/
mini-s390x.c
6359 lines (5767 loc) · 189 KB
/
mini-s390x.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*------------------------------------------------------------------*/
/* */
/* Name - mini-s390.c */
/* */
/* Function - S/390 backend for the Mono code generator. */
/* */
/* Name - Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com) */
/* */
/* Date - January, 2004 */
/* */
/* Derivation - From mini-x86 & mini-ppc by - */
/* Paolo Molaro (lupus@ximian.com) */
/* Dietmar Maurer (dietmar@ximian.com) */
/* */
/*------------------------------------------------------------------*/
/*------------------------------------------------------------------*/
/* D e f i n e s */
/*------------------------------------------------------------------*/
#define MAX_ARCH_DELEGATE_PARAMS 7
#define EMIT_COND_BRANCH(ins,cond) \
{ \
if (ins->inst_true_bb->native_offset) { \
int displace; \
displace = ((cfg->native_code + \
ins->inst_true_bb->native_offset) - code) / 2; \
if (s390_is_imm16(displace)) { \
s390_brc (code, cond, displace); \
} else { \
s390_jcl (code, cond, displace); \
} \
} else { \
mono_add_patch_info (cfg, code - cfg->native_code, \
MONO_PATCH_INFO_BB, ins->inst_true_bb); \
s390_jcl (code, cond, 0); \
} \
}
#define EMIT_UNCOND_BRANCH(ins) \
{ \
if (ins->inst_target_bb->native_offset) { \
int displace; \
displace = ((cfg->native_code + \
ins->inst_target_bb->native_offset) - code) / 2; \
if (s390_is_imm16(displace)) { \
s390_brc (code, S390_CC_UN, displace); \
} else { \
s390_jcl (code, S390_CC_UN, displace); \
} \
} else { \
mono_add_patch_info (cfg, code - cfg->native_code, \
MONO_PATCH_INFO_BB, ins->inst_target_bb); \
s390_jcl (code, S390_CC_UN, 0); \
} \
}
#define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
do { \
mono_add_patch_info (cfg, code - cfg->native_code, \
MONO_PATCH_INFO_EXC, exc_name); \
s390_jcl (code, cond, 0); \
} while (0);
#define CHECK_SRCDST_COM \
if (ins->dreg == ins->sreg2) { \
src2 = ins->sreg1; \
} else { \
src2 = ins->sreg2; \
if (ins->dreg != ins->sreg1) { \
s390_lgr (code, ins->dreg, ins->sreg1); \
} \
}
#define CHECK_SRCDST_NCOM \
if (ins->dreg == ins->sreg2) { \
src2 = s390_r13; \
s390_lgr (code, s390_r13, ins->sreg2); \
} else { \
src2 = ins->sreg2; \
} \
if (ins->dreg != ins->sreg1) { \
s390_lgr (code, ins->dreg, ins->sreg1); \
}
#define CHECK_SRCDST_COM_I \
if (ins->dreg == ins->sreg2) { \
src2 = ins->sreg1; \
} else { \
src2 = ins->sreg2; \
if (ins->dreg != ins->sreg1) { \
s390_lgfr (code, ins->dreg, ins->sreg1); \
} \
}
#define CHECK_SRCDST_NCOM_I \
if (ins->dreg == ins->sreg2) { \
src2 = s390_r13; \
s390_lgfr (code, s390_r13, ins->sreg2); \
} else { \
src2 = ins->sreg2; \
} \
if (ins->dreg != ins->sreg1) { \
s390_lgfr (code, ins->dreg, ins->sreg1); \
}
#define CHECK_SRCDST_COM_F \
if (ins->dreg == ins->sreg2) { \
src2 = ins->sreg1; \
} else { \
src2 = ins->sreg2; \
if (ins->dreg != ins->sreg1) { \
s390_ldr (code, ins->dreg, ins->sreg1); \
} \
}
#define CHECK_SRCDST_NCOM_F \
if (ins->dreg == ins->sreg2) { \
src2 = s390_f15; \
s390_ldr (code, s390_r13, ins->sreg2); \
} else { \
src2 = ins->sreg2; \
} \
if (ins->dreg != ins->sreg1) { \
s390_ldr (code, ins->dreg, ins->sreg1); \
}
#define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
MonoInst *inst; \
int sReg, dReg; \
MONO_INST_NEW (cfg, inst, OP_NOP); \
if (size > 256) { \
inst->dreg = dest; \
inst->inst_offset = offset; \
inst->sreg1 = src; \
inst->inst_imm = imm; \
} else { \
if (s390_is_uimm12(offset)) { \
inst->dreg = dest; \
inst->inst_offset = offset; \
} else { \
dReg = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
dReg, dest, offset); \
inst->dreg = dReg; \
inst->inst_offset = 0; \
} \
if (s390_is_uimm12(imm)) { \
inst->sreg1 = src; \
inst->inst_imm = imm; \
} else { \
sReg = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
sReg, src, imm); \
inst->sreg1 = sReg; \
inst->inst_imm = 0; \
} \
} \
inst->opcode = OP_S390_MOVE; \
inst->backend.size = size; \
MONO_ADD_INS (cfg->cbb, inst); \
} while (0)
#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
int reg = mono_alloc_preg (cfg); \
switch (size) { \
case 0: \
MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
break; \
case 1: \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
reg, sr, so); \
break; \
case 2: \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
reg, sr, so); \
break; \
case 4: \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
reg, sr, so); \
break; \
case 8: \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI8_MEMBASE, \
reg, sr, so); \
break; \
} \
mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
} while (0)
#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
int tmpr; \
switch (size) { \
case 0: \
tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
dr, dx, tmpr); \
break; \
case 1: \
tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
dr, dx, tmpr); \
break; \
case 2: \
tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
dr, dx, tmpr); \
break; \
case 4: \
tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
dr, dx, tmpr); \
break; \
case 8: \
MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
break; \
} \
} while (0)
#undef DEBUG
#define DEBUG(a) if (cfg->verbose_level > 1) a
#define MAX_EXC 16
#define S390_TRACE_STACK_SIZE (5*sizeof(gpointer)+4*sizeof(gdouble))
#define BREAKPOINT_SIZE sizeof(breakpoint_t)
#define S390X_NOP_SIZE sizeof(I_Format)
#define MAX(a, b) ((a) > (b) ? (a) : (b))
/*
* imt thunking size values
*/
#define CMP_SIZE 24
#define LOADCON_SIZE 20
#define LOAD_SIZE 6
#define BR_SIZE 2
#define JUMP_SIZE 6
#define ENABLE_WRONG_METHOD_CHECK 0
/*========================= End of Defines =========================*/
/*------------------------------------------------------------------*/
/* I n c l u d e s */
/*------------------------------------------------------------------*/
#include "mini.h"
#include <string.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/debug-helpers.h>
#include <mono/metadata/profiler-private.h>
#include <mono/utils/mono-math.h>
#include <mono/utils/mono-mmap.h>
#include "mini-s390x.h"
#include "cpu-s390x.h"
#include "jit-icalls.h"
#include "ir-emit.h"
#include "trace.h"
/*========================= End of Includes ========================*/
/*------------------------------------------------------------------*/
/* T y p e d e f s */
/*------------------------------------------------------------------*/
typedef struct {
guint stack_size,
local_size,
code_size,
parm_size,
offset,
offStruct,
retStruct;
} size_data;
/*------------------------------------------------------------------*/
/* Used by the instrument_emit_epilog */
/*------------------------------------------------------------------*/
enum {
SAVE_NONE,
SAVE_STRUCT,
SAVE_ONE,
SAVE_TWO,
SAVE_R4,
SAVE_R8
};
typedef struct InstList InstList;
struct InstList {
InstList *prev;
InstList *next;
MonoInst *data;
};
typedef enum {
RegTypeGeneral,
RegTypeBase,
RegTypeFP,
RegTypeFPR4,
RegTypeStructByVal,
RegTypeStructByValInFP,
RegTypeStructByAddr,
RegTypeStructByAddrOnStack
} ArgStorage;
typedef struct {
gint32 offset; /* offset from caller's stack */
gint32 offparm; /* offset from callee's stack */
guint16 vtsize; /* in param area */
guint8 reg;
ArgStorage regtype;
guint32 size; /* Size of structure used by RegTypeStructByVal */
gint32 type; /* Data type of argument */
} ArgInfo;
typedef struct {
int nargs;
int lastgr;
guint32 stack_usage;
guint32 struct_ret;
ArgInfo ret;
ArgInfo sigCookie;
size_data sz;
int vret_arg_index;
ArgInfo args [1];
} CallInfo;
typedef struct {
gint64 gr[5]; /* R2-R6 */
gdouble fp[3]; /* F0-F2 */
} __attribute__ ((packed)) RegParm;
typedef struct {
RR_Format basr;
RI_Format j;
void *pTrigger;
RXY_Format lg;
RXY_Format trigger;
} __attribute__ ((packed)) breakpoint_t;
/*========================= End of Typedefs ========================*/
/*------------------------------------------------------------------*/
/* P r o t o t y p e s */
/*------------------------------------------------------------------*/
static void indent (int);
static guint8 * backUpStackPtr(MonoCompile *, guint8 *);
static void decodeParm (MonoType *, void *, int);
static void enter_method (MonoMethod *, RegParm *, char *);
static void leave_method (MonoMethod *, ...);
static gboolean is_regsize_var (MonoType *);
static inline void add_general (guint *, size_data *, ArgInfo *);
static inline void add_stackParm (guint *, size_data *, ArgInfo *, gint);
static inline void add_float (guint *, size_data *, ArgInfo *);
static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
static guint8 * emit_load_volatile_arguments (guint8 *, MonoCompile *);
static void catch_SIGILL(int, siginfo_t *, void *);
static __inline__ void emit_unwind_regs(MonoCompile *, guint8 *, int, int, long);
/*========================= End of Prototypes ======================*/
/*------------------------------------------------------------------*/
/* G l o b a l V a r i a b l e s */
/*------------------------------------------------------------------*/
int mono_exc_esp_offset = 0;
static int indent_level = 0;
int has_ld = 0;
static gint appdomain_tls_offset = -1,
lmf_tls_offset = -1,
lmf_addr_tls_offset = -1;
pthread_key_t lmf_addr_key;
gboolean lmf_addr_key_inited = FALSE;
facilityList_t facs;
#if 0
extern __thread MonoDomain *tls_appdomain;
extern __thread MonoThread *tls_current_object;
extern __thread gpointer mono_lmf_addr;
#endif
/*
* The code generated for sequence points reads from this location,
* which is made read-only when single stepping is enabled.
*/
static gpointer ss_trigger_page;
/*
* Enabled breakpoints read from this trigger page
*/
static gpointer bp_trigger_page;
breakpoint_t breakpointCode;
/*====================== End of Global Variables ===================*/
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_regname */
/* */
/* Function - Returns the name of the register specified by */
/* the input parameter. */
/* */
/*------------------------------------------------------------------*/
const char*
mono_arch_regname (int reg) {
static const char * rnames[] = {
"s390_r0", "s390_sp", "s390_r2", "s390_r3", "s390_r4",
"s390_r5", "s390_r6", "s390_r7", "s390_r8", "s390_r9",
"s390_r10", "s390_r11", "s390_r12", "s390_r13", "s390_r14",
"s390_r15"
};
if (reg >= 0 && reg < 16)
return rnames [reg];
else
return "unknown";
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_fregname */
/* */
/* Function - Returns the name of the register specified by */
/* the input parameter. */
/* */
/*------------------------------------------------------------------*/
const char*
mono_arch_fregname (int reg) {
static const char * rnames[] = {
"s390_f0", "s390_f1", "s390_f2", "s390_f3", "s390_f4",
"s390_f5", "s390_f6", "s390_f7", "s390_f8", "s390_f9",
"s390_f10", "s390_f11", "s390_f12", "s390_f13", "s390_f14",
"s390_f15"
};
if (reg >= 0 && reg < 16)
return rnames [reg];
else
return "unknown";
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - arch_get_argument_info */
/* */
/* Function - Gathers information on parameters such as size, */
/* alignment, and padding. arg_info should be large */
/* enough to hold param_count + 1 entries. */
/* */
/* Parameters - @csig - Method signature */
/* @param_count - No. of parameters to consider */
/* @arg_info - An array to store the result info */
/* */
/* Returns - Size of the activation frame */
/* */
/*------------------------------------------------------------------*/
int
mono_arch_get_argument_info (MonoMethodSignature *csig,
int param_count,
MonoJitArgumentInfo *arg_info)
{
int k, frame_size = 0;
int size, align, pad;
int offset = 8;
if (MONO_TYPE_ISSTRUCT (csig->ret)) {
frame_size += sizeof (gpointer);
offset += 8;
}
arg_info [0].offset = offset;
if (csig->hasthis) {
frame_size += sizeof (gpointer);
offset += 8;
}
arg_info [0].size = frame_size;
for (k = 0; k < param_count; k++) {
if (csig->pinvoke)
size = mono_type_native_stack_size (csig->params [k], (guint32 *) &align);
else
size = mini_type_stack_size (NULL, csig->params [k], &align);
frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
arg_info [k].pad = pad;
frame_size += size;
arg_info [k + 1].pad = 0;
arg_info [k + 1].size = size;
offset += pad;
arg_info [k + 1].offset = offset;
offset += size;
}
align = MONO_ARCH_FRAME_ALIGNMENT;
frame_size += pad = (align - (frame_size & (align - 1))) & (align - 1);
arg_info [k].pad = pad;
return frame_size;
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - emit_unwind_regs. */
/* */
/* Function - Determines if a value can be returned in one or */
/* two registers. */
/* */
/*------------------------------------------------------------------*/
static void __inline__
emit_unwind_regs(MonoCompile *cfg, guint8 *code, int start, int end, long offset)
{
int i;
for (i = start; i < end; i++) {
mono_emit_unwind_op_offset (cfg, code, i, offset);
offset += sizeof(gulong);
}
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - retFitsInReg. */
/* */
/* Function - Determines if a value can be returned in one or */
/* two registers. */
/* */
/*------------------------------------------------------------------*/
static inline gboolean
retFitsInReg(guint32 size)
{
switch (size) {
case 0:
case 1:
case 2:
case 4:
case 8:
return (TRUE);
break;
default:
return (FALSE);
}
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - backStackPtr. */
/* */
/* Function - Restore Stack Pointer to previous frame. */
/* */
/*------------------------------------------------------------------*/
static inline guint8 *
backUpStackPtr(MonoCompile *cfg, guint8 *code)
{
int stackSize = cfg->stack_usage;
if (cfg->frame_reg != STK_BASE)
s390_lgr (code, STK_BASE, cfg->frame_reg);
if (s390_is_imm16 (stackSize)) {
s390_aghi (code, STK_BASE, stackSize);
} else {
while (stackSize > 32767) {
s390_aghi (code, STK_BASE, 32767);
stackSize -= 32767;
}
s390_aghi (code, STK_BASE, stackSize);
}
return (code);
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - indent */
/* */
/* Function - Perform nice indenting to current level */
/* */
/*------------------------------------------------------------------*/
static void
indent (int diff) {
int v;
if (diff < 0)
indent_level += diff;
v = indent_level;
printf("[%3d] ",v);
while (v-- > 0) {
printf (". ");
}
if (diff > 0)
indent_level += diff;
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - cvtMonoType */
/* */
/* Function - Convert a mono-type to a string. */
/* */
/*------------------------------------------------------------------*/
static const char *
cvtMonoType(MonoTypeEnum t)
{
switch(t)
{
case MONO_TYPE_END:
return "MONO_TYPE_END";
case MONO_TYPE_VOID:
return "MONO_TYPE_VOID";
case MONO_TYPE_BOOLEAN:
return "MONO_TYPE_BOOLEAN";
case MONO_TYPE_CHAR:
return "MONO_TYPE_CHAR";
case MONO_TYPE_I1:
return "MONO_TYPE_I1";
case MONO_TYPE_U1:
return "MONO_TYPE_U1";
case MONO_TYPE_I2:
return "MONO_TYPE_I2";
case MONO_TYPE_U2:
return "MONO_TYPE_U2";
case MONO_TYPE_I4:
return "MONO_TYPE_I4";
case MONO_TYPE_U4:
return "MONO_TYPE_U4";
case MONO_TYPE_I8:
return "MONO_TYPE_I8";
case MONO_TYPE_U8:
return "MONO_TYPE_U8";
case MONO_TYPE_R4:
return "MONO_TYPE_R4";
case MONO_TYPE_R8:
return "MONO_TYPE_R8";
case MONO_TYPE_STRING:
return "MONO_TYPE_STRING";
case MONO_TYPE_PTR:
return "MONO_TYPE_PTR";
case MONO_TYPE_BYREF:
return "MONO_TYPE_BYREF";
case MONO_TYPE_VALUETYPE:
return "MONO_TYPE_VALUETYPE";
case MONO_TYPE_CLASS:
return "MONO_TYPE_CLASS";
case MONO_TYPE_VAR:
return "MONO_TYPE_VAR";
case MONO_TYPE_ARRAY:
return "MONO_TYPE_ARRAY";
case MONO_TYPE_GENERICINST:
return "MONO_TYPE_GENERICINST";
case MONO_TYPE_TYPEDBYREF:
return "MONO_TYPE_TYPEDBYREF";
case MONO_TYPE_I:
return "MONO_TYPE_I";
case MONO_TYPE_U:
return "MONO_TYPE_U";
case MONO_TYPE_FNPTR:
return "MONO_TYPE_FNPTR";
case MONO_TYPE_OBJECT:
return "MONO_TYPE_OBJECT";
case MONO_TYPE_SZARRAY:
return "MONO_TYPE_SZARRAY";
case MONO_TYPE_MVAR:
return "MONO_TYPE_MVAR";
case MONO_TYPE_CMOD_REQD:
return "MONO_TYPE_CMOD_REQD";
case MONO_TYPE_CMOD_OPT:
return "MONO_TYPE_CMOD_OPT";
case MONO_TYPE_INTERNAL:
return "MONO_TYPE_INTERNAL";
case MONO_TYPE_MODIFIER:
return "MONO_TYPE_MODIFIER";
case MONO_TYPE_SENTINEL:
return "MONO_TYPE_SENTINEL";
case MONO_TYPE_PINNED:
return "MONO_TYPE_PINNED";
default:
;
}
return "unknown";
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - decodeParm */
/* */
/* Function - Decode a parameter for the trace. */
/* */
/*------------------------------------------------------------------*/
static void
decodeParm(MonoType *type, void *curParm, int size)
{
guint32 simpleType;
if (type->byref) {
printf("[BYREF:%p], ", *((char **) curParm));
} else {
simpleType = mono_type_get_underlying_type(type)->type;
enum_parmtype:
switch (simpleType) {
case MONO_TYPE_I :
printf ("[INTPTR:%p], ", *((int **) curParm));
break;
case MONO_TYPE_U :
printf ("[UINTPTR:%p], ", *((int **) curParm));
break;
case MONO_TYPE_BOOLEAN :
printf ("[BOOL:%ld], ", *((gint64 *) curParm));
break;
case MONO_TYPE_CHAR :
printf ("[CHAR:%c], ", *((int *) curParm));
break;
case MONO_TYPE_I1 :
printf ("[INT1:%ld], ", *((gint64 *) curParm));
break;
case MONO_TYPE_I2 :
printf ("[INT2:%ld], ", *((gint64 *) curParm));
break;
case MONO_TYPE_I4 :
printf ("[INT4:%ld], ", *((gint64 *) curParm));
break;
case MONO_TYPE_U1 :
printf ("[UINT1:%lu], ", *((guint64 *) curParm));
break;
case MONO_TYPE_U2 :
printf ("[UINT2:%lu], ", *((guint64 *) curParm));
break;
case MONO_TYPE_U4 :
printf ("[UINT4:%lu], ", *((guint64 *) curParm));
break;
case MONO_TYPE_U8 :
printf ("[UINT8:%lu], ", *((guint64 *) curParm));
break;
case MONO_TYPE_STRING : {
MonoString *s = *((MonoString **) curParm);
if (s) {
g_assert (((MonoObject *) s)->vtable->klass == mono_defaults.string_class);
printf("[STRING:%p:%s], ", s, mono_string_to_utf8(s));
} else {
printf("[STRING:null], ");
}
break;
}
case MONO_TYPE_CLASS :
case MONO_TYPE_OBJECT : {
MonoObject *obj = *((MonoObject **) curParm);
MonoClass *class;
if ((obj) && (obj->vtable)) {
printf("[CLASS/OBJ:");
class = obj->vtable->klass;
printf("%p [%p] ",obj,curParm);
if (class == mono_defaults.string_class) {
printf("[STRING:%p:%s]",
obj, mono_string_to_utf8 ((MonoString *) obj));
} else if (class == mono_defaults.int32_class) {
printf("[INT32:%p:%d]",
obj, *(gint32 *)((char *)obj + sizeof (MonoObject)));
} else
printf("[%s.%s:%p]",
class->name_space, class->name, obj);
printf("], ");
} else {
printf("[OBJECT:null], ");
}
break;
}
case MONO_TYPE_PTR :
printf("[PTR:%p], ", *((gpointer **) (curParm)));
break;
case MONO_TYPE_FNPTR :
printf("[FNPTR:%p], ", *((gpointer **) (curParm)));
break;
case MONO_TYPE_ARRAY :
printf("[ARRAY:%p], ", *((gpointer **) (curParm)));
break;
case MONO_TYPE_SZARRAY :
printf("[SZARRAY:%p], ", *((gpointer **) (curParm)));
break;
case MONO_TYPE_I8 :
printf("[INT8:%ld], ", *((gint64 *) (curParm)));
break;
case MONO_TYPE_R4 :
printf("[FLOAT4:%g], ", *((float *) (curParm)));
break;
case MONO_TYPE_R8 :
printf("[FLOAT8:%g], ", *((double *) (curParm)));
break;
case MONO_TYPE_VALUETYPE : {
int i;
MonoMarshalType *info;
if (type->data.klass->enumtype) {
simpleType = mono_class_enum_basetype (type->data.klass)->type;
printf("{VALUETYPE} - ");
goto enum_parmtype;
}
info = mono_marshal_load_type_info (type->data.klass);
if ((info->native_size == sizeof(float)) &&
(info->num_fields == 1) &&
(info->fields[0].field->type->type == MONO_TYPE_R4)) {
printf("[FLOAT4:%f], ", *((float *) (curParm)));
break;
}
if ((info->native_size == sizeof(double)) &&
(info->num_fields == 1) &&
(info->fields[0].field->type->type == MONO_TYPE_R8)) {
printf("[FLOAT8:%g], ", *((double *) (curParm)));
break;
}
printf("[VALUETYPE:");
for (i = 0; i < size; i++)
printf("%02x,", *((guint8 *)curParm+i));
printf("], ");
break;
}
case MONO_TYPE_TYPEDBYREF: {
int i;
printf("[TYPEDBYREF:");
for (i = 0; i < size; i++)
printf("%02x,", *((guint8 *)curParm+i));
printf("]");
break;
}
default :
printf("[%s], ",cvtMonoType(simpleType));
}
}
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
/* Name - enter_method */
/* */
/* Function - Perform tracing of the entry to the current */
/* method. */
/* */
/*------------------------------------------------------------------*/
static void
enter_method (MonoMethod *method, RegParm *rParm, char *sp)
{
int i, oParm = 0, iParm = 0;
MonoClass *class;
MonoObject *obj;
MonoMethodSignature *sig;
char *fname;
guint64 ip;
CallInfo *cinfo;
ArgInfo *ainfo;
void *curParm;
fname = mono_method_full_name (method, TRUE);
indent (1);
printf ("ENTER: %s ", fname);
g_free (fname);
ip = (*(guint64 *) (sp+S390_RET_ADDR_OFFSET));
printf ("ip: %p sp: %p - ", (gpointer) ip, sp);
if (rParm == NULL)
return;
sig = mono_method_signature (method);
cinfo = get_call_info (NULL, NULL, sig, sig->pinvoke);
if (cinfo->struct_ret) {
printf ("[STRUCTRET:%p], ", (gpointer) rParm->gr[0]);
iParm = 1;
}
if (sig->hasthis) {
gpointer *this = (gpointer *) rParm->gr[iParm];
obj = (MonoObject *) this;
switch(method->klass->this_arg.type) {
case MONO_TYPE_VALUETYPE:
if (obj) {
guint64 *value = ((void *)this + sizeof(MonoObject));
printf("this:[value:%p:%016lx], ", this, *value);
} else
printf ("this:[NULL], ");
break;
case MONO_TYPE_STRING:
if (obj) {
if (obj->vtable) {
class = obj->vtable->klass;
if (class == mono_defaults.string_class) {
printf ("this:[STRING:%p:%s], ",
obj, mono_string_to_utf8 ((MonoString *)obj));
} else {
printf ("this:%p[%s.%s], ",
obj, class->name_space, class->name);
}
} else
printf("vtable:[NULL], ");
} else
printf ("this:[NULL], ");
break;
default :
printf("this[%s]: %p, ",cvtMonoType(method->klass->this_arg.type),this);
}
oParm++;
}
for (i = 0; i < sig->param_count; ++i) {
ainfo = &cinfo->args[i + oParm];
switch (ainfo->regtype) {
case RegTypeGeneral :
decodeParm(sig->params[i], &(rParm->gr[ainfo->reg-2]), ainfo->size);
break;
case RegTypeFP :
decodeParm(sig->params[i], &(rParm->fp[ainfo->reg]), ainfo->size);
break;
case RegTypeBase :
decodeParm(sig->params[i], sp+ainfo->offset, ainfo->size);
break;
case RegTypeStructByVal :
if (ainfo->reg != STK_BASE) {
int offset = sizeof(glong) - ainfo->size;
curParm = &(rParm->gr[ainfo->reg-2])+offset;
}
else
curParm = sp+ainfo->offset;
if (retFitsInReg (ainfo->vtsize))
decodeParm(sig->params[i],
curParm,
ainfo->size);
else
decodeParm(sig->params[i],
*((char **) curParm),
ainfo->vtsize);
break;
case RegTypeStructByAddr :
if (ainfo->reg != STK_BASE)
curParm = &(rParm->gr[ainfo->reg-2]);
else
curParm = sp+ainfo->offset;
decodeParm(sig->params[i],
*((char **) curParm),
ainfo->vtsize);
break;
default :
printf("???, ");