/**
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* \file
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* Copyright 2015 Xamarin Inc
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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#ifndef __MONO_SEQ_POINTS_DATA_H__
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#define __MONO_SEQ_POINTS_DATA_H__
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#include <glib.h>
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#define MONO_SEQ_POINT_FLAG_NONEMPTY_STACK 1
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#define MONO_SEQ_POINT_FLAG_EXIT_IL 2
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/* IL offsets used to mark the sequence points belonging to method entry/exit events */
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#define METHOD_ENTRY_IL_OFFSET -1
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#define METHOD_EXIT_IL_OFFSET 0xffffff
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#define SEQ_POINT_AOT_EXT ".msym"
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/* Native offset used to mark seq points in dead code */
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#define SEQ_POINT_NATIVE_OFFSET_DEAD_CODE -1
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typedef struct {
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int il_offset, native_offset, flags;
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/* Offset of indexes of successor sequence points on the compressed buffer */
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int next_offset;
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/* Number of entries in next */
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int next_len;
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} SeqPoint;
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typedef struct MonoSeqPointInfo {
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int dummy [1];
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} MonoSeqPointInfo;
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typedef struct {
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SeqPoint seq_point;
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guint8* ptr;
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guint8* begin;
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guint8* end;
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gboolean has_debug_data;
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} SeqPointIterator;
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void
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mono_seq_point_info_free (gpointer info);
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gboolean
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mono_seq_point_iterator_next (SeqPointIterator* it);
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void
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mono_seq_point_iterator_init (SeqPointIterator* it, MonoSeqPointInfo* info);
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void
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mono_seq_point_init_next (MonoSeqPointInfo* info, SeqPoint sp, SeqPoint* next);
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int
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mono_seq_point_info_write (MonoSeqPointInfo* info, guint8* buffer);
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int
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mono_seq_point_info_read (MonoSeqPointInfo** info, guint8* buffer, gboolean copy);
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int
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mono_seq_point_info_get_write_size (MonoSeqPointInfo* info);
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gboolean
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mono_seq_point_info_add_seq_point (GByteArray* array, SeqPoint *sp, SeqPoint *last_seq_point, GSList *next, gboolean has_debug_data);
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MonoSeqPointInfo*
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mono_seq_point_info_new (int len, gboolean alloc_data, guint8 *data, gboolean has_debug_data, int *out_size);
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gboolean
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mono_seq_point_find_prev_by_native_offset (MonoSeqPointInfo* info, int native_offset, SeqPoint* seq_point);
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gboolean
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mono_seq_point_find_next_by_native_offset (MonoSeqPointInfo* info, int native_offset, SeqPoint* seq_point);
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gboolean
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mono_seq_point_find_by_il_offset (MonoSeqPointInfo* info, int il_offset, SeqPoint* seq_point);
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/*
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* SeqPointData struct and functions
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* This is used to store/load/use sequence point from a file
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*/
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typedef struct {
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guint32 method_token;
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guint32 method_index;
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MonoSeqPointInfo* seq_points;
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gboolean free_seq_points;
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} SeqPointDataEntry;
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typedef struct {
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SeqPointDataEntry* entries;
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int entry_count;
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int entry_capacity;
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} SeqPointData;
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void
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mono_seq_point_data_init (SeqPointData *data, int entry_capacity);
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void
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mono_seq_point_data_free (SeqPointData *data);
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gboolean
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mono_seq_point_data_read (SeqPointData *data, char *path);
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gboolean
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mono_seq_point_data_write (SeqPointData *data, char *path);
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void
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mono_seq_point_data_add (SeqPointData *data, guint32 methodToken, guint32 methodIndex, MonoSeqPointInfo* info);
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gboolean
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mono_seq_point_data_get (SeqPointData *data, guint32 methodToken, guint32 methodIndex, MonoSeqPointInfo** info);
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gboolean
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mono_seq_point_data_get_il_offset (char *path, guint32 methodToken, guint32 methodIndex, guint32 native_offset, guint32 *il_offset);
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#endif /* __MONO_SEQ_POINTS_DATA_H__ */
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