X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fltt-private.h;h=b525f9d70edb7478707e3d477ed956bcbe6e338a;hb=823820eb1852619c9a24af4a01622356214c01b4;hp=929e54aeb898a32c62a352d2fb8e08971cf74485;hpb=b56dcdf2c3128db9165e0de6476ca5b799338486;p=lttv.git

diff --git a/ltt/branches/poly/ltt/ltt-private.h b/ltt/branches/poly/ltt/ltt-private.h
index 929e54ae..b525f9d7 100644
--- a/ltt/branches/poly/ltt/ltt-private.h
+++ b/ltt/branches/poly/ltt/ltt-private.h
@@ -22,6 +22,7 @@
 #include <glib.h>
 #include <sys/types.h>
 #include <ltt/ltt.h>
+#include <endian.h>
 
 
 #ifndef max
@@ -38,6 +39,13 @@
 
 /* Hardcoded facilities */
 #define LTT_FACILITY_CORE 0
+ 
+/* Byte ordering */
+#define LTT_GET_BO(t) ((t)->reverse_bo)
+
+#define LTT_HAS_FLOAT(t) ((t)->float_word_order!=0)
+#define LTT_GET_FLOAT_BO(t) \
+  (((t)->float_word_order==__BYTE_ORDER)?0:1)
 
 /* Hardcoded core events */
 enum ltt_core_events {
@@ -128,21 +136,42 @@ struct ltt_event_header_nohb {
   uint16_t      event_size;
 } LTT_PACKED_STRUCT;
 
-struct ltt_trace_header {
+
+/* Block and trace headers */
+
+struct ltt_trace_header_any {
   uint32_t        magic_number;
   uint32_t        arch_type;
   uint32_t        arch_variant;
+  uint32_t        float_word_order;
   uint8_t         arch_size;
-  //uint32_t        system_type;
-  uint8_t          major_version;
-  uint8_t          minor_version;
-  uint8_t          flight_recorder;
-  uint8_t          has_heartbeat;
-  uint8_t          has_alignment;  /* Event header alignment */
-	uint8_t					 has_tsc;
+  uint8_t         major_version;
+  uint8_t         minor_version;
+  uint8_t         flight_recorder;
+  uint8_t         has_heartbeat;
+  uint8_t         has_alignment;  /* Event header alignment */
+	uint8_t			    has_tsc;
 } LTT_PACKED_STRUCT;
 
 
+/* For version 0.3 */
+
+struct ltt_trace_header_0_3 {
+  uint32_t        magic_number;
+  uint32_t        arch_type;
+  uint32_t        arch_variant;
+  uint32_t        float_word_order;
+  uint8_t         arch_size;
+  uint8_t         major_version;
+  uint8_t         minor_version;
+  uint8_t         flight_recorder;
+  uint8_t         has_heartbeat;
+  uint8_t         has_alignment;  /* Event header alignment */
+	uint8_t				 has_tsc;
+} LTT_PACKED_STRUCT;
+
+
+
 struct ltt_block_start_header {
   struct { 
     struct timeval          timestamp;
@@ -154,7 +183,7 @@ struct ltt_block_start_header {
   } end;
   uint32_t                lost_size;  /* Size unused at the end of the buffer */
   uint32_t                buf_size;   /* The size of this sub-buffer */
-  struct ltt_trace_header trace;
+  char                    trace[0];
 } LTT_PACKED_STRUCT;
 
 
@@ -317,6 +346,9 @@ struct _LttTracefile{
   //unsigned block_size;               //block_size
   unsigned int num_blocks;           //number of blocks in the file
   gboolean  reverse_bo;              //must we reverse byte order ?
+  gboolean  float_word_order;        //what is the byte order of floats ?
+
+  size_t    buffer_header_size;
 
 	/* Current event */
   LttEvent event;                    //Event currently accessible in the trace
@@ -391,7 +423,5 @@ struct _LttSystemDescription {
 //#define EVENT_ID_SIZE     sizeof(guint16)
 //#define EVENT_HEADER_SIZE (TIMESTAMP_SIZE + EVENT_ID_SIZE)
 
-#define LTT_GET_BO(t) ((t)->reverse_bo)
-
 
 #endif /* LTT_PRIVATE_H */