1 /*------------------------------------------------------------------*/
3 /* Name - mini-s390.c */
5 /* Function - S/390 backend for the Mono code generator. */
7 /* Name - Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com) */
9 /* Date - January, 2004 */
11 /* Derivation - From mini-x86 & mini-ppc by - */
12 /* Paolo Molaro (lupus@ximian.com) */
13 /* Dietmar Maurer (dietmar@ximian.com) */
15 /*------------------------------------------------------------------*/
17 /*------------------------------------------------------------------*/
19 /*------------------------------------------------------------------*/
21 #define EMIT_COND_BRANCH(ins,cond) \
23 if (ins->flags & MONO_INST_BRLABEL) { \
24 if (ins->inst_i0->inst_c0) { \
26 displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
27 if (s390_is_imm16(displace)) { \
28 s390_brc (code, cond, displace); \
30 s390_jcl (code, cond, displace); \
33 mono_add_patch_info (cfg, code - cfg->native_code, \
34 MONO_PATCH_INFO_LABEL, ins->inst_i0); \
35 s390_jcl (code, cond, 0); \
38 if (ins->inst_true_bb->native_offset) { \
40 displace = ((cfg->native_code + \
41 ins->inst_true_bb->native_offset) - code) / 2; \
42 if (s390_is_imm16(displace)) { \
43 s390_brc (code, cond, displace); \
45 s390_jcl (code, cond, displace); \
48 mono_add_patch_info (cfg, code - cfg->native_code, \
49 MONO_PATCH_INFO_BB, ins->inst_true_bb); \
50 s390_jcl (code, cond, 0); \
55 #define EMIT_UNCOND_BRANCH(ins) \
57 if (ins->flags & MONO_INST_BRLABEL) { \
58 if (ins->inst_i0->inst_c0) { \
60 displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
61 if (s390_is_imm16(displace)) { \
62 s390_brc (code, S390_CC_UN, displace); \
64 s390_jcl (code, S390_CC_UN, displace); \
67 mono_add_patch_info (cfg, code - cfg->native_code, \
68 MONO_PATCH_INFO_LABEL, ins->inst_i0); \
69 s390_jcl (code, S390_CC_UN, 0); \
72 if (ins->inst_target_bb->native_offset) { \
74 displace = ((cfg->native_code + \
75 ins->inst_target_bb->native_offset) - code) / 2; \
76 if (s390_is_imm16(displace)) { \
77 s390_brc (code, S390_CC_UN, displace); \
79 s390_jcl (code, S390_CC_UN, displace); \
82 mono_add_patch_info (cfg, code - cfg->native_code, \
83 MONO_PATCH_INFO_BB, ins->inst_target_bb); \
84 s390_jcl (code, S390_CC_UN, 0); \
89 #define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
91 mono_add_patch_info (cfg, code - cfg->native_code, \
92 MONO_PATCH_INFO_EXC, exc_name); \
93 s390_jcl (code, cond, 0); \
96 #define CHECK_SRCDST_COM \
97 if (ins->dreg == ins->sreg2) { \
101 if (ins->dreg != ins->sreg1) { \
102 s390_lr (code, ins->dreg, ins->sreg1); \
106 #define CHECK_SRCDST_NCOM \
107 if (ins->dreg == ins->sreg2) { \
109 s390_lr (code, s390_r13, ins->sreg2); \
113 if (ins->dreg != ins->sreg1) { \
114 s390_lr (code, ins->dreg, ins->sreg1); \
117 #define CHECK_SRCDST_COM_F \
118 if (ins->dreg == ins->sreg2) { \
122 if (ins->dreg != ins->sreg1) { \
123 s390_ldr (code, ins->dreg, ins->sreg1); \
127 #define CHECK_SRCDST_NCOM_F \
128 if (ins->dreg == ins->sreg2) { \
130 s390_ldr (code, s390_r13, ins->sreg2); \
134 if (ins->dreg != ins->sreg1) { \
135 s390_ldr (code, ins->dreg, ins->sreg1); \
139 #define DEBUG(a) if (cfg->verbose_level > 1) a
143 #define S390_TRACE_STACK_SIZE (5*sizeof(gint32)+3*sizeof(gdouble))
145 #define MAX (a, b) ((a) > (b) ? (a) : (b))
147 /*========================= End of Defines =========================*/
149 /*------------------------------------------------------------------*/
150 /* I n c l u d e s */
151 /*------------------------------------------------------------------*/
156 #include <mono/metadata/appdomain.h>
157 #include <mono/metadata/debug-helpers.h>
158 #include <mono/metadata/profiler-private.h>
159 #include <mono/utils/mono-math.h>
161 #include "mini-s390.h"
163 #include "cpu-s390.h"
164 #include "jit-icalls.h"
166 /*========================= End of Includes ========================*/
168 /*------------------------------------------------------------------*/
169 /* T y p e d e f s */
170 /*------------------------------------------------------------------*/
182 /*------------------------------------------------------------------*/
183 /* Used by the instrument_emit_epilog */
184 /*------------------------------------------------------------------*/
195 typedef struct InstList InstList;
212 gint32 offset; /* offset from caller's stack */
213 gint32 offparm; /* offset from callee's stack */
214 guint16 vtsize; /* in param area */
216 ArgStorage regtype; /* See RegType* */
217 guint32 size; /* Size of structure used by RegTypeStructByVal */
232 gint32 gr[5]; /* R2-R6 */
233 gdouble fp[3]; /* F0-F2 */
234 } __attribute__ ((packed)) RegParm;
236 /*========================= End of Typedefs ========================*/
238 /*------------------------------------------------------------------*/
239 /* P r o t o t y p e s */
240 /*------------------------------------------------------------------*/
242 static void indent (int);
243 static guint8 * backUpStackPtr(MonoCompile *, guint8 *, gint);
244 static void decodeParm (MonoType *, void *, int);
245 static void enter_method (MonoMethod *, RegParm *, char *);
246 static void leave_method (MonoMethod *, ...);
247 static gboolean is_regsize_var (MonoType *);
248 static inline void add_general (guint *, size_data *, ArgInfo *, gboolean);
249 static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
250 static inline void add_float (guint *, size_data *, ArgInfo *);
251 static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
252 static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
253 gpointer mono_arch_get_lmf_addr (void);
254 static guint8 * emit_load_volatile_registers(guint8 *, MonoCompile *);
255 static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *, int);
257 /*========================= End of Prototypes ======================*/
259 /*------------------------------------------------------------------*/
260 /* G l o b a l V a r i a b l e s */
261 /*------------------------------------------------------------------*/
263 int mono_exc_esp_offset = 0;
265 static int indent_level = 0;
267 static gboolean tls_offset_inited = FALSE;
269 static int appdomain_tls_offset = -1,
270 thread_tls_offset = -1;
272 pthread_key_t lmf_addr_key;
274 gboolean lmf_addr_key_inited = FALSE;
278 extern __thread MonoDomain *tls_appdomain;
279 extern __thread MonoThread *tls_current_object;
280 extern __thread gpointer mono_lmf_addr;
284 /*====================== End of Global Variables ===================*/
286 /*------------------------------------------------------------------*/
288 /* Name - mono_arch_regname */
290 /* Function - Returns the name of the register specified by */
291 /* the input parameter. */
293 /*------------------------------------------------------------------*/
296 mono_arch_regname (int reg) {
297 static const char * rnames[] = {
298 "s390_r0", "s390_sp", "s390_r2", "s390_r3", "s390_r4",
299 "s390_r5", "s390_r6", "s390_r7", "s390_r8", "s390_r9",
300 "s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
304 if (reg >= 0 && reg < 16)
310 /*========================= End of Function ========================*/
312 /*------------------------------------------------------------------*/
314 /* Name - mono_arch_fregname */
316 /* Function - Returns the name of the register specified by */
317 /* the input parameter. */
319 /*------------------------------------------------------------------*/
322 mono_arch_fregname (int reg) {
323 static const char * rnames[] = {
324 "s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
325 "s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
326 "s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
330 if (reg >= 0 && reg < 16)
336 /*========================= End of Function ========================*/
338 /*------------------------------------------------------------------*/
340 /* Name - arch_get_argument_info */
342 /* Function - Gathers information on parameters such as size, */
343 /* alignment, and padding. arg_info should be large */
344 /* enough to hold param_count + 1 entries. */
346 /* Parameters - @csig - Method signature */
347 /* @param_count - No. of parameters to consider */
348 /* @arg_info - An array to store the result info */
350 /* Returns - Size of the activation frame */
352 /*------------------------------------------------------------------*/
355 mono_arch_get_argument_info (MonoMethodSignature *csig,
357 MonoJitArgumentInfo *arg_info)
359 int k, frame_size = 0;
360 int size, align, pad;
363 if (MONO_TYPE_ISSTRUCT (csig->ret)) {
364 frame_size += sizeof (gpointer);
368 arg_info [0].offset = offset;
371 frame_size += sizeof (gpointer);
375 arg_info [0].size = frame_size;
377 for (k = 0; k < param_count; k++) {
380 size = mono_type_native_stack_size (csig->params [k], &align);
382 size = mini_type_stack_size (NULL, csig->params [k], &align);
384 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
385 arg_info [k].pad = pad;
387 arg_info [k + 1].pad = 0;
388 arg_info [k + 1].size = size;
390 arg_info [k + 1].offset = offset;
394 align = MONO_ARCH_FRAME_ALIGNMENT;
395 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
396 arg_info [k].pad = pad;
401 /*========================= End of Function ========================*/
403 /*------------------------------------------------------------------*/
405 /* Name - retFitsInReg. */
407 /* Function - Determines if a value can be returned in one or */
410 /*------------------------------------------------------------------*/
412 static inline gboolean
413 retFitsInReg(guint32 size)
428 /*========================= End of Function ========================*/
430 /*------------------------------------------------------------------*/
432 /* Name - backStackPtr. */
434 /* Function - Restore Stack Pointer to previous frame. */
436 /*------------------------------------------------------------------*/
438 static inline guint8 *
439 backUpStackPtr(MonoCompile *cfg, guint8 *code, gint framePtr)
441 int stackSize = cfg->stack_usage;
443 if (s390_is_uimm16 (cfg->stack_usage)) {
444 s390_ahi (code, framePtr, cfg->stack_usage);
446 while (stackSize > 32767) {
447 s390_ahi (code, framePtr, 32767);
450 s390_ahi (code, framePtr, stackSize);
455 /*========================= End of Function ========================*/
457 /*------------------------------------------------------------------*/
461 /* Function - Perform nice indenting to current level */
463 /*------------------------------------------------------------------*/
469 indent_level += diff;
476 indent_level += diff;
479 /*========================= End of Function ========================*/
481 /*------------------------------------------------------------------*/
483 /* Name - decodeParm */
485 /* Function - Decode a parameter for the trace. */
487 /*------------------------------------------------------------------*/
490 decodeParm(MonoType *type, void *curParm, int size)
495 printf("[BYREF:%p], ", *((char **) curParm));
497 simpleType = mono_type_get_underlying_type(type)->type;
499 switch (simpleType) {
501 printf ("[INTPTR:%p], ", *((int **) curParm));
504 printf ("[UINTPTR:%p], ", *((int **) curParm));
506 case MONO_TYPE_BOOLEAN :
507 printf ("[BOOL:%d], ", *((int *) curParm));
509 case MONO_TYPE_CHAR :
510 printf ("[CHAR:%c], ", *((int *) curParm));
513 printf ("[INT1:%d], ", *((int *) curParm));
516 printf ("[INT2:%d], ", *((int *) curParm));
519 printf ("[INT4:%d], ", *((int *) curParm));
522 printf ("[UINT1:%u], ", *((unsigned int *) curParm));
525 printf ("[UINT2:%u], ", *((guint16 *) curParm));
528 printf ("[UINT4:%u], ", *((guint32 *) curParm));
531 printf ("[UINT8:%llu], ", *((guint64 *) curParm));
533 case MONO_TYPE_STRING : {
534 MonoString *s = *((MonoString **) curParm);
536 g_assert (((MonoObject *) s)->vtable->klass == mono_defaults.string_class);
537 printf("[STRING:%p:%s], ", s, mono_string_to_utf8(s));
539 printf("[STRING:null], ");
543 case MONO_TYPE_CLASS :
544 case MONO_TYPE_OBJECT : {
545 MonoObject *obj = *((MonoObject **) curParm);
547 if ((obj) && (obj->vtable)) {
548 printf("[CLASS/OBJ:");
549 class = obj->vtable->klass;
550 printf("%p [%p] ",obj,curParm);
551 // if (class == mono_defaults.string_class) {
552 // printf("[STRING:%p:%s]",
553 // *obj, mono_string_to_utf8 (obj));
554 // } else if (class == mono_defaults.int32_class) {
555 // printf("[INT32:%p:%d]",
556 // obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
558 // printf("[%s.%s:%p]",
559 // class->name_space, class->name, obj);
562 printf("[OBJECT:null], ");
567 printf("[PTR:%p], ", *((gpointer **) (curParm)));
569 case MONO_TYPE_FNPTR :
570 printf("[FNPTR:%p], ", *((gpointer **) (curParm)));
572 case MONO_TYPE_ARRAY :
573 printf("[ARRAY:%p], ", *((gpointer **) (curParm)));
575 case MONO_TYPE_SZARRAY :
576 printf("[SZARRAY:%p], ", *((gpointer **) (curParm)));
579 printf("[INT8:%lld], ", *((gint64 *) (curParm)));
582 printf("[FLOAT4:%g], ", *((double *) (curParm)));
585 printf("[FLOAT8:%g], ", *((double *) (curParm)));
587 case MONO_TYPE_VALUETYPE : {
589 MonoMarshalType *info;
591 if (type->data.klass->enumtype) {
592 simpleType = type->data.klass->enum_basetype->type;
593 printf("{VALUETYPE} - ");
597 info = mono_marshal_load_type_info (type->data.klass);
599 if ((info->native_size == sizeof(float)) &&
600 (info->num_fields == 1) &&
601 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
602 printf("[FLOAT4:%f], ", *((float *) (curParm)));
606 if ((info->native_size == sizeof(double)) &&
607 (info->num_fields == 1) &&
608 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
609 printf("[FLOAT8:%g], ", *((double *) (curParm)));
613 printf("[VALUETYPE:");
614 for (i = 0; i < size; i++)
615 printf("%02x,", *((guint8 *)curParm+i));
619 case MONO_TYPE_TYPEDBYREF: {
621 printf("[TYPEDBYREF:");
622 for (i = 0; i < size; i++)
623 printf("%02x,", *((guint8 *)curParm+i));
628 printf("[?? - %d], ",simpleType);
633 /*========================= End of Function ========================*/
635 // static int lc = 0;
637 /*------------------------------------------------------------------*/
639 /* Name - enter_method */
641 /* Function - Perform tracing of the entry to the current */
644 /*------------------------------------------------------------------*/
647 enter_method (MonoMethod *method, RegParm *rParm, char *sp)
649 int i, oParm = 0, iParm = 0;
651 MonoMethodSignature *sig;
658 fname = mono_method_full_name (method, TRUE);
660 printf ("ENTER: %s(", fname);
663 ip = (*(guint32 *) (sp+S390_RET_ADDR_OFFSET)) & 0x7fffffff;
664 printf (") ip: %p sp: %p - ", (gpointer) ip, sp);
669 sig = mono_method_signature (method);
671 cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
673 if (cinfo->struct_ret) {
674 printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
679 gpointer *this = (gpointer *) rParm->gr[iParm];
680 obj = (MonoObject *) this;
681 if (method->klass->valuetype) {
683 printf("this:[value:%p:%08x], ",
684 this, *((guint32 *)(this+sizeof(MonoObject))));
686 printf ("this:[NULL], ");
689 // class = obj->vtable->klass;
690 // if (class == mono_defaults.string_class) {
691 // printf ("this:[STRING:%p:%s], ",
692 // obj, mono_string_to_utf8 ((MonoString *)obj));
694 // printf ("this:%p[%s.%s], ",
695 // obj, class->name_space, class->name);
697 printf("this:%p, ",obj);
699 printf ("this:NULL, ");
704 for (i = 0; i < sig->param_count; ++i) {
705 ainfo = &cinfo->args[i + oParm];
706 switch (ainfo->regtype) {
707 case RegTypeGeneral :
708 decodeParm(sig->params[i], &(rParm->gr[ainfo->reg-2]), ainfo->size);
711 decodeParm(sig->params[i], &(rParm->fp[ainfo->reg]), ainfo->size);
714 decodeParm(sig->params[i], sp+ainfo->offset, ainfo->size);
716 case RegTypeStructByVal :
717 if (ainfo->reg != STK_BASE)
718 curParm = &(rParm->gr[ainfo->reg-2]);
720 curParm = sp+ainfo->offset;
722 if (retFitsInReg (ainfo->vtsize))
723 decodeParm(sig->params[i],
727 decodeParm(sig->params[i],
728 *((char **) curParm),
731 case RegTypeStructByAddr :
732 if (ainfo->reg != STK_BASE)
733 curParm = &(rParm->gr[ainfo->reg-2]);
735 curParm = sp+ainfo->offset;
737 decodeParm(sig->params[i],
738 *((char **) curParm),
750 /*========================= End of Function ========================*/
752 /*------------------------------------------------------------------*/
754 /* Name - leave_method */
758 /*------------------------------------------------------------------*/
761 leave_method (MonoMethod *method, ...)
768 va_start(ap, method);
770 fname = mono_method_full_name (method, TRUE);
772 printf ("LEAVE: %s", fname);
775 type = mono_method_signature (method)->ret;
778 switch (type->type) {
781 case MONO_TYPE_BOOLEAN: {
782 int val = va_arg (ap, int);
784 printf ("[TRUE:%d]", val);
790 case MONO_TYPE_CHAR: {
791 int val = va_arg (ap, int);
792 printf ("[CHAR:%d]", val);
796 int val = va_arg (ap, int);
797 printf ("[INT1:%d]", val);
801 int val = va_arg (ap, int);
802 printf ("[UINT1:%d]", val);
806 int val = va_arg (ap, int);
807 printf ("[INT2:%d]", val);
811 int val = va_arg (ap, int);
812 printf ("[UINT2:%d]", val);
816 int val = va_arg (ap, int);
817 printf ("[INT4:%d]", val);
821 int val = va_arg (ap, int);
822 printf ("[UINT4:%d]", val);
826 int val = va_arg (ap, int);
827 printf ("[INT:%d]", val);
832 int val = va_arg (ap, int);
833 printf ("[UINT:%d]", val);
837 case MONO_TYPE_STRING: {
838 MonoString *s = va_arg (ap, MonoString *);
841 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
842 printf ("[STRING:%p:%s]", s, mono_string_to_utf8 (s));
844 printf ("[STRING:null], ");
847 case MONO_TYPE_CLASS:
848 case MONO_TYPE_OBJECT: {
849 MonoObject *o = va_arg (ap, MonoObject *);
851 // if ((o) && (o->vtable)) {
852 // if (o->vtable->klass == mono_defaults.boolean_class) {
853 // printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
854 // } else if (o->vtable->klass == mono_defaults.int32_class) {
855 // printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
856 // } else if (o->vtable->klass == mono_defaults.int64_class) {
857 // printf ("[INT64:%p:%lld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
859 // printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
861 printf ("[OBJECT:%p]", o);
866 case MONO_TYPE_FNPTR:
867 case MONO_TYPE_ARRAY:
868 case MONO_TYPE_SZARRAY: {
869 gpointer p = va_arg (ap, gpointer);
870 printf ("[result=%p]", p);
874 gint64 l = va_arg (ap, gint64);
875 printf ("[LONG:%lld]", l);
879 guint64 l = va_arg (ap, guint64);
880 printf ("[ULONG:%llu]", l);
885 f = va_arg (ap, double);
886 printf ("[FLOAT4:%g]\n", f);
890 double f = va_arg (ap, double);
891 printf ("[FLOAT8:%g]\n", f);
894 case MONO_TYPE_VALUETYPE: {
895 MonoMarshalType *info;
896 if (type->data.klass->enumtype) {
897 type = type->data.klass->enum_basetype;
900 guint8 *p = va_arg (ap, gpointer);
903 info = mono_marshal_load_type_info (type->data.klass);
905 if ((info->native_size == sizeof(float)) &&
906 (info->num_fields == 1) &&
907 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
908 double f = va_arg (ap, double);
909 printf("[FLOAT4:%g]\n", (double) f);
913 if ((info->native_size == sizeof(double)) &&
914 (info->num_fields == 1) &&
915 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
916 double f = va_arg (ap, double);
917 printf("[FLOAT8:%g]\n", f);
921 size = mono_type_size (type, &align);
928 for (j = 0; p && j < size; j++)
929 printf ("%02x,", p [j]);
933 printf ("[VALUERET]\n");
938 case MONO_TYPE_TYPEDBYREF: {
939 guint8 *p = va_arg (ap, gpointer);
941 size = mono_type_size (type, &align);
948 for (j = 0; p && j < size; j++)
949 printf ("%02x,", p [j]);
953 printf ("[TYPEDBYREF]\n");
958 printf ("(unknown return type %x)",
959 mono_method_signature (method)->ret->type);
962 ip = ((gint32) __builtin_return_address (0)) & 0x7fffffff;
963 printf (" ip: %p\n", (gpointer) ip);
966 /*========================= End of Function ========================*/
968 /*------------------------------------------------------------------*/
970 /* Name - mono_arch_cpu_init */
972 /* Function - Perform CPU specific initialization to execute */
975 /*------------------------------------------------------------------*/
978 mono_arch_cpu_init (void)
982 /*--------------------------------------*/
983 /* Set default rounding mode for FP */
984 /*--------------------------------------*/
985 __asm__ ("SRNM\t%0\n\t"
989 /*========================= End of Function ========================*/
993 * Initialize architecture specific code.
996 mono_arch_init (void)
1001 * Cleanup architecture specific code.
1004 mono_arch_cleanup (void)
1008 /*------------------------------------------------------------------*/
1010 /* Name - mono_arch_cpu_optimizazions */
1012 /* Function - Returns the optimizations supported on this CPU */
1014 /*------------------------------------------------------------------*/
1017 mono_arch_cpu_optimizazions (guint32 *exclude_mask)
1021 /*----------------------------------------------------------*/
1022 /* no s390-specific optimizations yet */
1023 /*----------------------------------------------------------*/
1024 *exclude_mask = MONO_OPT_INLINE|MONO_OPT_LINEARS;
1025 // *exclude_mask = MONO_OPT_INLINE;
1029 /*========================= End of Function ========================*/
1031 /*------------------------------------------------------------------*/
1037 /*------------------------------------------------------------------*/
1040 is_regsize_var (MonoType *t) {
1043 switch (mono_type_get_underlying_type (t)->type) {
1049 case MONO_TYPE_FNPTR:
1051 case MONO_TYPE_OBJECT:
1052 case MONO_TYPE_STRING:
1053 case MONO_TYPE_CLASS:
1054 case MONO_TYPE_SZARRAY:
1055 case MONO_TYPE_ARRAY:
1057 case MONO_TYPE_VALUETYPE:
1058 if (t->data.klass->enumtype)
1059 return is_regsize_var (t->data.klass->enum_basetype);
1065 /*========================= End of Function ========================*/
1067 /*------------------------------------------------------------------*/
1069 /* Name - mono_arch_get_allocatable_int_vars */
1073 /*------------------------------------------------------------------*/
1076 mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
1081 for (i = 0; i < cfg->num_varinfo; i++) {
1082 MonoInst *ins = cfg->varinfo [i];
1083 MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
1086 if (vmv->range.first_use.abs_pos >= vmv->range.last_use.abs_pos)
1089 if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) ||
1090 (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
1093 /* we can only allocate 32 bit values */
1094 if (is_regsize_var (ins->inst_vtype)) {
1095 g_assert (MONO_VARINFO (cfg, i)->reg == -1);
1096 g_assert (i == vmv->idx);
1097 vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
1104 /*========================= End of Function ========================*/
1106 /*------------------------------------------------------------------*/
1108 /* Name - mono_arch_global_int_regs */
1110 /* Function - Return a list of usable integer registers. */
1112 /*------------------------------------------------------------------*/
1115 mono_arch_get_global_int_regs (MonoCompile *cfg)
1118 MonoMethodHeader *header;
1121 header = mono_method_get_header (cfg->method);
1122 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1123 cfg->frame_reg = s390_r11;
1125 for (i = 8; i < top; ++i) {
1126 if (cfg->frame_reg != i)
1127 regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
1133 /*========================= End of Function ========================*/
1135 /*------------------------------------------------------------------*/
1137 /* Name - mono_arch_flush_icache */
1139 /* Function - Flush the CPU icache. */
1141 /*------------------------------------------------------------------*/
1144 mono_arch_flush_icache (guint8 *code, gint size)
1148 /*========================= End of Function ========================*/
1150 /*------------------------------------------------------------------*/
1152 /* Name - add_general */
1154 /* Function - Determine code and stack size incremements for a */
1157 /*------------------------------------------------------------------*/
1160 add_general (guint *gr, size_data *sz, ArgInfo *ainfo, gboolean simple)
1165 if (*gr > S390_LAST_ARG_REG) {
1166 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1167 ainfo->offset = sz->stack_size;
1168 ainfo->reg = STK_BASE;
1169 ainfo->regtype = RegTypeBase;
1170 sz->stack_size += sizeof(int);
1171 sz->local_size += sizeof(int);
1172 sz->offStruct += sizeof(int);
1173 sz->code_size += 12;
1179 if (*gr > S390_LAST_ARG_REG - 1) {
1180 disp = sz->stack_size;
1181 sz->stack_size = S390_ALIGN(sz->stack_size, S390_STACK_ALIGNMENT);
1182 disp = sz->stack_size - disp;
1183 ainfo->offset = sz->stack_size;
1184 ainfo->reg = STK_BASE;
1185 ainfo->regtype = RegTypeBase;
1186 sz->stack_size += sizeof(long long);
1187 sz->local_size += (sizeof(long long) + disp);
1188 sz->offStruct += (sizeof(long long) + disp);
1189 sz->code_size += 10;
1199 /*========================= End of Function ========================*/
1201 /*------------------------------------------------------------------*/
1203 /* Name - add_stackParm */
1205 /* Function - Determine code and stack size incremements for a */
1208 /*------------------------------------------------------------------*/
1211 add_stackParm (guint *gr, size_data *sz, ArgInfo *ainfo, gint size)
1213 if (*gr > S390_LAST_ARG_REG) {
1214 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1215 ainfo->reg = STK_BASE;
1216 sz->parm_size += sizeof(gpointer);
1217 sz->offStruct += sizeof(gpointer);
1222 ainfo->offset = sz->stack_size;
1223 ainfo->offparm = sz->offset;
1224 sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
1226 ainfo->regtype = RegTypeStructByAddr;
1227 ainfo->vtsize = size;
1228 sz->parm_size += size;
1231 /*========================= End of Function ========================*/
1233 /*------------------------------------------------------------------*/
1235 /* Name - add_float */
1237 /* Function - Determine code and stack size incremements for a */
1238 /* float parameter. */
1240 /*------------------------------------------------------------------*/
1243 add_float (guint *fr, size_data *sz, ArgInfo *ainfo)
1245 if ((*fr) <= S390_LAST_FPARG_REG) {
1246 ainfo->regtype = RegTypeFP;
1252 ainfo->offset = sz->stack_size;
1253 ainfo->reg = STK_BASE;
1254 ainfo->regtype = RegTypeBase;
1256 sz->stack_size += ainfo->size;
1257 sz->local_size += ainfo->size;
1258 sz->offStruct += ainfo->size;
1262 /*========================= End of Function ========================*/
1264 /*------------------------------------------------------------------*/
1266 /* Name - get_call_info */
1268 /* Function - Determine the amount of space required for code */
1269 /* and stack. In addition determine starting points */
1270 /* for stack-based parameters, and area for struct- */
1271 /* ures being returned on the stack. */
1273 /*------------------------------------------------------------------*/
1276 get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
1278 guint i, fr, gr, size;
1279 int nParm = sig->hasthis + sig->param_count;
1281 guint32 simpletype, align;
1284 MonoGenericSharingContext *gsctx = cfg ? cfg->generic_sharing_context : NULL;
1287 cinfo = mono_mempool_alloc0 (mp, sizeof (CallInfo) + (sizeof (ArgInfo) * nParm));
1289 cinfo = g_malloc0 (sizeof (CallInfo) + (sizeof (ArgInfo) * nParm));
1294 cinfo->struct_ret = 0;
1297 sz->offStruct = S390_MINIMAL_STACK_SIZE;
1299 sz->stack_size = S390_MINIMAL_STACK_SIZE;
1304 /*----------------------------------------------------------*/
1305 /* We determine the size of the return code/stack in case we*/
1306 /* need to reserve a register to be used to address a stack */
1307 /* area that the callee will use. */
1308 /*----------------------------------------------------------*/
1310 ret_type = mono_type_get_underlying_type (sig->ret);
1311 ret_type = mini_get_basic_type_from_generic (gsctx, ret_type);
1312 simpletype = ret_type->type;
1314 switch (simpletype) {
1315 case MONO_TYPE_BOOLEAN:
1320 case MONO_TYPE_CHAR:
1325 case MONO_TYPE_CLASS:
1326 case MONO_TYPE_OBJECT:
1327 case MONO_TYPE_SZARRAY:
1328 case MONO_TYPE_ARRAY:
1330 case MONO_TYPE_FNPTR:
1331 case MONO_TYPE_STRING:
1332 cinfo->ret.reg = s390_r2;
1337 cinfo->ret.reg = s390_f0;
1342 cinfo->ret.reg = s390_r2;
1345 case MONO_TYPE_GENERICINST:
1346 if (!mono_type_generic_inst_is_valuetype (sig->ret)) {
1347 cinfo->ret.reg = s390_r2;
1352 case MONO_TYPE_VALUETYPE: {
1353 MonoClass *klass = mono_class_from_mono_type (sig->ret);
1354 if (klass->enumtype) {
1355 simpletype = klass->enum_basetype->type;
1359 size = mono_class_native_size (klass, &align);
1361 size = mono_class_value_size (klass, &align);
1363 cinfo->ret.reg = s390_r2;
1364 cinfo->struct_ret = 1;
1365 cinfo->ret.size = size;
1366 cinfo->ret.vtsize = size;
1370 case MONO_TYPE_TYPEDBYREF:
1371 size = sizeof (MonoTypedRef);
1372 cinfo->ret.reg = s390_r2;
1373 cinfo->struct_ret = 1;
1374 cinfo->ret.size = size;
1375 cinfo->ret.vtsize = size;
1378 case MONO_TYPE_VOID:
1381 g_error ("mini-s390: cannot handle as return value 0x%x (0x%x)", sig->ret->type,simpletype);
1385 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1386 cinfo->args[nParm].size = sizeof(gpointer);
1390 /*----------------------------------------------------------*/
1391 /* We determine the size of the parameter code and stack */
1392 /* requirements by checking the types and sizes of the */
1394 /*----------------------------------------------------------*/
1396 for (i = 0; i < sig->param_count; ++i) {
1399 /*--------------------------------------------------*/
1400 /* Handle vararg type calls. All args are put on */
1402 /*--------------------------------------------------*/
1403 if ((sig->call_convention == MONO_CALL_VARARG) &&
1404 (i == sig->sentinelpos)) {
1405 gr = S390_LAST_ARG_REG + 1;
1406 add_general (&gr, sz, &cinfo->sigCookie, TRUE);
1409 if (sig->params [i]->byref) {
1410 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1411 cinfo->args[nParm].size = sizeof(gpointer);
1416 ptype = mono_type_get_underlying_type (sig->params [i]);
1417 ptype = mini_get_basic_type_from_generic (gsctx, ptype);
1418 simpletype = ptype->type;
1419 switch (simpletype) {
1420 case MONO_TYPE_BOOLEAN:
1423 cinfo->args[nParm].size = sizeof(char);
1424 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1429 case MONO_TYPE_CHAR:
1430 cinfo->args[nParm].size = sizeof(short);
1431 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1436 cinfo->args[nParm].size = sizeof(int);
1437 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1443 case MONO_TYPE_FNPTR:
1444 case MONO_TYPE_CLASS:
1445 case MONO_TYPE_OBJECT:
1446 case MONO_TYPE_STRING:
1447 case MONO_TYPE_SZARRAY:
1448 case MONO_TYPE_ARRAY:
1449 cinfo->args[nParm].size = sizeof(gpointer);
1450 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1455 cinfo->args[nParm].size = sizeof(long long);
1456 add_general (&gr, sz, cinfo->args+nParm, FALSE);
1460 cinfo->args[nParm].size = sizeof(float);
1461 add_float (&fr, sz, cinfo->args+nParm);
1465 cinfo->args[nParm].size = sizeof(double);
1466 add_float (&fr, sz, cinfo->args+nParm);
1469 case MONO_TYPE_GENERICINST:
1470 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
1471 cinfo->args[nParm].size = sizeof(gpointer);
1472 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1477 case MONO_TYPE_VALUETYPE: {
1478 MonoMarshalType *info;
1479 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
1481 size = mono_class_native_size (klass, &align);
1483 size = mono_class_value_size (klass, &align);
1485 info = mono_marshal_load_type_info (klass);
1487 if ((info->native_size == sizeof(float)) &&
1488 (info->num_fields == 1) &&
1489 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
1490 cinfo->args[nParm].size = sizeof(float);
1491 add_float(&fr, sz, cinfo->args+nParm);
1495 if ((info->native_size == sizeof(double)) &&
1496 (info->num_fields == 1) &&
1497 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
1498 cinfo->args[nParm].size = sizeof(double);
1499 add_float(&fr, sz, cinfo->args+nParm);
1503 cinfo->args[nParm].vtsize = 0;
1504 cinfo->args[nParm].size = 0;
1507 /*----------------------------------*/
1508 /* On S/390, structures of size 1, */
1509 /* 2, 4, and 8 bytes are passed in */
1510 /* (a) register(s). */
1511 /*----------------------------------*/
1516 add_general(&gr, sz, cinfo->args+nParm, TRUE);
1517 cinfo->args[nParm].size = size;
1518 cinfo->args[nParm].regtype = RegTypeStructByVal;
1520 sz->local_size += sizeof(long);
1523 add_general(&gr, sz, cinfo->args+nParm, FALSE);
1524 cinfo->args[nParm].size = sizeof(long long);
1525 cinfo->args[nParm].regtype = RegTypeStructByVal;
1527 sz->local_size += sizeof(long long);
1530 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1535 case MONO_TYPE_TYPEDBYREF: {
1536 int size = sizeof (MonoTypedRef);
1538 cinfo->args[nParm].vtsize = 0;
1539 cinfo->args[nParm].size = 0;
1542 /*----------------------------------*/
1543 /* On S/390, structures of size 1, */
1544 /* 2, 4, and 8 bytes are passed in */
1545 /* (a) register(s). */
1546 /*----------------------------------*/
1551 add_general(&gr, sz, cinfo->args+nParm, TRUE);
1552 cinfo->args[nParm].size = size;
1553 cinfo->args[nParm].regtype = RegTypeStructByVal;
1555 sz->local_size += sizeof(long);
1558 add_general(&gr, sz, cinfo->args+nParm, FALSE);
1559 cinfo->args[nParm].size = sizeof(long long);
1560 cinfo->args[nParm].regtype = RegTypeStructByVal;
1562 sz->local_size += sizeof(long long);
1565 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1571 g_error ("Can't trampoline 0x%x", sig->params [i]->type);
1575 /*----------------------------------------------------------*/
1576 /* If we are passing a structure back then if it won't be */
1577 /* in a register(s) then we make room at the end of the */
1578 /* parameters that may have been placed on the stack */
1579 /*----------------------------------------------------------*/
1580 if (cinfo->struct_ret) {
1581 cinfo->ret.offset = sz->stack_size;
1582 switch (cinfo->ret.size) {
1590 sz->stack_size += S390_ALIGN(cinfo->ret.size, align);
1594 /*----------------------------------------------------------*/
1595 /* Handle the case where there are no implicit arguments */
1596 /*----------------------------------------------------------*/
1597 if ((sig->call_convention == MONO_CALL_VARARG) &&
1598 (sig->param_count == sig->sentinelpos)) {
1599 gr = S390_LAST_ARG_REG + 1;
1600 add_general (&gr, sz, &cinfo->sigCookie, TRUE);
1604 sz->stack_size = sz->stack_size + sz->local_size + sz->parm_size +
1606 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1611 /*========================= End of Function ========================*/
1613 /*------------------------------------------------------------------*/
1615 /* Name - mono_arch_allocate_vars */
1617 /* Function - Set var information according to the calling */
1618 /* convention for S/390. The local var stuff should */
1619 /* most likely be split in another method. */
1621 /* Parameter - @m - Compile unit. */
1623 /*------------------------------------------------------------------*/
1626 mono_arch_allocate_vars (MonoCompile *cfg)
1628 MonoMethodSignature *sig;
1629 MonoMethodHeader *header;
1632 int iParm, iVar, offset, size, align, curinst;
1633 int frame_reg = STK_BASE;
1636 header = mono_method_get_header (cfg->method);
1638 cfg->flags |= MONO_CFG_HAS_SPILLUP;
1640 /*---------------------------------------------------------*/
1641 /* We use the frame register also for any method that has */
1642 /* filter clauses. This way, when the handlers are called, */
1643 /* the code will reference local variables using the frame */
1644 /* reg instead of the stack pointer: if we had to restore */
1645 /* the stack pointer, we'd corrupt the method frames that */
1646 /* are already on the stack (since filters get called */
1647 /* before stack unwinding happens) when the filter code */
1648 /* would call any method. */
1649 /*---------------------------------------------------------*/
1650 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1651 frame_reg = s390_r11;
1653 cfg->frame_reg = frame_reg;
1655 if (frame_reg != STK_BASE)
1656 cfg->used_int_regs |= 1 << frame_reg;
1658 sig = mono_method_signature (cfg->method);
1660 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
1662 if (cinfo->struct_ret) {
1663 cfg->vret_addr->opcode = OP_REGVAR;
1664 cfg->vret_addr->inst_c0 = s390_r2;
1666 switch (mono_type_get_underlying_type (sig->ret)->type) {
1667 case MONO_TYPE_VOID:
1670 cfg->ret->opcode = OP_REGVAR;
1671 cfg->ret->dreg = s390_r2;
1676 /*--------------------------------------------------------------*/
1677 /* local vars are at a positive offset from the stack pointer */
1678 /* also note that if the function uses alloca, we use s390_r11 */
1679 /* to point at the local variables. */
1680 /* add parameter area size for called functions */
1681 /*--------------------------------------------------------------*/
1682 offset = (cfg->param_area + S390_MINIMAL_STACK_SIZE);
1683 cfg->sig_cookie = 0;
1685 if (cinfo->struct_ret) {
1686 inst = cfg->vret_addr;
1687 offset = S390_ALIGN(offset, sizeof(gpointer));
1688 inst->inst_offset = offset;
1689 inst->opcode = OP_REGOFFSET;
1690 inst->inst_basereg = frame_reg;
1691 offset += sizeof(gpointer);
1692 if ((sig->call_convention == MONO_CALL_VARARG) &&
1693 (!retFitsInReg (cinfo->ret.size)))
1694 cfg->sig_cookie += cinfo->ret.size;
1695 if (G_UNLIKELY (cfg->verbose_level > 1)) {
1696 printf ("vret_addr =");
1697 mono_print_ins (cfg->vret_addr);
1702 inst = cfg->args [0];
1703 if (inst->opcode != OP_REGVAR) {
1704 inst->opcode = OP_REGOFFSET;
1705 inst->inst_basereg = frame_reg;
1706 offset = S390_ALIGN(offset, sizeof(gpointer));
1707 inst->inst_offset = offset;
1708 offset += sizeof (gpointer);
1715 eArg = sig->param_count + sArg;
1717 if (sig->call_convention == MONO_CALL_VARARG)
1718 cfg->sig_cookie += S390_MINIMAL_STACK_SIZE;
1720 for (iParm = sArg; iParm < eArg; ++iParm) {
1721 inst = cfg->args [curinst];
1722 if (inst->opcode != OP_REGVAR) {
1723 switch (cinfo->args[iParm].regtype) {
1724 case RegTypeStructByAddr :
1725 if (cinfo->args[iParm].reg == STK_BASE) {
1726 inst->opcode = OP_S390_LOADARG;
1727 inst->inst_basereg = frame_reg;
1728 size = abs(cinfo->args[iParm].vtsize);
1729 offset = S390_ALIGN(offset, sizeof(long));
1730 inst->inst_offset = offset;
1731 inst->backend.arg_info = cinfo->args[iParm].offset;
1733 inst->opcode = OP_S390_ARGREG;
1734 inst->inst_basereg = frame_reg;
1735 size = sizeof(gpointer);
1736 offset = S390_ALIGN(offset, size);
1737 inst->inst_offset = offset;
1738 inst->backend.arg_info = cinfo->args[iParm].offset;
1741 case RegTypeStructByVal :
1742 inst->opcode = OP_S390_ARGPTR;
1743 inst->inst_basereg = frame_reg;
1744 size = cinfo->args[iParm].size;
1745 offset = S390_ALIGN(offset, size);
1746 inst->inst_offset = offset;
1747 inst->backend.arg_info = cinfo->args[iParm].offset;
1750 if (cinfo->args[iParm].reg != STK_BASE) {
1751 inst->opcode = OP_REGOFFSET;
1752 inst->inst_basereg = frame_reg;
1753 size = (cinfo->args[iParm].size < 8
1755 : sizeof(long long));
1756 offset = S390_ALIGN(offset, size);
1757 inst->inst_offset = offset;
1759 inst->opcode = OP_S390_STKARG;
1760 inst->inst_basereg = frame_reg;
1761 size = (cinfo->args[iParm].size < 4
1762 ? 4 - cinfo->args[iParm].size
1764 inst->inst_offset = cinfo->args[iParm].offset +
1766 inst->backend.arg_info = 0;
1767 size = sizeof(long);
1770 if ((sig->call_convention == MONO_CALL_VARARG) &&
1771 (cinfo->args[iParm].regtype != RegTypeGeneral) &&
1772 (iParm < sig->sentinelpos))
1773 cfg->sig_cookie += size;
1780 curinst = cfg->locals_start;
1781 for (iVar = curinst; iVar < cfg->num_varinfo; ++iVar) {
1782 inst = cfg->varinfo [iVar];
1783 if ((inst->flags & MONO_INST_IS_DEAD) ||
1784 (inst->opcode == OP_REGVAR))
1787 /*--------------------------------------------------*/
1788 /* inst->backend.is_pinvoke indicates native sized value types, */
1789 /* this is used by the pinvoke wrappers when they */
1790 /* call functions returning structure */
1791 /*--------------------------------------------------*/
1792 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
1793 size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype), &align);
1795 size = mono_type_size (inst->inst_vtype, &align);
1797 offset = S390_ALIGN(offset, align);
1798 inst->inst_offset = offset;
1799 inst->opcode = OP_REGOFFSET;
1800 inst->inst_basereg = frame_reg;
1802 DEBUG (g_print("allocating local %d to %ld\n", iVar, inst->inst_offset));
1805 /*------------------------------------------------------*/
1806 /* Allow space for the trace method stack area if needed*/
1807 /*------------------------------------------------------*/
1808 if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method)) {
1809 offset += S390_TRACE_STACK_SIZE;
1812 /*------------------------------------------------------*/
1813 /* Reserve space to save LMF and caller saved registers */
1814 /*------------------------------------------------------*/
1815 if (cfg->method->save_lmf)
1816 offset += sizeof (MonoLMF);
1818 /*------------------------------------------------------*/
1819 /* align the offset */
1820 /*------------------------------------------------------*/
1821 cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
1825 /*========================= End of Function ========================*/
1827 /*------------------------------------------------------------------*/
1829 /* Name - mono_arch_create_vars */
1831 /*------------------------------------------------------------------*/
1834 mono_arch_create_vars (MonoCompile *cfg)
1836 MonoMethodSignature *sig;
1839 sig = mono_method_signature (cfg->method);
1841 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
1843 if (cinfo->struct_ret) {
1844 cfg->vret_addr = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_ARG);
1845 if (G_UNLIKELY (cfg->verbose_level > 1)) {
1846 printf ("vret_addr = ");
1847 mono_print_ins (cfg->vret_addr);
1852 /*========================= End of Function ========================*/
1854 /*------------------------------------------------------------------*/
1856 /* Name - mono_arch_call_opcode */
1858 /* Function - Take the arguments and generate the arch-specific */
1859 /* instructions to properly call the function. This */
1860 /* includes pushing, moving argments to the correct */
1863 /*------------------------------------------------------------------*/
1866 mono_arch_call_opcode (MonoCompile *cfg, MonoBasicBlock* bb,
1867 MonoCallInst *call, int is_virtual)
1870 MonoCallArgParm *arg;
1871 MonoMethodSignature *sig;
1872 int i, n, lParamArea;
1874 ArgInfo *ainfo = NULL;
1877 sig = call->signature;
1878 n = sig->param_count + sig->hasthis;
1879 DEBUG (g_print ("Call requires: %d parameters\n",n));
1881 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
1883 stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
1884 call->stack_usage = MAX(stackSize, call->stack_usage);
1885 lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
1886 cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
1887 cfg->flags |= MONO_CFG_HAS_CALLS;
1889 if (cinfo->struct_ret)
1890 call->used_iregs |= 1 << cinfo->ret.reg;
1892 for (i = 0; i < n; ++i) {
1893 ainfo = cinfo->args + i;
1895 if ((sig->call_convention == MONO_CALL_VARARG) &&
1896 (i == sig->sentinelpos)) {
1897 emit_sig_cookie (cfg, call, cinfo, ainfo->size);
1900 if (is_virtual && i == 0) {
1901 /* the argument will be attached to the call instrucion */
1902 in = call->args [i];
1903 call->used_iregs |= 1 << ainfo->reg;
1905 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG);
1906 in = call->args [i];
1907 arg->ins.cil_code = in->cil_code;
1908 arg->ins.inst_left = in;
1909 arg->ins.type = in->type;
1910 MONO_INST_LIST_ADD_TAIL (&arg->ins.node, &call->out_args);
1911 arg->ins.inst_right = (MonoInst *) call;
1912 if (ainfo->regtype == RegTypeGeneral) {
1913 arg->ins.backend.reg3 = ainfo->reg;
1914 call->used_iregs |= 1 << ainfo->reg;
1915 if (arg->ins.type == STACK_I8)
1916 call->used_iregs |= 1 << (ainfo->reg + 1);
1917 } else if (ainfo->regtype == RegTypeStructByAddr) {
1918 call->used_iregs |= 1 << ainfo->reg;
1919 arg->ins.sreg1 = ainfo->reg;
1920 arg->ins.opcode = OP_OUTARG_VT;
1921 arg->size = -ainfo->vtsize;
1922 arg->offset = ainfo->offset;
1923 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
1924 } else if (ainfo->regtype == RegTypeStructByVal) {
1925 if (ainfo->reg != STK_BASE) {
1926 switch (ainfo->size) {
1931 call->used_iregs |= 1 << ainfo->reg;
1934 call->used_iregs |= 1 << ainfo->reg;
1935 call->used_iregs |= 1 << (ainfo->reg+1);
1938 call->used_iregs |= 1 << ainfo->reg;
1941 arg->ins.sreg1 = ainfo->reg;
1942 arg->ins.opcode = OP_OUTARG_VT;
1943 arg->size = ainfo->size;
1944 arg->offset = ainfo->offset;
1945 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
1946 } else if (ainfo->regtype == RegTypeBase) {
1947 arg->ins.opcode = OP_OUTARG_MEMBASE;
1948 arg->ins.sreg1 = ainfo->reg;
1949 arg->size = ainfo->size;
1950 arg->offset = ainfo->offset;
1951 call->used_iregs |= 1 << ainfo->reg;
1952 } else if (ainfo->regtype == RegTypeFP) {
1953 arg->ins.backend.reg3 = ainfo->reg;
1954 call->used_fregs |= 1 << ainfo->reg;
1955 if (ainfo->size == 4)
1956 arg->ins.opcode = OP_OUTARG_R4;
1958 arg->ins.opcode = OP_OUTARG_R8;
1960 g_assert_not_reached ();
1966 * Handle the case where there are no implicit arguments
1968 if ((sig->call_convention == MONO_CALL_VARARG) &&
1969 (i == sig->sentinelpos)) {
1970 emit_sig_cookie (cfg, call, cinfo, ainfo->size);
1976 /*========================= End of Function ========================*/
1978 /*------------------------------------------------------------------*/
1980 /* Name - emit_sig_cookie. */
1982 /* Function - For variable length parameter lists construct a */
1983 /* signature cookie and emit it. */
1985 /*------------------------------------------------------------------*/
1988 emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call,
1989 CallInfo *cinfo, int argSize)
1991 MonoCallArgParm *arg;
1992 MonoMethodSignature *tmpSig;
1995 cfg->disable_aot = TRUE;
1997 /*----------------------------------------------------------*/
1998 /* mono_ArgIterator_Setup assumes the signature cookie is */
1999 /* passed first and all the arguments which were before it */
2000 /* passed on the stack after the signature. So compensate */
2001 /* by passing a different signature. */
2002 /*----------------------------------------------------------*/
2003 tmpSig = mono_metadata_signature_dup (call->signature);
2004 tmpSig->param_count -= call->signature->sentinelpos;
2005 tmpSig->sentinelpos = 0;
2006 if (tmpSig->param_count > 0)
2007 memcpy (tmpSig->params,
2008 call->signature->params + call->signature->sentinelpos,
2009 tmpSig->param_count * sizeof(MonoType *));
2011 MONO_INST_NEW (cfg, sigArg, OP_ICONST);
2012 sigArg->inst_p0 = tmpSig;
2014 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG_MEMBASE);
2015 arg->ins.inst_left = sigArg;
2016 arg->ins.inst_right = (MonoInst *) call;
2017 arg->size = argSize;
2018 arg->offset = cinfo->sigCookie.offset;
2019 MONO_INST_LIST_ADD_TAIL (&arg->ins.node, &call->out_args);
2022 /*========================= End of Function ========================*/
2024 /*------------------------------------------------------------------*/
2026 /* Name - mono_arch_instrument_mem_needs */
2028 /* Function - Allow tracing to work with this interface (with */
2029 /* an optional argument). */
2031 /*------------------------------------------------------------------*/
2034 mono_arch_instrument_mem_needs (MonoMethod *method, int *stack, int *code)
2036 /* no stack room needed now (may be needed for FASTCALL-trace support) */
2038 /* split prolog-epilog requirements? */
2039 *code = 50; /* max bytes needed: check this number */
2042 /*========================= End of Function ========================*/
2044 /*------------------------------------------------------------------*/
2046 /* Name - mono_arch_instrument_prolog */
2048 /* Function - Create an "instrumented" prolog. */
2050 /*------------------------------------------------------------------*/
2053 mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
2054 gboolean enable_arguments)
2061 parmOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2062 if (cfg->method->save_lmf)
2063 parmOffset -= sizeof(MonoLMF);
2064 fpOffset = parmOffset + (5*sizeof(gint32));
2065 if (fpOffset > 4096) {
2066 s390_lr (code, s390_r12, STK_BASE);
2068 while (fpOffset > 4096) {
2069 s390_ahi (code, baseReg, 4096);
2077 s390_stm (code, s390_r2, s390_r6, baseReg, parmOffset);
2078 s390_std (code, s390_f0, 0, baseReg, fpOffset);
2079 s390_std (code, s390_f1, 0, baseReg, fpOffset+sizeof(gdouble));
2080 s390_std (code, s390_f2, 0, baseReg, fpOffset+2*sizeof(gdouble));
2081 s390_basr (code, s390_r13, 0);
2083 s390_word (code, cfg->method);
2084 s390_word (code, func);
2085 s390_l (code, s390_r2, 0, s390_r13, 4);
2086 s390_la (code, s390_r3, 0, baseReg, parmOffset);
2087 s390_lr (code, s390_r4, STK_BASE);
2088 s390_ahi (code, s390_r4, cfg->stack_usage);
2089 s390_l (code, s390_r1, 0, s390_r13, 8);
2090 s390_basr (code, s390_r14, s390_r1);
2091 s390_ld (code, s390_f2, 0, baseReg, fpOffset+2*sizeof(gdouble));
2092 s390_ld (code, s390_f1, 0, baseReg, fpOffset+sizeof(gdouble));
2093 s390_ld (code, s390_f0, 0, baseReg, fpOffset);
2094 s390_lm (code, s390_r2, s390_r6, baseReg, parmOffset);
2099 /*========================= End of Function ========================*/
2101 /*------------------------------------------------------------------*/
2103 /* Name - mono_arch_instrument_epilog */
2105 /* Function - Create an epilog that will handle the returned */
2106 /* values used in instrumentation. */
2108 /*------------------------------------------------------------------*/
2111 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
2114 int save_mode = SAVE_NONE,
2116 MonoMethod *method = cfg->method;
2117 int rtype = mono_type_get_underlying_type (mono_method_signature (method)->ret)->type;
2119 saveOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2120 if (method->save_lmf)
2121 saveOffset -= sizeof(MonoLMF);
2125 case MONO_TYPE_VOID:
2126 /* special case string .ctor icall */
2127 if (strcmp (".ctor", method->name) && method->klass == mono_defaults.string_class)
2128 save_mode = SAVE_ONE;
2130 save_mode = SAVE_NONE;
2134 save_mode = SAVE_TWO;
2137 save_mode = SAVE_R4;
2140 save_mode = SAVE_R8;
2142 case MONO_TYPE_VALUETYPE:
2143 if (mono_method_signature (method)->ret->data.klass->enumtype) {
2144 rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
2147 save_mode = SAVE_STRUCT;
2150 save_mode = SAVE_ONE;
2154 switch (save_mode) {
2156 s390_stm (code, s390_r2, s390_r3, cfg->frame_reg, saveOffset);
2157 if (enable_arguments) {
2158 s390_lr (code, s390_r4, s390_r3);
2159 s390_lr (code, s390_r3, s390_r2);
2163 s390_st (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2164 if (enable_arguments) {
2165 s390_lr (code, s390_r3, s390_r2);
2169 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2170 if (enable_arguments) {
2171 s390_ldebr (code, s390_f0, s390_f0);
2175 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2178 s390_st (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2179 if (enable_arguments) {
2180 s390_l (code, s390_r3, 0, cfg->frame_reg,
2181 S390_MINIMAL_STACK_SIZE+cfg->param_area);
2189 s390_basr (code, s390_r13, 0);
2191 s390_word (code, cfg->method);
2192 s390_word (code, func);
2193 s390_l (code, s390_r2, 0, s390_r13, 4);
2194 s390_l (code, s390_r1, 0, s390_r13, 8);
2195 s390_basr (code, s390_r14, s390_r1);
2197 switch (save_mode) {
2199 s390_lm (code, s390_r2, s390_r3, cfg->frame_reg, saveOffset);
2202 s390_l (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2206 s390_ld (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2209 s390_l (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2219 /*========================= End of Function ========================*/
2222 mono_arch_peephole_pass_1 (MonoCompile *cfg, MonoBasicBlock *bb)
2226 /*------------------------------------------------------------------*/
2228 /* Name - mono_arch_peephole_pass */
2230 /* Function - Form a peephole pass at the code looking for */
2231 /* simple optimizations. */
2233 /*------------------------------------------------------------------*/
2236 mono_arch_peephole_pass_2 (MonoCompile *cfg, MonoBasicBlock *bb)
2240 MONO_BB_FOR_EACH_INS_SAFE (bb, n, ins) {
2241 mono_peephole_ins (bb, ins);
2245 /*========================= End of Function ========================*/
2247 #define NEW_INS(cfg,dest,op) do { \
2248 MONO_INST_NEW ((cfg), (dest), (op)); \
2249 MONO_INST_LIST_ADD_TAIL (&(dest)->node, &(ins)->node); \
2253 mono_arch_lowering_pass (MonoCompile *cfg, MonoBasicBlock *bb)
2255 MonoInst *ins, *next, *temp;
2257 if (bb->max_vreg > cfg->rs->next_vreg)
2258 cfg->rs->next_vreg = bb->max_vreg;
2260 MONO_BB_FOR_EACH_INS_SAFE (bb, next, ins) {
2261 switch (ins->opcode) {
2266 case OP_IDIV_UN_IMM:
2267 case OP_IREM_UN_IMM:
2268 NEW_INS (cfg, temp, OP_ICONST);
2269 temp->inst_c0 = ins->inst_imm;
2270 temp->dreg = mono_regstate_next_int (cfg->rs);
2271 ins->opcode = mono_op_imm_to_op (ins->opcode);
2272 ins->sreg2 = temp->dreg;
2279 bb->max_vreg = cfg->rs->next_vreg;
2282 /*========================= End of Function ========================*/
2284 /*------------------------------------------------------------------*/
2286 /* Name - emit_float_to_int */
2288 /* Function - Create instructions which will convert a floating */
2289 /* point value to integer. */
2291 /*------------------------------------------------------------------*/
2294 emit_float_to_int (MonoCompile *cfg, guchar *code, int dreg, int sreg, int size, gboolean is_signed)
2296 /* sreg is a float, dreg is an integer reg. */
2298 s390_cfdbr (code, dreg, 5, sreg);
2301 s390_lhi (code, s390_r0, 0);
2302 s390_lhi (code, s390_r13, 0xff);
2303 s390_ltr (code, dreg, dreg);
2305 s390_lhi (code, s390_r0, 0x80);
2306 s390_nr (code, dreg, s390_r13);
2307 s390_or (code, dreg, s390_r0);
2312 s390_basr (code, s390_r13, 0);
2314 s390_llong (code, 0x41e0000000000000LL);
2315 s390_llong (code, 0x41f0000000000000LL);
2316 s390_ldr (code, s390_f15, sreg);
2317 s390_cdb (code, s390_f15, 0, s390_r13, 4);
2318 s390_jl (code, 0); CODEPTR(code, o[0]);
2319 s390_sdb (code, s390_f15, 0, s390_r13, 12);
2320 s390_cfdbr (code, dreg, 7, s390_f15);
2322 PTRSLOT(code, o[0]);
2323 s390_cfdbr (code, dreg, 5, sreg);
2326 s390_lhi (code, s390_r0, 0xff);
2327 s390_nr (code, dreg, s390_r0);
2330 s390_lhi (code, s390_r0, -1);
2331 s390_srl (code, s390_r0, 0, 16);
2332 s390_nr (code, dreg, s390_r0);
2339 /*========================= End of Function ========================*/
2341 /*------------------------------------------------------------------*/
2343 /* Name - mono_arch_output_basic_block */
2345 /* Function - Perform the "real" work of emitting instructions */
2346 /* that will do the work of in the basic block. */
2348 /*------------------------------------------------------------------*/
2351 mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
2353 MonoInst *ins, *next;
2356 guint8 *code = cfg->native_code + cfg->code_len;
2357 guint last_offset = 0;
2358 int max_len, cpos, src2;
2360 /* we don't align basic blocks of loops on s390 */
2362 if (cfg->verbose_level > 2)
2363 g_print ("Basic block %d starting at offset 0x%x\n", bb->block_num, bb->native_offset);
2365 cpos = bb->max_offset;
2367 if (cfg->prof_options & MONO_PROFILE_COVERAGE) {
2368 //MonoCoverageInfo *cov = mono_get_coverage_info (cfg->method);
2369 //g_assert (!mono_compile_aot);
2372 // cov->data [bb->dfn].iloffset = bb->cil_code - cfg->cil_code;
2373 /* this is not thread save, but good enough */
2374 /* fixme: howto handle overflows? */
2375 //x86_inc_mem (code, &cov->data [bb->dfn].count);
2378 MONO_BB_FOR_EACH_INS (bb, ins) {
2379 offset = code - cfg->native_code;
2381 max_len = ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
2383 if (offset > (cfg->code_size - max_len - 16)) {
2384 cfg->code_size *= 2;
2385 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
2386 code = cfg->native_code + offset;
2389 mono_debug_record_line_number (cfg, ins, offset);
2391 switch (ins->opcode) {
2392 case OP_STOREI1_MEMBASE_IMM: {
2393 s390_lhi (code, s390_r0, ins->inst_imm);
2394 if (s390_is_uimm12(ins->inst_offset))
2395 s390_stc (code, s390_r0, 0, ins->inst_destbasereg, ins->inst_offset);
2397 s390_basr (code, s390_r13, 0);
2399 s390_word (code, ins->inst_offset);
2400 s390_l (code, s390_r13, 0, s390_r13, 4);
2401 s390_stc (code, s390_r0, s390_r13, ins->inst_destbasereg, 0);
2405 case OP_STOREI2_MEMBASE_IMM: {
2406 s390_lhi (code, s390_r0, ins->inst_imm);
2407 if (s390_is_uimm12(ins->inst_offset)) {
2408 s390_sth (code, s390_r0, 0, ins->inst_destbasereg, ins->inst_offset);
2410 s390_basr (code, s390_r13, 0);
2412 s390_word (code, ins->inst_offset);
2413 s390_l (code, s390_r13, 0, s390_r13, 4);
2414 s390_sth (code, s390_r0, s390_r13, ins->inst_destbasereg, 0);
2418 case OP_STORE_MEMBASE_IMM:
2419 case OP_STOREI4_MEMBASE_IMM: {
2420 if (s390_is_imm16(ins->inst_imm)) {
2421 s390_lhi (code, s390_r0, ins->inst_imm);
2423 s390_basr (code, s390_r13, 0);
2425 s390_word (code, ins->inst_imm);
2426 s390_l (code, s390_r0, 0, s390_r13, 4);
2428 if (s390_is_uimm12(ins->inst_offset)) {
2429 s390_st (code, s390_r0, 0, ins->inst_destbasereg, ins->inst_offset);
2431 s390_basr (code, s390_r13, 0);
2433 s390_word (code, ins->inst_offset);
2434 s390_l (code, s390_r13, 0, s390_r13, 4);
2435 s390_st (code, s390_r0, s390_r13, ins->inst_destbasereg, 0);
2439 case OP_STOREI1_MEMBASE_REG: {
2440 if (s390_is_uimm12(ins->inst_offset)) {
2441 s390_stc (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
2443 s390_basr (code, s390_r13, 0);
2445 s390_word (code, ins->inst_offset);
2446 s390_l (code, s390_r13, 0, s390_r13, 4);
2447 s390_stc (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
2451 case OP_STOREI2_MEMBASE_REG: {
2452 if (s390_is_uimm12(ins->inst_offset)) {
2453 s390_sth (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
2455 s390_basr (code, s390_r13, 0);
2457 s390_word (code, ins->inst_offset);
2458 s390_l (code, s390_r13, 0, s390_r13, 4);
2459 s390_sth (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
2463 case OP_STORE_MEMBASE_REG:
2464 case OP_STOREI4_MEMBASE_REG: {
2465 if (s390_is_uimm12(ins->inst_offset)) {
2466 s390_st (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
2468 s390_basr (code, s390_r13, 0);
2470 s390_word (code, ins->inst_offset);
2471 s390_l (code, s390_r13, 0, s390_r13, 4);
2472 s390_st (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
2477 g_assert_not_reached ();
2479 case OP_LOAD_MEMBASE:
2480 case OP_LOADI4_MEMBASE:
2481 case OP_LOADU4_MEMBASE: {
2482 if (s390_is_uimm12(ins->inst_offset))
2483 s390_l (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
2485 if (s390_is_imm16(ins->inst_offset)) {
2486 s390_lhi (code, s390_r13, ins->inst_offset);
2487 s390_l (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
2489 s390_basr (code, s390_r13, 0);
2491 s390_word (code, ins->inst_offset);
2492 s390_l (code, s390_r13, 0, s390_r13, 4);
2493 s390_l (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
2498 case OP_LOADU1_MEMBASE: {
2499 s390_lhi (code, s390_r0, 0);
2500 if (s390_is_uimm12(ins->inst_offset))
2501 s390_ic (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
2503 s390_basr (code, s390_r13, 0);
2505 s390_word (code, ins->inst_offset);
2506 s390_l (code, s390_r13, 0, s390_r13, 4);
2507 s390_ic (code, s390_r0, s390_r13, ins->inst_basereg, 0);
2509 s390_lr (code, ins->dreg, s390_r0);
2512 case OP_LOADI1_MEMBASE: {
2513 s390_lhi (code, s390_r0, 0);
2514 if (s390_is_uimm12(ins->inst_offset))
2515 s390_ic (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
2517 s390_basr (code, s390_r13, 0);
2519 s390_word (code, ins->inst_offset);
2520 s390_l (code, s390_r13, 0, s390_r13, 4);
2521 s390_ic (code, s390_r0, s390_r13, ins->inst_basereg, 0);
2523 s390_lhi (code, s390_r13, 0x80);
2524 s390_nr (code, s390_r13, s390_r0);
2526 s390_lhi (code, s390_r13, 0xff00);
2527 s390_or (code, s390_r0, s390_r13);
2528 s390_lr (code, ins->dreg, s390_r0);
2531 case OP_LOADU2_MEMBASE: {
2532 s390_lhi (code, s390_r0, 0);
2533 if (s390_is_uimm12(ins->inst_offset))
2534 s390_icm (code, s390_r0, 3, ins->inst_basereg, ins->inst_offset);
2536 s390_basr (code, s390_r13, 0);
2538 s390_word (code, ins->inst_offset);
2539 s390_l (code, s390_r13, 0, s390_r13, 4);
2540 s390_ar (code, s390_r13, ins->inst_basereg);
2541 s390_icm (code, s390_r0, 3, s390_r13, 0);
2543 s390_lr (code, ins->dreg, s390_r0);
2546 case OP_LOADI2_MEMBASE: {
2547 s390_lhi (code, s390_r0, 0);
2548 if (s390_is_uimm12(ins->inst_offset))
2549 s390_lh (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
2551 s390_basr (code, s390_r13, 0);
2553 s390_word (code, ins->inst_offset);
2554 s390_l (code, s390_r13, 0, s390_r13, 4);
2555 s390_lh (code, s390_r0, s390_r13, ins->inst_basereg, 0);
2557 s390_lr (code, ins->dreg, s390_r0);
2560 case OP_ICONV_TO_I1: {
2561 s390_lhi (code, s390_r0, 0x80);
2562 if (ins->dreg != ins->sreg1) {
2563 s390_lr (code, ins->dreg, ins->sreg1);
2565 s390_nr (code, s390_r0, ins->sreg1);
2567 s390_lhi (code, s390_r13, -1);
2568 s390_sll (code, s390_r13, 0, 8);
2569 s390_or (code, ins->dreg, s390_r13);
2572 case OP_ICONV_TO_I2: {
2573 s390_lhi (code, s390_r0, 0x80);
2574 s390_sll (code, s390_r0, 0, 8);
2575 if (ins->dreg != ins->sreg1) {
2576 s390_lr (code, ins->dreg, ins->sreg1);
2578 s390_nr (code, s390_r0, ins->sreg1);
2580 s390_lhi (code, s390_r13, -1);
2581 s390_sll (code, s390_r13, 0, 16);
2582 s390_or (code, ins->dreg, s390_r13);
2585 case OP_ICONV_TO_U1: {
2586 s390_lhi (code, s390_r0, 0xff);
2587 if (ins->dreg != ins->sreg1) {
2588 s390_lr (code, ins->dreg, ins->sreg1);
2590 s390_nr (code, ins->dreg, s390_r0);
2593 case OP_ICONV_TO_U2: {
2594 s390_lhi (code, s390_r0, -1);
2595 s390_sll (code, s390_r0, 0, 16);
2596 s390_srl (code, s390_r0, 0, 16);
2597 if (ins->dreg != ins->sreg1) {
2598 s390_lr (code, ins->dreg, ins->sreg1);
2600 s390_nr (code, ins->dreg, s390_r0);
2604 next = mono_inst_list_next (&ins->node, &bb->ins_list);
2606 (((next->opcode >= OP_IBNE_UN) &&
2607 (next->opcode <= OP_IBLT_UN)) ||
2608 ((next->opcode >= OP_COND_EXC_NE_UN) &&
2609 (next->opcode <= OP_COND_EXC_LT_UN)) ||
2610 ((next->opcode == OP_CLT_UN) ||
2611 (next->opcode == OP_CGT_UN))))
2612 s390_clr (code, ins->sreg1, ins->sreg2);
2614 s390_cr (code, ins->sreg1, ins->sreg2);
2617 case OP_COMPARE_IMM: {
2618 next = mono_inst_list_next (&ins->node, &bb->ins_list);
2619 if (s390_is_imm16 (ins->inst_imm)) {
2620 s390_lhi (code, s390_r0, ins->inst_imm);
2622 (((next->opcode >= OP_IBNE_UN) &&
2623 (next->opcode <= OP_IBLT_UN)) ||
2624 ((next->opcode >= OP_COND_EXC_NE_UN) &&
2625 (next->opcode <= OP_COND_EXC_LT_UN)) ||
2626 ((next->opcode == OP_CLT_UN) ||
2627 (next->opcode == OP_CGT_UN))))
2628 s390_clr (code, ins->sreg1, s390_r0);
2630 s390_cr (code, ins->sreg1, s390_r0);
2633 s390_basr (code, s390_r13, 0);
2635 s390_word (code, ins->inst_imm);
2637 (((next->opcode >= OP_IBNE_UN) &&
2638 (next->opcode <= OP_IBLT_UN)) ||
2639 ((next->opcode >= OP_COND_EXC_NE_UN) &&
2640 (next->opcode <= OP_COND_EXC_LT_UN)) ||
2641 ((next->opcode == OP_CLT_UN) ||
2642 (next->opcode == OP_CGT_UN))))
2643 s390_cl (code, ins->sreg1, 0, s390_r13, 4);
2645 s390_c (code, ins->sreg1, 0, s390_r13, 4);
2650 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, mono_break);
2651 s390_brasl (code, s390_r14, 0);
2656 s390_alr (code, ins->dreg, src2);
2661 s390_ar (code, ins->dreg, src2);
2666 s390_alcr (code, ins->dreg, src2);
2670 if (ins->dreg != ins->sreg1) {
2671 s390_lr (code, ins->dreg, ins->sreg1);
2673 next = mono_inst_list_next (&ins->node, &bb->ins_list);
2675 (next->opcode == OP_ADC_IMM)) {
2676 s390_basr (code, s390_r13, 0);
2678 s390_word (code, ins->inst_imm);
2679 s390_a (code, ins->dreg, 0, s390_r13, 4);
2681 if (s390_is_imm16 (ins->inst_imm)) {
2682 s390_ahi (code, ins->dreg, ins->inst_imm);
2684 s390_basr (code, s390_r13, 0);
2686 s390_word (code, ins->inst_imm);
2687 s390_a (code, ins->dreg, 0, s390_r13, 4);
2692 case OP_ADDCC_IMM: {
2693 next = mono_inst_list_next (&ins->node, &bb->ins_list);
2695 (next->opcode == OP_ADC_IMM)) {
2696 s390_basr (code, s390_r13, 0);
2698 s390_word (code, ins->inst_imm);
2699 if (ins->dreg != ins->sreg1) {
2700 s390_lr (code, ins->dreg, ins->sreg1);
2702 s390_al (code, ins->dreg, 0, s390_r13, 4);
2704 if (s390_is_imm16 (ins->inst_imm)) {
2705 if (ins->dreg != ins->sreg1) {
2706 s390_lr (code, ins->dreg, ins->sreg1);
2708 s390_lhi (code, s390_r0, ins->inst_imm);
2709 s390_alcr (code, ins->dreg, s390_r0);
2711 s390_basr (code, s390_r13, 0);
2713 s390_word (code, ins->inst_imm);
2714 if (ins->dreg != ins->sreg1) {
2715 s390_lr (code, ins->dreg, ins->sreg1);
2717 s390_al (code, ins->dreg, 0, s390_r13, 4);
2723 if (s390_is_imm16 (ins->inst_imm)) {
2724 if (ins->dreg != ins->sreg1) {
2725 s390_lr (code, ins->dreg, ins->sreg1);
2727 s390_lhi (code, s390_r0, ins->inst_imm);
2728 s390_alcr (code, ins->dreg, s390_r0);
2730 s390_basr (code, s390_r13, 0);
2732 s390_word (code, ins->inst_imm);
2733 s390_l (code, s390_r13, 0, s390_r13, 4);
2734 s390_alcr (code, ins->dreg, s390_r13);
2740 s390_ar (code, ins->dreg, src2);
2741 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2744 case OP_IADD_OVF_UN: {
2746 s390_alr (code, ins->dreg, src2);
2747 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
2751 s390_alr (code, s390_r0, ins->sreg1);
2753 s390_ahi (code, s390_r1, 1);
2754 s390_ar (code, s390_r1, ins->sreg2);
2755 s390_lr (code, ins->dreg, s390_r0);
2756 s390_lr (code, ins->dreg+1, s390_r1);
2761 s390_alr (code, s390_r0, ins->sreg1);
2762 s390_jnc (code, 0); CODEPTR(code, o[0]);
2763 s390_ahi (code, s390_r1, 1);
2764 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2765 PTRSLOT (code, o[0]);
2766 s390_ar (code, s390_r1, ins->sreg2);
2767 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2768 s390_lr (code, ins->dreg, s390_r0);
2769 s390_lr (code, ins->dreg+1, s390_r1);
2772 case OP_LADD_OVF_UN: {
2773 s390_alr (code, s390_r0, ins->sreg1);
2774 s390_alcr (code, s390_r1, ins->sreg2);
2775 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
2776 s390_lr (code, ins->dreg, s390_r0);
2777 s390_lr (code, ins->dreg+1, s390_r1);
2780 case OP_ADD_OVF_CARRY: {
2782 s390_lhi (code, s390_r0, 0);
2783 s390_lr (code, s390_r1, s390_r0);
2784 s390_alcr (code, s390_r0, s390_r1);
2785 s390_ar (code, ins->dreg, src2);
2786 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2787 s390_ar (code, ins->dreg, s390_r0);
2788 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2791 case OP_ADD_OVF_UN_CARRY: {
2793 s390_alcr (code, ins->dreg, src2);
2794 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
2799 s390_slr (code, ins->dreg, src2);
2804 s390_sr (code, ins->dreg, src2);
2809 s390_slbr (code, ins->dreg, src2);
2812 case OP_SUBCC_IMM: {
2813 if (s390_is_imm16 (-ins->inst_imm)) {
2814 if (ins->dreg != ins->sreg1) {
2815 s390_lr (code, ins->dreg, ins->sreg1);
2817 s390_lhi (code, s390_r0, ins->inst_imm);
2818 s390_slr (code, ins->dreg, s390_r0);
2820 s390_basr (code, s390_r13, 0);
2822 s390_word (code, ins->inst_imm);
2823 if (ins->dreg != ins->sreg1) {
2824 s390_lr (code, ins->dreg, ins->sreg1);
2826 s390_sl (code, ins->dreg, 0, s390_r13, 4);
2831 if (s390_is_imm16 (-ins->inst_imm)) {
2832 if (ins->dreg != ins->sreg1) {
2833 s390_lr (code, ins->dreg, ins->sreg1);
2835 s390_ahi (code, ins->dreg, -ins->inst_imm);
2837 s390_basr (code, s390_r13, 0);
2839 s390_word (code, ins->inst_imm);
2840 if (ins->dreg != ins->sreg1) {
2841 s390_lr (code, ins->dreg, ins->sreg1);
2843 s390_s (code, ins->dreg, 0, s390_r13, 4);
2848 if (ins->dreg != ins->sreg1) {
2849 s390_lr (code, ins->dreg, ins->sreg1);
2851 if (s390_is_imm16 (-ins->inst_imm)) {
2852 s390_lhi (code, s390_r0, ins->inst_imm);
2853 s390_slbr (code, ins->dreg, s390_r0);
2855 s390_basr (code, s390_r13, 0);
2857 s390_word (code, ins->inst_imm);
2858 s390_slb (code, ins->dreg, 0, s390_r13, 4);
2864 s390_sr (code, ins->dreg, src2);
2865 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2868 case OP_ISUB_OVF_UN: {
2870 s390_slr (code, ins->dreg, src2);
2871 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
2875 s390_lr (code, s390_r14, ins->sreg2);
2876 s390_slr (code, s390_r0, ins->sreg1);
2878 s390_ahi (code, s390_r14, 1);
2879 s390_sr (code, s390_r1, s390_r14);
2880 s390_lr (code, ins->dreg, s390_r0);
2881 s390_lr (code, ins->dreg+1, s390_r1);
2886 s390_lr (code, s390_r14, ins->sreg2);
2887 s390_slr (code, s390_r0, ins->sreg1);
2888 s390_jnl (code, 0); CODEPTR(code, o[0]);
2889 s390_ahi (code, s390_r14, 1);
2890 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2891 PTRSLOT (code, o[0]);
2892 s390_sr (code, s390_r1, s390_r14);
2893 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2894 s390_lr (code, ins->dreg, s390_r0);
2895 s390_lr (code, ins->dreg+1, s390_r1);
2898 case OP_LSUB_OVF_UN: {
2899 s390_slr (code, s390_r0, ins->sreg1);
2900 s390_slbr (code, s390_r1, ins->sreg2);
2901 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
2902 s390_lr (code, ins->dreg, s390_r0);
2903 s390_lr (code, ins->dreg+1, s390_r1);
2906 case OP_SUB_OVF_CARRY: {
2908 s390_lhi (code, s390_r0, 0);
2909 s390_lr (code, s390_r1, s390_r0);
2910 s390_slbr (code, s390_r0, s390_r1);
2911 s390_sr (code, ins->dreg, src2);
2912 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2913 s390_ar (code, ins->dreg, s390_r0);
2914 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
2917 case OP_SUB_OVF_UN_CARRY: {
2919 s390_slbr (code, ins->dreg, src2);
2920 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
2924 if (ins->sreg1 == ins->dreg) {
2925 s390_nr (code, ins->dreg, ins->sreg2);
2928 if (ins->sreg2 == ins->dreg) {
2929 s390_nr (code, ins->dreg, ins->sreg1);
2932 s390_lr (code, ins->dreg, ins->sreg1);
2933 s390_nr (code, ins->dreg, ins->sreg2);
2939 if (s390_is_imm16 (ins->inst_imm)) {
2940 s390_lhi (code, s390_r0, ins->inst_imm);
2941 if (ins->dreg != ins->sreg1) {
2942 s390_lr (code, ins->dreg, ins->sreg1);
2944 s390_nr (code, ins->dreg, s390_r0);
2946 s390_basr (code, s390_r13, 0);
2948 s390_word (code, ins->inst_imm);
2949 if (ins->dreg != ins->sreg1) {
2950 s390_lr (code, ins->dreg, ins->sreg1);
2952 s390_n (code, ins->dreg, 0, s390_r13, 4);
2957 s390_lr (code, s390_r0, ins->sreg1);
2958 s390_srda (code, s390_r0, 0, 32);
2959 s390_dr (code, s390_r0, ins->sreg2);
2960 s390_lr (code, ins->dreg, s390_r1);
2964 s390_lr (code, s390_r0, ins->sreg1);
2965 s390_srdl (code, s390_r0, 0, 32);
2966 s390_dlr (code, s390_r0, ins->sreg2);
2967 s390_lr (code, ins->dreg, s390_r1);
2971 s390_lr (code, s390_r0, ins->sreg1);
2972 s390_srda (code, s390_r0, 0, 32);
2973 s390_dr (code, s390_r0, ins->sreg2);
2974 s390_lr (code, ins->dreg, s390_r0);
2977 s390_lr (code, s390_r0, ins->sreg1);
2978 s390_srdl (code, s390_r0, 0, 32);
2979 s390_dlr (code, s390_r0, ins->sreg2);
2980 s390_lr (code, ins->dreg, s390_r0);
2984 if (ins->sreg1 == ins->dreg) {
2985 s390_or (code, ins->dreg, ins->sreg2);
2988 if (ins->sreg2 == ins->dreg) {
2989 s390_or (code, ins->dreg, ins->sreg1);
2992 s390_lr (code, ins->dreg, ins->sreg1);
2993 s390_or (code, ins->dreg, ins->sreg2);
2999 if (s390_is_imm16 (ins->inst_imm)) {
3000 s390_lhi (code, s390_r0, ins->inst_imm);
3001 if (ins->dreg != ins->sreg1) {
3002 s390_lr (code, ins->dreg, ins->sreg1);
3004 s390_or (code, ins->dreg, s390_r0);
3006 s390_basr (code, s390_r13, 0);
3008 s390_word (code, ins->inst_imm);
3009 if (ins->dreg != ins->sreg1) {
3010 s390_lr (code, ins->dreg, ins->sreg1);
3012 s390_o (code, ins->dreg, 0, s390_r13, 4);
3017 if (ins->sreg1 == ins->dreg) {
3018 s390_xr (code, ins->dreg, ins->sreg2);
3021 if (ins->sreg2 == ins->dreg) {
3022 s390_xr (code, ins->dreg, ins->sreg1);
3025 s390_lr (code, ins->dreg, ins->sreg1);
3026 s390_xr (code, ins->dreg, ins->sreg2);
3032 if (s390_is_imm16 (ins->inst_imm)) {
3033 s390_lhi (code, s390_r0, ins->inst_imm);
3034 if (ins->dreg != ins->sreg1) {
3035 s390_lr (code, ins->dreg, ins->sreg1);
3037 s390_xr (code, ins->dreg, s390_r0);
3039 s390_basr (code, s390_r13, 0);
3041 s390_word (code, ins->inst_imm);
3042 if (ins->dreg != ins->sreg1) {
3043 s390_lr (code, ins->dreg, ins->sreg1);
3045 s390_x (code, ins->dreg, 0, s390_r13, 4);
3051 s390_sll (code, ins->dreg, src2, 0);
3055 if (ins->sreg1 != ins->dreg) {
3056 s390_lr (code, ins->dreg, ins->sreg1);
3058 s390_sll (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3063 s390_sra (code, ins->dreg, src2, 0);
3067 if (ins->sreg1 != ins->dreg) {
3068 s390_lr (code, ins->dreg, ins->sreg1);
3070 s390_sra (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3073 case OP_SHR_UN_IMM: {
3074 if (ins->sreg1 != ins->dreg) {
3075 s390_lr (code, ins->dreg, ins->sreg1);
3077 s390_srl (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3082 s390_srl (code, ins->dreg, src2, 0);
3086 if (ins->sreg1 != ins->dreg) {
3087 s390_lr (code, ins->dreg, ins->sreg1);
3089 s390_lhi (code, s390_r0, -1);
3090 s390_xr (code, ins->dreg, s390_r0);
3094 s390_lcr (code, ins->dreg, ins->sreg1);
3098 if (ins->sreg1 == ins->dreg) {
3099 s390_msr (code, ins->dreg, ins->sreg2);
3102 if (ins->sreg2 == ins->dreg) {
3103 s390_msr (code, ins->dreg, ins->sreg1);
3106 s390_lr (code, ins->dreg, ins->sreg1);
3107 s390_msr (code, ins->dreg, ins->sreg2);
3113 if (s390_is_imm16 (ins->inst_imm)) {
3114 s390_lhi (code, s390_r13, ins->inst_imm);
3116 s390_basr (code, s390_r13, 0);
3118 s390_word (code, ins->inst_imm);
3119 // if (ins->dreg != ins->sreg1) {
3120 // s390_lr (code, ins->dreg, ins->sreg1);
3122 s390_l (code, s390_r13, 0, s390_r13, 4);
3124 if (ins->dreg != ins->sreg1) {
3125 s390_lr (code, ins->dreg, ins->sreg1);
3127 s390_msr (code, ins->dreg, s390_r13);
3132 s390_ltr (code, s390_r1, ins->sreg1);
3133 s390_jz (code, 0); CODEPTR(code, o[0]);
3134 s390_ltr (code, s390_r0, ins->sreg2);
3136 s390_lhi (code, s390_r1, 0);
3137 s390_j (code, 0); CODEPTR(code, o[1]);
3138 s390_xr (code, s390_r0, s390_r1);
3139 s390_msr (code, s390_r1, ins->sreg2);
3140 s390_xr (code, s390_r0, s390_r1);
3141 s390_srl (code, s390_r0, 0, 31);
3142 s390_ltr (code, s390_r0, s390_r0);
3143 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3144 PTRSLOT (code, o[0]);
3145 PTRSLOT (code, o[1]);
3146 s390_lr (code, ins->dreg, s390_r1);
3149 case OP_IMUL_OVF_UN: {
3150 s390_lhi (code, s390_r0, 0);
3151 s390_lr (code, s390_r1, ins->sreg1);
3152 s390_mlr (code, s390_r0, ins->sreg2);
3153 s390_ltr (code, s390_r0, s390_r0);
3154 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3155 s390_lr (code, ins->dreg, s390_r1);
3159 s390_l (code, s390_r0, 0, ins->sreg1, 4);
3160 s390_srda (code, s390_r0, 0, 32);
3161 s390_m (code, s390_r0, 0, ins->sreg2, 4);
3162 s390_l (code, s390_r0, 0, ins->sreg1, 4);
3163 s390_srl (code, s390_r0, 0, 31);
3164 s390_a (code, s390_r0, 0, ins->sreg1, 0);
3165 s390_l (code, s390_r13, 0, ins->sreg2, 0);
3166 s390_srl (code, s390_r13, 0, 31);
3167 s390_ms (code, s390_r13, 0, ins->sreg1, 4);
3168 s390_ar (code, s390_r0, s390_r13);
3169 s390_st (code, s390_r0, 0, ins->dreg, 0);
3170 s390_st (code, s390_r1, 0, ins->dreg, 4);
3174 if (s390_is_imm16(ins->inst_c0)) {
3175 s390_lhi (code, ins->dreg, ins->inst_c0);
3177 s390_basr (code, s390_r13, 0);
3179 s390_word (code, ins->inst_c0);
3180 s390_l (code, ins->dreg, 0, s390_r13, 4);
3185 s390_basr (code, s390_r13, 0);
3187 mono_add_patch_info (cfg, code - cfg->native_code,
3188 (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
3189 s390_word (code, 0);
3190 s390_l (code,ins->dreg, 0, s390_r13, 4);
3193 case OP_ICONV_TO_I4:
3194 case OP_ICONV_TO_U4:
3196 if (ins->dreg != ins->sreg1) {
3197 s390_lr (code, ins->dreg, ins->sreg1);
3202 int saved = ins->sreg1;
3203 if (ins->sreg1 == s390_r2) {
3204 s390_lr (code, s390_r0, ins->sreg1);
3207 if (ins->sreg2 != s390_r2)
3208 s390_lr (code, s390_r2, ins->sreg2);
3209 if (saved != s390_r3)
3210 s390_lr (code, s390_r3, saved);
3214 if (ins->dreg != ins->sreg1) {
3215 s390_ldr (code, ins->dreg, ins->sreg1);
3219 case OP_S390_SETF4RET: {
3220 s390_ledbr (code, ins->dreg, ins->sreg1);
3224 if (s390_is_imm16 (ins->inst_offset)) {
3225 s390_lhi (code, s390_r13, ins->inst_offset);
3227 s390_bras (code, s390_r13, 0);
3229 s390_word (code, ins->inst_offset);
3230 s390_l (code, s390_r13, 0, s390_r13, 4);
3232 s390_ear (code, s390_r1, 0);
3233 s390_l (code, ins->dreg, s390_r13, s390_r1, 0);
3236 case OP_FCONV_TO_R4: {
3238 next = mono_inst_list_next (&ins->node, &bb->ins_list);
3240 (next->opcode != OP_FMOVE) &&
3241 (next->opcode != OP_STORER4_MEMBASE_REG))
3242 s390_ledbr (code, ins->dreg, ins->sreg1);
3246 if (cfg->method->save_lmf)
3247 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
3249 if (cfg->flags & MONO_CFG_HAS_TAIL) {
3250 code = emit_load_volatile_registers(code, cfg);
3253 code = backUpStackPtr(cfg, code, STK_BASE);
3254 s390_l (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
3255 mono_add_patch_info (cfg, code - cfg->native_code,
3256 MONO_PATCH_INFO_METHOD_JUMP,
3258 s390_jcl (code, S390_CC_UN, 0);
3261 case OP_CHECK_THIS: {
3262 /* ensure ins->sreg1 is not NULL */
3263 s390_icm (code, s390_r0, 15, ins->sreg1, 0);
3267 int offset = cfg->sig_cookie + cfg->stack_usage;
3269 if (s390_is_imm16 (offset))
3270 s390_lhi (code, s390_r0, offset);
3272 s390_basr (code, s390_r13, 0);
3274 s390_word (code, offset);
3275 s390_l (code, s390_r0, 0, s390_r13, 0);
3277 s390_ar (code, s390_r0, cfg->frame_reg);
3278 s390_st (code, s390_r0, 0, ins->sreg1, 0);
3282 call = (MonoCallInst*)ins;
3283 if (ins->flags & MONO_INST_HAS_METHOD)
3284 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD,
3287 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS,
3289 s390_brasl (code, s390_r14, 0);
3290 if (call->signature->ret->type == MONO_TYPE_R4)
3291 s390_ldebr (code, s390_f0, s390_f0);
3298 call = (MonoCallInst*)ins;
3299 if (ins->flags & MONO_INST_HAS_METHOD)
3300 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD, call->method);
3302 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, call->fptr);
3303 s390_brasl (code, s390_r14, 0);
3306 case OP_FCALL_REG: {
3307 call = (MonoCallInst*)ins;
3308 s390_lr (code, s390_r1, ins->sreg1);
3309 s390_basr (code, s390_r14, s390_r1);
3310 if (call->signature->ret->type == MONO_TYPE_R4)
3311 s390_ldebr (code, s390_f0, s390_f0);
3316 case OP_VOIDCALL_REG:
3318 s390_lr (code, s390_r1, ins->sreg1);
3319 s390_basr (code, s390_r14, s390_r1);
3322 case OP_LCALL_MEMBASE:
3323 case OP_VCALL_MEMBASE:
3324 case OP_VOIDCALL_MEMBASE:
3325 case OP_FCALL_MEMBASE:
3326 case OP_CALL_MEMBASE: {
3327 call = (MonoCallInst*)ins;
3328 if (s390_is_uimm12(ins->inst_offset))
3329 s390_l (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
3331 if (s390_is_imm16(ins->inst_offset)) {
3332 s390_lhi (code, s390_r13, ins->inst_offset);
3333 s390_l (code, s390_r1, s390_r13, ins->inst_basereg, 0);
3335 s390_basr (code, s390_r13, 0);
3337 s390_word (code, ins->inst_offset);
3338 s390_l (code, s390_r13, 0, s390_r13, 4);
3339 s390_l (code, s390_r1, s390_r13, ins->inst_basereg, 0);
3342 s390_basr (code, s390_r14, s390_r1);
3343 if (ins->opcode == OP_FCALL_MEMBASE && call->signature->ret->type == MONO_TYPE_R4)
3344 s390_ldebr (code, s390_f0, s390_f0);
3348 g_assert_not_reached ();
3351 /*------------------------------------------*/
3352 /* To allocate space on the stack we have */
3353 /* to allow room for parameters passed in */
3354 /* calls, the backchain pointer and round */
3355 /* it to our stack alignment requirements */
3356 /*------------------------------------------*/
3357 int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
3358 int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
3359 s390_lr (code, s390_r1, ins->sreg1);
3360 if (ins->flags & MONO_INST_INIT)
3361 s390_lr (code, s390_r0, ins->sreg1);
3362 s390_ahi (code, s390_r1, 14);
3363 s390_srl (code, s390_r1, 0, 3);
3364 s390_sll (code, s390_r1, 0, 3);
3365 if (cfg->method->save_lmf) {
3366 /*----------------------------------*/
3367 /* we have to adjust lmf ebp value */
3368 /*----------------------------------*/
3369 int lmfOffset = cfg->stack_usage - sizeof(MonoLMF);
3371 s390_lr (code, s390_r13, cfg->frame_reg);
3372 if (s390_is_uimm16(lmfOffset))
3373 s390_ahi (code, s390_r13, lmfOffset);
3375 s390_basr (code, s390_r14, 0);
3377 s390_word (code, lmfOffset);
3378 s390_a (code, s390_r13, 0, s390_r14, 4);
3380 s390_lr (code, s390_r14, STK_BASE);
3381 s390_sr (code, s390_r14, s390_r1);
3382 s390_st (code, s390_r14, 0, s390_r13,
3383 G_STRUCT_OFFSET(MonoLMF, ebp));
3385 s390_l (code, s390_r13, 0, STK_BASE, 0);
3386 s390_sr (code, STK_BASE, s390_r1);
3387 s390_st (code, s390_r13, 0, STK_BASE, 0);
3388 s390_la (code, ins->dreg, 0, STK_BASE, area_offset);
3389 s390_srl (code, ins->dreg, 0, 3);
3390 s390_sll (code, ins->dreg, 0, 3);
3391 if (ins->flags & MONO_INST_INIT) {
3392 s390_lr (code, s390_r1, s390_r0);
3393 s390_lr (code, s390_r0, ins->dreg);
3394 s390_lr (code, s390_r14, s390_r12);
3395 s390_lhi (code, s390_r13, 0);
3396 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
3398 s390_lr (code, s390_r12, s390_r14);
3403 s390_lr (code, s390_r2, ins->sreg1);
3404 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
3405 (gpointer)"mono_arch_throw_exception");
3406 s390_brasl (code, s390_r14, 0);
3410 s390_lr (code, s390_r2, ins->sreg1);
3411 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
3412 (gpointer)"mono_arch_rethrow_exception");
3413 s390_brasl (code, s390_r14, 0);
3416 case OP_START_HANDLER: {
3417 if (s390_is_uimm12 (ins->inst_left->inst_offset)) {
3418 s390_st (code, s390_r14, 0,
3419 ins->inst_left->inst_basereg,
3420 ins->inst_left->inst_offset);
3422 s390_basr (code, s390_r13, 0);
3424 s390_word (code, ins->inst_left->inst_offset);
3425 s390_l (code, s390_r13, 0, s390_r13, 4);
3426 s390_st (code, s390_r14, s390_r13,
3427 ins->inst_left->inst_basereg, 0);
3431 case OP_ENDFILTER: {
3432 if (ins->sreg1 != s390_r2)
3433 s390_lr (code, s390_r2, ins->sreg1);
3434 if (s390_is_uimm12 (ins->inst_left->inst_offset)) {
3435 s390_l (code, s390_r14, 0, ins->inst_left->inst_basereg,
3436 ins->inst_left->inst_offset);
3438 s390_basr (code, s390_r13, 0);
3440 s390_word (code, ins->inst_left->inst_offset);
3441 s390_l (code, s390_r13, 0, s390_r13, 4);
3442 s390_l (code, s390_r14, s390_r13,
3443 ins->inst_left->inst_basereg, 0);
3445 s390_br (code, s390_r14);
3448 case OP_ENDFINALLY: {
3449 if (s390_is_uimm12 (ins->inst_left->inst_offset)) {
3450 s390_l (code, s390_r14, 0, ins->inst_left->inst_basereg,
3451 ins->inst_left->inst_offset);
3453 s390_basr (code, s390_r13, 0);
3455 s390_word (code, ins->inst_left->inst_offset);
3456 s390_l (code, s390_r13, 0, s390_r13, 4);
3457 s390_l (code, s390_r14, s390_r13,
3458 ins->inst_left->inst_basereg, 0);
3460 s390_br (code, s390_r14);
3463 case OP_CALL_HANDLER: {
3464 mono_add_patch_info (cfg, code-cfg->native_code,
3465 MONO_PATCH_INFO_BB, ins->inst_target_bb);
3466 s390_brasl (code, s390_r14, 0);
3470 ins->inst_c0 = code - cfg->native_code;
3474 EMIT_UNCOND_BRANCH(ins);
3477 s390_br (code, ins->sreg1);
3481 s390_lhi (code, ins->dreg, 1);
3483 s390_lhi (code, ins->dreg, 0);
3487 s390_lhi (code, ins->dreg, 1);
3489 s390_lhi (code, ins->dreg, 0);
3493 s390_lhi (code, ins->dreg, 1);
3495 s390_lhi (code, ins->dreg, 0);
3499 s390_lhi (code, ins->dreg, 1);
3501 s390_lhi (code, ins->dreg, 0);
3505 s390_lhi (code, ins->dreg, 1);
3507 s390_lhi (code, ins->dreg, 0);
3510 case OP_COND_EXC_EQ:
3511 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ, ins->inst_p1);
3513 case OP_COND_EXC_NE_UN:
3514 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE, ins->inst_p1);
3516 case OP_COND_EXC_LT:
3517 case OP_COND_EXC_LT_UN:
3518 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, ins->inst_p1);
3520 case OP_COND_EXC_GT:
3521 case OP_COND_EXC_GT_UN:
3522 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, ins->inst_p1);
3524 case OP_COND_EXC_GE:
3525 case OP_COND_EXC_GE_UN:
3526 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE, ins->inst_p1);
3528 case OP_COND_EXC_LE:
3529 case OP_COND_EXC_LE_UN:
3530 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE, ins->inst_p1);
3532 case OP_COND_EXC_OV:
3533 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, ins->inst_p1);
3535 case OP_COND_EXC_NO:
3536 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO, ins->inst_p1);
3539 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, ins->inst_p1);
3541 case OP_COND_EXC_NC:
3542 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, ins->inst_p1);
3545 EMIT_COND_BRANCH (ins, S390_CC_EQ);
3548 EMIT_COND_BRANCH (ins, S390_CC_NE);
3552 EMIT_COND_BRANCH (ins, S390_CC_LT);
3556 EMIT_COND_BRANCH (ins, S390_CC_GT);
3560 EMIT_COND_BRANCH (ins, S390_CC_GE);
3564 EMIT_COND_BRANCH (ins, S390_CC_LE);
3567 /* floating point opcodes */
3569 if (*((float *) ins->inst_p0) == 0) {
3570 s390_lzdr (code, ins->dreg);
3572 s390_basr (code, s390_r13, 0);
3574 s390_word (code, ins->inst_p0);
3575 s390_l (code, s390_r13, 0, s390_r13, 4);
3576 s390_ld (code, ins->dreg, 0, s390_r13, 0);
3581 if (*((float *) ins->inst_p0) == 0) {
3582 s390_lzdr (code, ins->dreg);
3584 s390_basr (code, s390_r13, 0);
3586 s390_word (code, ins->inst_p0);
3587 s390_l (code, s390_r13, 0, s390_r13, 4);
3588 s390_ldeb (code, ins->dreg, 0, s390_r13, 0);
3592 case OP_STORER8_MEMBASE_REG: {
3593 if (s390_is_uimm12(ins->inst_offset)) {
3594 s390_std (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
3596 s390_basr (code, s390_r13, 0);
3598 s390_word (code, ins->inst_offset);
3599 s390_l (code, s390_r13, 0, s390_r13, 4);
3600 s390_std (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
3604 case OP_LOADR8_MEMBASE: {
3605 if (s390_is_uimm12(ins->inst_offset)) {
3606 s390_ld (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
3608 s390_basr (code, s390_r13, 0);
3610 s390_word (code, ins->inst_offset);
3611 s390_l (code, s390_r13, 0, s390_r13, 4);
3612 s390_ld (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
3616 case OP_STORER4_MEMBASE_REG: {
3617 if (s390_is_uimm12(ins->inst_offset)) {
3618 s390_ledbr(code, s390_f15, ins->sreg1);
3619 s390_ste (code, s390_f15, 0, ins->inst_destbasereg, ins->inst_offset);
3621 s390_basr (code, s390_r13, 0);
3623 s390_word (code, ins->inst_offset);
3624 s390_l (code, s390_r13, 0, s390_r13, 4);
3625 s390_ledbr(code, s390_f15, ins->sreg1);
3626 s390_ste (code, s390_f15, s390_r13, ins->inst_destbasereg, 0);
3630 case OP_LOADR4_MEMBASE: {
3631 if (s390_is_uimm12(ins->inst_offset)) {
3632 s390_ldeb (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
3634 s390_basr (code, s390_r13, 0);
3636 s390_word (code, ins->inst_offset);
3637 s390_l (code, s390_r13, 0, s390_r13, 4);
3638 s390_ldeb (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
3642 case OP_ICONV_TO_R_UN: {
3643 s390_cdfbr (code, ins->dreg, ins->sreg1);
3644 s390_ltr (code, ins->sreg1, ins->sreg1);
3645 s390_jnl (code, 12);
3646 s390_basr (code, s390_r13, 0);
3648 s390_word (code, 0x41f00000);
3649 s390_word (code, 0);
3650 s390_adb (code, ins->dreg, 0, s390_r13, 4);
3653 case OP_ICONV_TO_R4: {
3654 s390_cdfbr (code, ins->dreg, ins->sreg1);
3657 case OP_ICONV_TO_R8: {
3658 s390_cdfbr (code, ins->dreg, ins->sreg1);
3661 case OP_FCONV_TO_I1:
3662 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, TRUE);
3664 case OP_FCONV_TO_U1:
3665 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, FALSE);
3667 case OP_FCONV_TO_I2:
3668 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, TRUE);
3670 case OP_FCONV_TO_U2:
3671 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, FALSE);
3673 case OP_FCONV_TO_I4:
3675 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, TRUE);
3677 case OP_FCONV_TO_U4:
3679 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, FALSE);
3681 case OP_FCONV_TO_I8:
3682 case OP_FCONV_TO_U8:
3683 g_assert_not_reached ();
3684 /* Implemented as helper calls */
3686 case OP_LCONV_TO_R_UN:
3687 g_assert_not_reached ();
3688 /* Implemented as helper calls */
3690 case OP_LCONV_TO_OVF_I: {
3691 /* Valid ints: 0xffffffff:8000000 to 00000000:0x7f000000 */
3693 s390_ltr (code, ins->sreg1, ins->sreg1);
3694 s390_jnl (code, 0); CODEPTR(code, o[0]);
3695 s390_ltr (code, ins->sreg2, ins->sreg2);
3696 s390_jnl (code, 0); CODEPTR(code, o[1]);
3697 s390_lhi (code, s390_r13, -1);
3698 s390_cr (code, ins->sreg2, s390_r13);
3699 s390_jnz (code, 0); CODEPTR(code, o[2]);
3700 s390_j (code, 0); CODEPTR(code, o[3]);
3701 PTRSLOT(code, o[0]);
3702 s390_ltr (code, ins->sreg2, ins->sreg2);
3703 s390_jz (code, 0); CODEPTR(code, o[4]);
3704 PTRSLOT(code, o[1]);
3705 PTRSLOT(code, o[2]);
3706 mono_add_patch_info (cfg, code - cfg->native_code,
3707 MONO_PATCH_INFO_EXC, "OverflowException");
3708 s390_brasl (code, s390_r14, 0);
3709 PTRSLOT(code, o[3]);
3710 PTRSLOT(code, o[4]);
3711 if (ins->dreg != ins->sreg1)
3712 s390_lr (code, ins->dreg, ins->sreg1);
3716 s390_sqdbr (code, ins->dreg, ins->sreg1);
3721 s390_adbr (code, ins->dreg, src2);
3725 CHECK_SRCDST_NCOM_F;
3726 s390_sdbr (code, ins->dreg, src2);
3731 s390_mdbr (code, ins->dreg, src2);
3735 CHECK_SRCDST_NCOM_F;
3736 s390_ddbr (code, ins->dreg, src2);
3740 s390_lcdbr (code, ins->dreg, ins->sreg1);
3744 CHECK_SRCDST_NCOM_F;
3745 s390_didbr (code, ins->dreg, src2, 5, s390_f15);
3749 s390_cdbr (code, ins->sreg1, ins->sreg2);
3753 s390_cdbr (code, ins->sreg1, ins->sreg2);
3754 s390_lhi (code, ins->dreg, 1);
3756 s390_lhi (code, ins->dreg, 0);
3760 s390_cdbr (code, ins->sreg1, ins->sreg2);
3761 s390_lhi (code, ins->dreg, 1);
3763 s390_lhi (code, ins->dreg, 0);
3767 s390_cdbr (code, ins->sreg1, ins->sreg2);
3768 s390_lhi (code, ins->dreg, 1);
3770 s390_lhi (code, ins->dreg, 0);
3774 s390_cdbr (code, ins->sreg1, ins->sreg2);
3775 s390_lhi (code, ins->dreg, 1);
3777 s390_lhi (code, ins->dreg, 0);
3781 s390_cdbr (code, ins->sreg1, ins->sreg2);
3782 s390_lhi (code, ins->dreg, 1);
3784 s390_lhi (code, ins->dreg, 0);
3789 s390_jo (code, 0); CODEPTR(code, o);
3790 EMIT_COND_BRANCH (ins, S390_CC_EQ);
3795 EMIT_COND_BRANCH (ins, S390_CC_NE|S390_CC_OV);
3799 s390_jo (code, 0); CODEPTR(code, o);
3800 EMIT_COND_BRANCH (ins, S390_CC_LT);
3805 EMIT_COND_BRANCH (ins, S390_CC_LT|S390_CC_OV);
3809 s390_jo (code, 0); CODEPTR(code, o);
3810 EMIT_COND_BRANCH (ins, S390_CC_GT);
3815 EMIT_COND_BRANCH (ins, S390_CC_GT|S390_CC_OV);
3819 s390_jo (code, 0); CODEPTR(code, o);
3820 EMIT_COND_BRANCH (ins, S390_CC_GE);
3825 EMIT_COND_BRANCH (ins, S390_CC_GE|S390_CC_OV);
3829 s390_jo (code, 0); CODEPTR(code, o);
3830 EMIT_COND_BRANCH (ins, S390_CC_LE);
3835 EMIT_COND_BRANCH (ins, S390_CC_LE|S390_CC_OV);
3839 s390_lhi (code, s390_r13, 0x7f);
3840 s390_tcdb (code, ins->sreg1, 0, s390_r13, 0);
3841 s390_jz (code, 0); CODEPTR(code, o);
3842 mono_add_patch_info (cfg, code - cfg->native_code,
3843 MONO_PATCH_INFO_EXC, "ArithmeticException");
3844 s390_brasl (code, s390_r14,0);
3848 case OP_S390_MOVE: {
3849 if (ins->backend.size > 0) {
3850 if (ins->backend.size <= 256) {
3851 s390_mvc (code, ins->backend.size, ins->dreg,
3852 ins->inst_offset, ins->sreg1, ins->inst_imm);
3854 s390_lr (code, s390_r0, ins->dreg);
3855 if (s390_is_imm16 (ins->inst_offset)) {
3856 s390_ahi (code, s390_r0, ins->inst_offset);
3858 s390_basr (code, s390_r13, 0);
3860 s390_word (code, ins->inst_offset);
3861 s390_a (code, s390_r0, 0, s390_r13, 4);
3863 s390_lr (code, s390_r14, s390_r12);
3864 s390_lr (code, s390_r12, ins->sreg1);
3865 if (s390_is_imm16 (ins->inst_imm)) {
3866 s390_ahi (code, s390_r12, ins->inst_imm);
3868 s390_basr (code, s390_r13, 0);
3870 s390_word (code, ins->inst_imm);
3871 s390_a (code, s390_r12, 0, s390_r13, 4);
3873 s390_lr (code, s390_r1, ins->sreg1);
3874 s390_lr (code, s390_r13, s390_r1);
3875 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
3877 s390_lr (code, s390_r12, s390_r14);
3882 case OP_ATOMIC_ADD_I4: {
3883 s390_lr (code, s390_r1, ins->sreg2);
3884 s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
3885 s390_a (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
3886 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
3887 s390_jnz (code, -7);
3888 s390_lr (code, ins->dreg, s390_r1);
3891 case OP_ATOMIC_ADD_NEW_I4: {
3892 s390_lr (code, s390_r1, ins->sreg2);
3893 s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
3894 s390_a (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
3895 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
3896 s390_jnz (code, -7);
3897 s390_lr (code, ins->dreg, s390_r1);
3900 case OP_ATOMIC_EXCHANGE_I4: {
3901 s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
3902 s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
3903 s390_jnz (code, -4);
3904 s390_lr (code, ins->dreg, s390_r0);
3907 case OP_S390_BKCHAIN: {
3908 s390_lr (code, ins->dreg, ins->sreg1);
3909 if (s390_is_imm16 (cfg->stack_offset)) {
3910 s390_ahi (code, ins->dreg, cfg->stack_offset);
3912 s390_basr (code, s390_r13, 0);
3914 s390_word (code, cfg->stack_offset);
3915 s390_a (code, ins->dreg, 0, s390_r13, 4);
3918 case OP_MEMORY_BARRIER: {
3922 g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
3923 g_assert_not_reached ();
3926 if ((cfg->opt & MONO_OPT_BRANCH) && ((code - cfg->native_code - offset) > max_len)) {
3927 g_warning ("wrong maximal instruction length of instruction %s (expected %d, got %d)",
3928 mono_inst_name (ins->opcode), max_len, code - cfg->native_code - offset);
3929 g_assert_not_reached ();
3934 last_offset = offset;
3937 cfg->code_len = code - cfg->native_code;
3940 /*========================= End of Function ========================*/
3942 /*------------------------------------------------------------------*/
3944 /* Name - mono_arch_register_lowlevel_calls */
3946 /* Function - Register routines to help with --trace operation. */
3948 /*------------------------------------------------------------------*/
3951 mono_arch_register_lowlevel_calls (void)
3953 mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
3956 /*========================= End of Function ========================*/
3958 /*------------------------------------------------------------------*/
3960 /* Name - mono_arch_patch_code */
3962 /* Function - Process the patch data created during the */
3963 /* instruction build process. This resolves jumps, */
3964 /* calls, variables etc. */
3966 /*------------------------------------------------------------------*/
3969 mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
3970 guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
3972 MonoJumpInfo *patch_info;
3974 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
3975 unsigned char *ip = patch_info->ip.i + code;
3976 gconstpointer target = NULL;
3978 target = mono_resolve_patch_target (method, domain, code,
3979 patch_info, run_cctors);
3981 switch (patch_info->type) {
3982 case MONO_PATCH_INFO_IP:
3983 case MONO_PATCH_INFO_EXC_NAME:
3984 case MONO_PATCH_INFO_LDSTR:
3985 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3986 case MONO_PATCH_INFO_LDTOKEN:
3987 case MONO_PATCH_INFO_EXC:
3989 case MONO_PATCH_INFO_SWITCH:
3990 /*----------------------------------*/
3991 /* ip points at the basr r13,0/j +4 */
3992 /* instruction the vtable value */
3993 /* follows this (i.e. ip+6) */
3994 /*----------------------------------*/
3995 *((gconstpointer *)(ip+6)) = target;
3998 case MONO_PATCH_INFO_METHODCONST:
3999 case MONO_PATCH_INFO_CLASS:
4000 case MONO_PATCH_INFO_IMAGE:
4001 case MONO_PATCH_INFO_FIELD:
4002 case MONO_PATCH_INFO_IID:
4003 target = S390_RELATIVE(target, ip);
4005 case MONO_PATCH_INFO_R4:
4006 case MONO_PATCH_INFO_R8:
4007 case MONO_PATCH_INFO_METHOD_REL:
4008 g_assert_not_reached ();
4011 target = S390_RELATIVE(target, ip);
4014 s390_patch (ip, (guint32) target);
4018 /*========================= End of Function ========================*/
4020 /*------------------------------------------------------------------*/
4022 /* Name - emit_load_volatile_registers */
4024 /* Function - Create the instruction sequence for loading the */
4025 /* parameter registers for use with the 'tail' op. */
4027 /* The register loading operations performed here */
4028 /* are the mirror of the store operations performed */
4029 /* in mono_arch_emit_prolog and need to be kept in */
4030 /* synchronization with it. */
4032 /*------------------------------------------------------------------*/
4035 emit_load_volatile_registers (guint8 * code, MonoCompile *cfg)
4037 MonoMethod *method = cfg->method;
4038 MonoMethodSignature *sig;
4043 sig = mono_method_signature (method);
4046 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
4048 if (cinfo->struct_ret) {
4049 ArgInfo *ainfo = &cinfo->ret;
4050 inst = cfg->vret_addr;
4051 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4054 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4055 ArgInfo *ainfo = cinfo->args + i;
4056 inst = cfg->args [pos];
4058 if (inst->opcode == OP_REGVAR) {
4059 if (ainfo->regtype == RegTypeGeneral)
4060 s390_lr (code, ainfo->reg, inst->dreg);
4061 else if (ainfo->regtype == RegTypeFP) {
4062 if (inst->dreg != ainfo->reg) {
4063 if (ainfo->size == 4) {
4064 s390_ldebr (code, ainfo->reg, inst->dreg);
4066 s390_ldr (code, ainfo->reg, inst->dreg);
4070 else if (ainfo->regtype == RegTypeBase) {
4072 g_assert_not_reached ();
4074 if (ainfo->regtype == RegTypeGeneral) {
4075 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4076 g_assert_not_reached();
4077 switch (ainfo->size) {
4079 s390_ic (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4082 s390_lh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4085 s390_lm (code, ainfo->reg, ainfo->reg + 1,
4086 inst->inst_basereg, inst->inst_offset);
4089 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4091 } else if (ainfo->regtype == RegTypeBase) {
4092 } else if (ainfo->regtype == RegTypeFP) {
4093 if (ainfo->size == 8)
4094 s390_ld (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4095 else if (ainfo->size == 4)
4096 s390_le (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4098 g_assert_not_reached ();
4099 } else if (ainfo->regtype == RegTypeStructByVal) {
4100 if (ainfo->reg != STK_BASE) {
4101 switch (ainfo->size) {
4103 s390_ic (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4106 s390_lh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4109 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4112 s390_lm (code, ainfo->reg, ainfo->reg+1, inst->inst_basereg, inst->inst_offset);
4116 } else if (ainfo->regtype == RegTypeStructByAddr) {
4117 if (ainfo->reg != STK_BASE) {
4118 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4121 g_assert_not_reached ();
4129 /*========================= End of Function ========================*/
4131 /*------------------------------------------------------------------*/
4133 /* Name - mono_arch_emit_prolog */
4135 /* Function - Create the instruction sequence for a function */
4138 /*------------------------------------------------------------------*/
4141 mono_arch_emit_prolog (MonoCompile *cfg)
4143 MonoMethod *method = cfg->method;
4145 MonoMethodSignature *sig;
4147 int alloc_size, pos, max_offset, i;
4153 if (mono_jit_trace_calls != NULL && mono_trace_eval (method))
4156 cfg->code_size = 512;
4157 cfg->native_code = code = g_malloc (cfg->code_size);
4159 s390_stm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
4161 if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
4162 cfg->used_int_regs |= 1 << 11;
4165 alloc_size = cfg->stack_offset;
4167 cfg->stack_usage = alloc_size;
4168 s390_lr (code, s390_r11, STK_BASE);
4169 if (s390_is_uimm16 (alloc_size)) {
4170 s390_ahi (code, STK_BASE, -alloc_size);
4172 int stackSize = alloc_size;
4173 while (stackSize > 32767) {
4174 s390_ahi (code, STK_BASE, -32767);
4177 s390_ahi (code, STK_BASE, -stackSize);
4179 s390_st (code, s390_r11, 0, STK_BASE, 0);
4181 if (cfg->frame_reg != STK_BASE)
4182 s390_lr (code, s390_r11, STK_BASE);
4184 /* compute max_offset in order to use short forward jumps
4185 * we always do it on s390 because the immediate displacement
4186 * for jumps is too small
4189 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4191 bb->max_offset = max_offset;
4193 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4196 MONO_BB_FOR_EACH_INS (bb, ins)
4197 max_offset += ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
4200 /* load arguments allocated to register from the stack */
4201 sig = mono_method_signature (method);
4204 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
4206 if (cinfo->struct_ret) {
4207 ArgInfo *ainfo = &cinfo->ret;
4208 inst = cfg->vret_addr;
4209 inst->backend.size = ainfo->vtsize;
4210 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4213 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4214 ArgInfo *ainfo = cinfo->args + i;
4215 inst = cfg->args [pos];
4217 if (inst->opcode == OP_REGVAR) {
4218 if (ainfo->regtype == RegTypeGeneral)
4219 s390_lr (code, inst->dreg, ainfo->reg);
4220 else if (ainfo->regtype == RegTypeFP) {
4221 if (inst->dreg != ainfo->reg) {
4222 if (ainfo->size == 4) {
4223 s390_ledbr (code, inst->dreg, ainfo->reg);
4225 s390_ldr (code, inst->dreg, ainfo->reg);
4229 else if (ainfo->regtype == RegTypeBase) {
4230 s390_lr (code, s390_r13, STK_BASE);
4231 s390_ahi (code, s390_r13, alloc_size);
4232 s390_l (code, inst->dreg, 0, s390_r13, ainfo->offset);
4234 g_assert_not_reached ();
4236 if (cfg->verbose_level > 2)
4237 g_print ("Argument %d assigned to register %s\n",
4238 pos, mono_arch_regname (inst->dreg));
4240 if (ainfo->regtype == RegTypeGeneral) {
4241 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4242 g_assert_not_reached();
4243 switch (ainfo->size) {
4245 s390_stc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4248 s390_sth (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4251 s390_stm (code, ainfo->reg, ainfo->reg + 1,
4252 inst->inst_basereg, inst->inst_offset);
4255 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4257 } else if (ainfo->regtype == RegTypeBase) {
4258 } else if (ainfo->regtype == RegTypeFP) {
4259 if (ainfo->size == 8)
4260 s390_std (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4261 else if (ainfo->size == 4)
4262 s390_ste (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4264 g_assert_not_reached ();
4265 } else if (ainfo->regtype == RegTypeStructByVal) {
4266 int doffset = inst->inst_offset;
4268 if (ainfo->reg != STK_BASE)
4272 s390_lr (code, s390_r13, STK_BASE);
4273 s390_ahi (code, s390_r13, alloc_size);
4275 switch (ainfo->size) {
4277 if (ainfo->reg == STK_BASE)
4278 s390_ic (code, reg, 0, s390_r13, ainfo->offset+3);
4279 s390_stc (code, reg, 0, inst->inst_basereg, doffset);
4282 if (ainfo->reg == STK_BASE)
4283 s390_lh (code, reg, 0, s390_r13, ainfo->offset+2);
4284 s390_sth (code, reg, 0, inst->inst_basereg, doffset);
4287 if (ainfo->reg == STK_BASE)
4288 s390_l (code, reg, 0, s390_r13, ainfo->offset);
4289 s390_st (code, reg, 0, inst->inst_basereg, doffset);
4292 if (ainfo->reg == STK_BASE)
4293 s390_lm (code, s390_r0, s390_r1, s390_r13, ainfo->offset);
4294 s390_stm (code, reg, reg+1, inst->inst_basereg, doffset);
4297 } else if (ainfo->regtype == RegTypeStructByAddr) {
4298 if (ainfo->reg != STK_BASE)
4299 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4301 g_assert_not_reached ();
4306 if (method->save_lmf) {
4307 /*---------------------------------------------------------------*/
4308 /* we build the MonoLMF structure on the stack - see mini-s390.h */
4309 /*---------------------------------------------------------------*/
4310 lmfOffset = alloc_size - sizeof(MonoLMF);
4312 s390_lr (code, s390_r13, cfg->frame_reg);
4313 if (s390_is_uimm16(lmfOffset))
4314 s390_ahi (code, s390_r13, lmfOffset);
4316 s390_basr (code, s390_r14, 0);
4318 s390_word (code, lmfOffset);
4319 s390_a (code, s390_r13, 0, s390_r14, 4);
4322 /*---------------------------------------------------------------*/
4323 /* Preserve the parameter registers while we fix up the lmf */
4324 /*---------------------------------------------------------------*/
4325 s390_stm (code, s390_r2, s390_r6, s390_r13,
4326 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
4328 /*---------------------------------------------------------------*/
4329 /* On return from this call r2 have the address of the &lmf */
4330 /*---------------------------------------------------------------*/
4331 mono_add_patch_info (cfg, code - cfg->native_code,
4332 MONO_PATCH_INFO_INTERNAL_METHOD,
4333 (gpointer)"mono_get_lmf_addr");
4334 s390_brasl (code, s390_r14, 0);
4336 /*---------------------------------------------------------------*/
4337 /* Set lmf.lmf_addr = jit_tls->lmf */
4338 /*---------------------------------------------------------------*/
4339 s390_st (code, s390_r2, 0, s390_r13,
4340 G_STRUCT_OFFSET(MonoLMF, lmf_addr));
4342 /*---------------------------------------------------------------*/
4343 /* Get current lmf */
4344 /*---------------------------------------------------------------*/
4345 s390_l (code, s390_r0, 0, s390_r2, 0);
4347 /*---------------------------------------------------------------*/
4348 /* Set our lmf as the current lmf */
4349 /*---------------------------------------------------------------*/
4350 s390_st (code, s390_r13, 0, s390_r2, 0);
4352 /*---------------------------------------------------------------*/
4353 /* Have our lmf.previous_lmf point to the last lmf */
4354 /*---------------------------------------------------------------*/
4355 s390_st (code, s390_r0, 0, s390_r13,
4356 G_STRUCT_OFFSET(MonoLMF, previous_lmf));
4358 /*---------------------------------------------------------------*/
4359 /* save method info */
4360 /*---------------------------------------------------------------*/
4361 s390_basr (code, s390_r1, 0);
4363 s390_word (code, method);
4364 s390_l (code, s390_r1, 0, s390_r1, 4);
4365 s390_st (code, s390_r1, 0, s390_r13,
4366 G_STRUCT_OFFSET(MonoLMF, method));
4368 /*---------------------------------------------------------------*/
4369 /* save the current IP */
4370 /*---------------------------------------------------------------*/
4371 s390_st (code, STK_BASE, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
4372 s390_basr (code, s390_r1, 0);
4373 s390_la (code, s390_r1, 0, s390_r1, 0);
4374 s390_st (code, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, eip));
4376 /*---------------------------------------------------------------*/
4377 /* Save general and floating point registers */
4378 /*---------------------------------------------------------------*/
4379 s390_stm (code, s390_r2, s390_r12, s390_r13,
4380 G_STRUCT_OFFSET(MonoLMF, gregs[2]));
4381 for (i = 0; i < 16; i++) {
4382 s390_std (code, i, 0, s390_r13,
4383 G_STRUCT_OFFSET(MonoLMF, fregs[i]));
4386 /*---------------------------------------------------------------*/
4387 /* Restore the parameter registers now that we've set up the lmf */
4388 /*---------------------------------------------------------------*/
4389 s390_lm (code, s390_r2, s390_r6, s390_r13,
4390 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
4394 code = mono_arch_instrument_prolog(cfg, enter_method, code, TRUE);
4396 cfg->code_len = code - cfg->native_code;
4401 /*========================= End of Function ========================*/
4403 /*------------------------------------------------------------------*/
4405 /* Name - mono_arch_emit_epilog */
4407 /* Function - Emit the instructions for a function epilog. */
4409 /*------------------------------------------------------------------*/
4412 mono_arch_emit_epilog (MonoCompile *cfg)
4414 MonoMethod *method = cfg->method;
4417 int max_epilog_size = 96;
4419 if (cfg->method->save_lmf)
4420 max_epilog_size += 128;
4422 if (mono_jit_trace_calls != NULL)
4423 max_epilog_size += 128;
4425 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4426 max_epilog_size += 128;
4428 while ((cfg->code_len + max_epilog_size) > (cfg->code_size - 16)) {
4429 cfg->code_size *= 2;
4430 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
4431 mono_jit_stats.code_reallocs++;
4434 code = cfg->native_code + cfg->code_len;
4436 if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
4437 code = mono_arch_instrument_epilog (cfg, leave_method, code, TRUE);
4441 if (method->save_lmf)
4442 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
4444 if (cfg->flags & MONO_CFG_HAS_ALLOCA)
4445 s390_l (code, STK_BASE, 0, STK_BASE, 0);
4447 code = backUpStackPtr(cfg, code, STK_BASE);
4449 s390_lm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
4450 s390_br (code, s390_r14);
4452 cfg->code_len = code - cfg->native_code;
4454 g_assert (cfg->code_len < cfg->code_size);
4458 /*========================= End of Function ========================*/
4460 /*------------------------------------------------------------------*/
4462 /* Name - mono_arch_emit_exceptions */
4464 /* Function - Emit the blocks to handle exception conditions. */
4466 /*------------------------------------------------------------------*/
4469 mono_arch_emit_exceptions (MonoCompile *cfg)
4471 MonoJumpInfo *patch_info;
4477 MonoClass *exc_classes [MAX_EXC];
4478 guint8 *exc_throw_start [MAX_EXC];
4480 for (patch_info = cfg->patch_info;
4482 patch_info = patch_info->next) {
4483 if (patch_info->type == MONO_PATCH_INFO_EXC)
4487 code_size = exc_count * 26;
4489 while ((cfg->code_len + code_size) > (cfg->code_size - 16)) {
4490 cfg->code_size *= 2;
4491 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
4492 mono_jit_stats.code_reallocs++;
4495 code = cfg->native_code + cfg->code_len;
4497 /*---------------------------------------------------------------------*/
4498 /* Add code to raise exceptions */
4499 /*---------------------------------------------------------------------*/
4500 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
4501 switch (patch_info->type) {
4502 case MONO_PATCH_INFO_EXC: {
4503 guint8 *ip = patch_info->ip.i + cfg->native_code;
4504 MonoClass *exc_class;
4507 /*-----------------------------------------------------*/
4508 /* Patch the branch in epilog to come here */
4509 /*-----------------------------------------------------*/
4510 s390_patch (ip + 2, (guint32) (S390_RELATIVE(code,ip)));
4512 exc_class = mono_class_from_name (mono_defaults.corlib,
4514 patch_info->data.name);
4515 g_assert (exc_class);
4516 throw_ip = patch_info->ip.i;
4518 for (iExc = 0; iExc < nThrows; ++iExc)
4519 if (exc_classes [iExc] == exc_class)
4522 if (iExc < nThrows) {
4523 s390_jcl (code, S390_CC_UN, (guint32) exc_throw_start [iExc]);
4524 patch_info->type = MONO_PATCH_INFO_NONE;
4527 if (nThrows < MAX_EXC) {
4528 exc_classes [nThrows] = exc_class;
4529 exc_throw_start [nThrows] = code;
4532 /*---------------------------------------------*/
4533 /* Patch the parameter passed to the handler */
4534 /*---------------------------------------------*/
4535 s390_basr (code, s390_r13, 0);
4537 s390_word (code, patch_info->data.target);
4538 /*---------------------------------------------*/
4539 /* Load return address & parameter register */
4540 /*---------------------------------------------*/
4541 s390_larl (code, s390_r14, (gsize)S390_RELATIVE((patch_info->ip.i +
4542 cfg->native_code + 8), code));
4543 s390_l (code, s390_r2, 0, s390_r13, 4);
4544 /*---------------------------------------------*/
4545 /* Reuse the current patch to set the jump */
4546 /*---------------------------------------------*/
4547 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
4548 patch_info->data.name = "mono_arch_throw_exception_by_name";
4549 patch_info->ip.i = code - cfg->native_code;
4550 s390_jcl (code, S390_CC_UN, 0);
4560 cfg->code_len = code - cfg->native_code;
4562 g_assert (cfg->code_len < cfg->code_size);
4566 /*========================= End of Function ========================*/
4568 /*------------------------------------------------------------------*/
4570 /* Name - mono_arch_setup_jit_tls_data */
4572 /* Function - Setup the JIT's Thread Level Specific Data. */
4574 /*------------------------------------------------------------------*/
4577 mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
4580 if (!tls_offset_inited) {
4581 tls_offset_inited = TRUE;
4585 __asm__ ("\tear\t%r1,0\n"
4592 : "=r" (appdomain_tls_offset),
4593 "=r" (thread_tls_offset),
4594 "=r" (lmf_tls_offset)
4595 : "r" (&tls_appdomain),
4596 "r" (&tls_current_object),
4597 "r" (&mono_lmf_addr)
4603 if (!lmf_addr_key_inited) {
4604 lmf_addr_key_inited = TRUE;
4605 pthread_key_create (&lmf_addr_key, NULL);
4607 pthread_setspecific (lmf_addr_key, &tls->lmf);
4611 /*========================= End of Function ========================*/
4613 /*------------------------------------------------------------------*/
4615 /* Name - mono_arch_free_jit_tls_data */
4617 /* Function - Free tls data. */
4619 /*------------------------------------------------------------------*/
4622 mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
4627 /*========================= End of Function ========================*/
4629 /*------------------------------------------------------------------*/
4631 /* Name - mono_arch_emit_this_vret_args */
4635 /*------------------------------------------------------------------*/
4638 mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
4640 int this_dreg = s390_r2;
4643 this_dreg = s390_r3;
4645 /* add the this argument */
4646 if (this_reg != -1) {
4648 MONO_INST_NEW (cfg, this, OP_MOVE);
4649 this->type = this_type;
4650 this->sreg1 = this_reg;
4651 this->dreg = mono_regstate_next_int (cfg->rs);
4652 mono_bblock_add_inst (cfg->cbb, this);
4653 mono_call_inst_add_outarg_reg (cfg, inst, this->dreg, this_dreg, FALSE);
4658 MONO_INST_NEW (cfg, vtarg, OP_MOVE);
4659 vtarg->type = STACK_MP;
4660 vtarg->sreg1 = vt_reg;
4661 vtarg->dreg = mono_regstate_next_int (cfg->rs);
4662 mono_bblock_add_inst (cfg->cbb, vtarg);
4663 mono_call_inst_add_outarg_reg (cfg, inst, vtarg->dreg, s390_r2, FALSE);
4667 /*========================= End of Function ========================*/
4669 /*------------------------------------------------------------------*/
4671 /* Name - mono_arch_get_inst_for_method */
4673 /* Function - Check for opcodes we can handle directly in */
4676 /*------------------------------------------------------------------*/
4679 mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod,
4680 MonoMethodSignature *fsig, MonoInst **args)
4682 MonoInst *ins = NULL;
4684 if (cmethod->klass == mono_defaults.math_class) {
4685 if (strcmp (cmethod->name, "Sqrt") == 0) {
4686 MONO_INST_NEW (cfg, ins, OP_SQRT);
4687 ins->inst_i0 = args [0];
4694 /*========================= End of Function ========================*/
4696 /*------------------------------------------------------------------*/
4698 /* Name - mono_arch_print_tree */
4700 /* Function - Print platform-specific opcode details. */
4702 /* Returns - 1 - opcode details have been printed */
4703 /* 0 - opcode details have not been printed */
4705 /*------------------------------------------------------------------*/
4708 mono_arch_print_tree (MonoInst *tree, int arity)
4712 switch (tree->opcode) {
4713 case OP_S390_LOADARG:
4714 case OP_S390_ARGREG:
4715 case OP_S390_ARGPTR:
4716 printf ("[0x%lx(%s)]", tree->inst_offset,
4717 mono_arch_regname (tree->inst_basereg));
4720 case OP_S390_STKARG:
4721 printf ("[0x%lx(previous_frame)]",
4726 printf ("[0x%lx(%d,%s),0x%lx(%s)]",
4727 tree->inst_offset, tree->backend.size,
4728 mono_arch_regname(tree->dreg), tree->inst_imm,
4729 mono_arch_regname(tree->sreg1));
4732 case OP_S390_SETF4RET:
4734 mono_arch_fregname (tree->dreg),
4735 mono_arch_fregname (tree->sreg1));
4739 printf ("[0x%lx(0x%lx,%s)]", tree->inst_offset,
4741 mono_arch_regname (tree->sreg1));
4744 case OP_S390_BKCHAIN:
4745 printf ("[previous_frame(%s)]",
4746 mono_arch_regname (tree->sreg1));
4755 /*========================= End of Function ========================*/
4757 /*------------------------------------------------------------------*/
4759 /* Name - mono_arch_regalloc_cost */
4761 /* Function - Determine the cost, in the number of memory */
4762 /* references, of the action of allocating the var- */
4763 /* iable VMV into a register during global register */
4766 /* Returns - Cost */
4768 /*------------------------------------------------------------------*/
4771 mono_arch_regalloc_cost (MonoCompile *cfg, MonoMethodVar *vmv)
4777 /*========================= End of Function ========================*/
4779 /*------------------------------------------------------------------*/
4781 /* Name - mono_arch_get_domain_intrinsic */
4787 /*------------------------------------------------------------------*/
4790 mono_arch_get_domain_intrinsic (MonoCompile* cfg)
4794 if (appdomain_tls_offset == -1)
4797 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
4798 ins->inst_offset = appdomain_tls_offset;
4802 /*========================= End of Function ========================*/
4804 /*------------------------------------------------------------------*/
4806 /* Name - mono_arch_get_thread_intrinsic */
4812 /*------------------------------------------------------------------*/
4815 mono_arch_get_thread_intrinsic (MonoCompile* cfg)
4819 if (thread_tls_offset == -1)
4822 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
4823 ins->inst_offset = thread_tls_offset;
4827 /*========================= End of Function ========================*/
4829 /*------------------------------------------------------------------*/
4831 /* Name - mono_arch_flush_register_windows */
4837 /*------------------------------------------------------------------*/
4840 mono_arch_flush_register_windows (void)
4844 /*========================= End of Function ========================*/
4846 /*------------------------------------------------------------------*/
4848 /* Name - mono_arch_get_lmf_addr */
4854 /*------------------------------------------------------------------*/
4857 mono_arch_get_lmf_addr (void)
4859 return pthread_getspecific (lmf_addr_key);
4863 /*========================= End of Function ========================*/
4865 /*------------------------------------------------------------------*/
4867 /* Name - mono_arch_get_patch_offset */
4869 /* Function - Dummy entry point until s390x supports aot. */
4871 /* Returns - Offset for patch. */
4873 /*------------------------------------------------------------------*/
4876 mono_arch_get_patch_offset (guint8 *code)
4881 /*========================= End of Function ========================*/
4884 mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
4886 /* FIXME: implement */
4887 g_assert_not_reached ();