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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2004-2005 Mathieu Desnoyers |
3 | * |
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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. |
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7 | * |
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8 | * This library is distributed in the hope that it will be useful, |
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. |
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12 | * |
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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. |
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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> |
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26 | #include <glib.h> |
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27 | #include <ltt/time.h> |
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28 | |
29 | |
30 | /***************************************************************************** |
31 | *Function name |
32 | * ltt_get_int64 : get a 64 bits integer number |
33 | *Input params |
34 | * ptr : pointer to the integer |
35 | *Return value |
36 | * gint64 : a 64 bits integer |
37 | * |
38 | * Takes care of endianness |
39 | * |
40 | ****************************************************************************/ |
41 | |
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42 | static inline gint64 ltt_get_int64(gboolean reverse_byte_order, void *ptr) |
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43 | { |
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44 | guint64 value = *(guint64*)ptr; |
45 | return (gint64) (reverse_byte_order ? GUINT64_SWAP_LE_BE(value): value); |
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46 | } |
47 | |
48 | |
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49 | static inline guint64 ltt_get_uint64(gboolean reverse_byte_order, void *ptr) |
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50 | { |
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51 | guint64 value = *(guint64*)ptr; |
52 | return (guint64) (reverse_byte_order ? GUINT64_SWAP_LE_BE(value): value); |
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53 | } |
54 | |
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55 | static inline gint32 ltt_get_int32(gboolean reverse_byte_order, void *ptr) |
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56 | { |
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57 | guint32 value = *(guint32*)ptr; |
58 | return (gint32) (reverse_byte_order ? GUINT32_SWAP_LE_BE(value): value); |
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59 | } |
60 | |
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61 | static inline guint32 ltt_get_uint32(gboolean reverse_byte_order, void *ptr) |
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62 | { |
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63 | guint32 value = *(guint32*)ptr; |
64 | return (guint32) (reverse_byte_order ? GUINT32_SWAP_LE_BE(value): value); |
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65 | } |
66 | |
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67 | static inline gint16 ltt_get_int16(gboolean reverse_byte_order, void *ptr) |
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68 | { |
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69 | guint16 value = *(guint16*)ptr; |
70 | return (gint16) (reverse_byte_order ? GUINT16_SWAP_LE_BE(value): value); |
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71 | } |
72 | |
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73 | static inline guint16 ltt_get_uint16(gboolean reverse_byte_order, void *ptr) |
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74 | { |
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75 | guint16 value = *(guint16*)ptr; |
76 | return (guint16) (reverse_byte_order ? GUINT16_SWAP_LE_BE(value): value); |
77 | } |
78 | |
79 | static inline LttTime ltt_get_time(gboolean reverse_byte_order, void *ptr) |
80 | { |
81 | LttTime output; |
82 | |
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83 | output.tv_sec = ltt_get_uint32(reverse_byte_order, ptr); |
84 | ptr += sizeof(guint32); |
85 | output.tv_nsec = ltt_get_uint32(reverse_byte_order, ptr); |
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86 | |
87 | return output; |
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88 | } |
89 | |
90 | #endif // LTT_TYPES_H |