* or both.
*
* The file has two identical copies. The master copy lives in LLVM and
- * the other one sits in compiler-rt/lib/profile directory. Changes can only
- * be made directly made in the master copy. Whenever the master copy changes,
- * the compiler-rt copy needs to be kept in sync with the master.
+ * the other one sits in compiler-rt/lib/profile directory. To make changes
+ * in this file, first modify the master copy and copy it over to compiler-rt.
+ * Testing of any change in this file can start only after the two copies are
+ * synced up.
*
* The first part of the file includes macros that defines types, names, and
* initializers for the member fields of the core data structures. The field
#else
#define INSTR_PROF_DATA_DEFINED
#endif
-INSTR_PROF_RAW_HEADER(const uint64_t, Magic, __llvm_profile_get_magic())
-INSTR_PROF_RAW_HEADER(const uint64_t, Version, __llvm_profile_get_version())
-INSTR_PROF_RAW_HEADER(const uint64_t, DataSize, DataSize)
-INSTR_PROF_RAW_HEADER(const uint64_t, CountersSize, CountersSize)
-INSTR_PROF_RAW_HEADER(const uint64_t, NamesSize, NameSize)
-INSTR_PROF_RAW_HEADER(const uint64_t, CountersDelta, (uintptr_t)CountersBegin)
-INSTR_PROF_RAW_HEADER(const uint64_t, NamesDelta, (uintptr_t)NamesBegin)
-INSTR_PROF_RAW_HEADER(const uint64_t, ValueKindLast, IPVK_Last)
-INSTR_PROF_RAW_HEADER(const uint64_t, ValueDataSize, ValueDataSize)
-INSTR_PROF_RAW_HEADER(const uint64_t, ValueDataDelta, (uintptr_t)ValueDataBegin)
+INSTR_PROF_RAW_HEADER(uint64_t, Magic, __llvm_profile_get_magic())
+INSTR_PROF_RAW_HEADER(uint64_t, Version, __llvm_profile_get_version())
+INSTR_PROF_RAW_HEADER(uint64_t, DataSize, DataSize)
+INSTR_PROF_RAW_HEADER(uint64_t, CountersSize, CountersSize)
+INSTR_PROF_RAW_HEADER(uint64_t, NamesSize, NamesSize)
+INSTR_PROF_RAW_HEADER(uint64_t, CountersDelta, (uintptr_t)CountersBegin)
+INSTR_PROF_RAW_HEADER(uint64_t, NamesDelta, (uintptr_t)NamesBegin)
+INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
+INSTR_PROF_RAW_HEADER(uint64_t, ValueDataSize, ValueDataSize)
+INSTR_PROF_RAW_HEADER(uint64_t, ValueDataDelta, (uintptr_t)ValueDataBegin)
#undef INSTR_PROF_RAW_HEADER
/* INSTR_PROF_RAW_HEADER end */
#ifndef INSTR_PROF_DATA_INC_
#define INSTR_PROF_DATA_INC_
+/* Helper macros. */
+#define INSTR_PROF_SIMPLE_QUOTE(x) #x
+#define INSTR_PROF_QUOTE(x) INSTR_PROF_SIMPLE_QUOTE(x)
+#define INSTR_PROF_SIMPLE_CONCAT(x,y) x ## y
+#define INSTR_PROF_CONCAT(x,y) INSTR_PROF_SIMPLE_CONCAT(x,y)
+
/* Magic number to detect file format and endianness.
- * Use 255 at one end, since no UTF-8 file can use that character. Avoid 0,
- * so that utilities, like strings, don't grab it as a string. 129 is also
+ * Use 255 at one end, since no UTF-8 file can use that character. Avoid 0,
+ * so that utilities, like strings, don't grab it as a string. 129 is also
* invalid UTF-8, and high enough to be interesting.
- * Use "lprofr" in the centre to stand for "LLVM Profile Raw", or "lprofR"
+ * Use "lprofr" in the centre to stand for "LLVM Profile Raw", or "lprofR"
* for 32-bit platforms.
- * The magic and version need to be kept in sync with
- * projects/compiler-rt/lib/profile/InstrProfiling.c
*/
-#define INSTR_PROF_RAW_MAGIC_64 uint64_t(255) << 56 | uint64_t('l') << 48 | \
- uint64_t('p') << 40 | uint64_t('r') << 32 | uint64_t('o') << 24 | \
- uint64_t('f') << 16 | uint64_t('r') << 8 | uint64_t(129)
-#define INSTR_PROF_RAW_MAGIC_32 uint64_t(255) << 56 | uint64_t('l') << 48 | \
- uint64_t('p') << 40 | uint64_t('r') << 32 | uint64_t('o') << 24 | \
- uint64_t('f') << 16 | uint64_t('R') << 8 | uint64_t(129)
+#define INSTR_PROF_RAW_MAGIC_64 (uint64_t)255 << 56 | (uint64_t)'l' << 48 | \
+ (uint64_t)'p' << 40 | (uint64_t)'r' << 32 | (uint64_t)'o' << 24 | \
+ (uint64_t)'f' << 16 | (uint64_t)'r' << 8 | (uint64_t)129
+#define INSTR_PROF_RAW_MAGIC_32 (uint64_t)255 << 56 | (uint64_t)'l' << 48 | \
+ (uint64_t)'p' << 40 | (uint64_t)'r' << 32 | (uint64_t)'o' << 24 | \
+ (uint64_t)'f' << 16 | (uint64_t)'R' << 8 | (uint64_t)129
/* Raw profile format version. */
#define INSTR_PROF_RAW_VERSION 2
+/* Runtime section names and name strings. */
+#define INSTR_PROF_DATA_SECT_NAME __llvm_prf_data
+#define INSTR_PROF_NAME_SECT_NAME __llvm_prf_names
+#define INSTR_PROF_CNTS_SECT_NAME __llvm_prf_cnts
+
+#define INSTR_PROF_DATA_SECT_NAME_STR \
+ INSTR_PROF_QUOTE(INSTR_PROF_DATA_SECT_NAME)
+#define INSTR_PROF_NAME_SECT_NAME_STR \
+ INSTR_PROF_QUOTE(INSTR_PROF_NAME_SECT_NAME)
+#define INSTR_PROF_CNTS_SECT_NAME_STR \
+ INSTR_PROF_QUOTE(INSTR_PROF_CNTS_SECT_NAME)
+
+/* Macros to define start/stop section symbol for a given
+ * section on Linux. For instance
+ * INSTR_PROF_SECT_START(INSTR_PROF_DATA_SECT_NAME) will
+ * expand to __start___llvm_prof_data
+ */
+#define INSTR_PROF_SECT_START(Sect) \
+ INSTR_PROF_CONCAT(__start_,Sect)
+#define INSTR_PROF_SECT_STOP(Sect) \
+ INSTR_PROF_CONCAT(__stop_,Sect)
+
+/* Value Profiling API linkage name. */
+#define INSTR_PROF_VALUE_PROF_FUNC __llvm_profile_instrument_target
+#define INSTR_PROF_VALUE_PROF_FUNC_STR \
+ INSTR_PROF_QUOTE(INSTR_PROF_VALUE_PROF_FUNC)
+
+/* InstrProfile per-function control data alignment. */
+#define INSTR_PROF_DATA_ALIGNMENT 8
+
+/* The data structure that represents a tracked value by the
+ * value profiler.
+ */
+typedef struct InstrProfValueData {
+ /* Profiled value. */
+ uint64_t Value;
+ /* Number of times the value appears in the training run. */
+ uint64_t Count;
+} InstrProfValueData;
+
+/* This is an internal data structure used by value profiler. It
+ * is defined here to allow serialization code sharing by LLVM
+ * to be used in unit test.
+ */
+typedef struct ValueProfNode {
+ InstrProfValueData VData;
+ struct ValueProfNode *Next;
+} ValueProfNode;
+
#endif /* INSTR_PROF_DATA_INC_ */
#else