include/babeltrace/ctf/types.h

   1 #ifndef _BABELTRACE_CTF_TYPES_H
   2 #define _BABELTRACE_CTF_TYPES_H
   3
   4 /*
   5  * Common Trace Format
   6  *
   7  * Type header
   8  *
   9  * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  */
  21
  22 #include <stdint.h>
  23 #include <glib.h>
  24
  25 /*
  26  * IMPORTANT: All lengths (len) and offsets (start, end) are expressed in bits,
  27  *            *not* in bytes.
  28  *
  29  * All write primitives, as well as read for dynamically sized entities, can
  30  * receive a NULL ptr/dest parameter. In this case, no write is performed, but
  31  * the size is returned.
  32  */
  33
  34 uint64_t ctf_uint_read(struct stream_pos *pos,
  35                 const struct type_class_integer *int_class);
  36 int64_t ctf_int_read(struct stream_pos *pos,
  37                 const struct type_class_integer *int_class);
  38 void ctf_uint_write(struct stream_pos *pos,
  39                 const struct type_class_integer *int_class,
  40                 uint64_t v);
  41 void ctf_int_write(struct stream_pos *pos,
  42                 const struct type_class_integer *int_class,
  43                 int64_t v);
  44
  45 double ctf_double_read(struct stream_pos *pos,
  46                         const struct type_class_float *src);
  47 void ctf_double_write(struct stream_pos *pos,
  48                 const struct type_class_float *dest,
  49                 double v);
  50 long double ctf_ldouble_read(struct stream_pos *pos,
  51                              const struct type_class_float *src);
  52 void ctf_ldouble_write(struct stream_pos *pos,
  53                 const struct type_class_float *dest,
  54                 long double v);
  55 void ctf_float_copy(struct stream_pos *destp, const struct type_class_float *dest,
  56                 struct stream_pos *srcp, const struct type_class_float *src);
  57
  58 void ctf_string_copy(struct stream_pos *dest, struct stream_pos *src,
  59                      const struct type_class_string *string_class);
  60 void ctf_string_read(unsigned char **dest, struct stream_pos *src,
  61                      const struct type_class_string *string_class);
  62 void ctf_string_write(struct stream_pos *dest, const unsigned char *src,
  63                       const struct type_class_string *string_class);
  64 void ctf_string_free_temp(unsigned char *string);
  65
  66 GQuark ctf_enum_read(struct stream_pos *pos,
  67                 const struct type_class_enum *src);
  68 void ctf_enum_write(struct stream_pos *pos,
  69                 const struct type_class_enum *dest,
  70                 GQuark q);
  71 void ctf_struct_begin(struct stream_pos *pos,
  72                       const struct type_class_struct *struct_class);
  73 void ctf_struct_end(struct stream_pos *pos,
  74                     const struct type_class_struct *struct_class);
  75 void ctf_array_begin(struct stream_pos *pos,
  76                      const struct type_class_array *array_class);
  77 void ctf_array_end(struct stream_pos *pos,
  78                    const struct type_class_array *array_class);
  79 void ctf_sequence_begin(struct stream_pos *pos,
  80                         const struct type_class_sequence *sequence_class);
  81 void ctf_sequence_end(struct stream_pos *pos,
  82                       const struct type_class_sequence *sequence_class);
  83
  84 #endif /* _BABELTRACE_CTF_TYPES_H */