X-Git-Url: http://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=libust%2Ftype-serializer.h;fp=libust%2Ftype-serializer.h;h=3b1a23a9e7bb984e2af87aedab16524bce2d54e0;hp=0000000000000000000000000000000000000000;hb=9edd34bd25f52dd39b354a84f02697254121aefd;hpb=13ef5c0efe5894668297bfa10f1304c40866c054

diff --git a/libust/type-serializer.h b/libust/type-serializer.h
new file mode 100644
index 0000000..3b1a23a
--- /dev/null
+++ b/libust/type-serializer.h
@@ -0,0 +1,183 @@
+#ifndef _LTT_TYPE_SERIALIZER_H
+#define _LTT_TYPE_SERIALIZER_H
+
+#include <ust/marker.h>
+#include <ust/marker-internal.h>
+#include <ust/core.h>
+#include "buffers.h"
+
+/*
+ * largest_align must be non-zero, equal to the minimum between the largest type
+ * and sizeof(void *).
+ */
+extern void _ltt_specialized_trace(const struct ust_marker *mdata, void *probe_data,
+		void *serialize_private, unsigned int data_size,
+		unsigned int largest_align);
+
+/*
+ * Statically check that 0 < largest_align < sizeof(void *) to make sure it is
+ * dumb-proof. It will make sure 0 is changed into 1 and unsigned long long is
+ * changed into sizeof(void *) on 32-bit architectures.
+ */
+static inline void ltt_specialized_trace(const struct ust_marker *mdata,
+		void *probe_data,
+		void *serialize_private, unsigned int data_size,
+		unsigned int largest_align)
+{
+	largest_align = min_t(unsigned int, largest_align, sizeof(void *));
+	largest_align = max_t(unsigned int, largest_align, 1);
+	_ltt_specialized_trace(mdata, probe_data, serialize_private, data_size,
+		largest_align);
+}
+
+/*
+ * Type serializer definitions.
+ */
+
+/*
+ * Return size of structure without end-of-structure padding.
+ */
+#define serialize_sizeof(type)	offsetof(typeof(type), end_field)
+
+struct serialize_long_int {
+	unsigned long f1;
+	unsigned int f2;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_int_int_long {
+	unsigned int f1;
+	unsigned int f2;
+	unsigned long f3;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_int_int_short {
+	unsigned int f1;
+	unsigned int f2;
+	unsigned short f3;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_long_long {
+	unsigned long f1;
+	unsigned long f2;
+	unsigned long f3;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_long_int {
+	unsigned long f1;
+	unsigned long f2;
+	unsigned int f3;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_long_short_char {
+	unsigned long f1;
+	unsigned long f2;
+	unsigned short f3;
+	unsigned char f4;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_long_short {
+	unsigned long f1;
+	unsigned long f2;
+	unsigned short f3;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_short_char {
+	unsigned long f1;
+	unsigned short f2;
+	unsigned char f3;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_short {
+	unsigned long f1;
+	unsigned short f2;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_char {
+	unsigned long f1;
+	unsigned char f2;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_sizet_int {
+	size_t f1;
+	unsigned int f2;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_long_sizet_int {
+	unsigned long f1;
+	unsigned long f2;
+	size_t f3;
+	unsigned int f4;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_long_long_sizet_int_int {
+	unsigned long f1;
+	unsigned long f2;
+	size_t f3;
+	unsigned int f4;
+	unsigned int f5;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_l4421224411111 {
+	unsigned long f1;
+	uint32_t f2;
+	uint32_t f3;
+	uint16_t f4;
+	uint8_t f5;
+	uint16_t f6;
+	uint16_t f7;
+	uint32_t f8;
+	uint32_t f9;
+	uint8_t f10;
+	uint8_t f11;
+	uint8_t f12;
+	uint8_t f13;
+	uint8_t f14;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+struct serialize_l214421224411111 {
+	unsigned long f1;
+	uint16_t f2;
+	uint8_t f3;
+	uint32_t f4;
+	uint32_t f5;
+	uint16_t f6;
+	uint8_t f7;
+	uint16_t f8;
+	uint16_t f9;
+	uint32_t f10;
+	uint32_t f11;
+	uint8_t f12;
+	uint8_t f13;
+	uint8_t f14;
+	uint8_t f15;
+	uint8_t f16;
+	uint8_t end_field[0];
+} LTT_ALIGN;
+
+struct serialize_l4412228 {
+	unsigned long f1;
+	uint32_t f2;
+	uint32_t f3;
+	uint8_t f4;
+	uint16_t f5;
+	uint16_t f6;
+	uint16_t f7;
+	uint64_t f8;
+	unsigned char end_field[0];
+} LTT_ALIGN;
+
+#endif /* _LTT_TYPE_SERIALIZER_H */