Merge pull request #820 from brendanzagaeski/master
[mono.git] / mono / mini / mini-s390x.c
index f89cedef4b9e1ea8d0010b143ec905e056e714c2..5374adc8b029f1c637417f777d1560339a3186e2 100644 (file)
@@ -246,6 +246,9 @@ if (ins->inst_target_bb->native_offset) {                                   \
 #define JUMP_SIZE      6
 #define ENABLE_WRONG_METHOD_CHECK 0
 
+#define mono_mini_arch_lock() EnterCriticalSection (&mini_arch_mutex)
+#define mono_mini_arch_unlock() LeaveCriticalSection (&mini_arch_mutex)
+
 /*========================= End of Defines =========================*/
 
 /*------------------------------------------------------------------*/
@@ -260,6 +263,7 @@ if (ins->inst_target_bb->native_offset) {                                   \
 #include <mono/metadata/profiler-private.h>
 #include <mono/utils/mono-math.h>
 #include <mono/utils/mono-mmap.h>
+#include <mono/utils/mono-hwcap-s390x.h>
 
 #include "mini-s390x.h"
 #include "cpu-s390x.h"
@@ -361,14 +365,12 @@ static guint8 * backUpStackPtr(MonoCompile *, guint8 *);
 static void decodeParm (MonoType *, void *, int);
 static void enter_method (MonoMethod *, RegParm *, char *);
 static void leave_method (MonoMethod *, ...);
-static gboolean is_regsize_var (MonoType *);
 static inline void add_general (guint *, size_data *, ArgInfo *);
 static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
 static inline void add_float (guint *, size_data *, ArgInfo *);
-static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
+static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *);
 static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
 static guint8 * emit_load_volatile_arguments (guint8 *, MonoCompile *);
-static void catch_SIGILL(int, siginfo_t *, void *);
 static __inline__ void emit_unwind_regs(MonoCompile *, guint8 *, int, int, long);
 
 /*========================= End of Prototypes ======================*/
@@ -381,8 +383,6 @@ int mono_exc_esp_offset = 0;
 
 static int indent_level = 0;
 
-int has_ld = 0;
-
 static gint appdomain_tls_offset = -1,
            lmf_tls_offset = -1,
            lmf_addr_tls_offset = -1;
@@ -485,7 +485,7 @@ mono_arch_fregname (int reg) {
 /*------------------------------------------------------------------*/
 
 int
-mono_arch_get_argument_info (MonoMethodSignature *csig, 
+mono_arch_get_argument_info (MonoGenericSharingContext *gsctx, MonoMethodSignature *csig, 
                             int param_count, 
                             MonoJitArgumentInfo *arg_info)
 {
@@ -916,7 +916,7 @@ enter_method (MonoMethod *method, RegParm *rParm, char *sp)
        
        sig = mono_method_signature (method);
        
-       cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
+       cinfo = get_call_info (NULL, NULL, sig);
 
        if (cinfo->struct_ret) {
                printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
@@ -929,7 +929,7 @@ enter_method (MonoMethod *method, RegParm *rParm, char *sp)
                switch(method->klass->this_arg.type) {
                case MONO_TYPE_VALUETYPE:
                        if (obj) {
-                               guint64 *value = ((void *)this + sizeof(MonoObject));
+                               guint64 *value = (guint64 *) ((uintptr_t)this + sizeof(MonoObject));
                                printf("this:[value:%p:%016lx], ", this, *value);
                        } else 
                                printf ("this:[NULL], ");
@@ -1227,30 +1227,12 @@ handle_enum:
                        mono_method_signature (method)->ret->type);
        }
 
-       ip = ((gint64) __builtin_return_address (0));
+       ip = ((gint64) __builtin_extract_return_addr (__builtin_return_address (0)));
        printf (" ip: %p\n", (gpointer) ip);
 }
 
 /*========================= End of Function ========================*/
 
-/*------------------------------------------------------------------*/
-/*                                                                  */
-/* Name                - catch_SIGILL                                      */
-/*                                                                  */
-/* Function    - Catch SIGILL as a result of testing for long      */
-/*               displacement facility.                            */
-/*                                                                 */
-/*------------------------------------------------------------------*/
-
-void
-catch_SIGILL(int sigNo, siginfo_t *info, void *act) {
-
-       has_ld = 0;
-
-}
-
-/*========================= End of Function ========================*/
-
 /*------------------------------------------------------------------*/
 /*                                                                  */
 /* Name                - mono_arch_cpu_init                                */
@@ -1263,35 +1245,6 @@ catch_SIGILL(int sigNo, siginfo_t *info, void *act) {
 void
 mono_arch_cpu_init (void)
 {
-       struct sigaction sa,
-                        *oldSa = NULL;
-       guint mode = 1;
-
-       /*--------------------------------------*/      
-       /* Set default rounding mode for FP     */
-       /*--------------------------------------*/      
-       __asm__ ("SRNM\t%0\n\t"
-               : : "m" (mode));
-
-       /*--------------------------------------*/      
-       /* Determine if we have long displace-  */
-       /* ment facility on this processor      */
-       /*--------------------------------------*/      
-       sa.sa_sigaction = catch_SIGILL;
-       sigemptyset (&sa.sa_mask);
-       sa.sa_flags = SA_SIGINFO;
-
-       sigaction (SIGILL, &sa, oldSa);
-
-       /*--------------------------------------*/
-       /* We test by executing the STY inst    */
-       /*--------------------------------------*/
-       __asm__ ("LGHI\t0,1\n\t"
-                "LA\t1,%0\n\t"
-                ".byte\t0xe3,0x00,0x10,0x00,0x00,0x50\n\t"
-               : "=m" (has_ld) : : "0", "1");
-
-       sigaction (SIGILL, oldSa, NULL);
 }
 
 /*========================= End of Function ========================*/
@@ -1355,22 +1308,21 @@ mono_arch_cleanup (void)
 
 /*------------------------------------------------------------------*/
 /*                                                                  */
-/* Name                - mono_arch_cpu_optimizazions                       */
+/* Name                - mono_arch_cpu_optimizations                       */
 /*                                                                  */
 /* Function    - Returns the optimizations supported on this CPU   */
 /*                                                                 */
 /*------------------------------------------------------------------*/
 
 guint32
-mono_arch_cpu_optimizazions (guint32 *exclude_mask)
+mono_arch_cpu_optimizations (guint32 *exclude_mask)
 {
        guint32 opts = 0;
 
        /*----------------------------------------------------------*/
        /* No s390-specific optimizations yet                       */
        /*----------------------------------------------------------*/
-       *exclude_mask = MONO_OPT_INLINE|MONO_OPT_LINEARS;
-//     *exclude_mask = MONO_OPT_INLINE;
+       *exclude_mask = MONO_OPT_LINEARS;
        return opts;
 }
 
@@ -1378,40 +1330,17 @@ mono_arch_cpu_optimizazions (guint32 *exclude_mask)
 
 /*------------------------------------------------------------------*/
 /*                                                                  */
-/* Name                -                                                   */
+/* Name         - mono_arch_cpu_enumerate_simd_versions             */
+/*                                                                  */
+/* Function     - Returns the SIMD instruction sets on this CPU     */
 /*                                                                  */
-/* Function    -                                                   */
-/*                                                                 */
 /*------------------------------------------------------------------*/
-
-static gboolean
-is_regsize_var (MonoType *t) {
-       if (t->byref)
-               return TRUE;
-       switch (mono_type_get_underlying_type (t)->type) {
-       case MONO_TYPE_I4:
-       case MONO_TYPE_U4:
-       case MONO_TYPE_I:
-       case MONO_TYPE_I8:
-       case MONO_TYPE_U8:
-       case MONO_TYPE_U:
-       case MONO_TYPE_PTR:
-       case MONO_TYPE_FNPTR:
-               return TRUE;
-       case MONO_TYPE_OBJECT:
-       case MONO_TYPE_STRING:
-       case MONO_TYPE_CLASS:
-       case MONO_TYPE_SZARRAY:
-       case MONO_TYPE_ARRAY:
-               return FALSE;
-       case MONO_TYPE_VALUETYPE:
-               if (t->data.klass->enumtype)
-                       return is_regsize_var (mono_class_enum_basetype (t->data.klass));
-               return FALSE;
-       }
-       return FALSE;
+guint32
+mono_arch_cpu_enumerate_simd_versions (void)
+{
+       /* SIMD is currently unimplemented */
+       return 0;
 }
-
 /*========================= End of Function ========================*/
 
 /*------------------------------------------------------------------*/
@@ -1441,7 +1370,7 @@ mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
                        continue;
 
                /* we can only allocate 32 bit values */
-               if (is_regsize_var (ins->inst_vtype)) {
+               if (mono_is_regsize_var(ins->inst_vtype)) {
                        g_assert (MONO_VARINFO (cfg, i)->reg == -1);
                        g_assert (i == vmv->idx);
                        vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
@@ -1608,12 +1537,13 @@ add_float (guint *fr,  size_data *sz, ArgInfo *ainfo)
 /*------------------------------------------------------------------*/
 
 static CallInfo *
-get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
+get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig)
 {
        guint i, fr, gr, size, pstart;
        int nParm = sig->hasthis + sig->param_count;
        MonoType *ret_type;
-       guint32 simpletype, align;
+       guint32 simpleType, align;
+       gboolean is_pinvoke = sig->pinvoke;
        CallInfo *cinfo;
        size_data *sz;
        MonoGenericSharingContext *gsctx = cfg ? cfg->generic_sharing_context : NULL;
@@ -1644,11 +1574,11 @@ get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboo
        /* area that the callee will use.                           */
        /*----------------------------------------------------------*/
 
-       ret_type = mono_type_get_underlying_type (sig->ret);
+       ret_type = mini_type_get_underlying_type (gsctx, sig->ret);
        ret_type = mini_get_basic_type_from_generic (gsctx, ret_type);
-       simpletype = ret_type->type;
+       simpleType = ret_type->type;
 enum_retvalue:
-       switch (simpletype) {
+       switch (simpleType) {
                case MONO_TYPE_BOOLEAN:
                case MONO_TYPE_I1:
                case MONO_TYPE_U1:
@@ -1689,13 +1619,10 @@ enum_retvalue:
                case MONO_TYPE_VALUETYPE: {
                        MonoClass *klass = mono_class_from_mono_type (sig->ret);
                        if (klass->enumtype) {
-                               simpletype = mono_class_enum_basetype (klass)->type;
+                               simpleType = mono_class_enum_basetype (klass)->type;
                                goto enum_retvalue;
                        }
-                       if (sig->pinvoke)
-                               size = mono_class_native_size (klass, &align);
-                       else
-                               size = mono_class_value_size (klass, &align);
+                       size = mini_type_stack_size_full (gsctx, &klass->byval_arg, NULL, sig->pinvoke);
        
                        cinfo->struct_ret = 1;
                        cinfo->ret.size   = size;
@@ -1788,11 +1715,10 @@ enum_retvalue:
                        continue;
                }
 
-               ptype = mono_type_get_underlying_type (sig->params [i]);
-               ptype = mini_get_basic_type_from_generic (gsctx, ptype);
-               simpletype = ptype->type;
-               cinfo->args[nParm].type = simpletype;
-               switch (simpletype) {
+               ptype = mini_type_get_underlying_type (gsctx, sig->params [i]);
+               simpleType = ptype->type;
+               cinfo->args[nParm].type = simpleType;
+               switch (simpleType) {
                case MONO_TYPE_BOOLEAN:
                case MONO_TYPE_I1:
                case MONO_TYPE_U1:
@@ -1843,7 +1769,7 @@ enum_retvalue:
                        nParm++;
                        break;
                case MONO_TYPE_GENERICINST:
-                       if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
+                       if (!mono_type_generic_inst_is_valuetype (ptype)) {
                                cinfo->args[nParm].size = sizeof(gpointer);
                                add_general (&gr, sz, cinfo->args+nParm);
                                nParm++;
@@ -1852,30 +1778,33 @@ enum_retvalue:
                        /* Fall through */
                case MONO_TYPE_VALUETYPE: {
                        MonoMarshalType *info;
-                       MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
+                       MonoClass *klass = mono_class_from_mono_type (ptype);
+
                        if (sig->pinvoke)
-                               size = mono_class_native_size (klass, &align);
+                               size = mono_class_native_size(klass, NULL);
                        else
-                               size = mono_class_value_size (klass, &align);
-       
-                       info = mono_marshal_load_type_info (klass);
+                               size = mono_class_value_size(klass, NULL);
 
-                       if ((info->native_size == sizeof(float)) &&
-                           (info->num_fields  == 1) &&
-                           (info->fields[0].field->type->type == MONO_TYPE_R4)) {
-                               cinfo->args[nParm].size = sizeof(float);
-                               add_float(&fr, sz, cinfo->args+nParm);
-                               nParm ++;
-                               break;
-                       }
+                       if (simpleType != MONO_TYPE_GENERICINST) {
+                               info = mono_marshal_load_type_info(klass);
 
-                       if ((info->native_size == sizeof(double)) &&
-                           (info->num_fields  == 1) &&
-                           (info->fields[0].field->type->type == MONO_TYPE_R8)) {
-                               cinfo->args[nParm].size = sizeof(double);
-                               add_float(&fr, sz, cinfo->args+nParm);
-                               nParm ++;
-                               break;
+                               if ((info->native_size == sizeof(float)) &&
+                                   (info->num_fields  == 1) &&
+                                   (info->fields[0].field->type->type == MONO_TYPE_R4)) {
+                                       cinfo->args[nParm].size = sizeof(float);
+                                       add_float(&fr, sz, cinfo->args+nParm);
+                                       nParm ++;
+                                       break;
+                               }
+
+                               if ((info->native_size == sizeof(double)) &&
+                                   (info->num_fields  == 1) &&
+                                   (info->fields[0].field->type->type == MONO_TYPE_R8)) {
+                                       cinfo->args[nParm].size = sizeof(double);
+                                       add_float(&fr, sz, cinfo->args+nParm);
+                                       nParm ++;
+                                       break;
+                               }
                        }
 
                        cinfo->args[nParm].vtsize  = 0;
@@ -1934,7 +1863,7 @@ enum_retvalue:
                }
                        break;
                default:
-                       g_error ("Can't trampoline 0x%x", sig->params [i]->type);
+                       g_error ("Can't trampoline 0x%x", ptype);
                }
        }
 
@@ -2028,10 +1957,10 @@ mono_arch_allocate_vars (MonoCompile *cfg)
 
        sig     = mono_method_signature (cfg->method);
        
-       cinfo   = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
+       cinfo   = get_call_info (cfg, cfg->mempool, sig);
 
        if (!cinfo->struct_ret) {
-               switch (mono_type_get_underlying_type (sig->ret)->type) {
+               switch (mini_type_get_underlying_type (cfg->generic_sharing_context, sig->ret)->type) {
                case MONO_TYPE_VOID:
                        break;
                default:
@@ -2180,6 +2109,8 @@ printf("%s %4d cookine %x\n",__FUNCTION__,__LINE__,cfg->sig_cookie);
                curinst++;
        }
 
+       cfg->locals_min_stack_offset = offset;
+
        curinst = cfg->locals_start;
        for (iVar = curinst; iVar < cfg->num_varinfo; ++iVar) {
                inst = cfg->varinfo [iVar];
@@ -2207,10 +2138,13 @@ printf("%s %4d cookine %x\n",__FUNCTION__,__LINE__,cfg->sig_cookie);
                                iVar, inst->inst_offset, size));
        }
 
+       cfg->locals_max_stack_offset = offset;
+
        /*------------------------------------------------------*/
        /* Allow space for the trace method stack area if needed*/
        /*------------------------------------------------------*/
-       if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method)) 
+       if ((mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method)) 
+           || (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE))
                offset += S390_TRACE_STACK_SIZE;
 
        /*------------------------------------------------------*/
@@ -2253,7 +2187,7 @@ mono_arch_create_vars (MonoCompile *cfg)
 
        sig = mono_method_signature (cfg->method);
 
-       cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
+       cinfo = get_call_info (cfg, cfg->mempool, sig);
 
        if (cinfo->struct_ret) {
                cfg->vret_addr = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_ARG);
@@ -2368,7 +2302,7 @@ mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
        n = sig->param_count + sig->hasthis;
        DEBUG (g_print ("Call requires: %d parameters\n",n));
        
-       cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
+       cinfo = get_call_info (cfg, cfg->mempool, sig);
 
        stackSize         = cinfo->sz.stack_size + cinfo->sz.local_size + 
                            cinfo->sz.parm_size + cinfo->sz.offset;
@@ -2399,7 +2333,7 @@ mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
                        t = sig->params [i - sig->hasthis];
                else
                        t = &mono_defaults.int_class->byval_arg;
-               t = mono_type_get_underlying_type (t);
+               t = mini_type_get_underlying_type (cfg->generic_sharing_context, t);
 
                in = call->args [i];
 
@@ -2478,6 +2412,12 @@ mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
                                                         frmReg, ainfo->offparm);
                                MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG,
                                                             ainfo->reg, ainfo->offset, treg);
+
+                               if (cfg->compute_gc_maps) {
+                                       MonoInst *def;
+
+                                       EMIT_NEW_GC_PARAM_SLOT_LIVENESS_DEF (cfg, def, ainfo->offset, t);
+                               }
                        }
                        break;
                }
@@ -2589,6 +2529,12 @@ mono_arch_emit_outarg_vt (MonoCompile *cfg, MonoInst *ins, MonoInst *src)
 
                MONO_EMIT_NEW_MOVE (cfg, srcReg, ainfo->offparm,
                                                         src->dreg, 0, size);
+
+               if (cfg->compute_gc_maps) {
+                       MonoInst *def;
+
+                       EMIT_NEW_GC_PARAM_SLOT_LIVENESS_DEF (cfg, def, ainfo->offset, &ins->klass->byval_arg);
+               }
        }
 }
 
@@ -2603,7 +2549,8 @@ mono_arch_emit_outarg_vt (MonoCompile *cfg, MonoInst *ins, MonoInst *src)
 void
 mono_arch_emit_setret (MonoCompile *cfg, MonoMethod *method, MonoInst *val)
 {
-       MonoType *ret = mono_type_get_underlying_type (mono_method_signature (method)->ret);
+       MonoType *ret = mini_type_get_underlying_type (cfg->generic_sharing_context,
+                               mono_method_signature (method)->ret);
 
        if (!ret->byref) {
                if (ret->type == MONO_TYPE_R4) {
@@ -2661,7 +2608,7 @@ mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
        if (cfg->method->save_lmf)
                parmOffset -= sizeof(MonoLMF);
        fpOffset   = parmOffset + (5*sizeof(gpointer));
-       if ((!has_ld) && (fpOffset > 4096)) {
+       if ((!mono_hwcap_s390x_has_ld) && (fpOffset > 4096)) {
                s390_lgr (code, s390_r12, STK_BASE);
                baseReg = s390_r12;
                while (fpOffset > 4096) {
@@ -2674,7 +2621,7 @@ mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
        }       
 
        s390_stmg (code, s390_r2, s390_r6, STK_BASE, parmOffset);
-       if (has_ld) {
+       if (mono_hwcap_s390x_has_ld) {
                s390_stdy (code, s390_f0, 0, STK_BASE, fpOffset);
                s390_stdy (code, s390_f2, 0, STK_BASE, fpOffset+sizeof(gdouble));
                s390_stdy (code, s390_f4, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
@@ -2690,7 +2637,7 @@ mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
        s390_llong(code, cfg->method);
        s390_llong(code, func);
        s390_lg   (code, s390_r2, 0, s390_r13, 4);
-       if (has_ld)
+       if (mono_hwcap_s390x_has_ld)
                s390_lay  (code, s390_r3, 0, STK_BASE, parmOffset);
        else
                s390_la   (code, s390_r3, 0, baseReg, parmOffset);
@@ -2698,7 +2645,7 @@ mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
        s390_aghi (code, s390_r4, cfg->stack_usage);
        s390_lg   (code, s390_r1, 0, s390_r13, 12);
        s390_basr (code, s390_r14, s390_r1);
-       if (has_ld) {
+       if (mono_hwcap_s390x_has_ld) {
                s390_ldy  (code, s390_f6, 0, STK_BASE, fpOffset+3*sizeof(gdouble));
                s390_ldy  (code, s390_f4, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
                s390_ldy  (code, s390_f2, 0, STK_BASE, fpOffset+sizeof(gdouble));
@@ -2730,9 +2677,21 @@ mono_arch_instrument_epilog_full (MonoCompile *cfg, void *func, void *p, gboolea
 {
        guchar     *code = p;
        int        save_mode = SAVE_NONE,
-                  saveOffset;
+                  saveOffset,
+                  offset;
        MonoMethod *method = cfg->method;
-       int        rtype = mono_type_get_underlying_type (mono_method_signature (method)->ret)->type;
+       int rtype = mini_type_get_underlying_type (cfg->generic_sharing_context,
+                       mono_method_signature (method)->ret)->type;
+
+       offset = code - cfg->native_code;
+       /*-----------------------------------------*/
+       /* We need about 128 bytes of instructions */
+       /*-----------------------------------------*/
+       if (offset > (cfg->code_size - 128)) {
+               cfg->code_size *= 2;
+               cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
+               code = cfg->native_code + offset;
+       }
 
        saveOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
        if (method->save_lmf)
@@ -4130,6 +4089,7 @@ mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
                        /* ensure ins->sreg1 is not NULL */
                        s390_lg   (code, s390_r0, 0, ins->sreg1, 0);
                        s390_ltgr (code, s390_r0, s390_r0);
+//                     EMIT_COND_SYSTEM_EXCEPTION (S390_CC_ZR, "NullReferenceException");
                }
                        break;
                case OP_ARGLIST: {
@@ -4502,7 +4462,7 @@ mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
 
                /* floating point opcodes */
                case OP_R8CONST: {
-                       if (*((float *) ins->inst_p0) == 0) {
+                       if (*((double *) ins->inst_p0) == 0) {
                                s390_lzdr (code, ins->dreg);
                        } else {
                                s390_basr  (code, s390_r13, 0);
@@ -4871,6 +4831,15 @@ mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
                case OP_MEMORY_BARRIER: {
                }
                        break;
+               case OP_GC_LIVENESS_DEF:
+               case OP_GC_LIVENESS_USE:
+               case OP_GC_PARAM_SLOT_LIVENESS_DEF:
+                       ins->backend.pc_offset = code - cfg->native_code;
+                       break;
+               case OP_GC_SPILL_SLOT_LIVENESS_DEF:
+                       ins->backend.pc_offset = code - cfg->native_code;
+                       bb->spill_slot_defs = g_slist_prepend_mempool (cfg->mempool, bb->spill_slot_defs, ins);
+                       break;
                default:
                        g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
                        g_assert_not_reached ();
@@ -4939,8 +4908,11 @@ mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
                        case MONO_PATCH_INFO_EXC:
                        case MONO_PATCH_INFO_ABS:
                        case MONO_PATCH_INFO_METHOD:
+                       case MONO_PATCH_INFO_RGCTX_FETCH:
                        case MONO_PATCH_INFO_INTERNAL_METHOD:
                        case MONO_PATCH_INFO_CLASS_INIT:
+                       case MONO_PATCH_INFO_JIT_ICALL_ADDR:
+                       case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
                                s390_patch_addr (ip, (guint64) target);
                                continue;
                        case MONO_PATCH_INFO_SWITCH: 
@@ -4997,7 +4969,7 @@ emit_load_volatile_arguments (guint8 *code, MonoCompile *cfg)
        int pos = 0, i;
        CallInfo *cinfo;
 
-       cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
+       cinfo = get_call_info (NULL, NULL, sig);
 
        if (cinfo->struct_ret) {
                ArgInfo *ainfo = &cinfo->ret;
@@ -5110,7 +5082,8 @@ mono_arch_emit_prolog (MonoCompile *cfg)
        if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
                tracing         = 1;
                cfg->code_size += 256;
-       }
+       } else if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
+               cfg->code_size += 256;
 
        if (method->save_lmf)
                cfg->code_size += 200;
@@ -5151,6 +5124,15 @@ mono_arch_emit_prolog (MonoCompile *cfg)
 
        mono_emit_unwind_op_def_cfa_reg (cfg, code, cfg->frame_reg);
 
+       /* store runtime generic context */
+       if (cfg->rgctx_var) {
+               g_assert (cfg->rgctx_var->opcode == OP_REGOFFSET);
+
+               s390_stg  (code, MONO_ARCH_RGCTX_REG, 0, 
+                          cfg->rgctx_var->inst_basereg, 
+                          cfg->rgctx_var->inst_offset);
+       }
+
         /* compute max_offset in order to use short forward jumps
         * we always do it on s390 because the immediate displacement
         * for jumps is too small 
@@ -5171,7 +5153,7 @@ mono_arch_emit_prolog (MonoCompile *cfg)
        sig = mono_method_signature (method);
        pos = 0;
 
-       cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
+       cinfo = get_call_info (cfg, cfg->mempool, sig);
 
        if (cinfo->struct_ret) {
                ArgInfo *ainfo     = &cinfo->ret;
@@ -5281,27 +5263,6 @@ mono_arch_emit_prolog (MonoCompile *cfg)
                pos++;
        }
 
-       if (method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
-               if (cfg->compile_aot)
-                       /* AOT code is only used in the root domain */
-                       s390_lghi (code, s390_r2, 0);
-               else {
-                       s390_basr(code, s390_r14, 0);
-                       s390_j   (code, 6);
-                       s390_llong(code, cfg->domain);
-                       s390_lg  (code, s390_r2, 0, s390_r14, 4);
-               }
-
-               s390_basr(code, s390_r14, 0);
-               s390_j   (code, 6);
-               mono_add_patch_info (cfg, code - cfg->native_code, 
-                                    MONO_PATCH_INFO_INTERNAL_METHOD, 
-                                    (gpointer)"mono_jit_thread_attach");
-               s390_llong(code, 0);
-               s390_lg   (code, s390_r1, 0, s390_r14, 4);
-               s390_basr (code, s390_r14, s390_r1);
-       }
-
        if (method->save_lmf) {
                /*---------------------------------------------------------------*/
                /* build the MonoLMF structure on the stack - see mini-s390x.h   */
@@ -5320,14 +5281,24 @@ mono_arch_emit_prolog (MonoCompile *cfg)
                /*---------------------------------------------------------------*/
                /* On return from this call r2 have the address of the &lmf      */
                /*---------------------------------------------------------------*/
-               s390_basr(code, s390_r14, 0);
-               s390_j   (code, 6);
-               mono_add_patch_info (cfg, code - cfg->native_code, 
-                                    MONO_PATCH_INFO_INTERNAL_METHOD, 
-                                    (gpointer)"mono_get_lmf_addr");
-               s390_llong(code, 0);
-               s390_lg   (code, s390_r1, 0, s390_r14, 4);
-               s390_basr (code, s390_r14, s390_r1);
+               if (lmf_addr_tls_offset == -1) {
+                       s390_basr(code, s390_r14, 0);
+                       s390_j   (code, 6);
+                       mono_add_patch_info (cfg, code - cfg->native_code, 
+                                            MONO_PATCH_INFO_INTERNAL_METHOD, 
+                                            (gpointer)"mono_get_lmf_addr");
+                       s390_llong(code, 0);
+                       s390_lg   (code, s390_r1, 0, s390_r14, 4);
+                       s390_basr (code, s390_r14, s390_r1);
+               } else {
+                       /*-------------------------------------------------------*/
+                       /* Get LMF by getting value from thread level storage    */
+                       /*-------------------------------------------------------*/
+                       s390_ear (code, s390_r1, 0);
+                       s390_sllg(code, s390_r1, s390_r1, 0, 32);
+                       s390_ear (code, s390_r1, 1);
+                       s390_lg  (code, s390_r2, 0, s390_r1, lmf_addr_tls_offset);
+               }
 
                /*---------------------------------------------------------------*/     
                /* Set lmf.lmf_addr = jit_tls->lmf                               */     
@@ -5417,8 +5388,7 @@ mono_arch_emit_epilog (MonoCompile *cfg)
        
        if (mono_jit_trace_calls != NULL)
                max_epilog_size += 128;
-
-       if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
+       else if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
                max_epilog_size += 128;
        
        while ((cfg->code_len + max_epilog_size) > (cfg->code_size - 16)) {
@@ -5438,8 +5408,6 @@ mono_arch_emit_epilog (MonoCompile *cfg)
                restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
 
        if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
-//             if (cfg->frame_reg != STK_BASE)
-//                     s390_lgr (code, STK_BASE, cfg->frame_reg);
                s390_lg  (code, STK_BASE, 0, STK_BASE, 0);
        } else
                code = backUpStackPtr(cfg, code);
@@ -5581,8 +5549,8 @@ void
 mono_arch_finish_init (void)
 {
        appdomain_tls_offset = mono_domain_get_tls_offset();
-       lmf_tls_offset = mono_get_jit_tls_offset();
-       lmf_addr_tls_offset = mono_get_jit_tls_offset();
+       lmf_tls_offset = mono_get_lmf_tls_offset();
+       lmf_addr_tls_offset = mono_get_lmf_addr_tls_offset();
 }
 
 /*========================= End of Function ========================*/
@@ -5746,31 +5714,6 @@ mono_arch_regalloc_cost (MonoCompile *cfg, MonoMethodVar *vmv)
 
 /*========================= End of Function ========================*/
 
-/*------------------------------------------------------------------*/
-/*                                                                  */
-/* Name                - mono_arch_get_domain_intrinsic                    */
-/*                                                                  */
-/* Function    -                                                   */
-/*                                                                 */
-/* Returns     -                                                   */
-/*                                                                  */
-/*------------------------------------------------------------------*/
-
-MonoInst * 
-mono_arch_get_domain_intrinsic (MonoCompile* cfg)
-{
-       MonoInst *ins;
-
-       if (appdomain_tls_offset == -1)
-               return NULL;
-       
-       MONO_INST_NEW (cfg, ins, OP_TLS_GET);
-       ins->inst_offset = appdomain_tls_offset;
-       return (ins);
-}
-
-/*========================= End of Function ========================*/
-
 /*------------------------------------------------------------------*/
 /*                                                                  */
 /* Name                - mono_arch_flush_register_windows                  */
@@ -5943,13 +5886,16 @@ mono_arch_get_delegate_invoke_impls (void)
        guint8 *code;
        guint32 code_len;
        int i;
+       char *tramp_name;
 
        code = get_delegate_invoke_impl (TRUE, 0, &code_len, TRUE);
-       res = g_slist_prepend (res, mono_tramp_info_create (g_strdup ("delegate_invoke_impl_has_target"), code, code_len, NULL, NULL));
+       res = g_slist_prepend (res, mono_tramp_info_create ("delegate_invoke_impl_has_target", code, code_len, NULL, NULL));
 
        for (i = 0; i < MAX_ARCH_DELEGATE_PARAMS; ++i) {
                code = get_delegate_invoke_impl (FALSE, i, &code_len, TRUE);
-               res = g_slist_prepend (res, mono_tramp_info_create (g_strdup_printf ("delegate_invoke_impl_target_%d", i), code, code_len, NULL, NULL));
+               tramp_name = g_strdup_printf ("delegate_invoke_impl_target_%d", i);
+               res = g_slist_prepend (res, mono_tramp_info_create (tramp_name, code, code_len, NULL, NULL));
+               g_free (tramp_name);
        }
 
        return res;
@@ -6202,6 +6148,44 @@ mono_arch_find_imt_method (mgreg_t *regs, guint8 *code)
 
 /*========================= End of Function ========================*/
 
+/*------------------------------------------------------------------*/
+/*                                                                  */
+/* Name                - mono_arch_find_static_call_vtable                 */
+/*                                                                  */
+/* Function    - Find the static call vtable.                      */
+/*                                                                 */
+/*------------------------------------------------------------------*/
+
+MonoVTable*
+mono_arch_find_static_call_vtable (mgreg_t *regs, guint8 *code)
+{
+       mgreg_t *r = (mgreg_t*)regs;
+
+       return (MonoVTable*)(gsize) r [MONO_ARCH_RGCTX_REG];
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/*                                                                  */
+/* Name                - mono_arch_get_cie_program                         */
+/*                                                                  */
+/* Function    - Find the static call vtable.                      */
+/*                                                                 */
+/*------------------------------------------------------------------*/
+
+GSList*
+mono_arch_get_cie_program (void)
+{
+       GSList *l = NULL;
+
+       mono_add_unwind_op_def_cfa (l, NULL, NULL, STK_BASE, 0);
+
+       return(l);
+}
+
+/*========================= End of Function ========================*/
+
 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
 
 /*------------------------------------------------------------------*/
@@ -6375,6 +6359,23 @@ mono_arch_get_seq_point_info (MonoDomain *domain, guint8 *code)
        return NULL;
 }
 
+/*------------------------------------------------------------------*/
+/*                                                                  */
+/* Name                - mono_arch_init_lmf_ext.                               */
+/*                                                                  */
+/* Function -                                                       */
+/*                                                                  */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_init_lmf_ext (MonoLMFExt *ext, gpointer prev_lmf)
+{
+       ext->lmf.previous_lmf = prev_lmf;
+       /* Mark that this is a MonoLMFExt */
+       ext->lmf.previous_lmf = (gpointer)(((gssize)ext->lmf.previous_lmf) | 2);
+       ext->lmf.ebp = (gssize)ext;
+}
+
 /*========================= End of Function ========================*/
 
 #endif