mono/metadata/seq-points-data.h

   1 /**
   2  * \file
   3  * Copyright 2015 Xamarin Inc
   4  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
   5  */
   6
   7 #ifndef __MONO_SEQ_POINTS_DATA_H__
   8 #define __MONO_SEQ_POINTS_DATA_H__
   9
  10 #include <glib.h>
  11
  12 #define MONO_SEQ_POINT_FLAG_NONEMPTY_STACK 1
  13 #define MONO_SEQ_POINT_FLAG_EXIT_IL 2
  14 #define MONO_SEQ_POINT_FLAG_NESTED_CALL 4
  15
  16 /* IL offsets used to mark the sequence points belonging to method entry/exit events */
  17 #define METHOD_ENTRY_IL_OFFSET -1
  18 #define METHOD_EXIT_IL_OFFSET 0xffffff
  19
  20 #define SEQ_POINT_AOT_EXT ".msym"
  21
  22 /* Native offset used to mark seq points in dead code */
  23 #define SEQ_POINT_NATIVE_OFFSET_DEAD_CODE -1
  24
  25 typedef struct {
  26         int il_offset, native_offset, flags;
  27         /* Offset of indexes of successor sequence points on the compressed buffer */
  28         int next_offset;
  29         /* Number of entries in next */
  30         int next_len;
  31 } SeqPoint;
  32
  33 typedef struct MonoSeqPointInfo {
  34         int dummy [1];
  35 } MonoSeqPointInfo;
  36
  37 typedef struct {
  38         SeqPoint seq_point;
  39         guint8* ptr;
  40         guint8* begin;
  41         guint8* end;
  42         gboolean has_debug_data;
  43 } SeqPointIterator;
  44
  45 void
  46 mono_seq_point_info_free (gpointer info);
  47
  48 gboolean
  49 mono_seq_point_iterator_next (SeqPointIterator* it);
  50
  51 void
  52 mono_seq_point_iterator_init (SeqPointIterator* it, MonoSeqPointInfo* info);
  53
  54 void
  55 mono_seq_point_init_next (MonoSeqPointInfo* info, SeqPoint sp, SeqPoint* next);
  56
  57 int
  58 mono_seq_point_info_write (MonoSeqPointInfo* info, guint8* buffer);
  59
  60 int
  61 mono_seq_point_info_read (MonoSeqPointInfo** info, guint8* buffer, gboolean copy);
  62
  63 int
  64 mono_seq_point_info_get_write_size (MonoSeqPointInfo* info);
  65
  66 gboolean
  67 mono_seq_point_info_add_seq_point (GByteArray* array, SeqPoint *sp, SeqPoint *last_seq_point, GSList *next, gboolean has_debug_data);
  68
  69 MonoSeqPointInfo*
  70 mono_seq_point_info_new (int len, gboolean alloc_data, guint8 *data, gboolean has_debug_data, int *out_size);
  71
  72 gboolean
  73 mono_seq_point_find_prev_by_native_offset (MonoSeqPointInfo* info, int native_offset, SeqPoint* seq_point);
  74
  75 gboolean
  76 mono_seq_point_find_next_by_native_offset (MonoSeqPointInfo* info, int native_offset, SeqPoint* seq_point);
  77
  78 gboolean
  79 mono_seq_point_find_by_il_offset (MonoSeqPointInfo* info, int il_offset, SeqPoint* seq_point);
  80
  81 /*
  82  * SeqPointData struct and functions
  83  * This is used to store/load/use sequence point from a file
  84  */
  85
  86 typedef struct {
  87         guint32 method_token;
  88         guint32 method_index;
  89         MonoSeqPointInfo* seq_points;
  90         gboolean free_seq_points;
  91 } SeqPointDataEntry;
  92
  93 typedef struct {
  94         SeqPointDataEntry* entries;
  95         int entry_count;
  96         int entry_capacity;
  97 } SeqPointData;
  98
  99 void
 100 mono_seq_point_data_init (SeqPointData *data, int entry_capacity);
 101
 102 void
 103 mono_seq_point_data_free (SeqPointData *data);
 104
 105 gboolean
 106 mono_seq_point_data_read (SeqPointData *data, char *path);
 107
 108 gboolean
 109 mono_seq_point_data_write (SeqPointData *data, char *path);
 110
 111 void
 112 mono_seq_point_data_add (SeqPointData *data, guint32 methodToken, guint32 methodIndex, MonoSeqPointInfo* info);
 113
 114 gboolean
 115 mono_seq_point_data_get (SeqPointData *data, guint32 methodToken, guint32 methodIndex, MonoSeqPointInfo** info);
 116
 117 gboolean
 118 mono_seq_point_data_get_il_offset (char *path, guint32 methodToken, guint32 methodIndex, guint32 native_offset, guint32 *il_offset);
 119
 120 #endif /* __MONO_SEQ_POINTS_DATA_H__ */