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258 lines
9.9 KiB
C++
258 lines
9.9 KiB
C++
/*===-- InstrProfData.inc - instr profiling runtime structures -----------=== *\
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|*
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|* The LLVM Compiler Infrastructure
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|*
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|* This file is distributed under the University of Illinois Open Source
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|* License. See LICENSE.TXT for details.
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|*
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\*===----------------------------------------------------------------------===*/
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/*
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* This is the master file that defines all the data structure, signature,
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* constant literals that are shared across profiling runtime library,
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* compiler (instrumentation), and host tools (reader/writer). The entities
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* defined in this file affect the profile runtime ABI, the raw profile format,
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* or both.
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*
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* The file has two identical copies. The master copy lives in LLVM and
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* the other one sits in compiler-rt/lib/profile directory. To make changes
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* in this file, first modify the master copy and copy it over to compiler-rt.
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* Testing of any change in this file can start only after the two copies are
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* synced up.
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*
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* The first part of the file includes macros that defines types, names, and
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* initializers for the member fields of the core data structures. The field
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* declarations for one structure is enabled by defining the field activation
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* macro associated with that structure. Only one field activation record
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* can be defined at one time and the rest definitions will be filtered out by
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* the preprocessor.
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*
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* Examples of how the template is used to instantiate structure definition:
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* 1. To declare a structure:
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*
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* struct ProfData {
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* #define INSTR_PROF_DATA(Type, LLVMType, Name, Initializer) \
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* Type Name;
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* #include "llvm/ProfileData/InstrProfData.inc"
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* };
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*
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* 2. To construct LLVM type arrays for the struct type:
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*
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* Type *DataTypes[] = {
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* #define INSTR_PROF_DATA(Type, LLVMType, Name, Initializer) \
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* LLVMType,
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* #include "llvm/ProfileData/InstrProfData.inc"
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* };
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*
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* 4. To construct constant array for the initializers:
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* #define INSTR_PROF_DATA(Type, LLVMType, Name, Initializer) \
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* Initializer,
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* Constant *ConstantVals[] = {
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* #include "llvm/ProfileData/InstrProfData.inc"
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* };
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*
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*
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* The second part of the file includes definitions all other entities that
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* are related to runtime ABI and format. When no field activation macro is
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* defined, this file can be included to introduce the definitions.
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*
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\*===----------------------------------------------------------------------===*/
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/* INSTR_PROF_DATA start. */
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/* Definition of member fields of the per-function control structure. */
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#ifndef INSTR_PROF_DATA
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#define INSTR_PROF_DATA(Type, LLVMType, Name, Initializer)
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#else
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#define INSTR_PROF_DATA_DEFINED
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#endif
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INSTR_PROF_DATA(const uint32_t, llvm::Type::getInt32Ty(Ctx), NameSize, \
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ConstantInt::get(llvm::Type::getInt32Ty(Ctx), \
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NamePtr->getType()->getPointerElementType()->getArrayNumElements()))
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INSTR_PROF_DATA(const uint32_t, llvm::Type::getInt32Ty(Ctx), NumCounters, \
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ConstantInt::get(llvm::Type::getInt32Ty(Ctx), NumCounters))
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INSTR_PROF_DATA(const uint64_t, llvm::Type::getInt64Ty(Ctx), FuncHash, \
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ConstantInt::get(llvm::Type::getInt64Ty(Ctx), \
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Inc->getHash()->getZExtValue()))
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INSTR_PROF_DATA(const IntPtrT, llvm::Type::getInt8PtrTy(Ctx), NamePtr, \
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ConstantExpr::getBitCast(NamePtr, llvm::Type::getInt8PtrTy(Ctx)))
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INSTR_PROF_DATA(const IntPtrT, llvm::Type::getInt64PtrTy(Ctx), CounterPtr, \
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ConstantExpr::getBitCast(CounterPtr, \
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llvm::Type::getInt64PtrTy(Ctx)))
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INSTR_PROF_DATA(const IntPtrT, llvm::Type::getInt8PtrTy(Ctx), FunctionPointer, \
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FunctionAddr)
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INSTR_PROF_DATA(IntPtrT, llvm::Type::getInt8PtrTy(Ctx), Values, \
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ConstantPointerNull::get(Int8PtrTy))
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INSTR_PROF_DATA(const uint16_t, Int16ArrayTy, NumValueSites[IPVK_Last+1], \
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ConstantArray::get(Int16ArrayTy, Int16ArrayVals))
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#undef INSTR_PROF_DATA
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/* INSTR_PROF_DATA end. */
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/* INSTR_PROF_RAW_HEADER start */
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/* Definition of member fields of the raw profile header data structure. */
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#ifndef INSTR_PROF_RAW_HEADER
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#define INSTR_PROF_RAW_HEADER(Type, Name, Initializer)
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#else
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#define INSTR_PROF_DATA_DEFINED
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#endif
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INSTR_PROF_RAW_HEADER(uint64_t, Magic, __llvm_profile_get_magic())
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INSTR_PROF_RAW_HEADER(uint64_t, Version, __llvm_profile_get_version())
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INSTR_PROF_RAW_HEADER(uint64_t, DataSize, DataSize)
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INSTR_PROF_RAW_HEADER(uint64_t, CountersSize, CountersSize)
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INSTR_PROF_RAW_HEADER(uint64_t, NamesSize, NamesSize)
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INSTR_PROF_RAW_HEADER(uint64_t, CountersDelta, (uintptr_t)CountersBegin)
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INSTR_PROF_RAW_HEADER(int64_t, NamesDelta, (uintptr_t)NamesBegin)
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INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
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INSTR_PROF_RAW_HEADER(uint64_t, ValueDataSize, ValueDataSize)
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INSTR_PROF_RAW_HEADER(uint64_t, ValueDataDelta, (uintptr_t)ValueDataBegin)
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#undef INSTR_PROF_RAW_HEADER
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/* INSTR_PROF_RAW_HEADER end */
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/* VALUE_PROF_FUNC_PARAM start */
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/* Definition of parameter types of the runtime API used to do value profiling
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* for a given value site.
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*/
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#ifndef VALUE_PROF_FUNC_PARAM
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#define VALUE_PROF_FUNC_PARAM(ArgType, ArgName, ArgLLVMType)
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#define INSTR_PROF_COMMA
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#else
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#define INSTR_PROF_DATA_DEFINED
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#define INSTR_PROF_COMMA ,
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#endif
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VALUE_PROF_FUNC_PARAM(uint64_t, TargetValue, Type::getInt64Ty(Ctx)) \
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INSTR_PROF_COMMA
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VALUE_PROF_FUNC_PARAM(void *, Data, Type::getInt8PtrTy(Ctx)) INSTR_PROF_COMMA
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VALUE_PROF_FUNC_PARAM(uint32_t, CounterIndex, Type::getInt32Ty(Ctx))
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#undef VALUE_PROF_FUNC_PARAM
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#undef INSTR_PROF_COMMA
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/* VALUE_PROF_FUNC_PARAM end */
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/* VALUE_PROF_KIND start */
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#ifndef VALUE_PROF_KIND
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#define VALUE_PROF_KIND(Enumerator, Value)
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#else
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#define INSTR_PROF_DATA_DEFINED
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#endif
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VALUE_PROF_KIND(IPVK_IndirectCallTarget, 0)
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/* These two kinds must be the last to be
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* declared. This is to make sure the string
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* array created with the template can be
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* indexed with the kind value.
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*/
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VALUE_PROF_KIND(IPVK_First, IPVK_IndirectCallTarget)
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VALUE_PROF_KIND(IPVK_Last, IPVK_IndirectCallTarget)
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#undef VALUE_PROF_KIND
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/* VALUE_PROF_KIND end */
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/* COVMAP_FUNC_RECORD start */
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/* Definition of member fields of the function record structure in coverage
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* map.
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*/
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#ifndef COVMAP_FUNC_RECORD
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#define COVMAP_FUNC_RECORD(Type, LLVMType, Name, Initializer)
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#else
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#define INSTR_PROF_DATA_DEFINED
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#endif
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COVMAP_FUNC_RECORD(const IntPtrT, llvm::Type::getInt8PtrTy(Ctx), \
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NamePtr, llvm::ConstantExpr::getBitCast(NamePtr, \
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llvm::Type::getInt8PtrTy(Ctx)))
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COVMAP_FUNC_RECORD(const uint32_t, llvm::Type::getInt32Ty(Ctx), NameSize, \
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llvm::ConstantInt::get(llvm::Type::getInt32Ty(Ctx),\
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NameValue.size()))
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COVMAP_FUNC_RECORD(const uint32_t, llvm::Type::getInt32Ty(Ctx), DataSize, \
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llvm::ConstantInt::get(llvm::Type::getInt32Ty(Ctx),\
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CoverageMapping.size()))
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COVMAP_FUNC_RECORD(const uint64_t, llvm::Type::getInt64Ty(Ctx), FuncHash, \
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llvm::ConstantInt::get(llvm::Type::getInt64Ty(Ctx), FuncHash))
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#undef COVMAP_FUNC_RECORD
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/* COVMAP_FUNC_RECORD end. */
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/*============================================================================*/
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#ifndef INSTR_PROF_DATA_DEFINED
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#ifndef INSTR_PROF_DATA_INC_
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#define INSTR_PROF_DATA_INC_
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/* Helper macros. */
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#define INSTR_PROF_SIMPLE_QUOTE(x) #x
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#define INSTR_PROF_QUOTE(x) INSTR_PROF_SIMPLE_QUOTE(x)
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#define INSTR_PROF_SIMPLE_CONCAT(x,y) x ## y
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#define INSTR_PROF_CONCAT(x,y) INSTR_PROF_SIMPLE_CONCAT(x,y)
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/* Magic number to detect file format and endianness.
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* Use 255 at one end, since no UTF-8 file can use that character. Avoid 0,
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* so that utilities, like strings, don't grab it as a string. 129 is also
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* invalid UTF-8, and high enough to be interesting.
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* Use "lprofr" in the centre to stand for "LLVM Profile Raw", or "lprofR"
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* for 32-bit platforms.
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*/
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#define INSTR_PROF_RAW_MAGIC_64 (uint64_t)255 << 56 | (uint64_t)'l' << 48 | \
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(uint64_t)'p' << 40 | (uint64_t)'r' << 32 | (uint64_t)'o' << 24 | \
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(uint64_t)'f' << 16 | (uint64_t)'r' << 8 | (uint64_t)129
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#define INSTR_PROF_RAW_MAGIC_32 (uint64_t)255 << 56 | (uint64_t)'l' << 48 | \
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(uint64_t)'p' << 40 | (uint64_t)'r' << 32 | (uint64_t)'o' << 24 | \
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(uint64_t)'f' << 16 | (uint64_t)'R' << 8 | (uint64_t)129
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/* Raw profile format version. */
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#define INSTR_PROF_RAW_VERSION 2
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/* Runtime section names and name strings. */
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#define INSTR_PROF_DATA_SECT_NAME __llvm_prf_data
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#define INSTR_PROF_NAME_SECT_NAME __llvm_prf_names
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#define INSTR_PROF_CNTS_SECT_NAME __llvm_prf_cnts
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#define INSTR_PROF_DATA_SECT_NAME_STR \
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INSTR_PROF_QUOTE(INSTR_PROF_DATA_SECT_NAME)
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#define INSTR_PROF_NAME_SECT_NAME_STR \
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INSTR_PROF_QUOTE(INSTR_PROF_NAME_SECT_NAME)
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#define INSTR_PROF_CNTS_SECT_NAME_STR \
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INSTR_PROF_QUOTE(INSTR_PROF_CNTS_SECT_NAME)
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/* Macros to define start/stop section symbol for a given
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* section on Linux. For instance
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* INSTR_PROF_SECT_START(INSTR_PROF_DATA_SECT_NAME) will
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* expand to __start___llvm_prof_data
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*/
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#define INSTR_PROF_SECT_START(Sect) \
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INSTR_PROF_CONCAT(__start_,Sect)
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#define INSTR_PROF_SECT_STOP(Sect) \
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INSTR_PROF_CONCAT(__stop_,Sect)
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/* Value Profiling API linkage name. */
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#define INSTR_PROF_VALUE_PROF_FUNC __llvm_profile_instrument_target
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#define INSTR_PROF_VALUE_PROF_FUNC_STR \
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INSTR_PROF_QUOTE(INSTR_PROF_VALUE_PROF_FUNC)
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/* InstrProfile per-function control data alignment. */
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#define INSTR_PROF_DATA_ALIGNMENT 8
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/* The data structure that represents a tracked value by the
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* value profiler.
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*/
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typedef struct InstrProfValueData {
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/* Profiled value. */
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uint64_t Value;
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/* Number of times the value appears in the training run. */
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uint64_t Count;
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} InstrProfValueData;
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/* This is an internal data structure used by value profiler. It
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* is defined here to allow serialization code sharing by LLVM
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* to be used in unit test.
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*/
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typedef struct ValueProfNode {
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InstrProfValueData VData;
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struct ValueProfNode *Next;
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} ValueProfNode;
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#endif /* INSTR_PROF_DATA_INC_ */
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#else
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#undef INSTR_PROF_DATA_DEFINED
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#endif
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