text: /*
   * mini.c: The new Mono code generator.
   *
   * Authors:
   *   Paolo Molaro (lupus@ximian.com)
   *   Dietmar Maurer (dietmar@ximian.com)
   *
   * Copyright 2002-2003 Ximian, Inc.
   * Copyright 2003-2010 Novell, Inc.
   * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
   */
  
  #define MONO_LLVM_IN_MINI 1
  #include <config.h>
  #include <signal.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
  
  #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/io-layer/io-layer.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-internal.h>
  #include <mono/metadata/threads-types.h>
  #include <mono/metadata/verify.h>
  #include <mono/metadata/verify-internals.h>
  #include <mono/metadata/mempool-internals.h>
  #include <mono/metadata/attach.h>
  #include <mono/metadata/runtime.h>
  #include <mono/utils/mono-math.h>
  #include <mono/utils/mono-compiler.h>
  #include <mono/utils/mono-counters.h>
  #include <mono/utils/mono-logger-internal.h>
  #include <mono/utils/mono-mmap.h>
  #include <mono/utils/mono-tls.h>
  #include <mono/utils/dtrace.h>
  
  #include "mini.h"
  #include "mini-llvm.h"
  #include "tasklets.h"
  #include <string.h>
  #include <ctype.h>
  #include "trace.h"
  #include "version.h"
  
  #include "jit-icalls.h"
  
  #include "debug-mini.h"
  #include "mini-gc.h"
  #include "debugger-agent.h"
  
  static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
  
  
  static guint32 default_opt = 0;
  static gboolean default_opt_set = FALSE;
  
  MonoNativeTlsKey mono_jit_tls_id;
  
  #ifdef MONO_HAVE_FAST_TLS
  MONO_FAST_TLS_DECLARE(mono_jit_tls);
  #endif
  
  #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
  #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
  #endif
  
  MonoTraceSpec *mono_jit_trace_calls = NULL;
  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;
  /* Whenever to use IMT */
  #ifdef MONO_ARCH_HAVE_IMT
  gboolean mono_use_imt = TRUE;
  #else
  gboolean mono_use_imt = FALSE;
  #endif
  MonoMethodDesc *mono_inject_async_exc_method = NULL;
  int mono_inject_async_exc_pos;
  MonoMethodDesc *mono_break_at_bb_method = NULL;
  int mono_break_at_bb_bb_num;
  gboolean mono_do_x86_stack_align = TRUE;
  const char *mono_build_date;
  gboolean mono_do_signal_chaining;
  static gboolean	mono_using_xdebug;
  static 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;
  
  #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
  #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
  static CRITICAL_SECTION jit_mutex;
  
  static MonoCodeManager *global_codeman = NULL;
  
  static GHashTable *jit_icall_name_hash = NULL;
  
  static MonoDebugOptions debug_options;
  
  #ifdef VALGRIND_JIT_REGISTER_MAP
  static int valgrind_register = 0;
  #endif
  
  /*
   * Table written to by the debugger with a 1-based index into the
   * mono_breakpoint_info table, which contains changes made to
   * the JIT instructions by the debugger.
   */
  gssize
  mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
  
  /* Whenever to check for pending exceptions in managed-to-native wrappers */
  gboolean check_for_pending_exc = TRUE;
  
  /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
  gboolean disable_vtypes_in_regs = FALSE;
  
  gboolean mono_dont_free_global_codeman;
  
  gpointer
  mono_realloc_native_code (MonoCompile *cfg)
  {
  #if defined(__default_codegen__)
  	return g_realloc (cfg->native_code, cfg->code_size);
  #elif defined(__native_client_codegen__)
  	guint old_padding;
  	gpointer native_code;
  	guint alignment_check;
  
  	/* Save the old alignment offset so we can re-align after the realloc. */
  	old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
  
  	cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
  										 cfg->code_size + kNaClAlignment );
  
  	/* Align native_code to next nearest kNaClAlignment byte. */
  	native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
  	native_code = (guint)native_code & ~kNaClAlignmentMask;
  
  	/* Shift the data to be 32-byte aligned again. */
  	memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
  
  	alignment_check = (guint)native_code & kNaClAlignmentMask;
  	g_assert (alignment_check == 0);
  	return native_code;
  #else
  	g_assert_not_reached ();
  	return cfg->native_code;
  #endif
  }
  
  #ifdef __native_client_codegen__
  
  /* Prevent instructions from straddling a 32-byte alignment boundary.   */
  /* Instructions longer than 32 bytes must be aligned internally.        */
  /* IN: pcode, instlen                                                   */
  /* OUT: pcode                                                           */
  void mono_nacl_align_inst(guint8 **pcode, int instlen) {
    int space_in_block;
  
    space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
  
    if (G_UNLIKELY (instlen >= kNaClAlignment)) {
      g_assert_not_reached();
    } else if (instlen > space_in_block) {
      *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
    }
  }
  
  /* Move emitted call sequence to the end of a kNaClAlignment-byte block.  */
  /* IN: start    pointer to start of call sequence                         */
  /* IN: pcode    pointer to end of call sequence (current "IP")            */
  /* OUT: start   pointer to the start of the call sequence after padding   */
  /* OUT: pcode   pointer to the end of the call sequence after padding     */
  void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
    const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
    guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
    guint8 *temp;
  
    const size_t length = (size_t)((*pcode)-(*start));
    g_assert(length < MAX_NACL_CALL_LENGTH);
  
    memcpy(copy_of_call, *start, length);
    temp = mono_nacl_pad_call(*start, (guint8)length);
    memcpy(temp, copy_of_call, length);
    (*start) = temp;
    (*pcode) = temp + length;
  }
  
  /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
  /*    code     pointer to buffer for emitting code                          */
  /*    ilength  length of call instruction                                   */
  guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
    int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
    int padding = freeSpaceInBlock - ilength;
  
    if (padding < 0) {
      /* There isn't enough space in this block for the instruction. */
      /* Fill this block and start a new one.                        */
      code = mono_arch_nacl_pad(code, freeSpaceInBlock);
      freeSpaceInBlock = kNaClAlignment;
      padding = freeSpaceInBlock - ilength;
    }
    g_assert(ilength > 0);
    g_assert(padding >= 0);
    g_assert(padding < kNaClAlignment);
    if (0 == padding) return code;
    return mono_arch_nacl_pad(code, padding);
  }
  
  guint8 *mono_nacl_align(guint8 *code) {
    int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
    if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
    return code;
  }
  
  void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
  {
    MonoJumpInfo *patch_info;
    for (patch_info = ji; patch_info; patch_info = patch_info->next) {
      unsigned char *ip = patch_info->ip.i + code;
      ip = mono_arch_nacl_skip_nops(ip);
      patch_info->ip.i = ip - code;
    }
  }
  #endif  /* __native_client_codegen__ */
  
  gboolean
  mono_running_on_valgrind (void)
  {
  	if (RUNNING_ON_VALGRIND){
  #ifdef VALGRIND_JIT_REGISTER_MAP
  		valgrind_register = TRUE;
  #endif
  		return TRUE;
  	} else
  		return FALSE;
  }
  
  typedef struct {
  	MonoExceptionClause *clause;
  	MonoBasicBlock *basic_block;
  	int start_offset;
  } TryBlockHole;
  
  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;
  	char *method;
  	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 (domain, ip);
  	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;
  	}
  	method = mono_method_full_name (ji->method, TRUE);
  	/* FIXME: unused ? */
  	location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
  
  	res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", 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);
  
  	return res;
  }
  
  /** 
   * mono_pmip:
   * @ip: an instruction pointer address
   *
   * This method is used from a debugger to get the name of the
   * method at address @ip.   This routine is typically invoked from
   * a debugger like this:
   *
   * (gdb) print mono_pmip ($pc)
   *
   * Returns: the name of the method at address @ip.
   */
  G_GNUC_UNUSED char *
  mono_pmip (void *ip)
  {
  	return get_method_from_ip (ip);
  }
  
  /** 
   * mono_print_method_from_ip
   * @ip: an instruction pointer address
   *
   * This method is used from a debugger to get the name of the
   * method at address @ip.
   *
   * This prints the name of the method at address @ip in the standard
   * output.  Unlike mono_pmip which returns a string, this routine
   * prints the value on the standard output. 
   */
  #ifdef __GNUC__
  /* Prevent the linker from optimizing this away in embedding setups to help debugging */
   __attribute__((used))
  #endif
  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;
  	
  	ji = mini_jit_info_table_find (domain, ip, &target_domain);
  	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);
  		}
  		else
  			g_print ("No method at %p\n", ip);
  		fflush (stdout);
  		return;
  	}
  	method = mono_method_full_name (ji->method, TRUE);
  	source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
  
  	g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), 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)
  {
  	if (!caller || !callee)
  		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;
  
  	if ((caller->method->klass == mono_defaults.appdomain_class) &&
  		(strstr (caller->method->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 with --aot-only.\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;
  	}
  }
  
  #if defined(__native_client_codegen__) && defined(__native_client__)
  /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
   * which we are generating code, return a pointer to the destination in the
   * dynamic code segment into which the code will be copied when
   * mono_global_codeman_commit is called.
   * LOCKING: Acquires the jit lock.
   */
  void*
  nacl_global_codeman_get_dest (void *data)
  {
  	void *dest;
  	mono_jit_lock ();
  	dest = nacl_code_manager_get_code_dest (global_codeman, data);
  	mono_jit_unlock ();
  	return dest;
  }
  
  void
  mono_global_codeman_commit (void *data, int size, int newsize)
  {
  	mono_jit_lock ();
  	mono_code_manager_commit (global_codeman, data, size, newsize);
  	mono_jit_unlock ();
  }
  
  /* 
   * Convenience function which calls mono_global_codeman_commit to validate and
   * copy the code. The caller sets *buf_base and *buf_size to the start and size
   * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
   * the byte after the last instruction byte. On return, *buf_base will point to
   * the start of the copied in the code segment, and *code_end will point after
   * the end of the copied code.
   */
  void
  nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
  {
  	guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
  	mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
  	*code_end = tmp + (*code_end - *buf_base);
  	*buf_base = tmp;
  }
  #else
  /* no-op versions of Native Client functions */
  void*
  nacl_global_codeman_get_dest (void *data)
  {
  	return data;
  }
  
  void
  mono_global_codeman_commit (void *data, int size, int newsize)
  {
  }
  
  void
  nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
  {
  }
  
  #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;
  }
  
  /**
   * mono_emit_unwind_op:
   *
   *   Add an unwind op with the given parameters for the list of unwind ops stored in
   * cfg->unwind_ops.
   */
  void
  mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
  {
  	MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
  
  	op->op = tag;
  	op->reg = reg;
  	op->val = val;
  	op->when = when;
  	
  	cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
  }
  
  MonoJumpInfoToken *
  mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
  {
  	MonoJumpInfoToken *res = 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 NAME, 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 = (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)
  {
  	GSList *l;
  
  	g_free (info->name);
  
  	// FIXME: ji
  	for (l = info->unwind_ops; l; l = l->next)
  		g_free (l->data);
  	g_slist_free (info->unwind_ops);
  	g_free (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;
  	count ++;
  
  	if (!getenv ("COUNT"))
  		return TRUE;
  
  	if (count == atoi (getenv ("COUNT"))) {
  		break_count ();
  	}
  
  	if (count > atoi (getenv ("COUNT"))) {
  		return FALSE;
  	}
  
  	return TRUE;
  }
  
  #define MONO_INIT_VARINFO(vi,id) do { \
  	(vi)->range.first_use.pos.bid = 0xffff; \
  	(vi)->reg = -1; \
          (vi)->idx = (id); \
  } while (0)
  
  /**
   * mono_unlink_bblock:
   *
   *   Unlink two basic blocks.
   */
  void
  mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
  {
  	int i, pos;
  	gboolean found;
  
  	found = FALSE;
  	for (i = 0; i < from->out_count; ++i) {
  		if (to == from->out_bb [i]) {
  			found = TRUE;
  			break;
  		}
  	}
  	if (found) {
  		pos = 0;
  		for (i = 0; i < from->out_count; ++i) {
  			if (from->out_bb [i] != to)
  				from->out_bb [pos ++] = from->out_bb [i];
  		}
  		g_assert (pos == from->out_count - 1);
  		from->out_count--;
  	}
  
  	found = FALSE;
  	for (i = 0; i < to->in_count; ++i) {
  		if (from == to->in_bb [i]) {
  			found = TRUE;
  			break;
  		}
  	}
  	if (found) {
  		pos = 0;
  		for (i = 0; i < to->in_count; ++i) {
  			if (to->in_bb [i] != from)
  				to->in_bb [pos ++] = to->in_bb [i];
  		}
  		g_assert (pos == to->in_count - 1);
  		to->in_count--;
  	}
  }
  
  /*
   * mono_bblocks_linked:
   *
   *   Return whenever BB1 and BB2 are linked in the CFG.
   */
  gboolean
  mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
  {
  	int i;
  
  	for (i = 0; i < bb1->out_count; ++i) {
  		if (bb1->out_bb [i] == bb2)
  			return TRUE;
  	}
  
  	return FALSE;
  }
  
  static int
  mono_find_block_region_notry (MonoCompile *cfg, int offset)
  {
  	MonoMethodHeader *header = cfg->header;
  	MonoExceptionClause *clause;
  	int i;
  
  	for (i = 0; i < header->num_clauses; ++i) {
  		clause = &header->clauses [i];
  		if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
  		    (offset < (clause->handler_offset)))
  			return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
  			   
  		if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
  			if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
  				return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
  			else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
  				return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
  			else
  				return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
  		}
  	}
  
  	return -1;
  }
  
  /*
   * mono_get_block_region_notry:
   *
   *   Return the region corresponding to REGION, ignoring try clauses nested inside
   * finally clauses.
   */
  int
  mono_get_block_region_notry (MonoCompile *cfg, int region)
  {
  	if ((region & (0xf << 4)) == MONO_REGION_TRY) {
  		MonoMethodHeader *header = cfg->header;
  		
  		/*
  		 * This can happen if a try clause is nested inside a finally clause.
  		 */
  		int clause_index = (region >> 8) - 1;
  		g_assert (clause_index >= 0 && clause_index < header->num_clauses);
  		
  		region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
  	}
  
  	return region;
  }
  
  MonoInst *
  mono_find_spvar_for_region (MonoCompile *cfg, int region)
  {
  	region = mono_get_block_region_notry (cfg, region);
  
  	return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
  }
  
  static void
  df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
  {
  	int i;
  
  	array [*dfn] = start;
  	/* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
  	for (i = 0; i < start->out_count; ++i) {
  		if (start->out_bb [i]->dfn)
  			continue;
  		(*dfn)++;
  		start->out_bb [i]->dfn = *dfn;
  		start->out_bb [i]->df_parent = start;
  		array [*dfn] = start->out_bb [i];
  		df_visit (start->out_bb [i], dfn, array);
  	}
  }
  
  guint32
  mono_reverse_branch_op (guint32 opcode)
  {
  	static const int reverse_map [] = {
  		CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
  		CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
  	};
  	static const int reverse_fmap [] = {
  		OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
  		OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
  	};
  	static const int reverse_lmap [] = {
  		OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
  		OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
  	};
  	static const int reverse_imap [] = {
  		OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
  		OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
  	};
  				
  	if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
  		opcode = reverse_map [opcode - CEE_BEQ];
  	} else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
  		opcode = reverse_fmap [opcode - OP_FBEQ];
  	} else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
  		opcode = reverse_lmap [opcode - OP_LBEQ];
  	} else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
  		opcode = reverse_imap [opcode - OP_IBEQ];
  	} else
  		g_assert_not_reached ();
  
  	return opcode;
  }
  
  guint
  mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
  {
  	if (type->byref)
  		return OP_STORE_MEMBASE_REG;
  
  handle_enum:
  	switch (type->type) {
  	case MONO_TYPE_I1:
  	case MONO_TYPE_U1:
  	case MONO_TYPE_BOOLEAN:
  		return OP_STOREI1_MEMBASE_REG;
  	case MONO_TYPE_I2:
  	case MONO_TYPE_U2:
  	case MONO_TYPE_CHAR:
  		return OP_STOREI2_MEMBASE_REG;
  	case MONO_TYPE_I4:
  	case MONO_TYPE_U4:
  		return OP_STOREI4_MEMBASE_REG;
  	case MONO_TYPE_I:
  	case MONO_TYPE_U:
  	case MONO_TYPE_PTR:
  	case MONO_TYPE_FNPTR:
  		return OP_STORE_MEMBASE_REG;
  	case MONO_TYPE_CLASS:
  	case MONO_TYPE_STRING:
  	case MONO_TYPE_OBJECT:
  	case MONO_TYPE_SZARRAY:
  	case MONO_TYPE_ARRAY:    
  		return OP_STORE_MEMBASE_REG;
  	case MONO_TYPE_I8:
  	case MONO_TYPE_U8:
  		return OP_STOREI8_MEMBASE_REG;
  	case MONO_TYPE_R4:
  		return OP_STORER4_MEMBASE_REG;
  	case MONO_TYPE_R8:
  		return OP_STORER8_MEMBASE_REG;
  	case MONO_TYPE_VALUETYPE:
  		if (type->data.klass->enumtype) {
  			type = mono_class_enum_basetype (type->data.klass);
  			goto handle_enum;
  		}
  		if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
  			return OP_STOREX_MEMBASE;
  		return OP_STOREV_MEMBASE;
  	case MONO_TYPE_TYPEDBYREF:
  		return OP_STOREV_MEMBASE;
  	case MONO_TYPE_GENERICINST:
  		type = &type->data.generic_class->container_class->byval_arg;
  		goto handle_enum;
  	case MONO_TYPE_VAR:
  	case MONO_TYPE_MVAR:
  		/* FIXME: all the arguments must be references for now,
  		 * later look inside cfg and see if the arg num is
  		 * really a reference
  		 */
  		g_assert (cfg->generic_sharing_context);
  		return OP_STORE_MEMBASE_REG;
  	default:
  		g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
  	}
  	return -1;
  }
  
  guint
  mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
  {
  	if (type->byref)
  		return OP_LOAD_MEMBASE;
  
  	type = mono_type_get_underlying_type (type);
  
  	switch (type->type) {
  	case MONO_TYPE_I1:
  		return OP_LOADI1_MEMBASE;
  	case MONO_TYPE_U1:
  	case MONO_TYPE_BOOLEAN:
  		return OP_LOADU1_MEMBASE;
  	case MONO_TYPE_I2:
  		return OP_LOADI2_MEMBASE;
  	case MONO_TYPE_U2:
  	case MONO_TYPE_CHAR:
  		return OP_LOADU2_MEMBASE;
  	case MONO_TYPE_I4:
  		return OP_LOADI4_MEMBASE;
  	case MONO_TYPE_U4:
  		return OP_LOADU4_MEMBASE;
  	case MONO_TYPE_I:
  	case MONO_TYPE_U:
  	case MONO_TYPE_PTR:
  	case MONO_TYPE_FNPTR:
  		return OP_LOAD_MEMBASE;
  	case MONO_TYPE_CLASS:
  	case MONO_TYPE_STRING:
  	case MONO_TYPE_OBJECT:
  	case MONO_TYPE_SZARRAY:
  	case MONO_TYPE_ARRAY:    
  		return OP_LOAD_MEMBASE;
  	case MONO_TYPE_I8:
  	case MONO_TYPE_U8:
  		return OP_LOADI8_MEMBASE;
  	case MONO_TYPE_R4:
  		return OP_LOADR4_MEMBASE;
  	case MONO_TYPE_R8:
  		return OP_LOADR8_MEMBASE;
  	case MONO_TYPE_VALUETYPE:
  		if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
  			return OP_LOADX_MEMBASE;
  	case MONO_TYPE_TYPEDBYREF:
  		return OP_LOADV_MEMBASE;
  	case MONO_TYPE_GENERICINST:
  		if (mono_type_generic_inst_is_valuetype (type))
  			return OP_LOADV_MEMBASE;
  		else
  			return OP_LOAD_MEMBASE;
  		break;
  	case MONO_TYPE_VAR:
  	case MONO_TYPE_MVAR:
  		/* FIXME: all the arguments must be references for now,
  		 * later look inside cfg and see if the arg num is
  		 * really a reference
  		 */
  		g_assert (cfg->generic_sharing_context);
  		return OP_LOAD_MEMBASE;
  	default:
  		g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
  	}
  	return -1;
  }
  
  static guint
  mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
  {
  	if (cfg->generic_sharing_context && !type->byref) {
  		/* FIXME: all the arguments must be references for now,
  		 * later look inside cfg and see if the arg num is
  		 * really a reference
  		 */
  		if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
  			return CEE_LDIND_REF;
  	}
  	return mono_type_to_ldind (type);
  }
  
  guint
  mini_type_to_stind (MonoCompile* cfg, MonoType *type)
  {
  	if (cfg->generic_sharing_context && !type->byref) {
  		/* FIXME: all the arguments must be references for now,
  		 * later look inside cfg and see if the arg num is
  		 * really a reference
  		 */
  		if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
  			return CEE_STIND_REF;
  	}
  	return mono_type_to_stind (type);
  }
  
  int
  mono_op_imm_to_op (int opcode)
  {
  	switch (opcode) {
  	case OP_ADD_IMM:
  #if SIZEOF_REGISTER == 4
  		return OP_IADD;
  #else
  		return OP_LADD;
  #endif
  	case OP_IADD_IMM:
  		return OP_IADD;
  	case OP_LADD_IMM:
  		return OP_LADD;
  	case OP_ISUB_IMM:
  		return OP_ISUB;
  	case OP_LSUB_IMM:
  		return OP_LSUB;
  	case OP_IMUL_IMM:
  		return OP_IMUL;
  	case OP_AND_IMM:
  #if SIZEOF_REGISTER == 4
  		return OP_IAND;
  #else
  		return OP_LAND;
  #endif
  	case OP_OR_IMM:
  #if SIZEOF_REGISTER == 4
  		return OP_IOR;
  #else
  		return OP_LOR;
  #endif
  	case OP_XOR_IMM:
  #if SIZEOF_REGISTER == 4
  		return OP_IXOR;
  #else
  		return OP_LXOR;
  #endif
  	case OP_IAND_IMM:
  		return OP_IAND;
  	case OP_LAND_IMM:
  		return OP_LAND;
  	case OP_IOR_IMM:
  		return OP_IOR;
  	case OP_LOR_IMM:
  		return OP_LOR;
  	case OP_IXOR_IMM:
  		return OP_IXOR;
  	case OP_LXOR_IMM:
  		return OP_LXOR;
  	case OP_ISHL_IMM:
  		return OP_ISHL;
  	case OP_LSHL_IMM:
  		return OP_LSHL;
  	case OP_ISHR_IMM:
  		return OP_ISHR;
  	case OP_LSHR_IMM:
  		return OP_LSHR;
  	case OP_ISHR_UN_IMM:
  		return OP_ISHR_UN;
  	case OP_LSHR_UN_IMM:
  		return OP_LSHR_UN;
  	case OP_IDIV_IMM:
  		return OP_IDIV;
  	case OP_IDIV_UN_IMM:
  		return OP_IDIV_UN;
  	case OP_IREM_UN_IMM:
  		return OP_IREM_UN;
  	case OP_IREM_IMM:
  		return OP_IREM;
  	case OP_DIV_IMM:
  #if SIZEOF_REGISTER == 4
  		return OP_IDIV;
  #else
  		return OP_LDIV;
  #endif
  	case OP_REM_IMM:
  #if SIZEOF_REGISTER == 4
  		return OP_IREM;
  #else
  		return OP_LREM;
  #endif
  	case OP_ADDCC_IMM:
  		return OP_ADDCC;
  	case OP_ADC_IMM:
  		return OP_ADC;
  	case OP_SUBCC_IMM:
  		return OP_SUBCC;
  	case OP_SBB_IMM:
  		return OP_SBB;
  	case OP_IADC_IMM:
  		return OP_IADC;
  	case OP_ISBB_IMM:
  		return OP_ISBB;
  	case OP_COMPARE_IMM:
  		return OP_COMPARE;
  	case OP_ICOMPARE_IMM:
  		return OP_ICOMPARE;
  	case OP_LOCALLOC_IMM:
  		return OP_LOCALLOC;
  	default:
  		printf ("%s\n", mono_inst_name (opcode));
  		g_assert_not_reached ();
  		return -1;
  	}
  }
  
  /*
   * mono_decompose_op_imm:
   *
   *   Replace the OP_.._IMM INS with its non IMM variant.
   */
  void
  mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
  {
  	MonoInst *temp;
  
  	MONO_INST_NEW (cfg, temp, OP_ICONST);
  	temp->inst_c0 = ins->inst_imm;
  	temp->dreg = mono_alloc_ireg (cfg);
  	mono_bblock_insert_before_ins (bb, ins, temp);
  	ins->opcode = mono_op_imm_to_op (ins->opcode);
  	if (ins->opcode == OP_LOCALLOC)
  		ins->sreg1 = temp->dreg;
  	else
  		ins->sreg2 = temp->dreg;
  
  	bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
  }
  
  static void
  set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
  {
  	if (vreg >= cfg->vreg_to_inst_len) {
  		MonoInst **tmp = cfg->vreg_to_inst;
  		int size = cfg->vreg_to_inst_len;
  
  		while (vreg >= cfg->vreg_to_inst_len)
  			cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
  		cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
  		if (size)
  			memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
  	}
  	cfg->vreg_to_inst [vreg] = inst;
  }
  
  #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
  #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
  
  #ifdef DISABLE_JIT
  
  MonoInst*
  mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
  {
  	return NULL;
  }
  
  #else
  
  MonoInst*
  mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
  {
  	MonoInst *inst;
  	int num = cfg->num_varinfo;
  	gboolean regpair;
  
  	if ((num + 1) >= cfg->varinfo_count) {
  		int orig_count = cfg->varinfo_count;
  		cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
  		cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
  		cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
  		memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
  	}
  
  	cfg->stat_allocate_var++;
  
  	MONO_INST_NEW (cfg, inst, opcode);
  	inst->inst_c0 = num;
  	inst->inst_vtype = type;
  	inst->klass = mono_class_from_mono_type (type);
  	type_to_eval_stack_type (cfg, type, inst);
  	/* if set to 1 the variable is native */
  	inst->backend.is_pinvoke = 0;
  	inst->dreg = vreg;
  
  	if (cfg->compute_gc_maps) {
  		if (type->byref) {
  			mono_mark_vreg_as_mp (cfg, vreg);
  		} else {
  			MonoType *t = mini_type_get_underlying_type (NULL, type);
  			if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
  				inst->flags |= MONO_INST_GC_TRACK;
  				mono_mark_vreg_as_ref (cfg, vreg);
  			}
  		}
  	}
  	
  	cfg->varinfo [num] = inst;
  
  	MONO_INIT_VARINFO (&cfg->vars [num], num);
  	MONO_VARINFO (cfg, num)->vreg = vreg;
  
  	if (vreg != -1)
  		set_vreg_to_inst (cfg, vreg, inst);
  
  #if SIZEOF_REGISTER == 4
  #ifdef MONO_ARCH_SOFT_FLOAT
  	regpair = mono_type_is_long (type) || mono_type_is_float (type);
  #else
  	regpair = mono_type_is_long (type);
  #endif
  #else
  	regpair = FALSE;
  #endif
  
  	if (regpair) {
  		MonoInst *tree;
  
  		/* 
  		 * These two cannot be allocated using create_var_for_vreg since that would
  		 * put it into the cfg->varinfo array, confusing many parts of the JIT.
  		 */
  
  		/* 
  		 * Set flags to VOLATILE so SSA skips it.
  		 */
  
  		if (cfg->verbose_level >= 4) {
  			printf ("  Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
  		}
  
  #ifdef MONO_ARCH_SOFT_FLOAT
  		if (cfg->opt & MONO_OPT_SSA) {
  			if (mono_type_is_float (type))
  				inst->flags = MONO_INST_VOLATILE;
  		}
  #endif
  
  		/* Allocate a dummy MonoInst for the first vreg */
  		MONO_INST_NEW (cfg, tree, OP_LOCAL);
  		tree->dreg = inst->dreg + 1;
  		if (cfg->opt & MONO_OPT_SSA)
  			tree->flags = MONO_INST_VOLATILE;
  		tree->inst_c0 = num;
  		tree->type = STACK_I4;
  		tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
  		tree->klass = mono_class_from_mono_type (tree->inst_vtype);
  
  		set_vreg_to_inst (cfg, inst->dreg + 1, tree);
  
  		/* Allocate a dummy MonoInst for the second vreg */
  		MONO_INST_NEW (cfg, tree, OP_LOCAL);
  		tree->dreg = inst->dreg + 2;
  		if (cfg->opt & MONO_OPT_SSA)
  			tree->flags = MONO_INST_VOLATILE;
  		tree->inst_c0 = num;
  		tree->type = STACK_I4;
  		tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
  		tree->klass = mono_class_from_mono_type (tree->inst_vtype);
  
  		set_vreg_to_inst (cfg, inst->dreg + 2, tree);
  	}
  
  	cfg->num_varinfo++;
  	if (cfg->verbose_level > 2)
  		g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
  	return inst;
  }
  
  MonoInst*
  mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
  {
  	int dreg;
  
  	if (mono_type_is_long (type))
  		dreg = mono_alloc_dreg (cfg, STACK_I8);
  #ifdef MONO_ARCH_SOFT_FLOAT
  	else if (mono_type_is_float (type))
  		dreg = mono_alloc_dreg (cfg, STACK_R8);
  #endif
  	else
  		/* All the others are unified */
  		dreg = mono_alloc_preg (cfg);
  
  	return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
  }
  
  /*
   * Transform a MonoInst into a load from the variable of index var_index.
   */
  void
  mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
  	memset (dest, 0, sizeof (MonoInst));
  	dest->inst_i0 = cfg->varinfo [var_index];
  	dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
  	type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
  	dest->klass = dest->inst_i0->klass;
  }
  
  #endif
  
  void
  mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
  {
  	if (vreg >= cfg->vreg_is_ref_len) {
  		gboolean *tmp = cfg->vreg_is_ref;
  		int size = cfg->vreg_is_ref_len;
  
  		while (vreg >= cfg->vreg_is_ref_len)
  			cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
  		cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
  		if (size)
  			memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
  	}
  	cfg->vreg_is_ref [vreg] = TRUE;
  }	
  
  void
  mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
  {
  	if (vreg >= cfg->vreg_is_mp_len) {
  		gboolean *tmp = cfg->vreg_is_mp;
  		int size = cfg->vreg_is_mp_len;
  
  		while (vreg >= cfg->vreg_is_mp_len)
  			cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
  		cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
  		if (size)
  			memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
  	}
  	cfg->vreg_is_mp [vreg] = TRUE;
  }	
  
  static MonoType*
  type_from_stack_type (MonoInst *ins) {
  	switch (ins->type) {
  	case STACK_I4: return &mono_defaults.int32_class->byval_arg;
  	case STACK_I8: return &mono_defaults.int64_class->byval_arg;
  	case STACK_PTR: return &mono_defaults.int_class->byval_arg;
  	case STACK_R8: return &mono_defaults.double_class->byval_arg;
  	case STACK_MP:
  		/* 
  		 * this if used to be commented without any specific reason, but
  		 * it breaks #80235 when commented
  		 */
  		if (ins->klass)
  			return &ins->klass->this_arg;
  		else
  			return &mono_defaults.object_class->this_arg;
  	case STACK_OBJ:
  		/* ins->klass may not be set for ldnull.
  		 * Also, if we have a boxed valuetype, we want an object lass,
  		 * not the valuetype class
  		 */
  		if (ins->klass && !ins->klass->valuetype)
  			return &ins->klass->byval_arg;
  		return &mono_defaults.object_class->byval_arg;
  	case STACK_VTYPE: return &ins->klass->byval_arg;
  	default:
  		g_error ("stack type %d to montype not handled\n", ins->type);
  	}
  	return NULL;
  }
  
  MonoType*
  mono_type_from_stack_type (MonoInst *ins) {
  	return type_from_stack_type (ins);
  }
  
  /*
   * mono_add_ins_to_end:
   *
   *   Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
   */
  void
  mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
  {
  	int opcode;
  
  	if (!bb->code) {
  		MONO_ADD_INS (bb, inst);
  		return;
  	}
  
  	switch (bb->last_ins->opcode) {
  	case OP_BR:
  	case OP_BR_REG:
  	case CEE_BEQ:
  	case CEE_BGE:
  	case CEE_BGT:
  	case CEE_BLE:
  	case CEE_BLT:
  	case CEE_BNE_UN:
  	case CEE_BGE_UN:
  	case CEE_BGT_UN:
  	case CEE_BLE_UN:
  	case CEE_BLT_UN:
  	case OP_SWITCH:
  		mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
  		break;
  	default:
  		if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
  			/* Need to insert the ins before the compare */
  			if (bb->code == bb->last_ins) {
  				mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
  				return;
  			}
  
  			if (bb->code->next == bb->last_ins) {
  				/* Only two instructions */
  				opcode = bb->code->opcode;
  
  				if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
  					/* NEW IR */
  					mono_bblock_insert_before_ins (bb, bb->code, inst);
  				} else {
  					mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
  				}
  			} else {
  				opcode = bb->last_ins->prev->opcode;
  
  				if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
  					/* NEW IR */
  					mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
  				} else {
  					mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
  				}					
  			}
  		}
  		else
  			MONO_ADD_INS (bb, inst);
  		break;
  	}
  }
  
  void
  mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
  {
  	MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
  	MonoJumpInfoBBTable *table;
  
  	table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
  	table->table = bbs;
  	table->table_size = num_blocks;
  	
  	ji->ip.label = label;
  	ji->type = MONO_PATCH_INFO_SWITCH;
  	ji->data.table = table;
  	ji->next = cfg->patch_info;
  	cfg->patch_info = ji;
  }
  
  static MonoMethodSignature *
  mono_get_array_new_va_signature (int arity)
  {
  	static GHashTable *sighash = NULL;
  	MonoMethodSignature *res;
  	int i;
  
  	mono_jit_lock ();
  	if (!sighash) {
  		sighash = g_hash_table_new (NULL, NULL);
  	}
  	else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
  		mono_jit_unlock ();
  		return res;
  	}
  
  	res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
  
  	res->pinvoke = 1;
  #ifdef MONO_ARCH_VARARG_ICALLS
  	/* Only set this only some archs since not all backends can handle varargs+pinvoke */
  	res->call_convention = MONO_CALL_VARARG;
  #endif
  
  #ifdef TARGET_WIN32
  	res->call_convention = MONO_CALL_C;
  #endif
  
  	res->params [0] = &mono_defaults.int_class->byval_arg;	
  	for (i = 0; i < arity; i++)
  		res->params [i + 1] = &mono_defaults.int_class->byval_arg;
  
  	res->ret = &mono_defaults.object_class->byval_arg;
  
  	g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
  	mono_jit_unlock ();
  
  	return res;
  }
  
  MonoJitICallInfo *
  mono_get_array_new_va_icall (int rank)
  {
  	MonoMethodSignature *esig;
  	char icall_name [256];
  	char *name;
  	MonoJitICallInfo *info;
  
  	/* Need to register the icall so it gets an icall wrapper */
  	sprintf (icall_name, "ves_array_new_va_%d", rank);
  
  	mono_jit_lock ();
  	info = mono_find_jit_icall_by_name (icall_name);
  	if (info == NULL) {
  		esig = mono_get_array_new_va_signature (rank);
  		name = g_strdup (icall_name);
  		info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
  
  		g_hash_table_insert (jit_icall_name_hash, name, name);
  	}
  	mono_jit_unlock ();
  
  	return info;
  }
  
  gboolean
  mini_class_is_system_array (MonoClass *klass)
  {
  	if (klass->parent == mono_defaults.array_class)
  		return TRUE;
  	else
  		return FALSE;
  }
  
  gboolean
  mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
  {
  	MonoAssembly *assembly = method->klass->image->assembly;
  	if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
  		return FALSE;
  	if (assembly->in_gac || assembly->image == mono_defaults.corlib)
  		return FALSE;
  	if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
  		return FALSE;
  	return mono_assembly_has_skip_verification (assembly);
  }
  
  /*
   * mini_method_verify:
   * 
   * Verify the method using the new verfier.
   * 
   * Returns true if the method is invalid. 
   */
  static gboolean
  mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
  {
  	GSList *tmp, *res;
  	gboolean is_fulltrust;
  	MonoLoaderError *error;
  
  	if (method->verification_success)
  		return FALSE;
  
  	if (!mono_verifier_is_enabled_for_method (method))
  		return FALSE;
  
  	/*skip verification implies the assembly must be */
  	is_fulltrust = mono_verifier_is_method_full_trust (method) ||  mini_assembly_can_skip_verification (cfg->domain, method);
  
  	res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
  
  	if ((error = mono_loader_get_last_error ())) {
  		if (fail_compile)
  			cfg->exception_type = error->exception_type;
  		else
  			mono_loader_clear_error ();
  		if (res)
  			mono_free_verify_list (res);
  		return TRUE;
  	}
  
  	if (res) { 
  		for (tmp = res; tmp; tmp = tmp->next) {
  			MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
  			if (info->info.status == MONO_VERIFY_ERROR) {
  				if (fail_compile) {
  				char *method_name = mono_method_full_name (method, TRUE);
  					cfg->exception_type = info->exception_type;
  					cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
  					g_free (method_name);
  				}
  				mono_free_verify_list (res);
  				return TRUE;
  			}
  			if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
  				if (fail_compile) {
  					char *method_name = mono_method_full_name (method, TRUE);
  					cfg->exception_type = info->exception_type;
  					cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
  					g_free (method_name);
  				}
  				mono_free_verify_list (res);
  				return TRUE;
  			}
  		}
  		mono_free_verify_list (res);
  	}
  	method->verification_success = 1;
  	return FALSE;
  }
  
  /*Returns true if something went wrong*/
  gboolean
  mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
  {
  	MonoMethod *method_definition = method;
  	gboolean dont_verify = method->klass->image->assembly->corlib_internal;
  
  	while (method_definition->is_inflated) {
  		MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
  		method_definition = imethod->declaring;
  	}
  
  	return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
  }
  
  static gconstpointer
  mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
  {
  	char *name;
  	MonoMethod *wrapper;
  	gconstpointer trampoline;
  	MonoDomain *domain = mono_get_root_domain ();
  	
  	if (callinfo->wrapper) {
  		return callinfo->wrapper;
  	}
  
  	if (callinfo->trampoline)
  		return callinfo->trampoline;
  
  	/* 
  	 * We use the lock on the root domain instead of the JIT lock to protect 
  	 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
  	 */
  	mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
  	mono_domain_lock (domain);
  
  	if (callinfo->trampoline) {
  		mono_domain_unlock (domain);
  		mono_loader_unlock ();
  		return callinfo->trampoline;
  	}
  
  	name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
  	wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
  	g_free (name);
  
  	if (do_compile)
  		trampoline = mono_compile_method (wrapper);
  	else
  		trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
  	mono_register_jit_icall_wrapper (callinfo, trampoline);
  
  	callinfo->trampoline = trampoline;
  
  	mono_domain_unlock (domain);
  	mono_loader_unlock ();
  	
  	return callinfo->trampoline;
  }
  
  gconstpointer
  mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
  {
  	return mono_icall_get_wrapper_full (callinfo, FALSE);
  }
  
  static void
  mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
  {
  	if (!domain_jit_info (domain)->dynamic_code_hash)
  		domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
  	g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
  }
  
  static MonoJitDynamicMethodInfo*
  mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
  {
  	MonoJitDynamicMethodInfo *res;
  
  	if (domain_jit_info (domain)->dynamic_code_hash)
  		res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
  	else
  		res = NULL;
  	return res;
  }
  
  typedef struct {
  	MonoClass *vtype;
  	GList *active, *inactive;
  	GSList *slots;
  } StackSlotInfo;
  
  static gint 
  compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
  {
  	MonoMethodVar *v1 = (MonoMethodVar*)a;
  	MonoMethodVar *v2 = (MonoMethodVar*)b;
  
  	if (v1 == v2)
  		return 0;
  	else if (v1->interval->range && v2->interval->range)
  		return v1->interval->range->from - v2->interval->range->from;
  	else if (v1->interval->range)
  		return -1;
  	else
  		return 1;
  }
  
  #ifndef DISABLE_JIT
  
  #if 0
  #define LSCAN_DEBUG(a) do { a; } while (0)
  #else
  #define LSCAN_DEBUG(a)
  #endif
  
  static gint32*
  mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
  {
  	int i, slot, offset, size;
  	guint32 align;
  	MonoMethodVar *vmv;
  	MonoInst *inst;
  	gint32 *offsets;
  	GList *vars = NULL, *l, *unhandled;
  	StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
  	MonoType *t;
  	int nvtypes;
  	gboolean reuse_slot;
  
  	LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
  
  	scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
  	vtype_stack_slots = NULL;
  	nvtypes = 0;
  
  	offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
  	for (i = 0; i < cfg->num_varinfo; ++i)
  		offsets [i] = -1;
  
  	for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
  		inst = cfg->varinfo [i];
  		vmv = MONO_VARINFO (cfg, i);
  
  		if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
  			continue;
  
  		vars = g_list_prepend (vars, vmv);
  	}
  
  	vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
  
  	/* Sanity check */
  	/*
  	i = 0;
  	for (unhandled = vars; unhandled; unhandled = unhandled->next) {
  		MonoMethodVar *current = unhandled->data;
  
  		if (current->interval->range) {
  			g_assert (current->interval->range->from >= i);
  			i = current->interval->range->from;
  		}
  	}
  	*/
  
  	offset = 0;
  	*stack_align = 0;
  	for (unhandled = vars; unhandled; unhandled = unhandled->next) {
  		MonoMethodVar *current = unhandled->data;
  
  		vmv = current;
  		inst = cfg->varinfo [vmv->idx];
  
  		/* inst->backend.is_pinvoke indicates native sized value types, this is used by the
  		* pinvoke wrappers when they call functions returning structures */
  		if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
  			size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
  		}
  		else {
  			int ialign;
  
  			size = mono_type_size (inst->inst_vtype, &ialign);
  			align = ialign;
  
  			if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
  				align = 16;
  		}
  
  		reuse_slot = TRUE;
  		if (cfg->disable_reuse_stack_slots)
  			reuse_slot = FALSE;
  
  		t = mono_type_get_underlying_type (inst->inst_vtype);
  		switch (t->type) {
  		case MONO_TYPE_GENERICINST:
  			if (!mono_type_generic_inst_is_valuetype (t)) {
  				slot_info = &scalar_stack_slots [t->type];
  				break;
  			}
  			/* Fall through */
  		case MONO_TYPE_VALUETYPE:
  			if (!vtype_stack_slots)
  				vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
  			for (i = 0; i < nvtypes; ++i)
  				if (t->data.klass == vtype_stack_slots [i].vtype)
  					break;
  			if (i < nvtypes)
  				slot_info = &vtype_stack_slots [i];
  			else {
  				g_assert (nvtypes < 256);
  				vtype_stack_slots [nvtypes].vtype = t->data.klass;
  				slot_info = &vtype_stack_slots [nvtypes];
  				nvtypes ++;
  			}
  			if (cfg->disable_reuse_ref_stack_slots)
  				reuse_slot = FALSE;
  			break;
  
  		case MONO_TYPE_PTR:
  		case MONO_TYPE_I:
  		case MONO_TYPE_U:
  #if SIZEOF_VOID_P == 4
  		case MONO_TYPE_I4:
  #else
  		case MONO_TYPE_I8:
  #endif
  			if (cfg->disable_ref_noref_stack_slot_share) {
  				slot_info = &scalar_stack_slots [MONO_TYPE_I];
  				break;
  			}
  			/* Fall through */
  
  		case MONO_TYPE_CLASS:
  		case MONO_TYPE_OBJECT:
  		case MONO_TYPE_ARRAY:
  		case MONO_TYPE_SZARRAY:
  		case MONO_TYPE_STRING:
  			/* Share non-float stack slots of the same size */
  			slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
  			if (cfg->disable_reuse_ref_stack_slots)
  				reuse_slot = FALSE;
  			break;
  
  		default:
  			slot_info = &scalar_stack_slots [t->type];
  		}
  
  		slot = 0xffffff;
  		if (cfg->comp_done & MONO_COMP_LIVENESS) {
  			int pos;
  			gboolean changed;
  
  			//printf ("START  %2d %08x %08x\n",  vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
  
  			if (!current->interval->range) {
  				if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
  					pos = ~0;
  				else {
  					/* Dead */
  					inst->flags |= MONO_INST_IS_DEAD;
  					continue;
  				}
  			}
  			else
  				pos = current->interval->range->from;
  
  			LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
  			if (current->interval->range)
  				LSCAN_DEBUG (mono_linterval_print (current->interval));
  			LSCAN_DEBUG (printf ("\n"));
  
  			/* Check for intervals in active which expired or inactive */
  			changed = TRUE;
  			/* FIXME: Optimize this */
  			while (changed) {
  				changed = FALSE;
  				for (l = slot_info->active; l != NULL; l = l->next) {
  					MonoMethodVar *v = (MonoMethodVar*)l->data;
  
  					if (v->interval->last_range->to < pos) {
  						slot_info->active = g_list_delete_link (slot_info->active, l);
  						slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
  						LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
  						changed = TRUE;
  						break;
  					}
  					else if (!mono_linterval_covers (v->interval, pos)) {
  						slot_info->inactive = g_list_append (slot_info->inactive, v);
  						slot_info->active = g_list_delete_link (slot_info->active, l);
  						LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
  						changed = TRUE;
  						break;
  					}
  				}
  			}
  
  			/* Check for intervals in inactive which expired or active */
  			changed = TRUE;
  			/* FIXME: Optimize this */
  			while (changed) {
  				changed = FALSE;
  				for (l = slot_info->inactive; l != NULL; l = l->next) {
  					MonoMethodVar *v = (MonoMethodVar*)l->data;
  
  					if (v->interval->last_range->to < pos) {
  						slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
  						// FIXME: Enabling this seems to cause impossible to debug crashes
  						//slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
  						LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
  						changed = TRUE;
  						break;
  					}
  					else if (mono_linterval_covers (v->interval, pos)) {
  						slot_info->active = g_list_append (slot_info->active, v);
  						slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
  						LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
  						changed = TRUE;
  						break;
  					}
  				}
  			}
  
  			/* 
  			 * This also handles the case when the variable is used in an
  			 * exception region, as liveness info is not computed there.
  			 */
  			/* 
  			 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
  			 * opcodes.
  			 */
  			if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
  				if (slot_info->slots) {
  					slot = GPOINTER_TO_INT (slot_info->slots->data);
  
  					slot_info->slots = slot_info->slots->next;
  				}
  
  				/* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
  
  				slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
  			}
  		}
  
  #if 0
  		{
  			static int count = 0;
  			count ++;
  
  			if (count == atoi (getenv ("COUNT3")))
  				printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
  			if (count > atoi (getenv ("COUNT3")))
  				slot = 0xffffff;
  			else {
  				mono_print_ins (inst);
  				}
  		}
  #endif
  
  		LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
  
  		if (inst->flags & MONO_INST_LMF) {
  			size = sizeof (MonoLMF);
  			align = sizeof (mgreg_t);
  			reuse_slot = FALSE;
  		}
  
  		if (!reuse_slot)
  			slot = 0xffffff;
  
  		if (slot == 0xffffff) {
  			/*
  			 * Allways allocate valuetypes to sizeof (gpointer) to allow more
  			 * efficient copying (and to work around the fact that OP_MEMCPY
  			 * and OP_MEMSET ignores alignment).
  			 */
  			if (MONO_TYPE_ISSTRUCT (t)) {
  				align = MAX (align, sizeof (gpointer));
  				align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
  			}
  
  			if (backward) {
  				offset += size;
  				offset += align - 1;
  				offset &= ~(align - 1);
  				slot = offset;
  			}
  			else {
  				offset += align - 1;
  				offset &= ~(align - 1);
  				slot = offset;
  				offset += size;
  			}
  
  			if (*stack_align == 0)
  				*stack_align = align;
  		}
  
  		offsets [vmv->idx] = slot;
  	}
  	g_list_free (vars);
  	for (i = 0; i < MONO_TYPE_PINNED; ++i) {
  		if (scalar_stack_slots [i].active)
  			g_list_free (scalar_stack_slots [i].active);
  	}
  	for (i = 0; i < nvtypes; ++i) {
  		if (vtype_stack_slots [i].active)
  			g_list_free (vtype_stack_slots [i].active);
  	}
  
  	cfg->stat_locals_stack_size += offset;
  
  	*stack_size = offset;
  	return offsets;
  }
  
  /*
   *  mono_allocate_stack_slots:
   *
   *  Allocate stack slots for all non register allocated variables using a
   * linear scan algorithm.
   * Returns: an array of stack offsets.
   * STACK_SIZE is set to the amount of stack space needed.
   * STACK_ALIGN is set to the alignment needed by the locals area.
   */
  gint32*
  mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
  {
  	int i, slot, offset, size;
  	guint32 align;
  	MonoMethodVar *vmv;
  	MonoInst *inst;
  	gint32 *offsets;
  	GList *vars = NULL, *l;
  	StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
  	MonoType *t;
  	int nvtypes;
  	gboolean reuse_slot;
  
  	if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
  		return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
  
  	scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
  	vtype_stack_slots = NULL;
  	nvtypes = 0;
  
  	offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
  	for (i = 0; i < cfg->num_varinfo; ++i)
  		offsets [i] = -1;
  
  	for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
  		inst = cfg->varinfo [i];
  		vmv = MONO_VARINFO (cfg, i);
  
  		if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
  			continue;
  
  		vars = g_list_prepend (vars, vmv);
  	}
  
  	vars = mono_varlist_sort (cfg, vars, 0);
  	offset = 0;
  	*stack_align = sizeof(mgreg_t);
  	for (l = vars; l; l = l->next) {
  		vmv = l->data;
  		inst = cfg->varinfo [vmv->idx];
  
  		/* inst->backend.is_pinvoke indicates native sized value types, this is used by the
  		* pinvoke wrappers when they call functions returning structures */
  		if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
  			size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
  		} else {
  			int ialign;
  
  			size = mono_type_size (inst->inst_vtype, &ialign);
  			align = ialign;
  
  			if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
  				align = 16;
  		}
  
  		reuse_slot = TRUE;
  		if (cfg->disable_reuse_stack_slots)
  			reuse_slot = FALSE;
  
  		t = mono_type_get_underlying_type (inst->inst_vtype);
  		if (t->byref) {
  			slot_info = &scalar_stack_slots [MONO_TYPE_I];
  		} else {
  			switch (t->type) {
  			case MONO_TYPE_GENERICINST:
  				if (!mono_type_generic_inst_is_valuetype (t)) {
  					slot_info = &scalar_stack_slots [t->type];
  					break;
  				}
  				/* Fall through */
  			case MONO_TYPE_VALUETYPE:
  				if (!vtype_stack_slots)
  					vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
  				for (i = 0; i < nvtypes; ++i)
  					if (t->data.klass == vtype_stack_slots [i].vtype)
  						break;
  				if (i < nvtypes)
  					slot_info = &vtype_stack_slots [i];
  				else {
  					g_assert (nvtypes < 256);
  					vtype_stack_slots [nvtypes].vtype = t->data.klass;
  					slot_info = &vtype_stack_slots [nvtypes];
  					nvtypes ++;
  				}
  				if (cfg->disable_reuse_ref_stack_slots)
  					reuse_slot = FALSE;
  				break;
  
  			case MONO_TYPE_PTR:
  			case MONO_TYPE_I:
  			case MONO_TYPE_U:
  #if SIZEOF_VOID_P == 4
  			case MONO_TYPE_I4:
  #else
  			case MONO_TYPE_I8:
  #endif
  				if (cfg->disable_ref_noref_stack_slot_share) {
  					slot_info = &scalar_stack_slots [MONO_TYPE_I];
  					break;
  				}
  				/* Fall through */
  
  			case MONO_TYPE_CLASS:
  			case MONO_TYPE_OBJECT:
  			case MONO_TYPE_ARRAY:
  			case MONO_TYPE_SZARRAY:
  			case MONO_TYPE_STRING:
  				/* Share non-float stack slots of the same size */
  				slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
  				if (cfg->disable_reuse_ref_stack_slots)
  					reuse_slot = FALSE;
  				break;
  
  			default:
  				slot_info = &scalar_stack_slots [t->type];
  			}
  		}
  
  		slot = 0xffffff;
  		if (cfg->comp_done & MONO_COMP_LIVENESS) {
  			//printf ("START  %2d %08x %08x\n",  vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
  			
  			/* expire old intervals in active */
  			while (slot_info->active) {
  				MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
  
  				if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
  					break;
  
  				//printf ("EXPIR  %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg);
  
  				slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
  				slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
  			}
  
  			/* 
  			 * This also handles the case when the variable is used in an
  			 * exception region, as liveness info is not computed there.
  			 */
  			/* 
  			 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
  			 * opcodes.
  			 */
  			if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
  				if (slot_info->slots) {
  					slot = GPOINTER_TO_INT (slot_info->slots->data);
  
  					slot_info->slots = slot_info->slots->next;
  				}
  
  				slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
  			}
  		}
  
  		{
  			static int count = 0;
  			count ++;
  
  			/*
  			if (count == atoi (getenv ("COUNT")))
  				printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
  			if (count > atoi (getenv ("COUNT")))
  				slot = 0xffffff;
  			else {
  				mono_print_ins (inst);
  				}
  			*/
  		}
  
  		if (inst->flags & MONO_INST_LMF) {
  			/*
  			 * This variable represents a MonoLMF structure, which has no corresponding
  			 * CLR type, so hard-code its size/alignment.
  			 */
  			size = sizeof (MonoLMF);
  			align = sizeof (mgreg_t);
  			reuse_slot = FALSE;
  		}
  
  		if (!reuse_slot)
  			slot = 0xffffff;
  
  		if (slot == 0xffffff) {
  			/*
  			 * Allways allocate valuetypes to sizeof (gpointer) to allow more
  			 * efficient copying (and to work around the fact that OP_MEMCPY
  			 * and OP_MEMSET ignores alignment).
  			 */
  			if (MONO_TYPE_ISSTRUCT (t)) {
  				align = MAX (align, sizeof (gpointer));
  				align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
  				/* 
  				 * Align the size too so the code generated for passing vtypes in
  				 * registers doesn't overwrite random locals.
  				 */
  				size = (size + (align - 1)) & ~(align -1);
  			}
  
  			if (backward) {
  				offset += size;
  				offset += align - 1;
  				offset &= ~(align - 1);
  				slot = offset;
  			}
  			else {
  				offset += align - 1;
  				offset &= ~(align - 1);
  				slot = offset;
  				offset += size;
  			}
  
  			*stack_align = MAX (*stack_align, align);
  		}
  
  		offsets [vmv->idx] = slot;
  	}
  	g_list_free (vars);
  	for (i = 0; i < MONO_TYPE_PINNED; ++i) {
  		if (scalar_stack_slots [i].active)
  			g_list_free (scalar_stack_slots [i].active);
  	}
  	for (i = 0; i < nvtypes; ++i) {
  		if (vtype_stack_slots [i].active)
  			g_list_free (vtype_stack_slots [i].active);
  	}
  
  	cfg->stat_locals_stack_size += offset;
  
  	*stack_size = offset;
  	return offsets;
  }
  
  #else
  
  gint32*
  mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
  {
  	g_assert_not_reached ();
  	return NULL;
  }
  
  #endif /* DISABLE_JIT */
  
  #define EMUL_HIT_SHIFT 3
  #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
  /* small hit bitmap cache */
  static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
  static short emul_opcode_num = 0;
  static short emul_opcode_alloced = 0;
  static short *emul_opcode_opcodes = NULL;
  static MonoJitICallInfo **emul_opcode_map = NULL;
  
  MonoJitICallInfo *
  mono_find_jit_opcode_emulation (int opcode)
  {
  	g_assert (opcode >= 0 && opcode <= OP_LAST);
  	if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
  		int i;
  		for (i = 0; i < emul_opcode_num; ++i) {
  			if (emul_opcode_opcodes [i] == opcode)
  				return emul_opcode_map [i];
  		}
  	}
  	return NULL;
  }
  
  void
  mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
  {
  	MonoJitICallInfo *info;
  	MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
  
  	g_assert (!sig->hasthis);
  	g_assert (sig->param_count < 3);
  
  	info = mono_register_jit_icall (func, name, sig, no_throw);
  
  	if (emul_opcode_num >= emul_opcode_alloced) {
  		int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
  		emul_opcode_alloced += incr;
  		emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
  		emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
  	}
  	emul_opcode_map [emul_opcode_num] = info;
  	emul_opcode_opcodes [emul_opcode_num] = opcode;
  	emul_opcode_num++;
  	emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
  }
  
  static void
  register_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);
  }
  
  static void
  print_dfn (MonoCompile *cfg) {
  	int i, j;
  	char *code;
  	MonoBasicBlock *bb;
  	MonoInst *c;
  
  	{
  		char *method_name = mono_method_full_name (cfg->method, TRUE);
  		g_print ("IR code for method %s\n", method_name);
  		g_free (method_name);
  	}
  
  	for (i = 0; i < cfg->num_bblocks; ++i) {
  		bb = cfg->bblocks [i];
  		/*if (bb->cil_code) {
  			char* code1, *code2;
  			code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
  			if (bb->last_ins->cil_code)
  				code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
  			else
  				code2 = g_strdup ("");
  
  			code1 [strlen (code1) - 1] = 0;
  			code = g_strdup_printf ("%s -> %s", code1, code2);
  			g_free (code1);
  			g_free (code2);
  		} else*/
  			code = g_strdup ("\n");
  		g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
  		MONO_BB_FOR_EACH_INS (bb, c) {
  			mono_print_ins_index (-1, c);
  		}
  
  		g_print ("\tprev:");
  		for (j = 0; j < bb->in_count; ++j) {
  			g_print (" BB%d", bb->in_bb [j]->block_num);
  		}
  		g_print ("\t\tsucc:");
  		for (j = 0; j < bb->out_count; ++j) {
  			g_print (" BB%d", bb->out_bb [j]->block_num);
  		}
  		g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
  
  		if (bb->idom)
  			g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
  
  		if (bb->dominators)
  			mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
  		if (bb->dfrontier)
  			mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
  		g_free (code);
  	}
  
  	g_print ("\n");
  }
  
  void
  mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
  {
  	MONO_ADD_INS (bb, inst);
  }
  
  void
  mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
  {
  	if (ins == NULL) {
  		ins = bb->code;
  		bb->code = ins_to_insert;
  
  		/* Link with next */
  		ins_to_insert->next = ins;
  		if (ins)
  			ins->prev = ins_to_insert;
  
  		if (bb->last_ins == NULL)
  			bb->last_ins = ins_to_insert;
  	} else {
  		/* Link with next */
  		ins_to_insert->next = ins->next;
  		if (ins->next)
  			ins->next->prev = ins_to_insert;
  
  		/* Link with previous */
  		ins->next = ins_to_insert;
  		ins_to_insert->prev = ins;
  
  		if (bb->last_ins == ins)
  			bb->last_ins = ins_to_insert;
  	}
  }
  
  void
  mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
  {
  	if (ins == NULL) {
  		ins = bb->code;
  		if (ins)
  			ins->prev = ins_to_insert;
  		bb->code = ins_to_insert;
  		ins_to_insert->next = ins;
  		if (bb->last_ins == NULL)
  			bb->last_ins = ins_to_insert;
  	} else {
  		/* Link with previous */
  		if (ins->prev)
  			ins->prev->next = ins_to_insert;
  		ins_to_insert->prev = ins->prev;
  
  		/* Link with next */
  		ins->prev = ins_to_insert;
  		ins_to_insert->next = ins;
  
  		if (bb->code == ins)
  			bb->code = ins_to_insert;
  	}
  }
  
  /*
   * mono_verify_bblock:
   *
   *   Verify that the next and prev pointers are consistent inside the instructions in BB.
   */
  void
  mono_verify_bblock (MonoBasicBlock *bb)
  {
  	MonoInst *ins, *prev;
  
  	prev = NULL;
  	for (ins = bb->code; ins; ins = ins->next) {
  		g_assert (ins->prev == prev);
  		prev = ins;
  	}
  	if (bb->last_ins)
  		g_assert (!bb->last_ins->next);
  }
  
  /*
   * mono_verify_cfg:
   *
   *   Perform consistency checks on the JIT data structures and the IR
   */
  void
  mono_verify_cfg (MonoCompile *cfg)
  {
  	MonoBasicBlock *bb;
  
  	for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  		mono_verify_bblock (bb);
  }
  
  void
  mono_destroy_compile (MonoCompile *cfg)
  {
  	GSList *l;
  
  	if (cfg->header)
  		mono_metadata_free_mh (cfg->header);
  	//mono_mempool_stats (cfg->mempool);
  	mono_free_loop_info (cfg);
  	if (cfg->rs)
  		mono_regstate_free (cfg->rs);
  	if (cfg->spvars)
  		g_hash_table_destroy (cfg->spvars);
  	if (cfg->exvars)
  		g_hash_table_destroy (cfg->exvars);
  	for (l = cfg->headers_to_free; l; l = l->next)
  		mono_metadata_free_mh (l->data);
  	g_list_free (cfg->ldstr_list);
  	g_hash_table_destroy (cfg->token_info_hash);
  	if (cfg->abs_patches)
  		g_hash_table_destroy (cfg->abs_patches);
  	mono_mempool_destroy (cfg->mempool);
  
  	mono_debug_free_method (cfg);
  
  	g_free (cfg->varinfo);
  	g_free (cfg->vars);
  	g_free (cfg->exception_message);
  	g_free (cfg);
  }
  
  #ifdef MONO_HAVE_FAST_TLS
  MONO_FAST_TLS_DECLARE(mono_lmf_addr);
  #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
  /* 
   * When this is defined, the current lmf is stored in this tls variable instead of in 
   * jit_tls->lmf.
   */
  MONO_FAST_TLS_DECLARE(mono_lmf);
  #endif
  #endif
  
  MonoNativeTlsKey
  mono_get_jit_tls_key (void)
  {
  	return mono_jit_tls_id;
  }
  
  gint32
  mono_get_jit_tls_offset (void)
  {
  	int offset;
  	MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
  	return offset;
  }
  
  gint32
  mono_get_lmf_tls_offset (void)
  {
  #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
  	int offset;
  	MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
  	return offset;
  #else
  	return -1;
  #endif
  }
  
  gint32
  mono_get_lmf_addr_tls_offset (void)
  {
  	int offset;
  	MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
  	return offset;
  }
  
  MonoLMF *
  mono_get_lmf (void)
  {
  #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
  	return MONO_FAST_TLS_GET (mono_lmf);
  #else
  	MonoJitTlsData *jit_tls;
  
  	if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
  		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;
  #endif
  }
  
  MonoLMF **
  mono_get_lmf_addr (void)
  {
  #ifdef MONO_HAVE_FAST_TLS
  	return MONO_FAST_TLS_GET (mono_lmf_addr);
  #else
  	MonoJitTlsData *jit_tls;
  
  	if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
  		return &jit_tls->lmf;
  
  	/*
  	 * When resolving the call to mono_jit_thread_attach full-aot will look
  	 * in the plt, which causes a call into the generic trampoline, which in turn
  	 * tries to resolve the lmf_addr creating a cyclic dependency.  We cannot
  	 * call mono_jit_thread_attach from the native-to-managed wrapper, without
  	 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
  	 */
  
  	mono_jit_thread_attach (NULL);
  	
  	if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
  		return &jit_tls->lmf;
  
  	g_assert_not_reached ();
  	return NULL;
  #endif
  }
  
  void
  mono_set_lmf (MonoLMF *lmf)
  {
  #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
  	MONO_FAST_TLS_SET (mono_lmf, lmf);
  #endif
  
  	(*mono_get_lmf_addr ()) = lmf;
  }
  
  static void
  mono_set_jit_tls (MonoJitTlsData *jit_tls)
  {
  	mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
  
  #ifdef MONO_HAVE_FAST_TLS
  	MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
  #endif
  }
  
  static void
  mono_set_lmf_addr (gpointer lmf_addr)
  {
  #ifdef MONO_HAVE_FAST_TLS
  	MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
  #endif
  }
  
  /*
   * mono_jit_thread_attach:
   *
   * Called by native->managed wrappers. Returns the original domain which needs to be
   * restored, or NULL.
   */
  MonoDomain*
  mono_jit_thread_attach (MonoDomain *domain)
  {
  	MonoDomain *orig;
  
  	if (!domain)
  		/* 
  		 * Happens when called from AOTed code which is only used in the root
  		 * domain.
  		 */
  		domain = mono_get_root_domain ();
  
  #ifdef MONO_HAVE_FAST_TLS
  	if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
  		mono_thread_attach (domain);
  		// #678164
  		mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
  	}
  #else
  	if (!mono_native_tls_get_value (mono_jit_tls_id)) {
  		mono_thread_attach (domain);
  		mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
  	}
  #endif
  	orig = mono_domain_get ();
  	if (orig != domain)
   		mono_domain_set (domain, TRUE);
  
  	return orig != domain ? orig : NULL;
  }	
  
  /* Called by native->managed wrappers */
  void
  mono_jit_set_domain (MonoDomain *domain)
  {
  	if (domain)
  		mono_domain_set (domain, TRUE);
  }
  
  /**
   * mono_thread_abort:
   * @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 = mono_native_tls_get_value (mono_jit_tls_id);
  	if (jit_tls)
  		return jit_tls;
  
  	jit_tls = g_new0 (MonoJitTlsData, 1);
  
  	jit_tls->abort_func = 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;
  
  #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
  	/* jit_tls->lmf is unused */
  	MONO_FAST_TLS_SET (mono_lmf, lmf);
  	mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
  #else
  	mono_set_lmf_addr (&jit_tls->lmf);
  
  	jit_tls->lmf = lmf;
  #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)
  {
  	MonoInternalThread *thread;
  	void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
  	thread = mono_thread_internal_current ();
  	mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
  	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)
  {
  	MonoInternalThread *thread;
  	void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
  	thread = mono_thread_internal_current ();
  	mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
  	if (thread)
  		thread->jit_data = jit_tls;
  	if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
  		mono_runtime_setup_stat_profiler ();
  
  	mono_arch_cpu_init ();
  }
  
  static void
  mini_thread_cleanup (MonoInternalThread *thread)
  {
  	MonoJitTlsData *jit_tls = thread->jit_data;
  
  	if (jit_tls) {
  		mono_debugger_thread_cleanup (jit_tls);
  
  		/* 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 (thread == mono_thread_internal_current ())
  			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);
  		}
  
  		free_jit_tls_data (jit_tls);
  
  		thread->jit_data = NULL;
  	}
  }
  
  static MonoInst*
  mono_create_tls_get (MonoCompile *cfg, int offset)
  {
  #ifdef MONO_ARCH_HAVE_TLS_GET
  	if (MONO_ARCH_HAVE_TLS_GET) {
  		MonoInst* ins;
  
  		if (offset == -1)
  			return NULL;
  
  		MONO_INST_NEW (cfg, ins, OP_TLS_GET);
  		ins->dreg = mono_alloc_preg (cfg);
  		ins->inst_offset = offset;
  		return ins;
  	}
  #endif
  	return NULL;
  }
  
  MonoInst*
  mono_get_jit_tls_intrinsic (MonoCompile *cfg)
  {
  	return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
  }
  
  MonoInst*
  mono_get_domain_intrinsic (MonoCompile* cfg)
  {
  	return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
  }
  
  MonoInst*
  mono_get_thread_intrinsic (MonoCompile* cfg)
  {
  	return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
  }
  
  MonoInst*
  mono_get_lmf_intrinsic (MonoCompile* cfg)
  {
  	return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
  }
  
  void
  mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
  {
  	MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
  
  	ji->ip.i = ip;
  	ji->type = type;
  	ji->data.target = target;
  	ji->next = cfg->patch_info;
  
  	cfg->patch_info = ji;
  }
  
  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;
  }
  
  void
  mono_remove_patch_info (MonoCompile *cfg, int ip)
  {
  	MonoJumpInfo **ji = &cfg->patch_info;
  
  	while (*ji) {
  		if ((*ji)->ip.i == ip)
  			*ji = (*ji)->next;
  		else
  			ji = &((*ji)->next);
  	}
  }
  
  /**
   * 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 = 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 = 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 = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
  		memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
  		res->data.table->table = 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:
  		res->data.rgctx_entry = 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;
  	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_CLASS_INIT:
  	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_JIT_ICALL_ADDR:
  	case MONO_PATCH_INFO_FIELD:
  	case MONO_PATCH_INFO_SFLDA:
  	case MONO_PATCH_INFO_SEQ_POINT_INFO:
  		return (ji->type << 8) | (gssize)ji->data.target;
  	default:
  		return (ji->type << 8);
  	}
  }
  
  /* 
   * 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: {
  		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);
  	}
  	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)
  {
  	unsigned char *ip = patch_info->ip.i + code;
  	gconstpointer target = NULL;
  
  	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:
  #if defined(__native_client__) && defined(__native_client_codegen__)
  		/* Need to transform to the destination address, it's */
  		/* emitted as an immediate in the code. */
  		target = nacl_inverse_modify_patch_target(ip);
  #else
  		target = ip;
  #endif
  		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_METHOD_JUMP:
  		target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
  #if defined(__native_client__) && defined(__native_client_codegen__)
  #if defined(TARGET_AMD64)
  		/* This target is an absolute address, not relative to the */
  		/* current code being emitted on AMD64. */
  		target = nacl_inverse_modify_patch_target(target);
  #endif
  #endif
  		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_in_domain (domain, patch_info->data.method);
  		}
  		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 = 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 = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
  			} else {
  				jump_table = 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++) {
  #if defined(__native_client__) && defined(__native_client_codegen__)
  			/* 'code' is relative to the current code blob, we */
  			/* need to do this transform on it to make the     */
  			/* pointers in this table absolute                 */
  			jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
  #else
  			jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
  #endif
  		}
  
  #if defined(__native_client__) && defined(__native_client_codegen__)
  		/* jump_table is in the data section, we need to transform */
  		/* it here so when it gets modified in amd64_patch it will */
  		/* then point back to the absolute data address            */
  		target = nacl_inverse_modify_patch_target (jump_table);
  #else
  		target = jump_table;
  #endif
  		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:
  		target = patch_info->data.target;
  		break;
  	case MONO_PATCH_INFO_IID:
  		mono_class_init (patch_info->data.klass);
  		target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
  		break;
  	case MONO_PATCH_INFO_ADJUSTED_IID:
  		mono_class_init (patch_info->data.klass);
  		target = GINT_TO_POINTER ((int)(-((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_CLASS_INIT: {
  		MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
  
  		g_assert (vtable);
  		target = mono_create_class_init_trampoline (vtable);
  		break;
  	}
  	case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
  		target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
  		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 && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
  			/* Done by the generated code */
  			;
  		else {
  			if (run_cctors)
  				mono_runtime_class_init (vtable);
  		}
  		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 (domain, patch_info->data.token->image, 
  						mono_metadata_token_index (patch_info->data.token->token));
  		break;
  	case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
  		gpointer handle;
  		MonoClass *handle_class;
  
  		handle = mono_ldtoken (patch_info->data.token->image, 
  							   patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
  		mono_class_init (handle_class);
  		mono_class_init (mono_class_from_mono_type (handle));
  
  		target =
  			mono_type_get_object (domain, handle);
  		break;
  	}
  	case MONO_PATCH_INFO_LDTOKEN: {
  		gpointer handle;
  		MonoClass *handle_class;
  		
  		handle = mono_ldtoken (patch_info->data.token->image,
  				       patch_info->data.token->token, &handle_class, NULL);
  		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:
  		/* 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_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
  					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_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_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_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: {
  		MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
  		guint32 slot = -1;
  
  		switch (entry->data->type) {
  		case MONO_PATCH_INFO_CLASS:
  			slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
  			break;
  		case MONO_PATCH_INFO_METHOD:
  		case MONO_PATCH_INFO_METHODCONST:
  			slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
  			break;
  		case MONO_PATCH_INFO_FIELD:
  			slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
  			break;
  		default:
  			g_assert_not_reached ();
  			break;
  		}
  
  		target = mono_create_rgctx_lazy_fetch_trampoline (slot);
  		break;
  	}
  	case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
  		target = mono_create_generic_class_init_trampoline ();
  		break;
  	case MONO_PATCH_INFO_MONITOR_ENTER:
  		target = mono_create_monitor_enter_trampoline ();
  		break;
  	case MONO_PATCH_INFO_MONITOR_EXIT:
  		target = mono_create_monitor_exit_trampoline ();
  		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_LLVM_IMT_TRAMPOLINE:
  #ifdef MONO_ARCH_LLVM_SUPPORTED
  		g_assert (mono_use_llvm);
  		target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
  #else
  		g_assert_not_reached ();
  #endif
  		break;
  	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_CASTCLASS_CACHE: {
  		target = mono_domain_alloc0 (domain, sizeof (gpointer));
  		break;
  	}
  	default:
  		g_assert_not_reached ();
  	}
  
  	return (gpointer)target;
  }
  
  void
  mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
  {
  	ins->inst_offset = native_offset;
  	g_ptr_array_add (cfg->seq_points, ins);
  	bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
  	bb->last_seq_point = ins;
  }
  
  void
  mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
  {
  	MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
  
  	if (is_reg)
  		g_assert (offset == 0);
  
  	entry->is_reg = is_reg;
  	entry->reg = reg;
  	entry->offset = offset;
  	entry->from = from;
  	entry->to = to;
  
  	if (var == cfg->args [0])
  		cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
  	else if (var == cfg->rgctx_var)
  		cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
  }
  
  #ifndef DISABLE_JIT
  
  static void
  mono_compile_create_vars (MonoCompile *cfg)
  {
  	MonoMethodSignature *sig;
  	MonoMethodHeader *header;
  	int i;
  
  	header = cfg->header;
  
  	sig = mono_method_signature (cfg->method);
  	
  	if (!MONO_TYPE_IS_VOID (sig->ret)) {
  		cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
  		/* Inhibit optimizations */
  		cfg->ret->flags |= MONO_INST_VOLATILE;
  	}
  	if (cfg->verbose_level > 2)
  		g_print ("creating vars\n");
  
  	cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
  
  	if (sig->hasthis)
  		cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
  
  	for (i = 0; i < sig->param_count; ++i) {
  		cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
  	}
  
  	if (cfg->verbose_level > 2) {
  		if (cfg->ret) {
  			printf ("\treturn : ");
  			mono_print_ins (cfg->ret);
  		}
  
  		if (sig->hasthis) {
  			printf ("\tthis: ");
  			mono_print_ins (cfg->args [0]);
  		}
  
  		for (i = 0; i < sig->param_count; ++i) {
  			printf ("\targ [%d]: ", i);
  			mono_print_ins (cfg->args [i + sig->hasthis]);
  		}
  	}
  
  	cfg->locals_start = cfg->num_varinfo;
  	cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
  
  	if (cfg->verbose_level > 2)
  		g_print ("creating locals\n");
  
  	for (i = 0; i < header->num_locals; ++i)
  		cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
  
  	if (cfg->verbose_level > 2)
  		g_print ("locals done\n");
  
  	mono_arch_create_vars (cfg);
  }
  
  #endif /* #ifndef DISABLE_JIT */
  
  void
  mono_print_code (MonoCompile *cfg, const char* msg)
  {
  	MonoBasicBlock *bb;
  	
  	for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  		mono_print_bb (bb, msg);
  }
  
  #ifndef DISABLE_JIT
  
  static void
  mono_postprocess_patches (MonoCompile *cfg)
  {
  	MonoJumpInfo *patch_info;
  	int i;
  
  	for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
  		switch (patch_info->type) {
  		case MONO_PATCH_INFO_ABS: {
  			MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
  
  			/*
  			 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the 
  			 * absolute address.
  			 */
  			if (info) {
  				//printf ("TEST %s %p\n", info->name, patch_info->data.target);
  				// FIXME: CLEAN UP THIS MESS.
  				if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && 
  					strstr (cfg->method->name, info->name)) {
  					/*
  					 * This is an icall wrapper, and this is a call to the
  					 * wrapped function.
  					 */
  					if (cfg->compile_aot) {
  						patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
  						patch_info->data.name = info->name;
  					}
  				} else {
  					/* for these array methods we currently register the same function pointer
  					 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
  					 * will return the incorrect one depending on the order they are registered.
  					 * See tests/test-arr.cs
  					 */
  					if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
  						patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
  						patch_info->data.name = info->name;
  					}
  				}
  			}
  
  			if (patch_info->type == MONO_PATCH_INFO_ABS) {
  				if (cfg->abs_patches) {
  					MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
  					if (abs_ji) {
  						patch_info->type = abs_ji->type;
  						patch_info->data.target = abs_ji->data.target;
  					}
  				}
  			}
  
  			break;
  		}
  		case MONO_PATCH_INFO_SWITCH: {
  			gpointer *table;
  #if defined(__native_client__) && defined(__native_client_codegen__)
  			/* This memory will leak.  */
  			/* TODO: can we free this when  */
  			/* making the final jump table? */
  			table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
  #else
  			if (cfg->method->dynamic) {
  				table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
  			} else {
  				table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
  			}
  #endif
  
  			for (i = 0; i < patch_info->data.table->table_size; i++) {
  				/* Might be NULL if the switch is eliminated */
  				if (patch_info->data.table->table [i]) {
  					g_assert (patch_info->data.table->table [i]->native_offset);
  					table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
  				} else {
  					table [i] = NULL;
  				}
  			}
  			patch_info->data.table->table = (MonoBasicBlock**)table;
  			break;
  		}
  		case MONO_PATCH_INFO_METHOD_JUMP: {
  			MonoJumpList *jlist;
  			MonoDomain *domain = cfg->domain;
  			unsigned char *ip = cfg->native_code + patch_info->ip.i;
  #if defined(__native_client__) && defined(__native_client_codegen__)
  			/* When this jump target gets evaluated, the method */
  			/* will be installed in the dynamic code section,   */
  			/* not at the location of cfg->native_code.         */
  			ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
  #endif
  
  			mono_domain_lock (domain);
  			jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
  			if (!jlist) {
  				jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
  				g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
  			}
  			jlist->list = g_slist_prepend (jlist->list, ip);
  			mono_domain_unlock (domain);
  			break;
  		}
  		default:
  			/* do nothing */
  			break;
  		}
  	}
  }
  
  static void
  collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
  {
  	int i;
  	MonoBasicBlock *in_bb;
  	GSList *l;
  
  	for (i = 0; i < bb->in_count; ++i) {
  		in_bb = bb->in_bb [i];
  
  		if (in_bb->last_seq_point) {
  			int src_index = in_bb->last_seq_point->backend.size;
  			int dst_index = ins->backend.size;
  
  			/* bb->in_bb might contain duplicates */
  			for (l = next [src_index]; l; l = l->next)
  				if (GPOINTER_TO_UINT (l->data) == dst_index)
  					break;
  			if (!l)
  				next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
  		} else {
  			/* Have to look at its predecessors */
  			if (depth < 5)
  				collect_pred_seq_points (in_bb, ins, next, depth + 1);
  		}
  	}
  }
  
  static void
  mono_save_seq_point_info (MonoCompile *cfg)
  {
  	MonoBasicBlock *bb;
  	GSList *bb_seq_points, *l;
  	MonoInst *last;
  	MonoDomain *domain = cfg->domain;
  	int i;
  	MonoSeqPointInfo *info;
  	GSList **next;
  
  	if (!cfg->seq_points)
  		return;
  
  	info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
  	info->len = cfg->seq_points->len;
  	for (i = 0; i < cfg->seq_points->len; ++i) {
  		SeqPoint *sp = &info->seq_points [i];
  		MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
  
  		sp->il_offset = ins->inst_imm;
  		sp->native_offset = ins->inst_offset;
  
  		/* Used below */
  		ins->backend.size = i;
  	}
  
  	/*
  	 * For each sequence point, compute the list of sequence points immediately
  	 * following it, this is needed to implement 'step over' in the debugger agent.
  	 */ 
  	next = g_new0 (GSList*, cfg->seq_points->len);
  	for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  		bb_seq_points = g_slist_reverse (bb->seq_points);
  		last = NULL;
  		for (l = bb_seq_points; l; l = l->next) {
  			MonoInst *ins = l->data;
  
  			if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
  				/* Used to implement method entry/exit events */
  				continue;
  
  			if (last != NULL) {
  				/* Link with the previous seq point in the same bb */
  				next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
  			} else {
  				/* Link with the last bb in the previous bblocks */
  				collect_pred_seq_points (bb, ins, next, 0);
  			}
  
  			last = ins;
  		}
  
  		if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
  			MonoBasicBlock *bb2;
  			MonoInst *endfinally_seq_point = NULL;
  
  			/*
  			 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
  			 */
  			l = g_slist_last (bb->seq_points);
  			g_assert (l);
  			endfinally_seq_point = l->data;
  
  			for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
  				GSList *l = g_slist_last (bb2->seq_points);
  
  				if (l) {
  					MonoInst *ins = l->data;
  
  					if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
  						next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
  				}
  			}
  		}
  	}
  
  	if (cfg->verbose_level > 2) {
  		printf ("\nSEQ POINT MAP: \n");
  	}
  
  	for (i = 0; i < cfg->seq_points->len; ++i) {
  		SeqPoint *sp = &info->seq_points [i];
  		GSList *l;
  		int j, next_index;
  
  		sp->next_len = g_slist_length (next [i]);
  		sp->next = g_new (int, sp->next_len);
  		j = 0;
  		if (cfg->verbose_level > 2 && next [i]) {
  			printf ("\tIL0x%x ->", sp->il_offset);
  			for (l = next [i]; l; l = l->next) {
  				next_index = GPOINTER_TO_UINT (l->data);
  				printf (" IL0x%x", info->seq_points [next_index].il_offset);
  			}
  			printf ("\n");
  		}
  		for (l = next [i]; l; l = l->next) {
  			next_index = GPOINTER_TO_UINT (l->data);
  			sp->next [j ++] = next_index;
  		}
  		g_slist_free (next [i]);
  	}
  	g_free (next);
  
  	cfg->seq_point_info = info;
  
  	// FIXME: dynamic methods
  	if (!cfg->compile_aot) {
  		mono_domain_lock (domain);
  		// FIXME: How can the lookup succeed ?
  		if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
  			g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
  		mono_domain_unlock (domain);
  	}
  
  	g_ptr_array_free (cfg->seq_points, TRUE);
  	cfg->seq_points = NULL;
  }
  
  void
  mono_codegen (MonoCompile *cfg)
  {
  	MonoBasicBlock *bb;
  	int max_epilog_size;
  	guint8 *code;
  	MonoDomain *code_domain;
  
  	if (mono_using_xdebug)
  		/*
  		 * Recent gdb versions have trouble processing symbol files containing
  		 * overlapping address ranges, so allocate all code from the code manager
  		 * of the root domain. (#666152).
  		 */
  		code_domain = mono_get_root_domain ();
  	else
  		code_domain = cfg->domain;
  
  #if defined(__native_client_codegen__) && defined(__native_client__)
  	void *code_dest;
  
  	/* This keeps patch targets from being transformed during
  	 * ordinary method compilation, for local branches and jumps.
  	 */
  	nacl_allow_target_modification (FALSE);
  #endif
  
  	for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  		cfg->spill_count = 0;
  		/* we reuse dfn here */
  		/* bb->dfn = bb_count++; */
  
  		mono_arch_lowering_pass (cfg, bb);
  
  		if (cfg->opt & MONO_OPT_PEEPHOLE)
  			mono_arch_peephole_pass_1 (cfg, bb);
  
  		if (!cfg->globalra)
  			mono_local_regalloc (cfg, bb);
  
  		if (cfg->opt & MONO_OPT_PEEPHOLE)
  			mono_arch_peephole_pass_2 (cfg, bb);
  	}
  
  	if (cfg->prof_options & MONO_PROFILE_COVERAGE)
  		cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
  
  	code = mono_arch_emit_prolog (cfg);
  
  	if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
  		code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
  
  	cfg->code_len = code - cfg->native_code;
  	cfg->prolog_end = cfg->code_len;
  
  	mono_debug_open_method (cfg);
  
  	/* emit code all basic blocks */
  	for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  		bb->native_offset = cfg->code_len;
  		bb->real_native_offset = cfg->code_len;
  		//if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
  			mono_arch_output_basic_block (cfg, bb);
  		bb->native_length = cfg->code_len - bb->native_offset;
  
  		if (bb == cfg->bb_exit) {
  			cfg->epilog_begin = cfg->code_len;
  
  			if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
  				code = cfg->native_code + cfg->code_len;
  				code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
  				cfg->code_len = code - cfg->native_code;
  				g_assert (cfg->code_len < cfg->code_size);
  			}
  
  			mono_arch_emit_epilog (cfg);
  		}
  	}
  
  #ifdef __native_client_codegen__
  	mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
  #endif
  	mono_arch_emit_exceptions (cfg);
  
  	max_epilog_size = 0;
  
  	/* we always allocate code in cfg->domain->code_mp to increase locality */
  	cfg->code_size = cfg->code_len + max_epilog_size;
  	/* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
  
  	if (cfg->method->dynamic) {
  		guint unwindlen = 0;
  #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
  		unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
  #endif
  		/* Allocate the code into a separate memory pool so it can be freed */
  		cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
  		cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
  		mono_domain_lock (cfg->domain);
  		mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
  		mono_domain_unlock (cfg->domain);
  
  		if (mono_using_xdebug)
  			/* See the comment for cfg->code_domain */
  			code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
  		else
  			code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
  	} else {
  		guint unwindlen = 0;
  #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
  		unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
  #endif
  		code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
  	}
  #if defined(__native_client_codegen__) && defined(__native_client__)
  	nacl_allow_target_modification (TRUE);
  #endif
  
  	g_assert (code);
  	memcpy (code, cfg->native_code, cfg->code_len);
  #if defined(__default_codegen__)
  	g_free (cfg->native_code);
  #elif defined(__native_client_codegen__)
  	if (cfg->native_code_alloc) {
  		g_free (cfg->native_code_alloc);
  		cfg->native_code_alloc = 0;
  	}
  	else if (cfg->native_code) {
  		g_free (cfg->native_code);
  	}
  #endif /* __native_client_codegen__ */
  	cfg->native_code = code;
  	code = cfg->native_code + cfg->code_len;
    
  	/* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
  	mono_postprocess_patches (cfg);
  
  #ifdef VALGRIND_JIT_REGISTER_MAP
  if (valgrind_register){
  		char* nm = mono_method_full_name (cfg->method, TRUE);
  		VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
  		g_free (nm);
  	}
  #endif
   
  	if (cfg->verbose_level > 0) {
  		char* nm = mono_method_full_name (cfg->method, TRUE);
  		g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n", 
  				 nm, 
  				 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
  		g_free (nm);
  	}
  
  	{
  		gboolean is_generic = FALSE;
  
  		if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
  				cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
  			is_generic = TRUE;
  		}
  
  		if (cfg->generic_sharing_context)
  			g_assert (is_generic);
  	}
  
  #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
  	mono_arch_save_unwind_info (cfg);
  #endif
  
  #if defined(__native_client_codegen__) && defined(__native_client__)
  	if (!cfg->compile_aot) {
  		if (cfg->method->dynamic) {
  			code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
  		} else {
  			code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
  		}
  	}
  #endif
  
  #if defined(__native_client_codegen__)
  	mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
  #endif
  
  	mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
  
  	if (cfg->method->dynamic) {
  		if (mono_using_xdebug)
  			mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
  		else
  			mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
  	} else {
  		mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
  	}
  #if defined(__native_client_codegen__) && defined(__native_client__)
  	cfg->native_code = code_dest;
  #endif
  	mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
  	
  	mono_arch_flush_icache (cfg->native_code, cfg->code_len);
  
  	mono_debug_close_method (cfg);
  
  #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
  	mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
  #endif
  }
  
  static void
  compute_reachable (MonoBasicBlock *bb)
  {
  	int i;
  
  	if (!(bb->flags & BB_VISITED)) {
  		bb->flags |= BB_VISITED;
  		for (i = 0; i < bb->out_count; ++i)
  			compute_reachable (bb->out_bb [i]);
  	}
  }
  
  static void
  mono_handle_out_of_line_bblock (MonoCompile *cfg)
  {
  	MonoBasicBlock *bb;
  	for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  		if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
  			MonoInst *ins;
  			MONO_INST_NEW (cfg, ins, OP_BR);
  			MONO_ADD_INS (bb, ins);
  			ins->inst_target_bb = bb->next_bb;
  		}
  	}
  }
  
  static MonoJitInfo*
  create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
  {
  	GSList *tmp;
  	MonoMethodHeader *header;
  	MonoJitInfo *jinfo;
  	int num_clauses;
  	int generic_info_size, arch_eh_info_size = 0;
  	int holes_size = 0, num_holes = 0, cas_size = 0;
  	guint32 stack_size = 0;
  
  	g_assert (method_to_compile == cfg->method);
  	header = cfg->header;
  
  	if (cfg->generic_sharing_context)
  		generic_info_size = sizeof (MonoGenericJitInfo);
  	else
  		generic_info_size = 0;
  
  	if (cfg->arch_eh_jit_info) {
  		MonoJitArgumentInfo *arg_info;
  		MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
  
  		/*
  		 * This cannot be computed during stack walking, as
  		 * mono_arch_get_argument_info () is not signal safe.
  		 */
  		arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
  		stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
  
  		if (stack_size)
  			arch_eh_info_size = sizeof (MonoArchEHJitInfo);
  	}
  		
  	if (cfg->try_block_holes) {
  		for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
  			TryBlockHole *hole = tmp->data;
  			MonoExceptionClause *ec = hole->clause;
  			int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
  			MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
  			g_assert (clause_last_bb);
  
  			/* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
  			if (clause_last_bb->native_offset != hole_end)
  				++num_holes;
  		}
  		if (num_holes)
  			holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
  		if (G_UNLIKELY (cfg->verbose_level >= 4))
  			printf ("Number of try block holes %d\n", num_holes);
  	}
  
  	if (mono_method_has_declsec (cfg->method_to_register)) {
  		cas_size = sizeof (MonoMethodCasInfo);
  	}
  
  	if (COMPILE_LLVM (cfg))
  		num_clauses = cfg->llvm_ex_info_len;
  	else
  		num_clauses = header->num_clauses;
  
  	if (cfg->method->dynamic) {
  		jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
  				generic_info_size + holes_size + arch_eh_info_size + cas_size);
  	} else {
  		jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
  				(num_clauses * sizeof (MonoJitExceptionInfo)) +
  				generic_info_size + holes_size + arch_eh_info_size + cas_size);
  	}
  
  	jinfo->method = cfg->method_to_register;
  	jinfo->code_start = cfg->native_code;
  	jinfo->code_size = cfg->code_len;
  	jinfo->used_regs = cfg->used_int_regs;
  	jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
  	jinfo->num_clauses = num_clauses;
  
  	if (COMPILE_LLVM (cfg))
  		jinfo->from_llvm = TRUE;
  
  	if (cfg->generic_sharing_context) {
  		MonoInst *inst;
  		MonoGenericJitInfo *gi;
  		GSList *loclist = NULL;
  
  		jinfo->has_generic_jit_info = 1;
  
  		gi = mono_jit_info_get_generic_jit_info (jinfo);
  		g_assert (gi);
  
  		gi->generic_sharing_context = cfg->generic_sharing_context;
  
  		if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
  				mini_method_get_context (method_to_compile)->method_inst ||
  				method_to_compile->klass->valuetype) {
  			g_assert (cfg->rgctx_var);
  		}
  
  		gi->has_this = 1;
  
  		if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
  				mini_method_get_context (method_to_compile)->method_inst ||
  				method_to_compile->klass->valuetype) {
  			inst = cfg->rgctx_var;
  			if (!COMPILE_LLVM (cfg))
  				g_assert (inst->opcode == OP_REGOFFSET);
  			loclist = cfg->rgctx_loclist;
  		} else {
  			inst = cfg->args [0];
  			loclist = cfg->this_loclist;
  		}
  
  		if (loclist) {
  			/* Needed to handle async exceptions */
  			GSList *l;
  			int i;
  
  			gi->nlocs = g_slist_length (loclist);
  			if (cfg->method->dynamic)
  				gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
  			else
  				gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
  			i = 0;
  			for (l = loclist; l; l = l->next) {
  				memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
  				i ++;
  			}
  		}
  
  		if (COMPILE_LLVM (cfg)) {
  			g_assert (cfg->llvm_this_reg != -1);
  			gi->this_in_reg = 0;
  			gi->this_reg = cfg->llvm_this_reg;
  			gi->this_offset = cfg->llvm_this_offset;
  		} else if (inst->opcode == OP_REGVAR) {
  			gi->this_in_reg = 1;
  			gi->this_reg = inst->dreg;
  		} else {
  			g_assert (inst->opcode == OP_REGOFFSET);
  #ifdef TARGET_X86
  			g_assert (inst->inst_basereg == X86_EBP);
  #elif defined(TARGET_AMD64)
  			g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
  #endif
  			g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
  
  			gi->this_in_reg = 0;
  			gi->this_reg = inst->inst_basereg;
  			gi->this_offset = inst->inst_offset;
  		}
  	}
  
  	if (num_holes) {
  		MonoTryBlockHoleTableJitInfo *table;
  		int i;
  
  		jinfo->has_try_block_holes = 1;
  		table = mono_jit_info_get_try_block_hole_table_info (jinfo);
  		table->num_holes = (guint16)num_holes;
  		i = 0;
  		for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
  			guint32 start_bb_offset;
  			MonoTryBlockHoleJitInfo *hole;
  			TryBlockHole *hole_data = tmp->data;
  			MonoExceptionClause *ec = hole_data->clause;
  			int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
  			MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
  			g_assert (clause_last_bb);
  
  			/* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
  			if (clause_last_bb->native_offset == hole_end)
  				continue;
  
  			start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
  			hole = &table->holes [i++];
  			hole->clause = hole_data->clause - &header->clauses [0];
  			hole->offset = (guint32)hole_data->start_offset;
  			hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
  
  			if (G_UNLIKELY (cfg->verbose_level >= 4))
  				printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
  		}
  		g_assert (i == num_holes);
  	}
  
  	if (arch_eh_info_size) {
  		MonoArchEHJitInfo *info;
  
  		jinfo->has_arch_eh_info = 1;
  		info = mono_jit_info_get_arch_eh_info (jinfo);
  
  		info->stack_size = stack_size;
  	}
  
  	if (cas_size) {
  		jinfo->has_cas_info = 1;
  	}
  
  	if (COMPILE_LLVM (cfg)) {
  		if (num_clauses)
  			memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
  	} else if (header->num_clauses) {
  		int i;
  
  		for (i = 0; i < header->num_clauses; i++) {
  			MonoExceptionClause *ec = &header->clauses [i];
  			MonoJitExceptionInfo *ei = &jinfo->clauses [i];
  			MonoBasicBlock *tblock;
  			MonoInst *exvar;
  
  			ei->flags = ec->flags;
  
  			exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
  			ei->exvar_offset = exvar ? exvar->inst_offset : 0;
  
  			if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
  				tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
  				g_assert (tblock);
  				ei->data.filter = cfg->native_code + tblock->native_offset;
  			} else {
  				ei->data.catch_class = ec->data.catch_class;
  			}
  
  			tblock = cfg->cil_offset_to_bb [ec->try_offset];
  			g_assert (tblock);
  			g_assert (tblock->native_offset);
  			ei->try_start = cfg->native_code + tblock->native_offset;
  			if (tblock->extend_try_block) {
  				/*
  				 * Extend the try block backwards to include parts of the previous call
  				 * instruction.
  				 */
  				ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
  			}
  			tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
  			g_assert (tblock);
  			if (!tblock->native_offset) {
  				int j, end;
  				for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
  					MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
  					if (bb && bb->native_offset) {
  						tblock = bb;
  						break;
  					}
  				}
  			}
  			ei->try_end = cfg->native_code + tblock->native_offset;
  			g_assert (tblock->native_offset);
  			tblock = cfg->cil_offset_to_bb [ec->handler_offset];
  			g_assert (tblock);
  			ei->handler_start = cfg->native_code + tblock->native_offset;
  
  			for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
  				TryBlockHole *hole = tmp->data;
  				gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
  				if (hole->clause == ec && hole_end == ei->try_end) {
  					if (G_UNLIKELY (cfg->verbose_level >= 4))
  						printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
  
  					ei->try_end = cfg->native_code + hole->start_offset;
  					break;
  				}
  			}
  
  			if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
  				int end_offset;
  				if (ec->handler_offset + ec->handler_len < header->code_size) {
  					tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
  					g_assert (tblock);
  					end_offset = tblock->native_offset;
  				} else {
  					end_offset = cfg->epilog_begin;
  				}
  				ei->data.handler_end = cfg->native_code + end_offset;
  			}
  		}
  	}
  
  	if (G_UNLIKELY (cfg->verbose_level >= 4)) {
  		int i;
  		for (i = 0; i < jinfo->num_clauses; i++) {
  			MonoJitExceptionInfo *ei = &jinfo->clauses [i];
  			int start = (guint8*)ei->try_start - cfg->native_code;
  			int end = (guint8*)ei->try_end - cfg->native_code;
  			int handler = (guint8*)ei->handler_start - cfg->native_code;
  
  			printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
  		}
  	}
  
  	/* 
  	 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
  	 * using it during runtime, hence the define.
  	 */
  #ifdef MONO_ARCH_HAVE_XP_UNWIND
  	if (cfg->encoded_unwind_ops) {
  		jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
  		g_free (cfg->encoded_unwind_ops);
  	} else if (cfg->unwind_ops) {
  		guint32 info_len;
  		guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
  
  		jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
  		g_free (unwind_info);
  	}
  #endif
  
  	return jinfo;
  }
  #endif
  
  /*
   * mini_get_shared_method:
   *
   *   Return the method which is actually compiled/registered when doing generic sharing.
   */
  MonoMethod*
  mini_get_shared_method (MonoMethod *method)
  {
  	MonoGenericContext shared_context;
  	MonoMethod *declaring_method, *res;
  	int i;
  	gboolean partial = FALSE;
  
  	if (method->is_generic || method->klass->generic_container)
  		declaring_method = method;
  	else
  		declaring_method = mono_method_get_declaring_generic_method (method);
  
  	if (declaring_method->is_generic)
  		shared_context = mono_method_get_generic_container (declaring_method)->context;
  	else
  		shared_context = declaring_method->klass->generic_container->context;
  
  	/* Handle partial sharing */
  	if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
  		MonoGenericContext *context = mono_method_get_context (method);
  		MonoGenericInst *inst;
  		MonoType **type_argv;
  
  		/* 
  		 * Create the shared context by replacing the ref type arguments with
  		 * type parameters, and keeping the rest.
  		 */
  		partial = TRUE;
  		inst = context->class_inst;
  		if (inst) {
  			type_argv = g_new0 (MonoType*, inst->type_argc);
  			for (i = 0; i < inst->type_argc; ++i) {
  				if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
  					type_argv [i] = shared_context.class_inst->type_argv [i];
  				else
  					type_argv [i] = inst->type_argv [i];
  			}
  
  			shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
  			g_free (type_argv);
  		}
  
  		inst = context->method_inst;
  		if (inst) {
  			type_argv = g_new0 (MonoType*, inst->type_argc);
  			for (i = 0; i < inst->type_argc; ++i) {
  				if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
  					type_argv [i] = shared_context.method_inst->type_argv [i];
  				else
  					type_argv [i] = inst->type_argv [i];
  			}
  
  			shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
  			g_free (type_argv);
  		}
  	}
  
      res = mono_class_inflate_generic_method (declaring_method, &shared_context);
  	if (!partial) {
  		/* The result should be an inflated method whose parent is not inflated */
  		g_assert (!res->klass->is_inflated);
  	}
  	return res;
  }
  
  #ifndef DISABLE_JIT
  /*
   * mini_method_compile:
   * @method: the method to compile
   * @opts: the optimization flags to use
   * @domain: the domain where the method will be compiled in
   * @run_cctors: whether we should run type ctors if possible
   * @compile_aot: whether this is an AOT compilation
   * @parts: debug flag
   *
   * Returns: a MonoCompile* pointer. Caller must check the exception_type
   * field in the returned struct to see if compilation succeded.
   */
  MonoCompile*
  mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
  {
  	MonoMethodHeader *header;
  	MonoMethodSignature *sig;
  	MonoError err;
  	guint8 *ip;
  	MonoCompile *cfg;
  	int dfn, i, code_size_ratio;
  	gboolean deadce_has_run = FALSE;
  	gboolean try_generic_shared, try_llvm = FALSE;
  	MonoMethod *method_to_compile, *method_to_register;
  
  	InterlockedIncrement (&mono_jit_stats.methods_compiled);
  	if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
  		mono_profiler_method_jit (method);
  	if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
  		MONO_PROBE_METHOD_COMPILE_BEGIN (method);
  
  	if (compile_aot)
  		/* 
  		 * We might get passed the original generic method definition or
  		 * instances with type parameters.
  		 * FIXME: Remove the method->klass->generic_class limitation.
  		 */
  		try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
  			(opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
  	else
  		try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
  			(opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
  
  	if (opts & MONO_OPT_GSHARED) {
  		if (try_generic_shared)
  			mono_stats.generics_sharable_methods++;
  		else if (mono_method_is_generic_impl (method))
  			mono_stats.generics_unsharable_methods++;
  	}
  
  #ifdef ENABLE_LLVM
  	try_llvm = mono_use_llvm;
  #endif
  
   restart_compile:
  	if (try_generic_shared) {
  		method_to_compile = mini_get_shared_method (method);
  		g_assert (method_to_compile);
  	} else {
  		method_to_compile = method;
  	}
  
  	cfg = g_new0 (MonoCompile, 1);
  	cfg->method = method_to_compile;
  	cfg->header = mono_method_get_header (cfg->method);
  	cfg->mempool = mono_mempool_new ();
  	cfg->opt = opts;
  	cfg->prof_options = mono_profiler_get_events ();
  	cfg->run_cctors = run_cctors;
  	cfg->domain = domain;
  	cfg->verbose_level = mini_verbose;
  	cfg->compile_aot = compile_aot;
  	cfg->skip_visibility = method->skip_visibility;
  	cfg->orig_method = method;
  	cfg->gen_seq_points = debug_options.gen_seq_points;
  	cfg->explicit_null_checks = debug_options.explicit_null_checks;
  	cfg->soft_breakpoints = debug_options.soft_breakpoints;
  	if (try_generic_shared)
  		cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
  	cfg->compile_llvm = try_llvm;
  	cfg->token_info_hash = g_hash_table_new (NULL, NULL);
  
  	if (cfg->gen_seq_points)
  		cfg->seq_points = g_ptr_array_new ();
  
  	if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
  		cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
  		return cfg;
  	}
  
  	if (cfg->generic_sharing_context) {
  		method_to_register = method_to_compile;
  	} else {
  		g_assert (method == method_to_compile);
  		method_to_register = method;
  	}
  	cfg->method_to_register = method_to_register;
  
  	mono_error_init (&err);
  	sig = mono_method_signature_checked (cfg->method, &err);	
  	if (!sig) {
  		cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
  		cfg->exception_message = g_strdup (mono_error_get_message (&err));
  		mono_error_cleanup (&err);
  		if (MONO_METHOD_COMPILE_END_ENABLED ())
  			MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
  		return cfg;
  	}
  
  	header = cfg->header;
  	if (!header) {
  		MonoLoaderError *error;
  
  		if ((error = mono_loader_get_last_error ())) {
  			cfg->exception_type = error->exception_type;
  		} else {
  			cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
  			cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
  		}
  		if (MONO_METHOD_COMPILE_END_ENABLED ())
  			MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
  		return cfg;
  	}
  
  #ifdef ENABLE_LLVM
  	{
  		static gboolean inited;
  
  		if (!inited) {
  			inited = TRUE;
  		}
  
  		/* 
  		 * Check for methods which cannot be compiled by LLVM early, to avoid
  		 * the extra compilation pass.
  		 */
  		if (COMPILE_LLVM (cfg)) {
  			mono_llvm_check_method_supported (cfg);
  			if (cfg->disable_llvm) {
  				if (cfg->verbose_level >= 1) {
  					//nm = mono_method_full_name (cfg->method, TRUE);
  					printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
  					//g_free (nm);
  				}
  				mono_destroy_compile (cfg);
  				try_llvm = FALSE;
  				goto restart_compile;
  			}
  		}
  	}
  #endif
  
  	/* The debugger has no liveness information, so avoid sharing registers/stack slots */
  	if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
  		cfg->disable_reuse_registers = TRUE;
  		cfg->disable_reuse_stack_slots = TRUE;
  		/* 
  		 * This decreases the change the debugger will read registers/stack slots which are
  		 * not yet initialized.
  		 */
  		cfg->disable_initlocals_opt = TRUE;
  
  		cfg->extend_live_ranges = TRUE;
  
  		/* Temporarily disable this when running in the debugger until we have support
  		 * for this in the debugger. */
  		/* This is no longer needed with sdb */
  		//cfg->disable_omit_fp = TRUE;
  
  		/* The debugger needs all locals to be on the stack or in a global register */
  		cfg->disable_vreg_to_lvreg = TRUE;
  
  		/* Don't remove unused variables when running inside the debugger since the user
  		 * may still want to view them. */
  		cfg->disable_deadce_vars = TRUE;
  
  		// cfg->opt |= MONO_OPT_SHARED;
  		cfg->opt &= ~MONO_OPT_DEADCE;
  		cfg->opt &= ~MONO_OPT_INLINE;
  		cfg->opt &= ~MONO_OPT_COPYPROP;
  		cfg->opt &= ~MONO_OPT_CONSPROP;
  		/* This is no longer needed with sdb */
  		//cfg->opt &= ~MONO_OPT_GSHARED;
  
  		/* This is needed for the soft debugger, which doesn't like code after the epilog */
  		cfg->disable_out_of_line_bblocks = TRUE;
  	}
  
  	if (mono_using_xdebug) {
  		/* 
  		 * Make each variable use its own register/stack slot and extend 
  		 * their liveness to cover the whole method, making them displayable
  		 * in gdb even after they are dead.
  		 */
  		cfg->disable_reuse_registers = TRUE;
  		cfg->disable_reuse_stack_slots = TRUE;
  		cfg->extend_live_ranges = TRUE;
  		cfg->compute_precise_live_ranges = TRUE;
  	}
  
  	mini_gc_init_cfg (cfg);
  
  	if (COMPILE_LLVM (cfg)) {
  		cfg->opt |= MONO_OPT_ABCREM;
  	}
  
  	if (getenv ("MONO_VERBOSE_METHOD")) {
  		char *name = getenv ("MONO_VERBOSE_METHOD");
  
  		if ((strchr (name, '.') > name) || strchr (name, ':')) {
  			MonoMethodDesc *desc;
  			
  			desc = mono_method_desc_new (name, TRUE);
  			if (mono_method_desc_full_match (desc, cfg->method)) {
  				cfg->verbose_level = 4;
  			}
  			mono_method_desc_free (desc);
  		} else {
  			if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
  				cfg->verbose_level = 4;
  		}
  	}
  
  	ip = (guint8 *)header->code;
  
  	cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
  
  	if (cfg->verbose_level > 0) {
  		char *method_name;
  		if (COMPILE_LLVM (cfg))
  			g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
  		else if (cfg->generic_sharing_context)
  			g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
  		else
  			g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
  		g_free (method_name);
  	}
  
  	if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
  		cfg->opt |= MONO_OPT_SSA;
  
  	/* 
  	if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
  		cfg->globalra = TRUE;
  	*/
  
  	//cfg->globalra = TRUE;
  
  	//if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
  	//	cfg->globalra = TRUE;
  
  	{
  		static int count = 0;
  		count ++;
  
  		/*
  		if (getenv ("COUNT2")) {
  			cfg->globalra = TRUE;
  			if (count == atoi (getenv ("COUNT2")))
  				printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
  			if (count > atoi (getenv ("COUNT2")))
  				cfg->globalra = FALSE;
  		}
  		*/
  	}
  
  	if (header->clauses)
  		cfg->globalra = FALSE;
  
  	if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
  		/* The code in the prolog clobbers caller saved registers */
  		cfg->globalra = FALSE;
  
  	// FIXME: Disable globalra in case of tracing/profiling
  
  	if (cfg->method->save_lmf)
  		/* The LMF saving code might clobber caller saved registers */
  		cfg->globalra = FALSE;
  
  	if (header->code_size > 5000)
  		// FIXME:
  		/* Too large bblocks could overflow the ins positions */
  		cfg->globalra = FALSE;
  
  	cfg->rs = mono_regstate_new ();
  	if (cfg->globalra)
  		cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
  	cfg->next_vreg = cfg->rs->next_vreg;
  
  	/* FIXME: Fix SSA to handle branches inside bblocks */
  	if (cfg->opt & MONO_OPT_SSA)
  		cfg->enable_extended_bblocks = FALSE;
  
  	/*
  	 * FIXME: This confuses liveness analysis because variables which are assigned after
  	 * a branch inside a bblock become part of the kill set, even though the assignment
  	 * might not get executed. This causes the optimize_initlocals pass to delete some
  	 * assignments which are needed.
  	 * Also, the mono_if_conversion pass needs to be modified to recognize the code
  	 * created by this.
  	 */
  	//cfg->enable_extended_bblocks = TRUE;
  
  	/*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
  	if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
  		if (mini_get_debug_options ()->break_on_unverified)
  			G_BREAKPOINT ();
  		return cfg;
  	}
  
  	/*
  	 * create MonoInst* which represents arguments and local variables
  	 */
  	mono_compile_create_vars (cfg);
  
  	/* SSAPRE is not supported on linear IR */
  	cfg->opt &= ~MONO_OPT_SSAPRE;
  
  	i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
  
  	if (i < 0) {
  		if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
  			if (compile_aot) {
  				if (MONO_METHOD_COMPILE_END_ENABLED ())
  					MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
  				return cfg;
  			}
  			mono_destroy_compile (cfg);
  			try_generic_shared = FALSE;
  			goto restart_compile;
  		}
  		g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
  
  		if (MONO_METHOD_COMPILE_END_ENABLED ())
  			MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
  		/* cfg contains the details of the failure, so let the caller cleanup */
  		return cfg;
  	}
  
  	cfg->stat_basic_blocks += cfg->num_bblocks;
  
  	if (COMPILE_LLVM (cfg)) {
  		MonoInst *ins;
  
  		/* The IR has to be in SSA form for LLVM */
  		cfg->opt |= MONO_OPT_SSA;
  
  		// FIXME:
  		if (cfg->ret) {
  			// Allow SSA on the result value
  			cfg->ret->flags &= ~MONO_INST_VOLATILE;
  
  			// Add an explicit return instruction referencing the return value
  			MONO_INST_NEW (cfg, ins, OP_SETRET);
  			ins->sreg1 = cfg->ret->dreg;
  
  			MONO_ADD_INS (cfg->bb_exit, ins);
  		}
  
  		cfg->opt &= ~MONO_OPT_LINEARS;
  
  		/* FIXME: */
  		cfg->opt &= ~MONO_OPT_BRANCH;
  	}
  
  	/* todo: remove code when we have verified that the liveness for try/catch blocks
  	 * works perfectly 
  	 */
  	/* 
  	 * Currently, this can't be commented out since exception blocks are not
  	 * processed during liveness analysis.
  	 * It is also needed, because otherwise the local optimization passes would
  	 * delete assignments in cases like this:
  	 * r1 <- 1
  	 * <something which throws>
  	 * r1 <- 2
  	 * This also allows SSA to be run on methods containing exception clauses, since
  	 * SSA will ignore variables marked VOLATILE.
  	 */
  	mono_liveness_handle_exception_clauses (cfg);
  
  	mono_handle_out_of_line_bblock (cfg);
  
  	/*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
  
  	if (!COMPILE_LLVM (cfg))
  		mono_decompose_long_opts (cfg);
  
  	/* Should be done before branch opts */
  	if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
  		mono_local_cprop (cfg);
  
  	if (cfg->opt & MONO_OPT_BRANCH)
  		mono_optimize_branches (cfg);
  
  	/* This must be done _before_ global reg alloc and _after_ decompose */
  	mono_handle_global_vregs (cfg);
  	if (cfg->opt & MONO_OPT_DEADCE)
  		mono_local_deadce (cfg);
  	/* Disable this for LLVM to make the IR easier to handle */
  	if (!COMPILE_LLVM (cfg))
  		mono_if_conversion (cfg);
  
  	if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
  		mono_remove_critical_edges (cfg);
  
  	/* Depth-first ordering on basic blocks */
  	cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
  
  	cfg->max_block_num = cfg->num_bblocks;
  
  	dfn = 0;
  	df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
  	if (cfg->num_bblocks != dfn + 1) {
  		MonoBasicBlock *bb;
  
  		cfg->num_bblocks = dfn + 1;
  
  		/* remove unreachable code, because the code in them may be 
  		 * inconsistent  (access to dead variables for example) */
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  			bb->flags &= ~BB_VISITED;
  		compute_reachable (cfg->bb_entry);
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  			if (bb->flags & BB_EXCEPTION_HANDLER)
  				compute_reachable (bb);
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  			if (!(bb->flags & BB_VISITED)) {
  				if (cfg->verbose_level > 1)
  					g_print ("found unreachable code in BB%d\n", bb->block_num);
  				bb->code = bb->last_ins = NULL;
  				while (bb->out_count)
  					mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
  			}
  		}
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  			bb->flags &= ~BB_VISITED;
  	}
  
  	if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
  		/* 
  		 * we disable some optimizations if there are too many variables
  		 * because JIT time may become too expensive. The actual number needs 
  		 * to be tweaked and eventually the non-linear algorithms should be fixed.
  		 */
  		cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
  		cfg->disable_ssa = TRUE;
  	}
  
  	if (cfg->opt & MONO_OPT_LOOP) {
  		mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
  		mono_compute_natural_loops (cfg);
  	}
  
  	/* after method_to_ir */
  	if (parts == 1) {
  		if (MONO_METHOD_COMPILE_END_ENABLED ())
  			MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
  		return cfg;
  	}
  
  	/*
  	  if (header->num_clauses)
  	  cfg->disable_ssa = TRUE;
  	*/
  
  //#define DEBUGSSA "logic_run"
  #define DEBUGSSA_CLASS "Tests"
  #ifdef DEBUGSSA
  
  	if (!cfg->disable_ssa) {
  		mono_local_cprop (cfg);
  
  #ifndef DISABLE_SSA
  		mono_ssa_compute (cfg);
  #endif
  	}
  #else 
  	if (cfg->opt & MONO_OPT_SSA) {
  		if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
  #ifndef DISABLE_SSA
  			mono_ssa_compute (cfg);
  #endif
  
  			if (cfg->verbose_level >= 2) {
  				print_dfn (cfg);
  			}
  		}
  	}
  #endif
  
  	/* after SSA translation */
  	if (parts == 2) {
  		if (MONO_METHOD_COMPILE_END_ENABLED ())
  			MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
  		return cfg;
  	}
  
  	if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
  		if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
  #ifndef DISABLE_SSA
  			mono_ssa_cprop (cfg);
  #endif
  		}
  	}
  
  #ifndef DISABLE_SSA
  	if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
  		//mono_ssa_strength_reduction (cfg);
  
  		if (cfg->opt & MONO_OPT_SSAPRE) {
  			mono_perform_ssapre (cfg);
  			//mono_local_cprop (cfg);
  		}
  
  		if (cfg->opt & MONO_OPT_DEADCE) {
  			mono_ssa_deadce (cfg);
  			deadce_has_run = TRUE;
  		}
  
  		if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
  			mono_perform_abc_removal (cfg);
  
  		mono_ssa_remove (cfg);
  		mono_local_cprop (cfg);
  		mono_handle_global_vregs (cfg);
  		if (cfg->opt & MONO_OPT_DEADCE)
  			mono_local_deadce (cfg);
  
  		if (cfg->opt & MONO_OPT_BRANCH) {
  			MonoBasicBlock *bb;
  
  			mono_optimize_branches (cfg);
  
  			/* Have to recompute cfg->bblocks and bb->dfn */
  			if (cfg->globalra) {
  				mono_remove_critical_edges (cfg);
  
  				for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  					bb->dfn = 0;
  
  				/* Depth-first ordering on basic blocks */
  				cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
  
  				dfn = 0;
  				df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
  				cfg->num_bblocks = dfn + 1;
  			}
  		}
  	}
  #endif
  
  	if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
  		/* This removes MONO_INST_FAULT flags too so perform it unconditionally */
  		if (cfg->opt & MONO_OPT_ABCREM)
  			mono_perform_abc_removal (cfg);
  	}
  
  	/* after SSA removal */
  	if (parts == 3) {
  		if (MONO_METHOD_COMPILE_END_ENABLED ())
  			MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
  		return cfg;
  	}
  
  #ifdef MONO_ARCH_SOFT_FLOAT
  	if (!COMPILE_LLVM (cfg))
  		mono_decompose_soft_float (cfg);
  #endif
  	if (!COMPILE_LLVM (cfg))
  		mono_decompose_vtype_opts (cfg);
  	if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
  		mono_decompose_array_access_opts (cfg);
  
  	if (cfg->got_var) {
  #ifndef MONO_ARCH_GOT_REG
  		GList *regs;
  #endif
  		int got_reg;
  
  		g_assert (cfg->got_var_allocated);
  
  		/* 
  		 * Allways allocate the GOT var to a register, because keeping it
  		 * in memory will increase the number of live temporaries in some
  		 * code created by inssel.brg, leading to the well known spills+
  		 * branches problem. Testcase: mcs crash in 
  		 * System.MonoCustomAttrs:GetCustomAttributes.
  		 */
  #ifdef MONO_ARCH_GOT_REG
  		got_reg = MONO_ARCH_GOT_REG;
  #else
  		regs = mono_arch_get_global_int_regs (cfg);
  		g_assert (regs);
  		got_reg = GPOINTER_TO_INT (regs->data);
  		g_list_free (regs);
  #endif
  		cfg->got_var->opcode = OP_REGVAR;
  		cfg->got_var->dreg = got_reg;
  		cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
  	}
  
  	/*
  	 * Have to call this again to process variables added since the first call.
  	 */
  	mono_liveness_handle_exception_clauses (cfg);
  
  	if (cfg->globalra) {
  		MonoBasicBlock *bb;
  
  		/* Have to do this before regalloc since it can create vregs */
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
  			mono_arch_lowering_pass (cfg, bb);
  
  		mono_global_regalloc (cfg);
  	}
  
  	if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
  		GList *vars, *regs, *l;
  		
  		/* fixme: maybe we can avoid to compute livenesss here if already computed ? */
  		cfg->comp_done &= ~MONO_COMP_LIVENESS;
  		if (!(cfg->comp_done & MONO_COMP_LIVENESS))
  			mono_analyze_liveness (cfg);
  
  		if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
  			regs = mono_arch_get_global_int_regs (cfg);
  			/* Remove the reg reserved for holding the GOT address */
  			if (cfg->got_var) {
  				for (l = regs; l; l = l->next) {
  					if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
  						regs = g_list_delete_link (regs, l);
  						break;
  					}
  				}
  			}
  			mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
  		}
  	}
  
  	//mono_print_code (cfg, "");
  
      //print_dfn (cfg);
  	
  	/* variables are allocated after decompose, since decompose could create temps */
  	if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
  		mono_arch_allocate_vars (cfg);
  		if (cfg->exception_type)
  			return cfg;
  	}
  
  	{
  		MonoBasicBlock *bb;
  		gboolean need_local_opts;
  
  		if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
  			mono_spill_global_vars (cfg, &need_local_opts);
  
  			if (need_local_opts || cfg->compile_aot) {
  				/* To optimize code created by spill_global_vars */
  				mono_local_cprop (cfg);
  				if (cfg->opt & MONO_OPT_DEADCE)
  					mono_local_deadce (cfg);
  			}
  		}
  
  		/* Add branches between non-consecutive bblocks */
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  			if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
  				bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
  				/* we are careful when inverting, since bugs like #59580
  				 * could show up when dealing with NaNs.
  				 */
  				if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
  					MonoBasicBlock *tmp =  bb->last_ins->inst_true_bb;
  					bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
  					bb->last_ins->inst_false_bb = tmp;
  
  					bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
  				} else {			
  					MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
  					inst->opcode = OP_BR;
  					inst->inst_target_bb = bb->last_ins->inst_false_bb;
  					mono_bblock_add_inst (bb, inst);
  				}
  			}
  		}
  
  		if (cfg->verbose_level >= 4 && !cfg->globalra) {
  			for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  				MonoInst *tree = bb->code;	
  				g_print ("DUMP BLOCK %d:\n", bb->block_num);
  				if (!tree)
  					continue;
  				for (; tree; tree = tree->next) {
  					mono_print_ins_index (-1, tree);
  				}
  			}
  		}
  
  		/* FIXME: */
  		for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
  			bb->max_vreg = cfg->next_vreg;
  		}
  	}
  
  	if (COMPILE_LLVM (cfg)) {
  #ifdef ENABLE_LLVM
  		char *nm;
  
  		/* The IR has to be in SSA form for LLVM */
  		if (!(cfg->comp_done & MONO_COMP_SSA)) {
  			cfg->exception_message = g_strdup ("SSA disabled.");
  			cfg->disable_llvm = TRUE;
  		}
  
  		if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
  			mono_decompose_array_access_opts (cfg);
  
  		if (!cfg->disable_llvm)
  			mono_llvm_emit_method (cfg);
  		if (cfg->disable_llvm) {
  			if (cfg->verbose_level >= 1) {
  				//nm = mono_method_full_name (cfg->method, TRUE);
  				printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
  				//g_free (nm);
  			}
  			mono_destroy_compile (cfg);
  			try_llvm = FALSE;
  			goto restart_compile;
  		}
  
  		if (cfg->verbose_level > 0 && !cfg->compile_aot) {
  			nm = mono_method_full_name (cfg->method, TRUE);
  			g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n", 
  					 nm, 
  					 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
  			g_free (nm);
  		}
  #endif
  	} else {
  		mono_codegen (cfg);
  	}
  
  	if (COMPILE_LLVM (cfg))
  		InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
  	else
  		InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
  
  	cfg->jit_info = create_jit_info (cfg, method_to_compile);
  
  #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
  	if (cfg->extend_live_ranges) {
  		/* Extend live ranges to cover the whole method */
  		for (i = 0; i < cfg->num_varinfo; ++i)
  			MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
  	}
  #endif
  
  	if (!cfg->compile_aot)
  		mono_save_xdebug_info (cfg);
  
  	mini_gc_create_gc_map (cfg);
   
  	mono_save_seq_point_info (cfg);
  
  	if (cfg->verbose_level >= 2) {
  		char *id =  mono_method_full_name (cfg->method, FALSE);
  		mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
  		g_free (id);
  	}
  
  	if (!cfg->compile_aot) {
  		mono_domain_lock (cfg->domain);
  		mono_jit_info_table_add (cfg->domain, cfg->jit_info);
  
  		if (cfg->method->dynamic)
  			mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
  		mono_domain_unlock (cfg->domain);
  	}
  
  	/* collect statistics */
  #ifndef DISABLE_PERFCOUNTERS
  	mono_perfcounters->jit_methods++;
  	mono_perfcounters->jit_bytes += header->code_size;
  #endif
  	mono_jit_stats.allocated_code_size += cfg->code_len;
  	code_size_ratio = cfg->code_len;
  	if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
  		mono_jit_stats.biggest_method_size = code_size_ratio;
  		g_free (mono_jit_stats.biggest_method);
  		mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
  	}
  	code_size_ratio = (code_size_ratio * 100) / header->code_size;
  	if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
  		mono_jit_stats.max_code_size_ratio = code_size_ratio;
  		g_free (mono_jit_stats.max_ratio_method);
  		mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
  	}
  	mono_jit_stats.native_code_size += cfg->code_len;
  
  	if (MONO_METHOD_COMPILE_END_ENABLED ())
  		MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
  
  	return cfg;
  }
  
  #else
  
  MonoCompile*
  mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
  {
  	g_assert_not_reached ();
  	return NULL;
  }
  
  #endif /* DISABLE_JIT */
  
  MonoJitInfo*
  mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
  {
  	static gboolean inited = FALSE;
  	static int lookups = 0;
  	static int failed_lookups = 0;
  	MonoJitInfo *ji;
  
  	ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
  	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;
  
  	return ji;
  }
  
  /*
   * LOCKING: Assumes domain->jit_code_hash_lock is held.
   */
  static MonoJitInfo*
  lookup_method_inner (MonoDomain *domain, MonoMethod *method)
  {
  	MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
  
  	if (ji)
  		return ji;
  
  	if (!mono_method_is_generic_sharable_impl (method, FALSE))
  		return NULL;
  	return mono_domain_lookup_shared_generic (domain, method);
  }
  
  static MonoJitInfo*
  lookup_method (MonoDomain *domain, MonoMethod *method)
  {
  	MonoJitInfo *info;
  
  	mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
  	mono_domain_jit_code_hash_lock (domain);
  	info = lookup_method_inner (domain, method);
  	mono_domain_jit_code_hash_unlock (domain);
  	mono_loader_unlock ();
  
  	return info;
  }
  
  #if ENABLE_JIT_MAP
  static FILE* perf_map_file = NULL;
  
  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->method, 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 gpointer
  mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
  {
  	MonoCompile *cfg;
  	gpointer code = NULL;
  	MonoJitInfo *jinfo, *info;
  	MonoVTable *vtable;
  	MonoException *ex = NULL;
  	guint32 prof_options;
  	GTimer *jit_timer;
  	MonoMethod *prof_method;
  
  #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 (domain, method))) {
  			vtable = mono_class_vtable (domain, method->klass);
  			g_assert (vtable);
  			mono_runtime_class_init (vtable);
  
  			return code;
  		}
  	}
  #endif
  
  	if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
  	    (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
  		MonoMethod *nm;
  		MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
  
  		if (!piinfo->addr) {
  			if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
  				piinfo->addr = mono_lookup_internal_call (method);
  			else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
  #ifdef HOST_WIN32
  				g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
  #else
  				g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
  #endif
  			else
  				mono_lookup_pinvoke_call (method, NULL, NULL);
  		}
  		nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
  		code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
  		jinfo = mono_jit_info_table_find (target_domain, code);
  		if (!jinfo)
  			jinfo = mono_jit_info_table_find (mono_domain_get (), code);
  		if (jinfo)
  			mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
  		return code;
  
  		//if (mono_debug_format != MONO_DEBUG_FORMAT_NONE) 
  		//mono_debug_add_wrapper (method, nm);
  	} else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
  		const char *name = method->name;
  		char *full_name, *msg;
  		MonoMethod *nm;
  
  		if (method->klass->parent == mono_defaults.multicastdelegate_class) {
  			if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
  				MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
  				g_assert (mi);
  				/*
  				 * We need to make sure this wrapper
  				 * is compiled because it might end up
  				 * in an (M)RGCTX if generic sharing
  				 * is enabled, and would be called
  				 * indirectly.  If it were a
  				 * trampoline we'd try to patch that
  				 * indirect call, which is not
  				 * possible.
  				 */
  				return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
  			} else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
  #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
  				return mono_create_delegate_trampoline (target_domain, method->klass);
  #else
  				nm = mono_marshal_get_delegate_invoke (method, NULL);
  				return mono_get_addr_from_ftnptr (mono_compile_method (nm));
  #endif
  			} else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
  				nm = mono_marshal_get_delegate_begin_invoke (method);
  				return mono_get_addr_from_ftnptr (mono_compile_method (nm));
  			} else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
  				nm = mono_marshal_get_delegate_end_invoke (method);
  				return mono_get_addr_from_ftnptr (mono_compile_method (nm));
  			}
  		}
  
  		full_name = mono_method_full_name (method, TRUE);
  		msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
  		*jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
  		g_free (full_name);
  		g_free (msg);
  		return NULL;
  	}
  
  	if (mono_aot_only) {
  		char *fullname = mono_method_full_name (method, TRUE);
  		char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
  
  		*jit_ex = mono_get_exception_execution_engine (msg);
  		g_free (fullname);
  		g_free (msg);
  		
  		return NULL;
  	}
  
  	jit_timer = g_timer_new ();
  
  	cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
  	prof_method = cfg->method;
  
  	g_timer_stop (jit_timer);
  	mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
  	g_timer_destroy (jit_timer);
  
  	switch (cfg->exception_type) {
  	case MONO_EXCEPTION_NONE:
  		break;
  	case MONO_EXCEPTION_TYPE_LOAD:
  	case MONO_EXCEPTION_MISSING_FIELD:
  	case MONO_EXCEPTION_MISSING_METHOD:
  	case MONO_EXCEPTION_FILE_NOT_FOUND:
  	case MONO_EXCEPTION_BAD_IMAGE: {
  		/* Throw a type load exception if needed */
  		MonoLoaderError *error = mono_loader_get_last_error ();
  
  		if (error) {
  			ex = mono_loader_error_prepare_exception (error);
  		} else {
  			if (cfg->exception_ptr) {
  				ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
  			} else {
  				if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
  					ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
  				else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
  					ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
  				else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
  					ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
  				else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
  					ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
  				else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
  					ex = mono_get_exception_bad_image_format (cfg->exception_message);
  				else
  					g_assert_not_reached ();
  			}
  		}
  		break;
  	}
  	case MONO_EXCEPTION_INVALID_PROGRAM:
  		ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
  		break;
  	case MONO_EXCEPTION_UNVERIFIABLE_IL:
  		ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
  		break;
  	case MONO_EXCEPTION_METHOD_ACCESS:
  		ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
  		break;
  	case MONO_EXCEPTION_FIELD_ACCESS:
  		ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
  		break;
  	/* this can only be set if the security manager is active */
  	case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
  		MonoSecurityManager* secman = mono_security_manager_get_methods ();
  		MonoObject *exc = NULL;
  		gpointer args [2];
  
  		args [0] = &cfg->exception_data;
  		args [1] = &method;
  		mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
  
  		ex = (MonoException*)exc;
  		break;
  	}
  	case MONO_EXCEPTION_OBJECT_SUPPLIED: {
  		MonoException *exp = cfg->exception_ptr;
  		MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
  
  		ex = exp;
  		break;
  	}
  	case MONO_EXCEPTION_OUT_OF_MEMORY:
  		ex = mono_domain_get ()->out_of_memory_ex;
  		break;
  	default:
  		g_assert_not_reached ();
  	}
  
  	if (ex) {
  		if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
  			mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
  
  		mono_destroy_compile (cfg);
  		*jit_ex = ex;
  
  		return NULL;
  	}
  
  	mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
  	mono_domain_lock (target_domain);
  
  	/* Check if some other thread already did the job. In this case, we can
         discard the code this thread generated. */
  
  	mono_domain_jit_code_hash_lock (target_domain);
  
  	info = lookup_method_inner (target_domain, method);
  	if (info) {
  		/* We can't use a domain specific method in another domain */
  		if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
  			code = info->code_start;
  //			printf("Discarding code for method %s\n", method->name);
  		}
  	}
  	
  	if (code == NULL) {
  		mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
  		mono_domain_jit_code_hash_unlock (target_domain);
  		code = cfg->native_code;
  
  		if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
  			mono_stats.generics_shared_methods++;
  	} else {
  		mono_domain_jit_code_hash_unlock (target_domain);
  	}
  
  	jinfo = cfg->jit_info;
  
  	prof_options = cfg->prof_options;
  
  	/*
  	 * Update global stats while holding a lock, instead of doing many
  	 * InterlockedIncrement operations during JITting.
  	 */
  	mono_jit_stats.allocate_var += cfg->stat_allocate_var;
  	mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
  	mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
  	mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
  	mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
  	mono_jit_stats.regvars += cfg->stat_n_regvars;
  	mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
  	mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
  	mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
  	mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
  
  	mono_destroy_compile (cfg);
  
  #ifndef DISABLE_JIT
  	if (domain_jit_info (target_domain)->jump_target_hash) {
  		MonoJumpInfo patch_info;
  		MonoJumpList *jlist;
  		GSList *tmp;
  		jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
  		if (jlist) {
  			patch_info.next = NULL;
  			patch_info.ip.i = 0;
  			patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
  			patch_info.data.method = method;
  			g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
  
  			for (tmp = jlist->list; tmp; tmp = tmp->next)
  				mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
  		}
  	}
  
  	mono_emit_jit_map (jinfo);
  #endif
  	mono_domain_unlock (target_domain);
  	mono_loader_unlock ();
  
  	vtable = mono_class_vtable (target_domain, method->klass);
  	if (!vtable) {
  		ex = mono_class_get_exception_for_failure (method->klass);
  		g_assert (ex);
  		*jit_ex = ex;
  		return NULL;
  	}
  
  	if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
  		if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
  			if (mono_marshal_method_from_wrapper (method)) {
  				/* Native func wrappers have no method */
  				/* The profiler doesn't know about wrappers, so pass the original icall method */
  				mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
  			}
  		}
  		mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
  		if (prof_method != method) {
  			mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
  		}
  	}
  
  	ex = mono_runtime_class_init_full (vtable, FALSE);
  	if (ex) {
  		*jit_ex = ex;
  		return NULL;
  	}
  	return code;
  }
  
  static gpointer
  mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
  {
  	MonoDomain *target_domain, *domain = mono_domain_get ();
  	MonoJitInfo *info;
  	gpointer code, p;
  	MonoJitICallInfo *callinfo = NULL;
  
  	/*
  	 * 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) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
  		const char *icall_name;
  
  		icall_name = method->name + strlen ("__icall_wrapper_");
  		g_assert (icall_name);
  		callinfo = mono_find_jit_icall_by_name (icall_name);
  		g_assert (callinfo);
  
  		/* Must be domain neutral since there is only one copy */
  		opt |= MONO_OPT_SHARED;
  	}
  
  	if (method->dynamic)
  		opt &= ~MONO_OPT_SHARED;
  
  	/* These methods can become invalid when a domain is unloaded */
  	if (method->klass->image != mono_get_corlib () || method->is_inflated)
  		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)
  			method = info->d.synchronized_inner.method;
  	}
  
  	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;
  			MonoException *tmpEx;
  
  			mono_jit_stats.methods_lookups++;
  			vtable = mono_class_vtable (domain, method->klass);
  			g_assert (vtable);
  			tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
  			if (tmpEx) {
  				*ex = tmpEx;
  				return NULL;
  			}
  			return mono_create_ftnptr (target_domain, info->code_start);
  		}
  	}
  
  	code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
  	if (!code)
  		return NULL;
  
  	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_debug_add_icall_wrapper (method, callinfo);
  		}
  		mono_jit_unlock ();
  		mono_loader_unlock ();
  	}
  
  	return p;
  }
  
  gpointer
  mono_jit_compile_method (MonoMethod *method)
  {
  	MonoException *ex = NULL;
  	gpointer code;
  
  	code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
  	if (!code) {
  		g_assert (ex);
  		mono_raise_exception (ex);
  	}
  
  	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_domain_lock (domain);
  	g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
  	mono_internal_hash_table_remove (&domain->jit_code_hash, method);
  	g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
  	g_hash_table_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 = 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 (jlist->list, 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;
  }
  
  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;
  } RuntimeInvokeInfo;
  
  /**
   * mono_jit_runtime_invoke:
   * @method: the method to invoke
   * @obj: this pointer
   * @params: array of parameter values.
   * @exc: used to catch exceptions objects
   */
  static MonoObject*
  mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
  {
  	MonoMethod *invoke;
  	MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
  	MonoDomain *domain = mono_domain_get ();
  	MonoJitDomainInfo *domain_info;
  	RuntimeInvokeInfo *info, *info2;
  	
  	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);
  
  	mono_domain_lock (domain);
  	info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
  	mono_domain_unlock (domain);		
  
  	if (!info) {
  		if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
  			/* 
  			 * 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 (method->klass->exception_type != MONO_EXCEPTION_NONE) {
  				if (exc)
  					*exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
  				else
  					mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
  				return NULL;
  			}
  		}
  
  		info = g_new0 (RuntimeInvokeInfo, 1);
  
  		invoke = mono_marshal_get_runtime_invoke (method, FALSE);
  		info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
  		g_assert (info->vtable);
  
  		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.
  			 */
  			info->compiled_method = NULL;
  		} else {
  			MonoException *jit_ex = NULL;
  
  			info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
  			if (!info->compiled_method) {
  				g_free (info);
  				g_assert (jit_ex);
  				if (exc) {
  					*exc = (MonoObject*)jit_ex;
  					return NULL;
  				} else {
  					mono_raise_exception (jit_ex);
  				}
  			}
  
  			if (mono_method_needs_static_rgctx_invoke (method, FALSE))
  				info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
  		}
  
  		/*
  		 * 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_aot_only || debug_options.dyn_runtime_invoke) {
  			MonoMethodSignature *sig = mono_method_signature (method);
  			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->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
  					supported = FALSE;
  			}
  
  			if (method->klass->contextbound || !info->compiled_method)
  				supported = FALSE;
  
  			if (supported)
  				info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
  
  			if (info->dyn_call_info) {
  				switch (sig->ret->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 (sig->ret);
  					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 (sig->ret))
  						info->ret_box_class = mono_class_from_mono_type (sig->ret);
  					break;
  				case MONO_TYPE_VALUETYPE:
  					info->ret_box_class = mono_class_from_mono_type (sig->ret);
  					break;
  				default:
  					g_assert_not_reached ();
  					break;
  				}
  			}
  		}
  #endif
  
  		if (!info->dyn_call_info)
  			info->runtime_invoke = mono_jit_compile_method (invoke);
  
  		mono_domain_lock (domain);
  		info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
  		if (info2) {
  			g_free (info);
  			info = info2;
  		} else {
  			g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
  		}
  		mono_domain_unlock (domain);
  	}
  
  	runtime_invoke = info->runtime_invoke;
  
  	/*
  	 * We need this here because mono_marshal_get_runtime_invoke can place 
  	 * the helper method in System.Object and not the target class.
  	 */
  	if (exc) {
  		*exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
  		if (*exc)
  			return NULL;
  	} else {
  		mono_runtime_class_init (info->vtable);
  	}
  
  	/* 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 [128];
  		guint8 retval [128];
  
  		if (!dyn_runtime_invoke) {
  			invoke = mono_marshal_get_runtime_invoke_dynamic ();
  			dyn_runtime_invoke = mono_jit_compile_method (invoke);
  		}
  
  		/* Convert the arguments to the format expected by start_dyn_call () */
  		args = 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 (info->ret_box_class)
  			return mono_value_box (domain, info->ret_box_class, retval);
  		else
  			return *(MonoObject**)retval;
  	}
  #endif
  
  	return runtime_invoke (obj, params, exc, info->compiled_method);
  }
  
  void
  SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
  {
  	MonoException *exc = NULL;
  	MonoJitInfo *ji;
  #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
  	void *info = NULL;
  #endif
  	GET_CONTEXT;
  
  	ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
  
  #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_chain_signal (SIG_HANDLER_PARAMS))
  			return;
  
  		mono_handle_native_sigsegv (SIGSEGV, ctx);
  	}
  	
  	mono_arch_handle_exception (ctx, exc);
  }
  
  void
  SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
  {
  	MonoException *exc;
  	GET_CONTEXT;
  
  	exc = mono_get_exception_execution_engine ("SIGILL");
  	
  	mono_arch_handle_exception (ctx, exc);
  }
  
  #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
  #define HAVE_SIG_INFO
  #endif
  
  void
  SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
  {
  	MonoJitInfo *ji;
  	MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
  	gpointer fault_addr = NULL;
  
  	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(HOST_WIN32) && defined(HAVE_SIG_INFO)
  	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_chain_signal (SIG_HANDLER_PARAMS))
  			return;
  		mono_handle_native_sigsegv (SIGSEGV, ctx);
  	}
  
  	ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
  
  #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
  	if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (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_arch_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 (SIG_HANDLER_PARAMS))
  			return;
  
  		mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
  	}
  #else
  
  	if (!ji) {
  		if (mono_chain_signal (SIG_HANDLER_PARAMS))
  			return;
  
  		mono_handle_native_sigsegv (SIGSEGV, ctx);
  	}
  			
  	mono_arch_handle_exception (ctx, NULL);
  #endif
  }
  
  void
  SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
  {
  	MonoException *exc;
  	GET_CONTEXT;
  
  	exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
  	
  	mono_arch_handle_exception (ctx, exc);
  }
  
  /* 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)
  {
  	MonoMethod *nm;
  	guint8 *addr = NULL;
  
  	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 && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
  		nm = mono_marshal_get_remoting_invoke_for_target (method, target);
  		addr = mono_compile_method (nm);
  	} else {
  		addr = mono_compile_method (method);
  	}
  	return mono_get_addr_from_ftnptr (addr);
  }
  
  static gpointer *vtable_trampolines;
  static int vtable_trampolines_size;
  
  gpointer
  mini_get_vtable_trampoline (int slot_index)
  {
  	int index = slot_index + MONO_IMT_SIZE;
  
  	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 = 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 (int slot_index)
  {
  	return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
  }
  
  static void
  mini_parse_debug_options (void)
  {
  	char *options = 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 (!strcmp (arg, "handle-sigint"))
  			debug_options.handle_sigint = TRUE;
  		else if (!strcmp (arg, "keep-delegates"))
  			debug_options.keep_delegates = TRUE;
  		else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
  			debug_options.reverse_pinvoke_exceptions = TRUE;
  		else if (!strcmp (arg, "collect-pagefault-stats"))
  			debug_options.collect_pagefault_stats = TRUE;
  		else if (!strcmp (arg, "break-on-unverified"))
  			debug_options.break_on_unverified = TRUE;
  		else if (!strcmp (arg, "no-gdb-backtrace"))
  			debug_options.no_gdb_backtrace = TRUE;
  		else if (!strcmp (arg, "suspend-on-sigsegv"))
  			debug_options.suspend_on_sigsegv = TRUE;
  		else if (!strcmp (arg, "suspend-on-unhandled"))
  			debug_options.suspend_on_unhandled = TRUE;
  		else if (!strcmp (arg, "dont-free-domains"))
  			mono_dont_free_domains = TRUE;
  		else if (!strcmp (arg, "dyn-runtime-invoke"))
  			debug_options.dyn_runtime_invoke = TRUE;
  		else if (!strcmp (arg, "gdb"))
  			debug_options.gdb = TRUE;
  		else if (!strcmp (arg, "explicit-null-checks"))
  			debug_options.explicit_null_checks = TRUE;
  		else if (!strcmp (arg, "gen-seq-points"))
  			debug_options.gen_seq_points = TRUE;
  		else if (!strcmp (arg, "init-stacks"))
  			debug_options.init_stacks = TRUE;
  		else if (!strcmp (arg, "casts"))
  			debug_options.better_cast_details = TRUE;
  		else if (!strcmp (arg, "soft-breakpoints"))
  			debug_options.soft_breakpoints = TRUE;
  		else {
  			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', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\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__)
  	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__)
  	gpointer *desc;
  
  	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__)
  	return *(gpointer*)descr;
  #else
  	return descr;
  #endif
  }	
  
  static void
  register_jit_stats (void)
  {
  	mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
  	mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &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 ("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 ("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);
  }
  
  static void runtime_invoke_info_free (gpointer value);
   
  static void
  mini_create_jit_domain_info (MonoDomain *domain)
  {
  	MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
  
  	info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
  	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 (mono_aligned_addr_hash, NULL);
  	info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
  	info->runtime_invoke_hash = g_hash_table_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, g_free);
  	info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
  	info->jump_target_hash = g_hash_table_new (NULL, NULL);
  
  	domain->runtime_info = info;
  }
  
  static void
  delete_jump_list (gpointer key, gpointer value, gpointer user_data)
  {
  	MonoJumpList *jlist = value;
  	g_slist_free (jlist->list);
  }
  
  static void
  dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
  {
  	MonoJitDynamicMethodInfo *di = 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
  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_jump_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->class_init_trampoline_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);
  	g_hash_table_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);
  
  	g_free (domain->runtime_info);
  	domain->runtime_info = NULL;
  }
  
  MonoDomain *
  mini_init (const char *filename, const char *runtime_version)
  {
  	MonoDomain *domain;
  	MonoRuntimeCallbacks callbacks;
  	MonoThreadInfoRuntimeCallbacks ticallbacks;
  
  	MONO_VES_INIT_BEGIN ();
  
  #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
  
  	/* Happens when using the embedding interface */
  	if (!default_opt_set)
  		default_opt = mono_parse_default_optimizations (NULL);
  
  	InitializeCriticalSection (&jit_mutex);
  
  #ifdef MONO_DEBUGGER_SUPPORTED
  	if (mini_debug_running_inside_mdb ())
  		mini_debugger_init ();
  #endif
  
  #ifdef MONO_HAVE_FAST_TLS
  	MONO_FAST_TLS_INIT (mono_jit_tls);
  	MONO_FAST_TLS_INIT (mono_lmf_addr);
  #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
  	MONO_FAST_TLS_INIT (mono_lmf);
  #endif
  #endif
  
  #ifdef MONO_ARCH_HAVE_TLS_GET
  	mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
  #else
  	mono_runtime_set_has_tls_get (FALSE);
  #endif
  
  	if (!global_codeman)
  		global_codeman = mono_code_manager_new ();
  	jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
  
  	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;
  
  #ifdef MONO_ARCH_HAVE_IMT
  	if (mono_use_imt) {
  		callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
  		callbacks.get_imt_trampoline = mini_get_imt_trampoline;
  	}
  #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;
  
  	mono_threads_runtime_init (&ticallbacks);
  
  
  	if (getenv ("MONO_DEBUG") != NULL)
  		mini_parse_debug_options ();
  	
  	mono_arch_cpu_init ();
  
  	mono_arch_init ();
  
  	mono_unwind_init ();
  
  	if (getenv ("MONO_XDEBUG")) {
  		char *xdebug_opts = 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;
  	}
  
  #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 (!g_thread_supported ())
  		g_thread_init (NULL);
  
  	mono_native_tls_alloc (&mono_jit_tls_id, NULL);
  
  	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
  
  #ifndef MONO_CROSS_COMPILE
  	mono_runtime_install_handlers ();
  #endif
  	mono_threads_install_cleanup (mini_thread_cleanup);
  
  #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
  	// This is experimental code so provide an env var to switch it off
  	if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
  		printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
  	} else {
  		check_for_pending_exc = FALSE;
  		mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
  	}
  #endif
  
  #define JIT_TRAMPOLINES_WORK
  #ifdef JIT_TRAMPOLINES_WORK
  	mono_install_compile_method (mono_jit_compile_method);
  	mono_install_free_method (mono_jit_free_method);
  	mono_install_trampoline (mono_create_jit_trampoline);
  	mono_install_jump_trampoline (mono_create_jump_trampoline);
  	mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
  	mono_install_delegate_trampoline (mono_create_delegate_trampoline);
  	mono_install_create_domain_hook (mini_create_jit_domain_info);
  	mono_install_free_domain_hook (mini_free_jit_domain_info);
  #endif
  #define JIT_INVOKE_WORKS
  #ifdef JIT_INVOKE_WORKS
  	mono_install_runtime_invoke (mono_jit_runtime_invoke);
  #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 (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);
  	}
  
  #ifdef MONO_ARCH_HAVE_IMT
  	if (mono_use_imt) {
  		if (mono_aot_only)
  			mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
  		else
  			mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
  	}
  #endif
  	/*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
  	mono_arch_finish_init ();
  	
  
  	/* This must come after mono_init () in the aot-only case */
  	mono_exceptions_init ();
  
  	mono_icall_init ();
  
  	/* This should come after mono_init () too */
  	mini_gc_init ();
  
  	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 ("System.Exception::get_trace", 
  				ves_icall_System_Exception_get_trace);
  	mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
  				ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
  	mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
  				ves_icall_System_Security_SecurityFrame_GetSecurityStack);
  	mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers", 
  				mono_runtime_install_handlers);
  
  #ifdef PLATFORM_ANDROID
  	mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
  				mono_debugger_agent_unhandled_exception);
  #endif
  
  	mono_create_helper_signatures ();
  
  	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_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
  	register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, 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_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
  	register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
  	register_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", "void", FALSE);
  	register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
  	register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
  	register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
  
  #if defined(__native_client__) || defined(__native_client_codegen__)
  	register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
  #endif
  	/* 
  	 * NOTE, NOTE, NOTE, NOTE:
  	 * when adding emulation for some opcodes, remember to also add a dummy
  	 * rule to the burg files, because we need the arity information to be correct.
  	 */
  #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
  	mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
  	mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
  	mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
  	mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
  	mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
  	mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
  	mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
  #endif
  
  #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
  	mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
  	mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
  	mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
  #endif
  
  #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
  	mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
  	mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
  	mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
  	mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
  #endif
  
  #ifdef MONO_ARCH_EMULATE_MUL_DIV
  	mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
  #endif
  
  #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
  	mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
  	mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
  #endif
  
  #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
  	mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
  #endif
  
  	mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
  
  #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
  	mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
  #endif
  #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
  	mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
  #endif
  #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
  	mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
  #endif
  #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
  	mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
  #endif
  #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
  	mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
  #endif
  #ifdef MONO_ARCH_EMULATE_FREM
  #if defined(__default_codegen__)
  	mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
  #elif defined(__native_client_codegen__)
  	mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
  #endif
  #endif
  
  #ifdef MONO_ARCH_SOFT_FLOAT
  	mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
  	mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
  	mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
  	mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
  	mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
  	mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
  	mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
  #if SIZEOF_VOID_P == 4
  	mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
  #endif
  
  	mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
  	mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
  	mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
  	mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
  	mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
  	mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
  	mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
  	mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
  	mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
  	mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
  
  	mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
  	mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
  	mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
  	mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
  	mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", 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
  
  #ifdef COMPRESSED_INTERFACE_BITMAP
  	register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
  #endif
  
  #if SIZEOF_REGISTER == 4
  	mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
  #endif
  
  	/* other jit icalls */
  	register_icall (mono_delegate_ctor, "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 (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
  	register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
  	register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
  	register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
  	register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
  	register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
  	register_icall (mono_runtime_class_init, "mono_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, "compile_generic_method", "ptr object ptr ptr", FALSE);
  	register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
  	register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
  	register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
  	register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
  	register_icall (mono_object_castclass, "mono_object_castclass", "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_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_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_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
  
  #endif
  
  	mono_generic_sharing_init ();
  
  #ifdef MONO_ARCH_SIMD_INTRINSICS
  	mono_simd_intrinsics_init ();
  #endif
  
  #if MONO_SUPPORT_TASKLETS
  	mono_tasklets_init ();
  #endif
  
  	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);
  
  #define JIT_RUNTIME_WORKS
  #ifdef JIT_RUNTIME_WORKS
  	mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
  	mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
  	mono_thread_attach (domain);
  #endif
  
  	mono_profiler_runtime_initialized ();
  
  	MONO_VES_INIT_END ();
  	
  	return domain;
  }
  
  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 ("\nCreated object count:   %ld\n", mono_stats.new_object_count);
  		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 ("Dynamic code allocs:    %ld\n", mono_stats.dynamic_code_alloc_count);
  		g_print ("Dynamic code bytes:     %ld\n", mono_stats.dynamic_code_bytes_count);
  		g_print ("Dynamic code frees:     %ld\n", mono_stats.dynamic_code_frees_count);
  
  		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 thunks size:        %ld\n", mono_stats.imt_thunks_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_print ("Hazardous pointers:     %ld\n", mono_stats.hazardous_pointer_count);
  		if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
  			g_print ("\nDecl security check   : %ld\n", mono_jit_stats.cas_declsec_check);
  			g_print ("LinkDemand (user)     : %ld\n", mono_jit_stats.cas_linkdemand);
  			g_print ("LinkDemand (icall)    : %ld\n", mono_jit_stats.cas_linkdemand_icall);
  			g_print ("LinkDemand (pinvoke)  : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
  			g_print ("LinkDemand (aptc)     : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
  			g_print ("Demand (code gen)     : %ld\n", mono_jit_stats.cas_demand_generation);
  		}
  
  		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)
  {
  	mono_runtime_shutdown_stat_profiler ();
  	
  #ifndef DISABLE_COM
  	cominterop_release_all_rcws ();
  #endif
  
  #ifndef MONO_CROSS_COMPILE	
  	mono_runtime_shutdown ();
  	/* 
  	 * mono_runtime_cleanup() and mono_domain_finalize () need to
  	 * be called early since they need the execution engine still
  	 * fully working (mono_domain_finalize may invoke managed finalizers
  	 * and mono_runtime_cleanup will wait for other threads to finish).
  	 */
  	mono_domain_finalize (domain, 2000);
  #endif
  
  	/* This accesses metadata so needs to be called before runtime shutdown */
  	print_jit_stats ();
  
  	mono_profiler_shutdown ();
  
  #ifndef MONO_CROSS_COMPILE
  	mono_runtime_cleanup (domain);
  #endif
  
  	free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
  
  	mono_icall_cleanup ();
  
  	mono_runtime_cleanup_handlers ();
  
  	mono_domain_free (domain, TRUE);
  
  	mono_debugger_cleanup ();
  
  #ifdef ENABLE_LLVM
  	if (mono_use_llvm)
  		mono_llvm_cleanup ();
  #endif
  
  	mono_aot_cleanup ();
  
  	mono_trampolines_cleanup ();
  
  	mono_unwind_cleanup ();
  
  	if (!mono_dont_free_global_codeman)
  		mono_code_manager_destroy (global_codeman);
  	g_hash_table_destroy (jit_icall_name_hash);
  	g_free (emul_opcode_map);
  	g_free (emul_opcode_opcodes);
  	g_free (vtable_trampolines);
  
  	mono_arch_cleanup ();
  
  	mono_generic_sharing_cleanup ();
  
  	mono_cleanup ();
  
  	mono_trace_cleanup ();
  
  	mono_counters_dump (-1, stdout);
  
  	if (mono_inject_async_exc_method)
  		mono_method_desc_free (mono_inject_async_exc_method);
  
  	mono_native_tls_free (mono_jit_tls_id);
  
  	DeleteCriticalSection (&jit_mutex);
  
  	DeleteCriticalSection (&mono_delegate_section);
  }
  
  void
  mono_set_defaults (int verbose_level, guint32 opts)
  {
  	mini_verbose = verbose_level;
  	default_opt = opts;
  	default_opt_set = TRUE;
  }
  
  void
  mono_disable_optimizations (guint32 opts)
  {
  	default_opt &= ~opts;
  }
  
  void
  mono_set_optimizations (guint32 opts)
  {
  	default_opt = opts;
  	default_opt_set = TRUE;
  }
  
  void
  mono_set_verbose_level (guint32 level)
  {
  	mini_verbose = level;
  }
  
  /**
   * mono_get_runtime_build_info:
   *
   * Return the runtime version + build date in string format.
   * The returned string is owned by the caller. The returned string
   * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
   */
  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) {
  		method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
  		if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
  			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 (method);
  		if (strcmp (method->name, "Finalize") == 0) {
  			invoke = mono_marshal_get_runtime_invoke (method, FALSE);
  			mono_compile_method (invoke);
  		}
  		if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
  			invoke = mono_marshal_get_remoting_invoke_with_check (method);
  			mono_compile_method (invoke);
  		}
  	}
  
  	/* 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);
  }
  
  #ifndef DISABLE_JIT
  
  void*
  mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
  	return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
  }
  
  void
  mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
  {
  	TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
  	hole->clause = clause;
  	hole->start_offset = start - cfg->native_code;
  	hole->basic_block = bb;
  
  	cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
  }
  
  void
  mono_cfg_set_exception (MonoCompile *cfg, int type)
  {
  	cfg->exception_type = type;
  }
  
  #endif
  