trunk/lttng-xenomai/LinuxTraceToolkitViewer-0.8.61-xenoltt/ltt/ltt-types.h

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2004-2005 Mathieu Desnoyers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License Version 2.1 as published by the Free Software Foundation.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the
  15  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  16  * Boston, MA 02111-1307, USA.
  17  */
  18
  19 #ifndef LTT_TYPES_H
  20 #define LTT_TYPES_H
  21
  22 /* Set of functions to access the types portably, given the trace as parameter.
  23  * */
  24
  25 #include <ltt/ltt.h>
  26 //#include <ltt/ltt-private.h>
  27 #include <glib.h>
  28 #include <ltt/time.h>
  29
  30
  31 /*****************************************************************************
  32  *Function name
  33  *    ltt_get_int64        : get a 64 bits integer number
  34  *Input params
  35  *    ptr                  : pointer to the integer
  36  *Return value
  37  *    gint64               : a 64 bits integer
  38  *
  39  * Takes care of endianness
  40  *
  41  ****************************************************************************/
  42
  43 static inline gint64 ltt_get_int64(gboolean reverse_byte_order, void *ptr)
  44 {
  45   guint64 value = *(guint64*)ptr;
  46   return (gint64) (reverse_byte_order ? GUINT64_SWAP_LE_BE(value): value);
  47 }
  48
  49
  50 static inline guint64 ltt_get_uint64(gboolean reverse_byte_order, void *ptr)
  51 {
  52   guint64 value = *(guint64*)ptr;
  53   return (guint64) (reverse_byte_order ? GUINT64_SWAP_LE_BE(value): value);
  54 }
  55
  56 static inline gint32 ltt_get_int32(gboolean reverse_byte_order, void *ptr)
  57 {
  58   guint32 value = *(guint32*)ptr;
  59   return (gint32) (reverse_byte_order ? GUINT32_SWAP_LE_BE(value): value);
  60 }
  61
  62 static inline guint32 ltt_get_uint32(gboolean reverse_byte_order, void *ptr)
  63 {
  64   guint32 value = *(guint32*)ptr;
  65   return (guint32) (reverse_byte_order ? GUINT32_SWAP_LE_BE(value): value);
  66 }
  67
  68 static inline gint16 ltt_get_int16(gboolean reverse_byte_order, void *ptr)
  69 {
  70   guint16 value = *(guint16*)ptr;
  71   return (gint16) (reverse_byte_order ? GUINT16_SWAP_LE_BE(value): value);
  72 }
  73
  74 static inline guint16 ltt_get_uint16(gboolean reverse_byte_order, void *ptr)
  75 {
  76   guint16 value = *(guint16*)ptr;
  77   return (guint16) (reverse_byte_order ? GUINT16_SWAP_LE_BE(value): value);
  78 }
  79
  80 static inline LttTime ltt_get_time(gboolean reverse_byte_order, void *ptr)
  81 {
  82   LttTime output;
  83
  84   output.tv_sec = ltt_get_uint32(reverse_byte_order, ptr);
  85   ptr += sizeof(guint32);
  86   output.tv_nsec = ltt_get_uint32(reverse_byte_order, ptr);
  87
  88   return output;
  89 }
  90
  91 #endif // LTT_TYPES_H