cleanup ();

        mono_code_manager_destroy (global_codeman);
        g_free (vtable_trampolines);

        mini_jit_cleanup ();

        mono_tramp_info_cleanup ();

        mono_arch_cleanup ();

        mono_generic_sharing_cleanup ();

        mono_cleanup ();

        mono_trace_cleanup ();

        mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);

        if (mono_inject_async_exc_method)
                mono_method_desc_free (mono_inject_async_exc_method);

        mono_tls_free_keys ();

        mono_os_mutex_destroy (&jit_mutex);

        mono_code_manager_cleanup ();

#ifndef HOST_WIN32
        mono_w32handle_cleanup ();
#endif
}

void
mono_set_defaults (int verbose_level, guint32 opts)
{
        mini_verbose = verbose_level;
        mono_set_optimizations (opts);
}

void
mono_disable_optimizations (guint32 opts)
{
        default_opt &= ~opts;
}

void
mono_set_optimizations (guint32 opts)
{
        default_opt = opts;
        default_opt_set = TRUE;
#ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
        mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
#else
        if (mono_llvm_only)
                mono_set_generic_sharing_vt_supported (TRUE);
#endif
}

void
mono_set_verbose_level (guint32 level)
{
        mini_verbose = level;
}

/**
 * mono_get_runtime_build_info:
 * The returned string is owned by the caller. The returned string
 * format is <code>VERSION (FULL_VERSION BUILD_DATE)</code> and build date is optional.
 * \returns the runtime version + build date in string format.
 */
char*
mono_get_runtime_build_info (void)
{
        if (mono_build_date)
                return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
        else
                return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
}

static void
mono_precompile_assembly (MonoAssembly *ass, void *user_data)
{
        GHashTable *assemblies = (GHashTable*)user_data;
        MonoImage *image = mono_assembly_get_image (ass);
        MonoMethod *method, *invoke;
        int i, count = 0;

        if (g_hash_table_lookup (assemblies, ass))
                return;

        g_hash_table_insert (assemblies, ass, ass);

        if (mini_verbose > 0)
                printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));

        for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
                MonoError error;

                method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
                if (!method) {
                        mono_error_cleanup (&error); /* FIXME don't swallow the error */
                        continue;
                }
                if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
                        continue;
                if (method->is_generic || mono_class_is_gtd (method->klass))
                        continue;

                count++;
                if (mini_verbose > 1) {
                        char * desc = mono_method_full_name (method, TRUE);
                        g_print ("Compiling %d %s\n", count, desc);
                        g_free (desc);
                }
                mono_compile_method_checked (method, &error);
                if (!is_ok (&error)) {
                        mono_error_cleanup (&error); /* FIXME don't swallow the error */
                        continue;
                }
                if (strcmp (method->name, "Finalize") == 0) {
                        invoke = mono_marshal_get_runtime_invoke (method, FALSE);
                        mono_compile_method_checked (invoke, &error);
                        mono_error_assert_ok (&error);
                }
#ifndef DISABLE_REMOTING
                if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
                        invoke = mono_marshal_get_remoting_invoke_with_check (method);
                        mono_compile_method_checked (invoke, &error);
                        mono_error_assert_ok (&error);
                }
#endif
        }

        /* Load and precompile referenced assemblies as well */
        for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
                mono_assembly_load_reference (image, i);
                if (image->references [i])
                        mono_precompile_assembly (image->references [i], assemblies);
        }
}

void mono_precompile_assemblies ()
{
        GHashTable *assemblies = g_hash_table_new (NULL, NULL);

        mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);

        g_hash_table_destroy (assemblies);
}

/*
 * Used by LLVM.
 * Have to export this for AOT.
 */
void
mono_personality (void)
{
        /* Not used */
        g_assert_not_reached ();
}

// Custom handlers currently only implemented by Windows.
#ifndef HOST_WIN32
gboolean
mono_runtime_install_custom_handlers (const char *handlers)
{
        return FALSE;
}

void
mono_runtime_install_custom_handlers_usage (void)
{
        fprintf (stdout,
                 "Custom Handlers:\n"
                 "   --handlers=HANDLERS            Enable handler support, HANDLERS is a comma\n"
                 "                                  separated list of available handlers to install.\n"
                 "\n"
                 "No handlers supported on current platform.\n");
}
#endif /* HOST_WIN32 */