4 * BabelTrace - Float Type Converter
6 * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
19 #include <babeltrace/compiler.h>
20 #include <babeltrace/format.h>
23 struct definition
*_float_definition_new(struct declaration
*declaration
,
24 struct definition_scope
*parent_scope
,
25 GQuark field_name
, int index
);
27 void _float_definition_free(struct definition
*definition
);
29 void float_copy(struct stream_pos
*destp
,
30 const struct format
*fdest
,
31 struct stream_pos
*srcp
,
32 const struct format
*fsrc
,
33 struct definition
*definition
)
35 struct definition_float
*_float
=
36 container_of(definition
, struct definition_float
, p
);
37 struct declaration_float
*float_declaration
= _float
->declaration
;
40 v
= fsrc
->ldouble_read(srcp
, float_declaration
);
43 fdest
->ldouble_write(destp
, float_declaration
, v
);
47 void _float_declaration_free(struct declaration
*declaration
)
49 struct declaration_float
*float_declaration
=
50 container_of(declaration
, struct declaration_float
, p
);
52 declaration_unref(&float_declaration
->exp
->p
);
53 declaration_unref(&float_declaration
->mantissa
->p
);
54 declaration_unref(&float_declaration
->sign
->p
);
55 g_free(float_declaration
);
58 struct declaration_float
*
59 float_declaration_new(size_t mantissa_len
,
60 size_t exp_len
, int byte_order
, size_t alignment
)
62 struct declaration_float
*float_declaration
;
63 struct declaration
*declaration
;
65 float_declaration
= g_new(struct declaration_float
, 1);
66 declaration
= &float_declaration
->p
;
67 declaration
->id
= CTF_TYPE_FLOAT
;
68 declaration
->alignment
= alignment
;
69 declaration
->copy
= float_copy
;
70 declaration
->declaration_free
= _float_declaration_free
;
71 declaration
->definition_new
= _float_definition_new
;
72 declaration
->definition_free
= _float_definition_free
;
74 float_declaration
->byte_order
= byte_order
;
76 float_declaration
->sign
= integer_declaration_new(1,
77 byte_order
, false, 1);
78 float_declaration
->mantissa
= integer_declaration_new(mantissa_len
- 1,
79 byte_order
, false, 1);
80 float_declaration
->exp
= integer_declaration_new(exp_len
,
82 return float_declaration
;
87 _float_definition_new(struct declaration
*declaration
,
88 struct definition_scope
*parent_scope
,
89 GQuark field_name
, int index
)
91 struct declaration_float
*float_declaration
=
92 container_of(declaration
, struct declaration_float
, p
);
93 struct definition_float
*_float
;
95 _float
= g_new(struct definition_float
, 1);
96 declaration_ref(&float_declaration
->p
);
97 _float
->p
.declaration
= declaration
;
98 _float
->declaration
= float_declaration
;
100 _float
->p
.index
= index
;
106 void _float_definition_free(struct definition
*definition
)
108 struct definition_float
*_float
=
109 container_of(definition
, struct definition_float
, p
);
111 declaration_unref(_float
->p
.declaration
);
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