1 // SPDX-License-Identifier: MIT
3 * Copyright 2022 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
13 #include <side/trace.h>
15 enum tracer_display_base
{
16 TRACER_DISPLAY_BASE_2
,
17 TRACER_DISPLAY_BASE_8
,
18 TRACER_DISPLAY_BASE_10
,
19 TRACER_DISPLAY_BASE_16
,
22 static struct side_tracer_handle
*tracer_handle
;
25 void tracer_print_struct(const struct side_type
*type_desc
, const struct side_arg_vec
*side_arg_vec
);
27 void tracer_print_array(const struct side_type
*type_desc
, const struct side_arg_vec
*side_arg_vec
);
29 void tracer_print_vla(const struct side_type
*type_desc
, const struct side_arg_vec
*side_arg_vec
);
31 void tracer_print_vla_visitor(const struct side_type
*type_desc
, void *app_ctx
);
33 void tracer_print_dynamic(const struct side_arg
*dynamic_item
);
35 uint32_t tracer_print_gather_bool_type(const struct side_type_gather
*type_gather
, const void *_ptr
);
37 uint32_t tracer_print_gather_byte_type(const struct side_type_gather
*type_gather
, const void *_ptr
);
39 uint32_t tracer_print_gather_integer_type(const struct side_type_gather
*type_gather
, const void *_ptr
,
40 enum tracer_display_base default_base
);
42 uint32_t tracer_print_gather_float_type(const struct side_type_gather
*type_gather
, const void *_ptr
);
44 uint32_t tracer_print_gather_struct(const struct side_type_gather
*type_gather
, const void *_ptr
);
46 uint32_t tracer_print_gather_array(const struct side_type_gather
*type_gather
, const void *_ptr
);
48 uint32_t tracer_print_gather_vla(const struct side_type_gather
*type_gather
, const void *_ptr
,
49 const void *_length_ptr
);
51 void tracer_print_type(const struct side_type
*type_desc
, const struct side_arg
*item
);
54 int64_t get_attr_integer_value(const struct side_attr
*attr
)
58 switch (attr
->value
.type
) {
59 case SIDE_ATTR_TYPE_U8
:
60 val
= attr
->value
.u
.integer_value
.side_u8
;
62 case SIDE_ATTR_TYPE_U16
:
63 val
= attr
->value
.u
.integer_value
.side_u16
;
65 case SIDE_ATTR_TYPE_U32
:
66 val
= attr
->value
.u
.integer_value
.side_u32
;
68 case SIDE_ATTR_TYPE_U64
:
69 val
= attr
->value
.u
.integer_value
.side_u64
;
71 case SIDE_ATTR_TYPE_S8
:
72 val
= attr
->value
.u
.integer_value
.side_s8
;
74 case SIDE_ATTR_TYPE_S16
:
75 val
= attr
->value
.u
.integer_value
.side_s16
;
77 case SIDE_ATTR_TYPE_S32
:
78 val
= attr
->value
.u
.integer_value
.side_s32
;
80 case SIDE_ATTR_TYPE_S64
:
81 val
= attr
->value
.u
.integer_value
.side_s64
;
84 fprintf(stderr
, "Unexpected attribute type\n");
91 enum tracer_display_base
get_attr_display_base(const struct side_attr
*_attr
, uint32_t nr_attr
,
92 enum tracer_display_base default_base
)
96 for (i
= 0; i
< nr_attr
; i
++) {
97 const struct side_attr
*attr
= &_attr
[i
];
99 if (!strcmp(attr
->key
, "std.integer.base")) {
100 int64_t val
= get_attr_integer_value(attr
);
104 return TRACER_DISPLAY_BASE_2
;
106 return TRACER_DISPLAY_BASE_8
;
108 return TRACER_DISPLAY_BASE_10
;
110 return TRACER_DISPLAY_BASE_16
;
112 fprintf(stderr
, "Unexpected integer display base: %" PRId64
"\n", val
);
117 return default_base
; /* Default */
121 bool type_to_host_reverse_bo(const struct side_type
*type_desc
)
123 switch (type_desc
->type
) {
134 case SIDE_TYPE_POINTER
:
135 if (type_desc
->u
.side_integer
.byte_order
!= SIDE_TYPE_BYTE_ORDER_HOST
)
140 case SIDE_TYPE_FLOAT_BINARY16
:
141 case SIDE_TYPE_FLOAT_BINARY32
:
142 case SIDE_TYPE_FLOAT_BINARY64
:
143 case SIDE_TYPE_FLOAT_BINARY128
:
144 if (type_desc
->u
.side_float
.byte_order
!= SIDE_TYPE_FLOAT_WORD_ORDER_HOST
)
150 fprintf(stderr
, "Unexpected type\n");
156 void tracer_print_attr_type(const char *separator
, const struct side_attr
*attr
)
158 printf("{ key%s \"%s\", value%s ", separator
, attr
->key
, separator
);
159 switch (attr
->value
.type
) {
160 case SIDE_ATTR_TYPE_BOOL
:
161 printf("%s", attr
->value
.u
.bool_value
? "true" : "false");
163 case SIDE_ATTR_TYPE_U8
:
164 printf("%" PRIu8
, attr
->value
.u
.integer_value
.side_u8
);
166 case SIDE_ATTR_TYPE_U16
:
167 printf("%" PRIu16
, attr
->value
.u
.integer_value
.side_u16
);
169 case SIDE_ATTR_TYPE_U32
:
170 printf("%" PRIu32
, attr
->value
.u
.integer_value
.side_u32
);
172 case SIDE_ATTR_TYPE_U64
:
173 printf("%" PRIu64
, attr
->value
.u
.integer_value
.side_u64
);
175 case SIDE_ATTR_TYPE_S8
:
176 printf("%" PRId8
, attr
->value
.u
.integer_value
.side_s8
);
178 case SIDE_ATTR_TYPE_S16
:
179 printf("%" PRId16
, attr
->value
.u
.integer_value
.side_s16
);
181 case SIDE_ATTR_TYPE_S32
:
182 printf("%" PRId32
, attr
->value
.u
.integer_value
.side_s32
);
184 case SIDE_ATTR_TYPE_S64
:
185 printf("%" PRId64
, attr
->value
.u
.integer_value
.side_s64
);
187 case SIDE_ATTR_TYPE_FLOAT_BINARY16
:
189 printf("%g", (double) attr
->value
.u
.float_value
.side_float_binary16
);
192 fprintf(stderr
, "ERROR: Unsupported binary16 float type\n");
195 case SIDE_ATTR_TYPE_FLOAT_BINARY32
:
197 printf("%g", (double) attr
->value
.u
.float_value
.side_float_binary32
);
200 fprintf(stderr
, "ERROR: Unsupported binary32 float type\n");
203 case SIDE_ATTR_TYPE_FLOAT_BINARY64
:
205 printf("%g", (double) attr
->value
.u
.float_value
.side_float_binary64
);
208 fprintf(stderr
, "ERROR: Unsupported binary64 float type\n");
211 case SIDE_ATTR_TYPE_FLOAT_BINARY128
:
213 printf("%Lg", (long double) attr
->value
.u
.float_value
.side_float_binary128
);
216 fprintf(stderr
, "ERROR: Unsupported binary128 float type\n");
219 case SIDE_ATTR_TYPE_STRING
:
220 printf("\"%s\"", (const char *)(uintptr_t) attr
->value
.u
.string_value
);
223 fprintf(stderr
, "ERROR: <UNKNOWN ATTRIBUTE TYPE>");
230 void print_attributes(const char *prefix_str
, const char *separator
,
231 const struct side_attr
*attr
, uint32_t nr_attr
)
237 printf("%s%s [ ", prefix_str
, separator
);
238 for (i
= 0; i
< nr_attr
; i
++) {
239 printf("%s", i
? ", " : "");
240 tracer_print_attr_type(separator
, &attr
[i
]);
246 void print_enum(const struct side_type
*type_desc
, const struct side_arg
*item
)
248 const struct side_enum_mappings
*mappings
= type_desc
->u
.side_enum
.mappings
;
249 const struct side_type
*elem_type
= type_desc
->u
.side_enum
.elem_type
;
250 uint32_t i
, print_count
= 0;
253 if (elem_type
->type
!= item
->type
) {
254 fprintf(stderr
, "ERROR: Unexpected enum element type\n");
257 switch (item
->type
) {
259 value
= (int64_t) item
->u
.side_static
.integer_value
.side_u8
;
265 v
= item
->u
.side_static
.integer_value
.side_u16
;
266 if (type_to_host_reverse_bo(elem_type
))
267 v
= side_bswap_16(v
);
275 v
= item
->u
.side_static
.integer_value
.side_u32
;
276 if (type_to_host_reverse_bo(elem_type
))
277 v
= side_bswap_32(v
);
285 v
= item
->u
.side_static
.integer_value
.side_u64
;
286 if (type_to_host_reverse_bo(elem_type
))
287 v
= side_bswap_64(v
);
292 value
= (int64_t) item
->u
.side_static
.integer_value
.side_s8
;
298 v
= item
->u
.side_static
.integer_value
.side_s16
;
299 if (type_to_host_reverse_bo(elem_type
))
300 v
= side_bswap_16(v
);
308 v
= item
->u
.side_static
.integer_value
.side_s32
;
309 if (type_to_host_reverse_bo(elem_type
))
310 v
= side_bswap_32(v
);
318 v
= item
->u
.side_static
.integer_value
.side_s64
;
319 if (type_to_host_reverse_bo(elem_type
))
320 v
= side_bswap_64(v
);
325 fprintf(stderr
, "ERROR: Unexpected enum element type\n");
328 print_attributes("attr", ":", mappings
->attr
, mappings
->nr_attr
);
329 printf("%s", mappings
->nr_attr
? ", " : "");
330 tracer_print_type(type_desc
->u
.side_enum
.elem_type
, item
);
331 printf(", labels: [ ");
332 for (i
= 0; i
< mappings
->nr_mappings
; i
++) {
333 const struct side_enum_mapping
*mapping
= &mappings
->mappings
[i
];
335 if (mapping
->range_end
< mapping
->range_begin
) {
336 fprintf(stderr
, "ERROR: Unexpected enum range: %" PRIu64
"-%" PRIu64
"\n",
337 mapping
->range_begin
, mapping
->range_end
);
340 if (value
>= mapping
->range_begin
&& value
<= mapping
->range_end
) {
341 printf("%s", print_count
++ ? ", " : "");
342 printf("\"%s\"", mapping
->label
);
346 printf("<NO LABEL>");
351 uint32_t enum_elem_type_to_stride(const struct side_type
*elem_type
)
355 switch (elem_type
->type
) {
356 case SIDE_TYPE_U8
: /* Fall-through */
370 fprintf(stderr
, "ERROR: Unexpected enum element type\n");
377 void print_enum_bitmap(const struct side_type
*type_desc
,
378 const struct side_arg
*item
)
380 const struct side_type
*elem_type
= type_desc
->u
.side_enum_bitmap
.elem_type
;
381 const struct side_enum_bitmap_mappings
*side_enum_mappings
= type_desc
->u
.side_enum_bitmap
.mappings
;
382 uint32_t i
, print_count
= 0, stride_bit
, nr_items
;
383 bool reverse_byte_order
= false;
384 const struct side_arg
*array_item
;
386 switch (elem_type
->type
) {
387 case SIDE_TYPE_U8
: /* Fall-through */
388 case SIDE_TYPE_BYTE
: /* Fall-through */
389 case SIDE_TYPE_U16
: /* Fall-through */
390 case SIDE_TYPE_U32
: /* Fall-through */
392 stride_bit
= enum_elem_type_to_stride(elem_type
);
393 reverse_byte_order
= type_to_host_reverse_bo(elem_type
);
397 case SIDE_TYPE_ARRAY
:
398 stride_bit
= enum_elem_type_to_stride(elem_type
->u
.side_array
.elem_type
);
399 reverse_byte_order
= type_to_host_reverse_bo(elem_type
->u
.side_array
.elem_type
);
400 array_item
= item
->u
.side_static
.side_array
->sav
;
401 nr_items
= type_desc
->u
.side_array
.length
;
404 stride_bit
= enum_elem_type_to_stride(elem_type
->u
.side_vla
.elem_type
);
405 reverse_byte_order
= type_to_host_reverse_bo(elem_type
->u
.side_vla
.elem_type
);
406 array_item
= item
->u
.side_static
.side_vla
->sav
;
407 nr_items
= item
->u
.side_static
.side_vla
->len
;
410 fprintf(stderr
, "ERROR: Unexpected enum element type\n");
414 print_attributes("attr", ":", side_enum_mappings
->attr
, side_enum_mappings
->nr_attr
);
415 printf("%s", side_enum_mappings
->nr_attr
? ", " : "");
416 printf("labels: [ ");
417 for (i
= 0; i
< side_enum_mappings
->nr_mappings
; i
++) {
418 const struct side_enum_bitmap_mapping
*mapping
= &side_enum_mappings
->mappings
[i
];
422 if (mapping
->range_end
< mapping
->range_begin
) {
423 fprintf(stderr
, "ERROR: Unexpected enum bitmap range: %" PRIu64
"-%" PRIu64
"\n",
424 mapping
->range_begin
, mapping
->range_end
);
427 for (bit
= mapping
->range_begin
; bit
<= mapping
->range_end
; bit
++) {
428 if (bit
> (nr_items
* stride_bit
) - 1)
430 switch (stride_bit
) {
433 uint8_t v
= array_item
[bit
/ 8].u
.side_static
.integer_value
.side_u8
;
434 if (v
& (1ULL << (bit
% 8))) {
442 uint16_t v
= array_item
[bit
/ 16].u
.side_static
.integer_value
.side_u16
;
443 if (reverse_byte_order
)
444 v
= side_bswap_16(v
);
445 if (v
& (1ULL << (bit
% 16))) {
453 uint32_t v
= array_item
[bit
/ 32].u
.side_static
.integer_value
.side_u32
;
454 if (reverse_byte_order
)
455 v
= side_bswap_32(v
);
456 if (v
& (1ULL << (bit
% 32))) {
464 uint64_t v
= array_item
[bit
/ 64].u
.side_static
.integer_value
.side_u64
;
465 if (reverse_byte_order
)
466 v
= side_bswap_64(v
);
467 if (v
& (1ULL << (bit
% 64))) {
479 printf("%s", print_count
++ ? ", " : "");
480 printf("\"%s\"", mapping
->label
);
484 printf("<NO LABEL>");
489 void print_integer_binary(uint64_t v
, int bits
)
495 for (i
= 0; i
< bits
; i
++) {
496 printf("%c", v
& (1ULL << 63) ? '1' : '0');
502 void tracer_print_type_header(const char *separator
,
503 const struct side_attr
*attr
, uint32_t nr_attr
)
505 print_attributes("attr", separator
, attr
, nr_attr
);
506 printf("%s", nr_attr
? ", " : "");
507 printf("value%s ", separator
);
511 void tracer_print_type_bool(const char *separator
,
512 const struct side_type_bool
*type_bool
,
513 const union side_bool_value
*value
,
514 uint16_t offset_bits
)
520 if (!type_bool
->len_bits
)
521 len_bits
= type_bool
->bool_size
* CHAR_BIT
;
523 len_bits
= type_bool
->len_bits
;
524 if (len_bits
+ offset_bits
> type_bool
->bool_size
* CHAR_BIT
)
526 reverse_bo
= type_bool
->byte_order
!= SIDE_TYPE_BYTE_ORDER_HOST
;
527 switch (type_bool
->bool_size
) {
529 v
= value
->side_bool8
;
535 side_u16
= value
->side_bool16
;
537 side_u16
= side_bswap_16(side_u16
);
545 side_u32
= value
->side_bool32
;
547 side_u32
= side_bswap_32(side_u32
);
555 side_u64
= value
->side_bool64
;
557 side_u64
= side_bswap_64(side_u64
);
566 v
&= (1ULL << len_bits
) - 1;
567 tracer_print_type_header(separator
, type_bool
->attr
, type_bool
->nr_attr
);
568 printf("%s", v
? "true" : "false");
572 void tracer_print_type_integer(const char *separator
,
573 const struct side_type_integer
*type_integer
,
574 const union side_integer_value
*value
,
575 uint16_t offset_bits
,
576 enum tracer_display_base default_base
)
578 enum tracer_display_base base
;
586 if (!type_integer
->len_bits
)
587 len_bits
= type_integer
->integer_size
* CHAR_BIT
;
589 len_bits
= type_integer
->len_bits
;
590 if (len_bits
+ offset_bits
> type_integer
->integer_size
* CHAR_BIT
)
592 reverse_bo
= type_integer
->byte_order
!= SIDE_TYPE_BYTE_ORDER_HOST
;
593 base
= get_attr_display_base(type_integer
->attr
,
594 type_integer
->nr_attr
,
596 switch (type_integer
->integer_size
) {
598 if (type_integer
->signedness
)
599 v
.v_signed
= value
->side_s8
;
601 v
.v_unsigned
= value
->side_u8
;
604 if (type_integer
->signedness
) {
607 side_s16
= value
->side_s16
;
609 side_s16
= side_bswap_16(side_s16
);
610 v
.v_signed
= side_s16
;
614 side_u16
= value
->side_u16
;
616 side_u16
= side_bswap_16(side_u16
);
617 v
.v_unsigned
= side_u16
;
621 if (type_integer
->signedness
) {
624 side_s32
= value
->side_s32
;
626 side_s32
= side_bswap_32(side_s32
);
627 v
.v_signed
= side_s32
;
631 side_u32
= value
->side_u32
;
633 side_u32
= side_bswap_32(side_u32
);
634 v
.v_unsigned
= side_u32
;
638 if (type_integer
->signedness
) {
641 side_s64
= value
->side_s64
;
643 side_s64
= side_bswap_64(side_s64
);
644 v
.v_signed
= side_s64
;
648 side_u64
= value
->side_u64
;
650 side_u64
= side_bswap_64(side_u64
);
651 v
.v_unsigned
= side_u64
;
657 v
.v_unsigned
>>= offset_bits
;
659 v
.v_unsigned
&= (1ULL << len_bits
) - 1;
660 tracer_print_type_header(separator
, type_integer
->attr
, type_integer
->nr_attr
);
662 case TRACER_DISPLAY_BASE_2
:
663 print_integer_binary(v
.v_unsigned
, len_bits
);
665 case TRACER_DISPLAY_BASE_8
:
666 printf("0%" PRIo64
, v
.v_unsigned
);
668 case TRACER_DISPLAY_BASE_10
:
669 if (type_integer
->signedness
) {
672 if (v
.v_unsigned
& (1ULL << (len_bits
- 1)))
673 v
.v_unsigned
|= ~((1ULL << len_bits
) - 1);
675 printf("%" PRId64
, v
.v_signed
);
677 printf("%" PRIu64
, v
.v_unsigned
);
680 case TRACER_DISPLAY_BASE_16
:
681 printf("0x%" PRIx64
, v
.v_unsigned
);
689 void tracer_print_type_float(const char *separator
,
690 const struct side_type_float
*type_float
,
691 const union side_float_value
*value
)
695 reverse_bo
= type_float
->byte_order
!= SIDE_TYPE_FLOAT_WORD_ORDER_HOST
;
696 tracer_print_type_header(separator
, type_float
->attr
, type_float
->nr_attr
);
697 switch (type_float
->float_size
) {
705 .f
= value
->side_float_binary16
,
709 float16
.u
= side_bswap_16(float16
.u
);
710 tracer_print_type_header(":", type_desc
->u
.side_float
.attr
, type_desc
->u
.side_float
.nr_attr
);
711 printf("%g", (double) float16
.f
);
714 fprintf(stderr
, "ERROR: Unsupported binary16 float type\n");
725 .f
= value
->side_float_binary32
,
729 float32
.u
= side_bswap_32(float32
.u
);
730 printf("%g", (double) float32
.f
);
733 fprintf(stderr
, "ERROR: Unsupported binary32 float type\n");
744 .f
= value
->side_float_binary64
,
748 float64
.u
= side_bswap_64(float64
.u
);
749 printf("%g", (double) float64
.f
);
752 fprintf(stderr
, "ERROR: Unsupported binary64 float type\n");
763 .f
= value
->side_float_binary128
,
767 side_bswap_128p(float128
.arr
);
768 printf("%Lg", (long double) float128
.f
);
771 fprintf(stderr
, "ERROR: Unsupported binary128 float type\n");
776 fprintf(stderr
, "ERROR: Unknown float size\n");
782 void tracer_print_type(const struct side_type
*type_desc
, const struct side_arg
*item
)
784 enum side_type_label type
;
786 switch (type_desc
->type
) {
788 switch (item
->type
) {
799 fprintf(stderr
, "ERROR: type mismatch between description and arguments\n");
805 case SIDE_TYPE_ENUM_BITMAP
:
806 switch (item
->type
) {
812 case SIDE_TYPE_ARRAY
:
816 fprintf(stderr
, "ERROR: type mismatch between description and arguments\n");
822 case SIDE_TYPE_DYNAMIC
:
823 switch (item
->type
) {
824 case SIDE_TYPE_DYNAMIC_NULL
:
825 case SIDE_TYPE_DYNAMIC_BOOL
:
826 case SIDE_TYPE_DYNAMIC_INTEGER
:
827 case SIDE_TYPE_DYNAMIC_BYTE
:
828 case SIDE_TYPE_DYNAMIC_POINTER
:
829 case SIDE_TYPE_DYNAMIC_FLOAT
:
830 case SIDE_TYPE_DYNAMIC_STRING
:
831 case SIDE_TYPE_DYNAMIC_STRUCT
:
832 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR
:
833 case SIDE_TYPE_DYNAMIC_VLA
:
834 case SIDE_TYPE_DYNAMIC_VLA_VISITOR
:
837 fprintf(stderr
, "ERROR: Unexpected dynamic type\n");
844 if (type_desc
->type
!= item
->type
) {
845 fprintf(stderr
, "ERROR: type mismatch between description and arguments\n");
851 if (type_desc
->type
== SIDE_TYPE_ENUM
|| type_desc
->type
== SIDE_TYPE_ENUM_BITMAP
)
852 type
= (enum side_type_label
) type_desc
->type
;
854 type
= (enum side_type_label
) item
->type
;
859 tracer_print_type_header(":", type_desc
->u
.side_null
.attr
, type_desc
->u
.side_null
.nr_attr
);
860 printf("<NULL TYPE>");
864 tracer_print_type_bool(":", &type_desc
->u
.side_bool
, &item
->u
.side_static
.bool_value
, 0);
875 tracer_print_type_integer(":", &type_desc
->u
.side_integer
, &item
->u
.side_static
.integer_value
, 0,
876 TRACER_DISPLAY_BASE_10
);
879 case SIDE_TYPE_POINTER
:
880 tracer_print_type_integer(":", &type_desc
->u
.side_integer
, &item
->u
.side_static
.integer_value
, 0,
881 TRACER_DISPLAY_BASE_16
);
885 tracer_print_type_header(":", type_desc
->u
.side_byte
.attr
, type_desc
->u
.side_byte
.nr_attr
);
886 printf("0x%" PRIx8
, item
->u
.side_static
.byte_value
);
890 print_enum(type_desc
, item
);
893 case SIDE_TYPE_ENUM_BITMAP
:
894 print_enum_bitmap(type_desc
, item
);
897 case SIDE_TYPE_FLOAT_BINARY16
:
898 case SIDE_TYPE_FLOAT_BINARY32
:
899 case SIDE_TYPE_FLOAT_BINARY64
:
900 case SIDE_TYPE_FLOAT_BINARY128
:
901 tracer_print_type_float(":", &type_desc
->u
.side_float
, &item
->u
.side_static
.float_value
);
904 case SIDE_TYPE_STRING
:
905 tracer_print_type_header(":", type_desc
->u
.side_string
.attr
, type_desc
->u
.side_string
.nr_attr
);
906 printf("\"%s\"", (const char *)(uintptr_t) item
->u
.side_static
.string_value
);
908 case SIDE_TYPE_STRUCT
:
909 tracer_print_struct(type_desc
, item
->u
.side_static
.side_struct
);
911 case SIDE_TYPE_GATHER_STRUCT
:
912 (void) tracer_print_gather_struct(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_struct_gather_ptr
);
914 case SIDE_TYPE_GATHER_ARRAY
:
915 (void) tracer_print_gather_array(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_array_gather_ptr
);
917 case SIDE_TYPE_GATHER_VLA
:
918 (void) tracer_print_gather_vla(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_vla_gather
.ptr
,
919 item
->u
.side_static
.side_vla_gather
.length_ptr
);
921 case SIDE_TYPE_GATHER_BOOL
:
922 (void) tracer_print_gather_bool_type(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_bool_gather_ptr
);
924 case SIDE_TYPE_GATHER_BYTE
:
925 (void) tracer_print_gather_byte_type(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_byte_gather_ptr
);
927 case SIDE_TYPE_GATHER_POINTER
:
928 (void) tracer_print_gather_integer_type(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_integer_gather_ptr
,
929 TRACER_DISPLAY_BASE_16
);
931 case SIDE_TYPE_GATHER_INTEGER
:
932 (void) tracer_print_gather_integer_type(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_integer_gather_ptr
,
933 TRACER_DISPLAY_BASE_10
);
935 case SIDE_TYPE_GATHER_FLOAT
:
936 (void) tracer_print_gather_float_type(&type_desc
->u
.side_gather
, item
->u
.side_static
.side_float_gather_ptr
);
938 case SIDE_TYPE_ARRAY
:
939 tracer_print_array(type_desc
, item
->u
.side_static
.side_array
);
942 tracer_print_vla(type_desc
, item
->u
.side_static
.side_vla
);
944 case SIDE_TYPE_VLA_VISITOR
:
945 tracer_print_vla_visitor(type_desc
, item
->u
.side_static
.side_vla_app_visitor_ctx
);
949 case SIDE_TYPE_DYNAMIC_NULL
:
950 case SIDE_TYPE_DYNAMIC_BOOL
:
951 case SIDE_TYPE_DYNAMIC_INTEGER
:
952 case SIDE_TYPE_DYNAMIC_BYTE
:
953 case SIDE_TYPE_DYNAMIC_POINTER
:
954 case SIDE_TYPE_DYNAMIC_FLOAT
:
955 case SIDE_TYPE_DYNAMIC_STRING
:
956 case SIDE_TYPE_DYNAMIC_STRUCT
:
957 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR
:
958 case SIDE_TYPE_DYNAMIC_VLA
:
959 case SIDE_TYPE_DYNAMIC_VLA_VISITOR
:
960 tracer_print_dynamic(item
);
963 fprintf(stderr
, "<UNKNOWN TYPE>\n");
970 void tracer_print_field(const struct side_event_field
*item_desc
, const struct side_arg
*item
)
972 printf("%s: ", item_desc
->field_name
);
973 tracer_print_type(&item_desc
->side_type
, item
);
977 void tracer_print_struct(const struct side_type
*type_desc
, const struct side_arg_vec
*side_arg_vec
)
979 const struct side_arg
*sav
= side_arg_vec
->sav
;
980 uint32_t i
, side_sav_len
= side_arg_vec
->len
;
982 if (type_desc
->u
.side_struct
->nr_fields
!= side_sav_len
) {
983 fprintf(stderr
, "ERROR: number of fields mismatch between description and arguments of structure\n");
986 print_attributes("attr", ":", type_desc
->u
.side_struct
->attr
, type_desc
->u
.side_struct
->nr_attr
);
987 printf("%s", type_desc
->u
.side_struct
->nr_attr
? ", " : "");
988 printf("fields: { ");
989 for (i
= 0; i
< side_sav_len
; i
++) {
990 printf("%s", i
? ", " : "");
991 tracer_print_field(&type_desc
->u
.side_struct
->fields
[i
], &sav
[i
]);
997 void tracer_print_array(const struct side_type
*type_desc
, const struct side_arg_vec
*side_arg_vec
)
999 const struct side_arg
*sav
= side_arg_vec
->sav
;
1000 uint32_t i
, side_sav_len
= side_arg_vec
->len
;
1002 if (type_desc
->u
.side_array
.length
!= side_sav_len
) {
1003 fprintf(stderr
, "ERROR: length mismatch between description and arguments of array\n");
1006 print_attributes("attr", ":", type_desc
->u
.side_array
.attr
, type_desc
->u
.side_array
.nr_attr
);
1007 printf("%s", type_desc
->u
.side_array
.nr_attr
? ", " : "");
1008 printf("elements: ");
1010 for (i
= 0; i
< side_sav_len
; i
++) {
1011 printf("%s", i
? ", " : "");
1012 tracer_print_type(type_desc
->u
.side_array
.elem_type
, &sav
[i
]);
1018 void tracer_print_vla(const struct side_type
*type_desc
, const struct side_arg_vec
*side_arg_vec
)
1020 const struct side_arg
*sav
= side_arg_vec
->sav
;
1021 uint32_t i
, side_sav_len
= side_arg_vec
->len
;
1023 print_attributes("attr", ":", type_desc
->u
.side_vla
.attr
, type_desc
->u
.side_vla
.nr_attr
);
1024 printf("%s", type_desc
->u
.side_vla
.nr_attr
? ", " : "");
1025 printf("elements: ");
1027 for (i
= 0; i
< side_sav_len
; i
++) {
1028 printf("%s", i
? ", " : "");
1029 tracer_print_type(type_desc
->u
.side_vla
.elem_type
, &sav
[i
]);
1035 const char *tracer_gather_access(enum side_type_gather_access_mode access_mode
, const char *ptr
)
1037 switch (access_mode
) {
1038 case SIDE_TYPE_GATHER_ACCESS_DIRECT
:
1040 case SIDE_TYPE_GATHER_ACCESS_POINTER
:
1041 /* Dereference pointer */
1042 memcpy(&ptr
, ptr
, sizeof(ptr
));
1050 uint32_t tracer_gather_size(enum side_type_gather_access_mode access_mode
, uint32_t len
)
1052 switch (access_mode
) {
1053 case SIDE_TYPE_GATHER_ACCESS_DIRECT
:
1055 case SIDE_TYPE_GATHER_ACCESS_POINTER
:
1056 return sizeof(void *);
1063 uint64_t tracer_load_gather_integer_type(const struct side_type_gather
*type_gather
, const void *_ptr
)
1065 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_integer
.access_mode
;
1066 uint32_t integer_size_bytes
= type_gather
->u
.side_integer
.type
.integer_size
;
1067 const char *ptr
= (const char *) _ptr
;
1068 union side_integer_value value
;
1070 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_integer
.offset
);
1071 memcpy(&value
, ptr
, integer_size_bytes
);
1072 switch (type_gather
->u
.side_integer
.type
.integer_size
) {
1074 return (uint64_t) value
.side_u8
;
1076 return (uint64_t) value
.side_u16
;
1078 return (uint64_t) value
.side_u32
;
1080 return (uint64_t) value
.side_u64
;
1087 uint32_t tracer_print_gather_bool_type(const struct side_type_gather
*type_gather
, const void *_ptr
)
1089 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_bool
.access_mode
;
1090 uint32_t bool_size_bytes
= type_gather
->u
.side_bool
.type
.bool_size
;
1091 const char *ptr
= (const char *) _ptr
;
1092 union side_bool_value value
;
1094 switch (bool_size_bytes
) {
1103 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_bool
.offset
);
1104 memcpy(&value
, ptr
, bool_size_bytes
);
1105 tracer_print_type_bool(":", &type_gather
->u
.side_bool
.type
, &value
,
1106 type_gather
->u
.side_bool
.offset_bits
);
1107 return tracer_gather_size(access_mode
, bool_size_bytes
);
1111 uint32_t tracer_print_gather_byte_type(const struct side_type_gather
*type_gather
, const void *_ptr
)
1113 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_byte
.access_mode
;
1114 const char *ptr
= (const char *) _ptr
;
1117 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_byte
.offset
);
1118 memcpy(&value
, ptr
, 1);
1119 tracer_print_type_header(":", type_gather
->u
.side_byte
.type
.attr
,
1120 type_gather
->u
.side_byte
.type
.nr_attr
);
1121 printf("0x%" PRIx8
, value
);
1122 return tracer_gather_size(access_mode
, 1);
1126 uint32_t tracer_print_gather_integer_type(const struct side_type_gather
*type_gather
, const void *_ptr
,
1127 enum tracer_display_base default_base
)
1129 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_integer
.access_mode
;
1130 uint32_t integer_size_bytes
= type_gather
->u
.side_integer
.type
.integer_size
;
1131 const char *ptr
= (const char *) _ptr
;
1132 union side_integer_value value
;
1134 switch (integer_size_bytes
) {
1143 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_integer
.offset
);
1144 memcpy(&value
, ptr
, integer_size_bytes
);
1145 tracer_print_type_integer(":", &type_gather
->u
.side_integer
.type
, &value
,
1146 type_gather
->u
.side_integer
.offset_bits
, default_base
);
1147 return tracer_gather_size(access_mode
, integer_size_bytes
);
1151 uint32_t tracer_print_gather_float_type(const struct side_type_gather
*type_gather
, const void *_ptr
)
1153 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_float
.access_mode
;
1154 uint32_t float_size_bytes
= type_gather
->u
.side_float
.type
.float_size
;
1155 const char *ptr
= (const char *) _ptr
;
1156 union side_float_value value
;
1158 switch (float_size_bytes
) {
1167 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_float
.offset
);
1168 memcpy(&value
, ptr
, float_size_bytes
);
1169 tracer_print_type_float(":", &type_gather
->u
.side_float
.type
, &value
);
1170 return tracer_gather_size(access_mode
, float_size_bytes
);
1174 uint32_t tracer_print_gather_type(const struct side_type
*type_desc
, const void *ptr
)
1179 switch (type_desc
->type
) {
1180 case SIDE_TYPE_GATHER_BOOL
:
1181 len
= tracer_print_gather_bool_type(&type_desc
->u
.side_gather
, ptr
);
1183 case SIDE_TYPE_GATHER_BYTE
:
1184 len
= tracer_print_gather_byte_type(&type_desc
->u
.side_gather
, ptr
);
1186 case SIDE_TYPE_GATHER_POINTER
:
1187 len
= tracer_print_gather_integer_type(&type_desc
->u
.side_gather
, ptr
,
1188 TRACER_DISPLAY_BASE_16
);
1190 case SIDE_TYPE_GATHER_INTEGER
:
1191 len
= tracer_print_gather_integer_type(&type_desc
->u
.side_gather
, ptr
,
1192 TRACER_DISPLAY_BASE_10
);
1194 case SIDE_TYPE_GATHER_FLOAT
:
1195 len
= tracer_print_gather_float_type(&type_desc
->u
.side_gather
, ptr
);
1197 case SIDE_TYPE_GATHER_STRUCT
:
1198 len
= tracer_print_gather_struct(&type_desc
->u
.side_gather
, ptr
);
1200 case SIDE_TYPE_GATHER_ARRAY
:
1201 len
= tracer_print_gather_array(&type_desc
->u
.side_gather
, ptr
);
1203 case SIDE_TYPE_GATHER_VLA
:
1204 len
= tracer_print_gather_vla(&type_desc
->u
.side_gather
, ptr
, ptr
);
1207 fprintf(stderr
, "<UNKNOWN GATHER TYPE>");
1215 void tracer_print_gather_field(const struct side_event_field
*field
, const void *ptr
)
1217 printf("%s: ", field
->field_name
);
1218 (void) tracer_print_gather_type(&field
->side_type
, ptr
);
1222 uint32_t tracer_print_gather_struct(const struct side_type_gather
*type_gather
, const void *_ptr
)
1224 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_struct
.access_mode
;
1225 const char *ptr
= (const char *) _ptr
;
1228 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_struct
.offset
);
1229 print_attributes("attr", ":", type_gather
->u
.side_struct
.type
->attr
, type_gather
->u
.side_struct
.type
->nr_attr
);
1230 printf("%s", type_gather
->u
.side_struct
.type
->nr_attr
? ", " : "");
1231 printf("fields: { ");
1232 for (i
= 0; i
< type_gather
->u
.side_struct
.type
->nr_fields
; i
++) {
1233 printf("%s", i
? ", " : "");
1234 tracer_print_gather_field(&type_gather
->u
.side_struct
.type
->fields
[i
], ptr
);
1237 return tracer_gather_size(access_mode
, type_gather
->u
.side_struct
.size
);
1241 uint32_t tracer_print_gather_array(const struct side_type_gather
*type_gather
, const void *_ptr
)
1243 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_array
.access_mode
;
1244 const char *ptr
= (const char *) _ptr
, *orig_ptr
;
1247 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_array
.offset
);
1249 print_attributes("attr", ":", type_gather
->u
.side_array
.type
.attr
, type_gather
->u
.side_array
.type
.nr_attr
);
1250 printf("%s", type_gather
->u
.side_array
.type
.nr_attr
? ", " : "");
1251 printf("elements: ");
1253 for (i
= 0; i
< type_gather
->u
.side_array
.type
.length
; i
++) {
1254 switch (type_gather
->u
.side_array
.type
.elem_type
->type
) {
1255 case SIDE_TYPE_GATHER_VLA
:
1256 fprintf(stderr
, "<gather VLA only supported within gather structures>\n");
1261 printf("%s", i
? ", " : "");
1262 ptr
+= tracer_print_gather_type(type_gather
->u
.side_array
.type
.elem_type
, ptr
);
1265 return tracer_gather_size(access_mode
, ptr
- orig_ptr
);
1269 uint32_t tracer_print_gather_vla(const struct side_type_gather
*type_gather
, const void *_ptr
,
1270 const void *_length_ptr
)
1272 enum side_type_gather_access_mode access_mode
= type_gather
->u
.side_vla
.access_mode
;
1273 const char *ptr
= (const char *) _ptr
, *orig_ptr
;
1274 const char *length_ptr
= (const char *) _length_ptr
;
1278 switch (type_gather
->u
.side_vla
.length_type
->type
) {
1279 case SIDE_TYPE_GATHER_INTEGER
:
1282 fprintf(stderr
, "<gather VLA expects integer gather length type>\n");
1285 length
= (uint32_t) tracer_load_gather_integer_type(&type_gather
->u
.side_vla
.length_type
->u
.side_gather
, length_ptr
);
1286 ptr
= tracer_gather_access(access_mode
, ptr
+ type_gather
->u
.side_vla
.offset
);
1288 print_attributes("attr", ":", type_gather
->u
.side_vla
.type
.attr
, type_gather
->u
.side_vla
.type
.nr_attr
);
1289 printf("%s", type_gather
->u
.side_vla
.type
.nr_attr
? ", " : "");
1290 printf("elements: ");
1292 for (i
= 0; i
< length
; i
++) {
1293 switch (type_gather
->u
.side_vla
.type
.elem_type
->type
) {
1294 case SIDE_TYPE_GATHER_VLA
:
1295 fprintf(stderr
, "<gather VLA only supported within gather structures>\n");
1300 printf("%s", i
? ", " : "");
1301 ptr
+= tracer_print_gather_type(type_gather
->u
.side_vla
.type
.elem_type
, ptr
);
1304 return tracer_gather_size(access_mode
, ptr
- orig_ptr
);
1307 struct tracer_visitor_priv
{
1308 const struct side_type
*elem_type
;
1313 enum side_visitor_status
tracer_write_elem_cb(const struct side_tracer_visitor_ctx
*tracer_ctx
,
1314 const struct side_arg
*elem
)
1316 struct tracer_visitor_priv
*tracer_priv
= (struct tracer_visitor_priv
*) tracer_ctx
->priv
;
1318 printf("%s", tracer_priv
->i
++ ? ", " : "");
1319 tracer_print_type(tracer_priv
->elem_type
, elem
);
1320 return SIDE_VISITOR_STATUS_OK
;
1324 void tracer_print_vla_visitor(const struct side_type
*type_desc
, void *app_ctx
)
1326 enum side_visitor_status status
;
1327 struct tracer_visitor_priv tracer_priv
= {
1328 .elem_type
= type_desc
->u
.side_vla_visitor
.elem_type
,
1331 const struct side_tracer_visitor_ctx tracer_ctx
= {
1332 .write_elem
= tracer_write_elem_cb
,
1333 .priv
= &tracer_priv
,
1336 print_attributes("attr", ":", type_desc
->u
.side_vla_visitor
.attr
, type_desc
->u
.side_vla_visitor
.nr_attr
);
1337 printf("%s", type_desc
->u
.side_vla_visitor
.nr_attr
? ", " : "");
1338 printf("elements: ");
1340 status
= type_desc
->u
.side_vla_visitor
.visitor(&tracer_ctx
, app_ctx
);
1342 case SIDE_VISITOR_STATUS_OK
:
1344 case SIDE_VISITOR_STATUS_ERROR
:
1345 fprintf(stderr
, "ERROR: Visitor error\n");
1352 void tracer_print_dynamic_struct(const struct side_arg_dynamic_struct
*dynamic_struct
)
1354 const struct side_arg_dynamic_field
*fields
= dynamic_struct
->fields
;
1355 uint32_t i
, len
= dynamic_struct
->len
;
1357 print_attributes("attr", "::", dynamic_struct
->attr
, dynamic_struct
->nr_attr
);
1358 printf("%s", dynamic_struct
->nr_attr
? ", " : "");
1359 printf("fields:: ");
1361 for (i
= 0; i
< len
; i
++) {
1362 printf("%s", i
? ", " : "");
1363 printf("%s:: ", fields
[i
].field_name
);
1364 tracer_print_dynamic(&fields
[i
].elem
);
1369 struct tracer_dynamic_struct_visitor_priv
{
1374 enum side_visitor_status
tracer_dynamic_struct_write_elem_cb(
1375 const struct side_tracer_dynamic_struct_visitor_ctx
*tracer_ctx
,
1376 const struct side_arg_dynamic_field
*dynamic_field
)
1378 struct tracer_dynamic_struct_visitor_priv
*tracer_priv
=
1379 (struct tracer_dynamic_struct_visitor_priv
*) tracer_ctx
->priv
;
1381 printf("%s", tracer_priv
->i
++ ? ", " : "");
1382 printf("%s:: ", dynamic_field
->field_name
);
1383 tracer_print_dynamic(&dynamic_field
->elem
);
1384 return SIDE_VISITOR_STATUS_OK
;
1388 void tracer_print_dynamic_struct_visitor(const struct side_arg
*item
)
1390 enum side_visitor_status status
;
1391 struct tracer_dynamic_struct_visitor_priv tracer_priv
= {
1394 const struct side_tracer_dynamic_struct_visitor_ctx tracer_ctx
= {
1395 .write_field
= tracer_dynamic_struct_write_elem_cb
,
1396 .priv
= &tracer_priv
,
1398 void *app_ctx
= item
->u
.side_dynamic
.side_dynamic_struct_visitor
.app_ctx
;
1400 print_attributes("attr", "::", item
->u
.side_dynamic
.side_dynamic_struct_visitor
.attr
, item
->u
.side_dynamic
.side_dynamic_struct_visitor
.nr_attr
);
1401 printf("%s", item
->u
.side_dynamic
.side_dynamic_struct_visitor
.nr_attr
? ", " : "");
1402 printf("fields:: ");
1404 status
= item
->u
.side_dynamic
.side_dynamic_struct_visitor
.visitor(&tracer_ctx
, app_ctx
);
1406 case SIDE_VISITOR_STATUS_OK
:
1408 case SIDE_VISITOR_STATUS_ERROR
:
1409 fprintf(stderr
, "ERROR: Visitor error\n");
1416 void tracer_print_dynamic_vla(const struct side_arg_dynamic_vla
*vla
)
1418 const struct side_arg
*sav
= vla
->sav
;
1419 uint32_t i
, side_sav_len
= vla
->len
;
1421 print_attributes("attr", "::", vla
->attr
, vla
->nr_attr
);
1422 printf("%s", vla
->nr_attr
? ", " : "");
1423 printf("elements:: ");
1425 for (i
= 0; i
< side_sav_len
; i
++) {
1426 printf("%s", i
? ", " : "");
1427 tracer_print_dynamic(&sav
[i
]);
1432 struct tracer_dynamic_vla_visitor_priv
{
1437 enum side_visitor_status
tracer_dynamic_vla_write_elem_cb(
1438 const struct side_tracer_visitor_ctx
*tracer_ctx
,
1439 const struct side_arg
*elem
)
1441 struct tracer_dynamic_vla_visitor_priv
*tracer_priv
=
1442 (struct tracer_dynamic_vla_visitor_priv
*) tracer_ctx
->priv
;
1444 printf("%s", tracer_priv
->i
++ ? ", " : "");
1445 tracer_print_dynamic(elem
);
1446 return SIDE_VISITOR_STATUS_OK
;
1450 void tracer_print_dynamic_vla_visitor(const struct side_arg
*item
)
1452 enum side_visitor_status status
;
1453 struct tracer_dynamic_vla_visitor_priv tracer_priv
= {
1456 const struct side_tracer_visitor_ctx tracer_ctx
= {
1457 .write_elem
= tracer_dynamic_vla_write_elem_cb
,
1458 .priv
= &tracer_priv
,
1460 void *app_ctx
= item
->u
.side_dynamic
.side_dynamic_vla_visitor
.app_ctx
;
1462 print_attributes("attr", "::", item
->u
.side_dynamic
.side_dynamic_vla_visitor
.attr
, item
->u
.side_dynamic
.side_dynamic_vla_visitor
.nr_attr
);
1463 printf("%s", item
->u
.side_dynamic
.side_dynamic_vla_visitor
.nr_attr
? ", " : "");
1464 printf("elements:: ");
1466 status
= item
->u
.side_dynamic
.side_dynamic_vla_visitor
.visitor(&tracer_ctx
, app_ctx
);
1468 case SIDE_VISITOR_STATUS_OK
:
1470 case SIDE_VISITOR_STATUS_ERROR
:
1471 fprintf(stderr
, "ERROR: Visitor error\n");
1478 void tracer_print_dynamic(const struct side_arg
*item
)
1481 switch (item
->type
) {
1482 case SIDE_TYPE_DYNAMIC_NULL
:
1483 tracer_print_type_header("::", item
->u
.side_dynamic
.side_null
.attr
, item
->u
.side_dynamic
.side_null
.nr_attr
);
1484 printf("<NULL TYPE>");
1487 case SIDE_TYPE_DYNAMIC_BOOL
:
1488 tracer_print_type_bool("::", &item
->u
.side_dynamic
.side_bool
.type
, &item
->u
.side_dynamic
.side_bool
.value
, 0);
1491 case SIDE_TYPE_DYNAMIC_INTEGER
:
1492 tracer_print_type_integer("::", &item
->u
.side_dynamic
.side_integer
.type
, &item
->u
.side_dynamic
.side_integer
.value
, 0,
1493 TRACER_DISPLAY_BASE_10
);
1495 case SIDE_TYPE_DYNAMIC_BYTE
:
1496 tracer_print_type_header("::", item
->u
.side_dynamic
.side_byte
.type
.attr
, item
->u
.side_dynamic
.side_byte
.type
.nr_attr
);
1497 printf("0x%" PRIx8
, item
->u
.side_dynamic
.side_byte
.value
);
1500 case SIDE_TYPE_DYNAMIC_POINTER
:
1501 tracer_print_type_integer("::", &item
->u
.side_dynamic
.side_integer
.type
, &item
->u
.side_dynamic
.side_integer
.value
, 0,
1502 TRACER_DISPLAY_BASE_16
);
1505 case SIDE_TYPE_DYNAMIC_FLOAT
:
1506 tracer_print_type_float("::", &item
->u
.side_dynamic
.side_float
.type
,
1507 &item
->u
.side_dynamic
.side_float
.value
);
1510 case SIDE_TYPE_DYNAMIC_STRING
:
1511 tracer_print_type_header("::", item
->u
.side_dynamic
.side_string
.type
.attr
, item
->u
.side_dynamic
.side_string
.type
.nr_attr
);
1512 printf("\"%s\"", (const char *)(uintptr_t) item
->u
.side_dynamic
.side_string
.value
);
1514 case SIDE_TYPE_DYNAMIC_STRUCT
:
1515 tracer_print_dynamic_struct(item
->u
.side_dynamic
.side_dynamic_struct
);
1517 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR
:
1518 tracer_print_dynamic_struct_visitor(item
);
1520 case SIDE_TYPE_DYNAMIC_VLA
:
1521 tracer_print_dynamic_vla(item
->u
.side_dynamic
.side_dynamic_vla
);
1523 case SIDE_TYPE_DYNAMIC_VLA_VISITOR
:
1524 tracer_print_dynamic_vla_visitor(item
);
1527 fprintf(stderr
, "<UNKNOWN TYPE>\n");
1534 void tracer_print_static_fields(const struct side_event_description
*desc
,
1535 const struct side_arg_vec
*side_arg_vec
,
1538 const struct side_arg
*sav
= side_arg_vec
->sav
;
1539 uint32_t i
, side_sav_len
= side_arg_vec
->len
;
1541 printf("provider: %s, event: %s", desc
->provider_name
, desc
->event_name
);
1542 if (desc
->nr_fields
!= side_sav_len
) {
1543 fprintf(stderr
, "ERROR: number of fields mismatch between description and arguments\n");
1546 print_attributes(", attr", ":", desc
->attr
, desc
->nr_attr
);
1547 printf("%s", side_sav_len
? ", fields: [ " : "");
1548 for (i
= 0; i
< side_sav_len
; i
++) {
1549 printf("%s", i
? ", " : "");
1550 tracer_print_field(&desc
->fields
[i
], &sav
[i
]);
1558 void tracer_call(const struct side_event_description
*desc
,
1559 const struct side_arg_vec
*side_arg_vec
,
1560 void *priv
__attribute__((unused
)))
1562 uint32_t nr_fields
= 0;
1564 tracer_print_static_fields(desc
, side_arg_vec
, &nr_fields
);
1568 void tracer_call_variadic(const struct side_event_description
*desc
,
1569 const struct side_arg_vec
*side_arg_vec
,
1570 const struct side_arg_dynamic_struct
*var_struct
,
1571 void *priv
__attribute__((unused
)))
1573 uint32_t nr_fields
= 0, i
, var_struct_len
= var_struct
->len
;
1575 tracer_print_static_fields(desc
, side_arg_vec
, &nr_fields
);
1577 if (side_unlikely(!(desc
->flags
& SIDE_EVENT_FLAG_VARIADIC
))) {
1578 fprintf(stderr
, "ERROR: unexpected non-variadic event description\n");
1581 print_attributes(", attr ", "::", var_struct
->attr
, var_struct
->nr_attr
);
1582 printf("%s", var_struct_len
? ", fields:: [ " : "");
1583 for (i
= 0; i
< var_struct_len
; i
++, nr_fields
++) {
1584 printf("%s", i
? ", " : "");
1585 printf("%s:: ", var_struct
->fields
[i
].field_name
);
1586 tracer_print_dynamic(&var_struct
->fields
[i
].elem
);
1593 void tracer_event_notification(enum side_tracer_notification notif
,
1594 struct side_event_description
**events
, uint32_t nr_events
, void *priv
)
1599 printf("----------------------------------------------------------\n");
1600 printf("Tracer notified of events %s\n",
1601 notif
== SIDE_TRACER_NOTIFICATION_INSERT_EVENTS
? "inserted" : "removed");
1602 for (i
= 0; i
< nr_events
; i
++) {
1603 struct side_event_description
*event
= events
[i
];
1605 /* Skip NULL pointers */
1608 printf("provider: %s, event: %s\n",
1609 event
->provider_name
, event
->event_name
);
1610 if (notif
== SIDE_TRACER_NOTIFICATION_INSERT_EVENTS
) {
1611 if (event
->flags
& SIDE_EVENT_FLAG_VARIADIC
) {
1612 ret
= side_tracer_callback_variadic_register(event
, tracer_call_variadic
, NULL
);
1616 ret
= side_tracer_callback_register(event
, tracer_call
, NULL
);
1621 if (event
->flags
& SIDE_EVENT_FLAG_VARIADIC
) {
1622 ret
= side_tracer_callback_variadic_unregister(event
, tracer_call_variadic
, NULL
);
1626 ret
= side_tracer_callback_unregister(event
, tracer_call
, NULL
);
1632 printf("----------------------------------------------------------\n");
1635 static __attribute__((constructor
))
1636 void tracer_init(void);
1638 void tracer_init(void)
1640 tracer_handle
= side_tracer_event_notification_register(tracer_event_notification
, NULL
);
1645 static __attribute__((destructor
))
1646 void tracer_exit(void);
1648 void tracer_exit(void)
1650 side_tracer_event_notification_unregister(tracer_handle
);