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); \
138 #define MONO_EMIT_NEW_MOVE2(cfg,dest,offset,src,imm,size) do { \
142 MONO_INST_NEW (cfg, inst, OP_NOP); \
144 tmpr = mono_alloc_preg (cfg); \
145 MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
147 inst->inst_offset = offset; \
149 inst->inst_imm = imm; \
150 inst->sreg2 = tmpr; \
152 if (s390_is_uimm12(offset)) { \
154 inst->inst_offset = offset; \
156 dReg = mono_alloc_preg (cfg); \
157 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
158 dReg, dest, offset); \
160 inst->inst_offset = 0; \
162 if (s390_is_uimm12(imm)) { \
164 inst->inst_imm = imm; \
166 sReg = mono_alloc_preg (cfg); \
167 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
169 inst->sreg1 = sReg; \
170 inst->inst_imm = 0; \
173 inst->opcode = OP_S390_MOVE; \
174 inst->backend.size = size; \
175 MONO_ADD_INS (cfg->cbb, inst); \
178 #define MONO_OUTPUT_VTR2(cfg, size, dr, sr, so) do { \
179 int reg = mono_alloc_preg (cfg); \
182 MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
183 mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
186 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
188 mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
191 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
193 mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
196 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
198 mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
201 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
203 mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
204 reg = mono_alloc_preg (cfg); \
205 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
206 reg, sr, so + sizeof (guint32)); \
207 mono_call_inst_add_outarg_reg(cfg, call, reg, dr + 1, FALSE); \
212 #define MONO_OUTPUT_VTS2(cfg, size, dr, dx, sr, so) do { \
216 tmpr = mono_alloc_preg (cfg); \
217 MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
218 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
222 tmpr = mono_alloc_preg (cfg); \
223 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
225 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
229 tmpr = mono_alloc_preg (cfg); \
230 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
232 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
237 MONO_EMIT_NEW_MOVE2 (cfg, dr, dx, sr, so, size); \
243 #define DEBUG(a) if (cfg->verbose_level > 1) a
247 #define S390_TRACE_STACK_SIZE (5*sizeof(gint32)+3*sizeof(gdouble))
249 #define MAX (a, b) ((a) > (b) ? (a) : (b))
251 /*========================= End of Defines =========================*/
253 /*------------------------------------------------------------------*/
254 /* I n c l u d e s */
255 /*------------------------------------------------------------------*/
260 #include <mono/metadata/appdomain.h>
261 #include <mono/metadata/debug-helpers.h>
262 #include <mono/metadata/profiler-private.h>
263 #include <mono/utils/mono-math.h>
265 #include "mini-s390.h"
267 #include "cpu-s390.h"
268 #include "jit-icalls.h"
270 /*========================= End of Includes ========================*/
272 /*------------------------------------------------------------------*/
273 /* T y p e d e f s */
274 /*------------------------------------------------------------------*/
286 /*------------------------------------------------------------------*/
287 /* Used by the instrument_emit_epilog */
288 /*------------------------------------------------------------------*/
299 typedef struct InstList InstList;
313 RegTypeStructByValInFP,
318 gint32 offset; /* offset from caller's stack */
319 gint32 offparm; /* offset from callee's stack */
320 guint16 vtsize; /* in param area */
322 ArgStorage regtype; /* See RegType* */
323 guint32 size; /* Size of structure used by RegTypeStructByVal */
338 gint32 gr[5]; /* R2-R6 */
339 gdouble fp[3]; /* F0-F2 */
340 } __attribute__ ((packed)) RegParm;
342 /*========================= End of Typedefs ========================*/
344 /*------------------------------------------------------------------*/
345 /* P r o t o t y p e s */
346 /*------------------------------------------------------------------*/
348 static void indent (int);
349 static guint8 * backUpStackPtr(MonoCompile *, guint8 *, gint);
350 static void decodeParm (MonoType *, void *, int);
351 static void enter_method (MonoMethod *, RegParm *, char *);
352 static void leave_method (MonoMethod *, ...);
353 static gboolean is_regsize_var (MonoType *);
354 static inline void add_general (guint *, size_data *, ArgInfo *, gboolean);
355 static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
356 static inline void add_float (guint *, size_data *, ArgInfo *);
357 static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
358 static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
359 gpointer mono_arch_get_lmf_addr (void);
360 static guint8 * emit_load_volatile_registers(guint8 *, MonoCompile *);
361 static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *, int);
363 /*========================= End of Prototypes ======================*/
365 /*------------------------------------------------------------------*/
366 /* G l o b a l V a r i a b l e s */
367 /*------------------------------------------------------------------*/
369 int mono_exc_esp_offset = 0;
371 static int indent_level = 0;
373 static gboolean tls_offset_inited = FALSE;
375 static int appdomain_tls_offset = -1,
376 thread_tls_offset = -1;
378 pthread_key_t lmf_addr_key;
380 gboolean lmf_addr_key_inited = FALSE;
384 extern __thread MonoDomain *tls_appdomain;
385 extern __thread MonoThread *tls_current_object;
386 extern __thread gpointer mono_lmf_addr;
390 /*====================== End of Global Variables ===================*/
392 /*------------------------------------------------------------------*/
394 /* Name - mono_arch_regname */
396 /* Function - Returns the name of the register specified by */
397 /* the input parameter. */
399 /*------------------------------------------------------------------*/
402 mono_arch_regname (int reg) {
403 static const char * rnames[] = {
404 "s390_r0", "s390_sp", "s390_r2", "s390_r3", "s390_r4",
405 "s390_r5", "s390_r6", "s390_r7", "s390_r8", "s390_r9",
406 "s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
410 if (reg >= 0 && reg < 16)
416 /*========================= End of Function ========================*/
418 /*------------------------------------------------------------------*/
420 /* Name - mono_arch_fregname */
422 /* Function - Returns the name of the register specified by */
423 /* the input parameter. */
425 /*------------------------------------------------------------------*/
428 mono_arch_fregname (int reg) {
429 static const char * rnames[] = {
430 "s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
431 "s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
432 "s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
436 if (reg >= 0 && reg < 16)
442 /*========================= End of Function ========================*/
444 /*------------------------------------------------------------------*/
446 /* Name - arch_get_argument_info */
448 /* Function - Gathers information on parameters such as size, */
449 /* alignment, and padding. arg_info should be large */
450 /* enough to hold param_count + 1 entries. */
452 /* Parameters - @csig - Method signature */
453 /* @param_count - No. of parameters to consider */
454 /* @arg_info - An array to store the result info */
456 /* Returns - Size of the activation frame */
458 /*------------------------------------------------------------------*/
461 mono_arch_get_argument_info (MonoMethodSignature *csig,
463 MonoJitArgumentInfo *arg_info)
465 int k, frame_size = 0;
466 int size, align, pad;
469 if (MONO_TYPE_ISSTRUCT (csig->ret)) {
470 frame_size += sizeof (gpointer);
474 arg_info [0].offset = offset;
477 frame_size += sizeof (gpointer);
481 arg_info [0].size = frame_size;
483 for (k = 0; k < param_count; k++) {
486 size = mono_type_native_stack_size (csig->params [k], &align);
488 size = mini_type_stack_size (NULL, csig->params [k], &align);
490 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
491 arg_info [k].pad = pad;
493 arg_info [k + 1].pad = 0;
494 arg_info [k + 1].size = size;
496 arg_info [k + 1].offset = offset;
500 align = MONO_ARCH_FRAME_ALIGNMENT;
501 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
502 arg_info [k].pad = pad;
507 /*========================= End of Function ========================*/
509 /*------------------------------------------------------------------*/
511 /* Name - retFitsInReg. */
513 /* Function - Determines if a value can be returned in one or */
516 /*------------------------------------------------------------------*/
518 static inline gboolean
519 retFitsInReg(guint32 size)
534 /*========================= End of Function ========================*/
536 /*------------------------------------------------------------------*/
538 /* Name - backStackPtr. */
540 /* Function - Restore Stack Pointer to previous frame. */
542 /*------------------------------------------------------------------*/
544 static inline guint8 *
545 backUpStackPtr(MonoCompile *cfg, guint8 *code, gint framePtr)
547 int stackSize = cfg->stack_usage;
549 if (s390_is_uimm16 (cfg->stack_usage)) {
550 s390_ahi (code, framePtr, cfg->stack_usage);
552 while (stackSize > 32767) {
553 s390_ahi (code, framePtr, 32767);
556 s390_ahi (code, framePtr, stackSize);
561 /*========================= End of Function ========================*/
563 /*------------------------------------------------------------------*/
567 /* Function - Perform nice indenting to current level */
569 /*------------------------------------------------------------------*/
575 indent_level += diff;
582 indent_level += diff;
585 /*========================= End of Function ========================*/
587 /*------------------------------------------------------------------*/
589 /* Name - decodeParm */
591 /* Function - Decode a parameter for the trace. */
593 /*------------------------------------------------------------------*/
596 decodeParm(MonoType *type, void *curParm, int size)
601 printf("[BYREF:%p], ", *((char **) curParm));
603 simpleType = mono_type_get_underlying_type(type)->type;
605 switch (simpleType) {
607 printf ("[INTPTR:%p], ", *((int **) curParm));
610 printf ("[UINTPTR:%p], ", *((int **) curParm));
612 case MONO_TYPE_BOOLEAN :
613 printf ("[BOOL:%d], ", *((int *) curParm));
615 case MONO_TYPE_CHAR :
616 printf ("[CHAR:%c], ", *((int *) curParm));
619 printf ("[INT1:%d], ", *((int *) curParm));
622 printf ("[INT2:%d], ", *((int *) curParm));
625 printf ("[INT4:%d], ", *((int *) curParm));
628 printf ("[UINT1:%u], ", *((unsigned int *) curParm));
631 printf ("[UINT2:%u], ", *((guint16 *) curParm));
634 printf ("[UINT4:%u], ", *((guint32 *) curParm));
637 printf ("[UINT8:%llu], ", *((guint64 *) curParm));
639 case MONO_TYPE_STRING : {
640 MonoString *s = *((MonoString **) curParm);
642 g_assert (((MonoObject *) s)->vtable->klass == mono_defaults.string_class);
643 printf("[STRING:%p:%s], ", s, mono_string_to_utf8(s));
645 printf("[STRING:null], ");
649 case MONO_TYPE_CLASS :
650 case MONO_TYPE_OBJECT : {
651 MonoObject *obj = *((MonoObject **) curParm);
653 if ((obj) && (obj->vtable)) {
654 printf("[CLASS/OBJ:");
655 class = obj->vtable->klass;
656 printf("%p [%p] ",obj,curParm);
657 // if (class == mono_defaults.string_class) {
658 // printf("[STRING:%p:%s]",
659 // *obj, mono_string_to_utf8 (obj));
660 // } else if (class == mono_defaults.int32_class) {
661 // printf("[INT32:%p:%d]",
662 // obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
664 // printf("[%s.%s:%p]",
665 // class->name_space, class->name, obj);
668 printf("[OBJECT:null], ");
673 printf("[PTR:%p], ", *((gpointer **) (curParm)));
675 case MONO_TYPE_FNPTR :
676 printf("[FNPTR:%p], ", *((gpointer **) (curParm)));
678 case MONO_TYPE_ARRAY :
679 printf("[ARRAY:%p], ", *((gpointer **) (curParm)));
681 case MONO_TYPE_SZARRAY :
682 printf("[SZARRAY:%p], ", *((gpointer **) (curParm)));
685 printf("[INT8:%lld], ", *((gint64 *) (curParm)));
688 printf("[FLOAT4:%g], ", *((double *) (curParm)));
691 printf("[FLOAT8:%g], ", *((double *) (curParm)));
693 case MONO_TYPE_VALUETYPE : {
695 MonoMarshalType *info;
697 if (type->data.klass->enumtype) {
698 simpleType = type->data.klass->enum_basetype->type;
699 printf("{VALUETYPE} - ");
703 info = mono_marshal_load_type_info (type->data.klass);
705 if ((info->native_size == sizeof(float)) &&
706 (info->num_fields == 1) &&
707 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
708 printf("[FLOAT4:%f], ", *((float *) (curParm)));
712 if ((info->native_size == sizeof(double)) &&
713 (info->num_fields == 1) &&
714 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
715 printf("[FLOAT8:%g], ", *((double *) (curParm)));
719 printf("[VALUETYPE:");
720 for (i = 0; i < size; i++)
721 printf("%02x,", *((guint8 *)curParm+i));
725 case MONO_TYPE_TYPEDBYREF: {
727 printf("[TYPEDBYREF:");
728 for (i = 0; i < size; i++)
729 printf("%02x,", *((guint8 *)curParm+i));
734 printf("[?? - %d], ",simpleType);
739 /*========================= End of Function ========================*/
743 /*------------------------------------------------------------------*/
745 /* Name - enter_method */
747 /* Function - Perform tracing of the entry to the current */
750 /*------------------------------------------------------------------*/
753 enter_method (MonoMethod *method, RegParm *rParm, char *sp)
755 int i, oParm = 0, iParm = 0;
757 MonoMethodSignature *sig;
764 fname = mono_method_full_name (method, TRUE);
766 printf ("ENTER: %s(", fname);
769 ip = (*(guint32 *) (sp+S390_RET_ADDR_OFFSET)) & 0x7fffffff;
770 printf (") ip: %p sp: %p - ", (gpointer) ip, sp);
775 sig = mono_method_signature (method);
777 cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
779 if (cinfo->struct_ret) {
780 printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
785 gpointer *this = (gpointer *) rParm->gr[iParm];
786 obj = (MonoObject *) this;
787 if (method->klass->valuetype) {
789 printf("this:[value:%p:%08x], ",
790 this, *((guint32 *)(this+sizeof(MonoObject))));
792 printf ("this:[NULL], ");
795 // class = obj->vtable->klass;
796 // if (class == mono_defaults.string_class) {
797 // printf ("this:[STRING:%p:%s], ",
798 // obj, mono_string_to_utf8 ((MonoString *)obj));
800 // printf ("this:%p[%s.%s], ",
801 // obj, class->name_space, class->name);
803 printf("this:%p, ",obj);
805 printf ("this:NULL, ");
810 for (i = 0; i < sig->param_count; ++i) {
811 ainfo = &cinfo->args[i + oParm];
812 switch (ainfo->regtype) {
813 case RegTypeGeneral :
814 decodeParm(sig->params[i], &(rParm->gr[ainfo->reg-2]), ainfo->size);
817 decodeParm(sig->params[i], &(rParm->fp[ainfo->reg]), ainfo->size);
820 decodeParm(sig->params[i], sp+ainfo->offset, ainfo->size);
822 case RegTypeStructByVal :
823 if (ainfo->reg != STK_BASE)
824 curParm = &(rParm->gr[ainfo->reg-2]);
826 curParm = sp+ainfo->offset;
828 if (retFitsInReg (ainfo->vtsize))
829 decodeParm(sig->params[i],
833 decodeParm(sig->params[i],
834 *((char **) curParm),
837 case RegTypeStructByAddr :
838 if (ainfo->reg != STK_BASE)
839 curParm = &(rParm->gr[ainfo->reg-2]);
841 curParm = sp+ainfo->offset;
843 decodeParm(sig->params[i],
844 *((char **) curParm),
856 /*========================= End of Function ========================*/
858 /*------------------------------------------------------------------*/
860 /* Name - leave_method */
864 /*------------------------------------------------------------------*/
867 leave_method (MonoMethod *method, ...)
874 va_start(ap, method);
876 fname = mono_method_full_name (method, TRUE);
878 printf ("LEAVE: %s", fname);
881 type = mono_method_signature (method)->ret;
884 switch (type->type) {
887 case MONO_TYPE_BOOLEAN: {
888 int val = va_arg (ap, int);
890 printf ("[TRUE:%d]", val);
896 case MONO_TYPE_CHAR: {
897 int val = va_arg (ap, int);
898 printf ("[CHAR:%d]", val);
902 int val = va_arg (ap, int);
903 printf ("[INT1:%d]", val);
907 int val = va_arg (ap, int);
908 printf ("[UINT1:%d]", val);
912 int val = va_arg (ap, int);
913 printf ("[INT2:%d]", val);
917 int val = va_arg (ap, int);
918 printf ("[UINT2:%d]", val);
922 int val = va_arg (ap, int);
923 printf ("[INT4:%d]", val);
927 int val = va_arg (ap, int);
928 printf ("[UINT4:%d]", val);
932 int val = va_arg (ap, int);
933 printf ("[INT:%d]", val);
938 int val = va_arg (ap, int);
939 printf ("[UINT:%d]", val);
943 case MONO_TYPE_STRING: {
944 MonoString *s = va_arg (ap, MonoString *);
947 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
948 printf ("[STRING:%p:%s]", s, mono_string_to_utf8 (s));
950 printf ("[STRING:null], ");
953 case MONO_TYPE_CLASS:
954 case MONO_TYPE_OBJECT: {
955 MonoObject *o = va_arg (ap, MonoObject *);
957 // if ((o) && (o->vtable)) {
958 // if (o->vtable->klass == mono_defaults.boolean_class) {
959 // printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
960 // } else if (o->vtable->klass == mono_defaults.int32_class) {
961 // printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
962 // } else if (o->vtable->klass == mono_defaults.int64_class) {
963 // printf ("[INT64:%p:%lld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
965 // printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
967 printf ("[OBJECT:%p]", o);
972 case MONO_TYPE_FNPTR:
973 case MONO_TYPE_ARRAY:
974 case MONO_TYPE_SZARRAY: {
975 gpointer p = va_arg (ap, gpointer);
976 printf ("[result=%p]", p);
980 gint64 l = va_arg (ap, gint64);
981 printf ("[LONG:%lld]", l);
985 guint64 l = va_arg (ap, guint64);
986 printf ("[ULONG:%llu]", l);
991 f = va_arg (ap, double);
992 printf ("[FLOAT4:%g]\n", f);
996 double f = va_arg (ap, double);
997 printf ("[FLOAT8:%g]\n", f);
1000 case MONO_TYPE_VALUETYPE: {
1001 MonoMarshalType *info;
1002 if (type->data.klass->enumtype) {
1003 type = type->data.klass->enum_basetype;
1006 guint8 *p = va_arg (ap, gpointer);
1009 info = mono_marshal_load_type_info (type->data.klass);
1011 if ((info->native_size == sizeof(float)) &&
1012 (info->num_fields == 1) &&
1013 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
1014 double f = va_arg (ap, double);
1015 printf("[FLOAT4:%g]\n", (double) f);
1019 if ((info->native_size == sizeof(double)) &&
1020 (info->num_fields == 1) &&
1021 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
1022 double f = va_arg (ap, double);
1023 printf("[FLOAT8:%g]\n", f);
1027 size = mono_type_size (type, &align);
1034 for (j = 0; p && j < size; j++)
1035 printf ("%02x,", p [j]);
1039 printf ("[VALUERET]\n");
1044 case MONO_TYPE_TYPEDBYREF: {
1045 guint8 *p = va_arg (ap, gpointer);
1047 size = mono_type_size (type, &align);
1054 for (j = 0; p && j < size; j++)
1055 printf ("%02x,", p [j]);
1059 printf ("[TYPEDBYREF]\n");
1064 printf ("(unknown return type %x)",
1065 mono_method_signature (method)->ret->type);
1068 ip = ((gint32) __builtin_return_address (0)) & 0x7fffffff;
1069 printf (" ip: %p\n", (gpointer) ip);
1072 /*========================= End of Function ========================*/
1074 /*------------------------------------------------------------------*/
1076 /* Name - mono_arch_cpu_init */
1078 /* Function - Perform CPU specific initialization to execute */
1081 /*------------------------------------------------------------------*/
1084 mono_arch_cpu_init (void)
1088 /*--------------------------------------*/
1089 /* Set default rounding mode for FP */
1090 /*--------------------------------------*/
1091 __asm__ ("SRNM\t%0\n\t"
1095 /*========================= End of Function ========================*/
1099 * Initialize architecture specific code.
1102 mono_arch_init (void)
1107 * Cleanup architecture specific code.
1110 mono_arch_cleanup (void)
1114 /*------------------------------------------------------------------*/
1116 /* Name - mono_arch_cpu_optimizazions */
1118 /* Function - Returns the optimizations supported on this CPU */
1120 /*------------------------------------------------------------------*/
1123 mono_arch_cpu_optimizazions (guint32 *exclude_mask)
1127 /*----------------------------------------------------------*/
1128 /* no s390-specific optimizations yet */
1129 /*----------------------------------------------------------*/
1130 *exclude_mask = MONO_OPT_INLINE|MONO_OPT_LINEARS;
1131 // *exclude_mask = MONO_OPT_INLINE;
1135 /*========================= End of Function ========================*/
1137 /*------------------------------------------------------------------*/
1143 /*------------------------------------------------------------------*/
1146 is_regsize_var (MonoType *t) {
1149 switch (mono_type_get_underlying_type (t)->type) {
1155 case MONO_TYPE_FNPTR:
1157 case MONO_TYPE_OBJECT:
1158 case MONO_TYPE_STRING:
1159 case MONO_TYPE_CLASS:
1160 case MONO_TYPE_SZARRAY:
1161 case MONO_TYPE_ARRAY:
1163 case MONO_TYPE_VALUETYPE:
1164 if (t->data.klass->enumtype)
1165 return is_regsize_var (t->data.klass->enum_basetype);
1171 /*========================= End of Function ========================*/
1173 /*------------------------------------------------------------------*/
1175 /* Name - mono_arch_get_allocatable_int_vars */
1179 /*------------------------------------------------------------------*/
1182 mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
1187 for (i = 0; i < cfg->num_varinfo; i++) {
1188 MonoInst *ins = cfg->varinfo [i];
1189 MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
1192 if (vmv->range.first_use.abs_pos >= vmv->range.last_use.abs_pos)
1195 if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) ||
1196 (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
1199 /* we can only allocate 32 bit values */
1200 if (is_regsize_var (ins->inst_vtype)) {
1201 g_assert (MONO_VARINFO (cfg, i)->reg == -1);
1202 g_assert (i == vmv->idx);
1203 vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
1210 /*========================= End of Function ========================*/
1212 /*------------------------------------------------------------------*/
1214 /* Name - mono_arch_global_int_regs */
1216 /* Function - Return a list of usable integer registers. */
1218 /*------------------------------------------------------------------*/
1221 mono_arch_get_global_int_regs (MonoCompile *cfg)
1224 MonoMethodHeader *header;
1227 header = mono_method_get_header (cfg->method);
1228 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1229 cfg->frame_reg = s390_r11;
1231 /* FIXME: s390_r12 is reserved for bkchain_reg. Only reserve it if needed */
1233 for (i = 8; i < top; ++i) {
1234 if (cfg->frame_reg != i)
1235 regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
1241 /*========================= End of Function ========================*/
1243 /*------------------------------------------------------------------*/
1245 /* Name - mono_arch_flush_icache */
1247 /* Function - Flush the CPU icache. */
1249 /*------------------------------------------------------------------*/
1252 mono_arch_flush_icache (guint8 *code, gint size)
1256 /*========================= End of Function ========================*/
1258 /*------------------------------------------------------------------*/
1260 /* Name - mono_arch_is_inst_imm */
1262 /*------------------------------------------------------------------*/
1265 mono_arch_is_inst_imm (gint64 imm)
1267 /* The lowering pass will take care of it */
1271 /*========================= End of Function ========================*/
1273 /*------------------------------------------------------------------*/
1275 /* Name - add_general */
1277 /* Function - Determine code and stack size incremements for a */
1280 /*------------------------------------------------------------------*/
1283 add_general (guint *gr, size_data *sz, ArgInfo *ainfo, gboolean simple)
1288 if (*gr > S390_LAST_ARG_REG) {
1289 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1290 ainfo->offset = sz->stack_size;
1291 ainfo->reg = STK_BASE;
1292 ainfo->regtype = RegTypeBase;
1293 sz->stack_size += sizeof(int);
1294 sz->local_size += sizeof(int);
1295 sz->offStruct += sizeof(int);
1296 sz->code_size += 12;
1302 if (*gr > S390_LAST_ARG_REG - 1) {
1303 disp = sz->stack_size;
1304 sz->stack_size = S390_ALIGN(sz->stack_size, S390_STACK_ALIGNMENT);
1305 disp = sz->stack_size - disp;
1306 ainfo->offset = sz->stack_size;
1307 ainfo->reg = STK_BASE;
1308 ainfo->regtype = RegTypeBase;
1309 sz->stack_size += sizeof(long long);
1310 sz->local_size += (sizeof(long long) + disp);
1311 sz->offStruct += (sizeof(long long) + disp);
1312 sz->code_size += 10;
1322 /*========================= End of Function ========================*/
1324 /*------------------------------------------------------------------*/
1326 /* Name - add_stackParm */
1328 /* Function - Determine code and stack size incremements for a */
1331 /*------------------------------------------------------------------*/
1334 add_stackParm (guint *gr, size_data *sz, ArgInfo *ainfo, gint size)
1336 if (*gr > S390_LAST_ARG_REG) {
1337 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1338 ainfo->reg = STK_BASE;
1339 ainfo->offset = sz->stack_size;
1340 sz->stack_size += sizeof (gpointer);
1341 sz->parm_size += sizeof(gpointer);
1342 sz->offStruct += sizeof(gpointer);
1345 ainfo->offset = sz->stack_size;
1348 ainfo->offparm = sz->offset;
1349 sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
1351 ainfo->regtype = RegTypeStructByAddr;
1352 ainfo->vtsize = size;
1353 sz->parm_size += size;
1356 /*========================= End of Function ========================*/
1358 /*------------------------------------------------------------------*/
1360 /* Name - add_float */
1362 /* Function - Determine code and stack size incremements for a */
1363 /* float parameter. */
1365 /*------------------------------------------------------------------*/
1368 add_float (guint *fr, size_data *sz, ArgInfo *ainfo)
1370 if ((*fr) <= S390_LAST_FPARG_REG) {
1371 ainfo->regtype = RegTypeFP;
1377 ainfo->offset = sz->stack_size;
1378 ainfo->reg = STK_BASE;
1379 ainfo->regtype = RegTypeBase;
1381 sz->stack_size += ainfo->size;
1382 sz->local_size += ainfo->size;
1383 sz->offStruct += ainfo->size;
1387 /*========================= End of Function ========================*/
1389 /*------------------------------------------------------------------*/
1391 /* Name - get_call_info */
1393 /* Function - Determine the amount of space required for code */
1394 /* and stack. In addition determine starting points */
1395 /* for stack-based parameters, and area for struct- */
1396 /* ures being returned on the stack. */
1398 /*------------------------------------------------------------------*/
1401 get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
1403 guint i, fr, gr, size;
1404 int nParm = sig->hasthis + sig->param_count;
1406 guint32 simpletype, align;
1409 MonoGenericSharingContext *gsctx = cfg ? cfg->generic_sharing_context : NULL;
1412 cinfo = mono_mempool_alloc0 (mp, sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
1414 cinfo = g_malloc0 (sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
1419 cinfo->struct_ret = 0;
1422 sz->offStruct = S390_MINIMAL_STACK_SIZE;
1424 sz->stack_size = S390_MINIMAL_STACK_SIZE;
1429 /*----------------------------------------------------------*/
1430 /* We determine the size of the return code/stack in case we*/
1431 /* need to reserve a register to be used to address a stack */
1432 /* area that the callee will use. */
1433 /*----------------------------------------------------------*/
1435 ret_type = mono_type_get_underlying_type (sig->ret);
1436 ret_type = mini_get_basic_type_from_generic (gsctx, ret_type);
1437 simpletype = ret_type->type;
1439 switch (simpletype) {
1440 case MONO_TYPE_BOOLEAN:
1445 case MONO_TYPE_CHAR:
1450 case MONO_TYPE_CLASS:
1451 case MONO_TYPE_OBJECT:
1452 case MONO_TYPE_SZARRAY:
1453 case MONO_TYPE_ARRAY:
1455 case MONO_TYPE_FNPTR:
1456 case MONO_TYPE_STRING:
1457 cinfo->ret.reg = s390_r2;
1462 cinfo->ret.reg = s390_f0;
1467 cinfo->ret.reg = s390_r2;
1470 case MONO_TYPE_GENERICINST:
1471 if (!mono_type_generic_inst_is_valuetype (sig->ret)) {
1472 cinfo->ret.reg = s390_r2;
1477 case MONO_TYPE_VALUETYPE: {
1478 MonoClass *klass = mono_class_from_mono_type (sig->ret);
1479 if (klass->enumtype) {
1480 simpletype = klass->enum_basetype->type;
1484 size = mono_class_native_size (klass, &align);
1486 size = mono_class_value_size (klass, &align);
1488 cinfo->ret.reg = s390_r2;
1489 cinfo->struct_ret = 1;
1490 cinfo->ret.size = size;
1491 cinfo->ret.vtsize = size;
1495 case MONO_TYPE_TYPEDBYREF:
1496 size = sizeof (MonoTypedRef);
1497 cinfo->ret.reg = s390_r2;
1498 cinfo->struct_ret = 1;
1499 cinfo->ret.size = size;
1500 cinfo->ret.vtsize = size;
1503 case MONO_TYPE_VOID:
1506 g_error ("mini-s390: cannot handle as return value 0x%x (0x%x)", sig->ret->type,simpletype);
1510 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1511 cinfo->args[nParm].size = sizeof(gpointer);
1515 /*----------------------------------------------------------*/
1516 /* We determine the size of the parameter code and stack */
1517 /* requirements by checking the types and sizes of the */
1519 /*----------------------------------------------------------*/
1521 for (i = 0; i < sig->param_count; ++i) {
1524 /*--------------------------------------------------*/
1525 /* Handle vararg type calls. All args are put on */
1527 /*--------------------------------------------------*/
1528 if ((sig->call_convention == MONO_CALL_VARARG) &&
1529 (i == sig->sentinelpos)) {
1530 gr = S390_LAST_ARG_REG + 1;
1531 add_general (&gr, sz, &cinfo->sigCookie, TRUE);
1534 if (sig->params [i]->byref) {
1535 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1536 cinfo->args[nParm].size = sizeof(gpointer);
1541 ptype = mono_type_get_underlying_type (sig->params [i]);
1542 ptype = mini_get_basic_type_from_generic (gsctx, ptype);
1543 simpletype = ptype->type;
1544 switch (simpletype) {
1545 case MONO_TYPE_BOOLEAN:
1548 cinfo->args[nParm].size = sizeof(char);
1549 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1554 case MONO_TYPE_CHAR:
1555 cinfo->args[nParm].size = sizeof(short);
1556 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1561 cinfo->args[nParm].size = sizeof(int);
1562 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1568 case MONO_TYPE_FNPTR:
1569 case MONO_TYPE_CLASS:
1570 case MONO_TYPE_OBJECT:
1571 case MONO_TYPE_STRING:
1572 case MONO_TYPE_SZARRAY:
1573 case MONO_TYPE_ARRAY:
1574 cinfo->args[nParm].size = sizeof(gpointer);
1575 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1580 cinfo->args[nParm].size = sizeof(long long);
1581 add_general (&gr, sz, cinfo->args+nParm, FALSE);
1585 cinfo->args[nParm].size = sizeof(float);
1586 add_float (&fr, sz, cinfo->args+nParm);
1590 cinfo->args[nParm].size = sizeof(double);
1591 add_float (&fr, sz, cinfo->args+nParm);
1594 case MONO_TYPE_GENERICINST:
1595 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
1596 cinfo->args[nParm].size = sizeof(gpointer);
1597 add_general (&gr, sz, cinfo->args+nParm, TRUE);
1602 case MONO_TYPE_VALUETYPE: {
1603 MonoMarshalType *info;
1604 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
1606 size = mono_class_native_size (klass, &align);
1608 size = mono_class_value_size (klass, &align);
1610 info = mono_marshal_load_type_info (klass);
1612 if ((info->native_size == sizeof(float)) &&
1613 (info->num_fields == 1) &&
1614 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
1615 cinfo->args[nParm].size = sizeof(float);
1616 add_float(&fr, sz, cinfo->args+nParm);
1621 if ((info->native_size == sizeof(double)) &&
1622 (info->num_fields == 1) &&
1623 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
1624 cinfo->args[nParm].size = sizeof(double);
1625 add_float(&fr, sz, cinfo->args+nParm);
1630 cinfo->args[nParm].vtsize = 0;
1631 cinfo->args[nParm].size = 0;
1634 /*----------------------------------*/
1635 /* On S/390, structures of size 1, */
1636 /* 2, 4, and 8 bytes are passed in */
1637 /* (a) register(s). */
1638 /*----------------------------------*/
1643 add_general(&gr, sz, cinfo->args+nParm, TRUE);
1644 cinfo->args[nParm].size = size;
1645 cinfo->args[nParm].regtype = RegTypeStructByVal;
1647 sz->local_size += sizeof(long);
1650 add_general(&gr, sz, cinfo->args+nParm, FALSE);
1651 cinfo->args[nParm].size = sizeof(long long);
1652 cinfo->args[nParm].regtype = RegTypeStructByVal;
1654 sz->local_size += sizeof(long long);
1657 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1662 case MONO_TYPE_TYPEDBYREF: {
1663 int size = sizeof (MonoTypedRef);
1665 cinfo->args[nParm].vtsize = 0;
1666 cinfo->args[nParm].size = 0;
1669 /*----------------------------------*/
1670 /* On S/390, structures of size 1, */
1671 /* 2, 4, and 8 bytes are passed in */
1672 /* (a) register(s). */
1673 /*----------------------------------*/
1678 add_general(&gr, sz, cinfo->args+nParm, TRUE);
1679 cinfo->args[nParm].size = size;
1680 cinfo->args[nParm].regtype = RegTypeStructByVal;
1682 sz->local_size += sizeof(long);
1685 add_general(&gr, sz, cinfo->args+nParm, FALSE);
1686 cinfo->args[nParm].size = sizeof(long long);
1687 cinfo->args[nParm].regtype = RegTypeStructByVal;
1689 sz->local_size += sizeof(long long);
1692 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1698 g_error ("Can't trampoline 0x%x", sig->params [i]->type);
1702 /*----------------------------------------------------------*/
1703 /* If we are passing a structure back then if it won't be */
1704 /* in a register(s) then we make room at the end of the */
1705 /* parameters that may have been placed on the stack */
1706 /*----------------------------------------------------------*/
1707 if (cinfo->struct_ret) {
1708 cinfo->ret.offset = sz->stack_size;
1709 switch (cinfo->ret.size) {
1717 sz->stack_size += S390_ALIGN(cinfo->ret.size, align);
1721 /*----------------------------------------------------------*/
1722 /* Handle the case where there are no implicit arguments */
1723 /*----------------------------------------------------------*/
1724 if ((sig->call_convention == MONO_CALL_VARARG) &&
1725 (sig->param_count == sig->sentinelpos)) {
1726 gr = S390_LAST_ARG_REG + 1;
1727 add_general (&gr, sz, &cinfo->sigCookie, TRUE);
1731 sz->stack_size = sz->stack_size + sz->local_size + sz->parm_size +
1733 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1738 /*========================= End of Function ========================*/
1740 /*------------------------------------------------------------------*/
1742 /* Name - mono_arch_allocate_vars */
1744 /* Function - Set var information according to the calling */
1745 /* convention for S/390. The local var stuff should */
1746 /* most likely be split in another method. */
1748 /* Parameter - @m - Compile unit. */
1750 /*------------------------------------------------------------------*/
1753 mono_arch_allocate_vars (MonoCompile *cfg)
1755 MonoMethodSignature *sig;
1756 MonoMethodHeader *header;
1759 int iParm, iVar, offset, size, align, curinst;
1760 int frame_reg = STK_BASE;
1763 header = mono_method_get_header (cfg->method);
1765 cfg->flags |= MONO_CFG_HAS_SPILLUP;
1767 sig = mono_method_signature (cfg->method);
1769 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
1771 /*---------------------------------------------------------*/
1772 /* We use the frame register also for any method that has */
1773 /* filter clauses. This way, when the handlers are called, */
1774 /* the code will reference local variables using the frame */
1775 /* reg instead of the stack pointer: if we had to restore */
1776 /* the stack pointer, we'd corrupt the method frames that */
1777 /* are already on the stack (since filters get called */
1778 /* before stack unwinding happens) when the filter code */
1779 /* would call any method. */
1780 /*---------------------------------------------------------*/
1781 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1782 frame_reg = s390_r11;
1784 cfg->frame_reg = frame_reg;
1786 cfg->arch.bkchain_reg = -1;
1788 if (frame_reg != STK_BASE)
1789 cfg->used_int_regs |= 1 << frame_reg;
1791 sig = mono_method_signature (cfg->method);
1793 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
1795 if (cinfo->struct_ret) {
1797 cfg->vret_addr->opcode = OP_REGVAR;
1798 cfg->vret_addr->inst_c0 = s390_r2;
1801 switch (mono_type_get_underlying_type (sig->ret)->type) {
1802 case MONO_TYPE_VOID:
1805 cfg->ret->opcode = OP_REGVAR;
1806 cfg->ret->dreg = s390_r2;
1811 /*--------------------------------------------------------------*/
1812 /* local vars are at a positive offset from the stack pointer */
1813 /* also note that if the function uses alloca, we use s390_r11 */
1814 /* to point at the local variables. */
1815 /* add parameter area size for called functions */
1816 /*--------------------------------------------------------------*/
1817 offset = (cfg->param_area + S390_MINIMAL_STACK_SIZE);
1818 cfg->sig_cookie = 0;
1820 if (cinfo->struct_ret) {
1821 inst = cfg->vret_addr;
1822 offset = S390_ALIGN(offset, sizeof(gpointer));
1823 inst->inst_offset = offset;
1824 inst->opcode = OP_REGOFFSET;
1825 inst->inst_basereg = frame_reg;
1826 offset += sizeof(gpointer);
1827 if (!cfg->new_ir && (sig->call_convention == MONO_CALL_VARARG) &&
1828 (!retFitsInReg (cinfo->ret.size)))
1829 cfg->sig_cookie += cinfo->ret.size;
1830 if (G_UNLIKELY (cfg->verbose_level > 1)) {
1831 printf ("vret_addr =");
1832 mono_print_ins (cfg->vret_addr);
1837 inst = cfg->args [0];
1838 if (inst->opcode != OP_REGVAR) {
1839 inst->opcode = OP_REGOFFSET;
1840 inst->inst_basereg = frame_reg;
1841 offset = S390_ALIGN(offset, sizeof(gpointer));
1842 inst->inst_offset = offset;
1843 offset += sizeof (gpointer);
1850 eArg = sig->param_count + sArg;
1852 if (sig->call_convention == MONO_CALL_VARARG)
1853 cfg->sig_cookie += S390_MINIMAL_STACK_SIZE;
1855 for (iParm = sArg; iParm < eArg; ++iParm) {
1856 inst = cfg->args [curinst];
1857 if (inst->opcode != OP_REGVAR) {
1858 switch (cinfo->args[iParm].regtype) {
1859 case RegTypeStructByAddr :
1863 size = sizeof (gpointer);
1865 if (cinfo->args [iParm].reg == STK_BASE) {
1866 cfg->arch.bkchain_reg = s390_r12;
1867 cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
1869 inst->opcode = OP_REGOFFSET;
1870 inst->inst_basereg = cfg->arch.bkchain_reg;
1871 inst->inst_offset = cinfo->args [iParm].offset;
1873 inst->opcode = OP_REGOFFSET;
1874 inst->inst_basereg = frame_reg;
1875 inst->inst_offset = S390_ALIGN(offset, sizeof (gpointer));
1878 /* Add a level of indirection */
1879 MONO_INST_NEW (cfg, indir, 0);
1881 inst->opcode = OP_VTARG_ADDR;
1882 inst->inst_left = indir;
1884 if (cinfo->args[iParm].reg == STK_BASE) {
1885 inst->opcode = OP_S390_LOADARG;
1886 inst->inst_basereg = frame_reg;
1887 size = abs(cinfo->args[iParm].vtsize);
1888 offset = S390_ALIGN(offset, sizeof(long));
1889 inst->inst_offset = offset;
1890 inst->backend.arg_info = cinfo->args[iParm].offset;
1892 inst->opcode = OP_S390_ARGREG;
1893 inst->inst_basereg = frame_reg;
1894 size = sizeof(gpointer);
1895 offset = S390_ALIGN(offset, size);
1896 inst->inst_offset = offset;
1897 inst->backend.arg_info = cinfo->args[iParm].offset;
1901 case RegTypeStructByVal :
1903 size = cinfo->args[iParm].size;
1904 offset = S390_ALIGN(offset, size);
1905 inst->opcode = OP_REGOFFSET;
1906 inst->inst_basereg = frame_reg;
1907 inst->inst_offset = S390_ALIGN (offset, size);
1909 inst->opcode = OP_S390_ARGPTR;
1910 inst->inst_basereg = frame_reg;
1911 size = cinfo->args[iParm].size;
1912 offset = S390_ALIGN(offset, size);
1913 inst->inst_offset = offset;
1914 inst->backend.arg_info = cinfo->args[iParm].offset;
1919 if (cinfo->args [iParm].reg == STK_BASE) {
1921 * These arguments are in the previous frame, so we can't
1922 * compute their offset from the current frame pointer right
1923 * now, since cfg->stack_offset is not yet known, so dedicate a
1924 * register holding the previous frame pointer.
1926 cfg->arch.bkchain_reg = s390_r12;
1927 cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
1929 inst->opcode = OP_REGOFFSET;
1930 inst->inst_basereg = cfg->arch.bkchain_reg;
1931 size = (cinfo->args[iParm].size < 4
1932 ? 4 - cinfo->args[iParm].size
1934 inst->inst_offset = cinfo->args [iParm].offset + size;
1935 size = sizeof (long);
1937 inst->opcode = OP_REGOFFSET;
1938 inst->inst_basereg = frame_reg;
1939 size = (cinfo->args[iParm].size < 8
1941 : sizeof(long long));
1942 offset = S390_ALIGN(offset, size);
1943 inst->inst_offset = offset;
1946 if (cinfo->args[iParm].reg != STK_BASE) {
1947 inst->opcode = OP_REGOFFSET;
1948 inst->inst_basereg = frame_reg;
1949 size = (cinfo->args[iParm].size < 8
1951 : sizeof(long long));
1952 offset = S390_ALIGN(offset, size);
1953 inst->inst_offset = offset;
1955 inst->opcode = OP_S390_STKARG;
1956 inst->inst_basereg = frame_reg;
1957 size = (cinfo->args[iParm].size < 4
1958 ? 4 - cinfo->args[iParm].size
1960 inst->inst_offset = cinfo->args[iParm].offset +
1962 inst->backend.arg_info = 0;
1963 size = sizeof(long);
1967 if ((sig->call_convention == MONO_CALL_VARARG) &&
1968 (cinfo->args[iParm].regtype != RegTypeGeneral) &&
1969 (iParm < sig->sentinelpos))
1970 cfg->sig_cookie += size;
1977 curinst = cfg->locals_start;
1978 for (iVar = curinst; iVar < cfg->num_varinfo; ++iVar) {
1979 inst = cfg->varinfo [iVar];
1980 if ((inst->flags & MONO_INST_IS_DEAD) ||
1981 (inst->opcode == OP_REGVAR))
1984 /*--------------------------------------------------*/
1985 /* inst->backend.is_pinvoke indicates native sized value types, */
1986 /* this is used by the pinvoke wrappers when they */
1987 /* call functions returning structure */
1988 /*--------------------------------------------------*/
1989 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
1990 size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype), &align);
1992 size = mono_type_size (inst->inst_vtype, &align);
1994 offset = S390_ALIGN(offset, align);
1995 inst->inst_offset = offset;
1996 inst->opcode = OP_REGOFFSET;
1997 inst->inst_basereg = frame_reg;
1999 DEBUG (g_print("allocating local %d to %ld\n", iVar, inst->inst_offset));
2002 /*------------------------------------------------------*/
2003 /* Allow space for the trace method stack area if needed*/
2004 /*------------------------------------------------------*/
2005 if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method)) {
2006 offset += S390_TRACE_STACK_SIZE;
2009 /*------------------------------------------------------*/
2010 /* Reserve space to save LMF and caller saved registers */
2011 /*------------------------------------------------------*/
2012 if (cfg->method->save_lmf)
2013 offset += sizeof (MonoLMF);
2015 /*------------------------------------------------------*/
2016 /* align the offset */
2017 /*------------------------------------------------------*/
2018 cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
2020 /* Fix up offsets for arguments whose value is in the parent frame */
2022 for (iParm = sArg; iParm < eArg; ++iParm) {
2023 inst = cfg->args [iParm];
2025 if (inst->opcode == OP_S390_STKARG) {
2026 inst->opcode = OP_REGOFFSET;
2027 inst->inst_offset += cfg->stack_offset;
2033 /*========================= End of Function ========================*/
2035 /*------------------------------------------------------------------*/
2037 /* Name - mono_arch_create_vars */
2039 /*------------------------------------------------------------------*/
2042 mono_arch_create_vars (MonoCompile *cfg)
2044 MonoMethodSignature *sig;
2047 sig = mono_method_signature (cfg->method);
2049 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
2051 if (cinfo->struct_ret) {
2052 cfg->vret_addr = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_ARG);
2053 if (G_UNLIKELY (cfg->verbose_level > 1)) {
2054 printf ("vret_addr = ");
2055 mono_print_ins (cfg->vret_addr);
2060 /*========================= End of Function ========================*/
2062 /*------------------------------------------------------------------*/
2064 /* Name - mono_arch_call_opcode */
2066 /* Function - Take the arguments and generate the arch-specific */
2067 /* instructions to properly call the function. This */
2068 /* includes pushing, moving argments to the correct */
2071 /*------------------------------------------------------------------*/
2074 mono_arch_call_opcode (MonoCompile *cfg, MonoBasicBlock* bb,
2075 MonoCallInst *call, int is_virtual)
2078 MonoCallArgParm *arg;
2079 MonoMethodSignature *sig;
2080 int i, n, lParamArea;
2082 ArgInfo *ainfo = NULL;
2085 sig = call->signature;
2086 n = sig->param_count + sig->hasthis;
2087 DEBUG (g_print ("Call requires: %d parameters\n",n));
2089 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
2091 stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
2092 call->stack_usage = MAX(stackSize, call->stack_usage);
2093 lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
2094 cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
2095 cfg->flags |= MONO_CFG_HAS_CALLS;
2097 if (cinfo->struct_ret)
2098 call->used_iregs |= 1 << cinfo->ret.reg;
2100 for (i = 0; i < n; ++i) {
2101 ainfo = cinfo->args + i;
2103 if ((sig->call_convention == MONO_CALL_VARARG) &&
2104 (i == sig->sentinelpos)) {
2105 emit_sig_cookie (cfg, call, cinfo, ainfo->size);
2108 if (is_virtual && i == 0) {
2109 /* the argument will be attached to the call instrucion */
2110 in = call->args [i];
2111 call->used_iregs |= 1 << ainfo->reg;
2113 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG);
2114 in = call->args [i];
2115 arg->ins.cil_code = in->cil_code;
2116 arg->ins.inst_left = in;
2117 arg->ins.type = in->type;
2118 /* prepend, we'll need to reverse them later */
2119 arg->ins.next = call->out_args;
2120 call->out_args = (MonoInst *) arg;
2121 arg->ins.inst_right = (MonoInst *) call;
2122 if (ainfo->regtype == RegTypeGeneral) {
2123 arg->ins.backend.reg3 = ainfo->reg;
2124 call->used_iregs |= 1 << ainfo->reg;
2125 if (arg->ins.type == STACK_I8)
2126 call->used_iregs |= 1 << (ainfo->reg + 1);
2127 } else if (ainfo->regtype == RegTypeStructByAddr) {
2128 call->used_iregs |= 1 << ainfo->reg;
2129 arg->ins.sreg1 = ainfo->reg;
2130 arg->ins.opcode = OP_OUTARG_VT;
2131 arg->size = -ainfo->vtsize;
2132 arg->offset = ainfo->offset;
2133 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
2134 } else if (ainfo->regtype == RegTypeStructByVal) {
2135 if (ainfo->reg != STK_BASE) {
2136 switch (ainfo->size) {
2141 call->used_iregs |= 1 << ainfo->reg;
2144 call->used_iregs |= 1 << ainfo->reg;
2145 call->used_iregs |= 1 << (ainfo->reg+1);
2148 call->used_iregs |= 1 << ainfo->reg;
2151 arg->ins.sreg1 = ainfo->reg;
2152 arg->ins.opcode = OP_OUTARG_VT;
2153 arg->size = ainfo->size;
2154 arg->offset = ainfo->offset;
2155 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
2156 } else if (ainfo->regtype == RegTypeBase) {
2157 arg->ins.opcode = OP_OUTARG_MEMBASE;
2158 arg->ins.sreg1 = ainfo->reg;
2159 arg->size = ainfo->size;
2160 arg->offset = ainfo->offset;
2161 call->used_iregs |= 1 << ainfo->reg;
2162 } else if (ainfo->regtype == RegTypeFP) {
2163 arg->ins.backend.reg3 = ainfo->reg;
2164 call->used_fregs |= 1 << ainfo->reg;
2165 if (ainfo->size == 4)
2166 arg->ins.opcode = OP_OUTARG_R4;
2168 arg->ins.opcode = OP_OUTARG_R8;
2170 g_assert_not_reached ();
2176 * Handle the case where there are no implicit arguments
2178 if ((sig->call_convention == MONO_CALL_VARARG) &&
2179 (i == sig->sentinelpos)) {
2180 emit_sig_cookie (cfg, call, cinfo, ainfo->size);
2184 * Reverse the call->out_args list.
2187 MonoInst *prev = NULL, *list = call->out_args, *next;
2194 call->out_args = prev;
2200 /*========================= End of Function ========================*/
2203 add_outarg_reg2 (MonoCompile *cfg, MonoCallInst *call, ArgStorage storage, int reg, MonoInst *tree)
2208 case RegTypeGeneral:
2209 MONO_INST_NEW (cfg, ins, OP_MOVE);
2210 ins->dreg = mono_alloc_ireg (cfg);
2211 ins->sreg1 = tree->dreg;
2212 MONO_ADD_INS (cfg->cbb, ins);
2213 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, FALSE);
2216 MONO_INST_NEW (cfg, ins, OP_FMOVE);
2217 ins->dreg = mono_alloc_freg (cfg);
2218 ins->sreg1 = tree->dreg;
2219 MONO_ADD_INS (cfg->cbb, ins);
2220 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
2223 MONO_INST_NEW (cfg, ins, OP_S390_SETF4RET);
2224 ins->dreg = mono_alloc_freg (cfg);
2225 ins->sreg1 = tree->dreg;
2226 MONO_ADD_INS (cfg->cbb, ins);
2227 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
2230 g_assert_not_reached ();
2235 emit_sig_cookie2 (MonoCompile *cfg, MonoCallInst *call, CallInfo *cinfo)
2237 MonoMethodSignature *tmpSig;
2240 cfg->disable_aot = TRUE;
2242 /*----------------------------------------------------------*/
2243 /* mono_ArgIterator_Setup assumes the signature cookie is */
2244 /* passed first and all the arguments which were before it */
2245 /* passed on the stack after the signature. So compensate */
2246 /* by passing a different signature. */
2247 /*----------------------------------------------------------*/
2248 tmpSig = mono_metadata_signature_dup (call->signature);
2249 tmpSig->param_count -= call->signature->sentinelpos;
2250 tmpSig->sentinelpos = 0;
2251 if (tmpSig->param_count > 0)
2252 memcpy (tmpSig->params,
2253 call->signature->params + call->signature->sentinelpos,
2254 tmpSig->param_count * sizeof(MonoType *));
2256 MONO_INST_NEW (cfg, sig_arg, OP_ICONST);
2257 sig_arg->dreg = mono_alloc_ireg (cfg);
2258 sig_arg->inst_p0 = tmpSig;
2259 MONO_ADD_INS (cfg->cbb, sig_arg);
2261 MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG, STK_BASE,
2262 cinfo->sigCookie.offset, sig_arg->dreg);
2265 /*------------------------------------------------------------------*/
2267 /* Name - mono_arch_emit_call */
2269 /*------------------------------------------------------------------*/
2272 mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
2275 MonoMethodSignature *sig;
2277 int i, n, lParamArea;
2279 ArgInfo *ainfo = NULL;
2282 sig = call->signature;
2283 n = sig->param_count + sig->hasthis;
2284 DEBUG (g_print ("Call requires: %d parameters\n",n));
2286 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
2288 stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
2289 call->stack_usage = MAX(stackSize, call->stack_usage);
2290 lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
2291 cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
2292 cfg->flags |= MONO_CFG_HAS_CALLS;
2294 if (cinfo->struct_ret) {
2295 MONO_INST_NEW (cfg, ins, OP_MOVE);
2296 ins->sreg1 = call->vret_var->dreg;
2297 ins->dreg = mono_alloc_preg (cfg);
2298 MONO_ADD_INS (cfg->cbb, ins);
2299 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, cinfo->ret.reg, FALSE);
2302 for (i = 0; i < n; ++i) {
2303 ainfo = cinfo->args + i;
2306 if (i >= sig->hasthis)
2307 t = sig->params [i - sig->hasthis];
2309 t = &mono_defaults.int_class->byval_arg;
2310 t = mono_type_get_underlying_type (t);
2312 in = call->args [i];
2314 if ((sig->call_convention == MONO_CALL_VARARG) &&
2315 (i == sig->sentinelpos)) {
2316 emit_sig_cookie2 (cfg, call, cinfo);
2319 switch (ainfo->regtype) {
2320 case RegTypeGeneral:
2321 if (!t->byref && (t->type == MONO_TYPE_I8 || t->type == MONO_TYPE_U8)) {
2322 MONO_INST_NEW (cfg, ins, OP_MOVE);
2323 ins->dreg = mono_alloc_ireg (cfg);
2324 ins->sreg1 = in->dreg + 2;
2325 MONO_ADD_INS (cfg->cbb, ins);
2326 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, ainfo->reg, FALSE);
2327 MONO_INST_NEW (cfg, ins, OP_MOVE);
2328 ins->dreg = mono_alloc_ireg (cfg);
2329 ins->sreg1 = in->dreg + 1;
2330 MONO_ADD_INS (cfg->cbb, ins);
2331 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, ainfo->reg + 1, FALSE);
2333 add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
2337 if (MONO_TYPE_ISSTRUCT (t)) {
2338 /* Valuetype passed in one fp register */
2339 ainfo->regtype = RegTypeStructByValInFP;
2342 if (ainfo->size == 4)
2343 ainfo->regtype = RegTypeFPR4;
2344 add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
2347 case RegTypeStructByVal:
2348 case RegTypeStructByAddr: {
2352 if (sig->params [i - sig->hasthis]->type == MONO_TYPE_TYPEDBYREF) {
2353 size = sizeof (MonoTypedRef);
2354 align = sizeof (gpointer);
2358 size = mono_type_native_stack_size (&in->klass->byval_arg, &align);
2361 * Other backends use mono_type_stack_size (), but that
2362 * aligns the size to 8, which is larger than the size of
2363 * the source, leading to reads of invalid memory if the
2364 * source is at the end of address space.
2366 size = mono_class_value_size (in->klass, &align);
2369 g_assert (in->klass);
2371 ainfo->offparm += cinfo->sz.offStruct;
2373 MONO_INST_NEW (cfg, ins, OP_OUTARG_VT);
2374 ins->sreg1 = in->dreg;
2375 ins->klass = in->klass;
2376 ins->backend.size = ainfo->size;
2377 ins->inst_p0 = call;
2378 ins->inst_p1 = mono_mempool_alloc (cfg->mempool, sizeof (ArgInfo));
2379 memcpy (ins->inst_p1, ainfo, sizeof (ArgInfo));
2381 MONO_ADD_INS (cfg->cbb, ins);
2383 if (ainfo->regtype == RegTypeStructByAddr) {
2385 * We use OP_OUTARG_VT to copy the valuetype to a stack location, then
2386 * use the normal OUTARG opcodes to pass the address of the location to
2389 int treg = mono_alloc_preg (cfg);
2390 MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
2391 STK_BASE, ainfo->offparm);
2392 if (ainfo->reg == STK_BASE) {
2393 /* The address is passed on the stack */
2394 MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
2395 ins->inst_destbasereg = STK_BASE;
2396 ins->inst_offset = ainfo->offset;
2398 MONO_ADD_INS (cfg->cbb, ins);
2400 mono_call_inst_add_outarg_reg (cfg, call, treg, ainfo->reg, FALSE);
2406 if (!t->byref && t->type == MONO_TYPE_R4) {
2407 MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER4_MEMBASE_REG,
2408 STK_BASE, ainfo->offset,
2410 } else if (!t->byref && (t->type == MONO_TYPE_R8)) {
2411 MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG,
2412 STK_BASE, ainfo->offset,
2414 } else if (!t->byref && (t->type == MONO_TYPE_I8 || t->type == MONO_TYPE_U8)) {
2415 MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
2416 ins->inst_destbasereg = STK_BASE;
2417 ins->inst_offset = ainfo->offset + MINI_LS_WORD_OFFSET;
2418 ins->sreg1 = in->dreg + 1;
2419 MONO_ADD_INS (cfg->cbb, ins);
2421 MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
2422 ins->inst_destbasereg = STK_BASE;
2423 ins->inst_offset = ainfo->offset + MINI_MS_WORD_OFFSET;
2424 ins->sreg1 = in->dreg + 2;
2425 MONO_ADD_INS (cfg->cbb, ins);
2427 MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
2428 ins->inst_destbasereg = STK_BASE;
2429 ins->inst_offset = ainfo->offset;
2430 ins->sreg1 = in->dreg;
2431 MONO_ADD_INS (cfg->cbb, ins);
2435 g_assert_not_reached ();
2441 * Handle the case where there are no implicit arguments
2443 if ((sig->call_convention == MONO_CALL_VARARG) &&
2444 (i == sig->sentinelpos)) {
2445 emit_sig_cookie2 (cfg, call, cinfo);
2449 /*========================= End of Function ========================*/
2451 /*------------------------------------------------------------------*/
2453 /* Name - mono_arch_emit_outarg_vt */
2455 /*------------------------------------------------------------------*/
2458 mono_arch_emit_outarg_vt (MonoCompile *cfg, MonoInst *ins, MonoInst *src)
2460 MonoCallInst *call = (MonoCallInst*)ins->inst_p0;
2461 ArgInfo *ainfo = (ArgInfo*)ins->inst_p1;
2462 int size = ins->backend.size;
2464 if (ainfo->regtype == RegTypeStructByVal) {
2466 arg->ins.sreg1 = ainfo->reg;
2467 arg->ins.opcode = OP_OUTARG_VT;
2468 arg->size = ainfo->size;
2469 arg->offset = ainfo->offset;
2470 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
2472 if (ainfo->reg != STK_BASE) {
2473 MONO_OUTPUT_VTR2 (cfg, size, ainfo->reg, src->dreg, 0);
2475 MONO_OUTPUT_VTS2 (cfg, size, ainfo->reg, ainfo->offset,
2478 } else if (ainfo->regtype == RegTypeStructByValInFP) {
2479 int dreg = mono_alloc_freg (cfg);
2481 if (ainfo->size == 4) {
2482 MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR4_MEMBASE, dreg, src->dreg, 0);
2483 MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, dreg, dreg);
2485 g_assert (ainfo->size == 8);
2487 MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR8_MEMBASE, dreg, src->dreg, 0);
2490 mono_call_inst_add_outarg_reg (cfg, call, dreg, ainfo->reg, TRUE);
2492 MONO_EMIT_NEW_MOVE2 (cfg, STK_BASE, ainfo->offparm,
2493 src->dreg, 0, size);
2497 /*------------------------------------------------------------------*/
2499 /* Name - mono_arch_emit_setret */
2501 /*------------------------------------------------------------------*/
2504 mono_arch_emit_setret (MonoCompile *cfg, MonoMethod *method, MonoInst *val)
2506 MonoType *ret = mono_type_get_underlying_type (mono_method_signature (method)->ret);
2509 if (ret->type == MONO_TYPE_R4) {
2510 MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, s390_f0, val->dreg);
2512 } else if (ret->type == MONO_TYPE_R8) {
2513 MONO_EMIT_NEW_UNALU (cfg, OP_FMOVE, s390_f0, val->dreg);
2515 } else if (ret->type == MONO_TYPE_I8 || ret->type == MONO_TYPE_U8) {
2516 MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r3, val->dreg + 1);
2517 MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r2, val->dreg + 2);
2522 MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, cfg->ret->dreg, val->dreg);
2525 /*========================= End of Function ========================*/
2527 /*------------------------------------------------------------------*/
2529 /* Name - emit_sig_cookie. */
2531 /* Function - For variable length parameter lists construct a */
2532 /* signature cookie and emit it. */
2534 /*------------------------------------------------------------------*/
2537 emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call,
2538 CallInfo *cinfo, int argSize)
2540 MonoCallArgParm *arg;
2541 MonoMethodSignature *tmpSig;
2544 cfg->disable_aot = TRUE;
2546 /*----------------------------------------------------------*/
2547 /* mono_ArgIterator_Setup assumes the signature cookie is */
2548 /* passed first and all the arguments which were before it */
2549 /* passed on the stack after the signature. So compensate */
2550 /* by passing a different signature. */
2551 /*----------------------------------------------------------*/
2552 tmpSig = mono_metadata_signature_dup (call->signature);
2553 tmpSig->param_count -= call->signature->sentinelpos;
2554 tmpSig->sentinelpos = 0;
2555 if (tmpSig->param_count > 0)
2556 memcpy (tmpSig->params,
2557 call->signature->params + call->signature->sentinelpos,
2558 tmpSig->param_count * sizeof(MonoType *));
2560 MONO_INST_NEW (cfg, sigArg, OP_ICONST);
2561 sigArg->inst_p0 = tmpSig;
2563 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG_MEMBASE);
2564 arg->ins.inst_left = sigArg;
2565 arg->ins.inst_right = (MonoInst *) call;
2566 arg->size = argSize;
2567 arg->offset = cinfo->sigCookie.offset;
2568 arg->ins.next = call->out_args;
2569 call->out_args = (MonoInst *) arg;
2572 /*========================= End of Function ========================*/
2574 /*------------------------------------------------------------------*/
2576 /* Name - mono_arch_instrument_mem_needs */
2578 /* Function - Allow tracing to work with this interface (with */
2579 /* an optional argument). */
2581 /*------------------------------------------------------------------*/
2584 mono_arch_instrument_mem_needs (MonoMethod *method, int *stack, int *code)
2586 /* no stack room needed now (may be needed for FASTCALL-trace support) */
2588 /* split prolog-epilog requirements? */
2589 *code = 50; /* max bytes needed: check this number */
2592 /*========================= End of Function ========================*/
2594 /*------------------------------------------------------------------*/
2596 /* Name - mono_arch_instrument_prolog */
2598 /* Function - Create an "instrumented" prolog. */
2600 /*------------------------------------------------------------------*/
2603 mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
2604 gboolean enable_arguments)
2611 parmOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2612 if (cfg->method->save_lmf)
2613 parmOffset -= sizeof(MonoLMF);
2614 fpOffset = parmOffset + (5*sizeof(gint32));
2615 if (fpOffset > 4096) {
2616 s390_lr (code, s390_r12, STK_BASE);
2618 while (fpOffset > 4096) {
2619 s390_ahi (code, baseReg, 4096);
2627 s390_stm (code, s390_r2, s390_r6, baseReg, parmOffset);
2628 s390_std (code, s390_f0, 0, baseReg, fpOffset);
2629 s390_std (code, s390_f1, 0, baseReg, fpOffset+sizeof(gdouble));
2630 s390_std (code, s390_f2, 0, baseReg, fpOffset+2*sizeof(gdouble));
2631 s390_basr (code, s390_r13, 0);
2633 s390_word (code, cfg->method);
2634 s390_word (code, func);
2635 s390_l (code, s390_r2, 0, s390_r13, 4);
2636 s390_la (code, s390_r3, 0, baseReg, parmOffset);
2637 s390_lr (code, s390_r4, STK_BASE);
2638 s390_ahi (code, s390_r4, cfg->stack_usage);
2639 s390_l (code, s390_r1, 0, s390_r13, 8);
2640 s390_basr (code, s390_r14, s390_r1);
2641 s390_ld (code, s390_f2, 0, baseReg, fpOffset+2*sizeof(gdouble));
2642 s390_ld (code, s390_f1, 0, baseReg, fpOffset+sizeof(gdouble));
2643 s390_ld (code, s390_f0, 0, baseReg, fpOffset);
2644 s390_lm (code, s390_r2, s390_r6, baseReg, parmOffset);
2649 /*========================= End of Function ========================*/
2651 /*------------------------------------------------------------------*/
2653 /* Name - mono_arch_instrument_epilog */
2655 /* Function - Create an epilog that will handle the returned */
2656 /* values used in instrumentation. */
2658 /*------------------------------------------------------------------*/
2661 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
2664 int save_mode = SAVE_NONE,
2666 MonoMethod *method = cfg->method;
2667 int rtype = mono_type_get_underlying_type (mono_method_signature (method)->ret)->type;
2669 saveOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2670 if (method->save_lmf)
2671 saveOffset -= sizeof(MonoLMF);
2675 case MONO_TYPE_VOID:
2676 /* special case string .ctor icall */
2677 if (strcmp (".ctor", method->name) && method->klass == mono_defaults.string_class)
2678 save_mode = SAVE_ONE;
2680 save_mode = SAVE_NONE;
2684 save_mode = SAVE_TWO;
2687 save_mode = SAVE_R4;
2690 save_mode = SAVE_R8;
2692 case MONO_TYPE_VALUETYPE:
2693 if (mono_method_signature (method)->ret->data.klass->enumtype) {
2694 rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
2697 save_mode = SAVE_STRUCT;
2700 save_mode = SAVE_ONE;
2704 switch (save_mode) {
2706 s390_stm (code, s390_r2, s390_r3, cfg->frame_reg, saveOffset);
2707 if (enable_arguments) {
2708 s390_lr (code, s390_r4, s390_r3);
2709 s390_lr (code, s390_r3, s390_r2);
2713 s390_st (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2714 if (enable_arguments) {
2715 s390_lr (code, s390_r3, s390_r2);
2719 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2720 if (enable_arguments) {
2721 s390_ldebr (code, s390_f0, s390_f0);
2725 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2728 s390_st (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2729 if (enable_arguments) {
2730 s390_l (code, s390_r3, 0, cfg->frame_reg,
2731 S390_MINIMAL_STACK_SIZE+cfg->param_area);
2739 s390_basr (code, s390_r13, 0);
2741 s390_word (code, cfg->method);
2742 s390_word (code, func);
2743 s390_l (code, s390_r2, 0, s390_r13, 4);
2744 s390_l (code, s390_r1, 0, s390_r13, 8);
2745 s390_basr (code, s390_r14, s390_r1);
2747 switch (save_mode) {
2749 s390_lm (code, s390_r2, s390_r3, cfg->frame_reg, saveOffset);
2752 s390_l (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2756 s390_ld (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2759 s390_l (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2769 /*========================= End of Function ========================*/
2772 mono_arch_peephole_pass_1 (MonoCompile *cfg, MonoBasicBlock *bb)
2776 /*------------------------------------------------------------------*/
2778 /* Name - mono_arch_peephole_pass */
2780 /* Function - Form a peephole pass at the code looking for */
2781 /* simple optimizations. */
2783 /*------------------------------------------------------------------*/
2786 mono_arch_peephole_pass_2 (MonoCompile *cfg, MonoBasicBlock *bb)
2790 MONO_BB_FOR_EACH_INS_SAFE (bb, n, ins) {
2791 mono_peephole_ins (bb, ins);
2795 /*========================= End of Function ========================*/
2798 mono_arch_lowering_pass (MonoCompile *cfg, MonoBasicBlock *bb)
2800 MonoInst *ins, *next;
2802 if (bb->max_vreg > cfg->rs->next_vreg)
2803 cfg->rs->next_vreg = bb->max_vreg;
2805 MONO_BB_FOR_EACH_INS_SAFE (bb, next, ins) {
2806 switch (ins->opcode) {
2811 case OP_IDIV_UN_IMM:
2812 case OP_IREM_UN_IMM:
2813 case OP_LOCALLOC_IMM:
2814 mono_decompose_op_imm (cfg, bb, ins);
2822 /*========================= End of Function ========================*/
2824 /*------------------------------------------------------------------*/
2826 /* Name - emit_float_to_int */
2828 /* Function - Create instructions which will convert a floating */
2829 /* point value to integer. */
2831 /*------------------------------------------------------------------*/
2834 emit_float_to_int (MonoCompile *cfg, guchar *code, int dreg, int sreg, int size, gboolean is_signed)
2836 /* sreg is a float, dreg is an integer reg. */
2838 s390_cfdbr (code, dreg, 5, sreg);
2841 s390_lhi (code, s390_r0, 0);
2842 s390_lhi (code, s390_r13, 0xff);
2843 s390_ltr (code, dreg, dreg);
2845 s390_lhi (code, s390_r0, 0x80);
2846 s390_nr (code, dreg, s390_r13);
2847 s390_or (code, dreg, s390_r0);
2852 s390_basr (code, s390_r13, 0);
2854 s390_llong (code, 0x41e0000000000000LL);
2855 s390_llong (code, 0x41f0000000000000LL);
2856 s390_ldr (code, s390_f15, sreg);
2857 s390_cdb (code, s390_f15, 0, s390_r13, 4);
2858 s390_jl (code, 0); CODEPTR(code, o[0]);
2859 s390_sdb (code, s390_f15, 0, s390_r13, 12);
2860 s390_cfdbr (code, dreg, 7, s390_f15);
2862 PTRSLOT(code, o[0]);
2863 s390_cfdbr (code, dreg, 5, sreg);
2866 s390_lhi (code, s390_r0, 0xff);
2867 s390_nr (code, dreg, s390_r0);
2870 s390_lhi (code, s390_r0, -1);
2871 s390_srl (code, s390_r0, 0, 16);
2872 s390_nr (code, dreg, s390_r0);
2879 /*========================= End of Function ========================*/
2881 /*------------------------------------------------------------------*/
2883 /* Name - mono_arch_output_basic_block */
2885 /* Function - Perform the "real" work of emitting instructions */
2886 /* that will do the work of in the basic block. */
2888 /*------------------------------------------------------------------*/
2891 mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
2896 guint8 *code = cfg->native_code + cfg->code_len;
2897 MonoInst *last_ins = NULL;
2898 guint last_offset = 0;
2899 int max_len, cpos, src2;
2901 /* we don't align basic blocks of loops on s390 */
2903 if (cfg->verbose_level > 2)
2904 g_print ("Basic block %d starting at offset 0x%x\n", bb->block_num, bb->native_offset);
2906 cpos = bb->max_offset;
2908 if (cfg->prof_options & MONO_PROFILE_COVERAGE) {
2909 //MonoCoverageInfo *cov = mono_get_coverage_info (cfg->method);
2910 //g_assert (!mono_compile_aot);
2913 // cov->data [bb->dfn].iloffset = bb->cil_code - cfg->cil_code;
2914 /* this is not thread save, but good enough */
2915 /* fixme: howto handle overflows? */
2916 //x86_inc_mem (code, &cov->data [bb->dfn].count);
2919 MONO_BB_FOR_EACH_INS (bb, ins) {
2920 offset = code - cfg->native_code;
2922 max_len = ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
2924 if (offset > (cfg->code_size - max_len - 16)) {
2925 cfg->code_size *= 2;
2926 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
2927 code = cfg->native_code + offset;
2930 mono_debug_record_line_number (cfg, ins, offset);
2932 switch (ins->opcode) {
2933 case OP_STOREI1_MEMBASE_IMM: {
2934 s390_lhi (code, s390_r0, ins->inst_imm);
2935 if (s390_is_uimm12(ins->inst_offset))
2936 s390_stc (code, s390_r0, 0, ins->inst_destbasereg, ins->inst_offset);
2938 s390_basr (code, s390_r13, 0);
2940 s390_word (code, ins->inst_offset);
2941 s390_l (code, s390_r13, 0, s390_r13, 4);
2942 s390_stc (code, s390_r0, s390_r13, ins->inst_destbasereg, 0);
2946 case OP_STOREI2_MEMBASE_IMM: {
2947 s390_lhi (code, s390_r0, ins->inst_imm);
2948 if (s390_is_uimm12(ins->inst_offset)) {
2949 s390_sth (code, s390_r0, 0, ins->inst_destbasereg, ins->inst_offset);
2951 s390_basr (code, s390_r13, 0);
2953 s390_word (code, ins->inst_offset);
2954 s390_l (code, s390_r13, 0, s390_r13, 4);
2955 s390_sth (code, s390_r0, s390_r13, ins->inst_destbasereg, 0);
2959 case OP_STORE_MEMBASE_IMM:
2960 case OP_STOREI4_MEMBASE_IMM: {
2961 if (s390_is_imm16(ins->inst_imm)) {
2962 s390_lhi (code, s390_r0, ins->inst_imm);
2964 s390_basr (code, s390_r13, 0);
2966 s390_word (code, ins->inst_imm);
2967 s390_l (code, s390_r0, 0, s390_r13, 4);
2969 if (s390_is_uimm12(ins->inst_offset)) {
2970 s390_st (code, s390_r0, 0, ins->inst_destbasereg, ins->inst_offset);
2972 s390_basr (code, s390_r13, 0);
2974 s390_word (code, ins->inst_offset);
2975 s390_l (code, s390_r13, 0, s390_r13, 4);
2976 s390_st (code, s390_r0, s390_r13, ins->inst_destbasereg, 0);
2980 case OP_STOREI1_MEMBASE_REG: {
2981 if (s390_is_uimm12(ins->inst_offset)) {
2982 s390_stc (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
2984 s390_basr (code, s390_r13, 0);
2986 s390_word (code, ins->inst_offset);
2987 s390_l (code, s390_r13, 0, s390_r13, 4);
2988 s390_stc (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
2992 case OP_STOREI2_MEMBASE_REG: {
2993 if (s390_is_uimm12(ins->inst_offset)) {
2994 s390_sth (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
2996 s390_basr (code, s390_r13, 0);
2998 s390_word (code, ins->inst_offset);
2999 s390_l (code, s390_r13, 0, s390_r13, 4);
3000 s390_sth (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
3004 case OP_STORE_MEMBASE_REG:
3005 case OP_STOREI4_MEMBASE_REG: {
3006 if (s390_is_uimm12(ins->inst_offset)) {
3007 s390_st (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
3009 s390_basr (code, s390_r13, 0);
3011 s390_word (code, ins->inst_offset);
3012 s390_l (code, s390_r13, 0, s390_r13, 4);
3013 s390_st (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
3018 g_assert_not_reached ();
3020 case OP_LOAD_MEMBASE:
3021 case OP_LOADI4_MEMBASE:
3022 case OP_LOADU4_MEMBASE: {
3023 if (s390_is_uimm12(ins->inst_offset))
3024 s390_l (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
3026 if (s390_is_imm16(ins->inst_offset)) {
3027 s390_lhi (code, s390_r13, ins->inst_offset);
3028 s390_l (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
3030 s390_basr (code, s390_r13, 0);
3032 s390_word (code, ins->inst_offset);
3033 s390_l (code, s390_r13, 0, s390_r13, 4);
3034 s390_l (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
3039 case OP_LOADU1_MEMBASE: {
3040 s390_lhi (code, s390_r0, 0);
3041 if (s390_is_uimm12(ins->inst_offset))
3042 s390_ic (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
3044 s390_basr (code, s390_r13, 0);
3046 s390_word (code, ins->inst_offset);
3047 s390_l (code, s390_r13, 0, s390_r13, 4);
3048 s390_ic (code, s390_r0, s390_r13, ins->inst_basereg, 0);
3050 s390_lr (code, ins->dreg, s390_r0);
3053 case OP_LOADI1_MEMBASE: {
3054 s390_lhi (code, s390_r0, 0);
3055 if (s390_is_uimm12(ins->inst_offset))
3056 s390_ic (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
3058 s390_basr (code, s390_r13, 0);
3060 s390_word (code, ins->inst_offset);
3061 s390_l (code, s390_r13, 0, s390_r13, 4);
3062 s390_ic (code, s390_r0, s390_r13, ins->inst_basereg, 0);
3064 s390_lhi (code, s390_r13, 0x80);
3065 s390_nr (code, s390_r13, s390_r0);
3067 s390_lhi (code, s390_r13, 0xff00);
3068 s390_or (code, s390_r0, s390_r13);
3069 s390_lr (code, ins->dreg, s390_r0);
3072 case OP_LOADU2_MEMBASE: {
3073 s390_lhi (code, s390_r0, 0);
3074 if (s390_is_uimm12(ins->inst_offset))
3075 s390_icm (code, s390_r0, 3, ins->inst_basereg, ins->inst_offset);
3077 s390_basr (code, s390_r13, 0);
3079 s390_word (code, ins->inst_offset);
3080 s390_l (code, s390_r13, 0, s390_r13, 4);
3081 s390_ar (code, s390_r13, ins->inst_basereg);
3082 s390_icm (code, s390_r0, 3, s390_r13, 0);
3084 s390_lr (code, ins->dreg, s390_r0);
3087 case OP_LOADI2_MEMBASE: {
3088 s390_lhi (code, s390_r0, 0);
3089 if (s390_is_uimm12(ins->inst_offset))
3090 s390_lh (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
3092 s390_basr (code, s390_r13, 0);
3094 s390_word (code, ins->inst_offset);
3095 s390_l (code, s390_r13, 0, s390_r13, 4);
3096 s390_lh (code, s390_r0, s390_r13, ins->inst_basereg, 0);
3098 s390_lr (code, ins->dreg, s390_r0);
3102 case OP_ICONV_TO_I1: {
3103 if (ins->dreg != ins->sreg1)
3104 s390_lr (code, ins->dreg, ins->sreg1);
3105 s390_sll (code, ins->dreg, 0, 24);
3106 s390_sra (code, ins->dreg, 0, 24);
3109 case OP_ICONV_TO_I2: {
3110 if (ins->dreg != ins->sreg1)
3111 s390_lr (code, ins->dreg, ins->sreg1);
3112 s390_sll (code, ins->dreg, 0, 16);
3113 s390_sra (code, ins->dreg, 0, 16);
3116 case OP_ICONV_TO_U1: {
3117 s390_lhi (code, s390_r0, 0xff);
3118 if (ins->dreg != ins->sreg1) {
3119 s390_lr (code, ins->dreg, ins->sreg1);
3121 s390_nr (code, ins->dreg, s390_r0);
3124 case OP_ICONV_TO_U2: {
3125 s390_lhi (code, s390_r0, -1);
3126 s390_sll (code, s390_r0, 0, 16);
3127 s390_srl (code, s390_r0, 0, 16);
3128 if (ins->dreg != ins->sreg1) {
3129 s390_lr (code, ins->dreg, ins->sreg1);
3131 s390_nr (code, ins->dreg, s390_r0);
3136 gboolean un = FALSE;
3137 MonoInst *next = ins->next;
3140 (((next->opcode >= OP_IBNE_UN) &&
3141 (next->opcode <= OP_IBLT_UN)) ||
3142 ((next->opcode >= OP_COND_EXC_NE_UN) &&
3143 (next->opcode <= OP_COND_EXC_LT_UN)) ||
3144 ((next->opcode >= OP_COND_EXC_INE_UN) &&
3145 (next->opcode <= OP_COND_EXC_ILT_UN)) ||
3146 ((next->opcode == OP_CLT_UN) ||
3147 (next->opcode == OP_CGT_UN)) ||
3148 ((next->opcode == OP_ICLT_UN) ||
3149 (next->opcode == OP_ICGT_UN))))
3153 s390_clr (code, ins->sreg1, ins->sreg2);
3155 s390_cr (code, ins->sreg1, ins->sreg2);
3158 case OP_COMPARE_IMM:
3159 case OP_ICOMPARE_IMM: {
3160 gboolean un = FALSE;
3161 MonoInst *next = ins->next;
3164 (((next->opcode >= OP_IBNE_UN) &&
3165 (next->opcode <= OP_IBLT_UN)) ||
3166 ((next->opcode >= OP_COND_EXC_NE_UN) &&
3167 (next->opcode <= OP_COND_EXC_LT_UN)) ||
3168 ((next->opcode >= OP_COND_EXC_INE_UN) &&
3169 (next->opcode <= OP_COND_EXC_ILT_UN)) ||
3170 ((next->opcode == OP_CLT_UN) ||
3171 (next->opcode == OP_CGT_UN)) ||
3172 ((next->opcode == OP_ICLT_UN) ||
3173 (next->opcode == OP_ICGT_UN))))
3176 if (s390_is_imm16 (ins->inst_imm)) {
3177 s390_lhi (code, s390_r0, ins->inst_imm);
3179 s390_clr (code, ins->sreg1, s390_r0);
3181 s390_cr (code, ins->sreg1, s390_r0);
3184 s390_basr (code, s390_r13, 0);
3186 s390_word (code, ins->inst_imm);
3188 s390_cl (code, ins->sreg1, 0, s390_r13, 4);
3190 s390_c (code, ins->sreg1, 0, s390_r13, 4);
3195 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, mono_break);
3196 s390_brasl (code, s390_r14, 0);
3202 s390_alr (code, ins->dreg, src2);
3207 s390_ar (code, ins->dreg, src2);
3213 s390_alcr (code, ins->dreg, src2);
3218 if (ins->dreg != ins->sreg1) {
3219 s390_lr (code, ins->dreg, ins->sreg1);
3222 (ins->next->opcode == OP_ADC_IMM)) {
3223 s390_basr (code, s390_r13, 0);
3225 s390_word (code, ins->inst_imm);
3226 s390_a (code, ins->dreg, 0, s390_r13, 4);
3228 if (s390_is_imm16 (ins->inst_imm)) {
3229 s390_ahi (code, ins->dreg, ins->inst_imm);
3231 s390_basr (code, s390_r13, 0);
3233 s390_word (code, ins->inst_imm);
3234 s390_a (code, ins->dreg, 0, s390_r13, 4);
3239 case OP_ADDCC_IMM: {
3241 (ins->next->opcode == OP_ADC_IMM)) {
3242 s390_basr (code, s390_r13, 0);
3244 s390_word (code, ins->inst_imm);
3245 if (ins->dreg != ins->sreg1) {
3246 s390_lr (code, ins->dreg, ins->sreg1);
3248 s390_al (code, ins->dreg, 0, s390_r13, 4);
3250 if (s390_is_imm16 (ins->inst_imm)) {
3251 if (ins->dreg != ins->sreg1) {
3252 s390_lr (code, ins->dreg, ins->sreg1);
3254 s390_lhi (code, s390_r0, ins->inst_imm);
3255 s390_alcr (code, ins->dreg, s390_r0);
3257 s390_basr (code, s390_r13, 0);
3259 s390_word (code, ins->inst_imm);
3260 if (ins->dreg != ins->sreg1) {
3261 s390_lr (code, ins->dreg, ins->sreg1);
3263 s390_al (code, ins->dreg, 0, s390_r13, 4);
3269 if (s390_is_imm16 (ins->inst_imm)) {
3270 if (ins->dreg != ins->sreg1) {
3271 s390_lr (code, ins->dreg, ins->sreg1);
3273 s390_lhi (code, s390_r0, ins->inst_imm);
3274 s390_alcr (code, ins->dreg, s390_r0);
3276 s390_basr (code, s390_r13, 0);
3278 s390_word (code, ins->inst_imm);
3279 s390_l (code, s390_r13, 0, s390_r13, 4);
3280 s390_alcr (code, ins->dreg, s390_r13);
3285 case OP_S390_IADD_OVF: {
3287 s390_ar (code, ins->dreg, src2);
3288 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3291 case OP_IADD_OVF_UN:
3292 case OP_S390_IADD_OVF_UN: {
3294 s390_alr (code, ins->dreg, src2);
3295 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3299 case OP_S390_LADD: {
3300 s390_alr (code, s390_r0, ins->sreg1);
3302 s390_ahi (code, s390_r1, 1);
3303 s390_ar (code, s390_r1, ins->sreg2);
3304 s390_lr (code, ins->dreg, s390_r0);
3305 s390_lr (code, ins->dreg+1, s390_r1);
3309 case OP_S390_LADD_OVF: {
3311 s390_alr (code, s390_r0, ins->sreg1);
3312 s390_jnc (code, 0); CODEPTR(code, o[0]);
3313 s390_ahi (code, s390_r1, 1);
3314 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3315 PTRSLOT (code, o[0]);
3316 s390_ar (code, s390_r1, ins->sreg2);
3317 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3318 s390_lr (code, ins->dreg, s390_r0);
3319 s390_lr (code, ins->dreg+1, s390_r1);
3322 case OP_LADD_OVF_UN:
3323 case OP_S390_LADD_OVF_UN: {
3324 s390_alr (code, s390_r0, ins->sreg1);
3325 s390_alcr (code, s390_r1, ins->sreg2);
3326 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3327 s390_lr (code, ins->dreg, s390_r0);
3328 s390_lr (code, ins->dreg+1, s390_r1);
3331 case OP_ADD_OVF_CARRY: {
3333 s390_lhi (code, s390_r0, 0);
3334 s390_lr (code, s390_r1, s390_r0);
3335 s390_alcr (code, s390_r0, s390_r1);
3336 s390_ar (code, ins->dreg, src2);
3337 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3338 s390_ar (code, ins->dreg, s390_r0);
3339 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3342 case OP_ADD_OVF_UN_CARRY: {
3344 s390_alcr (code, ins->dreg, src2);
3345 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3351 s390_slr (code, ins->dreg, src2);
3356 s390_sr (code, ins->dreg, src2);
3362 s390_slbr (code, ins->dreg, src2);
3365 case OP_SUBCC_IMM: {
3366 if (s390_is_imm16 (-ins->inst_imm)) {
3367 if (ins->dreg != ins->sreg1) {
3368 s390_lr (code, ins->dreg, ins->sreg1);
3370 s390_lhi (code, s390_r0, ins->inst_imm);
3371 s390_slr (code, ins->dreg, s390_r0);
3373 s390_basr (code, s390_r13, 0);
3375 s390_word (code, ins->inst_imm);
3376 if (ins->dreg != ins->sreg1) {
3377 s390_lr (code, ins->dreg, ins->sreg1);
3379 s390_sl (code, ins->dreg, 0, s390_r13, 4);
3385 if (s390_is_imm16 (-ins->inst_imm)) {
3386 if (ins->dreg != ins->sreg1) {
3387 s390_lr (code, ins->dreg, ins->sreg1);
3389 s390_ahi (code, ins->dreg, -ins->inst_imm);
3391 s390_basr (code, s390_r13, 0);
3393 s390_word (code, ins->inst_imm);
3394 if (ins->dreg != ins->sreg1) {
3395 s390_lr (code, ins->dreg, ins->sreg1);
3397 s390_s (code, ins->dreg, 0, s390_r13, 4);
3402 if (ins->dreg != ins->sreg1) {
3403 s390_lr (code, ins->dreg, ins->sreg1);
3405 if (s390_is_imm16 (-ins->inst_imm)) {
3406 s390_lhi (code, s390_r0, ins->inst_imm);
3407 s390_slbr (code, ins->dreg, s390_r0);
3409 s390_basr (code, s390_r13, 0);
3411 s390_word (code, ins->inst_imm);
3412 s390_slb (code, ins->dreg, 0, s390_r13, 4);
3417 case OP_S390_ISUB_OVF: {
3419 s390_sr (code, ins->dreg, src2);
3420 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3423 case OP_ISUB_OVF_UN:
3424 case OP_S390_ISUB_OVF_UN: {
3426 s390_slr (code, ins->dreg, src2);
3427 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
3431 case OP_S390_LSUB: {
3432 s390_lr (code, s390_r14, ins->sreg2);
3433 s390_slr (code, s390_r0, ins->sreg1);
3435 s390_ahi (code, s390_r14, 1);
3436 s390_sr (code, s390_r1, s390_r14);
3437 s390_lr (code, ins->dreg, s390_r0);
3438 s390_lr (code, ins->dreg+1, s390_r1);
3442 case OP_S390_LSUB_OVF: {
3444 s390_lr (code, s390_r14, ins->sreg2);
3445 s390_slr (code, s390_r0, ins->sreg1);
3446 s390_jnl (code, 0); CODEPTR(code, o[0]);
3447 s390_ahi (code, s390_r14, 1);
3448 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3449 PTRSLOT (code, o[0]);
3450 s390_sr (code, s390_r1, s390_r14);
3451 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3452 s390_lr (code, ins->dreg, s390_r0);
3453 s390_lr (code, ins->dreg+1, s390_r1);
3456 case OP_LSUB_OVF_UN:
3457 case OP_S390_LSUB_OVF_UN: {
3458 s390_slr (code, s390_r0, ins->sreg1);
3459 s390_slbr (code, s390_r1, ins->sreg2);
3460 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
3461 s390_lr (code, ins->dreg, s390_r0);
3462 s390_lr (code, ins->dreg+1, s390_r1);
3465 case OP_SUB_OVF_CARRY: {
3467 s390_lhi (code, s390_r0, 0);
3468 s390_lr (code, s390_r1, s390_r0);
3469 s390_slbr (code, s390_r0, s390_r1);
3470 s390_sr (code, ins->dreg, src2);
3471 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3472 s390_ar (code, ins->dreg, s390_r0);
3473 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3476 case OP_SUB_OVF_UN_CARRY: {
3478 s390_slbr (code, ins->dreg, src2);
3479 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
3483 if (ins->sreg1 == ins->dreg) {
3484 s390_nr (code, ins->dreg, ins->sreg2);
3487 if (ins->sreg2 == ins->dreg) {
3488 s390_nr (code, ins->dreg, ins->sreg1);
3491 s390_lr (code, ins->dreg, ins->sreg1);
3492 s390_nr (code, ins->dreg, ins->sreg2);
3499 if (s390_is_imm16 (ins->inst_imm)) {
3500 s390_lhi (code, s390_r0, ins->inst_imm);
3501 if (ins->dreg != ins->sreg1) {
3502 s390_lr (code, ins->dreg, ins->sreg1);
3504 s390_nr (code, ins->dreg, s390_r0);
3506 s390_basr (code, s390_r13, 0);
3508 s390_word (code, ins->inst_imm);
3509 if (ins->dreg != ins->sreg1) {
3510 s390_lr (code, ins->dreg, ins->sreg1);
3512 s390_n (code, ins->dreg, 0, s390_r13, 4);
3517 s390_lr (code, s390_r0, ins->sreg1);
3518 s390_srda (code, s390_r0, 0, 32);
3519 s390_dr (code, s390_r0, ins->sreg2);
3520 s390_lr (code, ins->dreg, s390_r1);
3524 s390_lr (code, s390_r0, ins->sreg1);
3525 s390_srdl (code, s390_r0, 0, 32);
3526 s390_dlr (code, s390_r0, ins->sreg2);
3527 s390_lr (code, ins->dreg, s390_r1);
3531 s390_lr (code, s390_r0, ins->sreg1);
3532 s390_srda (code, s390_r0, 0, 32);
3533 s390_dr (code, s390_r0, ins->sreg2);
3534 s390_lr (code, ins->dreg, s390_r0);
3537 s390_lr (code, s390_r0, ins->sreg1);
3538 s390_srdl (code, s390_r0, 0, 32);
3539 s390_dlr (code, s390_r0, ins->sreg2);
3540 s390_lr (code, ins->dreg, s390_r0);
3544 if (ins->sreg1 == ins->dreg) {
3545 s390_or (code, ins->dreg, ins->sreg2);
3548 if (ins->sreg2 == ins->dreg) {
3549 s390_or (code, ins->dreg, ins->sreg1);
3552 s390_lr (code, ins->dreg, ins->sreg1);
3553 s390_or (code, ins->dreg, ins->sreg2);
3560 if (s390_is_imm16 (ins->inst_imm)) {
3561 s390_lhi (code, s390_r0, ins->inst_imm);
3562 if (ins->dreg != ins->sreg1) {
3563 s390_lr (code, ins->dreg, ins->sreg1);
3565 s390_or (code, ins->dreg, s390_r0);
3567 s390_basr (code, s390_r13, 0);
3569 s390_word (code, ins->inst_imm);
3570 if (ins->dreg != ins->sreg1) {
3571 s390_lr (code, ins->dreg, ins->sreg1);
3573 s390_o (code, ins->dreg, 0, s390_r13, 4);
3578 if (ins->sreg1 == ins->dreg) {
3579 s390_xr (code, ins->dreg, ins->sreg2);
3582 if (ins->sreg2 == ins->dreg) {
3583 s390_xr (code, ins->dreg, ins->sreg1);
3586 s390_lr (code, ins->dreg, ins->sreg1);
3587 s390_xr (code, ins->dreg, ins->sreg2);
3594 if (s390_is_imm16 (ins->inst_imm)) {
3595 s390_lhi (code, s390_r0, ins->inst_imm);
3596 if (ins->dreg != ins->sreg1) {
3597 s390_lr (code, ins->dreg, ins->sreg1);
3599 s390_xr (code, ins->dreg, s390_r0);
3601 s390_basr (code, s390_r13, 0);
3603 s390_word (code, ins->inst_imm);
3604 if (ins->dreg != ins->sreg1) {
3605 s390_lr (code, ins->dreg, ins->sreg1);
3607 s390_x (code, ins->dreg, 0, s390_r13, 4);
3613 s390_sll (code, ins->dreg, src2, 0);
3618 if (ins->sreg1 != ins->dreg) {
3619 s390_lr (code, ins->dreg, ins->sreg1);
3621 s390_sll (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3626 s390_sra (code, ins->dreg, src2, 0);
3631 if (ins->sreg1 != ins->dreg) {
3632 s390_lr (code, ins->dreg, ins->sreg1);
3634 s390_sra (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3638 case OP_ISHR_UN_IMM: {
3639 if (ins->sreg1 != ins->dreg) {
3640 s390_lr (code, ins->dreg, ins->sreg1);
3642 s390_srl (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3647 s390_srl (code, ins->dreg, src2, 0);
3651 if (ins->sreg1 != ins->dreg) {
3652 s390_lr (code, ins->dreg, ins->sreg1);
3654 s390_lhi (code, s390_r0, -1);
3655 s390_xr (code, ins->dreg, s390_r0);
3659 s390_lcr (code, ins->dreg, ins->sreg1);
3662 case OP_S390_LNEG: {
3664 g_assert (ins->dreg + 1 != ins->sreg1);
3665 s390_lcr (code, ins->dreg + 1, ins->sreg2);
3666 s390_lcr (code, ins->dreg, ins->sreg1);
3668 s390_bctr (code, ins->dreg + 1, 0);
3672 if (ins->sreg1 == ins->dreg) {
3673 s390_msr (code, ins->dreg, ins->sreg2);
3676 if (ins->sreg2 == ins->dreg) {
3677 s390_msr (code, ins->dreg, ins->sreg1);
3680 s390_lr (code, ins->dreg, ins->sreg1);
3681 s390_msr (code, ins->dreg, ins->sreg2);
3688 if (s390_is_imm16 (ins->inst_imm)) {
3689 s390_lhi (code, s390_r13, ins->inst_imm);
3691 s390_basr (code, s390_r13, 0);
3693 s390_word (code, ins->inst_imm);
3694 // if (ins->dreg != ins->sreg1) {
3695 // s390_lr (code, ins->dreg, ins->sreg1);
3697 s390_l (code, s390_r13, 0, s390_r13, 4);
3699 if (ins->dreg != ins->sreg1) {
3700 s390_lr (code, ins->dreg, ins->sreg1);
3702 s390_msr (code, ins->dreg, s390_r13);
3707 s390_ltr (code, s390_r1, ins->sreg1);
3708 s390_jz (code, 0); CODEPTR(code, o[0]);
3709 s390_ltr (code, s390_r0, ins->sreg2);
3711 s390_lhi (code, s390_r1, 0);
3712 s390_j (code, 0); CODEPTR(code, o[1]);
3713 s390_xr (code, s390_r0, s390_r1);
3714 s390_msr (code, s390_r1, ins->sreg2);
3715 s390_xr (code, s390_r0, s390_r1);
3716 s390_srl (code, s390_r0, 0, 31);
3717 s390_ltr (code, s390_r0, s390_r0);
3718 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3719 PTRSLOT (code, o[0]);
3720 PTRSLOT (code, o[1]);
3721 s390_lr (code, ins->dreg, s390_r1);
3724 case OP_IMUL_OVF_UN: {
3725 s390_lhi (code, s390_r0, 0);
3726 s390_lr (code, s390_r1, ins->sreg1);
3727 s390_mlr (code, s390_r0, ins->sreg2);
3728 s390_ltr (code, s390_r0, s390_r0);
3729 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3730 s390_lr (code, ins->dreg, s390_r1);
3734 s390_l (code, s390_r0, 0, ins->sreg1, 4);
3735 s390_srda (code, s390_r0, 0, 32);
3736 s390_m (code, s390_r0, 0, ins->sreg2, 4);
3737 s390_l (code, s390_r0, 0, ins->sreg1, 4);
3738 s390_srl (code, s390_r0, 0, 31);
3739 s390_a (code, s390_r0, 0, ins->sreg1, 0);
3740 s390_l (code, s390_r13, 0, ins->sreg2, 0);
3741 s390_srl (code, s390_r13, 0, 31);
3742 s390_ms (code, s390_r13, 0, ins->sreg1, 4);
3743 s390_ar (code, s390_r0, s390_r13);
3744 s390_st (code, s390_r0, 0, ins->dreg, 0);
3745 s390_st (code, s390_r1, 0, ins->dreg, 4);
3749 if (s390_is_imm16(ins->inst_c0)) {
3750 s390_lhi (code, ins->dreg, ins->inst_c0);
3752 s390_basr (code, s390_r13, 0);
3754 s390_word (code, ins->inst_c0);
3755 s390_l (code, ins->dreg, 0, s390_r13, 4);
3760 s390_basr (code, s390_r13, 0);
3762 mono_add_patch_info (cfg, code - cfg->native_code,
3763 (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
3764 s390_word (code, 0);
3765 s390_l (code,ins->dreg, 0, s390_r13, 4);
3768 case OP_JUMP_TABLE: {
3769 mono_add_patch_info (cfg, code - cfg->native_code,
3770 (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
3771 s390_basr (code, s390_r13, 0);
3773 s390_word (code, 0);
3774 s390_l (code, ins->dreg, 0, s390_r13, 4);
3777 case OP_ICONV_TO_I4:
3778 case OP_ICONV_TO_U4:
3780 if (ins->dreg != ins->sreg1) {
3781 s390_lr (code, ins->dreg, ins->sreg1);
3786 int saved = ins->sreg1;
3787 if (ins->sreg1 == s390_r2) {
3788 s390_lr (code, s390_r0, ins->sreg1);
3791 if (ins->sreg2 != s390_r2)
3792 s390_lr (code, s390_r2, ins->sreg2);
3793 if (saved != s390_r3)
3794 s390_lr (code, s390_r3, saved);
3798 if (ins->dreg != ins->sreg1) {
3799 s390_ldr (code, ins->dreg, ins->sreg1);
3803 case OP_S390_SETF4RET: {
3804 s390_ledbr (code, ins->dreg, ins->sreg1);
3808 if (s390_is_imm16 (ins->inst_offset)) {
3809 s390_lhi (code, s390_r13, ins->inst_offset);
3811 s390_bras (code, s390_r13, 0);
3813 s390_word (code, ins->inst_offset);
3814 s390_l (code, s390_r13, 0, s390_r13, 4);
3816 s390_ear (code, s390_r1, 0);
3817 s390_l (code, ins->dreg, s390_r13, s390_r1, 0);
3820 case OP_FCONV_TO_R4: {
3822 if (ins->dreg != ins->sreg1) {
3823 s390_ldr (code, ins->dreg, ins->sreg1);
3828 (ins->next->opcode != OP_FMOVE) &&
3829 (ins->next->opcode != OP_STORER4_MEMBASE_REG))
3830 s390_ledbr (code, ins->dreg, ins->sreg1);
3835 if (cfg->method->save_lmf)
3836 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
3838 if (cfg->flags & MONO_CFG_HAS_TAIL) {
3839 code = emit_load_volatile_registers(code, cfg);
3842 code = backUpStackPtr(cfg, code, STK_BASE);
3843 s390_l (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
3844 mono_add_patch_info (cfg, code - cfg->native_code,
3845 MONO_PATCH_INFO_METHOD_JUMP,
3847 s390_jcl (code, S390_CC_UN, 0);
3850 case OP_CHECK_THIS: {
3851 /* ensure ins->sreg1 is not NULL */
3852 s390_icm (code, s390_r0, 15, ins->sreg1, 0);
3856 int offset = cfg->sig_cookie + cfg->stack_usage;
3858 if (s390_is_imm16 (offset))
3859 s390_lhi (code, s390_r0, offset);
3861 s390_basr (code, s390_r13, 0);
3863 s390_word (code, offset);
3864 s390_l (code, s390_r0, 0, s390_r13, 0);
3866 s390_ar (code, s390_r0, cfg->frame_reg);
3867 s390_st (code, s390_r0, 0, ins->sreg1, 0);
3871 call = (MonoCallInst*)ins;
3872 if (ins->flags & MONO_INST_HAS_METHOD)
3873 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD,
3876 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS,
3878 s390_brasl (code, s390_r14, 0);
3879 if (call->signature->ret->type == MONO_TYPE_R4)
3880 s390_ldebr (code, s390_f0, s390_f0);
3888 call = (MonoCallInst*)ins;
3889 if (ins->flags & MONO_INST_HAS_METHOD)
3890 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD, call->method);
3892 mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, call->fptr);
3893 s390_brasl (code, s390_r14, 0);
3896 case OP_FCALL_REG: {
3897 call = (MonoCallInst*)ins;
3898 s390_lr (code, s390_r1, ins->sreg1);
3899 s390_basr (code, s390_r14, s390_r1);
3900 if (call->signature->ret->type == MONO_TYPE_R4)
3901 s390_ldebr (code, s390_f0, s390_f0);
3907 case OP_VOIDCALL_REG:
3909 s390_lr (code, s390_r1, ins->sreg1);
3910 s390_basr (code, s390_r14, s390_r1);
3913 case OP_LCALL_MEMBASE:
3914 case OP_VCALL_MEMBASE:
3915 case OP_VCALL2_MEMBASE:
3916 case OP_VOIDCALL_MEMBASE:
3917 case OP_FCALL_MEMBASE:
3918 case OP_CALL_MEMBASE: {
3919 call = (MonoCallInst*)ins;
3920 if (s390_is_uimm12(ins->inst_offset))
3921 s390_l (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
3923 if (s390_is_imm16(ins->inst_offset)) {
3924 s390_lhi (code, s390_r13, ins->inst_offset);
3925 s390_l (code, s390_r1, s390_r13, ins->inst_basereg, 0);
3927 s390_basr (code, s390_r13, 0);
3929 s390_word (code, ins->inst_offset);
3930 s390_l (code, s390_r13, 0, s390_r13, 4);
3931 s390_l (code, s390_r1, s390_r13, ins->inst_basereg, 0);
3934 s390_basr (code, s390_r14, s390_r1);
3935 if (ins->opcode == OP_FCALL_MEMBASE && call->signature->ret->type == MONO_TYPE_R4)
3936 s390_ldebr (code, s390_f0, s390_f0);
3940 g_assert_not_reached ();
3943 /*------------------------------------------*/
3944 /* To allocate space on the stack we have */
3945 /* to allow room for parameters passed in */
3946 /* calls, the backchain pointer and round */
3947 /* it to our stack alignment requirements */
3948 /*------------------------------------------*/
3949 int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
3950 int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
3951 s390_lr (code, s390_r1, ins->sreg1);
3952 if (ins->flags & MONO_INST_INIT)
3953 s390_lr (code, s390_r0, ins->sreg1);
3954 s390_ahi (code, s390_r1, 14);
3955 s390_srl (code, s390_r1, 0, 3);
3956 s390_sll (code, s390_r1, 0, 3);
3957 if (cfg->method->save_lmf) {
3958 /*----------------------------------*/
3959 /* we have to adjust lmf ebp value */
3960 /*----------------------------------*/
3961 int lmfOffset = cfg->stack_usage - sizeof(MonoLMF);
3963 s390_lr (code, s390_r13, cfg->frame_reg);
3964 if (s390_is_uimm16(lmfOffset))
3965 s390_ahi (code, s390_r13, lmfOffset);
3967 s390_basr (code, s390_r14, 0);
3969 s390_word (code, lmfOffset);
3970 s390_a (code, s390_r13, 0, s390_r14, 4);
3972 s390_lr (code, s390_r14, STK_BASE);
3973 s390_sr (code, s390_r14, s390_r1);
3974 s390_st (code, s390_r14, 0, s390_r13,
3975 G_STRUCT_OFFSET(MonoLMF, ebp));
3977 s390_l (code, s390_r13, 0, STK_BASE, 0);
3978 s390_sr (code, STK_BASE, s390_r1);
3979 s390_st (code, s390_r13, 0, STK_BASE, 0);
3980 s390_la (code, ins->dreg, 0, STK_BASE, area_offset);
3981 s390_srl (code, ins->dreg, 0, 3);
3982 s390_sll (code, ins->dreg, 0, 3);
3983 if (ins->flags & MONO_INST_INIT) {
3984 s390_lr (code, s390_r1, s390_r0);
3985 s390_lr (code, s390_r0, ins->dreg);
3986 s390_lr (code, s390_r14, s390_r12);
3987 s390_lhi (code, s390_r13, 0);
3988 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
3990 s390_lr (code, s390_r12, s390_r14);
3995 s390_lr (code, s390_r2, ins->sreg1);
3996 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
3997 (gpointer)"mono_arch_throw_exception");
3998 s390_brasl (code, s390_r14, 0);
4002 s390_lr (code, s390_r2, ins->sreg1);
4003 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
4004 (gpointer)"mono_arch_rethrow_exception");
4005 s390_brasl (code, s390_r14, 0);
4008 case OP_START_HANDLER: {
4009 MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
4010 if (s390_is_uimm12 (spvar->inst_offset)) {
4011 s390_st (code, s390_r14, 0,
4012 spvar->inst_basereg,
4013 spvar->inst_offset);
4015 s390_basr (code, s390_r13, 0);
4017 s390_word (code, spvar->inst_offset);
4018 s390_l (code, s390_r13, 0, s390_r13, 4);
4019 s390_st (code, s390_r14, s390_r13,
4020 spvar->inst_basereg, 0);
4024 case OP_ENDFILTER: {
4025 MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
4026 if (ins->sreg1 != s390_r2)
4027 s390_lr (code, s390_r2, ins->sreg1);
4028 if (s390_is_uimm12 (spvar->inst_offset)) {
4029 s390_l (code, s390_r14, 0, spvar->inst_basereg,
4030 spvar->inst_offset);
4032 s390_basr (code, s390_r13, 0);
4034 s390_word (code, spvar->inst_offset);
4035 s390_l (code, s390_r13, 0, s390_r13, 4);
4036 s390_l (code, s390_r14, s390_r13,
4037 spvar->inst_basereg, 0);
4039 s390_br (code, s390_r14);
4042 case OP_ENDFINALLY: {
4043 MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
4044 if (s390_is_uimm12 (spvar->inst_offset)) {
4045 s390_l (code, s390_r14, 0, spvar->inst_basereg,
4046 spvar->inst_offset);
4048 s390_basr (code, s390_r13, 0);
4050 s390_word (code, spvar->inst_offset);
4051 s390_l (code, s390_r13, 0, s390_r13, 4);
4052 s390_l (code, s390_r14, s390_r13,
4053 spvar->inst_basereg, 0);
4055 s390_br (code, s390_r14);
4058 case OP_CALL_HANDLER: {
4059 mono_add_patch_info (cfg, code-cfg->native_code,
4060 MONO_PATCH_INFO_BB, ins->inst_target_bb);
4061 s390_brasl (code, s390_r14, 0);
4065 ins->inst_c0 = code - cfg->native_code;
4070 case OP_DUMMY_STORE:
4071 case OP_NOT_REACHED:
4076 EMIT_UNCOND_BRANCH(ins);
4079 s390_br (code, ins->sreg1);
4084 s390_lhi (code, ins->dreg, 1);
4086 s390_lhi (code, ins->dreg, 0);
4091 s390_lhi (code, ins->dreg, 1);
4093 s390_lhi (code, ins->dreg, 0);
4098 s390_lhi (code, ins->dreg, 1);
4100 s390_lhi (code, ins->dreg, 0);
4105 s390_lhi (code, ins->dreg, 1);
4107 s390_lhi (code, ins->dreg, 0);
4112 s390_lhi (code, ins->dreg, 1);
4114 s390_lhi (code, ins->dreg, 0);
4117 case OP_COND_EXC_EQ:
4118 case OP_COND_EXC_IEQ:
4119 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ, ins->inst_p1);
4121 case OP_COND_EXC_NE_UN:
4122 case OP_COND_EXC_INE_UN:
4123 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE, ins->inst_p1);
4125 case OP_COND_EXC_LT:
4126 case OP_COND_EXC_ILT:
4127 case OP_COND_EXC_LT_UN:
4128 case OP_COND_EXC_ILT_UN:
4129 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, ins->inst_p1);
4131 case OP_COND_EXC_GT:
4132 case OP_COND_EXC_IGT:
4133 case OP_COND_EXC_GT_UN:
4134 case OP_COND_EXC_IGT_UN:
4135 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, ins->inst_p1);
4137 case OP_COND_EXC_GE:
4138 case OP_COND_EXC_IGE:
4139 case OP_COND_EXC_GE_UN:
4140 case OP_COND_EXC_IGE_UN:
4141 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE, ins->inst_p1);
4143 case OP_COND_EXC_LE:
4144 case OP_COND_EXC_ILE:
4145 case OP_COND_EXC_LE_UN:
4146 case OP_COND_EXC_ILE_UN:
4147 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE, ins->inst_p1);
4149 case OP_COND_EXC_OV:
4150 case OP_COND_EXC_IOV:
4151 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, ins->inst_p1);
4153 case OP_COND_EXC_NO:
4154 case OP_COND_EXC_INO:
4155 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO, ins->inst_p1);
4158 case OP_COND_EXC_IC:
4159 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, ins->inst_p1);
4161 case OP_COND_EXC_NC:
4162 case OP_COND_EXC_INC:
4163 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, ins->inst_p1);
4166 EMIT_COND_BRANCH (ins, S390_CC_EQ);
4169 EMIT_COND_BRANCH (ins, S390_CC_NE);
4173 EMIT_COND_BRANCH (ins, S390_CC_LT);
4177 EMIT_COND_BRANCH (ins, S390_CC_GT);
4181 EMIT_COND_BRANCH (ins, S390_CC_GE);
4185 EMIT_COND_BRANCH (ins, S390_CC_LE);
4188 /* floating point opcodes */
4190 if (*((float *) ins->inst_p0) == 0) {
4191 s390_lzdr (code, ins->dreg);
4193 s390_basr (code, s390_r13, 0);
4195 s390_word (code, ins->inst_p0);
4196 s390_l (code, s390_r13, 0, s390_r13, 4);
4197 s390_ld (code, ins->dreg, 0, s390_r13, 0);
4202 if (*((float *) ins->inst_p0) == 0) {
4203 s390_lzdr (code, ins->dreg);
4205 s390_basr (code, s390_r13, 0);
4207 s390_word (code, ins->inst_p0);
4208 s390_l (code, s390_r13, 0, s390_r13, 4);
4209 s390_ldeb (code, ins->dreg, 0, s390_r13, 0);
4213 case OP_STORER8_MEMBASE_REG: {
4214 if (s390_is_uimm12(ins->inst_offset)) {
4215 s390_std (code, ins->sreg1, 0, ins->inst_destbasereg, ins->inst_offset);
4217 s390_basr (code, s390_r13, 0);
4219 s390_word (code, ins->inst_offset);
4220 s390_l (code, s390_r13, 0, s390_r13, 4);
4221 s390_std (code, ins->sreg1, s390_r13, ins->inst_destbasereg, 0);
4225 case OP_LOADR8_MEMBASE: {
4226 if (s390_is_uimm12(ins->inst_offset)) {
4227 s390_ld (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
4229 s390_basr (code, s390_r13, 0);
4231 s390_word (code, ins->inst_offset);
4232 s390_l (code, s390_r13, 0, s390_r13, 4);
4233 s390_ld (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
4237 case OP_STORER4_MEMBASE_REG: {
4238 if (s390_is_uimm12(ins->inst_offset)) {
4239 s390_ledbr(code, s390_f15, ins->sreg1);
4240 s390_ste (code, s390_f15, 0, ins->inst_destbasereg, ins->inst_offset);
4242 s390_basr (code, s390_r13, 0);
4244 s390_word (code, ins->inst_offset);
4245 s390_l (code, s390_r13, 0, s390_r13, 4);
4246 s390_ledbr(code, s390_f15, ins->sreg1);
4247 s390_ste (code, s390_f15, s390_r13, ins->inst_destbasereg, 0);
4251 case OP_LOADR4_MEMBASE: {
4252 if (s390_is_uimm12(ins->inst_offset)) {
4253 s390_ldeb (code, ins->dreg, 0, ins->inst_basereg, ins->inst_offset);
4255 s390_basr (code, s390_r13, 0);
4257 s390_word (code, ins->inst_offset);
4258 s390_l (code, s390_r13, 0, s390_r13, 4);
4259 s390_ldeb (code, ins->dreg, s390_r13, ins->inst_basereg, 0);
4263 case OP_ICONV_TO_R_UN: {
4264 s390_cdfbr (code, ins->dreg, ins->sreg1);
4265 s390_ltr (code, ins->sreg1, ins->sreg1);
4266 s390_jnl (code, 12);
4267 s390_basr (code, s390_r13, 0);
4269 s390_word (code, 0x41f00000);
4270 s390_word (code, 0);
4271 s390_adb (code, ins->dreg, 0, s390_r13, 4);
4274 case OP_ICONV_TO_R4: {
4275 s390_cdfbr (code, ins->dreg, ins->sreg1);
4278 case OP_ICONV_TO_R8: {
4279 s390_cdfbr (code, ins->dreg, ins->sreg1);
4282 case OP_FCONV_TO_I1:
4283 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, TRUE);
4285 case OP_FCONV_TO_U1:
4286 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, FALSE);
4288 case OP_FCONV_TO_I2:
4289 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, TRUE);
4291 case OP_FCONV_TO_U2:
4292 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, FALSE);
4294 case OP_FCONV_TO_I4:
4296 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, TRUE);
4298 case OP_FCONV_TO_U4:
4300 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, FALSE);
4302 case OP_FCONV_TO_I8:
4303 case OP_FCONV_TO_U8:
4304 g_assert_not_reached ();
4305 /* Implemented as helper calls */
4307 case OP_LCONV_TO_R_UN:
4308 g_assert_not_reached ();
4309 /* Implemented as helper calls */
4311 case OP_LCONV_TO_OVF_I:
4312 case OP_LCONV_TO_OVF_I4_2: {
4313 /* Valid ints: 0xffffffff:8000000 to 00000000:0x7f000000 */
4315 s390_ltr (code, ins->sreg1, ins->sreg1);
4316 s390_jnl (code, 0); CODEPTR(code, o[0]);
4317 s390_ltr (code, ins->sreg2, ins->sreg2);
4318 s390_jnl (code, 0); CODEPTR(code, o[1]);
4319 s390_lhi (code, s390_r13, -1);
4320 s390_cr (code, ins->sreg2, s390_r13);
4321 s390_jnz (code, 0); CODEPTR(code, o[2]);
4322 s390_j (code, 0); CODEPTR(code, o[3]);
4323 PTRSLOT(code, o[0]);
4324 s390_ltr (code, ins->sreg2, ins->sreg2);
4325 s390_jz (code, 0); CODEPTR(code, o[4]);
4326 PTRSLOT(code, o[1]);
4327 PTRSLOT(code, o[2]);
4328 mono_add_patch_info (cfg, code - cfg->native_code,
4329 MONO_PATCH_INFO_EXC, "OverflowException");
4330 s390_brasl (code, s390_r14, 0);
4331 PTRSLOT(code, o[3]);
4332 PTRSLOT(code, o[4]);
4333 if (ins->dreg != ins->sreg1)
4334 s390_lr (code, ins->dreg, ins->sreg1);
4338 s390_sqdbr (code, ins->dreg, ins->sreg1);
4343 s390_adbr (code, ins->dreg, src2);
4347 CHECK_SRCDST_NCOM_F;
4348 s390_sdbr (code, ins->dreg, src2);
4353 s390_mdbr (code, ins->dreg, src2);
4357 CHECK_SRCDST_NCOM_F;
4358 s390_ddbr (code, ins->dreg, src2);
4362 s390_lcdbr (code, ins->dreg, ins->sreg1);
4366 CHECK_SRCDST_NCOM_F;
4367 s390_didbr (code, ins->dreg, src2, 5, s390_f15);
4371 s390_cdbr (code, ins->sreg1, ins->sreg2);
4375 s390_cdbr (code, ins->sreg1, ins->sreg2);
4376 s390_lhi (code, ins->dreg, 1);
4378 s390_lhi (code, ins->dreg, 0);
4382 s390_cdbr (code, ins->sreg1, ins->sreg2);
4383 s390_lhi (code, ins->dreg, 1);
4385 s390_lhi (code, ins->dreg, 0);
4389 s390_cdbr (code, ins->sreg1, ins->sreg2);
4390 s390_lhi (code, ins->dreg, 1);
4392 s390_lhi (code, ins->dreg, 0);
4396 s390_cdbr (code, ins->sreg1, ins->sreg2);
4397 s390_lhi (code, ins->dreg, 1);
4399 s390_lhi (code, ins->dreg, 0);
4403 s390_cdbr (code, ins->sreg1, ins->sreg2);
4404 s390_lhi (code, ins->dreg, 1);
4406 s390_lhi (code, ins->dreg, 0);
4411 s390_jo (code, 0); CODEPTR(code, o);
4412 EMIT_COND_BRANCH (ins, S390_CC_EQ);
4417 EMIT_COND_BRANCH (ins, S390_CC_NE|S390_CC_OV);
4421 s390_jo (code, 0); CODEPTR(code, o);
4422 EMIT_COND_BRANCH (ins, S390_CC_LT);
4427 EMIT_COND_BRANCH (ins, S390_CC_LT|S390_CC_OV);
4431 s390_jo (code, 0); CODEPTR(code, o);
4432 EMIT_COND_BRANCH (ins, S390_CC_GT);
4437 EMIT_COND_BRANCH (ins, S390_CC_GT|S390_CC_OV);
4441 s390_jo (code, 0); CODEPTR(code, o);
4442 EMIT_COND_BRANCH (ins, S390_CC_GE);
4447 EMIT_COND_BRANCH (ins, S390_CC_GE|S390_CC_OV);
4451 s390_jo (code, 0); CODEPTR(code, o);
4452 EMIT_COND_BRANCH (ins, S390_CC_LE);
4457 EMIT_COND_BRANCH (ins, S390_CC_LE|S390_CC_OV);
4461 s390_lhi (code, s390_r13, 0x7f);
4462 s390_tcdb (code, ins->sreg1, 0, s390_r13, 0);
4463 s390_jz (code, 0); CODEPTR(code, o);
4464 mono_add_patch_info (cfg, code - cfg->native_code,
4465 MONO_PATCH_INFO_EXC, "ArithmeticException");
4466 s390_brasl (code, s390_r14,0);
4470 case OP_S390_MOVE: {
4471 if (ins->backend.size > 0) {
4472 if (ins->backend.size <= 256) {
4473 s390_mvc (code, ins->backend.size, ins->dreg,
4474 ins->inst_offset, ins->sreg1, ins->inst_imm);
4476 s390_lr (code, s390_r0, ins->dreg);
4477 if (s390_is_imm16 (ins->inst_offset)) {
4478 s390_ahi (code, s390_r0, ins->inst_offset);
4480 s390_basr (code, s390_r13, 0);
4482 s390_word (code, ins->inst_offset);
4483 s390_a (code, s390_r0, 0, s390_r13, 4);
4485 s390_lr (code, s390_r14, s390_r12);
4486 s390_lr (code, s390_r12, ins->sreg1);
4487 if (s390_is_imm16 (ins->inst_imm)) {
4488 s390_ahi (code, s390_r12, ins->inst_imm);
4490 s390_basr (code, s390_r13, 0);
4492 s390_word (code, ins->inst_imm);
4493 s390_a (code, s390_r12, 0, s390_r13, 4);
4495 s390_lr (code, s390_r1, ins->sreg1);
4496 s390_lr (code, s390_r13, s390_r1);
4497 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
4499 s390_lr (code, s390_r12, s390_r14);
4504 case OP_ATOMIC_ADD_I4: {
4505 s390_lr (code, s390_r1, ins->sreg2);
4506 s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4507 s390_a (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
4508 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4509 s390_jnz (code, -7);
4510 s390_lr (code, ins->dreg, s390_r1);
4513 case OP_ATOMIC_ADD_NEW_I4: {
4514 s390_lr (code, s390_r1, ins->sreg2);
4515 s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4516 s390_a (code, s390_r1, 0, ins->inst_basereg, ins->inst_offset);
4517 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4518 s390_jnz (code, -7);
4519 s390_lr (code, ins->dreg, s390_r1);
4522 case OP_ATOMIC_EXCHANGE_I4: {
4523 s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4524 s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
4525 s390_jnz (code, -4);
4526 s390_lr (code, ins->dreg, s390_r0);
4529 case OP_S390_BKCHAIN: {
4530 s390_lr (code, ins->dreg, ins->sreg1);
4531 if (s390_is_imm16 (cfg->stack_offset)) {
4532 s390_ahi (code, ins->dreg, cfg->stack_offset);
4534 s390_basr (code, s390_r13, 0);
4536 s390_word (code, cfg->stack_offset);
4537 s390_a (code, ins->dreg, 0, s390_r13, 4);
4540 case OP_MEMORY_BARRIER: {
4544 g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
4545 g_assert_not_reached ();
4548 if ((cfg->opt & MONO_OPT_BRANCH) && ((code - cfg->native_code - offset) > max_len)) {
4549 g_warning ("wrong maximal instruction length of instruction %s (expected %d, got %d)",
4550 mono_inst_name (ins->opcode), max_len, code - cfg->native_code - offset);
4551 g_assert_not_reached ();
4557 last_offset = offset;
4560 cfg->code_len = code - cfg->native_code;
4563 /*========================= End of Function ========================*/
4565 /*------------------------------------------------------------------*/
4567 /* Name - mono_arch_register_lowlevel_calls */
4569 /* Function - Register routines to help with --trace operation. */
4571 /*------------------------------------------------------------------*/
4574 mono_arch_register_lowlevel_calls (void)
4576 mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
4579 /*========================= End of Function ========================*/
4581 /*------------------------------------------------------------------*/
4583 /* Name - mono_arch_patch_code */
4585 /* Function - Process the patch data created during the */
4586 /* instruction build process. This resolves jumps, */
4587 /* calls, variables etc. */
4589 /*------------------------------------------------------------------*/
4592 mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
4593 guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
4595 MonoJumpInfo *patch_info;
4597 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
4598 unsigned char *ip = patch_info->ip.i + code;
4599 gconstpointer target = NULL;
4601 target = mono_resolve_patch_target (method, domain, code,
4602 patch_info, run_cctors);
4604 switch (patch_info->type) {
4605 case MONO_PATCH_INFO_IP:
4606 case MONO_PATCH_INFO_EXC_NAME:
4607 case MONO_PATCH_INFO_LDSTR:
4608 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
4609 case MONO_PATCH_INFO_LDTOKEN:
4610 case MONO_PATCH_INFO_EXC:
4612 case MONO_PATCH_INFO_SWITCH:
4613 /*----------------------------------*/
4614 /* ip points at the basr r13,0/j +4 */
4615 /* instruction the vtable value */
4616 /* follows this (i.e. ip+6) */
4617 /*----------------------------------*/
4618 *((gconstpointer *)(ip+6)) = target;
4621 case MONO_PATCH_INFO_METHODCONST:
4622 case MONO_PATCH_INFO_CLASS:
4623 case MONO_PATCH_INFO_IMAGE:
4624 case MONO_PATCH_INFO_FIELD:
4625 case MONO_PATCH_INFO_IID:
4626 target = S390_RELATIVE(target, ip);
4628 case MONO_PATCH_INFO_R4:
4629 case MONO_PATCH_INFO_R8:
4630 case MONO_PATCH_INFO_METHOD_REL:
4631 g_assert_not_reached ();
4634 target = S390_RELATIVE(target, ip);
4637 s390_patch (ip, (guint32) target);
4641 /*========================= End of Function ========================*/
4643 /*------------------------------------------------------------------*/
4645 /* Name - emit_load_volatile_registers */
4647 /* Function - Create the instruction sequence for loading the */
4648 /* parameter registers for use with the 'tail' op. */
4650 /* The register loading operations performed here */
4651 /* are the mirror of the store operations performed */
4652 /* in mono_arch_emit_prolog and need to be kept in */
4653 /* synchronization with it. */
4655 /*------------------------------------------------------------------*/
4658 emit_load_volatile_registers (guint8 * code, MonoCompile *cfg)
4660 MonoMethod *method = cfg->method;
4661 MonoMethodSignature *sig;
4666 sig = mono_method_signature (method);
4669 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
4671 if (cinfo->struct_ret) {
4672 ArgInfo *ainfo = &cinfo->ret;
4673 inst = cfg->vret_addr;
4674 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4677 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4678 ArgInfo *ainfo = cinfo->args + i;
4679 inst = cfg->args [pos];
4681 if (inst->opcode == OP_REGVAR) {
4682 if (ainfo->regtype == RegTypeGeneral)
4683 s390_lr (code, ainfo->reg, inst->dreg);
4684 else if (ainfo->regtype == RegTypeFP) {
4685 if (inst->dreg != ainfo->reg) {
4686 if (ainfo->size == 4) {
4687 s390_ldebr (code, ainfo->reg, inst->dreg);
4689 s390_ldr (code, ainfo->reg, inst->dreg);
4693 else if (ainfo->regtype == RegTypeBase) {
4695 g_assert_not_reached ();
4697 if (ainfo->regtype == RegTypeGeneral) {
4698 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4699 g_assert_not_reached();
4700 switch (ainfo->size) {
4702 s390_ic (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4705 s390_lh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4708 s390_lm (code, ainfo->reg, ainfo->reg + 1,
4709 inst->inst_basereg, inst->inst_offset);
4712 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4714 } else if (ainfo->regtype == RegTypeBase) {
4715 } else if (ainfo->regtype == RegTypeFP) {
4716 if (ainfo->size == 8)
4717 s390_ld (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4718 else if (ainfo->size == 4)
4719 s390_le (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4721 g_assert_not_reached ();
4722 } else if (ainfo->regtype == RegTypeStructByVal) {
4723 if (ainfo->reg != STK_BASE) {
4724 switch (ainfo->size) {
4726 s390_ic (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4729 s390_lh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4732 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4735 s390_lm (code, ainfo->reg, ainfo->reg+1, inst->inst_basereg, inst->inst_offset);
4739 } else if (ainfo->regtype == RegTypeStructByAddr) {
4740 if (ainfo->reg != STK_BASE) {
4741 s390_l (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4744 g_assert_not_reached ();
4752 /*========================= End of Function ========================*/
4754 /*------------------------------------------------------------------*/
4756 /* Name - mono_arch_emit_prolog */
4758 /* Function - Create the instruction sequence for a function */
4761 /*------------------------------------------------------------------*/
4764 mono_arch_emit_prolog (MonoCompile *cfg)
4766 MonoMethod *method = cfg->method;
4768 MonoMethodSignature *sig;
4770 int alloc_size, pos, max_offset, i;
4776 if (mono_jit_trace_calls != NULL && mono_trace_eval (method))
4779 cfg->code_size = 1024;
4780 cfg->native_code = code = g_malloc (cfg->code_size);
4782 s390_stm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
4784 if (cfg->arch.bkchain_reg != -1)
4785 s390_lr (code, cfg->arch.bkchain_reg, STK_BASE);
4787 if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
4788 cfg->used_int_regs |= 1 << 11;
4791 alloc_size = cfg->stack_offset;
4793 cfg->stack_usage = alloc_size;
4794 s390_lr (code, s390_r11, STK_BASE);
4795 if (s390_is_uimm16 (alloc_size)) {
4796 s390_ahi (code, STK_BASE, -alloc_size);
4798 int stackSize = alloc_size;
4799 while (stackSize > 32767) {
4800 s390_ahi (code, STK_BASE, -32767);
4803 s390_ahi (code, STK_BASE, -stackSize);
4805 s390_st (code, s390_r11, 0, STK_BASE, 0);
4807 if (cfg->frame_reg != STK_BASE)
4808 s390_lr (code, s390_r11, STK_BASE);
4810 /* compute max_offset in order to use short forward jumps
4811 * we always do it on s390 because the immediate displacement
4812 * for jumps is too small
4815 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4816 MonoInst *ins = bb->code;
4817 bb->max_offset = max_offset;
4819 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4822 MONO_BB_FOR_EACH_INS (bb, ins)
4823 max_offset += ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
4826 /* load arguments allocated to register from the stack */
4827 sig = mono_method_signature (method);
4830 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
4832 if (cinfo->struct_ret) {
4833 ArgInfo *ainfo = &cinfo->ret;
4834 inst = cfg->vret_addr;
4835 inst->backend.size = ainfo->vtsize;
4836 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4839 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4840 ArgInfo *ainfo = cinfo->args + i;
4841 inst = cfg->args [pos];
4843 if (inst->opcode == OP_VTARG_ADDR)
4844 inst = inst->inst_left;
4846 if (inst->opcode == OP_REGVAR) {
4847 if (ainfo->regtype == RegTypeGeneral)
4848 s390_lr (code, inst->dreg, ainfo->reg);
4849 else if (ainfo->regtype == RegTypeFP) {
4850 if (inst->dreg != ainfo->reg) {
4851 if (ainfo->size == 4) {
4852 s390_ledbr (code, inst->dreg, ainfo->reg);
4854 s390_ldr (code, inst->dreg, ainfo->reg);
4858 else if (ainfo->regtype == RegTypeBase) {
4859 s390_lr (code, s390_r13, STK_BASE);
4860 s390_ahi (code, s390_r13, alloc_size);
4861 s390_l (code, inst->dreg, 0, s390_r13, ainfo->offset);
4863 g_assert_not_reached ();
4865 if (cfg->verbose_level > 2)
4866 g_print ("Argument %d assigned to register %s\n",
4867 pos, mono_arch_regname (inst->dreg));
4869 if (ainfo->regtype == RegTypeGeneral) {
4870 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4871 g_assert_not_reached();
4872 switch (ainfo->size) {
4874 s390_stc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4877 s390_sth (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4880 s390_stm (code, ainfo->reg, ainfo->reg + 1,
4881 inst->inst_basereg, inst->inst_offset);
4884 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4886 } else if (ainfo->regtype == RegTypeBase) {
4887 } else if (ainfo->regtype == RegTypeFP) {
4888 if (ainfo->size == 8)
4889 s390_std (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4890 else if (ainfo->size == 4)
4891 s390_ste (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4893 g_assert_not_reached ();
4894 } else if (ainfo->regtype == RegTypeStructByVal) {
4895 int doffset = inst->inst_offset;
4897 if (ainfo->reg != STK_BASE)
4901 s390_lr (code, s390_r13, STK_BASE);
4902 s390_ahi (code, s390_r13, alloc_size);
4904 switch (ainfo->size) {
4906 if (ainfo->reg == STK_BASE)
4907 s390_ic (code, reg, 0, s390_r13, ainfo->offset+3);
4908 s390_stc (code, reg, 0, inst->inst_basereg, doffset);
4911 if (ainfo->reg == STK_BASE)
4912 s390_lh (code, reg, 0, s390_r13, ainfo->offset+2);
4913 s390_sth (code, reg, 0, inst->inst_basereg, doffset);
4916 if (ainfo->reg == STK_BASE)
4917 s390_l (code, reg, 0, s390_r13, ainfo->offset);
4918 s390_st (code, reg, 0, inst->inst_basereg, doffset);
4921 if (ainfo->reg == STK_BASE)
4922 s390_lm (code, s390_r0, s390_r1, s390_r13, ainfo->offset);
4923 s390_stm (code, reg, reg+1, inst->inst_basereg, doffset);
4926 } else if (ainfo->regtype == RegTypeStructByAddr) {
4927 if (ainfo->reg != STK_BASE)
4928 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4930 g_assert_not_reached ();
4935 if (method->save_lmf) {
4936 /*---------------------------------------------------------------*/
4937 /* we build the MonoLMF structure on the stack - see mini-s390.h */
4938 /*---------------------------------------------------------------*/
4939 lmfOffset = alloc_size - sizeof(MonoLMF);
4941 s390_lr (code, s390_r13, cfg->frame_reg);
4942 if (s390_is_uimm16(lmfOffset))
4943 s390_ahi (code, s390_r13, lmfOffset);
4945 s390_basr (code, s390_r14, 0);
4947 s390_word (code, lmfOffset);
4948 s390_a (code, s390_r13, 0, s390_r14, 4);
4951 /*---------------------------------------------------------------*/
4952 /* Preserve the parameter registers while we fix up the lmf */
4953 /*---------------------------------------------------------------*/
4954 s390_stm (code, s390_r2, s390_r6, s390_r13,
4955 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
4957 /*---------------------------------------------------------------*/
4958 /* On return from this call r2 have the address of the &lmf */
4959 /*---------------------------------------------------------------*/
4960 mono_add_patch_info (cfg, code - cfg->native_code,
4961 MONO_PATCH_INFO_INTERNAL_METHOD,
4962 (gpointer)"mono_get_lmf_addr");
4963 s390_brasl (code, s390_r14, 0);
4965 /*---------------------------------------------------------------*/
4966 /* Set lmf.lmf_addr = jit_tls->lmf */
4967 /*---------------------------------------------------------------*/
4968 s390_st (code, s390_r2, 0, s390_r13,
4969 G_STRUCT_OFFSET(MonoLMF, lmf_addr));
4971 /*---------------------------------------------------------------*/
4972 /* Get current lmf */
4973 /*---------------------------------------------------------------*/
4974 s390_l (code, s390_r0, 0, s390_r2, 0);
4976 /*---------------------------------------------------------------*/
4977 /* Set our lmf as the current lmf */
4978 /*---------------------------------------------------------------*/
4979 s390_st (code, s390_r13, 0, s390_r2, 0);
4981 /*---------------------------------------------------------------*/
4982 /* Have our lmf.previous_lmf point to the last lmf */
4983 /*---------------------------------------------------------------*/
4984 s390_st (code, s390_r0, 0, s390_r13,
4985 G_STRUCT_OFFSET(MonoLMF, previous_lmf));
4987 /*---------------------------------------------------------------*/
4988 /* save method info */
4989 /*---------------------------------------------------------------*/
4990 s390_basr (code, s390_r1, 0);
4992 s390_word (code, method);
4993 s390_l (code, s390_r1, 0, s390_r1, 4);
4994 s390_st (code, s390_r1, 0, s390_r13,
4995 G_STRUCT_OFFSET(MonoLMF, method));
4997 /*---------------------------------------------------------------*/
4998 /* save the current IP */
4999 /*---------------------------------------------------------------*/
5000 s390_st (code, STK_BASE, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
5001 s390_basr (code, s390_r1, 0);
5002 s390_la (code, s390_r1, 0, s390_r1, 0);
5003 s390_st (code, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, eip));
5005 /*---------------------------------------------------------------*/
5006 /* Save general and floating point registers */
5007 /*---------------------------------------------------------------*/
5008 s390_stm (code, s390_r2, s390_r12, s390_r13,
5009 G_STRUCT_OFFSET(MonoLMF, gregs[2]));
5010 for (i = 0; i < 16; i++) {
5011 s390_std (code, i, 0, s390_r13,
5012 G_STRUCT_OFFSET(MonoLMF, fregs[i]));
5015 /*---------------------------------------------------------------*/
5016 /* Restore the parameter registers now that we've set up the lmf */
5017 /*---------------------------------------------------------------*/
5018 s390_lm (code, s390_r2, s390_r6, s390_r13,
5019 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
5023 code = mono_arch_instrument_prolog(cfg, enter_method, code, TRUE);
5025 cfg->code_len = code - cfg->native_code;
5027 g_assert (cfg->code_len < cfg->code_size);
5032 /*========================= End of Function ========================*/
5034 /*------------------------------------------------------------------*/
5036 /* Name - mono_arch_emit_epilog */
5038 /* Function - Emit the instructions for a function epilog. */
5040 /*------------------------------------------------------------------*/
5043 mono_arch_emit_epilog (MonoCompile *cfg)
5045 MonoMethod *method = cfg->method;
5048 int max_epilog_size = 96;
5050 if (cfg->method->save_lmf)
5051 max_epilog_size += 128;
5053 if (mono_jit_trace_calls != NULL)
5054 max_epilog_size += 128;
5056 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
5057 max_epilog_size += 128;
5059 while ((cfg->code_len + max_epilog_size) > (cfg->code_size - 16)) {
5060 cfg->code_size *= 2;
5061 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
5062 mono_jit_stats.code_reallocs++;
5065 code = cfg->native_code + cfg->code_len;
5067 if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
5068 code = mono_arch_instrument_epilog (cfg, leave_method, code, TRUE);
5072 if (method->save_lmf)
5073 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
5075 if (cfg->flags & MONO_CFG_HAS_ALLOCA)
5076 s390_l (code, STK_BASE, 0, STK_BASE, 0);
5078 code = backUpStackPtr(cfg, code, STK_BASE);
5080 s390_lm (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
5081 s390_br (code, s390_r14);
5083 cfg->code_len = code - cfg->native_code;
5085 g_assert (cfg->code_len < cfg->code_size);
5089 /*========================= End of Function ========================*/
5091 /*------------------------------------------------------------------*/
5093 /* Name - mono_arch_emit_exceptions */
5095 /* Function - Emit the blocks to handle exception conditions. */
5097 /*------------------------------------------------------------------*/
5100 mono_arch_emit_exceptions (MonoCompile *cfg)
5102 MonoJumpInfo *patch_info;
5108 MonoClass *exc_classes [MAX_EXC];
5109 guint8 *exc_throw_start [MAX_EXC];
5111 for (patch_info = cfg->patch_info;
5113 patch_info = patch_info->next) {
5114 if (patch_info->type == MONO_PATCH_INFO_EXC)
5118 code_size = exc_count * 26;
5120 while ((cfg->code_len + code_size) > (cfg->code_size - 16)) {
5121 cfg->code_size *= 2;
5122 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
5123 mono_jit_stats.code_reallocs++;
5126 code = cfg->native_code + cfg->code_len;
5128 /*---------------------------------------------------------------------*/
5129 /* Add code to raise exceptions */
5130 /*---------------------------------------------------------------------*/
5131 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
5132 switch (patch_info->type) {
5133 case MONO_PATCH_INFO_EXC: {
5134 guint8 *ip = patch_info->ip.i + cfg->native_code;
5135 MonoClass *exc_class;
5138 /*-----------------------------------------------------*/
5139 /* Patch the branch in epilog to come here */
5140 /*-----------------------------------------------------*/
5141 s390_patch (ip + 2, (guint32) (S390_RELATIVE(code,ip)));
5143 exc_class = mono_class_from_name (mono_defaults.corlib,
5145 patch_info->data.name);
5146 g_assert (exc_class);
5147 throw_ip = patch_info->ip.i;
5149 for (iExc = 0; iExc < nThrows; ++iExc)
5150 if (exc_classes [iExc] == exc_class)
5153 if (iExc < nThrows) {
5154 s390_jcl (code, S390_CC_UN, (guint32) exc_throw_start [iExc]);
5155 patch_info->type = MONO_PATCH_INFO_NONE;
5158 if (nThrows < MAX_EXC) {
5159 exc_classes [nThrows] = exc_class;
5160 exc_throw_start [nThrows] = code;
5163 /*---------------------------------------------*/
5164 /* Patch the parameter passed to the handler */
5165 /*---------------------------------------------*/
5166 s390_basr (code, s390_r13, 0);
5168 s390_word (code, patch_info->data.target);
5169 /*---------------------------------------------*/
5170 /* Load return address & parameter register */
5171 /*---------------------------------------------*/
5172 s390_larl (code, s390_r14, (gsize)S390_RELATIVE((patch_info->ip.i +
5173 cfg->native_code + 8), code));
5174 s390_l (code, s390_r2, 0, s390_r13, 4);
5175 /*---------------------------------------------*/
5176 /* Reuse the current patch to set the jump */
5177 /*---------------------------------------------*/
5178 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
5179 patch_info->data.name = "mono_arch_throw_exception_by_name";
5180 patch_info->ip.i = code - cfg->native_code;
5181 s390_jcl (code, S390_CC_UN, 0);
5191 cfg->code_len = code - cfg->native_code;
5193 g_assert (cfg->code_len < cfg->code_size);
5197 /*========================= End of Function ========================*/
5199 /*------------------------------------------------------------------*/
5201 /* Name - mono_arch_setup_jit_tls_data */
5203 /* Function - Setup the JIT's Thread Level Specific Data. */
5205 /*------------------------------------------------------------------*/
5208 mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
5211 if (!tls_offset_inited) {
5212 tls_offset_inited = TRUE;
5216 __asm__ ("\tear\t%r1,0\n"
5223 : "=r" (appdomain_tls_offset),
5224 "=r" (thread_tls_offset),
5225 "=r" (lmf_tls_offset)
5226 : "r" (&tls_appdomain),
5227 "r" (&tls_current_object),
5228 "r" (&mono_lmf_addr)
5234 if (!lmf_addr_key_inited) {
5235 lmf_addr_key_inited = TRUE;
5236 pthread_key_create (&lmf_addr_key, NULL);
5238 pthread_setspecific (lmf_addr_key, &tls->lmf);
5242 /*========================= End of Function ========================*/
5244 /*------------------------------------------------------------------*/
5246 /* Name - mono_arch_free_jit_tls_data */
5248 /* Function - Free tls data. */
5250 /*------------------------------------------------------------------*/
5253 mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
5258 /*========================= End of Function ========================*/
5260 /*------------------------------------------------------------------*/
5262 /* Name - mono_arch_emit_this_vret_args */
5266 /*------------------------------------------------------------------*/
5269 mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
5271 int this_dreg = s390_r2;
5274 this_dreg = s390_r3;
5276 /* add the this argument */
5277 if (this_reg != -1) {
5279 MONO_INST_NEW (cfg, this, OP_MOVE);
5280 this->type = this_type;
5281 this->sreg1 = this_reg;
5282 this->dreg = mono_regstate_next_int (cfg->rs);
5283 mono_bblock_add_inst (cfg->cbb, this);
5284 mono_call_inst_add_outarg_reg (cfg, inst, this->dreg, this_dreg, FALSE);
5289 MONO_INST_NEW (cfg, vtarg, OP_MOVE);
5290 vtarg->type = STACK_MP;
5291 vtarg->sreg1 = vt_reg;
5292 vtarg->dreg = mono_regstate_next_int (cfg->rs);
5293 mono_bblock_add_inst (cfg->cbb, vtarg);
5294 mono_call_inst_add_outarg_reg (cfg, inst, vtarg->dreg, s390_r2, FALSE);
5298 /*========================= End of Function ========================*/
5300 /*------------------------------------------------------------------*/
5302 /* Name - mono_arch_get_inst_for_method */
5304 /* Function - Check for opcodes we can handle directly in */
5307 /*------------------------------------------------------------------*/
5310 mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod,
5311 MonoMethodSignature *fsig, MonoInst **args)
5313 MonoInst *ins = NULL;
5315 if (cmethod->klass == mono_defaults.math_class) {
5316 if (strcmp (cmethod->name, "Sqrt") == 0) {
5317 MONO_INST_NEW (cfg, ins, OP_SQRT);
5318 ins->inst_i0 = args [0];
5325 /*========================= End of Function ========================*/
5327 /*------------------------------------------------------------------*/
5329 /* Name - mono_arch_emit_inst_for_method */
5331 /*------------------------------------------------------------------*/
5334 mono_arch_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
5339 /*========================= End of Function ========================*/
5342 mono_arch_decompose_opts (MonoCompile *cfg, MonoInst *ins)
5344 switch (ins->opcode) {
5346 ins->opcode = OP_S390_ISUB_OVF;
5348 case OP_ISUB_OVF_UN:
5349 ins->opcode = OP_S390_ISUB_OVF_UN;
5352 ins->opcode = OP_S390_IADD_OVF;
5354 case OP_IADD_OVF_UN:
5355 ins->opcode = OP_S390_IADD_OVF_UN;
5362 /*========================= End of Function ========================*/
5364 /*------------------------------------------------------------------*/
5366 /* Name - mono_arch_decompose_long_opts */
5368 /*------------------------------------------------------------------*/
5371 mono_arch_decompose_long_opts (MonoCompile *cfg, MonoInst *ins)
5373 // The generic code seems to work for OP_LSUB fine on s390, why is a different
5374 // implementation needed ? gcc also seems to use the different implementation.
5375 // FIXME: What about the other OP_L opcodes below ?
5377 switch (ins->opcode) {
5379 case OP_LADD_OVF_UN:
5381 case OP_LSUB_OVF_UN: {
5384 switch (ins->opcode) {
5386 opcode = OP_S390_LADD;
5389 opcode = OP_S390_LADD_OVF;
5391 case OP_LADD_OVF_UN:
5392 opcode = OP_S390_LADD_OVF_UN;
5395 opcode = OP_S390_LSUB;
5398 opcode = OP_S390_LSUB_OVF;
5400 case OP_LSUB_OVF_UN:
5401 opcode = OP_S390_LSUB_OVF_UN;
5404 g_assert_not_reached ();
5407 /* These hard regs make ssa crazy */
5408 cfg->disable_ssa = TRUE;
5409 MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r0, ins->sreg1 + 1);
5410 MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, s390_r1, ins->sreg1 + 2);
5411 MONO_EMIT_NEW_BIALU (cfg, opcode, ins->dreg, ins->sreg2 + 1, ins->sreg2 + 2);
5416 int dreg = mono_alloc_dreg (cfg, STACK_I8);
5417 MONO_EMIT_NEW_I8CONST (cfg, dreg, ins->inst_l);
5418 MONO_EMIT_NEW_BIALU (cfg, OP_LADD, ins->dreg, ins->sreg1, dreg);
5423 int dreg = mono_alloc_dreg (cfg, STACK_I8);
5424 MONO_EMIT_NEW_I8CONST (cfg, dreg, ins->inst_l);
5425 MONO_EMIT_NEW_BIALU (cfg, OP_LSUB, ins->dreg, ins->sreg1, dreg);
5430 MONO_EMIT_NEW_BIALU (cfg, OP_S390_LNEG, ins->dreg, ins->sreg1 + 1, ins->sreg1 + 2);
5435 ins->opcode = OP_S390_ISUB_OVF;
5437 case OP_ISUB_OVF_UN:
5438 ins->opcode = OP_S390_ISUB_OVF_UN;
5445 /*========================= End of Function ========================*/
5447 /*------------------------------------------------------------------*/
5449 /* Name - mono_arch_print_tree */
5451 /* Function - Print platform-specific opcode details. */
5453 /* Returns - 1 - opcode details have been printed */
5454 /* 0 - opcode details have not been printed */
5456 /*------------------------------------------------------------------*/
5459 mono_arch_print_tree (MonoInst *tree, int arity)
5463 switch (tree->opcode) {
5464 case OP_S390_LOADARG:
5465 case OP_S390_ARGREG:
5466 case OP_S390_ARGPTR:
5467 printf ("[0x%lx(%s)]", tree->inst_offset,
5468 mono_arch_regname (tree->inst_basereg));
5471 case OP_S390_STKARG:
5472 printf ("[0x%lx(previous_frame)]",
5477 printf ("[0x%lx(%d,%s),0x%lx(%s)]",
5478 tree->inst_offset, tree->backend.size,
5479 mono_arch_regname(tree->dreg), tree->inst_imm,
5480 mono_arch_regname(tree->sreg1));
5483 case OP_S390_SETF4RET:
5485 mono_arch_fregname (tree->dreg),
5486 mono_arch_fregname (tree->sreg1));
5490 printf ("[0x%lx(0x%lx,%s)]", tree->inst_offset,
5492 mono_arch_regname (tree->sreg1));
5495 case OP_S390_BKCHAIN:
5496 printf ("[previous_frame(%s)]",
5497 mono_arch_regname (tree->sreg1));
5506 /*========================= End of Function ========================*/
5508 /*------------------------------------------------------------------*/
5510 /* Name - mono_arch_regalloc_cost */
5512 /* Function - Determine the cost, in the number of memory */
5513 /* references, of the action of allocating the var- */
5514 /* iable VMV into a register during global register */
5517 /* Returns - Cost */
5519 /*------------------------------------------------------------------*/
5522 mono_arch_regalloc_cost (MonoCompile *cfg, MonoMethodVar *vmv)
5528 /*========================= End of Function ========================*/
5530 /*------------------------------------------------------------------*/
5532 /* Name - mono_arch_get_domain_intrinsic */
5538 /*------------------------------------------------------------------*/
5541 mono_arch_get_domain_intrinsic (MonoCompile* cfg)
5545 if (appdomain_tls_offset == -1)
5548 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
5549 ins->inst_offset = appdomain_tls_offset;
5553 /*========================= End of Function ========================*/
5555 /*------------------------------------------------------------------*/
5557 /* Name - mono_arch_get_thread_intrinsic */
5563 /*------------------------------------------------------------------*/
5566 mono_arch_get_thread_intrinsic (MonoCompile* cfg)
5570 if (thread_tls_offset == -1)
5573 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
5574 ins->inst_offset = thread_tls_offset;
5578 /*========================= End of Function ========================*/
5580 /*------------------------------------------------------------------*/
5582 /* Name - mono_arch_flush_register_windows */
5588 /*------------------------------------------------------------------*/
5591 mono_arch_flush_register_windows (void)
5595 /*========================= End of Function ========================*/
5597 /*------------------------------------------------------------------*/
5599 /* Name - mono_arch_get_lmf_addr */
5605 /*------------------------------------------------------------------*/
5608 mono_arch_get_lmf_addr (void)
5610 return pthread_getspecific (lmf_addr_key);
5614 /*========================= End of Function ========================*/
5616 /*------------------------------------------------------------------*/
5618 /* Name - mono_arch_get_patch_offset */
5620 /* Function - Dummy entry point until s390x supports aot. */
5622 /* Returns - Offset for patch. */
5624 /*------------------------------------------------------------------*/
5627 mono_arch_get_patch_offset (guint8 *code)
5632 /*========================= End of Function ========================*/
5635 mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
5637 /* FIXME: implement */
5638 g_assert_not_reached ();