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 NOT_IMPLEMENTED(x) \
22 g_error ("FIXME: %s is not yet implemented.", x);
24 #define EMIT_COND_BRANCH(ins,cond) \
26 if (ins->flags & MONO_INST_BRLABEL) { \
27 if (ins->inst_i0->inst_c0) { \
29 displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
30 if (s390_is_imm16(displace)) { \
31 s390_brc (code, cond, displace); \
33 s390_jcl (code, cond, displace); \
36 mono_add_patch_info (cfg, code - cfg->native_code, \
37 MONO_PATCH_INFO_LABEL, ins->inst_i0); \
38 s390_jcl (code, cond, 0); \
41 if (ins->inst_true_bb->native_offset) { \
43 displace = ((cfg->native_code + \
44 ins->inst_true_bb->native_offset) - code) / 2; \
45 if (s390_is_imm16(displace)) { \
46 s390_brc (code, cond, displace); \
48 s390_jcl (code, cond, displace); \
51 mono_add_patch_info (cfg, code - cfg->native_code, \
52 MONO_PATCH_INFO_BB, ins->inst_true_bb); \
53 s390_jcl (code, cond, 0); \
58 #define EMIT_UNCOND_BRANCH(ins) \
60 if (ins->flags & MONO_INST_BRLABEL) { \
61 if (ins->inst_i0->inst_c0) { \
63 displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
64 if (s390_is_imm16(displace)) { \
65 s390_brc (code, S390_CC_UN, displace); \
67 s390_jcl (code, S390_CC_UN, displace); \
70 mono_add_patch_info (cfg, code - cfg->native_code, \
71 MONO_PATCH_INFO_LABEL, ins->inst_i0); \
72 s390_jcl (code, S390_CC_UN, 0); \
75 if (ins->inst_target_bb->native_offset) { \
77 displace = ((cfg->native_code + \
78 ins->inst_target_bb->native_offset) - code) / 2; \
79 if (s390_is_imm16(displace)) { \
80 s390_brc (code, S390_CC_UN, displace); \
82 s390_jcl (code, S390_CC_UN, displace); \
85 mono_add_patch_info (cfg, code - cfg->native_code, \
86 MONO_PATCH_INFO_BB, ins->inst_target_bb); \
87 s390_jcl (code, S390_CC_UN, 0); \
92 #define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
94 mono_add_patch_info (cfg, code - cfg->native_code, \
95 MONO_PATCH_INFO_EXC, exc_name); \
96 s390_jcl (code, cond, 0); \
99 #define CHECK_SRCDST_COM \
100 if (ins->dreg == ins->sreg2) { \
104 if (ins->dreg != ins->sreg1) { \
105 s390_lgr (code, ins->dreg, ins->sreg1); \
109 #define CHECK_SRCDST_NCOM \
110 if (ins->dreg == ins->sreg2) { \
112 s390_lgr (code, s390_r13, ins->sreg2); \
116 if (ins->dreg != ins->sreg1) { \
117 s390_lgr (code, ins->dreg, ins->sreg1); \
120 #define CHECK_SRCDST_COM_I \
121 if (ins->dreg == ins->sreg2) { \
125 if (ins->dreg != ins->sreg1) { \
126 s390_lgfr (code, ins->dreg, ins->sreg1); \
130 #define CHECK_SRCDST_NCOM_I \
131 if (ins->dreg == ins->sreg2) { \
133 s390_lgfr (code, s390_r13, ins->sreg2); \
137 if (ins->dreg != ins->sreg1) { \
138 s390_lgfr (code, ins->dreg, ins->sreg1); \
141 #define CHECK_SRCDST_COM_F \
142 if (ins->dreg == ins->sreg2) { \
146 if (ins->dreg != ins->sreg1) { \
147 s390_ldr (code, ins->dreg, ins->sreg1); \
151 #define CHECK_SRCDST_NCOM_F \
152 if (ins->dreg == ins->sreg2) { \
154 s390_ldr (code, s390_r13, ins->sreg2); \
158 if (ins->dreg != ins->sreg1) { \
159 s390_ldr (code, ins->dreg, ins->sreg1); \
163 #define DEBUG(a) if (cfg->verbose_level > 1) a
167 #define S390_TRACE_STACK_SIZE (5*sizeof(gpointer)+4*sizeof(gdouble))
169 #define MAX (a, b) ((a) > (b) ? (a) : (b))
171 /*========================= End of Defines =========================*/
173 /*------------------------------------------------------------------*/
174 /* I n c l u d e s */
175 /*------------------------------------------------------------------*/
180 #include <mono/metadata/appdomain.h>
181 #include <mono/metadata/debug-helpers.h>
182 #include <mono/metadata/profiler-private.h>
183 #include <mono/utils/mono-math.h>
185 #include "mini-s390x.h"
187 #include "cpu-s390x.h"
189 /*========================= End of Includes ========================*/
191 /*------------------------------------------------------------------*/
192 /* T y p e d e f s */
193 /*------------------------------------------------------------------*/
224 /*------------------------------------------------------------------*/
225 /* Used by the instrument_emit_epilog */
226 /*------------------------------------------------------------------*/
237 typedef struct InstList InstList
;
254 gint32 offset
; /* offset from caller's stack */
255 gint32 offparm
; /* offset from callee's stack */
256 guint16 vtsize
; /* in param area */
258 guint8 regtype
; /* See RegType* */
259 guint32 size
; /* Size of structure used by RegTypeStructByVal */
260 gint32 type
; /* Data type of argument */
274 gint64 gr
[5]; /* R2-R6 */
275 gdouble fp
[3]; /* F0-F2 */
276 } __attribute__ ((packed
)) RegParm
;
278 /*========================= End of Typedefs ========================*/
280 /*------------------------------------------------------------------*/
281 /* P r o t o t y p e s */
282 /*------------------------------------------------------------------*/
284 static void indent (int);
285 static guint8
* backUpStackPtr(MonoCompile
*, guint8
*);
286 static void decodeParm (MonoType
*, void *, int);
287 static void enter_method (MonoMethod
*, RegParm
*, char *);
288 static void leave_method (MonoMethod
*, ...);
289 static gboolean
is_regsize_var (MonoType
*);
290 static inline void add_general (guint
*, size_data
*, ArgInfo
*);
291 static inline void add_stackParm (guint
*, size_data
*, ArgInfo
*, gint
);
292 static inline void add_float (guint
*, size_data
*, ArgInfo
*);
293 static CallInfo
* calculate_sizes (MonoMethodSignature
*, size_data
*, gboolean
);
294 static void peephole_pass (MonoCompile
*, MonoBasicBlock
*);
295 static guchar
* emit_float_to_int (MonoCompile
*, guchar
*, int, int, int, gboolean
);
296 static void mono_arch_break(void);
297 gpointer
mono_arch_get_lmf_addr (void);
298 static guint8
* emit_load_volatile_registers (guint8
*, MonoCompile
*);
299 static CompRelation
opcode_to_cond (int);
300 static void catch_SIGILL(int, siginfo_t
*, void *);
301 static void emit_sig_cookie (MonoCompile
*, MonoCallInst
*, CallInfo
*, int);
303 /*========================= End of Prototypes ======================*/
305 /*------------------------------------------------------------------*/
306 /* G l o b a l V a r i a b l e s */
307 /*------------------------------------------------------------------*/
309 int mono_exc_esp_offset
= 0;
311 static int indent_level
= 0;
315 static const char*const * ins_spec
= s390x_cpu_desc
;
317 static gboolean tls_offset_inited
= FALSE
;
319 static int appdomain_tls_offset
= -1,
321 thread_tls_offset
= -1;
323 pthread_key_t lmf_addr_key
;
325 gboolean lmf_addr_key_inited
= FALSE
;
329 extern __thread MonoDomain
*tls_appdomain
;
330 extern __thread MonoThread
*tls_current_object
;
331 extern __thread gpointer mono_lmf_addr
;
335 /*====================== End of Global Variables ===================*/
337 /*------------------------------------------------------------------*/
339 /* Name - mono_arch_regname */
341 /* Function - Returns the name of the register specified by */
342 /* the input parameter. */
344 /*------------------------------------------------------------------*/
347 mono_arch_regname (int reg
) {
348 static const char * rnames
[] = {
349 "s390_r0", "s390_sp", "s390_r2", "s390_r3", "s390_r4",
350 "s390_r5", "s390_r6", "s390_r7", "s390_r8", "s390_r9",
351 "s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
355 if (reg
>= 0 && reg
< 16)
361 /*========================= End of Function ========================*/
363 /*------------------------------------------------------------------*/
365 /* Name - mono_arch_fregname */
367 /* Function - Returns the name of the register specified by */
368 /* the input parameter. */
370 /*------------------------------------------------------------------*/
373 mono_arch_fregname (int reg
) {
374 static const char * rnames
[] = {
375 "s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
376 "s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
377 "s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
381 if (reg
>= 0 && reg
< 16)
387 /*========================= End of Function ========================*/
389 /*------------------------------------------------------------------*/
391 /* Name - arch_get_argument_info */
393 /* Function - Gathers information on parameters such as size, */
394 /* alignment, and padding. arg_info should be large */
395 /* enough to hold param_count + 1 entries. */
397 /* Parameters - @csig - Method signature */
398 /* @param_count - No. of parameters to consider */
399 /* @arg_info - An array to store the result info */
401 /* Returns - Size of the activation frame */
403 /*------------------------------------------------------------------*/
406 mono_arch_get_argument_info (MonoMethodSignature
*csig
,
408 MonoJitArgumentInfo
*arg_info
)
410 int k
, frame_size
= 0;
411 int size
, align
, pad
;
414 if (MONO_TYPE_ISSTRUCT (csig
->ret
)) {
415 frame_size
+= sizeof (gpointer
);
419 arg_info
[0].offset
= offset
;
422 frame_size
+= sizeof (gpointer
);
426 arg_info
[0].size
= frame_size
;
428 for (k
= 0; k
< param_count
; k
++) {
431 size
= mono_type_native_stack_size (csig
->params
[k
], &align
);
433 size
= mono_type_stack_size (csig
->params
[k
], &align
);
435 frame_size
+= pad
= (align
- (frame_size
& (align
- 1))) & (align
- 1);
436 arg_info
[k
].pad
= pad
;
438 arg_info
[k
+ 1].pad
= 0;
439 arg_info
[k
+ 1].size
= size
;
441 arg_info
[k
+ 1].offset
= offset
;
445 align
= MONO_ARCH_FRAME_ALIGNMENT
;
446 frame_size
+= pad
= (align
- (frame_size
& (align
- 1))) & (align
- 1);
447 arg_info
[k
].pad
= pad
;
452 /*========================= End of Function ========================*/
454 /*------------------------------------------------------------------*/
456 /* Name - retFitsInReg. */
458 /* Function - Determines if a value can be returned in one or */
461 /*------------------------------------------------------------------*/
463 static inline gboolean
464 retFitsInReg(guint32 size
)
479 /*========================= End of Function ========================*/
481 /*------------------------------------------------------------------*/
483 /* Name - backStackPtr. */
485 /* Function - Restore Stack Pointer to previous frame. */
487 /*------------------------------------------------------------------*/
489 static inline guint8
*
490 backUpStackPtr(MonoCompile
*cfg
, guint8
*code
)
492 int stackSize
= cfg
->stack_usage
;
494 if (s390_is_uimm16 (stackSize
)) {
495 s390_aghi (code
, STK_BASE
, stackSize
);
497 while (stackSize
> 32767) {
498 s390_aghi (code
, STK_BASE
, 32767);
501 s390_aghi (code
, STK_BASE
, stackSize
);
506 /*========================= End of Function ========================*/
508 /*------------------------------------------------------------------*/
512 /* Function - Perform nice indenting to current level */
514 /*------------------------------------------------------------------*/
520 indent_level
+= diff
;
527 indent_level
+= diff
;
530 /*========================= End of Function ========================*/
532 /*------------------------------------------------------------------*/
534 /* Name - decodeParm */
536 /* Function - Decode a parameter for the trace. */
538 /*------------------------------------------------------------------*/
541 decodeParm(MonoType
*type
, void *curParm
, int size
)
546 printf("[BYREF:%p], ", *((char **) curParm
));
548 simpleType
= mono_type_get_underlying_type(type
)->type
;
550 switch (simpleType
) {
552 printf ("[INTPTR:%p], ", *((int **) curParm
));
555 printf ("[UINTPTR:%p], ", *((int **) curParm
));
557 case MONO_TYPE_BOOLEAN
:
558 printf ("[BOOL:%ld], ", *((gint64
*) curParm
));
560 case MONO_TYPE_CHAR
:
561 printf ("[CHAR:%c], ", *((int *) curParm
));
564 printf ("[INT1:%ld], ", *((gint64
*) curParm
));
567 printf ("[INT2:%ld], ", *((gint64
*) curParm
));
570 printf ("[INT4:%ld], ", *((gint64
*) curParm
));
573 printf ("[UINT1:%lu], ", *((guint64
*) curParm
));
576 printf ("[UINT2:%lu], ", *((guint64
*) curParm
));
579 printf ("[UINT4:%lu], ", *((guint64
*) curParm
));
582 printf ("[UINT8:%lu], ", *((guint64
*) curParm
));
584 case MONO_TYPE_STRING
: {
585 MonoString
*s
= *((MonoString
**) curParm
);
587 g_assert (((MonoObject
*) s
)->vtable
->klass
== mono_defaults
.string_class
);
588 printf("[STRING:%p:%s], ", s
, mono_string_to_utf8(s
));
590 printf("[STRING:null], ");
594 case MONO_TYPE_CLASS
:
595 case MONO_TYPE_OBJECT
: {
596 MonoObject
*obj
= *((MonoObject
**) curParm
);
598 if ((obj
) && (obj
->vtable
)) {
599 printf("[CLASS/OBJ:");
600 class = obj
->vtable
->klass
;
601 printf("%p [%p] ",obj
,curParm
);
602 if (class == mono_defaults
.string_class
) {
603 printf("[STRING:%p:%s]",
604 obj
, mono_string_to_utf8 ((MonoString
*) obj
));
605 } else if (class == mono_defaults
.int32_class
) {
606 printf("[INT32:%p:%d]",
607 obj
, *(gint32
*)((char *)obj
+ sizeof (MonoObject
)));
610 class->name_space
, class->name
, obj
);
613 printf("[OBJECT:null], ");
618 printf("[PTR:%p], ", *((gpointer
**) (curParm
)));
620 case MONO_TYPE_FNPTR
:
621 printf("[FNPTR:%p], ", *((gpointer
**) (curParm
)));
623 case MONO_TYPE_ARRAY
:
624 printf("[ARRAY:%p], ", *((gpointer
**) (curParm
)));
626 case MONO_TYPE_SZARRAY
:
627 printf("[SZARRAY:%p], ", *((gpointer
**) (curParm
)));
630 printf("[INT8:%ld], ", *((gint64
*) (curParm
)));
633 printf("[FLOAT4:%g], ", *((float *) (curParm
)));
636 printf("[FLOAT8:%g], ", *((double *) (curParm
)));
638 case MONO_TYPE_VALUETYPE
: {
640 MonoMarshalType
*info
;
642 if (type
->data
.klass
->enumtype
) {
643 simpleType
= type
->data
.klass
->enum_basetype
->type
;
644 printf("{VALUETYPE} - ");
648 info
= mono_marshal_load_type_info (type
->data
.klass
);
650 if ((info
->native_size
== sizeof(float)) &&
651 (info
->num_fields
== 1) &&
652 (info
->fields
[0].field
->type
->type
== MONO_TYPE_R4
)) {
653 printf("[FLOAT4:%f], ", *((float *) (curParm
)));
657 if ((info
->native_size
== sizeof(double)) &&
658 (info
->num_fields
== 1) &&
659 (info
->fields
[0].field
->type
->type
== MONO_TYPE_R8
)) {
660 printf("[FLOAT8:%g], ", *((double *) (curParm
)));
664 printf("[VALUETYPE:");
665 for (i
= 0; i
< size
; i
++)
666 printf("%02x,", *((guint8
*)curParm
+i
));
670 case MONO_TYPE_TYPEDBYREF
: {
672 printf("[TYPEDBYREF:");
673 for (i
= 0; i
< size
; i
++)
674 printf("%02x,", *((guint8
*)curParm
+i
));
679 printf("[?? - %d], ",simpleType
);
684 /*========================= End of Function ========================*/
686 /*------------------------------------------------------------------*/
688 /* Name - enter_method */
690 /* Function - Perform tracing of the entry to the current */
693 /*------------------------------------------------------------------*/
696 enter_method (MonoMethod
*method
, RegParm
*rParm
, char *sp
)
698 int i
, oParm
= 0, iParm
= 0;
701 MonoMethodSignature
*sig
;
709 fname
= mono_method_full_name (method
, TRUE
);
711 printf ("ENTER: %s ", fname
);
714 ip
= (*(guint64
*) (sp
+S390_RET_ADDR_OFFSET
));
715 printf ("ip: %p sp: %p - ", (gpointer
) ip
, sp
);
720 sig
= mono_method_signature (method
);
722 cinfo
= calculate_sizes (sig
, &sz
, sig
->pinvoke
);
724 if (cinfo
->struct_ret
) {
725 printf ("[STRUCTRET:%p], ", (gpointer
) rParm
->gr
[0]);
730 gpointer
*this = (gpointer
*) rParm
->gr
[iParm
];
731 obj
= (MonoObject
*) this;
732 if (method
->klass
->valuetype
) {
734 printf("this:[value:%p:%016lx], ",
735 this, *((guint64
*)(this+sizeof(MonoObject
))));
737 printf ("this:[NULL], ");
740 class = obj
->vtable
->klass
;
741 if (class == mono_defaults
.string_class
) {
742 printf ("this:[STRING:%p:%s], ",
743 obj
, mono_string_to_utf8 ((MonoString
*)obj
));
745 printf ("this:%p[%s.%s], ",
746 obj
, class->name_space
, class->name
);
749 printf ("this:NULL, ");
754 for (i
= 0; i
< sig
->param_count
; ++i
) {
755 ainfo
= &cinfo
->args
[i
+ oParm
];
756 switch (ainfo
->regtype
) {
757 case RegTypeGeneral
:
758 decodeParm(sig
->params
[i
], &(rParm
->gr
[ainfo
->reg
-2]), ainfo
->size
);
761 decodeParm(sig
->params
[i
], &(rParm
->fp
[ainfo
->reg
]), ainfo
->size
);
764 decodeParm(sig
->params
[i
], sp
+ainfo
->offset
, ainfo
->size
);
766 case RegTypeStructByVal
:
767 if (ainfo
->reg
!= STK_BASE
) {
768 int offset
= sizeof(glong
) - ainfo
->size
;
769 curParm
= &(rParm
->gr
[ainfo
->reg
-2])+offset
;
772 curParm
= sp
+ainfo
->offset
;
774 if (retFitsInReg (ainfo
->vtsize
))
775 decodeParm(sig
->params
[i
],
779 decodeParm(sig
->params
[i
],
780 *((char **) curParm
),
783 case RegTypeStructByAddr
:
784 if (ainfo
->reg
!= STK_BASE
)
785 curParm
= &(rParm
->gr
[ainfo
->reg
-2]);
787 curParm
= sp
+ainfo
->offset
;
789 decodeParm(sig
->params
[i
],
790 *((char **) curParm
),
802 /*========================= End of Function ========================*/
804 /*------------------------------------------------------------------*/
806 /* Name - leave_method */
810 /*------------------------------------------------------------------*/
813 leave_method (MonoMethod
*method
, ...)
820 va_start(ap
, method
);
822 fname
= mono_method_full_name (method
, TRUE
);
824 printf ("LEAVE: %s", fname
);
827 type
= mono_method_signature (method
)->ret
;
830 switch (type
->type
) {
833 case MONO_TYPE_BOOLEAN
: {
834 int val
= va_arg (ap
, int);
836 printf ("[TRUE:%d]", val
);
842 case MONO_TYPE_CHAR
: {
843 int val
= va_arg (ap
, int);
844 printf ("[CHAR:%d]", val
);
848 int val
= va_arg (ap
, int);
849 printf ("[INT1:%d]", val
);
853 int val
= va_arg (ap
, int);
854 printf ("[UINT1:%d]", val
);
858 int val
= va_arg (ap
, int);
859 printf ("[INT2:%d]", val
);
863 int val
= va_arg (ap
, int);
864 printf ("[UINT2:%d]", val
);
868 int val
= va_arg (ap
, int);
869 printf ("[INT4:%d]", val
);
873 int val
= va_arg (ap
, int);
874 printf ("[UINT4:%d]", val
);
878 gint64 val
= va_arg (ap
, gint64
);
879 printf ("[INT:%ld]", val
);
884 gint64 val
= va_arg (ap
, gint64
);
885 printf ("[UINT:%lu]", val
);
889 case MONO_TYPE_STRING
: {
890 MonoString
*s
= va_arg (ap
, MonoString
*);
893 g_assert (((MonoObject
*)s
)->vtable
->klass
== mono_defaults
.string_class
);
894 printf ("[STRING:%p:%s]", s
, mono_string_to_utf8 (s
));
896 printf ("[STRING:null], ");
899 case MONO_TYPE_CLASS
:
900 case MONO_TYPE_OBJECT
: {
901 MonoObject
*o
= va_arg (ap
, MonoObject
*);
903 if ((o
) && (o
->vtable
)) {
904 if (o
->vtable
->klass
== mono_defaults
.boolean_class
) {
905 printf ("[BOOLEAN:%p:%d]", o
, *((guint8
*)o
+ sizeof (MonoObject
)));
906 } else if (o
->vtable
->klass
== mono_defaults
.int32_class
) {
907 printf ("[INT32:%p:%d]", o
, *((gint32
*)((char *)o
+ sizeof (MonoObject
))));
908 } else if (o
->vtable
->klass
== mono_defaults
.int64_class
) {
909 printf ("[INT64:%p:%ld]", o
, *((gint64
*)((char *)o
+ sizeof (MonoObject
))));
911 printf ("[%s.%s:%p]", o
->vtable
->klass
->name_space
, o
->vtable
->klass
->name
, o
);
913 printf ("[OBJECT:%p]", o
);
918 case MONO_TYPE_FNPTR
:
919 case MONO_TYPE_ARRAY
:
920 case MONO_TYPE_SZARRAY
: {
921 gpointer p
= va_arg (ap
, gpointer
);
922 printf ("[result=%p]", p
);
926 gint64 l
= va_arg (ap
, gint64
);
927 printf ("[LONG:%ld]", l
);
931 guint64 l
= va_arg (ap
, guint64
);
932 printf ("[ULONG:%lu]", l
);
936 double f
= va_arg (ap
, double);
937 printf ("[FLOAT4:%g]\n", f
);
941 double f
= va_arg (ap
, double);
942 printf ("[FLOAT8:%g]\n", f
);
945 case MONO_TYPE_VALUETYPE
: {
946 MonoMarshalType
*info
;
947 if (type
->data
.klass
->enumtype
) {
948 type
= type
->data
.klass
->enum_basetype
;
951 guint8
*p
= va_arg (ap
, gpointer
);
954 info
= mono_marshal_load_type_info (type
->data
.klass
);
956 if ((info
->native_size
== sizeof(float)) &&
957 (info
->num_fields
== 1) &&
958 (info
->fields
[0].field
->type
->type
== MONO_TYPE_R4
)) {
959 double f
= va_arg (ap
, double);
960 printf("[FLOAT4:%g]\n", (double) f
);
964 if ((info
->native_size
== sizeof(double)) &&
965 (info
->num_fields
== 1) &&
966 (info
->fields
[0].field
->type
->type
== MONO_TYPE_R8
)) {
967 double f
= va_arg (ap
, double);
968 printf("[FLOAT8:%g]\n", f
);
972 size
= mono_type_size (type
, &align
);
979 for (j
= 0; p
&& j
< size
; j
++)
980 printf ("%02x,", p
[j
]);
984 printf ("[VALUETYPE]\n");
989 case MONO_TYPE_TYPEDBYREF
: {
990 guint8
*p
= va_arg (ap
, gpointer
);
992 size
= mono_type_size (type
, &align
);
999 for (j
= 0; p
&& j
< size
; j
++)
1000 printf ("%02x,", p
[j
]);
1004 printf ("[TYPEDBYREF]\n");
1009 printf ("(unknown return type %x)",
1010 mono_method_signature (method
)->ret
->type
);
1013 ip
= ((gint64
) __builtin_return_address (0));
1014 printf (" ip: %p\n", (gpointer
) ip
);
1017 /*========================= End of Function ========================*/
1019 /*------------------------------------------------------------------*/
1021 /* Name - catch_SIGILL */
1023 /* Function - Catch SIGILL as a result of testing for long */
1024 /* displacement facility. */
1026 /*------------------------------------------------------------------*/
1029 catch_SIGILL(int sigNo
, siginfo_t
*info
, void *act
) {
1035 /*========================= End of Function ========================*/
1037 /*------------------------------------------------------------------*/
1039 /* Name - mono_arch_cpu_init */
1041 /* Function - Perform CPU specific initialization to execute */
1044 /*------------------------------------------------------------------*/
1047 mono_arch_cpu_init (void)
1049 struct sigaction sa
,
1053 /*--------------------------------------*/
1054 /* Set default rounding mode for FP */
1055 /*--------------------------------------*/
1056 __asm__ ("SRNM\t%0\n\t"
1059 /*--------------------------------------*/
1060 /* Determine if we have long displace- */
1061 /* ment facility on this processor */
1062 /*--------------------------------------*/
1063 sa
.sa_sigaction
= catch_SIGILL
;
1064 sigemptyset (&sa
.sa_mask
);
1065 sa
.sa_flags
= SA_SIGINFO
;
1067 sigaction (SIGILL
, &sa
, oldSa
);
1069 /*--------------------------------------*/
1070 /* We test by executing the STY inst */
1071 /*--------------------------------------*/
1072 __asm__ ("LGHI\t0,1\n\t"
1074 ".byte\t0xe3,0x00,0x10,0x00,0x00,0x50\n\t"
1075 : "=m" (has_ld
) : : "0", "1");
1077 sigaction (SIGILL
, oldSa
, NULL
);
1080 /*========================= End of Function ========================*/
1082 /*------------------------------------------------------------------*/
1084 /* Name - mono_arch_cpu_optimizazions */
1086 /* Function - Returns the optimizations supported on this CPU */
1088 /*------------------------------------------------------------------*/
1091 mono_arch_cpu_optimizazions (guint32
*exclude_mask
)
1095 /*----------------------------------------------------------*/
1096 /* No s390-specific optimizations yet */
1097 /*----------------------------------------------------------*/
1098 *exclude_mask
= MONO_OPT_INLINE
|MONO_OPT_LINEARS
;
1099 // *exclude_mask = MONO_OPT_INLINE;
1103 /*========================= End of Function ========================*/
1105 /*------------------------------------------------------------------*/
1111 /*------------------------------------------------------------------*/
1114 is_regsize_var (MonoType
*t
) {
1117 switch (mono_type_get_underlying_type (t
)->type
) {
1125 case MONO_TYPE_FNPTR
:
1127 case MONO_TYPE_OBJECT
:
1128 case MONO_TYPE_STRING
:
1129 case MONO_TYPE_CLASS
:
1130 case MONO_TYPE_SZARRAY
:
1131 case MONO_TYPE_ARRAY
:
1133 case MONO_TYPE_VALUETYPE
:
1134 if (t
->data
.klass
->enumtype
)
1135 return is_regsize_var (t
->data
.klass
->enum_basetype
);
1141 /*========================= End of Function ========================*/
1143 /*------------------------------------------------------------------*/
1145 /* Name - mono_arch_get_allocatable_int_vars */
1149 /*------------------------------------------------------------------*/
1152 mono_arch_get_allocatable_int_vars (MonoCompile
*cfg
)
1157 for (i
= 0; i
< cfg
->num_varinfo
; i
++) {
1158 MonoInst
*ins
= cfg
->varinfo
[i
];
1159 MonoMethodVar
*vmv
= MONO_VARINFO (cfg
, i
);
1162 if (vmv
->range
.first_use
.abs_pos
>= vmv
->range
.last_use
.abs_pos
)
1165 if (ins
->flags
& (MONO_INST_VOLATILE
|MONO_INST_INDIRECT
) ||
1166 (ins
->opcode
!= OP_LOCAL
&& ins
->opcode
!= OP_ARG
))
1169 /* we can only allocate 32 bit values */
1170 if (is_regsize_var (ins
->inst_vtype
)) {
1171 g_assert (MONO_VARINFO (cfg
, i
)->reg
== -1);
1172 g_assert (i
== vmv
->idx
);
1173 vars
= mono_varlist_insert_sorted (cfg
, vars
, vmv
, FALSE
);
1180 /*========================= End of Function ========================*/
1182 /*------------------------------------------------------------------*/
1184 /* Name - mono_arch_global_int_regs */
1186 /* Function - Return a list of usable integer registers. */
1188 /*------------------------------------------------------------------*/
1191 mono_arch_get_global_int_regs (MonoCompile
*cfg
)
1194 MonoMethodHeader
*header
;
1197 header
= mono_method_get_header (cfg
->method
);
1198 if ((cfg
->flags
& MONO_CFG_HAS_ALLOCA
) || header
->num_clauses
)
1199 cfg
->frame_reg
= s390_r11
;
1201 for (i
= 8; i
< top
; ++i
) {
1202 if (cfg
->frame_reg
!= i
)
1203 regs
= g_list_prepend (regs
, GUINT_TO_POINTER (i
));
1209 /*========================= End of Function ========================*/
1211 /*------------------------------------------------------------------*/
1213 /* Name - mono_arch_flush_icache */
1215 /* Function - Flush the CPU icache. */
1217 /*------------------------------------------------------------------*/
1220 mono_arch_flush_icache (guint8
*code
, gint size
)
1224 /*========================= End of Function ========================*/
1226 /*------------------------------------------------------------------*/
1228 /* Name - add_general */
1230 /* Function - Determine code and stack size incremements for a */
1233 /*------------------------------------------------------------------*/
1236 add_general (guint
*gr
, size_data
*sz
, ArgInfo
*ainfo
)
1238 if (*gr
> S390_LAST_ARG_REG
) {
1239 sz
->stack_size
= S390_ALIGN(sz
->stack_size
, sizeof(long));
1240 ainfo
->offset
= sz
->stack_size
;
1241 ainfo
->reg
= STK_BASE
;
1242 ainfo
->regtype
= RegTypeBase
;
1243 sz
->stack_size
+= sizeof(long);
1244 sz
->local_size
+= sizeof(long);
1245 sz
->offStruct
+= sizeof(long);
1246 sz
->code_size
+= 12;
1254 /*========================= End of Function ========================*/
1256 /*------------------------------------------------------------------*/
1258 /* Name - add_stackParm */
1260 /* Function - Determine code and stack size incremements for a */
1263 /*------------------------------------------------------------------*/
1266 add_stackParm (guint
*gr
, size_data
*sz
, ArgInfo
*ainfo
, gint size
)
1268 if (*gr
> S390_LAST_ARG_REG
) {
1269 sz
->stack_size
= S390_ALIGN(sz
->stack_size
, sizeof(long));
1270 ainfo
->reg
= STK_BASE
;
1271 sz
->stack_size
+= sizeof(gpointer
);
1272 sz
->offStruct
+= sizeof(gpointer
);
1277 ainfo
->offset
= sz
->stack_size
;
1278 ainfo
->offparm
= sz
->offset
;
1279 sz
->offset
= S390_ALIGN(sz
->offset
+size
, sizeof(long));
1281 ainfo
->regtype
= RegTypeStructByAddr
;
1282 ainfo
->vtsize
= size
;
1283 sz
->parm_size
+= size
;
1286 /*========================= End of Function ========================*/
1288 /*------------------------------------------------------------------*/
1290 /* Name - add_float */
1292 /* Function - Determine code and stack size incremements for a */
1293 /* float parameter. */
1295 /*------------------------------------------------------------------*/
1298 add_float (guint
*fr
, size_data
*sz
, ArgInfo
*ainfo
)
1300 if ((*fr
) <= S390_LAST_FPARG_REG
) {
1301 ainfo
->regtype
= RegTypeFP
;
1307 ainfo
->offset
= sz
->stack_size
;
1308 ainfo
->reg
= STK_BASE
;
1309 ainfo
->regtype
= RegTypeBase
;
1311 sz
->stack_size
+= sizeof(double);
1312 sz
->local_size
+= sizeof(double);
1313 sz
->offStruct
+= sizeof(double);
1317 /*========================= End of Function ========================*/
1319 /*------------------------------------------------------------------*/
1321 /* Name - calculate_sizes */
1323 /* Function - Determine the amount of space required for code */
1324 /* and stack. In addition determine starting points */
1325 /* for stack-based parameters, and area for struct- */
1326 /* ures being returned on the stack. */
1328 /*------------------------------------------------------------------*/
1331 calculate_sizes (MonoMethodSignature
*sig
, size_data
*sz
,
1332 gboolean string_ctor
)
1334 guint i
, fr
, gr
, size
;
1335 int nParm
= sig
->hasthis
+ sig
->param_count
;
1336 guint32 simpletype
, align
;
1337 CallInfo
*cinfo
= g_malloc0 (sizeof (CallInfo
) + sizeof (ArgInfo
) * nParm
);
1342 cinfo
->struct_ret
= 0;
1345 sz
->offStruct
= S390_MINIMAL_STACK_SIZE
;
1346 sz
->stack_size
= S390_MINIMAL_STACK_SIZE
;
1351 /*----------------------------------------------------------*/
1352 /* We determine the size of the return code/stack in case we*/
1353 /* need to reserve a register to be used to address a stack */
1354 /* area that the callee will use. */
1355 /*----------------------------------------------------------*/
1357 simpletype
= mono_type_get_underlying_type (sig
->ret
)->type
;
1359 switch (simpletype
) {
1360 case MONO_TYPE_BOOLEAN
:
1365 case MONO_TYPE_CHAR
:
1370 case MONO_TYPE_CLASS
:
1371 case MONO_TYPE_OBJECT
:
1372 case MONO_TYPE_SZARRAY
:
1373 case MONO_TYPE_ARRAY
:
1375 case MONO_TYPE_FNPTR
:
1376 case MONO_TYPE_STRING
:
1377 cinfo
->ret
.reg
= s390_r2
;
1382 cinfo
->ret
.reg
= s390_f0
;
1387 cinfo
->ret
.reg
= s390_r2
;
1390 case MONO_TYPE_GENERICINST
:
1391 if (!mono_type_generic_inst_is_valuetype (sig
->ret
)) {
1392 cinfo
->ret
.reg
= s390_r2
;
1397 case MONO_TYPE_VALUETYPE
: {
1398 MonoClass
*klass
= mono_class_from_mono_type (sig
->ret
);
1399 if (sig
->ret
->data
.klass
->enumtype
) {
1400 simpletype
= sig
->ret
->data
.klass
->enum_basetype
->type
;
1404 size
= mono_class_native_size (klass
, &align
);
1406 size
= mono_class_value_size (klass
, &align
);
1408 cinfo
->ret
.reg
= s390_r2
;
1409 cinfo
->struct_ret
= 1;
1410 cinfo
->ret
.size
= size
;
1411 cinfo
->ret
.vtsize
= size
;
1415 case MONO_TYPE_TYPEDBYREF
:
1416 size
= sizeof (MonoTypedRef
);
1417 cinfo
->ret
.reg
= s390_r2
;
1418 cinfo
->struct_ret
= 1;
1419 cinfo
->ret
.size
= size
;
1420 cinfo
->ret
.vtsize
= size
;
1423 case MONO_TYPE_VOID
:
1426 g_error ("Can't handle as return value 0x%x", sig
->ret
->type
);
1430 cinfo
->args
[nParm
].size
= sizeof(gpointer
);
1431 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1435 /*----------------------------------------------------------*/
1436 /* We determine the size of the parameter code and stack */
1437 /* requirements by checking the types and sizes of the */
1439 /*----------------------------------------------------------*/
1441 for (i
= 0; i
< sig
->param_count
; ++i
) {
1442 /*--------------------------------------------------*/
1443 /* Handle vararg type calls. All args are put on */
1445 /*--------------------------------------------------*/
1446 if ((sig
->call_convention
== MONO_CALL_VARARG
) &&
1447 (i
== sig
->sentinelpos
)) {
1448 gr
= S390_LAST_ARG_REG
+ 1;
1449 add_general (&gr
, sz
, &cinfo
->sigCookie
);
1452 if (sig
->params
[i
]->byref
) {
1453 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1454 cinfo
->args
[nParm
].size
= sizeof(gpointer
);
1459 simpletype
= mono_type_get_underlying_type(sig
->params
[i
])->type
;
1460 cinfo
->args
[nParm
].type
= simpletype
;
1461 switch (simpletype
) {
1462 case MONO_TYPE_BOOLEAN
:
1465 cinfo
->args
[nParm
].size
= sizeof(char);
1466 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1471 case MONO_TYPE_CHAR
:
1472 cinfo
->args
[nParm
].size
= sizeof(short);
1473 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1478 cinfo
->args
[nParm
].size
= sizeof(int);
1479 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1485 case MONO_TYPE_FNPTR
:
1486 case MONO_TYPE_CLASS
:
1487 case MONO_TYPE_OBJECT
:
1488 case MONO_TYPE_STRING
:
1489 case MONO_TYPE_SZARRAY
:
1490 case MONO_TYPE_ARRAY
:
1491 cinfo
->args
[nParm
].size
= sizeof(gpointer
);
1492 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1497 cinfo
->args
[nParm
].size
= sizeof(long long);
1498 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1502 cinfo
->args
[nParm
].size
= sizeof(float);
1503 add_float (&fr
, sz
, cinfo
->args
+nParm
);
1507 cinfo
->args
[nParm
].size
= sizeof(double);
1508 add_float (&fr
, sz
, cinfo
->args
+nParm
);
1511 case MONO_TYPE_GENERICINST
:
1512 if (!mono_type_generic_inst_is_valuetype (sig
->params
[i
])) {
1513 cinfo
->args
[nParm
].size
= sizeof(gpointer
);
1514 add_general (&gr
, sz
, cinfo
->args
+nParm
);
1519 case MONO_TYPE_VALUETYPE
: {
1520 MonoMarshalType
*info
;
1521 MonoClass
*klass
= mono_class_from_mono_type (sig
->params
[i
]);
1523 size
= mono_class_native_size (klass
, &align
);
1525 size
= mono_class_value_size (klass
, &align
);
1527 info
= mono_marshal_load_type_info (klass
);
1529 if ((info
->native_size
== sizeof(float)) &&
1530 (info
->num_fields
== 1) &&
1531 (info
->fields
[0].field
->type
->type
== MONO_TYPE_R4
)) {
1532 cinfo
->args
[nParm
].size
= sizeof(float);
1533 add_float(&fr
, sz
, cinfo
->args
+nParm
);
1537 if ((info
->native_size
== sizeof(double)) &&
1538 (info
->num_fields
== 1) &&
1539 (info
->fields
[0].field
->type
->type
== MONO_TYPE_R8
)) {
1540 cinfo
->args
[nParm
].size
= sizeof(double);
1541 add_float(&fr
, sz
, cinfo
->args
+nParm
);
1545 cinfo
->args
[nParm
].vtsize
= 0;
1546 cinfo
->args
[nParm
].size
= 0;
1549 /*----------------------------------*/
1550 /* On S/390, structures of size 1, */
1551 /* 2, 4, and 8 bytes are passed in */
1552 /* (a) register(s). */
1553 /*----------------------------------*/
1559 add_general(&gr
, sz
, cinfo
->args
+nParm
);
1560 cinfo
->args
[nParm
].size
= size
;
1561 cinfo
->args
[nParm
].regtype
= RegTypeStructByVal
;
1563 sz
->local_size
+= sizeof(long);
1566 add_stackParm(&gr
, sz
, cinfo
->args
+nParm
, size
);
1571 case MONO_TYPE_TYPEDBYREF
: {
1572 int size
= sizeof (MonoTypedRef
);
1574 cinfo
->args
[nParm
].vtsize
= 0;
1575 cinfo
->args
[nParm
].size
= 0;
1578 /*----------------------------------*/
1579 /* On S/390, structures of size 1, */
1580 /* 2, 4, and 8 bytes are passed in */
1581 /* (a) register(s). */
1582 /*----------------------------------*/
1588 add_general(&gr
, sz
, cinfo
->args
+nParm
);
1589 cinfo
->args
[nParm
].size
= size
;
1590 cinfo
->args
[nParm
].regtype
= RegTypeStructByVal
;
1592 sz
->local_size
+= sizeof(long);
1595 add_stackParm(&gr
, sz
, cinfo
->args
+nParm
, size
);
1601 g_error ("Can't trampoline 0x%x", sig
->params
[i
]->type
);
1605 /*----------------------------------------------------------*/
1606 /* Handle the case where there are no implicit arguments */
1607 /*----------------------------------------------------------*/
1608 if ((sig
->call_convention
== MONO_CALL_VARARG
) &&
1609 (sig
->param_count
== sig
->sentinelpos
)) {
1610 gr
= S390_LAST_ARG_REG
+ 1;
1611 add_general (&gr
, sz
, &cinfo
->sigCookie
);
1614 /*----------------------------------------------------------*/
1615 /* If we are passing a structure back then if it won't be */
1616 /* in a register(s) then we make room at the end of the */
1617 /* parameters that may have been placed on the stack */
1618 /*----------------------------------------------------------*/
1619 if (cinfo
->struct_ret
) {
1620 cinfo
->ret
.offset
= sz
->stack_size
;
1621 switch (cinfo
->ret
.size
) {
1629 sz
->stack_size
+= S390_ALIGN(cinfo
->ret
.size
, align
);
1634 sz
->stack_size
= sz
->stack_size
+ sz
->local_size
+ sz
->parm_size
+
1636 sz
->stack_size
= S390_ALIGN(sz
->stack_size
, sizeof(long));
1641 /*========================= End of Function ========================*/
1643 /*------------------------------------------------------------------*/
1645 /* Name - mono_arch_allocate_vars */
1647 /* Function - Set var information according to the calling */
1648 /* convention for S/390. The local var stuff should */
1649 /* most likely be split in another method. */
1651 /* Parameter - @m - Compile unit. */
1653 /*------------------------------------------------------------------*/
1656 mono_arch_allocate_vars (MonoCompile
*cfg
)
1658 MonoMethodSignature
*sig
;
1659 MonoMethodHeader
*header
;
1663 int iParm
, iVar
, offset
, size
, align
, curinst
;
1664 int frame_reg
= STK_BASE
;
1667 header
= mono_method_get_header (cfg
->method
);
1669 cfg
->flags
|= MONO_CFG_HAS_SPILLUP
;
1671 /*---------------------------------------------------------*/
1672 /* We use the frame register also for any method that has */
1673 /* filter clauses. This way, when the handlers are called, */
1674 /* the code will reference local variables using the frame */
1675 /* reg instead of the stack pointer: if we had to restore */
1676 /* the stack pointer, we'd corrupt the method frames that */
1677 /* are already on the stack (since filters get called */
1678 /* before stack unwinding happens) when the filter code */
1679 /* would call any method. */
1680 /*---------------------------------------------------------*/
1681 if ((cfg
->flags
& MONO_CFG_HAS_ALLOCA
) || header
->num_clauses
)
1682 frame_reg
= s390_r11
;
1684 cfg
->frame_reg
= frame_reg
;
1686 if (frame_reg
!= STK_BASE
)
1687 cfg
->used_int_regs
|= 1 << frame_reg
;
1689 sig
= mono_method_signature (cfg
->method
);
1691 cinfo
= calculate_sizes (sig
, &sz
, sig
->pinvoke
);
1693 if (cinfo
->struct_ret
) {
1694 cfg
->ret
->opcode
= OP_REGVAR
;
1695 cfg
->ret
->inst_c0
= s390_r2
;
1697 switch (mono_type_get_underlying_type (sig
->ret
)->type
) {
1698 case MONO_TYPE_VOID
:
1701 cfg
->ret
->opcode
= OP_REGVAR
;
1702 cfg
->ret
->dreg
= s390_r2
;
1707 /*--------------------------------------------------------------*/
1708 /* local vars are at a positive offset from the stack pointer */
1709 /* also note that if the function uses alloca, we use s390_r11 */
1710 /* to point at the local variables. */
1711 /* add parameter area size for called functions */
1712 /*--------------------------------------------------------------*/
1713 offset
= (cfg
->param_area
+ S390_MINIMAL_STACK_SIZE
);
1714 cfg
->sig_cookie
= 0;
1716 if (cinfo
->struct_ret
) {
1718 offset
= S390_ALIGN(offset
, sizeof(gpointer
));
1719 inst
->inst_offset
= offset
;
1720 inst
->opcode
= OP_REGOFFSET
;
1721 inst
->inst_basereg
= frame_reg
;
1722 offset
+= sizeof(gpointer
);
1723 if ((sig
->call_convention
== MONO_CALL_VARARG
) &&
1724 (!retFitsInReg (cinfo
->ret
.size
)))
1725 cfg
->sig_cookie
+= cinfo
->ret
.size
;
1729 inst
= cfg
->varinfo
[0];
1730 if (inst
->opcode
!= OP_REGVAR
) {
1731 inst
->opcode
= OP_REGOFFSET
;
1732 inst
->inst_basereg
= frame_reg
;
1733 offset
= S390_ALIGN(offset
, sizeof(gpointer
));
1734 inst
->inst_offset
= offset
;
1735 offset
+= sizeof (gpointer
);
1742 eArg
= sig
->param_count
+ sArg
;
1744 if (sig
->call_convention
== MONO_CALL_VARARG
)
1745 cfg
->sig_cookie
+= S390_MINIMAL_STACK_SIZE
;
1747 for (iParm
= sArg
; iParm
< eArg
; ++iParm
) {
1748 inst
= cfg
->varinfo
[curinst
];
1749 if (inst
->opcode
!= OP_REGVAR
) {
1750 switch (cinfo
->args
[iParm
].regtype
) {
1751 case RegTypeStructByAddr
:
1752 if (cinfo
->args
[iParm
].reg
== STK_BASE
) {
1753 inst
->opcode
= OP_S390_LOADARG
;
1754 inst
->inst_basereg
= frame_reg
;
1755 offset
= S390_ALIGN(offset
, sizeof(long));
1756 inst
->inst_offset
= offset
;
1757 size
= abs(cinfo
->args
[iParm
].vtsize
);
1758 inst
->backend
.arg_info
= cinfo
->args
[iParm
].offset
;
1760 inst
->opcode
= OP_S390_ARGREG
;
1761 inst
->inst_basereg
= frame_reg
;
1762 size
= sizeof(gpointer
);
1763 offset
= S390_ALIGN(offset
, size
);
1764 inst
->inst_offset
= offset
;
1765 inst
->backend
.arg_info
= cinfo
->args
[iParm
].offset
;
1768 case RegTypeStructByVal
:
1769 inst
->opcode
= OP_S390_ARGPTR
;
1770 inst
->inst_basereg
= frame_reg
;
1771 size
= cinfo
->args
[iParm
].size
;
1772 offset
= S390_ALIGN(offset
, size
);
1773 inst
->inst_offset
= offset
;
1774 inst
->backend
.arg_info
= cinfo
->args
[iParm
].offset
;
1777 if (cinfo
->args
[iParm
].reg
!= STK_BASE
) {
1778 inst
->opcode
= OP_REGOFFSET
;
1779 inst
->inst_basereg
= frame_reg
;
1780 size
= (cinfo
->args
[iParm
].size
< 8
1783 offset
= S390_ALIGN(offset
, size
);
1784 inst
->inst_offset
= offset
;
1786 inst
->opcode
= OP_S390_STKARG
;
1787 inst
->inst_basereg
= frame_reg
;
1788 size
= ((cinfo
->args
[iParm
].size
< 8)
1789 ? 8 - cinfo
->args
[iParm
].size
1791 inst
->inst_offset
= cinfo
->args
[iParm
].offset
+
1793 inst
->backend
.arg_info
= 0;
1794 size
= sizeof(long);
1797 if ((sig
->call_convention
== MONO_CALL_VARARG
) &&
1798 (cinfo
->args
[iParm
].regtype
!= RegTypeGeneral
) &&
1799 (iParm
< sig
->sentinelpos
))
1800 cfg
->sig_cookie
+= size
;
1807 curinst
= cfg
->locals_start
;
1808 for (iVar
= curinst
; iVar
< cfg
->num_varinfo
; ++iVar
) {
1809 inst
= cfg
->varinfo
[iVar
];
1810 if ((inst
->flags
& MONO_INST_IS_DEAD
) ||
1811 (inst
->opcode
== OP_REGVAR
))
1814 /*--------------------------------------------------*/
1815 /* inst->backend.is_pinvoke indicates native sized value types, */
1816 /* this is used by the pinvoke wrappers when they */
1817 /* call functions returning structure */
1818 /*--------------------------------------------------*/
1819 if (inst
->backend
.is_pinvoke
&& MONO_TYPE_ISSTRUCT (inst
->inst_vtype
))
1820 size
= mono_class_native_size (mono_class_from_mono_type(inst
->inst_vtype
), &align
);
1822 size
= mono_type_size (inst
->inst_vtype
, &align
);
1824 offset
= S390_ALIGN(offset
, align
);
1825 inst
->inst_offset
= offset
;
1826 inst
->opcode
= OP_REGOFFSET
;
1827 inst
->inst_basereg
= frame_reg
;
1829 DEBUG (g_print("allocating local %d to %ld, size: %d\n",
1830 iVar
, inst
->inst_offset
, size
));
1833 /*------------------------------------------------------*/
1834 /* Allow space for the trace method stack area if needed*/
1835 /*------------------------------------------------------*/
1836 if (mono_jit_trace_calls
!= NULL
&& mono_trace_eval (cfg
->method
))
1837 offset
+= S390_TRACE_STACK_SIZE
;
1839 /*------------------------------------------------------*/
1840 /* Reserve space to save LMF and caller saved registers */
1841 /*------------------------------------------------------*/
1842 if (cfg
->method
->save_lmf
)
1843 offset
+= sizeof (MonoLMF
);
1845 /*------------------------------------------------------*/
1846 /* align the offset */
1847 /*------------------------------------------------------*/
1848 cfg
->stack_offset
= S390_ALIGN(offset
, S390_STACK_ALIGNMENT
);
1852 /*========================= End of Function ========================*/
1854 /*------------------------------------------------------------------*/
1856 /* Name - mono_arch_call_opcode */
1858 /* Function - Take the arguments and generate the arch-specific */
1859 /* instructions to properly call the function. This */
1860 /* includes pushing, moving argments to the correct */
1863 /*------------------------------------------------------------------*/
1866 mono_arch_call_opcode (MonoCompile
*cfg
, MonoBasicBlock
* bb
,
1867 MonoCallInst
*call
, int is_virtual
) {
1869 MonoCallArgParm
*arg
;
1870 MonoMethodSignature
*sig
;
1871 int i
, n
, lParamArea
;
1876 sig
= call
->signature
;
1877 n
= sig
->param_count
+ sig
->hasthis
;
1878 DEBUG (g_print ("Call requires: %d parameters\n",n
));
1880 cinfo
= calculate_sizes (sig
, &sz
, sig
->pinvoke
);
1882 call
->stack_usage
= MAX(sz
.stack_size
, call
->stack_usage
);
1883 lParamArea
= MAX((call
->stack_usage
- S390_MINIMAL_STACK_SIZE
- sz
.parm_size
), 0);
1884 cfg
->param_area
= MAX (((signed) cfg
->param_area
), lParamArea
);
1885 cfg
->flags
|= MONO_CFG_HAS_CALLS
;
1887 if (cinfo
->struct_ret
)
1888 call
->used_iregs
|= 1 << cinfo
->ret
.reg
;
1890 for (i
= 0; i
< n
; ++i
) {
1891 ainfo
= cinfo
->args
+ i
;
1893 if (!(sig
->pinvoke
) &&
1894 (sig
->call_convention
== MONO_CALL_VARARG
) &&
1895 (i
== sig
->sentinelpos
)) {
1896 emit_sig_cookie (cfg
, call
, cinfo
, ainfo
->size
);
1899 if (is_virtual
&& i
== 0) {
1900 /* the argument will be attached to the call instrucion */
1901 in
= call
->args
[i
];
1902 call
->used_iregs
|= 1 << ainfo
->reg
;
1904 MONO_INST_NEW_CALL_ARG (cfg
, arg
, OP_OUTARG
);
1905 in
= call
->args
[i
];
1906 arg
->ins
.cil_code
= in
->cil_code
;
1907 arg
->ins
.inst_left
= in
;
1908 arg
->ins
.type
= in
->type
;
1910 /* prepend, we'll need to reverse them later */
1911 arg
->ins
.next
= call
->out_args
;
1912 call
->out_args
= (MonoInst
*) arg
;
1913 arg
->ins
.inst_right
= (MonoInst
*) call
;
1914 if (ainfo
->regtype
== RegTypeGeneral
) {
1915 arg
->ins
.backend
.reg3
= ainfo
->reg
;
1916 call
->used_iregs
|= 1 << ainfo
->reg
;
1917 } else if (ainfo
->regtype
== RegTypeStructByAddr
) {
1918 call
->used_iregs
|= 1 << ainfo
->reg
;
1919 arg
->ins
.sreg1
= ainfo
->reg
;
1920 arg
->ins
.opcode
= OP_OUTARG_VT
;
1921 arg
->size
= -ainfo
->vtsize
;
1922 arg
->offset
= ainfo
->offset
;
1923 arg
->offPrm
= ainfo
->offparm
+ sz
.offStruct
;
1924 } else if (ainfo
->regtype
== RegTypeStructByVal
) {
1925 if (ainfo
->reg
!= STK_BASE
)
1926 call
->used_iregs
|= 1 << ainfo
->reg
;
1927 arg
->ins
.sreg1
= ainfo
->reg
;
1928 arg
->ins
.opcode
= OP_OUTARG_VT
;
1929 arg
->size
= ainfo
->size
;
1930 arg
->offset
= ainfo
->offset
;
1931 arg
->offPrm
= ainfo
->offparm
+ sz
.offStruct
;
1932 } else if (ainfo
->regtype
== RegTypeBase
) {
1933 arg
->ins
.opcode
= OP_OUTARG_MEMBASE
;
1934 arg
->ins
.sreg1
= ainfo
->reg
;
1935 arg
->size
= ainfo
->size
;
1936 arg
->offset
= ainfo
->offset
;
1937 call
->used_iregs
|= 1 << ainfo
->reg
;
1938 } else if (ainfo
->regtype
== RegTypeFP
) {
1939 arg
->ins
.backend
.reg3
= ainfo
->reg
;
1940 call
->used_fregs
|= 1 << ainfo
->reg
;
1941 if (ainfo
->size
== 4)
1942 arg
->ins
.opcode
= OP_OUTARG_R4
;
1944 arg
->ins
.opcode
= OP_OUTARG_R8
;
1946 g_assert_not_reached ();
1952 * Handle the case where there are no implicit arguments
1954 if (!(sig
->pinvoke
) &&
1955 (sig
->call_convention
== MONO_CALL_VARARG
) &&
1956 (n
== sig
->sentinelpos
)) {
1957 emit_sig_cookie (cfg
, call
, cinfo
, sizeof(MonoType
*));
1961 * Reverse the call->out_args list.
1964 MonoInst
*prev
= NULL
, *list
= call
->out_args
, *next
;
1971 call
->out_args
= prev
;
1978 /*========================= End of Function ========================*/
1980 /*------------------------------------------------------------------*/
1982 /* Name - emit_sig_cookie. */
1984 /* Function - For variable length parameter lists construct a */
1985 /* signature cookie and emit it. */
1987 /*------------------------------------------------------------------*/
1990 emit_sig_cookie (MonoCompile
*cfg
, MonoCallInst
*call
,
1991 CallInfo
*cinfo
, int argSize
)
1993 MonoCallArgParm
*arg
;
1994 MonoMethodSignature
*tmpSig
;
1997 cfg
->disable_aot
= TRUE
;
1999 /*----------------------------------------------------------*/
2000 /* mono_ArgIterator_Setup assumes the signature cookie is */
2001 /* passed first and all the arguments which were before it */
2002 /* passed on the stack after the signature. So compensate */
2003 /* by passing a different signature. */
2004 /*----------------------------------------------------------*/
2005 tmpSig
= mono_metadata_signature_dup (call
->signature
);
2006 tmpSig
->param_count
-= call
->signature
->sentinelpos
;
2007 tmpSig
->sentinelpos
= 0;
2008 if (tmpSig
->param_count
> 0)
2009 memcpy (tmpSig
->params
,
2010 call
->signature
->params
+ call
->signature
->sentinelpos
,
2011 tmpSig
->param_count
* sizeof(MonoType
*));
2013 MONO_INST_NEW (cfg
, sigArg
, OP_ICONST
);
2014 sigArg
->inst_p0
= tmpSig
;
2016 MONO_INST_NEW_CALL_ARG (cfg
, arg
, OP_OUTARG_MEMBASE
);
2017 arg
->ins
.inst_left
= sigArg
;
2018 arg
->ins
.inst_right
= (MonoInst
*) call
;
2019 arg
->size
= argSize
;
2020 arg
->offset
= cinfo
->sigCookie
.offset
;
2022 /* prepend, we'll need to reverse them later */
2023 arg
->ins
.next
= call
->out_args
;
2024 call
->out_args
= (MonoInst
*) arg
;
2027 /*========================= End of Function ========================*/
2029 /*------------------------------------------------------------------*/
2031 /* Name - mono_arch_instrument_mem_needs */
2033 /* Function - Allow tracing to work with this interface (with */
2034 /* an optional argument). */
2036 /*------------------------------------------------------------------*/
2039 mono_arch_instrument_mem_needs (MonoMethod
*method
, int *stack
, int *code
)
2041 /* no stack room needed now (may be needed for FASTCALL-trace support) */
2043 /* split prolog-epilog requirements? */
2044 *code
= 50; /* max bytes needed: check this number */
2047 /*========================= End of Function ========================*/
2049 /*------------------------------------------------------------------*/
2051 /* Name - mono_arch_instrument_prolog */
2053 /* Function - Create an "instrumented" prolog. */
2055 /*------------------------------------------------------------------*/
2058 mono_arch_instrument_prolog (MonoCompile
*cfg
, void *func
, void *p
,
2059 gboolean enable_arguments
)
2066 parmOffset
= cfg
->stack_usage
- S390_TRACE_STACK_SIZE
;
2067 if (cfg
->method
->save_lmf
)
2068 parmOffset
-= sizeof(MonoLMF
);
2069 fpOffset
= parmOffset
+ (5*sizeof(gpointer
));
2070 if ((!has_ld
) && (fpOffset
> 4096)) {
2071 s390_lgr (code
, s390_r12
, STK_BASE
);
2073 while (fpOffset
> 4096) {
2074 s390_aghi (code
, baseReg
, 4096);
2082 s390_stmg (code
, s390_r2
, s390_r6
, STK_BASE
, parmOffset
);
2084 s390_stdy (code
, s390_f0
, 0, STK_BASE
, fpOffset
);
2085 s390_stdy (code
, s390_f2
, 0, STK_BASE
, fpOffset
+sizeof(gdouble
));
2086 s390_stdy (code
, s390_f4
, 0, STK_BASE
, fpOffset
+2*sizeof(gdouble
));
2087 s390_stdy (code
, s390_f6
, 0, STK_BASE
, fpOffset
+3*sizeof(gdouble
));
2089 s390_std (code
, s390_f0
, 0, baseReg
, fpOffset
);
2090 s390_std (code
, s390_f2
, 0, baseReg
, fpOffset
+sizeof(gdouble
));
2091 s390_std (code
, s390_f4
, 0, baseReg
, fpOffset
+2*sizeof(gdouble
));
2092 s390_std (code
, s390_f6
, 0, baseReg
, fpOffset
+3*sizeof(gdouble
));
2094 s390_basr (code
, s390_r13
, 0);
2096 s390_llong(code
, cfg
->method
);
2097 s390_llong(code
, func
);
2098 s390_lg (code
, s390_r2
, 0, s390_r13
, 4);
2100 s390_lay (code
, s390_r3
, 0, STK_BASE
, parmOffset
);
2102 s390_la (code
, s390_r3
, 0, baseReg
, parmOffset
);
2103 s390_lgr (code
, s390_r4
, STK_BASE
);
2104 s390_aghi (code
, s390_r4
, cfg
->stack_usage
);
2105 s390_lg (code
, s390_r1
, 0, s390_r13
, 12);
2106 s390_basr (code
, s390_r14
, s390_r1
);
2108 s390_ldy (code
, s390_f6
, 0, STK_BASE
, fpOffset
+3*sizeof(gdouble
));
2109 s390_ldy (code
, s390_f4
, 0, STK_BASE
, fpOffset
+2*sizeof(gdouble
));
2110 s390_ldy (code
, s390_f2
, 0, STK_BASE
, fpOffset
+sizeof(gdouble
));
2111 s390_ldy (code
, s390_f0
, 0, STK_BASE
, fpOffset
);
2113 s390_ld (code
, s390_f6
, 0, baseReg
, fpOffset
+3*sizeof(gdouble
));
2114 s390_ld (code
, s390_f4
, 0, baseReg
, fpOffset
+2*sizeof(gdouble
));
2115 s390_ld (code
, s390_f2
, 0, baseReg
, fpOffset
+sizeof(gdouble
));
2116 s390_ld (code
, s390_f0
, 0, baseReg
, fpOffset
);
2118 s390_lmg (code
, s390_r2
, s390_r6
, STK_BASE
, parmOffset
);
2123 /*========================= End of Function ========================*/
2125 /*------------------------------------------------------------------*/
2127 /* Name - mono_arch_instrument_epilog */
2129 /* Function - Create an epilog that will handle the returned */
2130 /* values used in instrumentation. */
2132 /*------------------------------------------------------------------*/
2135 mono_arch_instrument_epilog (MonoCompile
*cfg
, void *func
, void *p
, gboolean enable_arguments
)
2138 int save_mode
= SAVE_NONE
,
2140 MonoMethod
*method
= cfg
->method
;
2141 int rtype
= mono_type_get_underlying_type (mono_method_signature (method
)->ret
)->type
;
2143 saveOffset
= cfg
->stack_usage
- S390_TRACE_STACK_SIZE
;
2144 if (method
->save_lmf
)
2145 saveOffset
-= sizeof(MonoLMF
);
2149 case MONO_TYPE_VOID
:
2150 /* special case string .ctor icall */
2151 if (strcmp (".ctor", method
->name
) && method
->klass
== mono_defaults
.string_class
)
2152 save_mode
= SAVE_ONE
;
2154 save_mode
= SAVE_NONE
;
2158 save_mode
= SAVE_ONE
;
2161 save_mode
= SAVE_R4
;
2164 save_mode
= SAVE_R8
;
2166 case MONO_TYPE_VALUETYPE
:
2167 if (mono_method_signature (method
)->ret
->data
.klass
->enumtype
) {
2168 rtype
= mono_method_signature (method
)->ret
->data
.klass
->enum_basetype
->type
;
2171 save_mode
= SAVE_STRUCT
;
2174 save_mode
= SAVE_ONE
;
2178 switch (save_mode
) {
2180 s390_stg (code
, s390_r2
, 0, cfg
->frame_reg
, saveOffset
);
2181 if (enable_arguments
) {
2182 s390_lgr (code
, s390_r3
, s390_r2
);
2186 s390_std (code
, s390_f0
, 0, cfg
->frame_reg
, saveOffset
);
2187 if (enable_arguments
) {
2188 s390_ldebr (code
, s390_f0
, s390_f0
);
2192 s390_std (code
, s390_f0
, 0, cfg
->frame_reg
, saveOffset
);
2195 s390_stg (code
, s390_r2
, 0, cfg
->frame_reg
, saveOffset
);
2196 if (enable_arguments
) {
2197 s390_lg (code
, s390_r3
, 0, cfg
->frame_reg
,
2198 S390_MINIMAL_STACK_SIZE
+cfg
->param_area
);
2206 s390_basr (code
, s390_r13
, 0);
2208 s390_llong(code
, cfg
->method
);
2209 s390_llong(code
, func
);
2210 s390_lg (code
, s390_r2
, 0, s390_r13
, 4);
2211 s390_lg (code
, s390_r1
, 0, s390_r13
, 12);
2212 s390_basr (code
, s390_r14
, s390_r1
);
2214 switch (save_mode
) {
2216 s390_lg (code
, s390_r2
, 0, cfg
->frame_reg
, saveOffset
);
2220 s390_ld (code
, s390_f0
, 0, cfg
->frame_reg
, saveOffset
);
2223 s390_lg (code
, s390_r2
, 0, cfg
->frame_reg
, saveOffset
);
2233 /*========================= End of Function ========================*/
2235 /*------------------------------------------------------------------*/
2237 /* Name - peephole_pass */
2239 /* Function - Form a peephole pass at the code looking for */
2240 /* simple optimizations. */
2242 /*------------------------------------------------------------------*/
2245 peephole_pass (MonoCompile
*cfg
, MonoBasicBlock
*bb
)
2247 MonoInst
*ins
, *last_ins
= NULL
;
2252 switch (ins
->opcode
) {
2254 /* remove unnecessary multiplication with 1 */
2255 if (ins
->inst_imm
== 1) {
2256 if (ins
->dreg
!= ins
->sreg1
) {
2257 ins
->opcode
= OP_MOVE
;
2259 last_ins
->next
= ins
->next
;
2265 case OP_LOAD_MEMBASE
:
2266 case OP_LOADI4_MEMBASE
:
2268 * OP_STORE_MEMBASE_REG reg, offset(basereg)
2269 * OP_LOAD_MEMBASE offset(basereg), reg
2271 if (last_ins
&& (last_ins
->opcode
== OP_STOREI4_MEMBASE_REG
2272 || last_ins
->opcode
== OP_STORE_MEMBASE_REG
) &&
2273 ins
->inst_basereg
== last_ins
->inst_destbasereg
&&
2274 ins
->inst_offset
== last_ins
->inst_offset
) {
2275 if (ins
->dreg
== last_ins
->sreg1
) {
2276 last_ins
->next
= ins
->next
;
2280 ins
->opcode
= OP_MOVE
;
2281 ins
->sreg1
= last_ins
->sreg1
;
2285 * Note: reg1 must be different from the basereg in the second load
2286 * OP_LOAD_MEMBASE offset(basereg), reg1
2287 * OP_LOAD_MEMBASE offset(basereg), reg2
2289 * OP_LOAD_MEMBASE offset(basereg), reg1
2290 * OP_MOVE reg1, reg2
2292 } if (last_ins
&& (last_ins
->opcode
== OP_LOADI4_MEMBASE
2293 || last_ins
->opcode
== OP_LOAD_MEMBASE
) &&
2294 ins
->inst_basereg
!= last_ins
->dreg
&&
2295 ins
->inst_basereg
== last_ins
->inst_basereg
&&
2296 ins
->inst_offset
== last_ins
->inst_offset
) {
2298 if (ins
->dreg
== last_ins
->dreg
) {
2299 last_ins
->next
= ins
->next
;
2303 ins
->opcode
= OP_MOVE
;
2304 ins
->sreg1
= last_ins
->dreg
;
2309 case OP_LOADU1_MEMBASE
:
2310 case OP_LOADI1_MEMBASE
:
2311 if (last_ins
&& (last_ins
->opcode
== OP_STOREI1_MEMBASE_REG
) &&
2312 ins
->inst_basereg
== last_ins
->inst_destbasereg
&&
2313 ins
->inst_offset
== last_ins
->inst_offset
) {
2314 if (ins
->dreg
== last_ins
->sreg1
) {
2315 last_ins
->next
= ins
->next
;
2319 ins
->opcode
= OP_MOVE
;
2320 ins
->sreg1
= last_ins
->sreg1
;
2324 case OP_LOADU2_MEMBASE
:
2325 case OP_LOADI2_MEMBASE
:
2326 if (last_ins
&& (last_ins
->opcode
== OP_STOREI2_MEMBASE_REG
) &&
2327 ins
->inst_basereg
== last_ins
->inst_destbasereg
&&
2328 ins
->inst_offset
== last_ins
->inst_offset
) {
2329 if (ins
->dreg
== last_ins
->sreg1
) {
2330 last_ins
->next
= ins
->next
;
2334 ins
->opcode
= OP_MOVE
;
2335 ins
->sreg1
= last_ins
->sreg1
;
2345 if (ins
->dreg
== ins
->sreg1
) {
2347 last_ins
->next
= ins
->next
;
2352 * OP_MOVE sreg, dreg
2353 * OP_MOVE dreg, sreg
2355 if (last_ins
&& last_ins
->opcode
== OP_MOVE
&&
2356 ins
->sreg1
== last_ins
->dreg
&&
2357 ins
->dreg
== last_ins
->sreg1
) {
2358 last_ins
->next
= ins
->next
;
2367 bb
->last_ins
= last_ins
;
2370 /*========================= End of Function ========================*/
2372 /*------------------------------------------------------------------*/
2374 /* Name - mono_arch_local_regalloc. */
2376 /* Function - We first scan the list of instructions and we */
2377 /* save the liveness information of each register */
2378 /* (when the register is first used, when its value */
2379 /* is set etc.). We also reverse the list of instr- */
2380 /* uctions (in the InstList list) because assigning */
2381 /* registers backwards allows for more tricks to be */
2384 /*------------------------------------------------------------------*/
2387 mono_arch_local_regalloc (MonoCompile
*cfg
, MonoBasicBlock
*bb
)
2389 mono_local_regalloc(cfg
, bb
);
2392 /*========================= End of Function ========================*/
2394 /*------------------------------------------------------------------*/
2396 /* Name - emit_float_to_int */
2398 /* Function - Create instructions which will convert a floating */
2399 /* point value to integer. */
2401 /*------------------------------------------------------------------*/
2404 emit_float_to_int (MonoCompile
*cfg
, guchar
*code
, int dreg
, int sreg
, int size
, gboolean is_signed
)
2406 /* sreg is a float, dreg is an integer reg. */
2408 s390_cfdbr (code
, dreg
, 5, sreg
);
2411 s390_lghi (code
, s390_r0
, 0);
2412 s390_lghi (code
, s390_r13
, 0xff);
2413 s390_ltgr (code
, dreg
, dreg
);
2415 s390_lghi (code
, s390_r0
, 0x80);
2416 s390_ngr (code
, dreg
, s390_r13
);
2417 s390_ogr (code
, dreg
, s390_r0
);
2422 s390_basr (code
, s390_r13
, 0);
2424 s390_llong (code
, 0x41e0000000000000);
2425 s390_llong (code
, 0x41f0000000000000);
2426 s390_ldr (code
, s390_f15
, sreg
);
2427 s390_cdb (code
, s390_f15
, 0, s390_r13
, 4);
2428 s390_jl (code
, 0); CODEPTR (code
, o
[0]);
2429 s390_sdb (code
, s390_f15
, 0, s390_r13
, 12);
2430 s390_cfdbr (code
, dreg
, 7, s390_f15
);
2432 PTRSLOT (code
, o
[0]);
2433 s390_cfdbr (code
, dreg
, 5, sreg
);
2436 s390_lghi (code
, s390_r0
, 0xff);
2437 s390_ngr (code
, dreg
, s390_r0
);
2440 s390_lghi (code
, s390_r0
, -1);
2441 s390_srlg (code
, s390_r0
, s390_r0
, 0, 16);
2442 s390_ngr (code
, dreg
, s390_r0
);
2449 /*========================= End of Function ========================*/
2451 /*------------------------------------------------------------------*/
2453 /* Name - mono_arch_output_basic_block */
2455 /* Function - Perform the "real" work of emitting instructions */
2456 /* that will do the work of in the basic block. */
2458 /*------------------------------------------------------------------*/
2461 mono_arch_output_basic_block (MonoCompile
*cfg
, MonoBasicBlock
*bb
)
2466 guint8
*code
= cfg
->native_code
+ cfg
->code_len
;
2467 MonoInst
*last_ins
= NULL
;
2468 guint last_offset
= 0;
2469 int max_len
, cpos
, src2
;
2471 if (cfg
->opt
& MONO_OPT_PEEPHOLE
)
2472 peephole_pass (cfg
, bb
);
2474 /* we don't align basic blocks of loops on s390 */
2476 if (cfg
->verbose_level
> 2)
2477 g_print ("Basic block %d starting at offset 0x%x\n", bb
->block_num
, bb
->native_offset
);
2479 cpos
= bb
->max_offset
;
2481 if (cfg
->prof_options
& MONO_PROFILE_COVERAGE
) {
2482 //MonoCoverageInfo *cov = mono_get_coverage_info (cfg->method);
2483 //g_assert (!mono_compile_aot);
2486 // cov->data [bb->dfn].iloffset = bb->cil_code - cfg->cil_code;
2487 /* this is not thread save, but good enough */
2488 /* fixme: howto handle overflows? */
2489 //x86_inc_mem (code, &cov->data [bb->dfn].count);
2494 offset
= code
- cfg
->native_code
;
2496 max_len
= ((guint8
*)ins_spec
[ins
->opcode
])[MONO_INST_LEN
];
2498 if (offset
> (cfg
->code_size
- max_len
- 16)) {
2499 cfg
->code_size
*= 2;
2500 cfg
->native_code
= g_realloc (cfg
->native_code
, cfg
->code_size
);
2501 code
= cfg
->native_code
+ offset
;
2504 mono_debug_record_line_number (cfg
, ins
, offset
);
2506 switch (ins
->opcode
) {
2507 case OP_STOREI1_MEMBASE_IMM
: {
2508 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2509 S390_LONG (code
, stcy
, stc
, s390_r0
, 0,
2510 ins
->inst_destbasereg
, ins
->inst_offset
);
2513 case OP_STOREI2_MEMBASE_IMM
: {
2514 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2515 S390_LONG (code
, sthy
, sth
, s390_r0
, 0,
2516 ins
->inst_destbasereg
, ins
->inst_offset
);
2519 case OP_STOREI4_MEMBASE_IMM
: {
2520 if (s390_is_imm16(ins
->inst_imm
)) {
2521 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2523 s390_basr (code
, s390_r13
, 0);
2525 s390_llong(code
, ins
->inst_imm
);
2526 s390_lg (code
, s390_r0
, 0, s390_r13
, 4);
2528 S390_LONG (code
, sty
, st
, s390_r0
, 0,
2529 ins
->inst_destbasereg
, ins
->inst_offset
);
2532 case OP_STORE_MEMBASE_IMM
:
2533 case OP_STOREI8_MEMBASE_IMM
: {
2534 if (s390_is_imm16(ins
->inst_imm
)) {
2535 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2537 s390_basr (code
, s390_r13
, 0);
2539 s390_llong(code
, ins
->inst_imm
);
2540 s390_lg (code
, s390_r0
, 0, s390_r13
, 4);
2542 S390_LONG (code
, stg
, stg
, s390_r0
, 0,
2543 ins
->inst_destbasereg
, ins
->inst_offset
);
2546 case OP_STOREI1_MEMBASE_REG
: {
2547 S390_LONG (code
, stcy
, stc
, ins
->sreg1
, 0,
2548 ins
->inst_destbasereg
, ins
->inst_offset
);
2551 case OP_STOREI2_MEMBASE_REG
: {
2552 S390_LONG (code
, sthy
, sth
, ins
->sreg1
, 0,
2553 ins
->inst_destbasereg
, ins
->inst_offset
);
2556 case OP_STOREI4_MEMBASE_REG
: {
2557 S390_LONG (code
, sty
, st
, ins
->sreg1
, 0,
2558 ins
->inst_destbasereg
, ins
->inst_offset
);
2561 case OP_STORE_MEMBASE_REG
:
2562 case OP_STOREI8_MEMBASE_REG
: {
2563 S390_LONG (code
, stg
, stg
, ins
->sreg1
, 0,
2564 ins
->inst_destbasereg
, ins
->inst_offset
);
2568 case CEE_LDIND_I4
: {
2569 s390_basr (code
, s390_r13
, 0);
2571 s390_llong(code
, ins
->inst_p0
);
2572 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
2573 s390_lgf (code
, ins
->dreg
, 0, s390_r13
, 0);
2576 case CEE_LDIND_U4
: {
2577 s390_basr (code
, s390_r13
, 0);
2579 s390_llong(code
, ins
->inst_p0
);
2580 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
2581 s390_llgf (code
, ins
->dreg
, 0, s390_r13
, 0);
2585 g_assert_not_reached ();
2587 case OP_LOAD_MEMBASE
:
2588 case OP_LOADI8_MEMBASE
: {
2589 S390_LONG (code
, lg
, lg
, ins
->dreg
, 0,
2590 ins
->inst_basereg
, ins
->inst_offset
);
2593 case OP_LOADI4_MEMBASE
: {
2594 S390_LONG (code
, lgf
, lgf
, ins
->dreg
, 0,
2595 ins
->inst_basereg
, ins
->inst_offset
);
2598 case OP_LOADU4_MEMBASE
: {
2599 S390_LONG (code
, llgf
, llgf
, ins
->dreg
, 0,
2600 ins
->inst_basereg
, ins
->inst_offset
);
2603 case OP_LOADU1_MEMBASE
: {
2604 S390_LONG (code
, llgc
, llgc
, ins
->dreg
, 0,
2605 ins
->inst_basereg
, ins
->inst_offset
);
2608 case OP_LOADI1_MEMBASE
: {
2609 S390_LONG (code
, lb
, lb
, ins
->dreg
, 0,
2610 ins
->inst_basereg
, ins
->inst_offset
);
2613 case OP_LOADU2_MEMBASE
: {
2614 S390_LONG (code
, llgh
, llgh
, ins
->dreg
, 0,
2615 ins
->inst_basereg
, ins
->inst_offset
);
2618 case OP_LOADI2_MEMBASE
: {
2619 S390_LONG (code
, lgh
, lgh
, ins
->dreg
, 0,
2620 ins
->inst_basereg
, ins
->inst_offset
);
2624 s390_lghi (code
, s390_r0
, 0x80);
2625 if (ins
->dreg
!= ins
->sreg1
) {
2626 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2628 s390_ngr (code
, s390_r0
, ins
->sreg1
);
2630 s390_lghi (code
, s390_r13
, -1);
2631 s390_sllg (code
, s390_r13
, s390_r13
, 0, 8);
2632 s390_ogr (code
, ins
->dreg
, s390_r13
);
2636 s390_lghi (code
, s390_r0
, 0x80);
2637 s390_sllg (code
, s390_r0
, s390_r0
, 0, 8);
2638 if (ins
->dreg
!= ins
->sreg1
) {
2639 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2641 s390_ngr (code
, s390_r0
, ins
->sreg1
);
2643 s390_lghi (code
, s390_r13
, -1);
2644 s390_sllg (code
, s390_r13
, s390_r13
, 0, 16);
2645 s390_ogr (code
, ins
->dreg
, s390_r13
);
2649 s390_lghi (code
, s390_r0
, 0xff);
2650 if (ins
->dreg
!= ins
->sreg1
) {
2651 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2653 s390_ngr (code
, ins
->dreg
, s390_r0
);
2657 s390_lghi (code
, s390_r0
, -1);
2658 s390_sllg (code
, s390_r0
, s390_r0
, 0, 16);
2659 s390_srlg (code
, s390_r0
, s390_r0
, 0, 16);
2660 if (ins
->dreg
!= ins
->sreg1
) {
2661 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2663 s390_ngr (code
, ins
->dreg
, s390_r0
);
2669 (opcode_to_cond(ins
->next
->opcode
) >= CMP_LE_UN
))
2670 s390_clgr (code
, ins
->sreg1
, ins
->sreg2
);
2672 s390_cgr (code
, ins
->sreg1
, ins
->sreg2
);
2675 case OP_COMPARE_IMM
: {
2676 if (s390_is_imm16 (ins
->inst_imm
)) {
2677 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2679 (opcode_to_cond(ins
->next
->opcode
) >= CMP_LE_UN
))
2680 s390_clgr (code
, ins
->sreg1
, s390_r0
);
2682 s390_cgr (code
, ins
->sreg1
, s390_r0
);
2685 s390_basr (code
, s390_r13
, 0);
2687 s390_llong(code
, ins
->inst_imm
);
2689 (opcode_to_cond(ins
->next
->opcode
) >= CMP_LE_UN
))
2690 s390_clg (code
, ins
->sreg1
, 0, s390_r13
, 4);
2692 s390_cg (code
, ins
->sreg1
, 0, s390_r13
, 4);
2698 (opcode_to_cond(ins
->next
->opcode
) >= CMP_LE_UN
))
2699 s390_clr (code
, ins
->sreg1
, ins
->sreg2
);
2701 s390_cr (code
, ins
->sreg1
, ins
->sreg2
);
2704 case OP_ICOMPARE_IMM
: {
2705 if (s390_is_imm16 (ins
->inst_imm
)) {
2706 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2708 (opcode_to_cond(ins
->next
->opcode
) >= CMP_LE_UN
))
2709 s390_clr (code
, ins
->sreg1
, s390_r0
);
2711 s390_cr (code
, ins
->sreg1
, s390_r0
);
2714 s390_basr (code
, s390_r13
, 0);
2716 s390_word (code
, ins
->inst_imm
);
2718 (opcode_to_cond(ins
->next
->opcode
) >= CMP_LE_UN
))
2719 s390_cl (code
, ins
->sreg1
, 0, s390_r13
, 4);
2721 s390_c (code
, ins
->sreg1
, 0, s390_r13
, 4);
2726 s390_basr (code
, s390_r13
, 0);
2728 mono_add_patch_info (cfg
, offset
, MONO_PATCH_INFO_ABS
,
2730 s390_llong (code
, mono_arch_break
);
2731 s390_lg (code
, s390_r14
, 0, s390_r13
, 4);
2732 s390_basr (code
, s390_r14
, s390_r14
);
2737 s390_algr (code
, ins
->dreg
, src2
);
2742 s390_agr (code
, ins
->dreg
, src2
);
2747 s390_alcgr (code
, ins
->dreg
, src2
);
2751 if (ins
->dreg
!= ins
->sreg1
) {
2752 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2754 if (s390_is_imm16 (ins
->inst_imm
)) {
2755 s390_aghi (code
, ins
->dreg
, ins
->inst_imm
);
2757 s390_basr (code
, s390_r13
, 0);
2759 s390_llong(code
, ins
->inst_imm
);
2760 s390_ag (code
, ins
->dreg
, 0, s390_r13
, 4);
2764 // case OP_ADDCC_IMM: {
2765 // if ((ins->next) &&
2766 // (ins->next->opcode == OP_ADC_IMM)) {
2767 // s390_basr (code, s390_r13, 0);
2768 // s390_j (code, 6);
2769 // s390_llong(code, ins->inst_imm);
2770 // if (ins->dreg != ins->sreg1) {
2771 // s390_lgr (code, ins->dreg, ins->sreg1);
2773 // s390_alg (code, ins->dreg, 0, s390_r13, 4);
2775 // if (s390_is_imm16 (ins->inst_imm)) {
2776 // if (ins->dreg != ins->sreg1) {
2777 // s390_lgr (code, ins->dreg, ins->sreg1);
2779 // s390_aghi (code, ins->dreg, ins->inst_imm);
2781 // s390_basr (code, s390_r13, 0);
2782 // s390_j (code, 6);
2783 // s390_llong(code, ins->inst_imm);
2784 // if (ins->dreg != ins->sreg1) {
2785 // s390_lgr (code, ins->dreg, ins->sreg1);
2787 // s390_ag (code, ins->dreg, 0, s390_r13, 4);
2793 if (ins
->dreg
!= ins
->sreg1
) {
2794 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2796 if (s390_is_imm16 (ins
->inst_imm
)) {
2797 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2798 s390_alcgr (code
, ins
->dreg
, s390_r0
);
2800 s390_basr (code
, s390_r13
, 0);
2802 s390_llong (code
, ins
->inst_imm
);
2803 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
2804 s390_alcgr (code
, ins
->dreg
, s390_r13
);
2810 s390_agr (code
, ins
->dreg
, src2
);
2811 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
2814 case OP_LADD_OVF_UN
: {
2816 s390_algr (code
, ins
->dreg
, src2
);
2817 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY
, "OverflowException");
2820 case OP_ADD_OVF_CARRY
: {
2822 s390_lghi (code
, s390_r0
, 0);
2823 s390_lgr (code
, s390_r1
, s390_r0
);
2824 s390_alcgr (code
, s390_r0
, s390_r1
);
2825 s390_agr (code
, ins
->dreg
, src2
);
2826 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
2827 s390_agr (code
, ins
->dreg
, s390_r0
);
2828 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
2831 case OP_ADD_OVF_UN_CARRY
: {
2833 s390_alcgr (code
, ins
->dreg
, src2
);
2834 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY
, "OverflowException");
2839 s390_slgr (code
, ins
->dreg
, src2
);
2844 s390_sgr (code
, ins
->dreg
, src2
);
2849 s390_slbgr(code
, ins
->dreg
, src2
);
2853 if (ins
->dreg
!= ins
->sreg1
) {
2854 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2856 if (s390_is_imm16 (-ins
->inst_imm
)) {
2857 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2858 s390_slgr (code
, ins
->dreg
, s390_r0
);
2860 s390_basr (code
, s390_r13
, 0);
2862 s390_llong(code
, ins
->inst_imm
);
2863 s390_slg (code
, ins
->dreg
, 0, s390_r13
, 4);
2868 if (ins
->dreg
!= ins
->sreg1
) {
2869 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2871 if (s390_is_imm16 (-ins
->inst_imm
)) {
2872 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2873 s390_slbgr (code
, ins
->dreg
, s390_r0
);
2875 s390_basr (code
, s390_r13
, 0);
2877 s390_llong(code
, ins
->inst_imm
);
2878 s390_slbg (code
, ins
->dreg
, 0, s390_r13
, 4);
2884 s390_sgr (code
, ins
->dreg
, src2
);
2885 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
2888 case OP_LSUB_OVF_UN
: {
2890 s390_slgr (code
, ins
->dreg
, src2
);
2891 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC
, "OverflowException");
2894 case OP_SUB_OVF_CARRY
: {
2896 s390_lghi (code
, s390_r0
, 0);
2897 s390_lgr (code
, s390_r1
, s390_r0
);
2898 s390_slbgr (code
, s390_r0
, s390_r1
);
2899 s390_sgr (code
, ins
->dreg
, src2
);
2900 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
2901 s390_agr (code
, ins
->dreg
, s390_r0
);
2902 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
2905 case OP_SUB_OVF_UN_CARRY
: {
2907 s390_slbgr (code
, ins
->dreg
, src2
);
2908 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC
, "OverflowException");
2912 if (ins
->sreg1
== ins
->dreg
) {
2913 s390_ngr (code
, ins
->dreg
, ins
->sreg2
);
2916 if (ins
->sreg2
== ins
->dreg
) {
2917 s390_ngr (code
, ins
->dreg
, ins
->sreg1
);
2920 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2921 s390_ngr (code
, ins
->dreg
, ins
->sreg2
);
2927 if (ins
->dreg
!= ins
->sreg1
) {
2928 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
2930 if (s390_is_imm16 (ins
->inst_imm
)) {
2931 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
2932 s390_ngr (code
, ins
->dreg
, s390_r0
);
2934 s390_basr (code
, s390_r13
, 0);
2936 s390_llong(code
, ins
->inst_imm
);
2937 s390_ng (code
, ins
->dreg
, 0, s390_r13
, 4);
2942 s390_lgr (code
, s390_r1
, ins
->sreg1
);
2943 s390_dsgr (code
, s390_r0
, ins
->sreg2
);
2944 s390_lgr (code
, ins
->dreg
, s390_r1
);
2948 s390_lgr (code
, s390_r1
, ins
->sreg1
);
2949 s390_lghi (code
, s390_r0
, 0);
2950 s390_dlgr (code
, s390_r0
, ins
->sreg2
);
2951 s390_lgr (code
, ins
->dreg
, s390_r1
);
2955 if (s390_is_imm16 (ins
->inst_imm
)) {
2956 s390_lghi (code
, s390_r13
, ins
->inst_imm
);
2957 s390_lgr (code
, s390_r1
, ins
->sreg1
);
2959 s390_basr (code
, s390_r13
, 0);
2961 s390_llong(code
, ins
->inst_imm
);
2962 s390_lgr (code
, s390_r1
, ins
->sreg1
);
2963 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
2965 s390_dsgr (code
, s390_r0
, s390_r13
);
2966 s390_lgr (code
, ins
->dreg
, s390_r1
);
2970 s390_lgr (code
, s390_r1
, ins
->sreg1
);
2971 s390_dsgr (code
, s390_r0
, ins
->sreg2
);
2972 s390_lgr (code
, ins
->dreg
, s390_r0
);
2976 s390_lgr (code
, s390_r1
, ins
->sreg1
);
2977 s390_lghi (code
, s390_r0
, 0);
2978 s390_dlgr (code
, s390_r0
, ins
->sreg2
);
2979 s390_lgr (code
, ins
->dreg
, s390_r0
);
2983 if (s390_is_imm16 (ins
->inst_imm
)) {
2984 s390_lghi (code
, s390_r13
, ins
->inst_imm
);
2985 s390_lgr (code
, s390_r0
, ins
->sreg1
);
2987 s390_basr (code
, s390_r13
, 0);
2989 s390_llong(code
, ins
->inst_imm
);
2990 s390_lgr (code
, s390_r0
, ins
->sreg1
);
2991 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
2993 s390_dsgr(code
, s390_r0
, s390_r13
);
2994 s390_lgr (code
, ins
->dreg
, s390_r0
);
2998 if (ins
->sreg1
== ins
->dreg
) {
2999 s390_ogr (code
, ins
->dreg
, ins
->sreg2
);
3002 if (ins
->sreg2
== ins
->dreg
) {
3003 s390_ogr (code
, ins
->dreg
, ins
->sreg1
);
3006 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3007 s390_ogr (code
, ins
->dreg
, ins
->sreg2
);
3013 if (ins
->dreg
!= ins
->sreg1
) {
3014 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3016 if (s390_is_imm16 (ins
->inst_imm
)) {
3017 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
3018 s390_ogr (code
, ins
->dreg
, s390_r0
);
3020 s390_basr (code
, s390_r13
, 0);
3022 s390_llong(code
, ins
->inst_imm
);
3023 s390_og (code
, ins
->dreg
, 0, s390_r13
, 4);
3028 if (ins
->sreg1
== ins
->dreg
) {
3029 s390_xgr (code
, ins
->dreg
, ins
->sreg2
);
3032 if (ins
->sreg2
== ins
->dreg
) {
3033 s390_xgr (code
, ins
->dreg
, ins
->sreg1
);
3036 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3037 s390_xgr (code
, ins
->dreg
, ins
->sreg2
);
3043 if (ins
->dreg
!= ins
->sreg1
) {
3044 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3046 if (s390_is_imm16 (ins
->inst_imm
)) {
3047 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
3048 s390_xgr (code
, ins
->dreg
, s390_r0
);
3050 s390_basr (code
, s390_r13
, 0);
3052 s390_llong(code
, ins
->inst_imm
);
3053 s390_xg (code
, ins
->dreg
, 0, s390_r13
, 4);
3060 s390_sllg (code
, ins
->dreg
, ins
->dreg
, src2
, 0);
3065 if (ins
->sreg1
!= ins
->dreg
) {
3066 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3068 s390_sllg (code
, ins
->dreg
, ins
->dreg
, 0, (ins
->inst_imm
& 0x3f));
3074 s390_srag (code
, ins
->dreg
, ins
->dreg
, src2
, 0);
3079 if (ins
->sreg1
!= ins
->dreg
) {
3080 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3082 s390_srag (code
, ins
->dreg
, ins
->dreg
, 0, (ins
->inst_imm
& 0x3f));
3086 case OP_LSHR_UN_IMM
: {
3087 if (ins
->sreg1
!= ins
->dreg
) {
3088 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3090 s390_srlg (code
, ins
->dreg
, ins
->dreg
, 0, (ins
->inst_imm
& 0x3f));
3096 s390_srlg (code
, ins
->dreg
, ins
->dreg
, src2
, 0);
3100 if (ins
->sreg1
!= ins
->dreg
) {
3101 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3103 s390_lghi (code
, s390_r0
, -1);
3104 s390_xgr (code
, ins
->dreg
, s390_r0
);
3108 s390_lcgr (code
, ins
->dreg
, ins
->sreg1
);
3114 s390_msgr (code
, ins
->dreg
, src2
);
3119 if (ins
->dreg
!= ins
->sreg1
) {
3120 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3122 if (s390_is_imm16 (ins
->inst_imm
)) {
3123 s390_lghi (code
, s390_r13
, ins
->inst_imm
);
3125 s390_basr (code
, s390_r13
, 0);
3127 s390_llong(code
, ins
->inst_imm
);
3128 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
3130 s390_msgr (code
, ins
->dreg
, s390_r13
);
3136 s390_ltgr (code
, s390_r1
, ins
->sreg1
);
3137 s390_jz (code
, 0); CODEPTR(code
, o
[0]);
3138 s390_ltgr (code
, s390_r0
, ins
->sreg2
);
3140 s390_lghi (code
, s390_r1
, 0);
3141 s390_j (code
, 0); CODEPTR(code
, o
[1]);
3142 s390_xgr (code
, s390_r0
, s390_r1
);
3143 s390_msgr (code
, s390_r1
, ins
->sreg2
);
3144 s390_xgr (code
, s390_r0
, s390_r1
);
3145 s390_srlg (code
, s390_r0
, s390_r0
, 0, 63);
3146 s390_ltgr (code
, s390_r0
, s390_r0
);
3147 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ
, "OverflowException");
3148 PTRSLOT (code
, o
[0]);
3149 PTRSLOT (code
, o
[1]);
3150 s390_lgr (code
, ins
->dreg
, s390_r1
);
3153 case OP_LMUL_OVF_UN
:
3154 case CEE_MUL_OVF_UN
: {
3155 s390_lghi (code
, s390_r0
, 0);
3156 s390_lgr (code
, s390_r1
, ins
->sreg1
);
3157 s390_mlgr (code
, s390_r0
, ins
->sreg2
);
3158 s390_ltgr (code
, s390_r0
, s390_r0
);
3159 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ
, "OverflowException");
3160 s390_lgr (code
, ins
->dreg
, s390_r1
);
3164 g_assert_not_reached ();
3166 s390_algr (code
, ins
->dreg
, src2
);
3171 s390_agr (code
, ins
->dreg
, src2
);
3175 g_assert_not_reached ();
3177 s390_alcgr (code
, ins
->dreg
, src2
);
3181 if (ins
->dreg
!= ins
->sreg1
) {
3182 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3184 if (s390_is_imm16 (ins
->inst_imm
)) {
3185 s390_aghi(code
, ins
->dreg
, ins
->inst_imm
);
3187 s390_basr (code
, s390_r13
, 0);
3189 s390_word (code
, ins
->inst_imm
);
3190 s390_agf (code
, ins
->dreg
, 0, s390_r13
, 4);
3195 if (ins
->dreg
!= ins
->sreg1
) {
3196 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3198 if (s390_is_imm16 (ins
->inst_imm
)) {
3199 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
3200 s390_alcgr (code
, ins
->dreg
, s390_r0
);
3202 s390_basr (code
, s390_r13
, 0);
3204 s390_word (code
, ins
->inst_imm
);
3205 s390_lgf (code
, s390_r13
, 0, s390_r13
, 4);
3206 s390_alcgr (code
, ins
->dreg
, s390_r13
);
3212 s390_ar (code
, ins
->dreg
, src2
);
3213 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
3214 s390_lgfr (code
, ins
->dreg
, ins
->dreg
);
3217 case CEE_ADD_OVF_UN
: {
3219 s390_algr (code
, ins
->dreg
, src2
);
3220 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY
, "OverflowException");
3221 s390_llgfr (code
, ins
->dreg
, ins
->dreg
);
3225 CHECK_SRCDST_NCOM_I
;
3226 s390_slgr (code
, ins
->dreg
, src2
);
3230 CHECK_SRCDST_NCOM_I
;
3231 s390_sgr (code
, ins
->dreg
, src2
);
3235 CHECK_SRCDST_NCOM_I
;
3236 s390_slbgr (code
, ins
->dreg
, src2
);
3240 if (ins
->dreg
!= ins
->sreg1
) {
3241 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3243 if (s390_is_imm16 (-ins
->inst_imm
)) {
3244 s390_aghi (code
, ins
->dreg
, -ins
->inst_imm
);
3246 s390_basr (code
, s390_r13
, 0);
3248 s390_word (code
, ins
->inst_imm
);
3249 s390_sgf (code
, ins
->dreg
, 0, s390_r13
, 4);
3254 s390_basr (code
, s390_r13
, 0);
3256 s390_word (code
, ins
->inst_imm
);
3257 s390_slgf (code
, ins
->dreg
, 0, s390_r13
, 4);
3262 s390_sr (code
, ins
->dreg
, src2
);
3263 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, "OverflowException");
3264 s390_lgfr (code
, ins
->dreg
, ins
->dreg
);
3267 case CEE_SUB_OVF_UN
: {
3269 s390_slr (code
, ins
->dreg
, src2
);
3270 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC
, "OverflowException");
3271 s390_llgfr(code
, ins
->dreg
, ins
->dreg
);
3275 CHECK_SRCDST_NCOM_I
;
3276 s390_ngr (code
, ins
->dreg
, src2
);
3280 if (ins
->dreg
!= ins
->sreg1
) {
3281 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3283 if (s390_is_imm16 (ins
->inst_imm
)) {
3284 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
3285 s390_ngr (code
, ins
->dreg
, s390_r0
);
3287 s390_basr (code
, s390_r13
, 0);
3289 s390_llong(code
, ins
->inst_imm
);
3290 s390_ng (code
, ins
->dreg
, 0, s390_r13
, 4);
3295 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3296 s390_srda (code
, s390_r0
, 0, 32);
3297 s390_dr (code
, s390_r0
, ins
->sreg2
);
3298 s390_lgfr (code
, ins
->dreg
, s390_r1
);
3302 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3303 s390_srdl (code
, s390_r0
, 0, 32);
3304 s390_dlr (code
, s390_r0
, ins
->sreg2
);
3305 s390_lgfr (code
, ins
->dreg
, s390_r1
);
3309 if (s390_is_imm16 (ins
->inst_imm
)) {
3310 s390_lghi (code
, s390_r13
, ins
->inst_imm
);
3311 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3313 s390_basr (code
, s390_r13
, 0);
3315 s390_word (code
, ins
->inst_imm
);
3316 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3317 s390_lgf (code
, s390_r13
, 0, s390_r13
, 4);
3319 s390_srda (code
, s390_r0
, 0, 32);
3320 s390_dr (code
, s390_r0
, ins
->sreg2
);
3321 s390_lgfr (code
, ins
->dreg
, s390_r1
);
3325 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3326 s390_srda (code
, s390_r0
, 0, 32);
3327 s390_dr (code
, s390_r0
, ins
->sreg2
);
3328 s390_lgfr (code
, ins
->dreg
, s390_r0
);
3331 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3332 s390_srdl (code
, s390_r0
, 0, 32);
3333 s390_dlr (code
, s390_r0
, ins
->sreg2
);
3334 s390_lgfr (code
, ins
->dreg
, s390_r0
);
3338 if (s390_is_imm16 (ins
->inst_imm
)) {
3339 s390_lghi (code
, s390_r13
, ins
->inst_imm
);
3340 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3342 s390_basr (code
, s390_r13
, 0);
3344 s390_word (code
, ins
->inst_imm
);
3345 s390_lgfr (code
, s390_r0
, ins
->sreg1
);
3346 s390_lgf (code
, s390_r13
, 0, s390_r13
, 4);
3348 s390_srda (code
, s390_r0
, 0, 32);
3349 s390_dr (code
, s390_r0
, ins
->sreg2
);
3350 s390_lgfr (code
, ins
->dreg
, s390_r0
);
3355 s390_ogr (code
, ins
->dreg
, src2
);
3359 if (ins
->dreg
!= ins
->sreg1
) {
3360 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3362 if (s390_is_imm16 (ins
->inst_imm
)) {
3363 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
3364 s390_ogr (code
, ins
->dreg
, s390_r0
);
3366 s390_basr (code
, s390_r13
, 0);
3368 s390_llong(code
, ins
->inst_imm
);
3369 s390_og (code
, ins
->dreg
, 0, s390_r13
, 4);
3375 s390_xgr (code
, ins
->dreg
, src2
);
3379 if (ins
->dreg
!= ins
->sreg1
) {
3380 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3382 if (s390_is_imm16 (ins
->inst_imm
)) {
3383 s390_lghi (code
, s390_r0
, ins
->inst_imm
);
3384 s390_xgr (code
, ins
->dreg
, s390_r0
);
3386 s390_basr (code
, s390_r13
, 0);
3388 s390_llong(code
, ins
->inst_imm
);
3389 s390_xg (code
, ins
->dreg
, 0, s390_r13
, 4);
3394 if (ins
->sreg1
!= ins
->dreg
) {
3395 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3397 s390_sll (code
, ins
->dreg
, ins
->sreg2
, 0);
3401 if (ins
->sreg1
!= ins
->dreg
) {
3402 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3404 s390_sll (code
, ins
->dreg
, 0, (ins
->inst_imm
& 0x1f));
3408 if (ins
->sreg1
!= ins
->dreg
) {
3409 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3411 s390_sra (code
, ins
->dreg
, ins
->sreg2
, 0);
3415 if (ins
->sreg1
!= ins
->dreg
) {
3416 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3418 s390_sra (code
, ins
->dreg
, 0, (ins
->inst_imm
& 0x1f));
3421 case OP_ISHR_UN_IMM
: {
3422 if (ins
->sreg1
!= ins
->dreg
) {
3423 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3425 s390_srl (code
, ins
->dreg
, 0, (ins
->inst_imm
& 0x1f));
3429 if (ins
->sreg1
!= ins
->dreg
) {
3430 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3432 s390_srl (code
, ins
->dreg
, ins
->sreg2
, 0);
3436 if (ins
->sreg1
!= ins
->dreg
) {
3437 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3439 s390_lghi (code
, s390_r0
, -1);
3440 s390_xgr (code
, ins
->dreg
, s390_r0
);
3444 s390_lcgr (code
, ins
->dreg
, ins
->sreg1
);
3449 s390_msr (code
, ins
->dreg
, src2
);
3453 if (ins
->dreg
!= ins
->sreg1
) {
3454 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3456 if (s390_is_imm16 (ins
->inst_imm
)) {
3457 s390_lghi (code
, s390_r13
, ins
->inst_imm
);
3459 s390_basr (code
, s390_r13
, 0);
3461 s390_word (code
, ins
->inst_imm
);
3462 s390_lgf (code
, s390_r13
, 0, s390_r13
, 4);
3464 s390_msr (code
, ins
->dreg
, s390_r13
);
3469 s390_ltr (code
, s390_r1
, ins
->sreg1
);
3470 s390_jz (code
, 0); CODEPTR(code
, o
[0]);
3471 s390_ltr (code
, s390_r0
, ins
->sreg2
);
3473 s390_lhi (code
, s390_r1
, 0);
3474 s390_j (code
, 0); CODEPTR(code
, o
[1]);
3475 s390_xr (code
, s390_r0
, s390_r1
);
3476 s390_msr (code
, s390_r1
, ins
->sreg2
);
3477 s390_xr (code
, s390_r0
, s390_r1
);
3478 s390_srl (code
, s390_r0
, 0, 31);
3479 s390_ltr (code
, s390_r0
, s390_r0
);
3480 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ
, "OverflowException");
3481 PTRSLOT (code
, o
[0]);
3482 PTRSLOT (code
, o
[1]);
3483 s390_lgfr (code
, ins
->dreg
, s390_r1
);
3486 case OP_IMUL_OVF_UN
: {
3487 s390_lhi (code
, s390_r0
, 0);
3488 s390_lr (code
, s390_r1
, ins
->sreg1
);
3489 s390_mlr (code
, s390_r0
, ins
->sreg2
);
3490 s390_ltr (code
, s390_r0
, s390_r0
);
3491 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NZ
, "OverflowException");
3492 s390_lgfr (code
, ins
->dreg
, s390_r1
);
3497 case OP_SETREGIMM
: {
3498 if (s390_is_imm16(ins
->inst_c0
)) {
3499 s390_lghi (code
, ins
->dreg
, ins
->inst_c0
);
3501 s390_basr (code
, s390_r13
, 0);
3503 s390_llong(code
, ins
->inst_c0
);
3504 s390_lg (code
, ins
->dreg
, 0, s390_r13
, 4);
3509 s390_basr (code
, s390_r13
, 0);
3511 mono_add_patch_info (cfg
, code
- cfg
->native_code
,
3512 (MonoJumpInfoType
)ins
->inst_i1
, ins
->inst_p0
);
3513 s390_llong(code
, 0);
3514 s390_lg (code
,ins
->dreg
, 0, s390_r13
, 4);
3521 if (ins
->dreg
!= ins
->sreg1
) {
3522 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
3527 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3532 s390_llgfr (code
, ins
->dreg
, ins
->sreg1
);
3534 case CEE_CONV_OVF_U4
:
3535 s390_basr (code
, s390_r13
, 0);
3537 s390_llong(code
, 4294967295);
3538 s390_clg (code
, ins
->sreg1
, 0, s390_r13
, 4);
3539 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT
, "OverflowException");
3540 s390_ltgr (code
, ins
->sreg1
, ins
->sreg1
);
3541 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT
, "OverflowException");
3542 s390_llgfr(code
, ins
->dreg
, ins
->sreg1
);
3544 case CEE_CONV_OVF_I4_UN
:
3545 s390_basr (code
, s390_r13
, 0);
3547 s390_llong(code
, 2147483647);
3548 s390_cg (code
, ins
->sreg1
, 0, s390_r13
, 4);
3549 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT
, "OverflowException");
3550 s390_ltgr (code
, ins
->sreg1
, ins
->sreg1
);
3551 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT
, "OverflowException");
3552 s390_lgfr (code
, ins
->dreg
, ins
->sreg1
);
3556 if (ins
->dreg
!= ins
->sreg1
) {
3557 s390_ldr (code
, ins
->dreg
, ins
->sreg1
);
3561 case OP_S390_SETF4RET
: {
3562 s390_ledbr (code
, ins
->dreg
, ins
->sreg1
);
3565 case OP_FCONV_TO_R4
: {
3566 g_error ("Shouldn't be reached");
3568 (ins
->next
->opcode
!= OP_FMOVE
) &&
3569 (ins
->next
->opcode
!= OP_STORER4_MEMBASE_REG
))
3570 s390_ledbr (code
, ins
->dreg
, ins
->sreg1
);
3574 if (cfg
->method
->save_lmf
)
3575 restoreLMF(code
, cfg
->frame_reg
, cfg
->stack_usage
);
3577 if (cfg
->flags
& MONO_CFG_HAS_TAIL
) {
3578 code
= emit_load_volatile_registers(code
, cfg
);
3581 code
= backUpStackPtr(cfg
, code
);
3582 s390_lg (code
, s390_r14
, 0, STK_BASE
, S390_RET_ADDR_OFFSET
);
3583 mono_add_patch_info (cfg
, code
- cfg
->native_code
,
3584 MONO_PATCH_INFO_METHOD_JUMP
,
3586 s390_jcl (code
, S390_CC_UN
, 0);
3589 case OP_CHECK_THIS
: {
3590 /* ensure ins->sreg1 is not NULL */
3591 s390_lg (code
, s390_r0
, 0, ins
->sreg1
, 0);
3592 s390_ltgr (code
, s390_r0
, s390_r0
);
3596 int offset
= cfg
->sig_cookie
+ cfg
->stack_usage
;
3598 if (s390_is_imm16 (offset
))
3599 s390_lghi (code
, s390_r0
, offset
);
3601 s390_basr (code
, s390_r13
, 0);
3603 s390_llong(code
, offset
);
3604 s390_lg (code
, s390_r0
, 0, s390_r13
, 0);
3606 s390_agr (code
, s390_r0
, cfg
->frame_reg
);
3607 s390_stg (code
, s390_r0
, 0, ins
->sreg1
, 0);
3611 s390_basr (code
, s390_r13
, 0);
3613 call
= (MonoCallInst
*)ins
;
3614 if (ins
->flags
& MONO_INST_HAS_METHOD
)
3615 mono_add_patch_info (cfg
, code
-cfg
->native_code
,
3616 MONO_PATCH_INFO_METHOD
,
3619 mono_add_patch_info (cfg
, code
-cfg
->native_code
,
3620 MONO_PATCH_INFO_ABS
,
3622 s390_llong(code
, 0);
3623 s390_lg (code
, s390_r14
, 0, s390_r13
, 4);
3624 s390_basr (code
, s390_r14
, s390_r14
);
3625 if (call
->signature
->ret
->type
== MONO_TYPE_R4
)
3626 s390_ldebr (code
, s390_f0
, s390_f0
);
3633 s390_basr (code
, s390_r13
, 0);
3635 call
= (MonoCallInst
*)ins
;
3636 if (ins
->flags
& MONO_INST_HAS_METHOD
)
3637 mono_add_patch_info (cfg
, code
-cfg
->native_code
,
3638 MONO_PATCH_INFO_METHOD
,
3641 mono_add_patch_info (cfg
, code
-cfg
->native_code
,
3642 MONO_PATCH_INFO_ABS
,
3644 s390_llong(code
, 0);
3645 s390_lg (code
, s390_r14
, 0, s390_r13
, 4);
3646 s390_basr (code
, s390_r14
, s390_r14
);
3649 case OP_FCALL_REG
: {
3650 call
= (MonoCallInst
*)ins
;
3651 s390_lgr (code
, s390_r1
, ins
->sreg1
);
3652 s390_basr (code
, s390_r14
, s390_r1
);
3653 if (call
->signature
->ret
->type
== MONO_TYPE_R4
)
3654 s390_ldebr (code
, s390_f0
, s390_f0
);
3659 case OP_VOIDCALL_REG
:
3661 s390_lgr (code
, s390_r1
, ins
->sreg1
);
3662 s390_basr (code
, s390_r14
, s390_r1
);
3665 case OP_FCALL_MEMBASE
: {
3666 call
= (MonoCallInst
*)ins
;
3667 s390_lg (code
, s390_r1
, 0, ins
->sreg1
, ins
->inst_offset
);
3668 s390_basr (code
, s390_r14
, s390_r1
);
3669 if (call
->signature
->ret
->type
== MONO_TYPE_R4
)
3670 s390_ldebr (code
, s390_f0
, s390_f0
);
3673 case OP_LCALL_MEMBASE
:
3674 case OP_VCALL_MEMBASE
:
3675 case OP_VOIDCALL_MEMBASE
:
3676 case OP_CALL_MEMBASE
: {
3677 s390_lg (code
, s390_r1
, 0, ins
->sreg1
, ins
->inst_offset
);
3678 s390_basr (code
, s390_r14
, s390_r1
);
3682 g_assert_not_reached ();
3685 int alloca_skip
= S390_MINIMAL_STACK_SIZE
+ cfg
->param_area
;
3686 int area_offset
= S390_ALIGN(alloca_skip
, S390_STACK_ALIGNMENT
);
3687 s390_lgr (code
, s390_r1
, ins
->sreg1
);
3688 if (ins
->flags
& MONO_INST_INIT
)
3689 s390_lgr (code
, s390_r0
, ins
->sreg1
);
3690 s390_aghi (code
, s390_r1
, 14);
3691 s390_srlg (code
, s390_r1
, s390_r1
, 0, 3);
3692 s390_sllg (code
, s390_r1
, s390_r1
, 0, 3);
3693 if (cfg
->method
->save_lmf
) {
3694 /*----------------------------------*/
3695 /* we have to adjust lmf ebp value */
3696 /*----------------------------------*/
3697 int lmfOffset
= cfg
->stack_usage
- sizeof(MonoLMF
);
3699 s390_lgr (code
, s390_r13
, cfg
->frame_reg
);
3700 if (s390_is_uimm16(lmfOffset
))
3701 s390_aghi (code
, s390_r13
, lmfOffset
);
3703 s390_basr (code
, s390_r14
, 0);
3705 s390_word (code
, lmfOffset
);
3706 s390_agf (code
, s390_r13
, 0, s390_r14
, 4);
3708 s390_lgr (code
, s390_r14
, STK_BASE
);
3709 s390_sgr (code
, s390_r14
, s390_r1
);
3710 s390_stg (code
, s390_r14
, 0, s390_r13
,
3711 G_STRUCT_OFFSET(MonoLMF
, ebp
));
3713 s390_lg (code
, s390_r13
, 0, STK_BASE
, 0);
3714 s390_sgr (code
, STK_BASE
, s390_r1
);
3715 s390_stg (code
, s390_r13
, 0, STK_BASE
, 0);
3716 s390_la (code
, ins
->dreg
, 0, STK_BASE
, area_offset
);
3717 s390_srlg (code
, ins
->dreg
, ins
->dreg
, 0, 3);
3718 s390_sllg (code
, ins
->dreg
, ins
->dreg
, 0, 3);
3719 if (ins
->flags
& MONO_INST_INIT
) {
3720 s390_lgr (code
, s390_r1
, s390_r0
);
3721 s390_lgr (code
, s390_r0
, ins
->dreg
);
3722 s390_lgr (code
, s390_r14
, s390_r12
);
3723 s390_lghi (code
, s390_r13
, 0);
3724 s390_mvcle(code
, s390_r0
, s390_r12
, 0, 0);
3726 s390_lgr (code
, s390_r12
, s390_r14
);
3731 s390_br (code
, s390_r14
);
3735 s390_lgr (code
, s390_r2
, ins
->sreg1
);
3736 s390_basr (code
, s390_r13
, 0);
3738 mono_add_patch_info (cfg
, code
-cfg
->native_code
, MONO_PATCH_INFO_INTERNAL_METHOD
,
3739 (gpointer
) "mono_arch_throw_exception");
3740 s390_llong(code
, 0);
3741 s390_lg (code
, s390_r14
, 0, s390_r13
, 4);
3742 s390_basr (code
, s390_r14
, s390_r14
);
3746 s390_lgr (code
, s390_r2
, ins
->sreg1
);
3747 s390_basr (code
, s390_r13
, 0);
3749 mono_add_patch_info (cfg
, code
-cfg
->native_code
, MONO_PATCH_INFO_INTERNAL_METHOD
,
3750 (gpointer
) "mono_arch_rethrow_exception");
3751 s390_llong(code
, 0);
3752 s390_lg (code
, s390_r14
, 0, s390_r13
, 4);
3753 s390_basr (code
, s390_r14
, s390_r14
);
3756 case OP_START_HANDLER
: {
3757 S390_LONG (code
, stg
, stg
, s390_r14
, 0,
3758 ins
->inst_left
->inst_basereg
,
3759 ins
->inst_left
->inst_offset
);
3762 case OP_ENDFILTER
: {
3763 if (ins
->sreg1
!= s390_r2
)
3764 s390_lgr(code
, s390_r2
, ins
->sreg1
);
3765 S390_LONG (code
, lg
, lg
, s390_r14
, 0,
3766 ins
->inst_left
->inst_basereg
,
3767 ins
->inst_left
->inst_offset
);
3768 s390_br (code
, s390_r14
);
3771 case CEE_ENDFINALLY
: {
3772 S390_LONG (code
, lg
, lg
, s390_r14
, 0,
3773 ins
->inst_left
->inst_basereg
,
3774 ins
->inst_left
->inst_offset
);
3775 s390_br (code
, s390_r14
);
3778 case OP_CALL_HANDLER
: {
3779 mono_add_patch_info (cfg
, code
-cfg
->native_code
,
3780 MONO_PATCH_INFO_BB
, ins
->inst_target_bb
);
3781 s390_brasl (code
, s390_r14
, 0);
3785 ins
->inst_c0
= code
- cfg
->native_code
;
3789 EMIT_UNCOND_BRANCH(ins
);
3792 s390_br (code
, ins
->sreg1
);
3797 s390_lghi(code
, ins
->dreg
, 1);
3799 s390_lghi(code
, ins
->dreg
, 0);
3804 s390_lghi(code
, ins
->dreg
, 1);
3806 s390_lghi(code
, ins
->dreg
, 0);
3811 s390_lghi(code
, ins
->dreg
, 1);
3813 s390_lghi(code
, ins
->dreg
, 0);
3818 s390_lghi(code
, ins
->dreg
, 1);
3820 s390_lghi(code
, ins
->dreg
, 0);
3825 s390_lghi(code
, ins
->dreg
, 1);
3827 s390_lghi(code
, ins
->dreg
, 0);
3830 case OP_COND_EXC_EQ
:
3831 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ
, ins
->inst_p1
);
3833 case OP_COND_EXC_NE_UN
:
3834 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE
, ins
->inst_p1
);
3836 case OP_COND_EXC_LT
:
3837 case OP_COND_EXC_LT_UN
:
3838 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT
, ins
->inst_p1
);
3840 case OP_COND_EXC_GT
:
3841 case OP_COND_EXC_GT_UN
:
3842 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT
, ins
->inst_p1
);
3844 case OP_COND_EXC_GE
:
3845 case OP_COND_EXC_GE_UN
:
3846 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE
, ins
->inst_p1
);
3848 case OP_COND_EXC_LE
:
3849 case OP_COND_EXC_LE_UN
:
3850 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE
, ins
->inst_p1
);
3852 case OP_COND_EXC_OV
:
3853 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV
, ins
->inst_p1
);
3855 case OP_COND_EXC_NO
:
3856 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO
, ins
->inst_p1
);
3859 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY
, ins
->inst_p1
);
3861 case OP_COND_EXC_NC
:
3862 EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC
, ins
->inst_p1
);
3866 EMIT_COND_BRANCH (ins
, S390_CC_EQ
);
3870 EMIT_COND_BRANCH (ins
, S390_CC_NE
);
3876 EMIT_COND_BRANCH (ins
, S390_CC_LT
);
3882 EMIT_COND_BRANCH (ins
, S390_CC_GT
);
3888 EMIT_COND_BRANCH (ins
, S390_CC_GE
);
3894 EMIT_COND_BRANCH (ins
, S390_CC_LE
);
3897 /* floating point opcodes */
3899 if (*((float *) ins
->inst_p0
) == 0) {
3900 s390_lzdr (code
, ins
->dreg
);
3902 s390_basr (code
, s390_r13
, 0);
3904 s390_llong (code
, ins
->inst_p0
);
3905 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
3906 s390_ld (code
, ins
->dreg
, 0, s390_r13
, 0);
3911 if (*((float *) ins
->inst_p0
) == 0) {
3912 s390_lzdr (code
, ins
->dreg
);
3914 s390_basr (code
, s390_r13
, 0);
3916 s390_llong(code
, ins
->inst_p0
);
3917 s390_lg (code
, s390_r13
, 0, s390_r13
, 4);
3918 s390_ldeb (code
, ins
->dreg
, 0, s390_r13
, 0);
3922 case OP_STORER8_MEMBASE_REG
: {
3923 S390_LONG (code
, stdy
, std
, ins
->sreg1
, 0,
3924 ins
->inst_destbasereg
, ins
->inst_offset
);
3927 case OP_LOADR8_MEMBASE
: {
3928 S390_LONG (code
, ldy
, ld
, ins
->dreg
, 0,
3929 ins
->inst_basereg
, ins
->inst_offset
);
3932 case OP_STORER4_MEMBASE_REG
: {
3933 s390_ledbr (code
, s390_f15
, ins
->sreg1
);
3934 S390_LONG (code
, stey
, ste
, s390_f15
, 0,
3935 ins
->inst_destbasereg
, ins
->inst_offset
);
3938 case OP_LOADR4_MEMBASE
: {
3939 S390_LONG (code
, ldy
, ld
, s390_f15
, 0,
3940 ins
->inst_basereg
, ins
->inst_offset
);
3941 s390_ldebr (code
, ins
->dreg
, s390_f15
);
3944 case CEE_CONV_R_UN
: {
3945 s390_cdgbr (code
, ins
->dreg
, ins
->sreg1
);
3946 s390_ltgr (code
, ins
->sreg1
, ins
->sreg1
);
3947 s390_jnl (code
, 12);
3948 s390_basr (code
, s390_r13
, 0);
3950 s390_word (code
, 0x41f00000);
3951 s390_word (code
, 0);
3952 s390_adb (code
, ins
->dreg
, 0, s390_r13
, 4);
3955 case OP_LCONV_TO_R4
:
3957 s390_cdgbr (code
, ins
->dreg
, ins
->sreg1
);
3960 case OP_LCONV_TO_R8
:
3962 s390_cdgbr (code
, ins
->dreg
, ins
->sreg1
);
3965 case OP_FCONV_TO_I1
:
3966 code
= emit_float_to_int (cfg
, code
, ins
->dreg
, ins
->sreg1
, 1, TRUE
);
3968 case OP_FCONV_TO_U1
:
3969 code
= emit_float_to_int (cfg
, code
, ins
->dreg
, ins
->sreg1
, 1, FALSE
);
3971 case OP_FCONV_TO_I2
:
3972 code
= emit_float_to_int (cfg
, code
, ins
->dreg
, ins
->sreg1
, 2, TRUE
);
3974 case OP_FCONV_TO_U2
:
3975 code
= emit_float_to_int (cfg
, code
, ins
->dreg
, ins
->sreg1
, 2, FALSE
);
3977 case OP_FCONV_TO_I4
:
3979 code
= emit_float_to_int (cfg
, code
, ins
->dreg
, ins
->sreg1
, 4, TRUE
);
3981 case OP_FCONV_TO_U4
:
3983 code
= emit_float_to_int (cfg
, code
, ins
->dreg
, ins
->sreg1
, 4, FALSE
);
3985 case OP_FCONV_TO_I8
:
3986 s390_cgdbr (code
, ins
->dreg
, 5, ins
->sreg1
);
3988 case OP_FCONV_TO_U8
:
3989 g_assert_not_reached ();
3990 /* Implemented as helper calls */
3992 case OP_LCONV_TO_R_UN
:
3993 g_assert_not_reached ();
3994 /* Implemented as helper calls */
3996 case OP_LCONV_TO_OVF_I
: {
3997 /* Valid ints: 0xffffffff:8000000 to 00000000:0x7f000000 */
3999 s390_ltgr (code
, ins
->sreg2
, ins
->sreg2
);
4000 s390_jnl (code
, 0); CODEPTR(code
, o
[0]);
4001 s390_ltgr (code
, ins
->sreg1
, ins
->sreg1
);
4002 s390_jnl (code
, 0); CODEPTR(code
, o
[1]);
4003 s390_lhi (code
, s390_r13
, -1);
4004 s390_cgr (code
, ins
->sreg1
, s390_r13
);
4005 s390_jnz (code
, 0); CODEPTR(code
, o
[2]);
4006 if (ins
->dreg
!= ins
->sreg2
)
4007 s390_lgr (code
, ins
->dreg
, ins
->sreg2
);
4008 s390_j (code
, 0); CODEPTR(code
, o
[3]);
4009 PTRSLOT(code
, o
[0]);
4010 s390_jz (code
, 0); CODEPTR(code
, o
[4]);
4011 PTRSLOT(code
, o
[1]);
4012 PTRSLOT(code
, o
[2]);
4013 mono_add_patch_info (cfg
, code
- cfg
->native_code
,
4014 MONO_PATCH_INFO_EXC
, "OverflowException");
4015 s390_brasl (code
, s390_r14
, 0);
4016 PTRSLOT(code
, o
[3]);
4017 PTRSLOT(code
, o
[4]);
4021 s390_lpdbr (code
, ins
->dreg
, ins
->sreg1
);
4025 s390_sqdbr (code
, ins
->dreg
, ins
->sreg1
);
4030 s390_adbr (code
, ins
->dreg
, src2
);
4034 CHECK_SRCDST_NCOM_F
;
4035 s390_sdbr (code
, ins
->dreg
, src2
);
4040 s390_mdbr (code
, ins
->dreg
, src2
);
4044 CHECK_SRCDST_NCOM_F
;
4045 s390_ddbr (code
, ins
->dreg
, src2
);
4049 s390_lcdbr (code
, ins
->dreg
, ins
->sreg1
);
4053 CHECK_SRCDST_NCOM_F
;
4054 s390_didbr (code
, ins
->dreg
, src2
, 5, s390_f15
);
4058 s390_cdbr (code
, ins
->sreg1
, ins
->sreg2
);
4062 s390_cdbr (code
, ins
->sreg1
, ins
->sreg2
);
4063 s390_lghi (code
, ins
->dreg
, 1);
4065 s390_lghi (code
, ins
->dreg
, 0);
4069 s390_cdbr (code
, ins
->sreg1
, ins
->sreg2
);
4070 s390_lghi (code
, ins
->dreg
, 1);
4072 s390_lghi (code
, ins
->dreg
, 0);
4076 s390_cdbr (code
, ins
->sreg1
, ins
->sreg2
);
4077 s390_lghi (code
, ins
->dreg
, 1);
4079 s390_lghi (code
, ins
->dreg
, 0);
4083 s390_cdbr (code
, ins
->sreg1
, ins
->sreg2
);
4084 s390_lghi (code
, ins
->dreg
, 1);
4086 s390_lghi (code
, ins
->dreg
, 0);
4090 s390_cdbr (code
, ins
->sreg1
, ins
->sreg2
);
4091 s390_lghi (code
, ins
->dreg
, 1);
4093 s390_lghi (code
, ins
->dreg
, 0);
4097 EMIT_COND_BRANCH (ins
, S390_CC_EQ
|S390_CC_OV
);
4100 EMIT_COND_BRANCH (ins
, S390_CC_NE
|S390_CC_OV
);
4103 EMIT_COND_BRANCH (ins
, S390_CC_LT
);
4106 EMIT_COND_BRANCH (ins
, S390_CC_LT
|S390_CC_OV
);
4109 EMIT_COND_BRANCH (ins
, S390_CC_GT
);
4112 EMIT_COND_BRANCH (ins
, S390_CC_GT
|S390_CC_OV
);
4115 EMIT_COND_BRANCH (ins
, S390_CC_GE
);
4118 EMIT_COND_BRANCH (ins
, S390_CC_GE
|S390_CC_OV
);
4121 EMIT_COND_BRANCH (ins
, S390_CC_LE
);
4124 EMIT_COND_BRANCH (ins
, S390_CC_LE
|S390_CC_OV
);
4126 case CEE_CKFINITE
: {
4128 s390_lhi (code
, s390_r13
, 0x7f);
4129 s390_tcdb (code
, ins
->sreg1
, 0, s390_r13
, 0);
4130 s390_jz (code
, 0); CODEPTR(code
, o
);
4131 mono_add_patch_info (cfg
, code
- cfg
->native_code
,
4132 MONO_PATCH_INFO_EXC
, "ArithmeticException");
4133 s390_brasl (code
, s390_r14
,0);
4137 case OP_S390_MOVE
: {
4138 if (ins
->backend
.size
> 0) {
4139 if (ins
->backend
.size
<= 256) {
4140 s390_mvc (code
, ins
->backend
.size
, ins
->dreg
,
4141 ins
->inst_offset
, ins
->sreg1
, ins
->inst_imm
);
4143 s390_lgr (code
, s390_r0
, ins
->dreg
);
4144 if (s390_is_imm16 (ins
->inst_offset
)) {
4145 s390_aghi (code
, s390_r0
, ins
->inst_offset
);
4147 s390_basr (code
, s390_r13
, 0);
4149 s390_llong(code
, ins
->inst_offset
);
4150 s390_a (code
, s390_r0
, 0, s390_r13
, 4);
4152 s390_lgr (code
, s390_r12
, ins
->sreg1
);
4153 if (s390_is_imm16 (ins
->inst_imm
)) {
4154 s390_aghi (code
, s390_r12
, ins
->inst_imm
);
4156 s390_basr (code
, s390_r13
, 0);
4158 s390_llong(code
, ins
->inst_imm
);
4159 s390_ag (code
, s390_r12
, 0, s390_r13
, 4);
4161 s390_lgr (code
, s390_r1
, ins
->sreg1
);
4162 s390_lgr (code
, s390_r13
, s390_r1
);
4163 s390_mvcle(code
, s390_r0
, s390_r12
, 0, 0);
4169 case OP_ATOMIC_ADD_I8
: {
4170 s390_lgr (code
, s390_r1
, ins
->sreg2
);
4171 s390_lg (code
, s390_r0
, 0, ins
->inst_basereg
, ins
->inst_offset
);
4172 s390_agr (code
, s390_r1
, s390_r0
);
4173 s390_csg (code
, s390_r0
, s390_r1
, ins
->inst_basereg
, ins
->inst_offset
);
4174 s390_jnz (code
, -10);
4175 s390_lgr (code
, ins
->dreg
, s390_r1
);
4178 case OP_ATOMIC_ADD_NEW_I8
: {
4179 s390_lgr (code
, s390_r1
, ins
->sreg2
);
4180 s390_lg (code
, s390_r0
, 0, ins
->inst_basereg
, ins
->inst_offset
);
4181 s390_agr (code
, s390_r1
, s390_r0
);
4182 s390_csg (code
, s390_r0
, s390_r1
, ins
->inst_basereg
, ins
->inst_offset
);
4183 s390_jnz (code
, -10);
4184 s390_lgr (code
, ins
->dreg
, s390_r1
);
4187 case OP_ATOMIC_EXCHANGE_I8
: {
4188 s390_lg (code
, s390_r0
, 0, ins
->inst_basereg
, ins
->inst_offset
);
4189 s390_csg (code
, s390_r0
, ins
->sreg2
, ins
->inst_basereg
, ins
->inst_offset
);
4190 s390_jnz (code
, -6);
4191 s390_lgr (code
, ins
->dreg
, s390_r0
);
4194 case OP_ATOMIC_ADD_I4
: {
4195 s390_lgfr(code
, s390_r1
, ins
->sreg2
);
4196 s390_lgf (code
, s390_r0
, 0, ins
->inst_basereg
, ins
->inst_offset
);
4197 s390_agr (code
, s390_r1
, s390_r0
);
4198 s390_cs (code
, s390_r0
, s390_r1
, ins
->inst_basereg
, ins
->inst_offset
);
4199 s390_jnz (code
, -9);
4200 s390_lgfr(code
, ins
->dreg
, s390_r1
);
4203 case OP_ATOMIC_ADD_NEW_I4
: {
4204 s390_lgfr(code
, s390_r1
, ins
->sreg2
);
4205 s390_lgf (code
, s390_r0
, 0, ins
->inst_basereg
, ins
->inst_offset
);
4206 s390_agr (code
, s390_r1
, s390_r0
);
4207 s390_cs (code
, s390_r0
, s390_r1
, ins
->inst_basereg
, ins
->inst_offset
);
4208 s390_jnz (code
, -9);
4209 s390_lgfr(code
, ins
->dreg
, s390_r1
);
4212 case OP_ATOMIC_EXCHANGE_I4
: {
4213 s390_lg (code
, s390_r0
, 0, ins
->inst_basereg
, ins
->inst_offset
);
4214 s390_cs (code
, s390_r0
, ins
->sreg2
, ins
->inst_basereg
, ins
->inst_offset
);
4215 s390_jnz (code
, -4);
4216 s390_lgfr(code
, ins
->dreg
, s390_r0
);
4219 case OP_S390_BKCHAIN
: {
4220 s390_lgr (code
, ins
->dreg
, ins
->sreg1
);
4221 if (s390_is_imm16 (cfg
->stack_offset
)) {
4222 s390_aghi (code
, ins
->dreg
, cfg
->stack_offset
);
4224 s390_basr (code
, s390_r13
, 0);
4226 s390_llong(code
, cfg
->stack_offset
);
4227 s390_ag (code
, ins
->dreg
, 0, s390_r13
, 4);
4231 case OP_MEMORY_BARRIER
: {
4235 g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins
->opcode
), __FUNCTION__
);
4236 g_assert_not_reached ();
4239 if ((cfg
->opt
& MONO_OPT_BRANCH
) && ((code
- cfg
->native_code
- offset
) > max_len
)) {
4240 g_warning ("wrong maximal instruction length of instruction %s (expected %d, got %ld)",
4241 mono_inst_name (ins
->opcode
), max_len
, code
- cfg
->native_code
- offset
);
4242 g_assert_not_reached ();
4248 last_offset
= offset
;
4253 cfg
->code_len
= code
- cfg
->native_code
;
4256 /*========================= End of Function ========================*/
4258 /*------------------------------------------------------------------*/
4260 /* Name - mono_arch_register_lowlevel_calls */
4262 /* Function - Register routines to help with --trace operation. */
4264 /*------------------------------------------------------------------*/
4267 mono_arch_register_lowlevel_calls (void)
4269 mono_register_jit_icall (mono_arch_break
, "mono_arch_break", NULL
, TRUE
);
4270 mono_register_jit_icall (mono_arch_get_lmf_addr
, "mono_arch_get_lmf_addr", NULL
, TRUE
);
4273 /*========================= End of Function ========================*/
4275 /*------------------------------------------------------------------*/
4277 /* Name - mono_arch_break */
4279 /* Function - Process a "break" operation for debugging. */
4281 /*------------------------------------------------------------------*/
4284 mono_arch_break(void) {
4287 /*========================= End of Function ========================*/
4289 /*------------------------------------------------------------------*/
4291 /* Name - mono_arch_patch_code */
4293 /* Function - Process the patch data created during the */
4294 /* instruction build process. This resolves jumps, */
4295 /* calls, variables etc. */
4297 /*------------------------------------------------------------------*/
4300 mono_arch_patch_code (MonoMethod
*method
, MonoDomain
*domain
,
4301 guint8
*code
, MonoJumpInfo
*ji
, gboolean run_cctors
)
4303 MonoJumpInfo
*patch_info
;
4305 for (patch_info
= ji
; patch_info
; patch_info
= patch_info
->next
) {
4306 unsigned char *ip
= patch_info
->ip
.i
+ code
;
4307 gconstpointer target
= NULL
;
4309 target
= mono_resolve_patch_target (method
, domain
, code
,
4310 patch_info
, run_cctors
);
4312 switch (patch_info
->type
) {
4313 case MONO_PATCH_INFO_IP
:
4314 case MONO_PATCH_INFO_EXC_NAME
:
4315 case MONO_PATCH_INFO_LDSTR
:
4316 case MONO_PATCH_INFO_TYPE_FROM_HANDLE
:
4317 case MONO_PATCH_INFO_LDTOKEN
:
4318 case MONO_PATCH_INFO_EXC
:
4319 case MONO_PATCH_INFO_ABS
:
4320 case MONO_PATCH_INFO_METHOD
:
4321 case MONO_PATCH_INFO_INTERNAL_METHOD
:
4322 case MONO_PATCH_INFO_CLASS_INIT
:
4323 s390_patch_addr (ip
, (guint64
) target
);
4325 case MONO_PATCH_INFO_SWITCH
:
4326 /*----------------------------------*/
4327 /* ip points at the basr r13,0/j +4 */
4328 /* instruction the vtable value */
4329 /* follows this (i.e. ip+6) */
4330 /*----------------------------------*/
4331 *((gconstpointer
*)(ip
+6)) = target
;
4333 case MONO_PATCH_INFO_METHODCONST
:
4334 case MONO_PATCH_INFO_CLASS
:
4335 case MONO_PATCH_INFO_IMAGE
:
4336 case MONO_PATCH_INFO_FIELD
:
4337 case MONO_PATCH_INFO_IID
:
4338 target
= S390_RELATIVE(target
, ip
);
4339 s390_patch_rel (ip
, (guint64
) target
);
4341 case MONO_PATCH_INFO_R4
:
4342 case MONO_PATCH_INFO_R8
:
4343 case MONO_PATCH_INFO_METHOD_REL
:
4344 g_assert_not_reached ();
4347 target
= S390_RELATIVE(target
, ip
);
4349 s390_patch_rel (ip
, (guint64
) target
);
4354 /*========================= End of Function ========================*/
4356 /*------------------------------------------------------------------*/
4358 /* Name - emit_load_volatile_registers */
4360 /* Function - Emit the instructions to reload parameter regist- */
4361 /* registers for use with "tail" operations. */
4363 /* The register loading operations performed here */
4364 /* are the mirror of the store operations performed */
4365 /* in mono_arch_emit_prolog and need to be kept in */
4366 /* synchronization with it. */
4368 /*------------------------------------------------------------------*/
4371 emit_load_volatile_registers (guint8
*code
, MonoCompile
*cfg
)
4374 MonoMethod
*method
= cfg
->method
;
4375 MonoMethodSignature
*sig
= mono_method_signature(method
);
4380 cinfo
= calculate_sizes (sig
, &sz
, sig
->pinvoke
);
4382 if (cinfo
->struct_ret
) {
4383 ArgInfo
*ainfo
= &cinfo
->ret
;
4385 s390_lg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4388 for (i
= 0; i
< sig
->param_count
+ sig
->hasthis
; ++i
) {
4389 ArgInfo
*ainfo
= cinfo
->args
+ i
;
4390 inst
= cfg
->varinfo
[pos
];
4392 if (inst
->opcode
== OP_REGVAR
) {
4393 if (ainfo
->regtype
== RegTypeGeneral
)
4394 s390_lgr (code
, ainfo
->reg
, inst
->dreg
);
4395 else if (ainfo
->regtype
== RegTypeFP
) {
4396 if (inst
->dreg
!= ainfo
->reg
) {
4397 if (ainfo
->size
== 4) {
4398 s390_ldebr (code
, ainfo
->reg
, inst
->dreg
);
4400 s390_ldr (code
, ainfo
->reg
, inst
->dreg
);
4404 else if (ainfo
->regtype
== RegTypeBase
) {
4406 g_assert_not_reached ();
4408 if (ainfo
->regtype
== RegTypeGeneral
) {
4409 if (!((ainfo
->reg
>= 2) && (ainfo
->reg
<= 6)))
4410 g_assert_not_reached();
4411 switch (ainfo
->size
) {
4413 s390_icy (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4416 s390_lgh (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4419 s390_lgf (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4422 s390_lg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4425 } else if (ainfo
->regtype
== RegTypeBase
) {
4426 } else if (ainfo
->regtype
== RegTypeFP
) {
4427 if (ainfo
->size
== 8)
4428 s390_ld (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4429 else if (ainfo
->size
== 4)
4430 s390_le (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4432 g_assert_not_reached ();
4433 } else if (ainfo
->regtype
== RegTypeStructByVal
) {
4434 if (ainfo
->reg
!= STK_BASE
) {
4435 switch (ainfo
->size
) {
4437 s390_icy (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4440 s390_lgh (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4443 s390_lgf (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4446 s390_lg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4450 } else if (ainfo
->regtype
== RegTypeStructByAddr
) {
4451 if (ainfo
->reg
!= STK_BASE
) {
4452 s390_lg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4455 g_assert_not_reached ();
4465 /*========================= End of Function ========================*/
4467 /*------------------------------------------------------------------*/
4469 /* Name - mono_arch_emit_prolog */
4471 /* Function - Create the instruction sequence for a function */
4474 /*------------------------------------------------------------------*/
4477 mono_arch_emit_prolog (MonoCompile
*cfg
)
4479 MonoMethod
*method
= cfg
->method
;
4481 MonoMethodSignature
*sig
;
4483 int alloc_size
, pos
, max_offset
, i
;
4490 cfg
->code_size
= 512;
4492 if (mono_jit_trace_calls
!= NULL
&& mono_trace_eval (method
)) {
4494 cfg
->code_size
+= 256;
4497 if (method
->save_lmf
)
4498 cfg
->code_size
+= 200;
4500 cfg
->native_code
= code
= g_malloc (cfg
->code_size
);
4502 s390_stmg (code
, s390_r6
, s390_r14
, STK_BASE
, S390_REG_SAVE_OFFSET
);
4504 if (cfg
->flags
& MONO_CFG_HAS_ALLOCA
) {
4505 cfg
->used_int_regs
|= 1 << 11;
4508 alloc_size
= cfg
->stack_offset
;
4510 cfg
->stack_usage
= alloc_size
;
4511 s390_lgr (code
, s390_r11
, STK_BASE
);
4512 if (s390_is_uimm16 (alloc_size
)) {
4513 s390_aghi (code
, STK_BASE
, -alloc_size
);
4515 int stackSize
= alloc_size
;
4516 while (stackSize
> 32767) {
4517 s390_aghi (code
, STK_BASE
, -32767);
4520 s390_aghi (code
, STK_BASE
, -stackSize
);
4522 s390_stg (code
, s390_r11
, 0, STK_BASE
, 0);
4524 if (cfg
->frame_reg
!= STK_BASE
)
4525 s390_lgr (code
, s390_r11
, STK_BASE
);
4527 /* compute max_offset in order to use short forward jumps
4528 * we always do it on s390 because the immediate displacement
4529 * for jumps is too small
4532 for (bb
= cfg
->bb_entry
; bb
; bb
= bb
->next_bb
) {
4533 MonoInst
*ins
= bb
->code
;
4534 bb
->max_offset
= max_offset
;
4536 if (cfg
->prof_options
& MONO_PROFILE_COVERAGE
)
4540 max_offset
+= ((guint8
*)ins_spec
[ins
->opcode
])[MONO_INST_LEN
];
4545 /* load arguments allocated to register from the stack */
4546 sig
= mono_method_signature (method
);
4549 cinfo
= calculate_sizes (sig
, &sz
, sig
->pinvoke
);
4551 if (cinfo
->struct_ret
) {
4552 ArgInfo
*ainfo
= &cinfo
->ret
;
4554 inst
->backend
.size
= ainfo
->vtsize
;
4555 s390_stg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4558 for (i
= 0; i
< sig
->param_count
+ sig
->hasthis
; ++i
) {
4559 ArgInfo
*ainfo
= cinfo
->args
+ i
;
4560 inst
= cfg
->varinfo
[pos
];
4562 if (inst
->opcode
== OP_REGVAR
) {
4563 if (ainfo
->regtype
== RegTypeGeneral
)
4564 s390_lgr (code
, inst
->dreg
, ainfo
->reg
);
4565 else if (ainfo
->regtype
== RegTypeFP
) {
4566 if (inst
->dreg
!= ainfo
->reg
) {
4567 if (ainfo
->size
== 4) {
4568 s390_ledbr (code
, inst
->dreg
, ainfo
->reg
);
4570 s390_ldr (code
, inst
->dreg
, ainfo
->reg
);
4574 else if (ainfo
->regtype
== RegTypeBase
) {
4575 s390_lgr (code
, s390_r13
, STK_BASE
);
4576 s390_aghi (code
, s390_r13
, alloc_size
);
4577 s390_lg (code
, inst
->dreg
, 0, s390_r13
, ainfo
->offset
);
4579 g_assert_not_reached ();
4581 if (cfg
->verbose_level
> 2)
4582 g_print ("Argument %d assigned to register %s\n",
4583 pos
, mono_arch_regname (inst
->dreg
));
4585 if (ainfo
->regtype
== RegTypeGeneral
) {
4586 if (!((ainfo
->reg
>= 2) && (ainfo
->reg
<= 6)))
4587 g_assert_not_reached();
4588 switch (ainfo
->size
) {
4590 s390_stc (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4593 s390_sth (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4596 s390_st (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4599 s390_stg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4602 } else if (ainfo
->regtype
== RegTypeBase
) {
4603 } else if (ainfo
->regtype
== RegTypeFP
) {
4604 if (ainfo
->size
== 8)
4605 s390_std (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4606 else if (ainfo
->size
== 4)
4607 s390_ste (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4609 g_assert_not_reached ();
4610 } else if (ainfo
->regtype
== RegTypeStructByVal
) {
4611 int doffset
= inst
->inst_offset
;
4613 if (ainfo
->reg
!= STK_BASE
)
4617 s390_lgr (code
, s390_r13
, STK_BASE
);
4618 s390_aghi (code
, s390_r13
, alloc_size
);
4620 switch (ainfo
->size
) {
4622 if (ainfo
->reg
== STK_BASE
)
4623 s390_ic (code
, reg
, 0, s390_r13
, ainfo
->offset
+7);
4624 s390_stc (code
, reg
, 0, inst
->inst_basereg
, doffset
);
4627 if (ainfo
->reg
== STK_BASE
)
4628 s390_lh (code
, reg
, 0, s390_r13
, ainfo
->offset
+6);
4629 s390_sth (code
, reg
, 0, inst
->inst_basereg
, doffset
);
4632 if (ainfo
->reg
== STK_BASE
)
4633 s390_l (code
, reg
, 0, s390_r13
, ainfo
->offset
+4);
4634 s390_st (code
, reg
, 0, inst
->inst_basereg
, doffset
);
4637 if (ainfo
->reg
== STK_BASE
)
4638 s390_lg (code
, reg
, 0, s390_r13
, ainfo
->offset
);
4639 s390_stg (code
, reg
, 0, inst
->inst_basereg
, doffset
);
4642 } else if (ainfo
->regtype
== RegTypeStructByAddr
) {
4643 s390_stg (code
, ainfo
->reg
, 0, inst
->inst_basereg
, inst
->inst_offset
);
4645 g_assert_not_reached ();
4650 if (method
->save_lmf
) {
4651 /*---------------------------------------------------------------*/
4652 /* we build the MonoLMF structure on the stack - see mini-s390.h */
4653 /*---------------------------------------------------------------*/
4654 lmfOffset
= alloc_size
- sizeof(MonoLMF
);
4656 s390_lgr (code
, s390_r13
, cfg
->frame_reg
);
4657 s390_aghi (code
, s390_r13
, lmfOffset
);
4659 /*---------------------------------------------------------------*/
4660 /* Preserve the parameter registers while we fix up the lmf */
4661 /*---------------------------------------------------------------*/
4662 s390_stmg (code
, s390_r2
, s390_r6
, s390_r13
,
4663 G_STRUCT_OFFSET(MonoLMF
, pregs
[0]));
4665 /*---------------------------------------------------------------*/
4666 /* On return from this call r2 have the address of the &lmf */
4667 /*---------------------------------------------------------------*/
4668 s390_basr(code
, s390_r10
, 0);
4670 mono_add_patch_info (cfg
, code
- cfg
->native_code
,
4671 MONO_PATCH_INFO_INTERNAL_METHOD
,
4672 (gpointer
)"mono_get_lmf_addr");
4673 s390_llong(code
, 0);
4674 s390_lg (code
, s390_r1
, 0, s390_r10
, 4);
4675 s390_basr (code
, s390_r14
, s390_r1
);
4677 /*---------------------------------------------------------------*/
4678 /* Set lmf.lmf_addr = jit_tls->lmf */
4679 /*---------------------------------------------------------------*/
4680 s390_stg (code
, s390_r2
, 0, s390_r13
,
4681 G_STRUCT_OFFSET(MonoLMF
, lmf_addr
));
4683 /*---------------------------------------------------------------*/
4684 /* Get current lmf */
4685 /*---------------------------------------------------------------*/
4686 s390_lg (code
, s390_r0
, 0, s390_r2
, 0);
4688 /*---------------------------------------------------------------*/
4689 /* Set our lmf as the current lmf */
4690 /*---------------------------------------------------------------*/
4691 s390_stg (code
, s390_r13
, 0, s390_r2
, 0);
4693 /*---------------------------------------------------------------*/
4694 /* Have our lmf.previous_lmf point to the last lmf */
4695 /*---------------------------------------------------------------*/
4696 s390_stg (code
, s390_r0
, 0, s390_r13
,
4697 G_STRUCT_OFFSET(MonoLMF
, previous_lmf
));
4699 /*---------------------------------------------------------------*/
4700 /* save method info */
4701 /*---------------------------------------------------------------*/
4702 s390_basr (code
, s390_r1
, 0);
4704 s390_llong (code
, method
);
4705 s390_lg (code
, s390_r1
, 0, s390_r1
, 4);
4706 s390_stg (code
, s390_r1
, 0, s390_r13
,
4707 G_STRUCT_OFFSET(MonoLMF
, method
));
4709 /*---------------------------------------------------------------*/
4710 /* save the current IP */
4711 /*---------------------------------------------------------------*/
4712 s390_stg (code
, STK_BASE
, 0, s390_r13
, G_STRUCT_OFFSET(MonoLMF
, ebp
));
4713 s390_basr (code
, s390_r1
, 0);
4714 s390_stg (code
, s390_r1
, 0, s390_r13
, G_STRUCT_OFFSET(MonoLMF
, eip
));
4716 /*---------------------------------------------------------------*/
4717 /* Save general and floating point registers */
4718 /*---------------------------------------------------------------*/
4719 s390_stmg (code
, s390_r2
, s390_r12
, s390_r13
,
4720 G_STRUCT_OFFSET(MonoLMF
, gregs
[2]));
4721 for (i
= 0; i
< 16; i
++) {
4722 s390_std (code
, i
, 0, s390_r13
,
4723 G_STRUCT_OFFSET(MonoLMF
, fregs
[i
]));
4726 /*---------------------------------------------------------------*/
4727 /* Restore the parameter registers now that we've set up the lmf */
4728 /*---------------------------------------------------------------*/
4729 s390_lmg (code
, s390_r2
, s390_r6
, s390_r13
,
4730 G_STRUCT_OFFSET(MonoLMF
, pregs
[0]));
4734 code
= mono_arch_instrument_prolog(cfg
, enter_method
, code
, TRUE
);
4736 cfg
->code_len
= code
- cfg
->native_code
;
4737 g_assert (cfg
->code_len
< cfg
->code_size
);
4744 /*========================= End of Function ========================*/
4746 /*------------------------------------------------------------------*/
4748 /* Name - mono_arch_emit_epilog */
4750 /* Function - Emit the instructions for a function epilog. */
4752 /*------------------------------------------------------------------*/
4755 mono_arch_emit_epilog (MonoCompile
*cfg
)
4757 MonoMethod
*method
= cfg
->method
;
4760 int max_epilog_size
= 96;
4762 if (cfg
->method
->save_lmf
)
4763 max_epilog_size
+= 128;
4765 if (mono_jit_trace_calls
!= NULL
)
4766 max_epilog_size
+= 128;
4768 if (cfg
->prof_options
& MONO_PROFILE_ENTER_LEAVE
)
4769 max_epilog_size
+= 128;
4771 while ((cfg
->code_len
+ max_epilog_size
) > (cfg
->code_size
- 16)) {
4772 cfg
->code_size
*= 2;
4773 cfg
->native_code
= g_realloc (cfg
->native_code
, cfg
->code_size
);
4774 mono_jit_stats
.code_reallocs
++;
4777 code
= cfg
->native_code
+ cfg
->code_len
;
4779 if (mono_jit_trace_calls
!= NULL
&& mono_trace_eval (method
)) {
4780 code
= mono_arch_instrument_epilog (cfg
, leave_method
, code
, TRUE
);
4784 if (method
->save_lmf
)
4785 restoreLMF(code
, cfg
->frame_reg
, cfg
->stack_usage
);
4787 if (cfg
->flags
& MONO_CFG_HAS_ALLOCA
)
4788 s390_lg (code
, STK_BASE
, 0, STK_BASE
, 0);
4790 code
= backUpStackPtr(cfg
, code
);
4792 s390_lmg (code
, s390_r6
, s390_r14
, STK_BASE
, S390_REG_SAVE_OFFSET
);
4793 s390_br (code
, s390_r14
);
4795 cfg
->code_len
= code
- cfg
->native_code
;
4797 g_assert (cfg
->code_len
< cfg
->code_size
);
4801 /*========================= End of Function ========================*/
4803 /*------------------------------------------------------------------*/
4805 /* Name - mono_arch_emit_exceptions */
4807 /* Function - Emit the blocks to handle exception conditions. */
4809 /*------------------------------------------------------------------*/
4812 mono_arch_emit_exceptions (MonoCompile
*cfg
)
4814 MonoJumpInfo
*patch_info
;
4820 MonoClass
*exc_classes
[MAX_EXC
];
4821 guint8
*exc_throw_start
[MAX_EXC
],
4822 *exc_throw_end
[MAX_EXC
];
4824 for (patch_info
= cfg
->patch_info
;
4826 patch_info
= patch_info
->next
) {
4827 if (patch_info
->type
== MONO_PATCH_INFO_EXC
)
4831 code_size
= exc_count
* 48;
4833 while ((cfg
->code_len
+ code_size
) > (cfg
->code_size
- 16)) {
4834 cfg
->code_size
*= 2;
4835 cfg
->native_code
= g_realloc (cfg
->native_code
, cfg
->code_size
);
4836 mono_jit_stats
.code_reallocs
++;
4839 code
= cfg
->native_code
+ cfg
->code_len
;
4841 /*---------------------------------------------------------------------*/
4842 /* Add code to raise exceptions */
4843 /*---------------------------------------------------------------------*/
4844 for (patch_info
= cfg
->patch_info
; patch_info
; patch_info
= patch_info
->next
) {
4845 switch (patch_info
->type
) {
4846 case MONO_PATCH_INFO_EXC
: {
4847 guint8
*ip
= patch_info
->ip
.i
+ cfg
->native_code
;
4848 MonoClass
*exc_class
;
4851 /*-----------------------------------------------------*/
4852 /* Patch the branch in epilog to come here */
4853 /*-----------------------------------------------------*/
4854 s390_patch_rel (ip
+ 2, (guint64
) S390_RELATIVE(code
,ip
));
4856 exc_class
= mono_class_from_name (mono_defaults
.corlib
,
4858 patch_info
->data
.name
);
4859 g_assert (exc_class
);
4860 throw_ip
= patch_info
->ip
.i
;
4862 for (iExc
= 0; iExc
< nThrows
; ++iExc
)
4863 if (exc_classes
[iExc
] == exc_class
)
4866 if (iExc
< nThrows
) {
4867 s390_jcl (code
, S390_CC_UN
,
4868 (guint64
) exc_throw_start
[iExc
]);
4869 patch_info
->type
= MONO_PATCH_INFO_NONE
;
4872 if (nThrows
< MAX_EXC
) {
4873 exc_classes
[nThrows
] = exc_class
;
4874 exc_throw_start
[nThrows
] = code
;
4877 /*---------------------------------------------*/
4878 /* Patch the parameter passed to the handler */
4879 /*---------------------------------------------*/
4880 s390_basr (code
, s390_r13
, 0);
4882 s390_llong(code
, patch_info
->data
.target
);
4883 /*---------------------------------------------*/
4884 /* Load return address & parameter register */
4885 /*---------------------------------------------*/
4886 s390_larl (code
, s390_r14
, S390_RELATIVE((patch_info
->ip
.i
+
4887 cfg
->native_code
+ 8), code
));
4888 s390_lg (code
, s390_r2
, 0, s390_r13
, 4);
4889 /*---------------------------------------------*/
4890 /* Reuse the current patch to set the jump */
4891 /*---------------------------------------------*/
4892 s390_basr (code
, s390_r13
, 0);
4894 patch_info
->type
= MONO_PATCH_INFO_INTERNAL_METHOD
;
4895 patch_info
->data
.name
= "mono_arch_throw_exception_by_name";
4896 patch_info
->ip
.i
= code
- cfg
->native_code
;
4897 s390_llong(code
, 0);
4898 s390_lg (code
, s390_r1
, 0, s390_r13
, 4);
4899 s390_br (code
, s390_r1
);
4909 cfg
->code_len
= code
- cfg
->native_code
;
4911 g_assert (cfg
->code_len
< cfg
->code_size
);
4915 /*========================= End of Function ========================*/
4917 /*------------------------------------------------------------------*/
4919 /* Name - mono_arch_setup_jit_tls_data */
4921 /* Function - Setup the JIT's Thread Level Specific Data. */
4923 /*------------------------------------------------------------------*/
4926 mono_arch_setup_jit_tls_data (MonoJitTlsData
*tls
)
4928 if (!tls_offset_inited
) {
4929 tls_offset_inited
= TRUE
;
4933 __asm__ ("\tear\t%r1,0\n"
4940 : "=r" (appdomain_tls_offset
),
4941 "=r" (thread_tls_offset
),
4942 "=r" (lmf_tls_offset
)
4943 : "r" (&tls_appdomain
),
4944 "r" (&tls_current_object
),
4945 "r" (&mono_lmf_addr
)
4951 if (!lmf_addr_key_inited
) {
4952 lmf_addr_key_inited
= TRUE
;
4953 pthread_key_create (&lmf_addr_key
, NULL
);
4955 pthread_setspecific (lmf_addr_key
, &tls
->lmf
);
4959 /*========================= End of Function ========================*/
4961 /*------------------------------------------------------------------*/
4963 /* Name - mono_arch_free_jit_tls_data */
4965 /* Function - Free tls data. */
4967 /*------------------------------------------------------------------*/
4970 mono_arch_free_jit_tls_data (MonoJitTlsData
*tls
)
4975 /*========================= End of Function ========================*/
4977 /*------------------------------------------------------------------*/
4979 /* Name - mono_arch_emit_this_vret_args */
4983 /*------------------------------------------------------------------*/
4986 mono_arch_emit_this_vret_args (MonoCompile
*cfg
, MonoCallInst
*inst
, int this_reg
, int this_type
, int vt_reg
)
4988 int this_dreg
= s390_r2
;
4991 this_dreg
= s390_r3
;
4993 /* add the this argument */
4994 if (this_reg
!= -1) {
4996 MONO_INST_NEW (cfg
, this, OP_SETREG
);
4997 this->type
= this_type
;
4998 this->sreg1
= this_reg
;
4999 this->dreg
= mono_regstate_next_int (cfg
->rs
);
5000 mono_bblock_add_inst (cfg
->cbb
, this);
5001 mono_call_inst_add_outarg_reg (cfg
, inst
, this->dreg
, this_dreg
, FALSE
);
5006 MONO_INST_NEW (cfg
, vtarg
, OP_SETREG
);
5007 vtarg
->type
= STACK_MP
;
5008 vtarg
->sreg1
= vt_reg
;
5009 vtarg
->dreg
= mono_regstate_next_int (cfg
->rs
);
5010 mono_bblock_add_inst (cfg
->cbb
, vtarg
);
5011 mono_call_inst_add_outarg_reg (cfg
, inst
, vtarg
->dreg
, s390_r2
, FALSE
);
5015 /*========================= End of Function ========================*/
5017 /*------------------------------------------------------------------*/
5019 /* Name - mono_arch_get_inst_for_method */
5021 /* Function - Check for opcodes we can handle directly in */
5024 /*------------------------------------------------------------------*/
5027 mono_arch_get_inst_for_method (MonoCompile
*cfg
, MonoMethod
*cmethod
,
5028 MonoMethodSignature
*fsig
, MonoInst
**args
)
5030 MonoInst
*ins
= NULL
;
5032 if (cmethod
->klass
== mono_defaults
.math_class
) {
5033 if (strcmp (cmethod
->name
, "Sqrt") == 0) {
5034 MONO_INST_NEW (cfg
, ins
, OP_SQRT
);
5035 ins
->inst_i0
= args
[0];
5037 // if (strcmp (cmethod->name, "Abs") == 0) {
5038 // MONO_INST_NEW (cfg, ins, OP_ABS);
5039 // ins->inst_i0 = args [0];
5041 } else if (cmethod
->klass
== mono_defaults
.thread_class
&&
5042 strcmp (cmethod
->name
, "MemoryBarrier") == 0) {
5043 MONO_INST_NEW (cfg
, ins
, OP_MEMORY_BARRIER
);
5044 } else if(cmethod
->klass
->image
== mono_defaults
.corlib
&&
5045 (strcmp (cmethod
->klass
->name_space
, "System.Threading") == 0) &&
5046 (strcmp (cmethod
->klass
->name
, "Interlocked") == 0)) {
5048 if (strcmp (cmethod
->name
, "Increment") == 0) {
5049 MonoInst
*ins_iconst
;
5052 if (fsig
->params
[0]->type
== MONO_TYPE_I4
)
5053 opcode
= OP_ATOMIC_ADD_NEW_I4
;
5054 else if (fsig
->params
[0]->type
== MONO_TYPE_I8
)
5055 opcode
= OP_ATOMIC_ADD_NEW_I8
;
5057 g_assert_not_reached ();
5059 MONO_INST_NEW (cfg
, ins
, opcode
);
5060 MONO_INST_NEW (cfg
, ins_iconst
, OP_ICONST
);
5061 ins_iconst
->inst_c0
= 1;
5063 ins
->inst_i0
= args
[0];
5064 ins
->inst_i1
= ins_iconst
;
5065 } else if (strcmp (cmethod
->name
, "Decrement") == 0) {
5066 MonoInst
*ins_iconst
;
5069 if (fsig
->params
[0]->type
== MONO_TYPE_I4
)
5070 opcode
= OP_ATOMIC_ADD_NEW_I4
;
5071 else if (fsig
->params
[0]->type
== MONO_TYPE_I8
)
5072 opcode
= OP_ATOMIC_ADD_NEW_I8
;
5074 g_assert_not_reached ();
5075 MONO_INST_NEW (cfg
, ins
, opcode
);
5076 MONO_INST_NEW (cfg
, ins_iconst
, OP_ICONST
);
5077 ins_iconst
->inst_c0
= -1;
5079 ins
->inst_i0
= args
[0];
5080 ins
->inst_i1
= ins_iconst
;
5082 } else if (strcmp (cmethod
->name
, "Exchange") == 0) {
5085 if (fsig
->params
[0]->type
== MONO_TYPE_I4
)
5086 opcode
= OP_ATOMIC_EXCHANGE_I4
;
5087 else if ((fsig
->params
[0]->type
== MONO_TYPE_I8
) ||
5088 (fsig
->params
[0]->type
== MONO_TYPE_I
) ||
5089 (fsig
->params
[0]->type
== MONO_TYPE_OBJECT
))
5090 opcode
= OP_ATOMIC_EXCHANGE_I8
;
5094 MONO_INST_NEW (cfg
, ins
, opcode
);
5096 ins
->inst_i0
= args
[0];
5097 ins
->inst_i1
= args
[1];
5098 } else if (strcmp (cmethod
->name
, "Add") == 0) {
5101 if (fsig
->params
[0]->type
== MONO_TYPE_I4
)
5102 opcode
= OP_ATOMIC_ADD_I4
;
5103 else if (fsig
->params
[0]->type
== MONO_TYPE_I8
)
5104 opcode
= OP_ATOMIC_ADD_I8
;
5106 g_assert_not_reached ();
5108 MONO_INST_NEW (cfg
, ins
, opcode
);
5110 ins
->inst_i0
= args
[0];
5111 ins
->inst_i1
= args
[1];
5112 } else if ((strcmp (cmethod
->name
, "Read") == 0 &&
5113 (fsig
->params
[0]->type
== MONO_TYPE_I8
))) {
5114 MONO_INST_NEW (cfg
, ins
, CEE_LDIND_I8
);
5115 ins
->inst_i0
= args
[0];
5121 /*========================= End of Function ========================*/
5123 /*------------------------------------------------------------------*/
5125 /* Name - mono_arch_print_tree */
5127 /* Function - Print platform-specific opcode details. */
5129 /* Returns - 1 - opcode details have been printed */
5130 /* 0 - opcode details have not been printed */
5132 /*------------------------------------------------------------------*/
5135 mono_arch_print_tree (MonoInst
*tree
, int arity
)
5139 switch (tree
->opcode
) {
5140 case OP_S390_LOADARG
:
5141 case OP_S390_ARGREG
:
5142 case OP_S390_ARGPTR
:
5143 printf ("[0x%lx(%s)]", tree
->inst_offset
,
5144 mono_arch_regname (tree
->inst_basereg
));
5147 case OP_S390_STKARG
:
5148 printf ("[0x%lx(previous_frame)]",
5153 printf ("[0x%lx(%d,%s),0x%lx(%s)]",
5154 tree
->inst_offset
, tree
->backend
.size
,
5155 mono_arch_regname(tree
->dreg
),
5157 mono_arch_regname(tree
->sreg1
));
5160 case OP_S390_SETF4RET
:
5161 printf ("[f%s,f%s]",
5162 mono_arch_regname (tree
->dreg
),
5163 mono_arch_regname (tree
->sreg1
));
5167 printf ("[0x%lx(0x%lx,%s)]", tree
->inst_offset
,
5169 mono_arch_regname (tree
->sreg1
));
5172 case OP_S390_BKCHAIN
:
5173 printf ("[previous_frame(%s)]",
5174 mono_arch_regname (tree
->sreg1
));
5182 /*========================= End of Function ========================*/
5184 /*------------------------------------------------------------------*/
5186 /* Name - mono_arch_regalloc_cost */
5188 /* Function - Determine the cost, in the number of memory */
5189 /* references, of the action of allocating the var- */
5190 /* iable VMV into a register during global register */
5193 /* Returns - Cost */
5195 /*------------------------------------------------------------------*/
5198 mono_arch_regalloc_cost (MonoCompile
*cfg
, MonoMethodVar
*vmv
)
5204 /*========================= End of Function ========================*/
5206 /*------------------------------------------------------------------*/
5208 /* Name - mono_arch_get_domain_intrinsic */
5214 /*------------------------------------------------------------------*/
5217 mono_arch_get_domain_intrinsic (MonoCompile
* cfg
)
5221 if (appdomain_tls_offset
== -1)
5224 MONO_INST_NEW (cfg
, ins
, OP_TLS_GET
);
5225 ins
->inst_offset
= appdomain_tls_offset
;
5229 /*========================= End of Function ========================*/
5231 /*------------------------------------------------------------------*/
5233 /* Name - mono_arch_get_thread_intrinsic */
5239 /*------------------------------------------------------------------*/
5242 mono_arch_get_thread_intrinsic (MonoCompile
* cfg
)
5246 if (thread_tls_offset
== -1)
5249 MONO_INST_NEW (cfg
, ins
, OP_TLS_GET
);
5250 ins
->inst_offset
= thread_tls_offset
;
5254 /*========================= End of Function ========================*/
5256 /*------------------------------------------------------------------*/
5258 /* Name - mono_arch_flush_register_windows */
5264 /*------------------------------------------------------------------*/
5267 mono_arch_flush_register_windows (void)
5271 /*========================= End of Function ========================*/
5273 /*------------------------------------------------------------------*/
5275 /* Name - mono_arch_get_lmf_addr */
5281 /*------------------------------------------------------------------*/
5284 mono_arch_get_lmf_addr (void)
5286 return pthread_getspecific (lmf_addr_key
);
5289 /*========================= End of Function ========================*/
5291 /*------------------------------------------------------------------*/
5293 /* Name - mono_arch_is_inst_imm */
5295 /* Function - Determine if operand qualifies as an immediate */
5296 /* value. For s390 this is a value -32768-32768 */
5298 /* Returns - True|False - is [not] immediate value. */
5300 /*------------------------------------------------------------------*/
5303 mono_arch_is_inst_imm (gint64 imm
)
5305 return s390_is_imm16 (imm
);
5308 /*========================= End of Function ========================*/
5310 /*------------------------------------------------------------------*/
5312 /* Name - opcode_to_cond */
5314 /* Function - Simplify the branch on condition opcode from */
5315 /* more than 20 to just a handful for easy manipu- */
5316 /* lation within the instruction emitting code. */
5318 /* Returns - CMP_xxx - this simplified condition type. */
5320 /*------------------------------------------------------------------*/
5323 opcode_to_cond (int opcode
)
5332 case OP_COND_EXC_EQ
:
5335 case OP_COND_EXC_NE_UN
:
5348 case OP_COND_EXC_LT
:
5356 case OP_COND_EXC_GT
:
5365 case OP_COND_EXC_LE_UN
:
5379 case OP_COND_EXC_LT_UN
:
5382 case OP_COND_EXC_GT_UN
:
5390 printf ("%s\n", mono_inst_name (opcode
));
5391 g_error("Not implemented\n");
5396 /*========================= End of Function ========================*/
5398 /*------------------------------------------------------------------*/
5400 /* Name - mono_arch_get_patch_offset */
5402 /* Function - Dummy entry point until s390x supports aot. */
5404 /* Returns - Offset for patch. */
5406 /*------------------------------------------------------------------*/
5409 mono_arch_get_patch_offset (guint8
*code
)
5414 /*========================= End of Function ========================*/