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_lgr (code, ins->dreg, ins->sreg1); \
106 #define CHECK_SRCDST_NCOM \
107 if (ins->dreg == ins->sreg2) { \
109 s390_lgr (code, s390_r13, ins->sreg2); \
113 if (ins->dreg != ins->sreg1) { \
114 s390_lgr (code, ins->dreg, ins->sreg1); \
117 #define CHECK_SRCDST_COM_I \
118 if (ins->dreg == ins->sreg2) { \
122 if (ins->dreg != ins->sreg1) { \
123 s390_lgfr (code, ins->dreg, ins->sreg1); \
127 #define CHECK_SRCDST_NCOM_I \
128 if (ins->dreg == ins->sreg2) { \
130 s390_lgfr (code, s390_r13, ins->sreg2); \
134 if (ins->dreg != ins->sreg1) { \
135 s390_lgfr (code, ins->dreg, ins->sreg1); \
138 #define CHECK_SRCDST_COM_F \
139 if (ins->dreg == ins->sreg2) { \
143 if (ins->dreg != ins->sreg1) { \
144 s390_ldr (code, ins->dreg, ins->sreg1); \
148 #define CHECK_SRCDST_NCOM_F \
149 if (ins->dreg == ins->sreg2) { \
151 s390_ldr (code, s390_r13, ins->sreg2); \
155 if (ins->dreg != ins->sreg1) { \
156 s390_ldr (code, ins->dreg, ins->sreg1); \
159 #define MONO_EMIT_NEW_MOVE2(cfg,dest,offset,src,imm,size) do { \
163 MONO_INST_NEW (cfg, inst, OP_NOP); \
165 tmpr = mono_alloc_preg (cfg); \
166 MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
168 inst->inst_offset = offset; \
170 inst->inst_imm = imm; \
171 inst->sreg2 = tmpr; \
173 if (s390_is_uimm12(offset)) { \
175 inst->inst_offset = offset; \
177 dReg = mono_alloc_preg (cfg); \
178 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
179 dReg, dest, offset); \
181 inst->inst_offset = 0; \
183 if (s390_is_uimm12(imm)) { \
185 inst->inst_imm = imm; \
187 sReg = mono_alloc_preg (cfg); \
188 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
190 inst->sreg1 = sReg; \
191 inst->inst_imm = 0; \
194 inst->opcode = OP_S390_MOVE; \
195 inst->backend.size = size; \
196 MONO_ADD_INS (cfg->cbb, inst); \
199 #define MONO_OUTPUT_VTR2(cfg, size, dr, sr, so) do { \
200 int reg = mono_alloc_preg (cfg); \
203 MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
206 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
210 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
214 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
218 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI8_MEMBASE, \
222 mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
225 #define MONO_OUTPUT_VTS2(cfg, size, dr, dx, sr, so) do { \
229 tmpr = mono_alloc_preg (cfg); \
230 MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
231 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
235 tmpr = mono_alloc_preg (cfg); \
236 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
238 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
242 tmpr = mono_alloc_preg (cfg); \
243 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
245 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
249 tmpr = mono_alloc_preg (cfg); \
250 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
252 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
256 MONO_EMIT_NEW_MOVE2 (cfg, dr, dx, sr, so, size); \
262 #define DEBUG(a) if (cfg->verbose_level > 1) a
266 #define S390_TRACE_STACK_SIZE (5*sizeof(gpointer)+4*sizeof(gdouble))
268 #define MAX(a, b) ((a) > (b) ? (a) : (b))
270 /*========================= End of Defines =========================*/
272 /*------------------------------------------------------------------*/
273 /* I n c l u d e s */
274 /*------------------------------------------------------------------*/
279 #include <mono/metadata/appdomain.h>
280 #include <mono/metadata/debug-helpers.h>
281 #include <mono/metadata/profiler-private.h>
282 #include <mono/utils/mono-math.h>
284 #include "mini-s390x.h"
286 #include "cpu-s390x.h"
287 #include "jit-icalls.h"
289 /*========================= End of Includes ========================*/
291 /*------------------------------------------------------------------*/
292 /* T y p e d e f s */
293 /*------------------------------------------------------------------*/
305 /*------------------------------------------------------------------*/
306 /* Used by the instrument_emit_epilog */
307 /*------------------------------------------------------------------*/
318 typedef struct InstList InstList;
332 RegTypeStructByValInFP,
337 gint32 offset; /* offset from caller's stack */
338 gint32 offparm; /* offset from callee's stack */
339 guint16 vtsize; /* in param area */
342 guint32 size; /* Size of structure used by RegTypeStructByVal */
343 gint32 type; /* Data type of argument */
358 gint64 gr[5]; /* R2-R6 */
359 gdouble fp[3]; /* F0-F2 */
360 } __attribute__ ((packed)) RegParm;
362 /*========================= End of Typedefs ========================*/
364 /*------------------------------------------------------------------*/
365 /* P r o t o t y p e s */
366 /*------------------------------------------------------------------*/
368 static void indent (int);
369 static guint8 * backUpStackPtr(MonoCompile *, guint8 *);
370 static void decodeParm (MonoType *, void *, int);
371 static void enter_method (MonoMethod *, RegParm *, char *);
372 static void leave_method (MonoMethod *, ...);
373 static gboolean is_regsize_var (MonoType *);
374 static inline void add_general (guint *, size_data *, ArgInfo *);
375 static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
376 static inline void add_float (guint *, size_data *, ArgInfo *);
377 static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
378 static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
379 gpointer mono_arch_get_lmf_addr (void);
380 static guint8 * emit_load_volatile_arguments (guint8 *, MonoCompile *);
381 static void catch_SIGILL(int, siginfo_t *, void *);
382 static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *, int);
384 /*========================= End of Prototypes ======================*/
386 /*------------------------------------------------------------------*/
387 /* G l o b a l V a r i a b l e s */
388 /*------------------------------------------------------------------*/
390 int mono_exc_esp_offset = 0;
392 static int indent_level = 0;
396 static gboolean tls_offset_inited = FALSE;
398 static int appdomain_tls_offset = -1,
399 thread_tls_offset = -1;
401 pthread_key_t lmf_addr_key;
403 gboolean lmf_addr_key_inited = FALSE;
407 extern __thread MonoDomain *tls_appdomain;
408 extern __thread MonoThread *tls_current_object;
409 extern __thread gpointer mono_lmf_addr;
413 /*====================== End of Global Variables ===================*/
415 /*------------------------------------------------------------------*/
417 /* Name - mono_arch_regname */
419 /* Function - Returns the name of the register specified by */
420 /* the input parameter. */
422 /*------------------------------------------------------------------*/
425 mono_arch_regname (int reg) {
426 static const char * rnames[] = {
427 "s390_r0", "s390_sp", "s390_r2", "s390_r3", "s390_r4",
428 "s390_r5", "s390_r6", "s390_r7", "s390_r8", "s390_r9",
429 "s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
433 if (reg >= 0 && reg < 16)
439 /*========================= End of Function ========================*/
441 /*------------------------------------------------------------------*/
443 /* Name - mono_arch_fregname */
445 /* Function - Returns the name of the register specified by */
446 /* the input parameter. */
448 /*------------------------------------------------------------------*/
451 mono_arch_fregname (int reg) {
452 static const char * rnames[] = {
453 "s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
454 "s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
455 "s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
459 if (reg >= 0 && reg < 16)
465 /*========================= End of Function ========================*/
467 /*------------------------------------------------------------------*/
469 /* Name - arch_get_argument_info */
471 /* Function - Gathers information on parameters such as size, */
472 /* alignment, and padding. arg_info should be large */
473 /* enough to hold param_count + 1 entries. */
475 /* Parameters - @csig - Method signature */
476 /* @param_count - No. of parameters to consider */
477 /* @arg_info - An array to store the result info */
479 /* Returns - Size of the activation frame */
481 /*------------------------------------------------------------------*/
484 mono_arch_get_argument_info (MonoMethodSignature *csig,
486 MonoJitArgumentInfo *arg_info)
488 int k, frame_size = 0;
489 int size, align, pad;
492 if (MONO_TYPE_ISSTRUCT (csig->ret)) {
493 frame_size += sizeof (gpointer);
497 arg_info [0].offset = offset;
500 frame_size += sizeof (gpointer);
504 arg_info [0].size = frame_size;
506 for (k = 0; k < param_count; k++) {
509 size = mono_type_native_stack_size (csig->params [k], &align);
511 size = mini_type_stack_size (NULL, csig->params [k], &align);
513 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
514 arg_info [k].pad = pad;
516 arg_info [k + 1].pad = 0;
517 arg_info [k + 1].size = size;
519 arg_info [k + 1].offset = offset;
523 align = MONO_ARCH_FRAME_ALIGNMENT;
524 frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
525 arg_info [k].pad = pad;
530 /*========================= End of Function ========================*/
532 /*------------------------------------------------------------------*/
534 /* Name - retFitsInReg. */
536 /* Function - Determines if a value can be returned in one or */
539 /*------------------------------------------------------------------*/
541 static inline gboolean
542 retFitsInReg(guint32 size)
557 /*========================= End of Function ========================*/
559 /*------------------------------------------------------------------*/
561 /* Name - backStackPtr. */
563 /* Function - Restore Stack Pointer to previous frame. */
565 /*------------------------------------------------------------------*/
567 static inline guint8 *
568 backUpStackPtr(MonoCompile *cfg, guint8 *code)
570 int stackSize = cfg->stack_usage;
572 if (s390_is_imm16 (stackSize)) {
573 s390_aghi (code, STK_BASE, stackSize);
575 while (stackSize > 32767) {
576 s390_aghi (code, STK_BASE, 32767);
579 s390_aghi (code, STK_BASE, stackSize);
584 /*========================= End of Function ========================*/
586 /*------------------------------------------------------------------*/
590 /* Function - Perform nice indenting to current level */
592 /*------------------------------------------------------------------*/
598 indent_level += diff;
605 indent_level += diff;
608 /*========================= End of Function ========================*/
610 /*------------------------------------------------------------------*/
612 /* Name - decodeParm */
614 /* Function - Decode a parameter for the trace. */
616 /*------------------------------------------------------------------*/
619 decodeParm(MonoType *type, void *curParm, int size)
624 printf("[BYREF:%p], ", *((char **) curParm));
626 simpleType = mono_type_get_underlying_type(type)->type;
628 switch (simpleType) {
630 printf ("[INTPTR:%p], ", *((int **) curParm));
633 printf ("[UINTPTR:%p], ", *((int **) curParm));
635 case MONO_TYPE_BOOLEAN :
636 printf ("[BOOL:%ld], ", *((gint64 *) curParm));
638 case MONO_TYPE_CHAR :
639 printf ("[CHAR:%c], ", *((int *) curParm));
642 printf ("[INT1:%ld], ", *((gint64 *) curParm));
645 printf ("[INT2:%ld], ", *((gint64 *) curParm));
648 printf ("[INT4:%ld], ", *((gint64 *) curParm));
651 printf ("[UINT1:%lu], ", *((guint64 *) curParm));
654 printf ("[UINT2:%lu], ", *((guint64 *) curParm));
657 printf ("[UINT4:%lu], ", *((guint64 *) curParm));
660 printf ("[UINT8:%lu], ", *((guint64 *) curParm));
662 case MONO_TYPE_STRING : {
663 MonoString *s = *((MonoString **) curParm);
665 g_assert (((MonoObject *) s)->vtable->klass == mono_defaults.string_class);
666 printf("[STRING:%p:%s], ", s, mono_string_to_utf8(s));
668 printf("[STRING:null], ");
672 case MONO_TYPE_CLASS :
673 case MONO_TYPE_OBJECT : {
674 MonoObject *obj = *((MonoObject **) curParm);
676 if ((obj) && (obj->vtable)) {
677 printf("[CLASS/OBJ:");
678 class = obj->vtable->klass;
679 printf("%p [%p] ",obj,curParm);
680 if (class == mono_defaults.string_class) {
681 printf("[STRING:%p:%s]",
682 obj, mono_string_to_utf8 ((MonoString *) obj));
683 } else if (class == mono_defaults.int32_class) {
684 printf("[INT32:%p:%d]",
685 obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
688 class->name_space, class->name, obj);
691 printf("[OBJECT:null], ");
696 printf("[PTR:%p], ", *((gpointer **) (curParm)));
698 case MONO_TYPE_FNPTR :
699 printf("[FNPTR:%p], ", *((gpointer **) (curParm)));
701 case MONO_TYPE_ARRAY :
702 printf("[ARRAY:%p], ", *((gpointer **) (curParm)));
704 case MONO_TYPE_SZARRAY :
705 printf("[SZARRAY:%p], ", *((gpointer **) (curParm)));
708 printf("[INT8:%ld], ", *((gint64 *) (curParm)));
711 printf("[FLOAT4:%g], ", *((float *) (curParm)));
714 printf("[FLOAT8:%g], ", *((double *) (curParm)));
716 case MONO_TYPE_VALUETYPE : {
718 MonoMarshalType *info;
720 if (type->data.klass->enumtype) {
721 simpleType = type->data.klass->enum_basetype->type;
722 printf("{VALUETYPE} - ");
726 info = mono_marshal_load_type_info (type->data.klass);
728 if ((info->native_size == sizeof(float)) &&
729 (info->num_fields == 1) &&
730 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
731 printf("[FLOAT4:%f], ", *((float *) (curParm)));
735 if ((info->native_size == sizeof(double)) &&
736 (info->num_fields == 1) &&
737 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
738 printf("[FLOAT8:%g], ", *((double *) (curParm)));
742 printf("[VALUETYPE:");
743 for (i = 0; i < size; i++)
744 printf("%02x,", *((guint8 *)curParm+i));
748 case MONO_TYPE_TYPEDBYREF: {
750 printf("[TYPEDBYREF:");
751 for (i = 0; i < size; i++)
752 printf("%02x,", *((guint8 *)curParm+i));
757 printf("[?? - %d], ",simpleType);
762 /*========================= End of Function ========================*/
764 /*------------------------------------------------------------------*/
766 /* Name - enter_method */
768 /* Function - Perform tracing of the entry to the current */
771 /*------------------------------------------------------------------*/
774 enter_method (MonoMethod *method, RegParm *rParm, char *sp)
776 int i, oParm = 0, iParm = 0;
779 MonoMethodSignature *sig;
786 fname = mono_method_full_name (method, TRUE);
788 printf ("ENTER: %s ", fname);
791 ip = (*(guint64 *) (sp+S390_RET_ADDR_OFFSET));
792 printf ("ip: %p sp: %p - ", (gpointer) ip, sp);
797 sig = mono_method_signature (method);
799 cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
801 if (cinfo->struct_ret) {
802 printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
807 gpointer *this = (gpointer *) rParm->gr[iParm];
808 obj = (MonoObject *) this;
809 if (method->klass->valuetype) {
811 printf("this:[value:%p:%016lx], ",
812 this, *((guint64 *)(this+sizeof(MonoObject))));
814 printf ("this:[NULL], ");
817 class = obj->vtable->klass;
818 if (class == mono_defaults.string_class) {
819 printf ("this:[STRING:%p:%s], ",
820 obj, mono_string_to_utf8 ((MonoString *)obj));
822 printf ("this:%p[%s.%s], ",
823 obj, class->name_space, class->name);
826 printf ("this:NULL, ");
831 for (i = 0; i < sig->param_count; ++i) {
832 ainfo = &cinfo->args[i + oParm];
833 switch (ainfo->regtype) {
834 case RegTypeGeneral :
835 decodeParm(sig->params[i], &(rParm->gr[ainfo->reg-2]), ainfo->size);
838 decodeParm(sig->params[i], &(rParm->fp[ainfo->reg]), ainfo->size);
841 decodeParm(sig->params[i], sp+ainfo->offset, ainfo->size);
843 case RegTypeStructByVal :
844 if (ainfo->reg != STK_BASE) {
845 int offset = sizeof(glong) - ainfo->size;
846 curParm = &(rParm->gr[ainfo->reg-2])+offset;
849 curParm = sp+ainfo->offset;
851 if (retFitsInReg (ainfo->vtsize))
852 decodeParm(sig->params[i],
856 decodeParm(sig->params[i],
857 *((char **) curParm),
860 case RegTypeStructByAddr :
861 if (ainfo->reg != STK_BASE)
862 curParm = &(rParm->gr[ainfo->reg-2]);
864 curParm = sp+ainfo->offset;
866 decodeParm(sig->params[i],
867 *((char **) curParm),
879 /*========================= End of Function ========================*/
881 /*------------------------------------------------------------------*/
883 /* Name - leave_method */
887 /*------------------------------------------------------------------*/
890 leave_method (MonoMethod *method, ...)
897 va_start(ap, method);
899 fname = mono_method_full_name (method, TRUE);
901 printf ("LEAVE: %s", fname);
904 type = mono_method_signature (method)->ret;
907 switch (type->type) {
910 case MONO_TYPE_BOOLEAN: {
911 int val = va_arg (ap, int);
913 printf ("[TRUE:%d]", val);
919 case MONO_TYPE_CHAR: {
920 int val = va_arg (ap, int);
921 printf ("[CHAR:%d]", val);
925 int val = va_arg (ap, int);
926 printf ("[INT1:%d]", val);
930 int val = va_arg (ap, int);
931 printf ("[UINT1:%d]", val);
935 int val = va_arg (ap, int);
936 printf ("[INT2:%d]", val);
940 int val = va_arg (ap, int);
941 printf ("[UINT2:%d]", val);
945 int val = va_arg (ap, int);
946 printf ("[INT4:%d]", val);
950 int val = va_arg (ap, int);
951 printf ("[UINT4:%d]", val);
955 gint64 val = va_arg (ap, gint64);
956 printf ("[INT:%ld]", val);
961 gint64 val = va_arg (ap, gint64);
962 printf ("[UINT:%lu]", val);
966 case MONO_TYPE_STRING: {
967 MonoString *s = va_arg (ap, MonoString *);
970 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
971 printf ("[STRING:%p:%s]", s, mono_string_to_utf8 (s));
973 printf ("[STRING:null], ");
976 case MONO_TYPE_CLASS:
977 case MONO_TYPE_OBJECT: {
978 MonoObject *o = va_arg (ap, MonoObject *);
980 if ((o) && (o->vtable)) {
981 if (o->vtable->klass == mono_defaults.boolean_class) {
982 printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
983 } else if (o->vtable->klass == mono_defaults.int32_class) {
984 printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
985 } else if (o->vtable->klass == mono_defaults.int64_class) {
986 printf ("[INT64:%p:%ld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
988 printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
990 printf ("[OBJECT:%p]", o);
995 case MONO_TYPE_FNPTR:
996 case MONO_TYPE_ARRAY:
997 case MONO_TYPE_SZARRAY: {
998 gpointer p = va_arg (ap, gpointer);
999 printf ("[result=%p]", p);
1002 case MONO_TYPE_I8: {
1003 gint64 l = va_arg (ap, gint64);
1004 printf ("[LONG:%ld]", l);
1007 case MONO_TYPE_U8: {
1008 guint64 l = va_arg (ap, guint64);
1009 printf ("[ULONG:%lu]", l);
1012 case MONO_TYPE_R4: {
1013 double f = va_arg (ap, double);
1014 printf ("[FLOAT4:%g]\n", f);
1017 case MONO_TYPE_R8: {
1018 double f = va_arg (ap, double);
1019 printf ("[FLOAT8:%g]\n", f);
1022 case MONO_TYPE_VALUETYPE: {
1023 MonoMarshalType *info;
1024 if (type->data.klass->enumtype) {
1025 type = type->data.klass->enum_basetype;
1028 guint8 *p = va_arg (ap, gpointer);
1031 info = mono_marshal_load_type_info (type->data.klass);
1033 if ((info->native_size == sizeof(float)) &&
1034 (info->num_fields == 1) &&
1035 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
1036 double f = va_arg (ap, double);
1037 printf("[FLOAT4:%g]\n", (double) f);
1041 if ((info->native_size == sizeof(double)) &&
1042 (info->num_fields == 1) &&
1043 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
1044 double f = va_arg (ap, double);
1045 printf("[FLOAT8:%g]\n", f);
1049 size = mono_type_size (type, &align);
1056 for (j = 0; p && j < size; j++)
1057 printf ("%02x,", p [j]);
1061 printf ("[VALUETYPE]\n");
1066 case MONO_TYPE_TYPEDBYREF: {
1067 guint8 *p = va_arg (ap, gpointer);
1069 size = mono_type_size (type, &align);
1076 for (j = 0; p && j < size; j++)
1077 printf ("%02x,", p [j]);
1081 printf ("[TYPEDBYREF]\n");
1086 printf ("(unknown return type %x)",
1087 mono_method_signature (method)->ret->type);
1090 ip = ((gint64) __builtin_return_address (0));
1091 printf (" ip: %p\n", (gpointer) ip);
1094 /*========================= End of Function ========================*/
1096 /*------------------------------------------------------------------*/
1098 /* Name - catch_SIGILL */
1100 /* Function - Catch SIGILL as a result of testing for long */
1101 /* displacement facility. */
1103 /*------------------------------------------------------------------*/
1106 catch_SIGILL(int sigNo, siginfo_t *info, void *act) {
1112 /*========================= End of Function ========================*/
1114 /*------------------------------------------------------------------*/
1116 /* Name - mono_arch_cpu_init */
1118 /* Function - Perform CPU specific initialization to execute */
1121 /*------------------------------------------------------------------*/
1124 mono_arch_cpu_init (void)
1126 struct sigaction sa,
1130 /*--------------------------------------*/
1131 /* Set default rounding mode for FP */
1132 /*--------------------------------------*/
1133 __asm__ ("SRNM\t%0\n\t"
1136 /*--------------------------------------*/
1137 /* Determine if we have long displace- */
1138 /* ment facility on this processor */
1139 /*--------------------------------------*/
1140 sa.sa_sigaction = catch_SIGILL;
1141 sigemptyset (&sa.sa_mask);
1142 sa.sa_flags = SA_SIGINFO;
1144 sigaction (SIGILL, &sa, oldSa);
1146 /*--------------------------------------*/
1147 /* We test by executing the STY inst */
1148 /*--------------------------------------*/
1149 __asm__ ("LGHI\t0,1\n\t"
1151 ".byte\t0xe3,0x00,0x10,0x00,0x00,0x50\n\t"
1152 : "=m" (has_ld) : : "0", "1");
1154 sigaction (SIGILL, oldSa, NULL);
1157 /*========================= End of Function ========================*/
1161 * Initialize architecture specific code.
1164 mono_arch_init (void)
1169 * Cleanup architecture specific code.
1172 mono_arch_cleanup (void)
1176 /*------------------------------------------------------------------*/
1178 /* Name - mono_arch_cpu_optimizazions */
1180 /* Function - Returns the optimizations supported on this CPU */
1182 /*------------------------------------------------------------------*/
1185 mono_arch_cpu_optimizazions (guint32 *exclude_mask)
1189 /*----------------------------------------------------------*/
1190 /* No s390-specific optimizations yet */
1191 /*----------------------------------------------------------*/
1192 *exclude_mask = MONO_OPT_INLINE|MONO_OPT_LINEARS;
1193 // *exclude_mask = MONO_OPT_INLINE;
1197 /*========================= End of Function ========================*/
1199 /*------------------------------------------------------------------*/
1205 /*------------------------------------------------------------------*/
1208 is_regsize_var (MonoType *t) {
1211 switch (mono_type_get_underlying_type (t)->type) {
1219 case MONO_TYPE_FNPTR:
1221 case MONO_TYPE_OBJECT:
1222 case MONO_TYPE_STRING:
1223 case MONO_TYPE_CLASS:
1224 case MONO_TYPE_SZARRAY:
1225 case MONO_TYPE_ARRAY:
1227 case MONO_TYPE_VALUETYPE:
1228 if (t->data.klass->enumtype)
1229 return is_regsize_var (t->data.klass->enum_basetype);
1235 /*========================= End of Function ========================*/
1237 /*------------------------------------------------------------------*/
1239 /* Name - mono_arch_get_allocatable_int_vars */
1243 /*------------------------------------------------------------------*/
1246 mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
1251 for (i = 0; i < cfg->num_varinfo; i++) {
1252 MonoInst *ins = cfg->varinfo [i];
1253 MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
1256 if (vmv->range.first_use.abs_pos >= vmv->range.last_use.abs_pos)
1259 if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) ||
1260 (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
1263 /* we can only allocate 32 bit values */
1264 if (is_regsize_var (ins->inst_vtype)) {
1265 g_assert (MONO_VARINFO (cfg, i)->reg == -1);
1266 g_assert (i == vmv->idx);
1267 vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
1274 /*========================= End of Function ========================*/
1276 /*------------------------------------------------------------------*/
1278 /* Name - mono_arch_global_int_regs */
1280 /* Function - Return a list of usable integer registers. */
1282 /*------------------------------------------------------------------*/
1285 mono_arch_get_global_int_regs (MonoCompile *cfg)
1288 MonoMethodHeader *header;
1291 header = mono_method_get_header (cfg->method);
1292 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1293 cfg->frame_reg = s390_r11;
1296 /* FIXME: s390_r12 is reserved for bkchain_reg. Only reserve it if needed */
1298 for (i = 8; i < top; ++i) {
1299 if (cfg->frame_reg != i)
1300 regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
1306 /*========================= End of Function ========================*/
1308 /*------------------------------------------------------------------*/
1310 /* Name - mono_arch_flush_icache */
1312 /* Function - Flush the CPU icache. */
1314 /*------------------------------------------------------------------*/
1317 mono_arch_flush_icache (guint8 *code, gint size)
1321 /*========================= End of Function ========================*/
1323 /*------------------------------------------------------------------*/
1325 /* Name - add_general */
1327 /* Function - Determine code and stack size incremements for a */
1330 /*------------------------------------------------------------------*/
1333 add_general (guint *gr, size_data *sz, ArgInfo *ainfo)
1335 if (*gr > S390_LAST_ARG_REG) {
1336 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1337 ainfo->offset = sz->stack_size;
1338 ainfo->reg = STK_BASE;
1339 ainfo->regtype = RegTypeBase;
1340 sz->stack_size += sizeof(long);
1341 sz->local_size += sizeof(long);
1342 sz->offStruct += sizeof(long);
1343 sz->code_size += 12;
1351 /*========================= End of Function ========================*/
1353 /*------------------------------------------------------------------*/
1355 /* Name - add_stackParm */
1357 /* Function - Determine code and stack size incremements for a */
1360 /*------------------------------------------------------------------*/
1363 add_stackParm (guint *gr, size_data *sz, ArgInfo *ainfo, gint size)
1365 if (*gr > S390_LAST_ARG_REG) {
1366 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1367 ainfo->reg = STK_BASE;
1368 ainfo->offset = sz->stack_size;
1369 sz->stack_size += sizeof (gpointer);
1370 sz->parm_size += sizeof(gpointer);
1371 sz->offStruct += sizeof(gpointer);
1374 ainfo->offset = sz->stack_size;
1377 ainfo->offparm = sz->offset;
1378 sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
1380 ainfo->regtype = RegTypeStructByAddr;
1381 ainfo->vtsize = size;
1382 sz->parm_size += size;
1385 /*========================= End of Function ========================*/
1387 /*------------------------------------------------------------------*/
1389 /* Name - add_float */
1391 /* Function - Determine code and stack size incremements for a */
1392 /* float parameter. */
1394 /*------------------------------------------------------------------*/
1397 add_float (guint *fr, size_data *sz, ArgInfo *ainfo)
1399 if ((*fr) <= S390_LAST_FPARG_REG) {
1400 ainfo->regtype = RegTypeFP;
1406 ainfo->offset = sz->stack_size;
1407 ainfo->reg = STK_BASE;
1408 ainfo->regtype = RegTypeBase;
1410 sz->stack_size += sizeof(double);
1411 sz->local_size += sizeof(double);
1412 sz->offStruct += sizeof(double);
1416 /*========================= End of Function ========================*/
1418 /*------------------------------------------------------------------*/
1420 /* Name - get_call_info */
1422 /* Function - Determine the amount of space required for code */
1423 /* and stack. In addition determine starting points */
1424 /* for stack-based parameters, and area for struct- */
1425 /* ures being returned on the stack. */
1427 /*------------------------------------------------------------------*/
1430 get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
1432 guint i, fr, gr, size;
1433 int nParm = sig->hasthis + sig->param_count;
1435 guint32 simpletype, align;
1438 MonoGenericSharingContext *gsctx = cfg ? cfg->generic_sharing_context : NULL;
1441 cinfo = mono_mempool_alloc0 (mp, sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
1443 cinfo = g_malloc0 (sizeof (CallInfo) + sizeof (ArgInfo) * nParm);
1448 cinfo->struct_ret = 0;
1452 sz->offStruct = S390_MINIMAL_STACK_SIZE;
1453 sz->stack_size = S390_MINIMAL_STACK_SIZE;
1458 /*----------------------------------------------------------*/
1459 /* We determine the size of the return code/stack in case we*/
1460 /* need to reserve a register to be used to address a stack */
1461 /* area that the callee will use. */
1462 /*----------------------------------------------------------*/
1464 ret_type = mono_type_get_underlying_type (sig->ret);
1465 ret_type = mini_get_basic_type_from_generic (gsctx, ret_type);
1466 simpletype = ret_type->type;
1468 switch (simpletype) {
1469 case MONO_TYPE_BOOLEAN:
1474 case MONO_TYPE_CHAR:
1479 case MONO_TYPE_CLASS:
1480 case MONO_TYPE_OBJECT:
1481 case MONO_TYPE_SZARRAY:
1482 case MONO_TYPE_ARRAY:
1484 case MONO_TYPE_FNPTR:
1485 case MONO_TYPE_STRING:
1486 cinfo->ret.reg = s390_r2;
1491 cinfo->ret.reg = s390_f0;
1496 cinfo->ret.reg = s390_r2;
1499 case MONO_TYPE_GENERICINST:
1500 if (!mono_type_generic_inst_is_valuetype (sig->ret)) {
1501 cinfo->ret.reg = s390_r2;
1506 case MONO_TYPE_VALUETYPE: {
1507 MonoClass *klass = mono_class_from_mono_type (sig->ret);
1508 if (klass->enumtype) {
1509 simpletype = klass->enum_basetype->type;
1513 size = mono_class_native_size (klass, &align);
1515 size = mono_class_value_size (klass, &align);
1517 cinfo->ret.reg = s390_r2;
1518 cinfo->struct_ret = 1;
1519 cinfo->ret.size = size;
1520 cinfo->ret.vtsize = size;
1524 case MONO_TYPE_TYPEDBYREF:
1525 size = sizeof (MonoTypedRef);
1526 cinfo->ret.reg = s390_r2;
1527 cinfo->struct_ret = 1;
1528 cinfo->ret.size = size;
1529 cinfo->ret.vtsize = size;
1532 case MONO_TYPE_VOID:
1535 g_error ("Can't handle as return value 0x%x", sig->ret->type);
1539 cinfo->args[nParm].size = sizeof(gpointer);
1540 add_general (&gr, sz, cinfo->args+nParm);
1544 /*----------------------------------------------------------*/
1545 /* We determine the size of the parameter code and stack */
1546 /* requirements by checking the types and sizes of the */
1548 /*----------------------------------------------------------*/
1550 for (i = 0; i < sig->param_count; ++i) {
1553 /*--------------------------------------------------*/
1554 /* Handle vararg type calls. All args are put on */
1556 /*--------------------------------------------------*/
1557 if ((sig->call_convention == MONO_CALL_VARARG) &&
1558 (i == sig->sentinelpos)) {
1559 gr = S390_LAST_ARG_REG + 1;
1560 add_general (&gr, sz, &cinfo->sigCookie);
1563 if (sig->params [i]->byref) {
1564 add_general (&gr, sz, cinfo->args+nParm);
1565 cinfo->args[nParm].size = sizeof(gpointer);
1570 ptype = mono_type_get_underlying_type (sig->params [i]);
1571 ptype = mini_get_basic_type_from_generic (gsctx, ptype);
1572 simpletype = ptype->type;
1573 cinfo->args[nParm].type = simpletype;
1574 switch (simpletype) {
1575 case MONO_TYPE_BOOLEAN:
1578 cinfo->args[nParm].size = sizeof(char);
1579 add_general (&gr, sz, cinfo->args+nParm);
1584 case MONO_TYPE_CHAR:
1585 cinfo->args[nParm].size = sizeof(short);
1586 add_general (&gr, sz, cinfo->args+nParm);
1591 cinfo->args[nParm].size = sizeof(int);
1592 add_general (&gr, sz, cinfo->args+nParm);
1598 case MONO_TYPE_FNPTR:
1599 case MONO_TYPE_CLASS:
1600 case MONO_TYPE_OBJECT:
1601 case MONO_TYPE_STRING:
1602 case MONO_TYPE_SZARRAY:
1603 case MONO_TYPE_ARRAY:
1604 cinfo->args[nParm].size = sizeof(gpointer);
1605 add_general (&gr, sz, cinfo->args+nParm);
1610 cinfo->args[nParm].size = sizeof(long long);
1611 add_general (&gr, sz, cinfo->args+nParm);
1615 cinfo->args[nParm].size = sizeof(float);
1616 add_float (&fr, sz, cinfo->args+nParm);
1620 cinfo->args[nParm].size = sizeof(double);
1621 add_float (&fr, sz, cinfo->args+nParm);
1624 case MONO_TYPE_GENERICINST:
1625 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
1626 cinfo->args[nParm].size = sizeof(gpointer);
1627 add_general (&gr, sz, cinfo->args+nParm);
1632 case MONO_TYPE_VALUETYPE: {
1633 MonoMarshalType *info;
1634 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
1636 size = mono_class_native_size (klass, &align);
1638 size = mono_class_value_size (klass, &align);
1640 info = mono_marshal_load_type_info (klass);
1642 if ((info->native_size == sizeof(float)) &&
1643 (info->num_fields == 1) &&
1644 (info->fields[0].field->type->type == MONO_TYPE_R4)) {
1645 cinfo->args[nParm].size = sizeof(float);
1646 add_float(&fr, sz, cinfo->args+nParm);
1651 if ((info->native_size == sizeof(double)) &&
1652 (info->num_fields == 1) &&
1653 (info->fields[0].field->type->type == MONO_TYPE_R8)) {
1654 cinfo->args[nParm].size = sizeof(double);
1655 add_float(&fr, sz, cinfo->args+nParm);
1660 cinfo->args[nParm].vtsize = 0;
1661 cinfo->args[nParm].size = 0;
1664 /*----------------------------------*/
1665 /* On S/390, structures of size 1, */
1666 /* 2, 4, and 8 bytes are passed in */
1667 /* (a) register(s). */
1668 /*----------------------------------*/
1674 add_general(&gr, sz, cinfo->args+nParm);
1675 cinfo->args[nParm].size = size;
1676 cinfo->args[nParm].regtype = RegTypeStructByVal;
1678 sz->local_size += sizeof(long);
1681 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1686 case MONO_TYPE_TYPEDBYREF: {
1687 int size = sizeof (MonoTypedRef);
1689 cinfo->args[nParm].vtsize = 0;
1690 cinfo->args[nParm].size = 0;
1693 /*----------------------------------*/
1694 /* On S/390, structures of size 1, */
1695 /* 2, 4, and 8 bytes are passed in */
1696 /* (a) register(s). */
1697 /*----------------------------------*/
1703 add_general(&gr, sz, cinfo->args+nParm);
1704 cinfo->args[nParm].size = size;
1705 cinfo->args[nParm].regtype = RegTypeStructByVal;
1707 sz->local_size += sizeof(long);
1710 add_stackParm(&gr, sz, cinfo->args+nParm, size);
1716 g_error ("Can't trampoline 0x%x", sig->params [i]->type);
1720 /*----------------------------------------------------------*/
1721 /* Handle the case where there are no implicit arguments */
1722 /*----------------------------------------------------------*/
1723 if ((sig->call_convention == MONO_CALL_VARARG) &&
1724 (sig->param_count == sig->sentinelpos)) {
1725 gr = S390_LAST_ARG_REG + 1;
1726 add_general (&gr, sz, &cinfo->sigCookie);
1729 /*----------------------------------------------------------*/
1730 /* If we are passing a structure back then if it won't be */
1731 /* in a register(s) then we make room at the end of the */
1732 /* parameters that may have been placed on the stack */
1733 /*----------------------------------------------------------*/
1734 if (cinfo->struct_ret) {
1735 cinfo->ret.offset = sz->stack_size;
1736 switch (cinfo->ret.size) {
1744 sz->stack_size += S390_ALIGN(cinfo->ret.size, align);
1749 sz->stack_size = sz->stack_size + sz->local_size + sz->parm_size +
1751 sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
1756 /*========================= End of Function ========================*/
1758 /*------------------------------------------------------------------*/
1760 /* Name - mono_arch_allocate_vars */
1762 /* Function - Set var information according to the calling */
1763 /* convention for S/390. The local var stuff should */
1764 /* most likely be split in another method. */
1766 /* Parameter - @m - Compile unit. */
1768 /*------------------------------------------------------------------*/
1771 mono_arch_allocate_vars (MonoCompile *cfg)
1773 MonoMethodSignature *sig;
1774 MonoMethodHeader *header;
1777 int iParm, iVar, offset, size, align, curinst;
1778 int frame_reg = STK_BASE;
1781 header = mono_method_get_header (cfg->method);
1783 cfg->flags |= MONO_CFG_HAS_SPILLUP;
1785 /*---------------------------------------------------------*/
1786 /* We use the frame register also for any method that has */
1787 /* filter clauses. This way, when the handlers are called, */
1788 /* the code will reference local variables using the frame */
1789 /* reg instead of the stack pointer: if we had to restore */
1790 /* the stack pointer, we'd corrupt the method frames that */
1791 /* are already on the stack (since filters get called */
1792 /* before stack unwinding happens) when the filter code */
1793 /* would call any method. */
1794 /*---------------------------------------------------------*/
1795 if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
1796 frame_reg = s390_r11;
1798 cfg->frame_reg = frame_reg;
1800 cfg->arch.bkchain_reg = -1;
1802 if (frame_reg != STK_BASE)
1803 cfg->used_int_regs |= 1 << frame_reg;
1805 sig = mono_method_signature (cfg->method);
1807 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
1809 if (cinfo->struct_ret) {
1811 cfg->vret_addr->opcode = OP_REGVAR;
1812 cfg->vret_addr->inst_c0 = s390_r2;
1815 switch (mono_type_get_underlying_type (sig->ret)->type) {
1816 case MONO_TYPE_VOID:
1819 cfg->ret->opcode = OP_REGVAR;
1820 cfg->ret->dreg = s390_r2;
1825 /*--------------------------------------------------------------*/
1826 /* local vars are at a positive offset from the stack pointer */
1827 /* also note that if the function uses alloca, we use s390_r11 */
1828 /* to point at the local variables. */
1829 /* add parameter area size for called functions */
1830 /*--------------------------------------------------------------*/
1831 offset = (cfg->param_area + S390_MINIMAL_STACK_SIZE);
1832 cfg->sig_cookie = 0;
1834 if (cinfo->struct_ret) {
1835 inst = cfg->vret_addr;
1836 offset = S390_ALIGN(offset, sizeof(gpointer));
1837 inst->inst_offset = offset;
1838 inst->opcode = OP_REGOFFSET;
1839 inst->inst_basereg = frame_reg;
1840 offset += sizeof(gpointer);
1841 if (!cfg->new_ir && (sig->call_convention == MONO_CALL_VARARG) &&
1842 (!retFitsInReg (cinfo->ret.size)))
1843 cfg->sig_cookie += cinfo->ret.size;
1844 if (G_UNLIKELY (cfg->verbose_level > 1)) {
1845 printf ("vret_addr =");
1846 mono_print_ins (cfg->vret_addr);
1851 inst = cfg->args [0];
1852 if (inst->opcode != OP_REGVAR) {
1853 inst->opcode = OP_REGOFFSET;
1854 inst->inst_basereg = frame_reg;
1855 offset = S390_ALIGN(offset, sizeof(gpointer));
1856 inst->inst_offset = offset;
1857 offset += sizeof (gpointer);
1864 eArg = sig->param_count + sArg;
1866 if (sig->call_convention == MONO_CALL_VARARG)
1867 cfg->sig_cookie += S390_MINIMAL_STACK_SIZE;
1869 for (iParm = sArg; iParm < eArg; ++iParm) {
1870 inst = cfg->args [curinst];
1871 if (inst->opcode != OP_REGVAR) {
1872 switch (cinfo->args[iParm].regtype) {
1873 case RegTypeStructByAddr :
1877 size = sizeof (gpointer);
1879 inst->opcode = OP_REGOFFSET;
1880 inst->inst_basereg = frame_reg;
1881 offset = S390_ALIGN (offset, sizeof (gpointer));
1882 inst->inst_offset = offset;
1884 /* Add a level of indirection */
1885 MONO_INST_NEW (cfg, indir, 0);
1887 inst->opcode = OP_VTARG_ADDR;
1888 inst->inst_left = indir;
1890 if (cinfo->args[iParm].reg == STK_BASE) {
1891 inst->opcode = OP_S390_LOADARG;
1892 inst->inst_basereg = frame_reg;
1893 offset = S390_ALIGN(offset, sizeof(long));
1894 inst->inst_offset = offset;
1895 size = abs(cinfo->args[iParm].vtsize);
1896 inst->backend.arg_info = cinfo->args[iParm].offset;
1898 inst->opcode = OP_S390_ARGREG;
1899 inst->inst_basereg = frame_reg;
1900 size = sizeof(gpointer);
1901 offset = S390_ALIGN(offset, size);
1902 inst->inst_offset = offset;
1903 inst->backend.arg_info = cinfo->args[iParm].offset;
1907 case RegTypeStructByVal :
1909 size = cinfo->args[iParm].size;
1910 offset = S390_ALIGN(offset, size);
1911 inst->opcode = OP_REGOFFSET;
1912 inst->inst_basereg = frame_reg;
1913 inst->inst_offset = offset;
1915 inst->opcode = OP_S390_ARGPTR;
1916 inst->inst_basereg = frame_reg;
1917 size = cinfo->args[iParm].size;
1918 offset = S390_ALIGN(offset, size);
1919 inst->inst_offset = offset;
1920 inst->backend.arg_info = cinfo->args[iParm].offset;
1925 if (cinfo->args [iParm].reg == STK_BASE) {
1927 * These arguments are in the previous frame, so we can't
1928 * compute their offset from the current frame pointer right
1929 * now, since cfg->stack_offset is not yet known, so dedicate a
1930 * register holding the previous frame pointer.
1932 cfg->arch.bkchain_reg = s390_r12;
1933 cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
1935 inst->opcode = OP_REGOFFSET;
1936 inst->inst_basereg = cfg->arch.bkchain_reg;
1937 size = (cinfo->args[iParm].size < 8
1938 ? 8 - cinfo->args[iParm].size
1940 inst->inst_offset = cinfo->args [iParm].offset + size;
1941 size = sizeof (long);
1943 inst->opcode = OP_REGOFFSET;
1944 inst->inst_basereg = frame_reg;
1945 size = (cinfo->args[iParm].size < 8
1948 offset = S390_ALIGN(offset, size);
1949 inst->inst_offset = offset;
1952 if (cinfo->args[iParm].reg != STK_BASE) {
1953 inst->opcode = OP_REGOFFSET;
1954 inst->inst_basereg = frame_reg;
1955 size = (cinfo->args[iParm].size < 8
1958 offset = S390_ALIGN(offset, size);
1959 inst->inst_offset = offset;
1961 inst->opcode = OP_S390_STKARG;
1962 inst->inst_basereg = frame_reg;
1963 size = ((cinfo->args[iParm].size < 8)
1964 ? 8 - cinfo->args[iParm].size
1966 inst->inst_offset = cinfo->args[iParm].offset +
1968 inst->backend.arg_info = 0;
1969 size = sizeof(long);
1974 if ((sig->call_convention == MONO_CALL_VARARG) &&
1975 (cinfo->args[iParm].regtype != RegTypeGeneral) &&
1976 (iParm < sig->sentinelpos))
1977 cfg->sig_cookie += size;
1984 curinst = cfg->locals_start;
1985 for (iVar = curinst; iVar < cfg->num_varinfo; ++iVar) {
1986 inst = cfg->varinfo [iVar];
1987 if ((inst->flags & MONO_INST_IS_DEAD) ||
1988 (inst->opcode == OP_REGVAR))
1991 /*--------------------------------------------------*/
1992 /* inst->backend.is_pinvoke indicates native sized value types, */
1993 /* this is used by the pinvoke wrappers when they */
1994 /* call functions returning structure */
1995 /*--------------------------------------------------*/
1996 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
1997 size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype), &align);
1999 size = mono_type_size (inst->inst_vtype, &align);
2001 offset = S390_ALIGN(offset, align);
2002 inst->inst_offset = offset;
2003 inst->opcode = OP_REGOFFSET;
2004 inst->inst_basereg = frame_reg;
2006 DEBUG (g_print("allocating local %d to %ld, size: %d\n",
2007 iVar, inst->inst_offset, size));
2010 /*------------------------------------------------------*/
2011 /* Allow space for the trace method stack area if needed*/
2012 /*------------------------------------------------------*/
2013 if (mono_jit_trace_calls != NULL && mono_trace_eval (cfg->method))
2014 offset += S390_TRACE_STACK_SIZE;
2016 /*------------------------------------------------------*/
2017 /* Reserve space to save LMF and caller saved registers */
2018 /*------------------------------------------------------*/
2019 if (cfg->method->save_lmf)
2020 offset += sizeof (MonoLMF);
2022 /*------------------------------------------------------*/
2023 /* align the offset */
2024 /*------------------------------------------------------*/
2025 cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
2029 /*========================= End of Function ========================*/
2031 /*------------------------------------------------------------------*/
2033 /* Name - mono_arch_create_vars */
2034 /*------------------------------------------------------------------*/
2037 mono_arch_create_vars (MonoCompile *cfg)
2039 MonoMethodSignature *sig;
2042 sig = mono_method_signature (cfg->method);
2044 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
2046 if (cinfo->struct_ret) {
2047 cfg->vret_addr = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_ARG);
2048 if (G_UNLIKELY (cfg->verbose_level > 1)) {
2049 printf ("vret_addr = ");
2050 mono_print_ins (cfg->vret_addr);
2055 /*========================= End of Function ========================*/
2057 /*------------------------------------------------------------------*/
2059 /* Name - mono_arch_call_opcode */
2061 /* Function - Take the arguments and generate the arch-specific */
2062 /* instructions to properly call the function. This */
2063 /* includes pushing, moving argments to the correct */
2066 /*------------------------------------------------------------------*/
2069 mono_arch_call_opcode (MonoCompile *cfg, MonoBasicBlock* bb,
2070 MonoCallInst *call, int is_virtual)
2073 MonoCallArgParm *arg;
2074 MonoMethodSignature *sig;
2075 int i, n, lParamArea;
2079 sig = call->signature;
2080 n = sig->param_count + sig->hasthis;
2081 DEBUG (g_print ("Call requires: %d parameters\n",n));
2083 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
2085 call->stack_usage = MAX(cinfo->sz.stack_size, call->stack_usage);
2086 lParamArea = MAX((call->stack_usage - S390_MINIMAL_STACK_SIZE - cinfo->sz.parm_size), 0);
2087 cfg->param_area = MAX (((signed) cfg->param_area), lParamArea);
2088 cfg->flags |= MONO_CFG_HAS_CALLS;
2090 if (cinfo->struct_ret)
2091 call->used_iregs |= 1 << cinfo->ret.reg;
2093 for (i = 0; i < n; ++i) {
2094 ainfo = cinfo->args + i;
2096 if (!(sig->pinvoke) &&
2097 (sig->call_convention == MONO_CALL_VARARG) &&
2098 (i == sig->sentinelpos)) {
2099 emit_sig_cookie (cfg, call, cinfo, ainfo->size);
2102 if (is_virtual && i == 0) {
2103 /* the argument will be attached to the call instrucion */
2104 in = call->args [i];
2105 call->used_iregs |= 1 << ainfo->reg;
2107 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG);
2108 in = call->args [i];
2109 arg->ins.cil_code = in->cil_code;
2110 arg->ins.inst_left = in;
2111 arg->ins.type = in->type;
2112 /* prepend, we'll need to reverse them later */
2113 arg->ins.next = call->out_args;
2114 call->out_args = (MonoInst *) arg;
2115 arg->ins.inst_right = (MonoInst *) call;
2116 if (ainfo->regtype == RegTypeGeneral) {
2117 arg->ins.backend.reg3 = ainfo->reg;
2118 call->used_iregs |= 1 << ainfo->reg;
2119 } else if (ainfo->regtype == RegTypeStructByAddr) {
2120 call->used_iregs |= 1 << ainfo->reg;
2121 arg->ins.sreg1 = ainfo->reg;
2122 arg->ins.opcode = OP_OUTARG_VT;
2123 arg->size = -ainfo->vtsize;
2124 arg->offset = ainfo->offset;
2125 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
2126 } else if (ainfo->regtype == RegTypeStructByVal) {
2127 if (ainfo->reg != STK_BASE)
2128 call->used_iregs |= 1 << ainfo->reg;
2129 arg->ins.sreg1 = ainfo->reg;
2130 arg->ins.opcode = OP_OUTARG_VT;
2131 arg->size = ainfo->size;
2132 arg->offset = ainfo->offset;
2133 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
2134 } else if (ainfo->regtype == RegTypeBase) {
2135 arg->ins.opcode = OP_OUTARG_MEMBASE;
2136 arg->ins.sreg1 = ainfo->reg;
2137 arg->size = ainfo->size;
2138 arg->offset = ainfo->offset;
2139 call->used_iregs |= 1 << ainfo->reg;
2140 } else if (ainfo->regtype == RegTypeFP) {
2141 arg->ins.backend.reg3 = ainfo->reg;
2142 call->used_fregs |= 1 << ainfo->reg;
2143 if (ainfo->size == 4)
2144 arg->ins.opcode = OP_OUTARG_R4;
2146 arg->ins.opcode = OP_OUTARG_R8;
2148 g_assert_not_reached ();
2154 * Handle the case where there are no implicit arguments
2156 if (!(sig->pinvoke) &&
2157 (sig->call_convention == MONO_CALL_VARARG) &&
2158 (n == sig->sentinelpos)) {
2159 emit_sig_cookie (cfg, call, cinfo, sizeof(MonoType *));
2163 * Reverse the call->out_args list.
2166 MonoInst *prev = NULL, *list = call->out_args, *next;
2173 call->out_args = prev;
2179 /*========================= End of Function ========================*/
2182 add_outarg_reg2 (MonoCompile *cfg, MonoCallInst *call, ArgStorage storage, int reg, MonoInst *tree)
2187 case RegTypeGeneral:
2188 MONO_INST_NEW (cfg, ins, OP_MOVE);
2189 ins->dreg = mono_alloc_ireg (cfg);
2190 ins->sreg1 = tree->dreg;
2191 MONO_ADD_INS (cfg->cbb, ins);
2192 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, FALSE);
2195 MONO_INST_NEW (cfg, ins, OP_FMOVE);
2196 ins->dreg = mono_alloc_freg (cfg);
2197 ins->sreg1 = tree->dreg;
2198 MONO_ADD_INS (cfg->cbb, ins);
2199 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
2202 MONO_INST_NEW (cfg, ins, OP_S390_SETF4RET);
2203 ins->dreg = mono_alloc_freg (cfg);
2204 ins->sreg1 = tree->dreg;
2205 MONO_ADD_INS (cfg->cbb, ins);
2206 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
2209 g_assert_not_reached ();
2214 emit_sig_cookie2 (MonoCompile *cfg, MonoCallInst *call, CallInfo *cinfo)
2216 MonoMethodSignature *tmpSig;
2219 cfg->disable_aot = TRUE;
2221 /*----------------------------------------------------------*/
2222 /* mono_ArgIterator_Setup assumes the signature cookie is */
2223 /* passed first and all the arguments which were before it */
2224 /* passed on the stack after the signature. So compensate */
2225 /* by passing a different signature. */
2226 /*----------------------------------------------------------*/
2227 tmpSig = mono_metadata_signature_dup (call->signature);
2228 tmpSig->param_count -= call->signature->sentinelpos;
2229 tmpSig->sentinelpos = 0;
2230 if (tmpSig->param_count > 0)
2231 memcpy (tmpSig->params,
2232 call->signature->params + call->signature->sentinelpos,
2233 tmpSig->param_count * sizeof(MonoType *));
2235 MONO_INST_NEW (cfg, sig_arg, OP_ICONST);
2236 sig_arg->dreg = mono_alloc_ireg (cfg);
2237 sig_arg->inst_p0 = tmpSig;
2238 MONO_ADD_INS (cfg->cbb, sig_arg);
2240 MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG, STK_BASE,
2241 cinfo->sigCookie.offset, sig_arg->dreg);
2244 /*------------------------------------------------------------------*/
2246 /* Name - mono_arch_emit_call */
2248 /*------------------------------------------------------------------*/
2251 mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
2254 MonoMethodSignature *sig;
2256 int i, n, lParamArea;
2258 ArgInfo *ainfo = NULL;
2261 sig = call->signature;
2262 n = sig->param_count + sig->hasthis;
2263 DEBUG (g_print ("Call requires: %d parameters\n",n));
2265 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
2267 stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
2268 call->stack_usage = MAX(stackSize, call->stack_usage);
2269 lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
2270 cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
2271 cfg->flags |= MONO_CFG_HAS_CALLS;
2273 if (cinfo->struct_ret) {
2274 MONO_INST_NEW (cfg, ins, OP_MOVE);
2275 ins->sreg1 = call->vret_var->dreg;
2276 ins->dreg = mono_alloc_preg (cfg);
2277 MONO_ADD_INS (cfg->cbb, ins);
2278 mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, cinfo->ret.reg, FALSE);
2281 for (i = 0; i < n; ++i) {
2282 ainfo = cinfo->args + i;
2285 if (i >= sig->hasthis)
2286 t = sig->params [i - sig->hasthis];
2288 t = &mono_defaults.int_class->byval_arg;
2289 t = mono_type_get_underlying_type (t);
2291 in = call->args [i];
2293 if ((sig->call_convention == MONO_CALL_VARARG) &&
2294 (i == sig->sentinelpos)) {
2295 emit_sig_cookie2 (cfg, call, cinfo);
2298 switch (ainfo->regtype) {
2299 case RegTypeGeneral:
2300 add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
2303 if (MONO_TYPE_ISSTRUCT (t)) {
2304 /* Valuetype passed in one fp register */
2305 ainfo->regtype = RegTypeStructByValInFP;
2308 if (ainfo->size == 4)
2309 ainfo->regtype = RegTypeFPR4;
2310 add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
2313 case RegTypeStructByVal:
2314 case RegTypeStructByAddr: {
2318 if (sig->params [i - sig->hasthis]->type == MONO_TYPE_TYPEDBYREF) {
2319 size = sizeof (MonoTypedRef);
2320 align = sizeof (gpointer);
2324 size = mono_type_native_stack_size (&in->klass->byval_arg, &align);
2327 * Other backends use mono_type_stack_size (), but that
2328 * aligns the size to 8, which is larger than the size of
2329 * the source, leading to reads of invalid memory if the
2330 * source is at the end of address space.
2332 size = mono_class_value_size (in->klass, &align);
2335 g_assert (in->klass);
2337 ainfo->offparm += cinfo->sz.offStruct;
2339 MONO_INST_NEW (cfg, ins, OP_OUTARG_VT);
2340 ins->sreg1 = in->dreg;
2341 ins->klass = in->klass;
2342 ins->backend.size = ainfo->size;
2343 ins->inst_p0 = call;
2344 ins->inst_p1 = mono_mempool_alloc (cfg->mempool, sizeof (ArgInfo));
2345 memcpy (ins->inst_p1, ainfo, sizeof (ArgInfo));
2347 MONO_ADD_INS (cfg->cbb, ins);
2349 if (ainfo->regtype == RegTypeStructByAddr) {
2351 * We use OP_OUTARG_VT to copy the valuetype to a stack location, then
2352 * use the normal OUTARG opcodes to pass the address of the location to
2355 int treg = mono_alloc_preg (cfg);
2356 MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
2357 STK_BASE, ainfo->offparm);
2358 mono_call_inst_add_outarg_reg (cfg, call, treg, ainfo->reg, FALSE);
2363 if (!t->byref && t->type == MONO_TYPE_R4) {
2364 MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER4_MEMBASE_REG,
2365 STK_BASE, ainfo->offset + 4,
2367 } else if (!t->byref && (t->type == MONO_TYPE_R8)) {
2368 MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG,
2369 STK_BASE, ainfo->offset,
2372 MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
2373 ins->inst_destbasereg = STK_BASE;
2374 ins->inst_offset = ainfo->offset;
2375 ins->sreg1 = in->dreg;
2377 /* This is needed by MonoTypedRef->value to point to the correct data */
2378 if ((sig->call_convention == MONO_CALL_VARARG) &&
2379 (i >= sig->sentinelpos)) {
2380 switch (ainfo->size) {
2382 ins->opcode = OP_STOREI1_MEMBASE_REG;
2385 ins->opcode = OP_STOREI2_MEMBASE_REG;
2388 ins->opcode = OP_STOREI4_MEMBASE_REG;
2395 MONO_ADD_INS (cfg->cbb, ins);
2399 g_assert_not_reached ();
2405 * Handle the case where there are no implicit arguments
2407 if ((sig->call_convention == MONO_CALL_VARARG) &&
2408 (i == sig->sentinelpos)) {
2409 emit_sig_cookie2 (cfg, call, cinfo);
2413 /*========================= End of Function ========================*/
2415 /*------------------------------------------------------------------*/
2417 /* Name - mono_arch_emit_outarg_vt */
2419 /*------------------------------------------------------------------*/
2422 mono_arch_emit_outarg_vt (MonoCompile *cfg, MonoInst *ins, MonoInst *src)
2424 MonoCallInst *call = (MonoCallInst*)ins->inst_p0;
2425 ArgInfo *ainfo = (ArgInfo*)ins->inst_p1;
2426 int size = ins->backend.size;
2428 if (ainfo->regtype == RegTypeStructByVal) {
2430 arg->ins.sreg1 = ainfo->reg;
2431 arg->ins.opcode = OP_OUTARG_VT;
2432 arg->size = ainfo->size;
2433 arg->offset = ainfo->offset;
2434 arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
2436 if (ainfo->reg != STK_BASE) {
2437 MONO_OUTPUT_VTR2 (cfg, size, ainfo->reg, src->dreg, 0);
2439 MONO_OUTPUT_VTS2 (cfg, size, ainfo->reg, ainfo->offset,
2442 } else if (ainfo->regtype == RegTypeStructByValInFP) {
2443 int dreg = mono_alloc_freg (cfg);
2445 if (ainfo->size == 4) {
2446 MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR4_MEMBASE, dreg, src->dreg, 0);
2447 MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, dreg, dreg);
2449 g_assert (ainfo->size == 8);
2451 MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR8_MEMBASE, dreg, src->dreg, 0);
2454 mono_call_inst_add_outarg_reg (cfg, call, dreg, ainfo->reg, TRUE);
2456 MONO_EMIT_NEW_MOVE2 (cfg, STK_BASE, ainfo->offparm,
2457 src->dreg, 0, size);
2461 /*------------------------------------------------------------------*/
2463 /* Name - mono_arch_emit_setret */
2465 /*------------------------------------------------------------------*/
2468 mono_arch_emit_setret (MonoCompile *cfg, MonoMethod *method, MonoInst *val)
2470 MonoType *ret = mono_type_get_underlying_type (mono_method_signature (method)->ret);
2473 if (ret->type == MONO_TYPE_R4) {
2474 MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, s390_f0, val->dreg);
2476 } else if (ret->type == MONO_TYPE_R8) {
2477 MONO_EMIT_NEW_UNALU (cfg, OP_FMOVE, s390_f0, val->dreg);
2482 MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, cfg->ret->dreg, val->dreg);
2485 /*========================= End of Function ========================*/
2487 /*------------------------------------------------------------------*/
2489 /* Name - emit_sig_cookie. */
2491 /* Function - For variable length parameter lists construct a */
2492 /* signature cookie and emit it. */
2494 /*------------------------------------------------------------------*/
2497 emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call,
2498 CallInfo *cinfo, int argSize)
2500 MonoCallArgParm *arg;
2501 MonoMethodSignature *tmpSig;
2504 cfg->disable_aot = TRUE;
2506 /*----------------------------------------------------------*/
2507 /* mono_ArgIterator_Setup assumes the signature cookie is */
2508 /* passed first and all the arguments which were before it */
2509 /* passed on the stack after the signature. So compensate */
2510 /* by passing a different signature. */
2511 /*----------------------------------------------------------*/
2512 tmpSig = mono_metadata_signature_dup (call->signature);
2513 tmpSig->param_count -= call->signature->sentinelpos;
2514 tmpSig->sentinelpos = 0;
2515 if (tmpSig->param_count > 0)
2516 memcpy (tmpSig->params,
2517 call->signature->params + call->signature->sentinelpos,
2518 tmpSig->param_count * sizeof(MonoType *));
2520 MONO_INST_NEW (cfg, sigArg, OP_ICONST);
2521 sigArg->inst_p0 = tmpSig;
2523 MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG_MEMBASE);
2524 arg->ins.inst_left = sigArg;
2525 arg->ins.inst_right = (MonoInst *) call;
2526 arg->size = argSize;
2527 arg->offset = cinfo->sigCookie.offset;
2528 arg->ins.next = call->out_args;
2529 call->out_args = (MonoInst *) arg;
2532 /*========================= End of Function ========================*/
2534 /*------------------------------------------------------------------*/
2536 /* Name - mono_arch_instrument_mem_needs */
2538 /* Function - Allow tracing to work with this interface (with */
2539 /* an optional argument). */
2541 /*------------------------------------------------------------------*/
2544 mono_arch_instrument_mem_needs (MonoMethod *method, int *stack, int *code)
2546 /* no stack room needed now (may be needed for FASTCALL-trace support) */
2548 /* split prolog-epilog requirements? */
2549 *code = 50; /* max bytes needed: check this number */
2552 /*========================= End of Function ========================*/
2554 /*------------------------------------------------------------------*/
2556 /* Name - mono_arch_instrument_prolog */
2558 /* Function - Create an "instrumented" prolog. */
2560 /*------------------------------------------------------------------*/
2563 mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p,
2564 gboolean enable_arguments)
2571 parmOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2572 if (cfg->method->save_lmf)
2573 parmOffset -= sizeof(MonoLMF);
2574 fpOffset = parmOffset + (5*sizeof(gpointer));
2575 if ((!has_ld) && (fpOffset > 4096)) {
2576 s390_lgr (code, s390_r12, STK_BASE);
2578 while (fpOffset > 4096) {
2579 s390_aghi (code, baseReg, 4096);
2587 s390_stmg (code, s390_r2, s390_r6, STK_BASE, parmOffset);
2589 s390_stdy (code, s390_f0, 0, STK_BASE, fpOffset);
2590 s390_stdy (code, s390_f2, 0, STK_BASE, fpOffset+sizeof(gdouble));
2591 s390_stdy (code, s390_f4, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
2592 s390_stdy (code, s390_f6, 0, STK_BASE, fpOffset+3*sizeof(gdouble));
2594 s390_std (code, s390_f0, 0, baseReg, fpOffset);
2595 s390_std (code, s390_f2, 0, baseReg, fpOffset+sizeof(gdouble));
2596 s390_std (code, s390_f4, 0, baseReg, fpOffset+2*sizeof(gdouble));
2597 s390_std (code, s390_f6, 0, baseReg, fpOffset+3*sizeof(gdouble));
2599 s390_basr (code, s390_r13, 0);
2601 s390_llong(code, cfg->method);
2602 s390_llong(code, func);
2603 s390_lg (code, s390_r2, 0, s390_r13, 4);
2605 s390_lay (code, s390_r3, 0, STK_BASE, parmOffset);
2607 s390_la (code, s390_r3, 0, baseReg, parmOffset);
2608 s390_lgr (code, s390_r4, STK_BASE);
2609 s390_aghi (code, s390_r4, cfg->stack_usage);
2610 s390_lg (code, s390_r1, 0, s390_r13, 12);
2611 s390_basr (code, s390_r14, s390_r1);
2613 s390_ldy (code, s390_f6, 0, STK_BASE, fpOffset+3*sizeof(gdouble));
2614 s390_ldy (code, s390_f4, 0, STK_BASE, fpOffset+2*sizeof(gdouble));
2615 s390_ldy (code, s390_f2, 0, STK_BASE, fpOffset+sizeof(gdouble));
2616 s390_ldy (code, s390_f0, 0, STK_BASE, fpOffset);
2618 s390_ld (code, s390_f6, 0, baseReg, fpOffset+3*sizeof(gdouble));
2619 s390_ld (code, s390_f4, 0, baseReg, fpOffset+2*sizeof(gdouble));
2620 s390_ld (code, s390_f2, 0, baseReg, fpOffset+sizeof(gdouble));
2621 s390_ld (code, s390_f0, 0, baseReg, fpOffset);
2623 s390_lmg (code, s390_r2, s390_r6, STK_BASE, parmOffset);
2628 /*========================= End of Function ========================*/
2630 /*------------------------------------------------------------------*/
2632 /* Name - mono_arch_instrument_epilog */
2634 /* Function - Create an epilog that will handle the returned */
2635 /* values used in instrumentation. */
2637 /*------------------------------------------------------------------*/
2640 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
2643 int save_mode = SAVE_NONE,
2645 MonoMethod *method = cfg->method;
2646 int rtype = mono_type_get_underlying_type (mono_method_signature (method)->ret)->type;
2648 saveOffset = cfg->stack_usage - S390_TRACE_STACK_SIZE;
2649 if (method->save_lmf)
2650 saveOffset -= sizeof(MonoLMF);
2654 case MONO_TYPE_VOID:
2655 /* special case string .ctor icall */
2656 if (strcmp (".ctor", method->name) && method->klass == mono_defaults.string_class)
2657 save_mode = SAVE_ONE;
2659 save_mode = SAVE_NONE;
2663 save_mode = SAVE_ONE;
2666 save_mode = SAVE_R4;
2669 save_mode = SAVE_R8;
2671 case MONO_TYPE_VALUETYPE:
2672 if (mono_method_signature (method)->ret->data.klass->enumtype) {
2673 rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
2676 save_mode = SAVE_STRUCT;
2679 save_mode = SAVE_ONE;
2683 switch (save_mode) {
2685 s390_stg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2686 if (enable_arguments) {
2687 s390_lgr (code, s390_r3, s390_r2);
2691 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2692 if (enable_arguments) {
2693 s390_ldebr (code, s390_f0, s390_f0);
2697 s390_std (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2700 s390_stg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2701 if (enable_arguments) {
2702 s390_lg (code, s390_r3, 0, cfg->frame_reg,
2703 S390_MINIMAL_STACK_SIZE+cfg->param_area);
2711 s390_basr (code, s390_r13, 0);
2713 s390_llong(code, cfg->method);
2714 s390_llong(code, func);
2715 s390_lg (code, s390_r2, 0, s390_r13, 4);
2716 s390_lg (code, s390_r1, 0, s390_r13, 12);
2717 s390_basr (code, s390_r14, s390_r1);
2719 switch (save_mode) {
2721 s390_lg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2725 s390_ld (code, s390_f0, 0, cfg->frame_reg, saveOffset);
2728 s390_lg (code, s390_r2, 0, cfg->frame_reg, saveOffset);
2738 /*========================= End of Function ========================*/
2741 mono_arch_peephole_pass_1 (MonoCompile *cfg, MonoBasicBlock *bb)
2745 /*------------------------------------------------------------------*/
2747 /* Name - mono_arch_peephole_pass */
2749 /* Function - Form a peephole pass at the code looking for */
2750 /* simple optimizations. */
2752 /*------------------------------------------------------------------*/
2755 mono_arch_peephole_pass_2 (MonoCompile *cfg, MonoBasicBlock *bb)
2759 MONO_BB_FOR_EACH_INS_SAFE (bb, n, ins) {
2760 mono_peephole_ins (bb, ins);
2764 /*========================= End of Function ========================*/
2767 mono_arch_lowering_pass (MonoCompile *cfg, MonoBasicBlock *bb)
2769 MonoInst *ins, *next;
2771 if (bb->max_vreg > cfg->rs->next_vreg)
2772 cfg->rs->next_vreg = bb->max_vreg;
2774 MONO_BB_FOR_EACH_INS_SAFE (bb, next, ins) {
2775 switch (ins->opcode) {
2780 case OP_IDIV_UN_IMM:
2781 case OP_IREM_UN_IMM:
2785 case OP_LOCALLOC_IMM:
2786 mono_decompose_op_imm (cfg, bb, ins);
2789 if (!s390_is_imm16 (ins->inst_imm))
2790 /* This is created by the memcpy code which ignores is_inst_imm */
2791 mono_decompose_op_imm (cfg, bb, ins);
2798 bb->max_vreg = cfg->rs->next_vreg;
2801 /*========================= End of Function ========================*/
2803 /*------------------------------------------------------------------*/
2805 /* Name - emit_float_to_int */
2807 /* Function - Create instructions which will convert a floating */
2808 /* point value to integer. */
2810 /*------------------------------------------------------------------*/
2813 emit_float_to_int (MonoCompile *cfg, guchar *code, int dreg, int sreg, int size, gboolean is_signed)
2815 /* sreg is a float, dreg is an integer reg. */
2817 s390_cfdbr (code, dreg, 5, sreg);
2820 s390_lghi (code, s390_r0, 0);
2821 s390_lghi (code, s390_r13, 0xff);
2822 s390_ltgr (code, dreg, dreg);
2824 s390_lghi (code, s390_r0, 0x80);
2825 s390_ngr (code, dreg, s390_r13);
2826 s390_ogr (code, dreg, s390_r0);
2831 s390_basr (code, s390_r13, 0);
2833 s390_llong (code, 0x41e0000000000000);
2834 s390_llong (code, 0x41f0000000000000);
2835 s390_ldr (code, s390_f15, sreg);
2836 s390_cdb (code, s390_f15, 0, s390_r13, 4);
2837 s390_jl (code, 0); CODEPTR (code, o[0]);
2838 s390_sdb (code, s390_f15, 0, s390_r13, 12);
2839 s390_cfdbr (code, dreg, 7, s390_f15);
2841 PTRSLOT (code, o[0]);
2842 s390_cfdbr (code, dreg, 5, sreg);
2845 s390_lghi (code, s390_r0, 0xff);
2846 s390_ngr (code, dreg, s390_r0);
2849 s390_lghi (code, s390_r0, -1);
2850 s390_srlg (code, s390_r0, s390_r0, 0, 16);
2851 s390_ngr (code, dreg, s390_r0);
2858 /*========================= End of Function ========================*/
2860 static gboolean is_unsigned (MonoInst *next)
2863 (((next->opcode >= OP_IBNE_UN) &&
2864 (next->opcode <= OP_IBLT_UN)) ||
2865 ((next->opcode >= OP_LBNE_UN) &&
2866 (next->opcode <= OP_LBLT_UN)) ||
2867 ((next->opcode >= OP_COND_EXC_NE_UN) &&
2868 (next->opcode <= OP_COND_EXC_LT_UN)) ||
2869 ((next->opcode >= OP_COND_EXC_INE_UN) &&
2870 (next->opcode <= OP_COND_EXC_ILT_UN)) ||
2871 ((next->opcode == OP_CLT_UN) ||
2872 (next->opcode == OP_CGT_UN)) ||
2873 ((next->opcode == OP_ICLT_UN) ||
2874 (next->opcode == OP_ICGT_UN) ||
2875 (next->opcode == OP_LCLT_UN) ||
2876 (next->opcode == OP_LCGT_UN))))
2882 /*------------------------------------------------------------------*/
2884 /* Name - mono_arch_output_basic_block */
2886 /* Function - Perform the "real" work of emitting instructions */
2887 /* that will do the work of in the basic block. */
2889 /*------------------------------------------------------------------*/
2892 mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
2897 guint8 *code = cfg->native_code + cfg->code_len;
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_lghi (code, s390_r0, ins->inst_imm);
2935 S390_LONG (code, stcy, stc, s390_r0, 0,
2936 ins->inst_destbasereg, ins->inst_offset);
2939 case OP_STOREI2_MEMBASE_IMM: {
2940 s390_lghi (code, s390_r0, ins->inst_imm);
2941 S390_LONG (code, sthy, sth, s390_r0, 0,
2942 ins->inst_destbasereg, ins->inst_offset);
2945 case OP_STOREI4_MEMBASE_IMM: {
2946 if (s390_is_imm16(ins->inst_imm)) {
2947 s390_lghi (code, s390_r0, ins->inst_imm);
2949 s390_basr (code, s390_r13, 0);
2951 s390_llong(code, ins->inst_imm);
2952 s390_lg (code, s390_r0, 0, s390_r13, 4);
2954 S390_LONG (code, sty, st, s390_r0, 0,
2955 ins->inst_destbasereg, ins->inst_offset);
2958 case OP_STORE_MEMBASE_IMM:
2959 case OP_STOREI8_MEMBASE_IMM: {
2960 if (s390_is_imm16(ins->inst_imm)) {
2961 s390_lghi (code, s390_r0, ins->inst_imm);
2963 s390_basr (code, s390_r13, 0);
2965 s390_llong(code, ins->inst_imm);
2966 s390_lg (code, s390_r0, 0, s390_r13, 4);
2968 S390_LONG (code, stg, stg, s390_r0, 0,
2969 ins->inst_destbasereg, ins->inst_offset);
2972 case OP_STOREI1_MEMBASE_REG: {
2973 S390_LONG (code, stcy, stc, ins->sreg1, 0,
2974 ins->inst_destbasereg, ins->inst_offset);
2977 case OP_STOREI2_MEMBASE_REG: {
2978 S390_LONG (code, sthy, sth, ins->sreg1, 0,
2979 ins->inst_destbasereg, ins->inst_offset);
2982 case OP_STOREI4_MEMBASE_REG: {
2983 S390_LONG (code, sty, st, ins->sreg1, 0,
2984 ins->inst_destbasereg, ins->inst_offset);
2987 case OP_STORE_MEMBASE_REG:
2988 case OP_STOREI8_MEMBASE_REG: {
2989 S390_LONG (code, stg, stg, ins->sreg1, 0,
2990 ins->inst_destbasereg, ins->inst_offset);
2994 g_assert_not_reached ();
2996 case OP_LOAD_MEMBASE:
2997 case OP_LOADI8_MEMBASE: {
2998 S390_LONG (code, lg, lg, ins->dreg, 0,
2999 ins->inst_basereg, ins->inst_offset);
3002 case OP_LOADI4_MEMBASE: {
3003 S390_LONG (code, lgf, lgf, ins->dreg, 0,
3004 ins->inst_basereg, ins->inst_offset);
3007 case OP_LOADU4_MEMBASE: {
3008 S390_LONG (code, llgf, llgf, ins->dreg, 0,
3009 ins->inst_basereg, ins->inst_offset);
3012 case OP_LOADU1_MEMBASE: {
3013 S390_LONG (code, llgc, llgc, ins->dreg, 0,
3014 ins->inst_basereg, ins->inst_offset);
3017 case OP_LOADI1_MEMBASE: {
3018 S390_LONG (code, lgb, lgb, ins->dreg, 0,
3019 ins->inst_basereg, ins->inst_offset);
3022 case OP_LOADU2_MEMBASE: {
3023 S390_LONG (code, llgh, llgh, ins->dreg, 0,
3024 ins->inst_basereg, ins->inst_offset);
3027 case OP_LOADI2_MEMBASE: {
3028 S390_LONG (code, lgh, lgh, ins->dreg, 0,
3029 ins->inst_basereg, ins->inst_offset);
3032 case OP_LCONV_TO_I1: {
3033 s390_lghi (code, s390_r0, 0x80);
3034 if (ins->dreg != ins->sreg1) {
3035 s390_lgr (code, ins->dreg, ins->sreg1);
3037 s390_ngr (code, s390_r0, ins->sreg1);
3039 s390_lghi (code, s390_r13, -1);
3040 s390_sllg (code, s390_r13, s390_r13, 0, 8);
3041 s390_ogr (code, ins->dreg, s390_r13);
3044 case OP_LCONV_TO_I2: {
3045 s390_lghi (code, s390_r0, 0x80);
3046 s390_sllg (code, s390_r0, s390_r0, 0, 8);
3047 if (ins->dreg != ins->sreg1) {
3048 s390_lgr (code, ins->dreg, ins->sreg1);
3050 s390_ngr (code, s390_r0, ins->sreg1);
3052 s390_lghi (code, s390_r13, -1);
3053 s390_sllg (code, s390_r13, s390_r13, 0, 16);
3054 s390_ogr (code, ins->dreg, s390_r13);
3057 case OP_LCONV_TO_U1: {
3058 s390_lghi (code, s390_r0, 0xff);
3059 if (ins->dreg != ins->sreg1) {
3060 s390_lgr (code, ins->dreg, ins->sreg1);
3062 s390_ngr (code, ins->dreg, s390_r0);
3065 case OP_LCONV_TO_U2: {
3066 s390_lghi (code, s390_r0, -1);
3067 s390_sllg (code, s390_r0, s390_r0, 0, 16);
3068 s390_srlg (code, s390_r0, s390_r0, 0, 16);
3069 if (ins->dreg != ins->sreg1) {
3070 s390_lgr (code, ins->dreg, ins->sreg1);
3072 s390_ngr (code, ins->dreg, s390_r0);
3075 case OP_ICONV_TO_I1: {
3076 s390_lhi (code, s390_r0, 0x80);
3077 if (ins->dreg != ins->sreg1) {
3078 s390_lr (code, ins->dreg, ins->sreg1);
3080 s390_nr (code, s390_r0, ins->sreg1);
3082 s390_lhi (code, s390_r13, -1);
3083 s390_sll (code, s390_r13, 0, 8);
3084 s390_or (code, ins->dreg, s390_r13);
3087 case OP_ICONV_TO_I2: {
3088 s390_lhi (code, s390_r0, 0x80);
3089 s390_sll (code, s390_r0, 0, 8);
3090 if (ins->dreg != ins->sreg1) {
3091 s390_lr (code, ins->dreg, ins->sreg1);
3093 s390_nr (code, s390_r0, ins->sreg1);
3095 s390_lhi (code, s390_r13, -1);
3096 s390_sll (code, s390_r13, 0, 16);
3097 s390_or (code, ins->dreg, s390_r13);
3100 case OP_ICONV_TO_U1: {
3101 s390_lhi (code, s390_r0, 0xff);
3102 if (ins->dreg != ins->sreg1) {
3103 s390_lr (code, ins->dreg, ins->sreg1);
3105 s390_nr (code, ins->dreg, s390_r0);
3108 case OP_ICONV_TO_U2: {
3109 s390_lhi (code, s390_r0, -1);
3110 s390_sll (code, s390_r0, 0, 16);
3111 s390_srl (code, s390_r0, 0, 16);
3112 if (ins->dreg != ins->sreg1) {
3113 s390_lr (code, ins->dreg, ins->sreg1);
3115 s390_nr (code, ins->dreg, s390_r0);
3120 if (is_unsigned (ins->next))
3121 s390_clgr (code, ins->sreg1, ins->sreg2);
3123 s390_cgr (code, ins->sreg1, ins->sreg2);
3127 if (is_unsigned (ins->next))
3128 s390_clr (code, ins->sreg1, ins->sreg2);
3130 s390_cr (code, ins->sreg1, ins->sreg2);
3133 case OP_COMPARE_IMM:
3134 case OP_LCOMPARE_IMM: {
3135 if (s390_is_imm16 (ins->inst_imm)) {
3136 s390_lghi (code, s390_r0, ins->inst_imm);
3137 if (is_unsigned (ins->next))
3138 s390_clgr (code, ins->sreg1, s390_r0);
3140 s390_cgr (code, ins->sreg1, s390_r0);
3142 s390_basr (code, s390_r13, 0);
3144 s390_llong(code, ins->inst_imm);
3145 if (is_unsigned (ins->next))
3146 s390_clg (code, ins->sreg1, 0, s390_r13, 4);
3148 s390_cg (code, ins->sreg1, 0, s390_r13, 4);
3152 case OP_ICOMPARE_IMM: {
3153 if (s390_is_imm16 (ins->inst_imm)) {
3154 s390_lghi (code, s390_r0, ins->inst_imm);
3155 if (is_unsigned (ins->next))
3156 s390_clr (code, ins->sreg1, s390_r0);
3158 s390_cr (code, ins->sreg1, s390_r0);
3161 s390_basr (code, s390_r13, 0);
3163 s390_word (code, ins->inst_imm);
3164 if (is_unsigned (ins->next))
3165 s390_cl (code, ins->sreg1, 0, s390_r13, 4);
3167 s390_c (code, ins->sreg1, 0, s390_r13, 4);
3172 s390_basr (code, s390_r13, 0);
3174 mono_add_patch_info (cfg, code - cfg->native_code, MONO_PATCH_INFO_ABS,
3176 s390_llong (code, mono_break);
3177 s390_lg (code, s390_r14, 0, s390_r13, 4);
3178 s390_basr (code, s390_r14, s390_r14);
3183 s390_agr (code, ins->dreg, src2);
3188 s390_agr (code, ins->dreg, src2);
3193 s390_alcgr (code, ins->dreg, src2);
3197 if (ins->dreg != ins->sreg1) {
3198 s390_lgr (code, ins->dreg, ins->sreg1);
3200 if (s390_is_imm16 (ins->inst_imm)) {
3201 s390_aghi (code, ins->dreg, ins->inst_imm);
3203 s390_basr (code, s390_r13, 0);
3205 s390_llong(code, ins->inst_imm);
3206 s390_ag (code, ins->dreg, 0, s390_r13, 4);
3211 if (ins->dreg != ins->sreg1) {
3212 s390_lgr (code, ins->dreg, ins->sreg1);
3214 g_assert (s390_is_imm16 (ins->inst_imm));
3215 s390_aghi (code, ins->dreg, ins->inst_imm);
3219 if (ins->dreg != ins->sreg1) {
3220 s390_lgr (code, ins->dreg, ins->sreg1);
3222 if (s390_is_imm16 (ins->inst_imm)) {
3223 s390_lghi (code, s390_r0, ins->inst_imm);
3224 s390_alcgr (code, ins->dreg, s390_r0);
3226 s390_basr (code, s390_r13, 0);
3228 s390_llong (code, ins->inst_imm);
3229 s390_lg (code, s390_r13, 0, s390_r13, 4);
3230 s390_alcgr (code, ins->dreg, s390_r13);
3235 case OP_S390_IADD_OVF: {
3237 s390_ar (code, ins->dreg, src2);
3238 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3239 s390_lgfr (code, ins->dreg, ins->dreg);
3242 case OP_IADD_OVF_UN:
3243 case OP_S390_IADD_OVF_UN: {
3245 s390_algr (code, ins->dreg, src2);
3246 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3247 s390_llgfr (code, ins->dreg, ins->dreg);
3250 case OP_ADD_OVF_CARRY: {
3252 s390_lghi (code, s390_r0, 0);
3253 s390_lgr (code, s390_r1, s390_r0);
3254 s390_alcgr (code, s390_r0, s390_r1);
3255 s390_agr (code, ins->dreg, src2);
3256 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3257 s390_agr (code, ins->dreg, s390_r0);
3258 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3261 case OP_ADD_OVF_UN_CARRY: {
3263 s390_alcgr (code, ins->dreg, src2);
3264 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3269 s390_sgr (code, ins->dreg, src2);
3274 s390_sgr (code, ins->dreg, src2);
3279 s390_slbgr(code, ins->dreg, src2);
3283 if (ins->dreg != ins->sreg1) {
3284 s390_lgr (code, ins->dreg, ins->sreg1);
3286 if (s390_is_imm16 (-ins->inst_imm)) {
3287 s390_lghi (code, s390_r0, ins->inst_imm);
3288 s390_slgr (code, ins->dreg, s390_r0);
3290 s390_basr (code, s390_r13, 0);
3292 s390_llong(code, ins->inst_imm);
3293 s390_slg (code, ins->dreg, 0, s390_r13, 4);
3298 if (ins->dreg != ins->sreg1) {
3299 s390_lgr (code, ins->dreg, ins->sreg1);
3301 if (s390_is_imm16 (-ins->inst_imm)) {
3302 s390_lghi (code, s390_r0, ins->inst_imm);
3303 s390_slgr (code, ins->dreg, s390_r0);
3305 s390_basr (code, s390_r13, 0);
3307 s390_llong(code, ins->inst_imm);
3308 s390_slg (code, ins->dreg, 0, s390_r13, 4);
3313 if (ins->dreg != ins->sreg1) {
3314 s390_lgr (code, ins->dreg, ins->sreg1);
3316 if (s390_is_imm16 (-ins->inst_imm)) {
3317 s390_lghi (code, s390_r0, ins->inst_imm);
3318 s390_slbgr (code, ins->dreg, s390_r0);
3320 s390_basr (code, s390_r13, 0);
3322 s390_llong(code, ins->inst_imm);
3323 s390_slbg (code, ins->dreg, 0, s390_r13, 4);
3327 case OP_SUB_OVF_CARRY: {
3329 s390_lghi (code, s390_r0, 0);
3330 s390_lgr (code, s390_r1, s390_r0);
3331 s390_slbgr (code, s390_r0, s390_r1);
3332 s390_sgr (code, ins->dreg, src2);
3333 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3334 s390_agr (code, ins->dreg, s390_r0);
3335 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3338 case OP_SUB_OVF_UN_CARRY: {
3340 s390_slbgr (code, ins->dreg, src2);
3341 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
3345 if (ins->sreg1 == ins->dreg) {
3346 s390_ngr (code, ins->dreg, ins->sreg2);
3349 if (ins->sreg2 == ins->dreg) {
3350 s390_ngr (code, ins->dreg, ins->sreg1);
3353 s390_lgr (code, ins->dreg, ins->sreg1);
3354 s390_ngr (code, ins->dreg, ins->sreg2);
3360 if (ins->dreg != ins->sreg1) {
3361 s390_lgr (code, ins->dreg, ins->sreg1);
3363 if (s390_is_imm16 (ins->inst_imm)) {
3364 s390_lghi (code, s390_r0, ins->inst_imm);
3365 s390_ngr (code, ins->dreg, s390_r0);
3367 s390_basr (code, s390_r13, 0);
3369 s390_llong(code, ins->inst_imm);
3370 s390_ng (code, ins->dreg, 0, s390_r13, 4);
3375 s390_lgr (code, s390_r1, ins->sreg1);
3376 s390_dsgr (code, s390_r0, ins->sreg2);
3377 s390_lgr (code, ins->dreg, s390_r1);
3381 s390_lgr (code, s390_r1, ins->sreg1);
3382 s390_lghi (code, s390_r0, 0);
3383 s390_dlgr (code, s390_r0, ins->sreg2);
3384 s390_lgr (code, ins->dreg, s390_r1);
3388 s390_lgr (code, s390_r1, ins->sreg1);
3389 s390_dsgr (code, s390_r0, ins->sreg2);
3390 s390_lgr (code, ins->dreg, s390_r0);
3394 s390_lgr (code, s390_r1, ins->sreg1);
3395 s390_lghi (code, s390_r0, 0);
3396 s390_dlgr (code, s390_r0, ins->sreg2);
3397 s390_lgr (code, ins->dreg, s390_r0);
3401 if (ins->sreg1 == ins->dreg) {
3402 s390_ogr (code, ins->dreg, ins->sreg2);
3405 if (ins->sreg2 == ins->dreg) {
3406 s390_ogr (code, ins->dreg, ins->sreg1);
3409 s390_lgr (code, ins->dreg, ins->sreg1);
3410 s390_ogr (code, ins->dreg, ins->sreg2);
3416 if (ins->dreg != ins->sreg1) {
3417 s390_lgr (code, ins->dreg, ins->sreg1);
3419 if (s390_is_imm16 (ins->inst_imm)) {
3420 s390_lghi (code, s390_r0, ins->inst_imm);
3421 s390_ogr (code, ins->dreg, s390_r0);
3423 s390_basr (code, s390_r13, 0);
3425 s390_llong(code, ins->inst_imm);
3426 s390_og (code, ins->dreg, 0, s390_r13, 4);
3431 if (ins->sreg1 == ins->dreg) {
3432 s390_xgr (code, ins->dreg, ins->sreg2);
3435 if (ins->sreg2 == ins->dreg) {
3436 s390_xgr (code, ins->dreg, ins->sreg1);
3439 s390_lgr (code, ins->dreg, ins->sreg1);
3440 s390_xgr (code, ins->dreg, ins->sreg2);
3446 if (ins->dreg != ins->sreg1) {
3447 s390_lgr (code, ins->dreg, ins->sreg1);
3449 if (s390_is_imm16 (ins->inst_imm)) {
3450 s390_lghi (code, s390_r0, ins->inst_imm);
3451 s390_xgr (code, ins->dreg, s390_r0);
3453 s390_basr (code, s390_r13, 0);
3455 s390_llong(code, ins->inst_imm);
3456 s390_xg (code, ins->dreg, 0, s390_r13, 4);
3462 s390_sllg (code, ins->dreg, ins->dreg, src2, 0);
3467 if (ins->sreg1 != ins->dreg) {
3468 s390_lgr (code, ins->dreg, ins->sreg1);
3470 s390_sllg (code, ins->dreg, ins->dreg, 0, (ins->inst_imm & 0x3f));
3475 s390_srag (code, ins->dreg, ins->dreg, src2, 0);
3480 if (ins->sreg1 != ins->dreg) {
3481 s390_lgr (code, ins->dreg, ins->sreg1);
3483 s390_srag (code, ins->dreg, ins->dreg, 0, (ins->inst_imm & 0x3f));
3487 case OP_LSHR_UN_IMM: {
3488 if (ins->sreg1 != ins->dreg) {
3489 s390_lgr (code, ins->dreg, ins->sreg1);
3491 s390_srlg (code, ins->dreg, ins->dreg, 0, (ins->inst_imm & 0x3f));
3496 s390_srlg (code, ins->dreg, ins->dreg, src2, 0);
3500 if (ins->sreg1 != ins->dreg) {
3501 s390_lgr (code, ins->dreg, ins->sreg1);
3503 s390_lghi (code, s390_r0, -1);
3504 s390_xgr (code, ins->dreg, s390_r0);
3508 s390_lcgr (code, ins->dreg, ins->sreg1);
3513 s390_msgr (code, ins->dreg, src2);
3518 if (ins->dreg != ins->sreg1) {
3519 s390_lgr (code, ins->dreg, ins->sreg1);
3521 if (s390_is_imm16 (ins->inst_imm)) {
3522 s390_lghi (code, s390_r13, ins->inst_imm);
3524 s390_basr (code, s390_r13, 0);
3526 s390_llong(code, ins->inst_imm);
3527 s390_lg (code, s390_r13, 0, s390_r13, 4);
3529 s390_msgr (code, ins->dreg, s390_r13);
3534 s390_ltgr (code, s390_r1, ins->sreg1);
3535 s390_jz (code, 0); CODEPTR(code, o[0]);
3536 s390_ltgr (code, s390_r0, ins->sreg2);
3538 s390_lghi (code, s390_r1, 0);
3539 s390_j (code, 0); CODEPTR(code, o[1]);
3540 s390_xgr (code, s390_r0, s390_r1);
3541 s390_msgr (code, s390_r1, ins->sreg2);
3542 s390_xgr (code, s390_r0, s390_r1);
3543 s390_srlg (code, s390_r0, s390_r0, 0, 63);
3544 s390_ltgr (code, s390_r0, s390_r0);
3545 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3546 PTRSLOT (code, o[0]);
3547 PTRSLOT (code, o[1]);
3548 s390_lgr (code, ins->dreg, s390_r1);
3551 case OP_LMUL_OVF_UN: {
3552 s390_lghi (code, s390_r0, 0);
3553 s390_lgr (code, s390_r1, ins->sreg1);
3554 s390_mlgr (code, s390_r0, ins->sreg2);
3555 s390_ltgr (code, s390_r0, s390_r0);
3556 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3557 s390_lgr (code, ins->dreg, s390_r1);
3561 g_assert_not_reached ();
3563 s390_algr (code, ins->dreg, src2);
3568 s390_agr (code, ins->dreg, src2);
3572 g_assert_not_reached ();
3574 s390_alcgr (code, ins->dreg, src2);
3578 if (ins->dreg != ins->sreg1) {
3579 s390_lgfr (code, ins->dreg, ins->sreg1);
3581 if (s390_is_imm16 (ins->inst_imm)) {
3582 s390_aghi(code, ins->dreg, ins->inst_imm);
3584 s390_basr (code, s390_r13, 0);
3586 s390_word (code, ins->inst_imm);
3587 s390_agf (code, ins->dreg, 0, s390_r13, 4);
3592 if (ins->dreg != ins->sreg1) {
3593 s390_lgfr (code, ins->dreg, ins->sreg1);
3595 if (s390_is_imm16 (ins->inst_imm)) {
3596 s390_lghi (code, s390_r0, ins->inst_imm);
3597 s390_alcgr (code, ins->dreg, s390_r0);
3599 s390_basr (code, s390_r13, 0);
3601 s390_word (code, ins->inst_imm);
3602 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3603 s390_alcgr (code, ins->dreg, s390_r13);
3608 case OP_S390_LADD_OVF: {
3610 s390_agr (code, ins->dreg, src2);
3611 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3614 case OP_LADD_OVF_UN:
3615 case OP_S390_LADD_OVF_UN: {
3617 s390_algr (code, ins->dreg, src2);
3618 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
3622 CHECK_SRCDST_NCOM_I;
3623 s390_slgr (code, ins->dreg, src2);
3627 CHECK_SRCDST_NCOM_I;
3628 s390_sgr (code, ins->dreg, src2);
3632 CHECK_SRCDST_NCOM_I;
3633 s390_slbgr (code, ins->dreg, src2);
3637 if (ins->dreg != ins->sreg1) {
3638 s390_lgfr (code, ins->dreg, ins->sreg1);
3640 if (s390_is_imm16 (-ins->inst_imm)) {
3641 s390_aghi (code, ins->dreg, -ins->inst_imm);
3643 s390_basr (code, s390_r13, 0);
3645 s390_word (code, ins->inst_imm);
3646 s390_sgf (code, ins->dreg, 0, s390_r13, 4);
3651 s390_basr (code, s390_r13, 0);
3653 s390_word (code, ins->inst_imm);
3654 s390_slgf (code, ins->dreg, 0, s390_r13, 4);
3658 case OP_S390_ISUB_OVF: {
3660 s390_sr (code, ins->dreg, src2);
3661 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3662 s390_lgfr (code, ins->dreg, ins->dreg);
3665 case OP_ISUB_OVF_UN:
3666 case OP_S390_ISUB_OVF_UN: {
3668 s390_slr (code, ins->dreg, src2);
3669 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
3670 s390_llgfr(code, ins->dreg, ins->dreg);
3674 case OP_S390_LSUB_OVF: {
3676 s390_sgr (code, ins->dreg, src2);
3677 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
3680 case OP_LSUB_OVF_UN:
3681 case OP_S390_LSUB_OVF_UN: {
3683 s390_slgr (code, ins->dreg, src2);
3684 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
3688 CHECK_SRCDST_NCOM_I;
3689 s390_ngr (code, ins->dreg, src2);
3693 if (ins->dreg != ins->sreg1) {
3694 s390_lgfr (code, ins->dreg, ins->sreg1);
3696 if (s390_is_imm16 (ins->inst_imm)) {
3697 s390_lghi (code, s390_r0, ins->inst_imm);
3698 s390_ngr (code, ins->dreg, s390_r0);
3700 s390_basr (code, s390_r13, 0);
3702 s390_llong(code, ins->inst_imm);
3703 s390_ng (code, ins->dreg, 0, s390_r13, 4);
3708 s390_lgfr (code, s390_r0, ins->sreg1);
3709 s390_srda (code, s390_r0, 0, 32);
3710 s390_dr (code, s390_r0, ins->sreg2);
3711 s390_lgfr (code, ins->dreg, s390_r1);
3715 s390_lgfr (code, s390_r0, ins->sreg1);
3716 s390_srdl (code, s390_r0, 0, 32);
3717 s390_dlr (code, s390_r0, ins->sreg2);
3718 s390_lgfr (code, ins->dreg, s390_r1);
3722 if (s390_is_imm16 (ins->inst_imm)) {
3723 s390_lghi (code, s390_r13, ins->inst_imm);
3724 s390_lgfr (code, s390_r0, ins->sreg1);
3726 s390_basr (code, s390_r13, 0);
3728 s390_word (code, ins->inst_imm);
3729 s390_lgfr (code, s390_r0, ins->sreg1);
3730 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3732 s390_srda (code, s390_r0, 0, 32);
3733 s390_dr (code, s390_r0, ins->sreg2);
3734 s390_lgfr (code, ins->dreg, s390_r1);
3738 s390_lgfr (code, s390_r0, ins->sreg1);
3739 s390_srda (code, s390_r0, 0, 32);
3740 s390_dr (code, s390_r0, ins->sreg2);
3741 s390_lgfr (code, ins->dreg, s390_r0);
3744 s390_lgfr (code, s390_r0, ins->sreg1);
3745 s390_srdl (code, s390_r0, 0, 32);
3746 s390_dlr (code, s390_r0, ins->sreg2);
3747 s390_lgfr (code, ins->dreg, s390_r0);
3751 if (s390_is_imm16 (ins->inst_imm)) {
3752 s390_lghi (code, s390_r13, ins->inst_imm);
3753 s390_lgfr (code, s390_r0, ins->sreg1);
3755 s390_basr (code, s390_r13, 0);
3757 s390_word (code, ins->inst_imm);
3758 s390_lgfr (code, s390_r0, ins->sreg1);
3759 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3761 s390_srda (code, s390_r0, 0, 32);
3762 s390_dr (code, s390_r0, ins->sreg2);
3763 s390_lgfr (code, ins->dreg, s390_r0);
3768 s390_ogr (code, ins->dreg, src2);
3772 if (ins->dreg != ins->sreg1) {
3773 s390_lgfr (code, ins->dreg, ins->sreg1);
3775 if (s390_is_imm16 (ins->inst_imm)) {
3776 s390_lghi (code, s390_r0, ins->inst_imm);
3777 s390_ogr (code, ins->dreg, s390_r0);
3779 s390_basr (code, s390_r13, 0);
3781 s390_llong(code, ins->inst_imm);
3782 s390_og (code, ins->dreg, 0, s390_r13, 4);
3788 s390_xgr (code, ins->dreg, src2);
3792 if (ins->dreg != ins->sreg1) {
3793 s390_lgfr (code, ins->dreg, ins->sreg1);
3795 if (s390_is_imm16 (ins->inst_imm)) {
3796 s390_lghi (code, s390_r0, ins->inst_imm);
3797 s390_xgr (code, ins->dreg, s390_r0);
3799 s390_basr (code, s390_r13, 0);
3801 s390_llong(code, ins->inst_imm);
3802 s390_xg (code, ins->dreg, 0, s390_r13, 4);
3808 s390_sll (code, ins->dreg, src2, 0);
3812 if (ins->sreg1 != ins->dreg) {
3813 s390_lgfr (code, ins->dreg, ins->sreg1);
3815 s390_sll (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3820 s390_sra (code, ins->dreg, src2, 0);
3824 if (ins->sreg1 != ins->dreg) {
3825 s390_lgfr (code, ins->dreg, ins->sreg1);
3827 s390_sra (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3830 case OP_ISHR_UN_IMM: {
3831 if (ins->sreg1 != ins->dreg) {
3832 s390_lgfr (code, ins->dreg, ins->sreg1);
3834 s390_srl (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
3839 s390_srl (code, ins->dreg, src2, 0);
3843 if (ins->sreg1 != ins->dreg) {
3844 s390_lgfr (code, ins->dreg, ins->sreg1);
3846 s390_lghi (code, s390_r0, -1);
3847 s390_xgr (code, ins->dreg, s390_r0);
3851 s390_lcgr (code, ins->dreg, ins->sreg1);
3856 s390_msr (code, ins->dreg, src2);
3860 if (ins->dreg != ins->sreg1) {
3861 s390_lgfr (code, ins->dreg, ins->sreg1);
3863 if (s390_is_imm16 (ins->inst_imm)) {
3864 s390_lghi (code, s390_r13, ins->inst_imm);
3866 s390_basr (code, s390_r13, 0);
3868 s390_word (code, ins->inst_imm);
3869 s390_lgf (code, s390_r13, 0, s390_r13, 4);
3871 s390_msr (code, ins->dreg, s390_r13);
3876 s390_ltr (code, s390_r1, ins->sreg1);
3877 s390_jz (code, 0); CODEPTR(code, o[0]);
3878 s390_ltr (code, s390_r0, ins->sreg2);
3880 s390_lhi (code, s390_r1, 0);
3881 s390_j (code, 0); CODEPTR(code, o[1]);
3882 s390_xr (code, s390_r0, s390_r1);
3883 s390_msr (code, s390_r1, ins->sreg2);
3884 s390_xr (code, s390_r0, s390_r1);
3885 s390_srl (code, s390_r0, 0, 31);
3886 s390_ltr (code, s390_r0, s390_r0);
3887 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3888 PTRSLOT (code, o[0]);
3889 PTRSLOT (code, o[1]);
3890 s390_lgfr (code, ins->dreg, s390_r1);
3893 case OP_IMUL_OVF_UN: {
3894 s390_lhi (code, s390_r0, 0);
3895 s390_lr (code, s390_r1, ins->sreg1);
3896 s390_mlr (code, s390_r0, ins->sreg2);
3897 s390_ltr (code, s390_r0, s390_r0);
3898 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ, "OverflowException");
3899 s390_lgfr (code, ins->dreg, s390_r1);
3904 if (s390_is_imm16(ins->inst_c0)) {
3905 s390_lghi (code, ins->dreg, ins->inst_c0);
3907 s390_basr (code, s390_r13, 0);
3909 s390_llong(code, ins->inst_c0);
3910 s390_lg (code, ins->dreg, 0, s390_r13, 4);
3915 s390_basr (code, s390_r13, 0);
3917 mono_add_patch_info (cfg, code - cfg->native_code,
3918 (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
3919 s390_llong(code, 0);
3920 s390_lg (code,ins->dreg, 0, s390_r13, 4);
3923 case OP_JUMP_TABLE: {
3924 mono_add_patch_info (cfg, code - cfg->native_code,
3925 (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
3926 s390_basr (code, s390_r13, 0);
3928 s390_llong (code, 0);
3929 s390_lg (code, ins->dreg, 0, s390_r13, 4);
3933 if (ins->dreg != ins->sreg1) {
3934 s390_lgr (code, ins->dreg, ins->sreg1);
3938 case OP_LCONV_TO_I8:
3940 s390_lgfr (code, ins->dreg, ins->sreg1);
3942 case OP_LCONV_TO_I4:
3943 s390_lgfr (code, ins->dreg, ins->sreg1);
3946 case OP_LCONV_TO_U8:
3947 case OP_LCONV_TO_U4:
3949 s390_llgfr (code, ins->dreg, ins->sreg1);
3951 case OP_LCONV_TO_OVF_U4:
3952 s390_basr (code, s390_r13, 0);
3954 s390_llong(code, 4294967295);
3955 s390_clg (code, ins->sreg1, 0, s390_r13, 4);
3956 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, "OverflowException");
3957 s390_ltgr (code, ins->sreg1, ins->sreg1);
3958 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
3959 s390_llgfr(code, ins->dreg, ins->sreg1);
3961 case OP_LCONV_TO_OVF_I4_UN:
3962 s390_basr (code, s390_r13, 0);
3964 s390_llong(code, 2147483647);
3965 s390_cg (code, ins->sreg1, 0, s390_r13, 4);
3966 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, "OverflowException");
3967 s390_ltgr (code, ins->sreg1, ins->sreg1);
3968 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
3969 s390_lgfr (code, ins->dreg, ins->sreg1);
3972 case OP_FCONV_TO_R4: {
3973 if (ins->dreg != ins->sreg1) {
3974 s390_ldr (code, ins->dreg, ins->sreg1);
3978 case OP_S390_SETF4RET: {
3979 s390_ledbr (code, ins->dreg, ins->sreg1);
3983 if (cfg->method->save_lmf)
3984 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
3986 if (cfg->flags & MONO_CFG_HAS_TAIL) {
3987 code = emit_load_volatile_arguments (code, cfg);
3990 code = backUpStackPtr(cfg, code);
3991 s390_lg (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
3992 mono_add_patch_info (cfg, code - cfg->native_code,
3993 MONO_PATCH_INFO_METHOD_JUMP,
3995 s390_jcl (code, S390_CC_UN, 0);
3998 case OP_CHECK_THIS: {
3999 /* ensure ins->sreg1 is not NULL */
4000 s390_lg (code, s390_r0, 0, ins->sreg1, 0);
4001 s390_ltgr (code, s390_r0, s390_r0);
4005 int offset = cfg->sig_cookie + cfg->stack_usage;
4007 if (s390_is_imm16 (offset))
4008 s390_lghi (code, s390_r0, offset);
4010 s390_basr (code, s390_r13, 0);
4012 s390_llong(code, offset);
4013 s390_lg (code, s390_r0, 0, s390_r13, 0);
4015 s390_agr (code, s390_r0, cfg->frame_reg);
4016 s390_stg (code, s390_r0, 0, ins->sreg1, 0);
4020 s390_basr (code, s390_r13, 0);
4022 call = (MonoCallInst*)ins;
4023 if (ins->flags & MONO_INST_HAS_METHOD)
4024 mono_add_patch_info (cfg, code-cfg->native_code,
4025 MONO_PATCH_INFO_METHOD,
4028 mono_add_patch_info (cfg, code-cfg->native_code,
4029 MONO_PATCH_INFO_ABS,
4031 s390_llong(code, 0);
4032 s390_lg (code, s390_r14, 0, s390_r13, 4);
4033 s390_basr (code, s390_r14, s390_r14);
4034 if (call->signature->ret->type == MONO_TYPE_R4)
4035 s390_ldebr (code, s390_f0, s390_f0);
4043 s390_basr (code, s390_r13, 0);
4045 call = (MonoCallInst*)ins;
4046 if (ins->flags & MONO_INST_HAS_METHOD)
4047 mono_add_patch_info (cfg, code-cfg->native_code,
4048 MONO_PATCH_INFO_METHOD,
4051 mono_add_patch_info (cfg, code-cfg->native_code,
4052 MONO_PATCH_INFO_ABS,
4054 s390_llong(code, 0);
4055 s390_lg (code, s390_r14, 0, s390_r13, 4);
4056 s390_basr (code, s390_r14, s390_r14);
4059 case OP_FCALL_REG: {
4060 call = (MonoCallInst*)ins;
4061 s390_lgr (code, s390_r1, ins->sreg1);
4062 s390_basr (code, s390_r14, s390_r1);
4063 if (call->signature->ret->type == MONO_TYPE_R4)
4064 s390_ldebr (code, s390_f0, s390_f0);
4070 case OP_VOIDCALL_REG:
4072 s390_lgr (code, s390_r1, ins->sreg1);
4073 s390_basr (code, s390_r14, s390_r1);
4076 case OP_FCALL_MEMBASE: {
4077 call = (MonoCallInst*)ins;
4078 s390_lg (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
4079 s390_basr (code, s390_r14, s390_r1);
4080 if (call->signature->ret->type == MONO_TYPE_R4)
4081 s390_ldebr (code, s390_f0, s390_f0);
4084 case OP_LCALL_MEMBASE:
4085 case OP_VCALL_MEMBASE:
4086 case OP_VCALL2_MEMBASE:
4087 case OP_VOIDCALL_MEMBASE:
4088 case OP_CALL_MEMBASE: {
4089 s390_lg (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
4090 s390_basr (code, s390_r14, s390_r1);
4094 g_assert_not_reached ();
4097 int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
4098 int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
4099 s390_lgr (code, s390_r1, ins->sreg1);
4100 if (ins->flags & MONO_INST_INIT)
4101 s390_lgr (code, s390_r0, ins->sreg1);
4102 s390_aghi (code, s390_r1, 14);
4103 s390_srlg (code, s390_r1, s390_r1, 0, 3);
4104 s390_sllg (code, s390_r1, s390_r1, 0, 3);
4105 if (cfg->method->save_lmf) {
4106 /*----------------------------------*/
4107 /* we have to adjust lmf ebp value */
4108 /*----------------------------------*/
4109 int lmfOffset = cfg->stack_usage - sizeof(MonoLMF);
4111 s390_lgr (code, s390_r13, cfg->frame_reg);
4112 if (s390_is_imm16(lmfOffset))
4113 s390_aghi (code, s390_r13, lmfOffset);
4115 s390_basr (code, s390_r14, 0);
4117 s390_word (code, lmfOffset);
4118 s390_agf (code, s390_r13, 0, s390_r14, 4);
4120 s390_lgr (code, s390_r14, STK_BASE);
4121 s390_sgr (code, s390_r14, s390_r1);
4122 s390_stg (code, s390_r14, 0, s390_r13,
4123 G_STRUCT_OFFSET(MonoLMF, ebp));
4125 s390_lg (code, s390_r13, 0, STK_BASE, 0);
4126 s390_sgr (code, STK_BASE, s390_r1);
4127 s390_stg (code, s390_r13, 0, STK_BASE, 0);
4128 s390_la (code, ins->dreg, 0, STK_BASE, area_offset);
4129 s390_srlg (code, ins->dreg, ins->dreg, 0, 3);
4130 s390_sllg (code, ins->dreg, ins->dreg, 0, 3);
4131 if (ins->flags & MONO_INST_INIT) {
4132 s390_lgr (code, s390_r1, s390_r0);
4133 s390_lgr (code, s390_r0, ins->dreg);
4134 s390_lgr (code, s390_r14, s390_r12);
4135 s390_lghi (code, s390_r13, 0);
4136 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
4138 s390_lgr (code, s390_r12, s390_r14);
4143 s390_lgr (code, s390_r2, ins->sreg1);
4144 s390_basr (code, s390_r13, 0);
4146 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
4147 (gpointer) "mono_arch_throw_exception");
4148 s390_llong(code, 0);
4149 s390_lg (code, s390_r14, 0, s390_r13, 4);
4150 s390_basr (code, s390_r14, s390_r14);
4154 s390_lgr (code, s390_r2, ins->sreg1);
4155 s390_basr (code, s390_r13, 0);
4157 mono_add_patch_info (cfg, code-cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
4158 (gpointer) "mono_arch_rethrow_exception");
4159 s390_llong(code, 0);
4160 s390_lg (code, s390_r14, 0, s390_r13, 4);
4161 s390_basr (code, s390_r14, s390_r14);
4164 case OP_START_HANDLER: {
4165 MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
4167 S390_LONG (code, stg, stg, s390_r14, 0,
4168 spvar->inst_basereg,
4169 spvar->inst_offset);
4172 case OP_ENDFILTER: {
4173 MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
4175 if (ins->sreg1 != s390_r2)
4176 s390_lgr(code, s390_r2, ins->sreg1);
4177 S390_LONG (code, lg, lg, s390_r14, 0,
4178 spvar->inst_basereg,
4179 spvar->inst_offset);
4180 s390_br (code, s390_r14);
4183 case OP_ENDFINALLY: {
4184 MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
4186 S390_LONG (code, lg, lg, s390_r14, 0,
4187 spvar->inst_basereg,
4188 spvar->inst_offset);
4189 s390_br (code, s390_r14);
4192 case OP_CALL_HANDLER: {
4193 mono_add_patch_info (cfg, code-cfg->native_code,
4194 MONO_PATCH_INFO_BB, ins->inst_target_bb);
4195 s390_brasl (code, s390_r14, 0);
4199 ins->inst_c0 = code - cfg->native_code;
4204 case OP_DUMMY_STORE:
4205 case OP_NOT_REACHED:
4210 EMIT_UNCOND_BRANCH(ins);
4213 s390_br (code, ins->sreg1);
4219 s390_lghi(code, ins->dreg, 1);
4221 s390_lghi(code, ins->dreg, 0);
4227 s390_lghi(code, ins->dreg, 1);
4229 s390_lghi(code, ins->dreg, 0);
4235 s390_lghi(code, ins->dreg, 1);
4237 s390_lghi(code, ins->dreg, 0);
4243 s390_lghi(code, ins->dreg, 1);
4245 s390_lghi(code, ins->dreg, 0);
4251 s390_lghi(code, ins->dreg, 1);
4253 s390_lghi(code, ins->dreg, 0);
4256 case OP_COND_EXC_EQ:
4257 case OP_COND_EXC_IEQ:
4258 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ, ins->inst_p1);
4260 case OP_COND_EXC_NE_UN:
4261 case OP_COND_EXC_INE_UN:
4262 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE, ins->inst_p1);
4264 case OP_COND_EXC_LT:
4265 case OP_COND_EXC_ILT:
4266 case OP_COND_EXC_LT_UN:
4267 case OP_COND_EXC_ILT_UN:
4268 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, ins->inst_p1);
4270 case OP_COND_EXC_GT:
4271 case OP_COND_EXC_IGT:
4272 case OP_COND_EXC_GT_UN:
4273 case OP_COND_EXC_IGT_UN:
4274 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, ins->inst_p1);
4276 case OP_COND_EXC_GE:
4277 case OP_COND_EXC_IGE:
4278 case OP_COND_EXC_GE_UN:
4279 case OP_COND_EXC_IGE_UN:
4280 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE, ins->inst_p1);
4282 case OP_COND_EXC_LE:
4283 case OP_COND_EXC_ILE:
4284 case OP_COND_EXC_LE_UN:
4285 case OP_COND_EXC_ILE_UN:
4286 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE, ins->inst_p1);
4288 case OP_COND_EXC_OV:
4289 case OP_COND_EXC_IOV:
4290 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, ins->inst_p1);
4292 case OP_COND_EXC_NO:
4293 case OP_COND_EXC_INO:
4294 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO, ins->inst_p1);
4297 case OP_COND_EXC_IC:
4298 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, ins->inst_p1);
4300 case OP_COND_EXC_NC:
4301 case OP_COND_EXC_INC:
4302 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, ins->inst_p1);
4306 EMIT_COND_BRANCH (ins, S390_CC_EQ);
4310 EMIT_COND_BRANCH (ins, S390_CC_NE);
4316 EMIT_COND_BRANCH (ins, S390_CC_LT);
4322 EMIT_COND_BRANCH (ins, S390_CC_GT);
4328 EMIT_COND_BRANCH (ins, S390_CC_GE);
4334 EMIT_COND_BRANCH (ins, S390_CC_LE);
4337 /* floating point opcodes */
4339 if (*((float *) ins->inst_p0) == 0) {
4340 s390_lzdr (code, ins->dreg);
4342 s390_basr (code, s390_r13, 0);
4344 s390_llong (code, ins->inst_p0);
4345 s390_lg (code, s390_r13, 0, s390_r13, 4);
4346 s390_ld (code, ins->dreg, 0, s390_r13, 0);
4351 if (*((float *) ins->inst_p0) == 0) {
4352 s390_lzdr (code, ins->dreg);
4354 s390_basr (code, s390_r13, 0);
4356 s390_llong(code, ins->inst_p0);
4357 s390_lg (code, s390_r13, 0, s390_r13, 4);
4358 s390_ldeb (code, ins->dreg, 0, s390_r13, 0);
4362 case OP_STORER8_MEMBASE_REG: {
4363 S390_LONG (code, stdy, std, ins->sreg1, 0,
4364 ins->inst_destbasereg, ins->inst_offset);
4367 case OP_LOADR8_MEMBASE: {
4368 S390_LONG (code, ldy, ld, ins->dreg, 0,
4369 ins->inst_basereg, ins->inst_offset);
4372 case OP_STORER4_MEMBASE_REG: {
4373 s390_ledbr (code, s390_f15, ins->sreg1);
4374 S390_LONG (code, stey, ste, s390_f15, 0,
4375 ins->inst_destbasereg, ins->inst_offset);
4378 case OP_LOADR4_MEMBASE: {
4379 S390_LONG (code, ldy, ld, s390_f15, 0,
4380 ins->inst_basereg, ins->inst_offset);
4381 s390_ldebr (code, ins->dreg, s390_f15);
4384 case OP_ICONV_TO_R_UN: {
4385 s390_cdfbr (code, ins->dreg, ins->sreg1);
4386 s390_ltr (code, ins->sreg1, ins->sreg1);
4387 s390_jnl (code, 12);
4388 s390_basr (code, s390_r13, 0);
4390 s390_word (code, 0x41f00000);
4391 s390_word (code, 0);
4392 s390_adb (code, ins->dreg, 0, s390_r13, 4);
4395 case OP_LCONV_TO_R_UN: {
4396 s390_cdgbr (code, ins->dreg, ins->sreg1);
4397 s390_ltgr (code, ins->sreg1, ins->sreg1);
4398 s390_jnl (code, 12);
4399 s390_basr (code, s390_r13, 0);
4401 s390_word (code, 0x41f00000);
4402 s390_word (code, 0);
4403 s390_adb (code, ins->dreg, 0, s390_r13, 4);
4406 case OP_LCONV_TO_R4:
4407 case OP_ICONV_TO_R4: {
4408 s390_cdgbr (code, ins->dreg, ins->sreg1);
4411 case OP_LCONV_TO_R8:
4412 case OP_ICONV_TO_R8: {
4413 s390_cdgbr (code, ins->dreg, ins->sreg1);
4416 case OP_FCONV_TO_I1:
4417 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, TRUE);
4419 case OP_FCONV_TO_U1:
4420 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 1, FALSE);
4422 case OP_FCONV_TO_I2:
4423 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, TRUE);
4425 case OP_FCONV_TO_U2:
4426 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 2, FALSE);
4428 case OP_FCONV_TO_I4:
4430 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, TRUE);
4432 case OP_FCONV_TO_U4:
4434 code = emit_float_to_int (cfg, code, ins->dreg, ins->sreg1, 4, FALSE);
4436 case OP_FCONV_TO_I8:
4437 s390_cgdbr (code, ins->dreg, 5, ins->sreg1);
4439 case OP_LCONV_TO_OVF_I: {
4440 /* Valid ints: 0xffffffff:8000000 to 00000000:0x7f000000 */
4442 s390_ltgr (code, ins->sreg2, ins->sreg2);
4443 s390_jnl (code, 0); CODEPTR(code, o[0]);
4444 s390_ltgr (code, ins->sreg1, ins->sreg1);
4445 s390_jnl (code, 0); CODEPTR(code, o[1]);
4446 s390_lhi (code, s390_r13, -1);
4447 s390_cgr (code, ins->sreg1, s390_r13);
4448 s390_jnz (code, 0); CODEPTR(code, o[2]);
4449 if (ins->dreg != ins->sreg2)
4450 s390_lgr (code, ins->dreg, ins->sreg2);
4451 s390_j (code, 0); CODEPTR(code, o[3]);
4452 PTRSLOT(code, o[0]);
4453 s390_jz (code, 0); CODEPTR(code, o[4]);
4454 PTRSLOT(code, o[1]);
4455 PTRSLOT(code, o[2]);
4456 mono_add_patch_info (cfg, code - cfg->native_code,
4457 MONO_PATCH_INFO_EXC, "OverflowException");
4458 s390_brasl (code, s390_r14, 0);
4459 PTRSLOT(code, o[3]);
4460 PTRSLOT(code, o[4]);
4464 s390_lpdbr (code, ins->dreg, ins->sreg1);
4468 s390_sqdbr (code, ins->dreg, ins->sreg1);
4473 s390_adbr (code, ins->dreg, src2);
4477 CHECK_SRCDST_NCOM_F;
4478 s390_sdbr (code, ins->dreg, src2);
4483 s390_mdbr (code, ins->dreg, src2);
4487 CHECK_SRCDST_NCOM_F;
4488 s390_ddbr (code, ins->dreg, src2);
4492 s390_lcdbr (code, ins->dreg, ins->sreg1);
4496 CHECK_SRCDST_NCOM_F;
4497 s390_didbr (code, ins->dreg, src2, 5, s390_f15);
4501 s390_cdbr (code, ins->sreg1, ins->sreg2);
4505 s390_cdbr (code, ins->sreg1, ins->sreg2);
4506 s390_lghi (code, ins->dreg, 1);
4508 s390_lghi (code, ins->dreg, 0);
4512 s390_cdbr (code, ins->sreg1, ins->sreg2);
4513 s390_lghi (code, ins->dreg, 1);
4515 s390_lghi (code, ins->dreg, 0);
4519 s390_cdbr (code, ins->sreg1, ins->sreg2);
4520 s390_lghi (code, ins->dreg, 1);
4522 s390_lghi (code, ins->dreg, 0);
4526 s390_cdbr (code, ins->sreg1, ins->sreg2);
4527 s390_lghi (code, ins->dreg, 1);
4529 s390_lghi (code, ins->dreg, 0);
4533 s390_cdbr (code, ins->sreg1, ins->sreg2);
4534 s390_lghi (code, ins->dreg, 1);
4536 s390_lghi (code, ins->dreg, 0);
4541 s390_jo (code, 0); CODEPTR(code, o);
4542 EMIT_COND_BRANCH (ins, S390_CC_EQ);
4547 EMIT_COND_BRANCH (ins, S390_CC_NE|S390_CC_OV);
4551 s390_jo (code, 0); CODEPTR(code, o);
4552 EMIT_COND_BRANCH (ins, S390_CC_LT);
4557 EMIT_COND_BRANCH (ins, S390_CC_LT|S390_CC_OV);
4561 s390_jo (code, 0); CODEPTR(code, o);
4562 EMIT_COND_BRANCH (ins, S390_CC_GT);
4567 EMIT_COND_BRANCH (ins, S390_CC_GT|S390_CC_OV);
4571 s390_jo (code, 0); CODEPTR(code, o);
4572 EMIT_COND_BRANCH (ins, S390_CC_GE);
4577 EMIT_COND_BRANCH (ins, S390_CC_GE|S390_CC_OV);
4581 s390_jo (code, 0); CODEPTR(code, o);
4582 EMIT_COND_BRANCH (ins, S390_CC_LE);
4587 EMIT_COND_BRANCH (ins, S390_CC_LE|S390_CC_OV);
4591 s390_lhi (code, s390_r13, 0x7f);
4592 s390_tcdb (code, ins->sreg1, 0, s390_r13, 0);
4593 s390_jz (code, 0); CODEPTR(code, o);
4594 mono_add_patch_info (cfg, code - cfg->native_code,
4595 MONO_PATCH_INFO_EXC, "ArithmeticException");
4596 s390_brasl (code, s390_r14,0);
4600 case OP_S390_MOVE: {
4601 if (ins->backend.size > 0) {
4602 if (ins->backend.size <= 256) {
4603 s390_mvc (code, ins->backend.size, ins->dreg,
4604 ins->inst_offset, ins->sreg1, ins->inst_imm);
4606 s390_lgr (code, s390_r0, ins->dreg);
4607 if (s390_is_imm16 (ins->inst_offset)) {
4608 s390_aghi (code, s390_r0, ins->inst_offset);
4610 s390_basr (code, s390_r13, 0);
4612 s390_llong(code, ins->inst_offset);
4613 s390_a (code, s390_r0, 0, s390_r13, 4);
4615 s390_lgr (code, s390_r12, ins->sreg1);
4616 if (s390_is_imm16 (ins->inst_imm)) {
4617 s390_aghi (code, s390_r12, ins->inst_imm);
4619 s390_basr (code, s390_r13, 0);
4621 s390_llong(code, ins->inst_imm);
4622 s390_ag (code, s390_r12, 0, s390_r13, 4);
4624 s390_lgr (code, s390_r1, ins->sreg1);
4625 s390_lgr (code, s390_r13, s390_r1);
4626 s390_mvcle(code, s390_r0, s390_r12, 0, 0);
4632 case OP_ATOMIC_ADD_I8: {
4633 s390_lgr (code, s390_r1, ins->sreg2);
4634 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4635 s390_agr (code, s390_r1, s390_r0);
4636 s390_csg (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4637 s390_jnz (code, -10);
4638 s390_lgr (code, ins->dreg, s390_r1);
4641 case OP_ATOMIC_ADD_NEW_I8: {
4642 s390_lgr (code, s390_r1, ins->sreg2);
4643 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4644 s390_agr (code, s390_r1, s390_r0);
4645 s390_csg (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4646 s390_jnz (code, -10);
4647 s390_lgr (code, ins->dreg, s390_r1);
4650 case OP_ATOMIC_EXCHANGE_I8: {
4651 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4652 s390_csg (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
4653 s390_jnz (code, -6);
4654 s390_lgr (code, ins->dreg, s390_r0);
4657 case OP_ATOMIC_ADD_I4: {
4658 s390_lgfr(code, s390_r1, ins->sreg2);
4659 s390_lgf (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4660 s390_agr (code, s390_r1, s390_r0);
4661 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4662 s390_jnz (code, -9);
4663 s390_lgfr(code, ins->dreg, s390_r1);
4666 case OP_ATOMIC_ADD_NEW_I4: {
4667 s390_lgfr(code, s390_r1, ins->sreg2);
4668 s390_lgf (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4669 s390_agr (code, s390_r1, s390_r0);
4670 s390_cs (code, s390_r0, s390_r1, ins->inst_basereg, ins->inst_offset);
4671 s390_jnz (code, -9);
4672 s390_lgfr(code, ins->dreg, s390_r1);
4675 case OP_ATOMIC_EXCHANGE_I4: {
4676 s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
4677 s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
4678 s390_jnz (code, -4);
4679 s390_lgfr(code, ins->dreg, s390_r0);
4682 case OP_S390_BKCHAIN: {
4683 s390_lgr (code, ins->dreg, ins->sreg1);
4684 if (s390_is_imm16 (cfg->stack_offset)) {
4685 s390_aghi (code, ins->dreg, cfg->stack_offset);
4687 s390_basr (code, s390_r13, 0);
4689 s390_llong(code, cfg->stack_offset);
4690 s390_ag (code, ins->dreg, 0, s390_r13, 4);
4694 case OP_MEMORY_BARRIER: {
4698 g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
4699 g_assert_not_reached ();
4702 if ((cfg->opt & MONO_OPT_BRANCH) && ((code - cfg->native_code - offset) > max_len)) {
4703 g_warning ("wrong maximal instruction length of instruction %s (expected %d, got %ld)",
4704 mono_inst_name (ins->opcode), max_len, code - cfg->native_code - offset);
4705 g_assert_not_reached ();
4710 last_offset = offset;
4713 cfg->code_len = code - cfg->native_code;
4716 /*========================= End of Function ========================*/
4718 /*------------------------------------------------------------------*/
4720 /* Name - mono_arch_register_lowlevel_calls */
4722 /* Function - Register routines to help with --trace operation. */
4724 /*------------------------------------------------------------------*/
4727 mono_arch_register_lowlevel_calls (void)
4729 mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
4732 /*========================= End of Function ========================*/
4734 /*------------------------------------------------------------------*/
4736 /* Name - mono_arch_patch_code */
4738 /* Function - Process the patch data created during the */
4739 /* instruction build process. This resolves jumps, */
4740 /* calls, variables etc. */
4742 /*------------------------------------------------------------------*/
4745 mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
4746 guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
4748 MonoJumpInfo *patch_info;
4750 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
4751 unsigned char *ip = patch_info->ip.i + code;
4752 gconstpointer target = NULL;
4754 target = mono_resolve_patch_target (method, domain, code,
4755 patch_info, run_cctors);
4757 switch (patch_info->type) {
4758 case MONO_PATCH_INFO_IP:
4759 case MONO_PATCH_INFO_EXC_NAME:
4760 case MONO_PATCH_INFO_LDSTR:
4761 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
4762 case MONO_PATCH_INFO_LDTOKEN:
4763 case MONO_PATCH_INFO_EXC:
4764 case MONO_PATCH_INFO_ABS:
4765 case MONO_PATCH_INFO_METHOD:
4766 case MONO_PATCH_INFO_INTERNAL_METHOD:
4767 case MONO_PATCH_INFO_CLASS_INIT:
4768 s390_patch_addr (ip, (guint64) target);
4770 case MONO_PATCH_INFO_SWITCH:
4771 /*----------------------------------*/
4772 /* ip points at the basr r13,0/j +4 */
4773 /* instruction the vtable value */
4774 /* follows this (i.e. ip+6) */
4775 /*----------------------------------*/
4776 *((gconstpointer *)(ip+6)) = target;
4778 case MONO_PATCH_INFO_METHODCONST:
4779 case MONO_PATCH_INFO_CLASS:
4780 case MONO_PATCH_INFO_IMAGE:
4781 case MONO_PATCH_INFO_FIELD:
4782 case MONO_PATCH_INFO_IID:
4783 target = S390_RELATIVE(target, ip);
4784 s390_patch_rel (ip, (guint64) target);
4786 case MONO_PATCH_INFO_R4:
4787 case MONO_PATCH_INFO_R8:
4788 case MONO_PATCH_INFO_METHOD_REL:
4789 g_assert_not_reached ();
4792 target = S390_RELATIVE(target, ip);
4794 s390_patch_rel (ip, (guint64) target);
4799 /*========================= End of Function ========================*/
4801 /*------------------------------------------------------------------*/
4803 /* Name - emit_load_volatile_arguments */
4805 /* Function - Emit the instructions to reload parameter regist- */
4806 /* registers for use with "tail" operations. */
4808 /* The register loading operations performed here */
4809 /* are the mirror of the store operations performed */
4810 /* in mono_arch_emit_prolog and need to be kept in */
4811 /* synchronization with it. */
4813 /*------------------------------------------------------------------*/
4816 emit_load_volatile_arguments (guint8 *code, MonoCompile *cfg)
4819 MonoMethod *method = cfg->method;
4820 MonoMethodSignature *sig = mono_method_signature(method);
4824 cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
4826 if (cinfo->struct_ret) {
4827 ArgInfo *ainfo = &cinfo->ret;
4828 inst = cfg->vret_addr;
4829 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4832 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
4833 ArgInfo *ainfo = cinfo->args + i;
4834 inst = cfg->args [pos];
4836 if (inst->opcode == OP_REGVAR) {
4837 if (ainfo->regtype == RegTypeGeneral)
4838 s390_lgr (code, ainfo->reg, inst->dreg);
4839 else if (ainfo->regtype == RegTypeFP) {
4840 if (inst->dreg != ainfo->reg) {
4841 if (ainfo->size == 4) {
4842 s390_ldebr (code, ainfo->reg, inst->dreg);
4844 s390_ldr (code, ainfo->reg, inst->dreg);
4848 else if (ainfo->regtype == RegTypeBase) {
4850 g_assert_not_reached ();
4852 if (ainfo->regtype == RegTypeGeneral) {
4853 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
4854 g_assert_not_reached();
4855 switch (ainfo->size) {
4857 s390_llgc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4860 s390_lgh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4863 s390_lgf (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4866 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4869 } else if (ainfo->regtype == RegTypeBase) {
4870 } else if (ainfo->regtype == RegTypeFP) {
4871 if (ainfo->size == 8)
4872 s390_ld (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4873 else if (ainfo->size == 4)
4874 s390_le (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4876 g_assert_not_reached ();
4877 } else if (ainfo->regtype == RegTypeStructByVal) {
4878 if (ainfo->reg != STK_BASE) {
4879 switch (ainfo->size) {
4881 s390_llgc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4884 s390_lgh (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4887 s390_lgf (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4890 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4894 } else if (ainfo->regtype == RegTypeStructByAddr) {
4895 if (ainfo->reg != STK_BASE) {
4896 s390_lg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
4899 g_assert_not_reached ();
4907 /*========================= End of Function ========================*/
4909 /*------------------------------------------------------------------*/
4911 /* Name - mono_arch_emit_prolog */
4913 /* Function - Create the instruction sequence for a function */
4916 /*------------------------------------------------------------------*/
4919 mono_arch_emit_prolog (MonoCompile *cfg)
4921 MonoMethod *method = cfg->method;
4923 MonoMethodSignature *sig;
4925 int alloc_size, pos, max_offset, i;
4931 cfg->code_size = 512;
4933 if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
4935 cfg->code_size += 256;
4938 if (method->save_lmf)
4939 cfg->code_size += 200;
4941 cfg->native_code = code = g_malloc (cfg->code_size);
4943 s390_stmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
4945 if (cfg->arch.bkchain_reg != -1)
4946 s390_lgr (code, cfg->arch.bkchain_reg, STK_BASE);
4948 if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
4949 cfg->used_int_regs |= 1 << 11;
4952 alloc_size = cfg->stack_offset;
4954 cfg->stack_usage = alloc_size;
4955 s390_lgr (code, s390_r11, STK_BASE);
4956 if (s390_is_imm16 (alloc_size)) {
4957 s390_aghi (code, STK_BASE, -alloc_size);
4959 int stackSize = alloc_size;
4960 while (stackSize > 32767) {
4961 s390_aghi (code, STK_BASE, -32767);
4964 s390_aghi (code, STK_BASE, -stackSize);
4966 s390_stg (code, s390_r11, 0, STK_BASE, 0);
4968 if (cfg->frame_reg != STK_BASE)
4969 s390_lgr (code, s390_r11, STK_BASE);
4971 /* compute max_offset in order to use short forward jumps
4972 * we always do it on s390 because the immediate displacement
4973 * for jumps is too small
4976 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4978 bb->max_offset = max_offset;
4980 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4983 MONO_BB_FOR_EACH_INS (bb, ins)
4984 max_offset += ((guint8 *)ins_get_spec (ins->opcode))[MONO_INST_LEN];
4987 /* load arguments allocated to register from the stack */
4988 sig = mono_method_signature (method);
4991 cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
4993 if (cinfo->struct_ret) {
4994 ArgInfo *ainfo = &cinfo->ret;
4995 inst = cfg->vret_addr;
4996 inst->backend.size = ainfo->vtsize;
4997 s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5000 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
5001 ArgInfo *ainfo = cinfo->args + i;
5002 inst = cfg->args [pos];
5004 if (inst->opcode == OP_VTARG_ADDR)
5005 inst = inst->inst_left;
5007 if (inst->opcode == OP_REGVAR) {
5008 if (ainfo->regtype == RegTypeGeneral)
5009 s390_lgr (code, inst->dreg, ainfo->reg);
5010 else if (ainfo->regtype == RegTypeFP) {
5011 if (inst->dreg != ainfo->reg) {
5012 if (ainfo->size == 4) {
5013 s390_ledbr (code, inst->dreg, ainfo->reg);
5015 s390_ldr (code, inst->dreg, ainfo->reg);
5019 else if (ainfo->regtype == RegTypeBase) {
5020 s390_lgr (code, s390_r13, STK_BASE);
5021 s390_aghi (code, s390_r13, alloc_size);
5022 s390_lg (code, inst->dreg, 0, s390_r13, ainfo->offset);
5024 g_assert_not_reached ();
5026 if (cfg->verbose_level > 2)
5027 g_print ("Argument %d assigned to register %s\n",
5028 pos, mono_arch_regname (inst->dreg));
5030 if (ainfo->regtype == RegTypeGeneral) {
5031 if (!((ainfo->reg >= 2) && (ainfo->reg <= 6)))
5032 g_assert_not_reached();
5033 switch (ainfo->size) {
5035 s390_stc (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5038 s390_sth (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5041 s390_st (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5044 s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5047 } else if (ainfo->regtype == RegTypeBase) {
5048 } else if (ainfo->regtype == RegTypeFP) {
5049 if (ainfo->size == 8)
5050 s390_std (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5051 else if (ainfo->size == 4)
5052 s390_ste (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5054 g_assert_not_reached ();
5055 } else if (ainfo->regtype == RegTypeStructByVal) {
5056 int doffset = inst->inst_offset;
5058 if (ainfo->reg != STK_BASE)
5062 s390_lgr (code, s390_r13, STK_BASE);
5063 s390_aghi (code, s390_r13, alloc_size);
5065 switch (ainfo->size) {
5067 if (ainfo->reg == STK_BASE)
5068 s390_ic (code, reg, 0, s390_r13, ainfo->offset+7);
5069 s390_stc (code, reg, 0, inst->inst_basereg, doffset);
5072 if (ainfo->reg == STK_BASE)
5073 s390_lh (code, reg, 0, s390_r13, ainfo->offset+6);
5074 s390_sth (code, reg, 0, inst->inst_basereg, doffset);
5077 if (ainfo->reg == STK_BASE)
5078 s390_l (code, reg, 0, s390_r13, ainfo->offset+4);
5079 s390_st (code, reg, 0, inst->inst_basereg, doffset);
5082 if (ainfo->reg == STK_BASE)
5083 s390_lg (code, reg, 0, s390_r13, ainfo->offset);
5084 s390_stg (code, reg, 0, inst->inst_basereg, doffset);
5087 } else if (ainfo->regtype == RegTypeStructByAddr) {
5088 s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
5090 g_assert_not_reached ();
5095 if (method->save_lmf) {
5096 /*---------------------------------------------------------------*/
5097 /* we build the MonoLMF structure on the stack - see mini-s390.h */
5098 /*---------------------------------------------------------------*/
5099 lmfOffset = alloc_size - sizeof(MonoLMF);
5101 s390_lgr (code, s390_r13, cfg->frame_reg);
5102 s390_aghi (code, s390_r13, lmfOffset);
5104 /*---------------------------------------------------------------*/
5105 /* Preserve the parameter registers while we fix up the lmf */
5106 /*---------------------------------------------------------------*/
5107 s390_stmg (code, s390_r2, s390_r6, s390_r13,
5108 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
5110 /*---------------------------------------------------------------*/
5111 /* On return from this call r2 have the address of the &lmf */
5112 /*---------------------------------------------------------------*/
5113 s390_basr(code, s390_r10, 0);
5115 mono_add_patch_info (cfg, code - cfg->native_code,
5116 MONO_PATCH_INFO_INTERNAL_METHOD,
5117 (gpointer)"mono_get_lmf_addr");
5118 s390_llong(code, 0);
5119 s390_lg (code, s390_r1, 0, s390_r10, 4);
5120 s390_basr (code, s390_r14, s390_r1);
5122 /*---------------------------------------------------------------*/
5123 /* Set lmf.lmf_addr = jit_tls->lmf */
5124 /*---------------------------------------------------------------*/
5125 s390_stg (code, s390_r2, 0, s390_r13,
5126 G_STRUCT_OFFSET(MonoLMF, lmf_addr));
5128 /*---------------------------------------------------------------*/
5129 /* Get current lmf */
5130 /*---------------------------------------------------------------*/
5131 s390_lg (code, s390_r0, 0, s390_r2, 0);
5133 /*---------------------------------------------------------------*/
5134 /* Set our lmf as the current lmf */
5135 /*---------------------------------------------------------------*/
5136 s390_stg (code, s390_r13, 0, s390_r2, 0);
5138 /*---------------------------------------------------------------*/
5139 /* Have our lmf.previous_lmf point to the last lmf */
5140 /*---------------------------------------------------------------*/
5141 s390_stg (code, s390_r0, 0, s390_r13,
5142 G_STRUCT_OFFSET(MonoLMF, previous_lmf));
5144 /*---------------------------------------------------------------*/
5145 /* save method info */
5146 /*---------------------------------------------------------------*/
5147 s390_basr (code, s390_r1, 0);
5149 s390_llong (code, method);
5150 s390_lg (code, s390_r1, 0, s390_r1, 4);
5151 s390_stg (code, s390_r1, 0, s390_r13,
5152 G_STRUCT_OFFSET(MonoLMF, method));
5154 /*---------------------------------------------------------------*/
5155 /* save the current IP */
5156 /*---------------------------------------------------------------*/
5157 s390_stg (code, STK_BASE, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, ebp));
5158 s390_basr (code, s390_r1, 0);
5159 s390_stg (code, s390_r1, 0, s390_r13, G_STRUCT_OFFSET(MonoLMF, eip));
5161 /*---------------------------------------------------------------*/
5162 /* Save general and floating point registers */
5163 /*---------------------------------------------------------------*/
5164 s390_stmg (code, s390_r2, s390_r12, s390_r13,
5165 G_STRUCT_OFFSET(MonoLMF, gregs[2]));
5166 for (i = 0; i < 16; i++) {
5167 s390_std (code, i, 0, s390_r13,
5168 G_STRUCT_OFFSET(MonoLMF, fregs[i]));
5171 /*---------------------------------------------------------------*/
5172 /* Restore the parameter registers now that we've set up the lmf */
5173 /*---------------------------------------------------------------*/
5174 s390_lmg (code, s390_r2, s390_r6, s390_r13,
5175 G_STRUCT_OFFSET(MonoLMF, pregs[0]));
5179 code = mono_arch_instrument_prolog(cfg, enter_method, code, TRUE);
5181 cfg->code_len = code - cfg->native_code;
5182 g_assert (cfg->code_len < cfg->code_size);
5187 /*========================= End of Function ========================*/
5189 /*------------------------------------------------------------------*/
5191 /* Name - mono_arch_emit_epilog */
5193 /* Function - Emit the instructions for a function epilog. */
5195 /*------------------------------------------------------------------*/
5198 mono_arch_emit_epilog (MonoCompile *cfg)
5200 MonoMethod *method = cfg->method;
5203 int max_epilog_size = 96;
5205 if (cfg->method->save_lmf)
5206 max_epilog_size += 128;
5208 if (mono_jit_trace_calls != NULL)
5209 max_epilog_size += 128;
5211 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
5212 max_epilog_size += 128;
5214 while ((cfg->code_len + max_epilog_size) > (cfg->code_size - 16)) {
5215 cfg->code_size *= 2;
5216 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
5217 mono_jit_stats.code_reallocs++;
5220 code = cfg->native_code + cfg->code_len;
5222 if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
5223 code = mono_arch_instrument_epilog (cfg, leave_method, code, TRUE);
5227 if (method->save_lmf)
5228 restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
5230 if (cfg->flags & MONO_CFG_HAS_ALLOCA)
5231 s390_lg (code, STK_BASE, 0, STK_BASE, 0);
5233 code = backUpStackPtr(cfg, code);
5235 s390_lmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
5236 s390_br (code, s390_r14);
5238 cfg->code_len = code - cfg->native_code;
5240 g_assert (cfg->code_len < cfg->code_size);
5244 /*========================= End of Function ========================*/
5246 /*------------------------------------------------------------------*/
5248 /* Name - mono_arch_emit_exceptions */
5250 /* Function - Emit the blocks to handle exception conditions. */
5252 /*------------------------------------------------------------------*/
5255 mono_arch_emit_exceptions (MonoCompile *cfg)
5257 MonoJumpInfo *patch_info;
5263 MonoClass *exc_classes [MAX_EXC];
5264 guint8 *exc_throw_start [MAX_EXC];
5266 for (patch_info = cfg->patch_info;
5268 patch_info = patch_info->next) {
5269 if (patch_info->type == MONO_PATCH_INFO_EXC)
5273 code_size = exc_count * 48;
5275 while ((cfg->code_len + code_size) > (cfg->code_size - 16)) {
5276 cfg->code_size *= 2;
5277 cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
5278 mono_jit_stats.code_reallocs++;
5281 code = cfg->native_code + cfg->code_len;
5283 /*---------------------------------------------------------------------*/
5284 /* Add code to raise exceptions */
5285 /*---------------------------------------------------------------------*/
5286 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
5287 switch (patch_info->type) {
5288 case MONO_PATCH_INFO_EXC: {
5289 guint8 *ip = patch_info->ip.i + cfg->native_code;
5290 MonoClass *exc_class;
5293 /*-----------------------------------------------------*/
5294 /* Patch the branch in epilog to come here */
5295 /*-----------------------------------------------------*/
5296 s390_patch_rel (ip + 2, (guint64) S390_RELATIVE(code,ip));
5298 exc_class = mono_class_from_name (mono_defaults.corlib,
5300 patch_info->data.name);
5301 g_assert (exc_class);
5302 throw_ip = patch_info->ip.i;
5304 for (iExc = 0; iExc < nThrows; ++iExc)
5305 if (exc_classes [iExc] == exc_class)
5308 if (iExc < nThrows) {
5309 s390_jcl (code, S390_CC_UN,
5310 (guint64) exc_throw_start [iExc]);
5311 patch_info->type = MONO_PATCH_INFO_NONE;
5314 if (nThrows < MAX_EXC) {
5315 exc_classes [nThrows] = exc_class;
5316 exc_throw_start [nThrows] = code;
5319 /*---------------------------------------------*/
5320 /* Patch the parameter passed to the handler */
5321 /*---------------------------------------------*/
5322 s390_basr (code, s390_r13, 0);
5324 s390_llong(code, patch_info->data.target);
5325 /*---------------------------------------------*/
5326 /* Load return address & parameter register */
5327 /*---------------------------------------------*/
5328 s390_larl (code, s390_r14, (guint64)S390_RELATIVE((patch_info->ip.i +
5329 cfg->native_code + 8), code));
5330 s390_lg (code, s390_r2, 0, s390_r13, 4);
5331 /*---------------------------------------------*/
5332 /* Reuse the current patch to set the jump */
5333 /*---------------------------------------------*/
5334 s390_basr (code, s390_r13, 0);
5336 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
5337 patch_info->data.name = "mono_arch_throw_exception_by_name";
5338 patch_info->ip.i = code - cfg->native_code;
5339 s390_llong(code, 0);
5340 s390_lg (code, s390_r1, 0, s390_r13, 4);
5341 s390_br (code, s390_r1);
5351 cfg->code_len = code - cfg->native_code;
5353 g_assert (cfg->code_len < cfg->code_size);
5357 /*========================= End of Function ========================*/
5359 /*------------------------------------------------------------------*/
5361 /* Name - mono_arch_setup_jit_tls_data */
5363 /* Function - Setup the JIT's Thread Level Specific Data. */
5365 /*------------------------------------------------------------------*/
5368 mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
5370 if (!tls_offset_inited) {
5371 tls_offset_inited = TRUE;
5375 __asm__ ("\tear\t%r1,0\n"
5382 : "=r" (appdomain_tls_offset),
5383 "=r" (thread_tls_offset),
5384 "=r" (lmf_tls_offset)
5385 : "r" (&tls_appdomain),
5386 "r" (&tls_current_object),
5387 "r" (&mono_lmf_addr)
5393 if (!lmf_addr_key_inited) {
5394 lmf_addr_key_inited = TRUE;
5395 pthread_key_create (&lmf_addr_key, NULL);
5397 pthread_setspecific (lmf_addr_key, &tls->lmf);
5401 /*========================= End of Function ========================*/
5403 /*------------------------------------------------------------------*/
5405 /* Name - mono_arch_free_jit_tls_data */
5407 /* Function - Free tls data. */
5409 /*------------------------------------------------------------------*/
5412 mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
5417 /*========================= End of Function ========================*/
5419 /*------------------------------------------------------------------*/
5421 /* Name - mono_arch_emit_this_vret_args */
5425 /*------------------------------------------------------------------*/
5428 mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
5430 int this_dreg = s390_r2;
5433 this_dreg = s390_r3;
5435 /* add the this argument */
5436 if (this_reg != -1) {
5438 MONO_INST_NEW (cfg, this, OP_MOVE);
5439 this->type = this_type;
5440 this->sreg1 = this_reg;
5441 this->dreg = mono_regstate_next_int (cfg->rs);
5442 mono_bblock_add_inst (cfg->cbb, this);
5443 mono_call_inst_add_outarg_reg (cfg, inst, this->dreg, this_dreg, FALSE);
5448 MONO_INST_NEW (cfg, vtarg, OP_MOVE);
5449 vtarg->type = STACK_MP;
5450 vtarg->sreg1 = vt_reg;
5451 vtarg->dreg = mono_regstate_next_int (cfg->rs);
5452 mono_bblock_add_inst (cfg->cbb, vtarg);
5453 mono_call_inst_add_outarg_reg (cfg, inst, vtarg->dreg, s390_r2, FALSE);
5457 /*========================= End of Function ========================*/
5459 /*------------------------------------------------------------------*/
5461 /* Name - mono_arch_get_inst_for_method */
5463 /* Function - Check for opcodes we can handle directly in */
5466 /*------------------------------------------------------------------*/
5469 mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod,
5470 MonoMethodSignature *fsig, MonoInst **args)
5472 MonoInst *ins = NULL;
5474 if (cmethod->klass == mono_defaults.math_class) {
5475 if (strcmp (cmethod->name, "Sqrt") == 0) {
5476 MONO_INST_NEW (cfg, ins, OP_SQRT);
5477 ins->inst_i0 = args [0];
5479 // if (strcmp (cmethod->name, "Abs") == 0) {
5480 // MONO_INST_NEW (cfg, ins, OP_ABS);
5481 // ins->inst_i0 = args [0];
5488 /*========================= End of Function ========================*/
5490 /*------------------------------------------------------------------*/
5492 /* Name - mono_arch_emit_inst_for_method */
5494 /*------------------------------------------------------------------*/
5497 mono_arch_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
5502 /*========================= End of Function ========================*/
5505 mono_arch_decompose_opts (MonoCompile *cfg, MonoInst *ins)
5508 * Have to rename these to avoid being decomposed normally, since the normal
5509 * decomposition does not work on S390.
5511 switch (ins->opcode) {
5513 ins->opcode = OP_S390_ISUB_OVF;
5515 case OP_ISUB_OVF_UN:
5516 ins->opcode = OP_S390_ISUB_OVF_UN;
5519 ins->opcode = OP_S390_IADD_OVF;
5521 case OP_IADD_OVF_UN:
5522 ins->opcode = OP_S390_IADD_OVF_UN;
5525 ins->opcode = OP_S390_LADD_OVF;
5527 case OP_LADD_OVF_UN:
5528 ins->opcode = OP_S390_LADD_OVF_UN;
5531 ins->opcode = OP_S390_LSUB_OVF;
5533 case OP_LSUB_OVF_UN:
5534 ins->opcode = OP_S390_LSUB_OVF_UN;
5541 /*========================= End of Function ========================*/
5543 /*------------------------------------------------------------------*/
5545 /* Name - mono_arch_print_tree */
5547 /* Function - Print platform-specific opcode details. */
5549 /* Returns - 1 - opcode details have been printed */
5550 /* 0 - opcode details have not been printed */
5552 /*------------------------------------------------------------------*/
5555 mono_arch_print_tree (MonoInst *tree, int arity)
5559 switch (tree->opcode) {
5560 case OP_S390_LOADARG:
5561 case OP_S390_ARGREG:
5562 case OP_S390_ARGPTR:
5563 printf ("[0x%lx(%s)]", tree->inst_offset,
5564 mono_arch_regname (tree->inst_basereg));
5567 case OP_S390_STKARG:
5568 printf ("[0x%lx(previous_frame)]",
5573 printf ("[0x%lx(%d,%s),0x%lx(%s)]",
5574 tree->inst_offset, tree->backend.size,
5575 mono_arch_regname(tree->dreg),
5577 mono_arch_regname(tree->sreg1));
5580 case OP_S390_SETF4RET:
5581 printf ("[f%s,f%s]",
5582 mono_arch_regname (tree->dreg),
5583 mono_arch_regname (tree->sreg1));
5587 printf ("[0x%lx(0x%lx,%s)]", tree->inst_offset,
5589 mono_arch_regname (tree->sreg1));
5592 case OP_S390_BKCHAIN:
5593 printf ("[previous_frame(%s)]",
5594 mono_arch_regname (tree->sreg1));
5602 /*========================= End of Function ========================*/
5604 /*------------------------------------------------------------------*/
5606 /* Name - mono_arch_regalloc_cost */
5608 /* Function - Determine the cost, in the number of memory */
5609 /* references, of the action of allocating the var- */
5610 /* iable VMV into a register during global register */
5613 /* Returns - Cost */
5615 /*------------------------------------------------------------------*/
5618 mono_arch_regalloc_cost (MonoCompile *cfg, MonoMethodVar *vmv)
5624 /*========================= End of Function ========================*/
5626 /*------------------------------------------------------------------*/
5628 /* Name - mono_arch_get_domain_intrinsic */
5634 /*------------------------------------------------------------------*/
5637 mono_arch_get_domain_intrinsic (MonoCompile* cfg)
5641 if (appdomain_tls_offset == -1)
5644 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
5645 ins->inst_offset = appdomain_tls_offset;
5649 /*========================= End of Function ========================*/
5651 /*------------------------------------------------------------------*/
5653 /* Name - mono_arch_get_thread_intrinsic */
5659 /*------------------------------------------------------------------*/
5662 mono_arch_get_thread_intrinsic (MonoCompile* cfg)
5666 if (thread_tls_offset == -1)
5669 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
5670 ins->inst_offset = thread_tls_offset;
5674 /*========================= End of Function ========================*/
5676 /*------------------------------------------------------------------*/
5678 /* Name - mono_arch_flush_register_windows */
5684 /*------------------------------------------------------------------*/
5687 mono_arch_flush_register_windows (void)
5691 /*========================= End of Function ========================*/
5693 /*------------------------------------------------------------------*/
5695 /* Name - mono_arch_get_lmf_addr */
5701 /*------------------------------------------------------------------*/
5704 mono_arch_get_lmf_addr (void)
5706 return pthread_getspecific (lmf_addr_key);
5709 /*========================= End of Function ========================*/
5711 /*------------------------------------------------------------------*/
5713 /* Name - mono_arch_is_inst_imm */
5715 /* Function - Determine if operand qualifies as an immediate */
5716 /* value. For s390 this is a value -32768-32768 */
5718 /* Returns - True|False - is [not] immediate value. */
5720 /*------------------------------------------------------------------*/
5723 mono_arch_is_inst_imm (gint64 imm)
5725 return s390_is_imm16 (imm);
5728 /*========================= End of Function ========================*/
5730 /*------------------------------------------------------------------*/
5732 /* Name - mono_arch_get_patch_offset */
5734 /* Function - Dummy entry point until s390x supports aot. */
5736 /* Returns - Offset for patch. */
5738 /*------------------------------------------------------------------*/
5741 mono_arch_get_patch_offset (guint8 *code)
5746 /*========================= End of Function ========================*/
5749 mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
5751 /* FIXME: implement */
5752 g_assert_not_reached ();