ValueProfRecord *getFirstValueProfRecord();
} ValueProfData;
+/* The closure is designed to abstact away two types of value profile data:
+ * - InstrProfRecord which is the primary data structure used to
+ * represent profile data in host tools (reader, writer, and profile-use)
+ * - value profile runtime data structure suitable to be used by C
+ * runtime library.
+ *
+ * Both sources of data need to serialize to disk/memory-buffer in common
+ * format: ValueProfData. The abstraction allows compiler-rt's raw profiler
+ * writer to share * the same code with indexed profile writer.
+ *
+ * For documentation of the member methods below, refer to corresponding methods
+ * in class InstrProfRecord.
+ */
typedef struct ValueProfRecordClosure {
void *Record;
uint32_t (*GetNumValueKinds)(void *Record);
uint32_t (*GetNumValueSites)(void *Record, uint32_t VKind);
uint32_t (*GetNumValueData)(void *Record, uint32_t VKind);
uint32_t (*GetNumValueDataForSite)(void *R, uint32_t VK, uint32_t S);
- uint64_t (*RemapValueData)(uint64_t Value);
- void (*GetValueForSite)(InstrProfValueData Dst[], void *R, uint32_t K,
- uint32_t S);
+
+ /* After extracting the value profile data from the value profile record,
+ * this method is used to map the in-memory value to on-disk value. If
+ * the method is null, value will be written out untranslated.
+ */
+ uint64_t (*RemapValueData)(uint32_t, uint64_t Value);
+ void (*GetValueForSite)(InstrProfValueData *Dst, void *R, uint32_t K,
+ uint32_t S, uint64_t (*Mapper)(uint32_t, uint64_t));
+
ValueProfData *(*AllocateValueProfData)(size_t TotalSizeInBytes);
} ValueProfRecordClosure;