#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
+#include <math.h>
#include <side/macros.h>
+#include <side/endian.h>
/* SIDE stands for "Static Instrumentation Dynamically Enabled" */
+//TODO: as those structures will be ABI, we need to either consider them
+//fixed forever, or think of a scheme that would allow their binary
+//representation to be extended if need be.
+
struct side_arg_vec;
struct side_arg_vec_description;
struct side_arg_dynamic_vec;
struct side_tracer_visitor_ctx;
struct side_tracer_dynamic_struct_visitor_ctx;
struct side_tracer_dynamic_vla_visitor_ctx;
+struct side_event_description;
+struct side_arg_dynamic_event_struct;
+struct side_events_register_handle;
enum side_type {
+ /* Basic types */
+ SIDE_TYPE_BOOL,
SIDE_TYPE_U8,
SIDE_TYPE_U16,
SIDE_TYPE_U32,
SIDE_TYPE_S16,
SIDE_TYPE_S32,
SIDE_TYPE_S64,
-
+ SIDE_TYPE_BYTE,
+ SIDE_TYPE_POINTER,
+ SIDE_TYPE_FLOAT_BINARY16,
+ SIDE_TYPE_FLOAT_BINARY32,
+ SIDE_TYPE_FLOAT_BINARY64,
+ SIDE_TYPE_FLOAT_BINARY128,
SIDE_TYPE_STRING,
+ /* Compound types */
SIDE_TYPE_STRUCT,
SIDE_TYPE_ARRAY,
SIDE_TYPE_VLA,
SIDE_TYPE_ARRAY_S16,
SIDE_TYPE_ARRAY_S32,
SIDE_TYPE_ARRAY_S64,
+ SIDE_TYPE_ARRAY_BYTE,
+ SIDE_TYPE_ARRAY_POINTER,
SIDE_TYPE_VLA_U8,
SIDE_TYPE_VLA_U16,
SIDE_TYPE_VLA_S16,
SIDE_TYPE_VLA_S32,
SIDE_TYPE_VLA_S64,
+ SIDE_TYPE_VLA_BYTE,
+ SIDE_TYPE_VLA_POINTER,
+
+ /* Enumeration types */
+ SIDE_TYPE_ENUM,
+ SIDE_TYPE_ENUM_BITMAP,
+ /* Dynamic type */
SIDE_TYPE_DYNAMIC,
};
enum side_dynamic_type {
+ /* Basic types */
SIDE_DYNAMIC_TYPE_NULL,
-
+ SIDE_DYNAMIC_TYPE_BOOL,
SIDE_DYNAMIC_TYPE_U8,
SIDE_DYNAMIC_TYPE_U16,
SIDE_DYNAMIC_TYPE_U32,
SIDE_DYNAMIC_TYPE_S16,
SIDE_DYNAMIC_TYPE_S32,
SIDE_DYNAMIC_TYPE_S64,
-
+ SIDE_DYNAMIC_TYPE_BYTE,
+ SIDE_DYNAMIC_TYPE_POINTER,
+ SIDE_DYNAMIC_TYPE_FLOAT_BINARY16,
+ SIDE_DYNAMIC_TYPE_FLOAT_BINARY32,
+ SIDE_DYNAMIC_TYPE_FLOAT_BINARY64,
+ SIDE_DYNAMIC_TYPE_FLOAT_BINARY128,
SIDE_DYNAMIC_TYPE_STRING,
+ /* Compound types */
SIDE_DYNAMIC_TYPE_STRUCT,
SIDE_DYNAMIC_TYPE_STRUCT_VISITOR,
-
SIDE_DYNAMIC_TYPE_VLA,
SIDE_DYNAMIC_TYPE_VLA_VISITOR,
};
+enum side_attr_type {
+ SIDE_ATTR_TYPE_NULL,
+ SIDE_ATTR_TYPE_BOOL,
+ SIDE_ATTR_TYPE_U8,
+ SIDE_ATTR_TYPE_U16,
+ SIDE_ATTR_TYPE_U32,
+ SIDE_ATTR_TYPE_U64,
+ SIDE_ATTR_TYPE_S8,
+ SIDE_ATTR_TYPE_S16,
+ SIDE_ATTR_TYPE_S32,
+ SIDE_ATTR_TYPE_S64,
+ SIDE_ATTR_TYPE_POINTER,
+ SIDE_ATTR_TYPE_FLOAT_BINARY16,
+ SIDE_ATTR_TYPE_FLOAT_BINARY32,
+ SIDE_ATTR_TYPE_FLOAT_BINARY64,
+ SIDE_ATTR_TYPE_FLOAT_BINARY128,
+ SIDE_ATTR_TYPE_STRING,
+};
+
enum side_loglevel {
SIDE_LOGLEVEL_EMERG = 0,
SIDE_LOGLEVEL_ALERT = 1,
SIDE_VISITOR_STATUS_ERROR = -1,
};
-typedef enum side_visitor_status (*side_visitor)(const struct side_tracer_visitor_ctx *tracer_ctx,
- void *app_ctx);
-typedef enum side_visitor_status (*side_dynamic_struct_visitor)(const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
- void *app_ctx);
-typedef enum side_visitor_status (*side_dynamic_vla_visitor)(const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
- void *app_ctx);
+enum side_error {
+ SIDE_ERROR_OK = 0,
+ SIDE_ERROR_INVAL = 1,
+ SIDE_ERROR_EXIST = 2,
+ SIDE_ERROR_NOMEM = 3,
+ SIDE_ERROR_NOENT = 4,
+ SIDE_ERROR_EXITING = 5,
+};
+
+enum side_type_byte_order {
+ SIDE_TYPE_BYTE_ORDER_LE = 0,
+ SIDE_TYPE_BYTE_ORDER_BE = 1,
+};
+
+#if (SIDE_BYTE_ORDER == SIDE_LITTLE_ENDIAN)
+# define SIDE_TYPE_BYTE_ORDER_HOST SIDE_TYPE_BYTE_ORDER_LE
+#else
+# define SIDE_TYPE_BYTE_ORDER_HOST SIDE_TYPE_BYTE_ORDER_BE
+#endif
+
+#if (SIDE_FLOAT_WORD_ORDER == SIDE_LITTLE_ENDIAN)
+# define SIDE_TYPE_FLOAT_WORD_ORDER_HOST SIDE_TYPE_BYTE_ORDER_LE
+#else
+# define SIDE_TYPE_FLOAT_WORD_ORDER_HOST SIDE_TYPE_BYTE_ORDER_BE
+#endif
+
+typedef enum side_visitor_status (*side_visitor)(
+ const struct side_tracer_visitor_ctx *tracer_ctx,
+ void *app_ctx);
+typedef enum side_visitor_status (*side_dynamic_struct_visitor)(
+ const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
+ void *app_ctx);
+typedef enum side_visitor_status (*side_dynamic_vla_visitor)(
+ const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
+ void *app_ctx);
+
+struct side_attr_value {
+ uint32_t type; /* enum side_attr_type */
+ union {
+ uint8_t side_bool;
+ uint8_t side_u8;
+ uint16_t side_u16;
+ uint32_t side_u32;
+ uint64_t side_u64;
+ int8_t side_s8;
+ int16_t side_s16;
+ int32_t side_s32;
+ int64_t side_s64;
+ uintptr_t side_pointer;
+#if __HAVE_FLOAT16
+ _Float16 side_float_binary16;
+#endif
+#if __HAVE_FLOAT32
+ _Float32 side_float_binary32;
+#endif
+#if __HAVE_FLOAT64
+ _Float64 side_float_binary64;
+#endif
+#if __HAVE_FLOAT128
+ _Float128 side_float_binary128;
+#endif
+ const char *string;
+ } u;
+};
+
+/* User attributes. */
+struct side_attr {
+ const char *key;
+ const struct side_attr_value value;
+};
+
+struct side_enum_mapping {
+ int64_t range_begin;
+ int64_t range_end;
+ const char *label;
+};
+
+struct side_enum_mappings {
+ const struct side_enum_mapping *mappings;
+ const struct side_attr *attr;
+ uint32_t nr_mappings;
+ uint32_t nr_attr;
+};
+
+struct side_enum_bitmap_mapping {
+ uint64_t range_begin;
+ uint64_t range_end;
+ const char *label;
+};
+
+struct side_enum_bitmap_mappings {
+ const struct side_enum_bitmap_mapping *mappings;
+ const struct side_attr *attr;
+ uint32_t nr_mappings;
+ uint32_t nr_attr;
+};
+
+struct side_type_struct {
+ uint32_t nr_fields;
+ uint32_t nr_attr;
+ const struct side_event_field *fields;
+ const struct side_attr *attr;
+};
struct side_type_description {
- enum side_type type;
- //TODO: we should add something like a list of user attributes (namespaced strings)
+ uint32_t type; /* enum side_type */
union {
+ /* Basic types */
struct {
- uint32_t nr_fields;
- const struct side_event_field *fields;
- } side_struct;
+ const struct side_attr *attr;
+ uint32_t nr_attr;
+ uint32_t byte_order; /* enum side_type_byte_order */
+ } side_basic;
+
+ /* Compound types */
struct {
- uint32_t length;
const struct side_type_description *elem_type;
+ const struct side_attr *attr;
+ uint32_t length;
+ uint32_t nr_attr;
} side_array;
struct {
const struct side_type_description *elem_type;
+ const struct side_attr *attr;
+ uint32_t nr_attr;
} side_vla;
struct {
const struct side_type_description *elem_type;
side_visitor visitor;
+ const struct side_attr *attr;
+ uint32_t nr_attr;
} side_vla_visitor;
+ const struct side_type_struct *side_struct;
+
+ /* Enumeration types */
+ struct {
+ const struct side_enum_mappings *mappings;
+ const struct side_type_description *elem_type;
+ } side_enum;
+ struct {
+ const struct side_enum_bitmap_mappings *mappings;
+ const struct side_type_description *elem_type;
+ } side_enum_bitmap;
} u;
};
struct side_type_description side_type;
};
+enum side_event_flags {
+ SIDE_EVENT_FLAG_VARIADIC = (1 << 0),
+};
+
+struct side_callback {
+ union {
+ void (*call)(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ void *priv);
+ void (*call_variadic)(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ const struct side_arg_dynamic_event_struct *var_struct,
+ void *priv);
+ } u;
+ void *priv;
+};
+
struct side_event_description {
- uint32_t version;
- uint32_t enabled;
- uint32_t loglevel; /* enum side_loglevel */
- uint32_t nr_fields;
+ uintptr_t *enabled;
const char *provider_name;
const char *event_name;
const struct side_event_field *fields;
-};
-
-struct side_arg_dynamic_vec_vla {
- const struct side_arg_dynamic_vec *sav;
- uint32_t len;
+ const struct side_attr *attr;
+ const struct side_callback *callbacks;
+ uint64_t flags;
+ uint32_t version;
+ uint32_t loglevel; /* enum side_loglevel */
+ uint32_t nr_fields;
+ uint32_t nr_attr;
+ uint32_t nr_callbacks;
};
struct side_arg_dynamic_vec {
- enum side_dynamic_type type;
+ uint32_t dynamic_type; /* enum side_dynamic_type */
union {
- uint8_t side_u8;
- uint16_t side_u16;
- uint32_t side_u32;
- uint64_t side_u64;
- int8_t side_s8;
- int16_t side_s16;
- int32_t side_s32;
- int64_t side_s64;
-
- const char *string;
+ /* Basic types */
+ struct {
+ const struct side_attr *attr;
+ uint32_t nr_attr;
+ uint32_t byte_order; /* enum side_type_byte_order */
+ union {
+ uint8_t side_bool;
+ uint8_t side_u8;
+ uint16_t side_u16;
+ uint32_t side_u32;
+ uint64_t side_u64;
+ int8_t side_s8;
+ int16_t side_s16;
+ int32_t side_s32;
+ int64_t side_s64;
+ uint8_t side_byte;
+ uintptr_t side_pointer;
+#if __HAVE_FLOAT16
+ _Float16 side_float_binary16;
+#endif
+#if __HAVE_FLOAT32
+ _Float32 side_float_binary32;
+#endif
+#if __HAVE_FLOAT64
+ _Float64 side_float_binary64;
+#endif
+#if __HAVE_FLOAT128
+ _Float128 side_float_binary128;
+#endif
+ const char *string;
+ } u;
+ } side_basic;
+ /* Compound types */
const struct side_arg_dynamic_event_struct *side_dynamic_struct;
struct {
- void *app_dynamic_visitor_ctx;
+ void *app_ctx;
side_dynamic_struct_visitor visitor;
+ const struct side_attr *attr;
+ uint32_t nr_attr;
} side_dynamic_struct_visitor;
-
const struct side_arg_dynamic_vec_vla *side_dynamic_vla;
struct {
- void *app_dynamic_visitor_ctx;
+ void *app_ctx;
side_dynamic_vla_visitor visitor;
+ const struct side_attr *attr;
+ uint32_t nr_attr;
} side_dynamic_vla_visitor;
} u;
};
+struct side_arg_dynamic_vec_vla {
+ const struct side_arg_dynamic_vec *sav;
+ const struct side_attr *attr;
+ uint32_t len;
+ uint32_t nr_attr;
+};
+
struct side_arg_dynamic_event_field {
const char *field_name;
const struct side_arg_dynamic_vec elem;
- //TODO: we should add something like a list of user attributes (namespaced strings)
};
struct side_arg_dynamic_event_struct {
const struct side_arg_dynamic_event_field *fields;
+ const struct side_attr *attr;
uint32_t len;
+ uint32_t nr_attr;
};
struct side_arg_vec {
- uint32_t type; /* enum side_type */
+ enum side_type type;
union {
+ /* Basic types */
+ uint8_t side_bool;
uint8_t side_u8;
uint16_t side_u16;
uint32_t side_u32;
int16_t side_s16;
int32_t side_s32;
int64_t side_s64;
-
+ uint8_t side_byte;
+ uintptr_t side_pointer;
+#if __HAVE_FLOAT16
+ _Float16 side_float_binary16;
+#endif
+#if __HAVE_FLOAT32
+ _Float32 side_float_binary32;
+#endif
+#if __HAVE_FLOAT64
+ _Float64 side_float_binary64;
+#endif
+#if __HAVE_FLOAT128
+ _Float128 side_float_binary128;
+#endif
const char *string;
+
+ /* Compound types */
const struct side_arg_vec_description *side_struct;
const struct side_arg_vec_description *side_array;
const struct side_arg_vec_description *side_vla;
void *side_vla_app_visitor_ctx;
-
void *side_array_fixint;
struct {
void *p;
uint32_t length;
} side_vla_fixint;
+ /* Dynamic type */
struct side_arg_dynamic_vec dynamic;
} u;
};
/* The visitor pattern is a double-dispatch visitor. */
struct side_tracer_visitor_ctx {
- enum side_visitor_status (*write_elem)(const struct side_tracer_visitor_ctx *tracer_ctx,
- const struct side_arg_vec *elem);
+ enum side_visitor_status (*write_elem)(
+ const struct side_tracer_visitor_ctx *tracer_ctx,
+ const struct side_arg_vec *elem);
void *priv; /* Private tracer context. */
};
struct side_tracer_dynamic_struct_visitor_ctx {
- enum side_visitor_status (*write_field)(const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
- const struct side_arg_dynamic_event_field *field);
+ enum side_visitor_status (*write_field)(
+ const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
+ const struct side_arg_dynamic_event_field *dynamic_field);
void *priv; /* Private tracer context. */
};
struct side_tracer_dynamic_vla_visitor_ctx {
- enum side_visitor_status (*write_elem)(const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
- const struct side_arg_dynamic_vec *elem);
+ enum side_visitor_status (*write_elem)(
+ const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
+ const struct side_arg_dynamic_vec *elem);
void *priv; /* Private tracer context. */
};
-#define side_type_decl(_type) { .type = _type }
-#define side_field(_name, _type) { .field_name = _name, .side_type = side_type_decl(_type) }
+/* Event and type attributes */
-#define side_type_struct_decl(_fields) \
+#define side_attr(_key, _value) \
{ \
- .type = SIDE_TYPE_STRUCT, \
+ .key = _key, \
+ .value = SIDE_PARAM(_value), \
+ }
+
+#define side_attr_list(...) \
+ SIDE_COMPOUND_LITERAL(const struct side_attr, __VA_ARGS__)
+
+#define side_attr_null(_val) { .type = SIDE_ATTR_TYPE_NULL }
+#define side_attr_bool(_val) { .type = SIDE_ATTR_TYPE_BOOL, .u = { .side_bool = !!(_val) } }
+#define side_attr_u8(_val) { .type = SIDE_ATTR_TYPE_U8, .u = { .side_u8 = (_val) } }
+#define side_attr_u16(_val) { .type = SIDE_ATTR_TYPE_U16, .u = { .side_u16 = (_val) } }
+#define side_attr_u32(_val) { .type = SIDE_ATTR_TYPE_U32, .u = { .side_u32 = (_val) } }
+#define side_attr_u64(_val) { .type = SIDE_ATTR_TYPE_U64, .u = { .side_u64 = (_val) } }
+#define side_attr_s8(_val) { .type = SIDE_ATTR_TYPE_S8, .u = { .side_s8 = (_val) } }
+#define side_attr_s16(_val) { .type = SIDE_ATTR_TYPE_S16, .u = { .side_s16 = (_val) } }
+#define side_attr_s32(_val) { .type = SIDE_ATTR_TYPE_S32, .u = { .side_s32 = (_val) } }
+#define side_attr_s64(_val) { .type = SIDE_ATTR_TYPE_S64, .u = { .side_s64 = (_val) } }
+#define side_attr_pointer(_val) { .type = SIDE_ATTR_TYPE_POINTER, .u = { .side_pointer = (uintptr_t) (_val) } }
+#define side_attr_float_binary16(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY16, .u = { .side_float_binary16 = (_val) } }
+#define side_attr_float_binary32(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY32, .u = { .side_float_binary32 = (_val) } }
+#define side_attr_float_binary64(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY64, .u = { .side_float_binary64 = (_val) } }
+#define side_attr_float_binary128(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY128, .u = { .side_float_binary128 = (_val) } }
+#define side_attr_string(_val) { .type = SIDE_ATTR_TYPE_STRING, .u = { .string = (_val) } }
+
+/* Static field definition */
+
+#define _side_type_basic(_type, _byte_order, _attr) \
+ { \
+ .type = _type, \
.u = { \
- .side_struct = { \
- .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
- .fields = _fields, \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
}, \
}, \
}
-#define side_field_struct(_name, _fields) \
+
+#define _side_field(_name, _type) \
{ \
.field_name = _name, \
- .side_type = side_type_struct_decl(SIDE_PARAM(_fields)), \
+ .side_type = _type, \
}
-#define side_type_array_decl(_elem_type, _length) \
+/* Host endian */
+#define side_type_bool(_attr) _side_type_basic(SIDE_TYPE_BOOL, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_u8(_attr) _side_type_basic(SIDE_TYPE_U8, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_u16(_attr) _side_type_basic(SIDE_TYPE_U16, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_u32(_attr) _side_type_basic(SIDE_TYPE_U32, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_u64(_attr) _side_type_basic(SIDE_TYPE_U64, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_s8(_attr) _side_type_basic(SIDE_TYPE_S8, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_s16(_attr) _side_type_basic(SIDE_TYPE_S16, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_s32(_attr) _side_type_basic(SIDE_TYPE_S32, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_s64(_attr) _side_type_basic(SIDE_TYPE_S64, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_byte(_attr) _side_type_basic(SIDE_TYPE_BYTE, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_pointer(_attr) _side_type_basic(SIDE_TYPE_POINTER, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_float_binary16(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_float_binary32(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_float_binary64(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_float_binary128(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_string(_attr) _side_type_basic(SIDE_TYPE_STRING, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_type_dynamic(_attr) _side_type_basic(SIDE_TYPE_DYNAMIC, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+
+#define side_field_bool(_name, _attr) _side_field(_name, side_type_bool(SIDE_PARAM(_attr)))
+#define side_field_u8(_name, _attr) _side_field(_name, side_type_u8(SIDE_PARAM(_attr)))
+#define side_field_u16(_name, _attr) _side_field(_name, side_type_u16(SIDE_PARAM(_attr)))
+#define side_field_u32(_name, _attr) _side_field(_name, side_type_u32(SIDE_PARAM(_attr)))
+#define side_field_u64(_name, _attr) _side_field(_name, side_type_u64(SIDE_PARAM(_attr)))
+#define side_field_s8(_name, _attr) _side_field(_name, side_type_s8(SIDE_PARAM(_attr)))
+#define side_field_s16(_name, _attr) _side_field(_name, side_type_s16(SIDE_PARAM(_attr)))
+#define side_field_s32(_name, _attr) _side_field(_name, side_type_s32(SIDE_PARAM(_attr)))
+#define side_field_s64(_name, _attr) _side_field(_name, side_type_s64(SIDE_PARAM(_attr)))
+#define side_field_byte(_name, _attr) _side_field(_name, side_type_byte(SIDE_PARAM(_attr)))
+#define side_field_pointer(_name, _attr) _side_field(_name, side_type_pointer(SIDE_PARAM(_attr)))
+#define side_field_float_binary16(_name, _attr) _side_field(_name, side_type_float_binary16(SIDE_PARAM(_attr)))
+#define side_field_float_binary32(_name, _attr) _side_field(_name, side_type_float_binary32(SIDE_PARAM(_attr)))
+#define side_field_float_binary64(_name, _attr) _side_field(_name, side_type_float_binary64(SIDE_PARAM(_attr)))
+#define side_field_float_binary128(_name, _attr) _side_field(_name, side_type_float_binary128(SIDE_PARAM(_attr)))
+#define side_field_string(_name, _attr) _side_field(_name, side_type_string(SIDE_PARAM(_attr)))
+#define side_field_dynamic(_name, _attr) _side_field(_name, side_type_dynamic(SIDE_PARAM(_attr)))
+
+/* Little endian */
+#define side_type_u16_le(_attr) _side_type_basic(SIDE_TYPE_U16, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_u32_le(_attr) _side_type_basic(SIDE_TYPE_U32, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_u64_le(_attr) _side_type_basic(SIDE_TYPE_U64, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_s16_le(_attr) _side_type_basic(SIDE_TYPE_S16, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_s32_le(_attr) _side_type_basic(SIDE_TYPE_S32, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_s64_le(_attr) _side_type_basic(SIDE_TYPE_S64, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_pointer_le(_attr) _side_type_basic(SIDE_TYPE_POINTER, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_float_binary16_le(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_float_binary32_le(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_float_binary64_le(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_type_float_binary128_le(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+
+#define side_field_u16_le(_name, _attr) _side_field(_name, side_type_u16_le(SIDE_PARAM(_attr)))
+#define side_field_u32_le(_name, _attr) _side_field(_name, side_type_u32_le(SIDE_PARAM(_attr)))
+#define side_field_u64_le(_name, _attr) _side_field(_name, side_type_u64_le(SIDE_PARAM(_attr)))
+#define side_field_s16_le(_name, _attr) _side_field(_name, side_type_s16_le(SIDE_PARAM(_attr)))
+#define side_field_s32_le(_name, _attr) _side_field(_name, side_type_s32_le(SIDE_PARAM(_attr)))
+#define side_field_s64_le(_name, _attr) _side_field(_name, side_type_s64_le(SIDE_PARAM(_attr)))
+#define side_field_pointer_le(_name, _attr) _side_field(_name, side_type_pointer_le(SIDE_PARAM(_attr)))
+#define side_field_float_binary16_le(_name, _attr) _side_field(_name, side_type_float_binary16_le(SIDE_PARAM(_attr)))
+#define side_field_float_binary32_le(_name, _attr) _side_field(_name, side_type_float_binary32_le(SIDE_PARAM(_attr)))
+#define side_field_float_binary64_le(_name, _attr) _side_field(_name, side_type_float_binary64_le(SIDE_PARAM(_attr)))
+#define side_field_float_binary128_le(_name, _attr) _side_field(_name, side_type_float_binary128_le(SIDE_PARAM(_attr)))
+
+/* Big endian */
+#define side_type_u16_be(_attr) _side_type_basic(SIDE_TYPE_U16, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_u32_be(_attr) _side_type_basic(SIDE_TYPE_U32, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_u64_be(_attr) _side_type_basic(SIDE_TYPE_U64, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_s16_be(_attr) _side_type_basic(SIDE_TYPE_S16, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_s32_be(_attr) _side_type_basic(SIDE_TYPE_S32, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_s64_be(_attr) _side_type_basic(SIDE_TYPE_S64, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_pointer_be(_attr) _side_type_basic(SIDE_TYPE_POINTER, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_float_binary16_be(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_float_binary32_be(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_float_binary64_be(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_type_float_binary128_be(_attr) _side_type_basic(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+
+#define side_field_u16_be(_name, _attr) _side_field(_name, side_type_u16_be(SIDE_PARAM(_attr)))
+#define side_field_u32_be(_name, _attr) _side_field(_name, side_type_u32_be(SIDE_PARAM(_attr)))
+#define side_field_u64_be(_name, _attr) _side_field(_name, side_type_u64_be(SIDE_PARAM(_attr)))
+#define side_field_s16_be(_name, _attr) _side_field(_name, side_type_s16_be(SIDE_PARAM(_attr)))
+#define side_field_s32_be(_name, _attr) _side_field(_name, side_type_s32_be(SIDE_PARAM(_attr)))
+#define side_field_s64_be(_name, _attr) _side_field(_name, side_type_s64_be(SIDE_PARAM(_attr)))
+#define side_field_pointer_be(_name, _attr) _side_field(_name, side_type_pointer_be(SIDE_PARAM(_attr)))
+#define side_field_float_binary16_be(_name, _attr) _side_field(_name, side_type_float_binary16_be(SIDE_PARAM(_attr)))
+#define side_field_float_binary32_be(_name, _attr) _side_field(_name, side_type_float_binary32_be(SIDE_PARAM(_attr)))
+#define side_field_float_binary64_be(_name, _attr) _side_field(_name, side_type_float_binary64_be(SIDE_PARAM(_attr)))
+#define side_field_float_binary128_be(_name, _attr) _side_field(_name, side_type_float_binary128_be(SIDE_PARAM(_attr)))
+
+#define side_type_enum(_mappings, _elem_type) \
{ \
- .type = SIDE_TYPE_ARRAY, \
+ .type = SIDE_TYPE_ENUM, \
.u = { \
- .side_array = { \
- .length = _length, \
+ .side_enum = { \
+ .mappings = _mappings, \
.elem_type = _elem_type, \
}, \
}, \
}
-#define side_field_array(_name, _elem_type, _length) \
+#define side_field_enum(_name, _mappings, _elem_type) \
+ _side_field(_name, side_type_enum(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
+
+#define side_type_enum_bitmap(_mappings, _elem_type) \
{ \
- .field_name = _name, \
- .side_type = side_type_array_decl(_elem_type, _length), \
+ .type = SIDE_TYPE_ENUM_BITMAP, \
+ .u = { \
+ .side_enum_bitmap = { \
+ .mappings = _mappings, \
+ .elem_type = _elem_type, \
+ }, \
+ }, \
}
+#define side_field_enum_bitmap(_name, _mappings, _elem_type) \
+ _side_field(_name, side_type_enum_bitmap(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
-#define side_type_vla_decl(_elem_type) \
+#define side_type_struct(_struct) \
{ \
- .type = SIDE_TYPE_VLA, \
+ .type = SIDE_TYPE_STRUCT, \
.u = { \
- .side_vla = { \
+ .side_struct = _struct, \
+ }, \
+ }
+#define side_field_struct(_name, _struct) \
+ _side_field(_name, side_type_struct(SIDE_PARAM(_struct)))
+
+#define _side_type_struct_define(_fields, _attr) \
+ { \
+ .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .fields = _fields, \
+ .attr = _attr, \
+ }
+
+#define side_define_struct(_identifier, _fields, _attr) \
+ const struct side_type_struct _identifier = _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr))
+
+#define side_struct_literal(_fields, _attr) \
+ SIDE_COMPOUND_LITERAL(const struct side_type_struct, \
+ _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr)))
+
+#define side_type_array(_elem_type, _length, _attr) \
+ { \
+ .type = SIDE_TYPE_ARRAY, \
+ .u = { \
+ .side_array = { \
.elem_type = _elem_type, \
+ .attr = _attr, \
+ .length = _length, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
}, \
}, \
}
-#define side_field_vla(_name, _elem_type) \
+#define side_field_array(_name, _elem_type, _length, _attr) \
+ _side_field(_name, side_type_array(SIDE_PARAM(_elem_type), _length, SIDE_PARAM(_attr)))
+
+#define side_type_vla(_elem_type, _attr) \
{ \
- .field_name = _name, \
- .side_type = side_type_vla_decl(_elem_type), \
+ .type = SIDE_TYPE_VLA, \
+ .u = { \
+ .side_vla = { \
+ .elem_type = _elem_type, \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }, \
+ }, \
}
+#define side_field_vla(_name, _elem_type, _attr) \
+ _side_field(_name, side_type_vla(SIDE_PARAM(_elem_type), SIDE_PARAM(_attr)))
-#define side_type_vla_visitor_decl(_elem_type, _visitor) \
+#define side_type_vla_visitor(_elem_type, _visitor, _attr) \
{ \
.type = SIDE_TYPE_VLA_VISITOR, \
.u = { \
.side_vla_visitor = { \
.elem_type = SIDE_PARAM(_elem_type), \
.visitor = _visitor, \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
}, \
}, \
}
-#define side_field_vla_visitor(_name, _elem_type, _visitor) \
- { \
- .field_name = _name, \
- .side_type = side_type_vla_visitor_decl(SIDE_PARAM(_elem_type), _visitor), \
- }
+#define side_field_vla_visitor(_name, _elem_type, _visitor, _attr) \
+ _side_field(_name, side_type_vla_visitor(SIDE_PARAM(_elem_type), _visitor, SIDE_PARAM(_attr)))
#define side_elem(...) \
SIDE_COMPOUND_LITERAL(const struct side_type_description, __VA_ARGS__)
-#define side_elem_type(...) \
- side_elem(side_type_decl(__VA_ARGS__))
-
#define side_field_list(...) \
SIDE_COMPOUND_LITERAL(const struct side_event_field, __VA_ARGS__)
-#define side_arg_u8(val) { .type = SIDE_TYPE_U8, .u = { .side_u8 = (val) } }
-#define side_arg_u16(val) { .type = SIDE_TYPE_U16, .u = { .side_u16 = (val) } }
-#define side_arg_u32(val) { .type = SIDE_TYPE_U32, .u = { .side_u32 = (val) } }
-#define side_arg_u64(val) { .type = SIDE_TYPE_U64, .u = { .side_u64 = (val) } }
-#define side_arg_s8(val) { .type = SIDE_TYPE_S8, .u = { .side_s8 = (val) } }
-#define side_arg_s16(val) { .type = SIDE_TYPE_S16, .u = { .side_s16 = (val) } }
-#define side_arg_s32(val) { .type = SIDE_TYPE_S32, .u = { .side_s32 = (val) } }
-#define side_arg_s64(val) { .type = SIDE_TYPE_S64, .u = { .side_s64 = (val) } }
-#define side_arg_string(val) { .type = SIDE_TYPE_STRING, .u = { .string = (val) } }
+/* Static field arguments */
+
+#define side_arg_bool(_val) { .type = SIDE_TYPE_BOOL, .u = { .side_bool = !!(_val) } }
+#define side_arg_u8(_val) { .type = SIDE_TYPE_U8, .u = { .side_u8 = (_val) } }
+#define side_arg_u16(_val) { .type = SIDE_TYPE_U16, .u = { .side_u16 = (_val) } }
+#define side_arg_u32(_val) { .type = SIDE_TYPE_U32, .u = { .side_u32 = (_val) } }
+#define side_arg_u64(_val) { .type = SIDE_TYPE_U64, .u = { .side_u64 = (_val) } }
+#define side_arg_s8(_val) { .type = SIDE_TYPE_S8, .u = { .side_s8 = (_val) } }
+#define side_arg_s16(_val) { .type = SIDE_TYPE_S16, .u = { .side_s16 = (_val) } }
+#define side_arg_s32(_val) { .type = SIDE_TYPE_S32, .u = { .side_s32 = (_val) } }
+#define side_arg_s64(_val) { .type = SIDE_TYPE_S64, .u = { .side_s64 = (_val) } }
+#define side_arg_byte(_val) { .type = SIDE_TYPE_BYTE, .u = { .side_byte = (_val) } }
+#define side_arg_pointer(_val) { .type = SIDE_TYPE_POINTER, .u = { .side_pointer = (uintptr_t) (_val) } }
+#define side_arg_enum_bitmap8(_val) { .type = SIDE_TYPE_ENUM_BITMAP8, .u = { .side_u8 = (_val) } }
+#define side_arg_enum_bitmap16(_val) { .type = SIDE_TYPE_ENUM_BITMAP16, .u = { .side_u16 = (_val) } }
+#define side_arg_enum_bitmap32(_val) { .type = SIDE_TYPE_ENUM_BITMAP32, .u = { .side_u32 = (_val) } }
+#define side_arg_enum_bitmap64(_val) { .type = SIDE_TYPE_ENUM_BITMAP64, .u = { .side_u64 = (_val) } }
+#define side_arg_enum_bitmap_array(_side_type) { .type = SIDE_TYPE_ENUM_BITMAP_ARRAY, .u = { .side_array = (_side_type) } }
+#define side_arg_enum_bitmap_vla(_side_type) { .type = SIDE_TYPE_ENUM_BITMAP_VLA, .u = { .side_vla = (_side_type) } }
+#define side_arg_float_binary16(_val) { .type = SIDE_TYPE_FLOAT_BINARY16, .u = { .side_float_binary16 = (_val) } }
+#define side_arg_float_binary32(_val) { .type = SIDE_TYPE_FLOAT_BINARY32, .u = { .side_float_binary32 = (_val) } }
+#define side_arg_float_binary64(_val) { .type = SIDE_TYPE_FLOAT_BINARY64, .u = { .side_float_binary64 = (_val) } }
+#define side_arg_float_binary128(_val) { .type = SIDE_TYPE_FLOAT_BINARY128, .u = { .side_float_binary128 = (_val) } }
+
+#define side_arg_string(_val) { .type = SIDE_TYPE_STRING, .u = { .string = (_val) } }
#define side_arg_struct(_side_type) { .type = SIDE_TYPE_STRUCT, .u = { .side_struct = (_side_type) } }
#define side_arg_array(_side_type) { .type = SIDE_TYPE_ARRAY, .u = { .side_array = (_side_type) } }
#define side_arg_vla(_side_type) { .type = SIDE_TYPE_VLA, .u = { .side_vla = (_side_type) } }
#define side_arg_array_s16(_ptr) { .type = SIDE_TYPE_ARRAY_S16, .u = { .side_array_fixint = (_ptr) } }
#define side_arg_array_s32(_ptr) { .type = SIDE_TYPE_ARRAY_S32, .u = { .side_array_fixint = (_ptr) } }
#define side_arg_array_s64(_ptr) { .type = SIDE_TYPE_ARRAY_S64, .u = { .side_array_fixint = (_ptr) } }
+#define side_arg_array_byte(_ptr) { .type = SIDE_TYPE_ARRAY_BYTE, .u = { .side_array_fixint = (_ptr) } }
+#define side_arg_array_pointer(_ptr) { .type = SIDE_TYPE_ARRAY_POINTER, .u = { .side_array_fixint = (_ptr) } }
#define side_arg_vla_u8(_ptr, _length) { .type = SIDE_TYPE_VLA_U8, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } }
#define side_arg_vla_u16(_ptr, _length) { .type = SIDE_TYPE_VLA_U16, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
#define side_arg_vla_s16(_ptr, _length) { .type = SIDE_TYPE_VLA_S16, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
#define side_arg_vla_s32(_ptr, _length) { .type = SIDE_TYPE_VLA_S32, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
#define side_arg_vla_s64(_ptr, _length) { .type = SIDE_TYPE_VLA_S64, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
+#define side_arg_vla_byte(_ptr, _length) { .type = SIDE_TYPE_VLA_BYTE, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
+#define side_arg_vla_pointer(_ptr, _length) { .type = SIDE_TYPE_VLA_POINTER, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
-#define side_arg_dynamic(dynamic_arg_type) \
+#define side_arg_dynamic(_dynamic_arg_type) \
{ \
.type = SIDE_TYPE_DYNAMIC, \
.u = { \
- .dynamic = dynamic_arg_type, \
+ .dynamic = _dynamic_arg_type, \
+ }, \
+ }
+
+/* Dynamic field arguments */
+
+#define side_arg_dynamic_null(_attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_NULL, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = SIDE_TYPE_BYTE_ORDER_HOST, \
+ }, \
}, \
}
-#define side_arg_dynamic_null(val) { .type = SIDE_DYNAMIC_TYPE_NULL }
+#define side_arg_dynamic_bool(_val, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_BOOL, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = SIDE_TYPE_BYTE_ORDER_HOST, \
+ .u = { \
+ .side_bool = !!(_val), \
+ }, \
+ }, \
+ }, \
+ }
-#define side_arg_dynamic_u8(val) { .type = SIDE_DYNAMIC_TYPE_U8, .u = { .side_u8 = (val) } }
-#define side_arg_dynamic_u16(val) { .type = SIDE_DYNAMIC_TYPE_U16, .u = { .side_u16 = (val) } }
-#define side_arg_dynamic_u32(val) { .type = SIDE_DYNAMIC_TYPE_U32, .u = { .side_u32 = (val) } }
-#define side_arg_dynamic_u64(val) { .type = SIDE_DYNAMIC_TYPE_U64, .u = { .side_u64 = (val) } }
-#define side_arg_dynamic_s8(val) { .type = SIDE_DYNAMIC_TYPE_S8, .u = { .side_s8 = (val) } }
-#define side_arg_dynamic_s16(val) { .type = SIDE_DYNAMIC_TYPE_S16, .u = { .side_s16 = (val) } }
-#define side_arg_dynamic_s32(val) { .type = SIDE_DYNAMIC_TYPE_S32, .u = { .side_s32 = (val) } }
-#define side_arg_dynamic_s64(val) { .type = SIDE_DYNAMIC_TYPE_S64, .u = { .side_s64 = (val) } }
-#define side_arg_dynamic_string(val) { .type = SIDE_DYNAMIC_TYPE_STRING, .u = { .string = (val) } }
+#define side_arg_dynamic_u8(_val, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_U8, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = SIDE_TYPE_BYTE_ORDER_HOST, \
+ .u = { \
+ .side_u8 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define side_arg_dynamic_s8(_val, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_S8, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = SIDE_TYPE_BYTE_ORDER_HOST, \
+ .u = { \
+ .side_s8 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define side_arg_dynamic_byte(_val, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_BYTE, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = SIDE_TYPE_BYTE_ORDER_HOST, \
+ .u = { \
+ .side_byte = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define side_arg_dynamic_string(_val, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_STRING, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = SIDE_TYPE_BYTE_ORDER_HOST, \
+ .u = { \
+ .string = (_val), \
+ }, \
+ }, \
+ }, \
+ }
-#define side_arg_dynamic_vla(_vla) { .type = SIDE_DYNAMIC_TYPE_VLA, .u = { .side_dynamic_vla = (_vla) } }
-#define side_arg_dynamic_vla_visitor(_dynamic_vla_visitor, _ctx) \
+#define _side_arg_dynamic_u16(_val, _byte_order, _attr) \
{ \
- .type = SIDE_DYNAMIC_TYPE_VLA_VISITOR, \
- .app_dynamic_visitor_ctx = _ctx, \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_U16, \
.u = { \
- .vla_visitor = _dynamic_vla_visitor, \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_u16 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_u32(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_U32, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_u32 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_u64(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_U64, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_u64 = (_val), \
+ }, \
+ }, \
}, \
}
-#define side_arg_dynamic_struct(_struct) { .type = SIDE_DYNAMIC_TYPE_STRUCT, .u = { .side_dynamic_struct = (_struct) } }
-#define side_arg_dynamic_struct_visitor(_dynamic_struct_visitor, _ctx) \
+#define _side_arg_dynamic_s16(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_S16, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_s16 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_s32(_val, _byte_order, _attr) \
{ \
- .type = SIDE_DYNAMIC_TYPE_STRUCT_VISITOR, \
- .app_dynamic_visitor_ctx = _ctx, \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_S32, \
.u = { \
- .struct_visitor = _dynamic_struct_visitor, \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_s32 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_s64(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_S64, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_s64 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_pointer(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_POINTER, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_pointer = (uintptr_t) (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_float_binary16(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY16, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_float_binary16 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_float_binary32(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY32, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_float_binary32 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_float_binary64(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY64, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_float_binary64 = (_val), \
+ }, \
+ }, \
+ }, \
+ }
+#define _side_arg_dynamic_float_binary128(_val, _byte_order, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY128, \
+ .u = { \
+ .side_basic = { \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .byte_order = _byte_order, \
+ .u = { \
+ .side_float_binary128 = (_val), \
+ }, \
+ }, \
}, \
}
-#define side_arg_dynamic_define_vec(_identifier, _sav) \
+/* Host endian */
+#define side_arg_dynamic_u16(_val, _attr) _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_u32(_val, _attr) _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_u64(_val, _attr) _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s16(_val, _attr) _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s32(_val, _attr) _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s64(_val, _attr) _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_pointer(_val, _attr) _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary16(_val, _attr) _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary32(_val, _attr) _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary64(_val, _attr) _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary128(_val, _attr) _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
+
+/* Little endian */
+#define side_arg_dynamic_u16_le(_val, _attr) _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_u32_le(_val, _attr) _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_u64_le(_val, _attr) _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s16_le(_val, _attr) _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s32_le(_val, _attr) _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s64_le(_val, _attr) _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_pointer_le(_val, _attr) _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary16_le(_val, _attr) _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary32_le(_val, _attr) _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary64_le(_val, _attr) _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary128_le(_val, _attr) _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
+
+/* Big endian */
+#define side_arg_dynamic_u16_be(_val, _attr) _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_u32_be(_val, _attr) _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_u64_be(_val, _attr) _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s16_be(_val, _attr) _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s32_be(_val, _attr) _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_s64_be(_val, _attr) _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_pointer_be(_val, _attr) _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary16_be(_val, _attr) _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary32_be(_val, _attr) _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary64_be(_val, _attr) _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+#define side_arg_dynamic_float_binary128_be(_val, _attr) _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
+
+#define side_arg_dynamic_vla(_vla) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_VLA, \
+ .u = { \
+ .side_dynamic_vla = (_vla), \
+ }, \
+ }
+
+#define side_arg_dynamic_vla_visitor(_dynamic_vla_visitor, _ctx, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_VLA_VISITOR, \
+ .u = { \
+ .side_dynamic_vla_visitor = { \
+ .app_ctx = _ctx, \
+ .visitor = _dynamic_vla_visitor, \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }, \
+ }, \
+ }
+
+#define side_arg_dynamic_struct(_struct) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_STRUCT, \
+ .u = { \
+ .side_dynamic_struct = (_struct), \
+ }, \
+ }
+
+#define side_arg_dynamic_struct_visitor(_dynamic_struct_visitor, _ctx, _attr) \
+ { \
+ .dynamic_type = SIDE_DYNAMIC_TYPE_STRUCT_VISITOR, \
+ .u = { \
+ .side_dynamic_struct_visitor = { \
+ .app_ctx = _ctx, \
+ .visitor = _dynamic_struct_visitor, \
+ .attr = _attr, \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }, \
+ }, \
+ }
+
+#define side_arg_dynamic_define_vec(_identifier, _sav, _attr) \
const struct side_arg_dynamic_vec _identifier##_vec[] = { _sav }; \
const struct side_arg_dynamic_vec_vla _identifier = { \
.sav = _identifier##_vec, \
+ .attr = _attr, \
.len = SIDE_ARRAY_SIZE(_identifier##_vec), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
}
-#define side_arg_dynamic_define_struct(_identifier, _struct_fields) \
+#define side_arg_dynamic_define_struct(_identifier, _struct_fields, _attr) \
const struct side_arg_dynamic_event_field _identifier##_fields[] = { _struct_fields }; \
const struct side_arg_dynamic_event_struct _identifier = { \
.fields = _identifier##_fields, \
+ .attr = _attr, \
.len = SIDE_ARRAY_SIZE(_identifier##_fields), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
}
#define side_arg_define_vec(_identifier, _sav) \
#define side_arg_list(...) __VA_ARGS__
-#define side_event_cond(desc) if (side_unlikely((desc)->enabled))
-#define side_event_call(desc, _sav) \
+#define side_define_enum(_identifier, _mappings, _attr) \
+ const struct side_enum_mappings _identifier = { \
+ .mappings = _mappings, \
+ .attr = _attr, \
+ .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }
+
+#define side_enum_mapping_list(...) \
+ SIDE_COMPOUND_LITERAL(const struct side_enum_mapping, __VA_ARGS__)
+
+#define side_enum_mapping_range(_label, _begin, _end) \
+ { \
+ .range_begin = _begin, \
+ .range_end = _end, \
+ .label = _label, \
+ }
+
+#define side_enum_mapping_value(_label, _value) \
+ { \
+ .range_begin = _value, \
+ .range_end = _value, \
+ .label = _label, \
+ }
+
+#define side_define_enum_bitmap(_identifier, _mappings, _attr) \
+ const struct side_enum_bitmap_mappings _identifier = { \
+ .mappings = _mappings, \
+ .attr = _attr, \
+ .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }
+
+#define side_enum_bitmap_mapping_list(...) \
+ SIDE_COMPOUND_LITERAL(const struct side_enum_bitmap_mapping, __VA_ARGS__)
+
+#define side_enum_bitmap_mapping_range(_label, _begin, _end) \
+ { \
+ .range_begin = _begin, \
+ .range_end = _end, \
+ .label = _label, \
+ }
+
+#define side_enum_bitmap_mapping_value(_label, _value) \
+ { \
+ .range_begin = _value, \
+ .range_end = _value, \
+ .label = _label, \
+ }
+
+#define side_event_cond(_identifier) \
+ if (side_unlikely(__atomic_load_n(&side_event_enable__##_identifier, \
+ __ATOMIC_RELAXED)))
+
+#define side_event_call(_identifier, _sav) \
{ \
const struct side_arg_vec side_sav[] = { _sav }; \
const struct side_arg_vec_description sav_desc = { \
.sav = side_sav, \
.len = SIDE_ARRAY_SIZE(side_sav), \
}; \
- tracer_call(desc, &sav_desc); \
+ side_call(&(_identifier), &sav_desc); \
}
-#define side_event(desc, sav) \
- side_event_cond(desc) \
- side_event_call(desc, SIDE_PARAM(sav)); \
+#define side_event(_identifier, _sav) \
+ side_event_cond(_identifier) \
+ side_event_call(_identifier, SIDE_PARAM(_sav))
-#define side_define_event(_identifier, _provider, _event, _loglevel, _fields) \
- struct side_event_description _identifier = { \
+#define side_event_call_variadic(_identifier, _sav, _var_fields, _attr) \
+ { \
+ const struct side_arg_vec side_sav[] = { _sav }; \
+ const struct side_arg_vec_description sav_desc = { \
+ .sav = side_sav, \
+ .len = SIDE_ARRAY_SIZE(side_sav), \
+ }; \
+ const struct side_arg_dynamic_event_field side_fields[] = { _var_fields }; \
+ const struct side_arg_dynamic_event_struct var_struct = { \
+ .fields = side_fields, \
+ .attr = _attr, \
+ .len = SIDE_ARRAY_SIZE(side_fields), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }; \
+ side_call_variadic(&(_identifier), &sav_desc, &var_struct); \
+ }
+
+#define side_event_variadic(_identifier, _sav, _var, _attr) \
+ side_event_cond(_identifier) \
+ side_event_call_variadic(_identifier, SIDE_PARAM(_sav), SIDE_PARAM(_var), SIDE_PARAM(_attr))
+
+#define _side_define_event(_linkage, _identifier, _provider, _event, _loglevel, _fields, _attr, _flags) \
+ _linkage uintptr_t side_event_enable__##_identifier __attribute__((section("side_event_enable"))); \
+ _linkage struct side_event_description __attribute__((section("side_event_description"))) \
+ _identifier = { \
.version = 0, \
- .enabled = 0, \
+ .enabled = &(side_event_enable__##_identifier), \
.loglevel = _loglevel, \
.nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ .nr_callbacks = 0, \
+ .flags = (_flags), \
.provider_name = _provider, \
.event_name = _event, \
.fields = _fields, \
- }
+ .attr = _attr, \
+ .callbacks = &side_empty_callback, \
+ }; \
+ static const struct side_event_description *side_event_ptr__##_identifier \
+ __attribute__((section("side_event_description_ptr"), used)) = &(_identifier);
+
+#define side_static_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
+ _side_define_event(static, _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
+ SIDE_PARAM(_attr), 0)
+
+#define side_static_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
+ _side_define_event(static, _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
+ SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
+
+#define side_hidden_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
+ _side_define_event(__attribute__((visibility("hidden"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
+ SIDE_PARAM(_attr), 0)
+
+#define side_hidden_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
+ _side_define_event(__attribute__((visibility("hidden"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
+ SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
+
+#define side_export_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
+ _side_define_event(__attribute__((visibility("default"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
+ SIDE_PARAM(_attr), 0)
+
+#define side_export_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
+ _side_define_event(__attribute__((visibility("default"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
+ SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
#define side_declare_event(_identifier) \
- struct side_event_description _identifier
+ extern uintptr_t side_event_enable_##_identifier; \
+ extern struct side_event_description _identifier
+
+extern const struct side_callback side_empty_callback;
+
+void side_call(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc);
+void side_call_variadic(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ const struct side_arg_dynamic_event_struct *var_struct);
+
+int side_tracer_callback_register(struct side_event_description *desc,
+ void (*call)(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ void *priv),
+ void *priv);
+int side_tracer_callback_variadic_register(struct side_event_description *desc,
+ void (*call_variadic)(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ const struct side_arg_dynamic_event_struct *var_struct,
+ void *priv),
+ void *priv);
+int side_tracer_callback_unregister(struct side_event_description *desc,
+ void (*call)(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ void *priv),
+ void *priv);
+int side_tracer_callback_variadic_unregister(struct side_event_description *desc,
+ void (*call_variadic)(const struct side_event_description *desc,
+ const struct side_arg_vec_description *sav_desc,
+ const struct side_arg_dynamic_event_struct *var_struct,
+ void *priv),
+ void *priv);
+
+struct side_events_register_handle *side_events_register(struct side_event_description **events, uint32_t nr_events);
+void side_events_unregister(struct side_events_register_handle *handle);
+
+enum side_tracer_notification {
+ SIDE_TRACER_NOTIFICATION_INSERT_EVENTS,
+ SIDE_TRACER_NOTIFICATION_REMOVE_EVENTS,
+};
+
+/* Callback is invoked with side library internal lock held. */
+struct side_tracer_handle *side_tracer_event_notification_register(
+ void (*cb)(enum side_tracer_notification notif,
+ struct side_event_description **events, uint32_t nr_events, void *priv),
+ void *priv);
+void side_tracer_event_notification_unregister(struct side_tracer_handle *handle);
+
+void side_init(void);
+void side_exit(void);
+
+/*
+ * These weak symbols, the constructor, and destructor take care of
+ * registering only _one_ instance of the side instrumentation per
+ * shared-ojbect (or for the whole main program).
+ */
+extern struct side_event_description * __start_side_event_description_ptr[]
+ __attribute__((weak, visibility("hidden")));
+extern struct side_event_description * __stop_side_event_description_ptr[]
+ __attribute__((weak, visibility("hidden")));
+int side_event_description_ptr_registered
+ __attribute__((weak, visibility("hidden")));
+struct side_events_register_handle *side_events_handle
+ __attribute__((weak, visibility("hidden")));
+
+static void
+side_event_description_ptr_init(void)
+ __attribute__((no_instrument_function))
+ __attribute__((constructor));
+static void
+side_event_description_ptr_init(void)
+{
+ if (side_event_description_ptr_registered++)
+ return;
+ side_events_handle = side_events_register(__start_side_event_description_ptr,
+ __stop_side_event_description_ptr - __start_side_event_description_ptr);
+}
+
+static void
+side_event_description_ptr_exit(void)
+ __attribute__((no_instrument_function))
+ __attribute__((destructor));
+static void
+side_event_description_ptr_exit(void)
+{
+ if (--side_event_description_ptr_registered)
+ return;
+ side_events_unregister(side_events_handle);
+ side_events_handle = NULL;
+}
#endif /* _SIDE_TRACE_H */